Integrated rural toilet fecal deep separation treatment equipment

Abstract

The present application belongs to the technical field of excrement treatment, and particularly relates to an integrated rural toilet excrement deep separation treatment equipment, aiming at the problems of poor operation stability, and unsatisfactory removal rate of total phosphorus and ammonia nitrogen pollutants of the existing equipment, the present application proposes the following scheme, including a solid-liquid separation module, an anaerobic treatment tank, an aerobic treatment tank, and a liquid phase flocculation unit, the present application separates the solid phase and the liquid phase of the excrement through the solid-liquid separation module, after the liquid phase is flocculated by the liquid phase flocculation unit, the liquid phase and the solid phase are put into the corresponding fermentation zones of the anaerobic treatment tank for anaerobic fermentation treatment, the liquid phase is transported to the aerobic treatment tank for further aerobic treatment, realizing integrated treatment of solid-liquid separation, anaerobic biogas production and aerobic denitrification of the rural toilet excrement, and the solid phase and the liquid phase after the integrated treatment can be further utilized, which is extremely suitable for use in rural areas.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of excrement treatment integrated equipment, specifically to a kind of integrated rural toilet excrement deep separation treatment equipment, belong to excrement treatment technical field. BACKGROUND

[0002] Excrement is the combination of excrement and sludge, if not effectively treated, it is easy to pollute the environment and spread diseases, endanger the health of human and livestock, traditional excrement treatment equipment has high popularization rate, but only rely on natural sedimentation and anaerobic fermentation, there is the problem of incomplete excrement treatment and low treatment efficiency.

[0003] In the prior art, as disclosed in a kind of drum type rural toilet excrement integrated treatment equipment with announcement No.CN112456749A, it includes drum reactor system and liquid purification system and / or liquid harmless storage system connected therewith, the drum reactor system includes feed equipment and mixing fermentation equipment connected in sequence, the mixing fermentation equipment includes drum and rotating equipment, the drum is installed on rotating equipment, the drum is provided with liquid collection cavity, the liquid collection cavity is connected with liquid purification system and / or liquid harmless storage system through drain valve or liquid guide pipe, although the existing equipment can realize solid-liquid separation treatment of excrement, it adopts separate recovery of liquid excrement or solid excrement, then decomposes and degrades, but it cannot ensure that excrement is more thoroughly separated into solid and liquid, and the energy consumption is also large during separation, and as disclosed in a kind of integrated biochemical treatment rural toilet equipment with announcement No.CN117164131A, it mainly consists of market common rural toilet three-grid septic tank, green energy power generation supporting equipment, integrated biochemical equipment and reuse discharge equipment.The integrated biochemical equipment and reuse discharge equipment are both placed in the third grid tank of the three-grid septic tank, the former uses active sludge hung by curtain type micro-nano fiber filler and aeration system composed of aeration pump and nano aeration pipe to treat sewage in aerobic, anaerobic and facultative manner;The equipment realizes the integration of solid-liquid separation and biochemical treatment of excrement, but still has significant defects: the single extrusion mode is used for solid-liquid separation, which cannot adapt to excrement with different water contents, is easy to be blocked by hard impurities or fiber winding, and the energy consumption of high-pressure extrusion is serious;The flocculation unit adopts traditional pipeline mixing or mechanical stirring, and the combination of point source type addition and overall stirring is easy to produce mixing dead zone and uneven distribution of reagent, leading to that part of pollutants cannot fully contact with reagent to form treatment blind area, and the overall phosphorus removal efficiency is low.At the same time, the traditional folded plate reactor only promotes flocculation through hydraulic shear, the folded plate is a passive mixing element, the function is single, cannot actively control the flocculation process, the reagent utilization rate is low, and the existing technology adopts single concentration reagent addition mode, cannot follow the dynamic change rule of pollutant form from colloidal destabilization to flocculation growth to mature flocculation, cannot realize precise on-demand distribution of reagent amount, in order to ensure the final effluent quality, it is necessary to add excessive reagent, not only causes a large amount of waste of chemical reagent, increases operation cost, but also easily leads to high salt content of effluent or secondary pollution risk, it is difficult to meet the treatment requirements of high efficiency and low carbon;Further lead to poor running stability of existing equipment, unsatisfactory removal rate of pollutants (especially total phosphorus and ammonia nitrogen indicators), and high operation and maintenance cost, it is difficult to popularize in rural areas on a large scale. SUMMARY

[0004] The present application provides a kind of integrated rural toilet excrement deep separation treatment equipment to solve the problems of poor running stability of existing equipment, unsatisfactory removal rate of total phosphorus and ammonia nitrogen pollutants.

[0005] The present application realizes the above-mentioned purpose by the following technical scheme: an integrated rural toilet excrement deep separation treatment equipment, comprising a solid-liquid separation module and an energy management system, a liquid phase separated by the solid-liquid separation module is transported to a liquid phase flocculation unit, an anaerobic treatment tank and two groups of aerobic treatment tanks which are sequentially communicated, and a solid phase separated by the solid-liquid separation module is transported to the anaerobic treatment tank.

[0006] The solid-liquid separation module comprises a separation outer cylinder and a filter screen inner cylinder which are coaxially arranged, a variable-pitch propeller blade group is arranged in the filter screen inner cylinder, the variable-pitch propeller blade group comprises wide-pitch helical blades, tapered-pitch helical blades, close-pitch helical blades and a tapered shaft;

[0007] The liquid phase flocculation unit is provided with a plurality of reaction slots which are distributed upwards and downwards and sequentially communicated, each reaction slot is provided with a plurality of flow guide partitions, both sides of the flow guide partitions are connected with microporous exudation membranes, the flow guide partitions release medicaments to the reaction slots through the microporous exudation membranes, and the medicament concentrations in the plurality of reaction slots decrease in turn along the flowing direction of the excrement liquid phase;

[0008] The anaerobic treatment tank is provided with a solid phase fermentation zone and a liquid phase fermentation zone, and a liquid phase temperature-guiding flow unit is arranged between the solid phase fermentation zone and the liquid phase fermentation zone;

[0009] The energy management system comprises a photovoltaic panel, an energy storage battery, a biogas power unit and a control box, and the biogas generated by the anaerobic treatment tank is transported to the biogas power unit.

[0010] As a further scheme of the present application: the separation outer cylinder is provided with a feeding port and a solid phase outlet, the feeding port is vertically communicated above the front end cylinder of the filter screen inner cylinder along the flowing direction of the excrement, the solid phase outlet is vertically communicated below the tail end cylinder of the separation outer cylinder along the flowing direction of the excrement, the cylinder of the separation outer cylinder is also provided with a filtrate groove, the filtrate groove is located directly below the filter screen inner cylinder, a plurality of fixing rings are connected between the outer wall of the filter screen inner cylinder and the inner wall of the separation outer cylinder, a driving shaft is rotationally connected in the filter screen inner cylinder, a separation driving motor is fixedly connected to one end of the separation outer cylinder close to the feeding port, and the rotating shaft of the separation driving motor is fixedly connected with the driving shaft in the same axis.

[0011] As a further scheme of the present application: the other end of the drive shaft is fixedly connected with the tapered shaft in the same axis, the wide-pitch helical blade and the tapered-pitch helical blade are fixedly connected on the shaft body of the drive shaft, and the connection position of the wide-pitch helical blade forms a feeding loose section in the filter inner cylinder, the connection position of the tapered-pitch helical blade forms a transition section in the filter inner cylinder, the close-pitch helical blade is fixedly connected on the shaft body of the tapered shaft, and the connection position of the close-pitch helical blade forms a high-pressure extrusion section in the filter inner cylinder, and the wide-pitch helical blade, the tapered-pitch helical blade and the close-pitch helical blade are connected in position; the discharge end of the filter inner cylinder is provided with a conical surface flow resistance block and a material baffle which are fixedly connected together, the conical surface flow resistance block is movably inserted into the end cylinder port of the filter inner cylinder, and the material baffle is tightly attached to the end cylinder edge of the filter inner cylinder, one end of the separation outer cylinder close to the solid phase outlet is fixedly connected with an electric actuator, and the movable front end of the electric actuator is fixedly connected to the side plate body of the material baffle away from the conical surface flow resistance block.

[0012] As a further scheme of the present application: the bottom of the separation outer cylinder is connected with a collecting hopper, and the collecting hopper is in communication with the filtrate tank, the bottom surface of the collecting hopper is inclined, the inclined lower end bottom surface of the collecting hopper is communicated with a liquid phase conveying pipe, the other end of the liquid phase conveying pipe is in communication with the uppermost reaction partition tank of the liquid phase flocculation unit, and a pipeline filter and a flow sensor are installed on the pipe body of the liquid phase conveying pipe.

[0013] As a further scheme of the present application: the lower half of the flow guide partition plate at the liquid inlet end of each reaction partition tank is connected with an inlet baffle, the upper half of the flow guide partition plate at the liquid outlet end of each reaction partition tank is connected with an outlet baffle, a plurality of groups of flow guide partition plates are arranged in each reaction partition tank along the direction of the liquid phase flow of the fecal sludge, the two adjacent groups of flow guide partition plates are arranged in a staggered manner, a flow guide connecting pipe is communicated between the upper and lower reaction partition tanks, a flow guide pump is installed on the pipe body of the flow guide connecting pipe, a flocculation liquid discharge pipe is communicated with one side of the liquid outlet end of the lowermost reaction partition tank, an output pump is installed on the pipe body of the flocculation liquid discharge pipe, and the other end of the flocculation liquid discharge pipe is in communication with the bottom end of the tank body of the anaerobic treatment tank; a plurality of dosing branch pipes are embedded at the tank bottom of each reaction partition tank, a medicament cavity is formed in the flow guide partition plate, each dosing branch pipe is in communication with the medicament cavity of the corresponding flow guide partition plate, and the dosing branch pipes arranged in each reaction partition tank are respectively in communication with an externally provided PAC medicament storage tank, and the dosing amount ratio of the dosing branch pipes arranged in each reaction partition tank is 6:3:1.

[0014] As a further scheme of the present application: a separation sleeve is coaxially arranged in the anaerobic treatment tank, a temperature control interlayer cavity is formed in the pipe body of the separation sleeve, the inner cavity of the separation sleeve is a solid phase fermentation zone, the gap cavity between the separation sleeve and the anaerobic treatment tank is a liquid phase fermentation zone, two biogas pipes are connected to the upper end of the anaerobic treatment tank, the two biogas pipes are respectively in communication with the solid phase fermentation zone and the liquid phase fermentation zone, a biogas conveying main pipe is communicated with the biogas input end of the biogas power unit, and the other ends of the two biogas pipes are respectively in communication with the biogas conveying main pipe.

[0015] As a further scheme of the present application: the bottom end of the temperature control interlayer cavity opened by the separation sleeve is communicated with a temperature adjusting medium inlet pipe, the upper end of the temperature control interlayer cavity opened by the separation sleeve is communicated with a temperature adjusting medium outlet pipe, the outer side end of the temperature adjusting medium inlet pipe and the temperature adjusting medium outlet pipe extends to the outside of the anaerobic treatment tank, and the outer side end of the temperature adjusting medium inlet pipe and the temperature adjusting medium outlet pipe is communicated with an external circulating temperature adjusting water tank; the tank body bottom end of the anaerobic treatment tank located in the solid phase fermentation zone is communicated with a discharge cone, the discharge cone is in the shape of a conical funnel, and the bottom end of the discharge cone is communicated with a solid discharge pipe, the pipe body of the solid discharge pipe is installed with a solid discharge electric control valve, and the bottom end of the solid discharge pipe is communicated with a spiral feeder; the sidewall bottom end of the anaerobic treatment tank is communicated with an anaerobic liquid outlet pipe, and the pipe body of the anaerobic liquid outlet pipe is connected with a liquid discharge lifting pump, and the other end of the anaerobic liquid outlet pipe is communicated with the upper end tank body of the aerobic treatment tank.

[0016] As a further scheme of the present application: the liquid phase temperature guiding flow unit includes C-shaped heat exchange pipes, connecting short pipes, liquid circulating pumps and circulating return pipes, the vertical pipe body of the C-shaped heat exchange pipe is located in the solid phase fermentation zone, the horizontal pipe body of the C-shaped heat exchange pipe penetrates the pipe wall of the separation sleeve, and the horizontal pipe body pipe opening part of the C-shaped heat exchange pipe is located in the liquid phase fermentation zone, the horizontal pipe body pipe openings of adjacent two C-shaped heat exchange pipes are communicated with connecting short pipes in an up-down staggered manner, and the lower horizontal pipe body pipe openings of the two C-shaped heat exchange pipes are respectively connected with liquid circulating pumps and circulating return pipes, and the other end of the circulating return pipe is located in the liquid phase of the manure in the liquid phase fermentation zone.

[0017] As a further scheme of the present application: the upper end opening of the aerobic treatment tank is movably connected with an inspection cover, the upper plate surface of the inspection cover is connected with a handle in the middle part, the tank wall bottom end of the aerobic treatment tank is communicated with an aerobic purification liquid outlet pipe, the pipe body of the aerobic purification liquid outlet pipe is installed with a water discharge electromagnetic valve, a throat pipe type jet device and a microporous aerator head are arranged in the aerobic treatment tank, the delivery end of the throat pipe type jet device is communicated with the microporous aerator head, the throat part of the throat pipe type jet device is communicated with a gas distribution ring, the inner wall of the aerobic treatment tank is connected with a plurality of annularly and uniformly distributed biological filler baskets, and the biological filler baskets are filled with suspended biological carriers.

[0018] As a further scheme of the present application: the microporous aeration head is fixedly connected in an embedded manner at the bottom end of the aerobic treatment tank, the throat pipe type fluidic device is uniformly distributed in a ring shape and is provided with a plurality of throat pipe type fluidic devices, and the throat pipe type fluidic device is located above the microporous aeration head; a porous floating plate is movably arranged in the aerobic treatment tank, the porous floating plate is supported above the biological filler basket in an initial state, the lower plate surface of the porous floating plate is connected with a plurality of filter screen connecting heads corresponding to the throat pipe type fluidic devices, and a flexible connecting pipe is communicated between the filter screen connecting head and the upper end of the throat pipe type fluidic device; a gas guide pipe is communicated between the throat of each throat pipe type fluidic device and the gas distribution ring; a support frame in a cross shape is connected between the gas distribution ring and the inner wall of the aerobic treatment tank; the gas distribution ring is communicated with a gas supply pipe, the other end of the gas supply pipe extends to the outside of the aerobic treatment tank, and the other end of the gas supply pipe is communicated with an external oxygen tank; a check valve is installed on the pipe body of the gas guide pipe; a liquid suction bottom pipe is communicated with the lower end of each throat pipe type fluidic device, the pipe body of the liquid suction bottom pipe penetrates the tank bottom of the aerobic treatment tank, a liquid collecting tank is arranged below the tank bottom of the aerobic treatment tank, and an aeration liquid conveying pipe is communicated between the liquid collecting tank and the microporous aeration head; a conveying power pump is installed on the pipe body of the aeration liquid conveying pipe; and the bottom end of the liquid suction bottom pipe is communicated with the side wall of the liquid collecting tank.

[0019] The present application has the following advantages:

[0020] 1、The solid-liquid separation module is arranged, the liquid phase separated by the solid-liquid separation module is conveyed to the liquid phase flocculation unit, the anaerobic treatment tank and the two groups of aerobic treatment tanks in sequence, the solid phase separated by the solid-liquid separation module is conveyed to the anaerobic treatment tank, when the rural toilet fecal sewage is treated, the solid phase and the liquid phase of the fecal sewage are separated through the solid-liquid separation module first, then the liquid phase is flocculated and treated through the liquid phase flocculation unit, and then the liquid phase and the solid phase are put into the anaerobic treatment tank for anaerobic fermentation treatment respectively, then the liquid phase is conveyed to the two groups of aerobic treatment tanks in sequence for further aerobic treatment, and the solid phase and the liquid phase of the fecal sewage are treated separately, on the one hand, the treatment mode of solid-liquid separation can avoid the blockage in the subsequent treatment process, and on the other hand, the liquid phase can be further treated for denitrification, so that the treatment is more thorough, the liquid phase is flocculated and dephosphorized through the liquid phase flocculation unit before the liquid phase of the fecal sewage is treated for anaerobic fermentation, the pollutant removal rate is improved, the integrated treatment of solid-liquid separation, anaerobic biogas production and aerobic denitrification of the rural toilet fecal sewage is realized, and the solid phase and the liquid phase after the integrated treatment can be further utilized respectively, and the present application is extremely suitable for use in rural areas.

[0021] 2. The solid-liquid separation module comprises a coaxially arranged separation outer cylinder and filter screen inner cylinder, a variable pitch propeller group is arranged in the filter screen inner cylinder, the variable pitch propeller group comprises wide-pitch spiral blades, tapered pitch spiral blades, close-pitch spiral blades and a tapered shaft, the variable pitch propeller group realizes progressive extrusion and separation of the fecal sludge, the wide-pitch spiral blades are used to realize rapid receiving of the fecal sludge, the fecal sludge is pushed forward with low extrusion force, so that the inlet is prevented from being blocked, a small amount of free water is caused to seep out under the action of seepage, then the tapered pitch spiral blades are used to apply progressive pressure to the fecal sludge, so that fine water is gradually extruded, and the fiber impurities in the fecal sludge are combed, finally the close-pitch spiral blades are used to continuously apply mechanical extrusion force to the maximum, so that combined water in the fecal sludge is extruded, and the separation and extrusion of water with different degrees of combination are completed step by step, so that the solid-liquid separation is ensured to be complete, and the invalid energy consumption is reduced;

[0022] 3. The liquid phase flocculation unit is provided with a plurality of reaction separation tanks which are distributed upwards and downwards and sequentially communicated, a plurality of flow guide baffles are arranged in each reaction separation tank, and the two side plates of the flow guide baffles are connected with microporous seepage membranes; the flow guide baffles release medicaments into the reaction separation tank through the microporous seepage membranes; the medicament concentration in the plurality of reaction separation tanks decreases sequentially along the direction of the fecal sludge liquid phase flow; the medicament required for flocculation can seep through the flow guide baffles, so that the flow guide baffles are changed from passive mixing elements to active medicament release carriers, the inherent cognition that the existing technology is that the folded plates are only used for hydraulic control is broken, medicament can be directly provided at the boundary layer of the flocculation, the local reaction concentration gradient is improved, and the fecal sludge liquid phase can be sequentially delivered into the reaction separation tank for batch flocculation treatment, so that the gradient release and uniform mixing of the medicament are realized, the phosphorus removal rate is greatly improved, the medicament consumption is reduced, and the problems of uneven mixing and insufficient reaction in the traditional flocculation process are solved.

[0023] 4. The anaerobic treatment tank is provided with a solid phase fermentation zone and a liquid phase fermentation zone, and a liquid phase temperature guide flow unit is arranged between the solid phase fermentation zone and the liquid phase fermentation zone; the solid phase fermentation zone and the liquid phase fermentation zone are arranged in the anaerobic treatment tank to realize simultaneous development and fermentation of the liquid phase and the solid phase of the fecal sludge in one anaerobic treatment tank, realize different fermentation action mechanisms of the solid phase fermentation for producing biogas and the liquid phase fermentation for realizing organic matter degradation, enable the solid phase high-temperature fermentation sterilization and the liquid phase medium-temperature fermentation for producing biogas to be efficiently and concurrently in the same tank body, improve the biogas production and fermentation efficiency, and in the fermentation process, the liquid phase temperature guide flow unit can ensure uniform temperature of the liquid phase zone while promoting heat exchange between the two zones, so that the energy consumption is reduced.

[0024] 5、The energy management system is further provided with the energy management system, including photovoltaic board, energy storage battery, marsh gas power unit and control box, the marsh gas generated by anaerobic treatment jar fermentation is transported to marsh gas power unit, the marsh gas generated by anaerobic treatment jar can be generated by marsh gas power unit, when using the equipment, it can also be generated by photovoltaic board, and the electricity is stored in energy storage battery to meet the electricity demand of the electrical components of the equipment, and the control box can realize the energy self-sufficiency and intelligent control of the equipment, especially suitable for the rural area operation and use of weak electric power infrastructure. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the whole structure schematic diagram of the present application;

[0026] Figure 2 It is the sectional structure schematic diagram of the solid-liquid separation module of the present application;

[0027] Figure 3 It is the sectional structure schematic diagram of the separation outer cylinder and filter screen inner cylinder of the present application;

[0028] Figure 4 It is the sectional structure schematic diagram of the filter screen inner cylinder discharge end of the present application;

[0029] Figure 5 It is the connection structure schematic diagram of the liquid phase flocculation unit, marsh gas power unit, energy storage battery and photovoltaic board of the present application;

[0030] Figure 6 It is the sectional structure schematic diagram of the liquid phase flocculation unit of the present application;

[0031] Figure 7 It is the structure schematic diagram in the reaction groove of the present application;

[0032] Figure 8 It is the structure schematic diagram of the present application Figure 7 A is the structure schematic diagram;

[0033] Figure 9 It is the sectional structure schematic diagram of the flow guide baffle of the present application;

[0034] Figure 10 It is the three-dimensional structure schematic diagram of the anaerobic treatment jar of the present application;

[0035] Figure 11 It is the sectional structure schematic diagram of the anaerobic treatment jar of the present application;

[0036] Figure 12 It is the connection structure schematic diagram of the C type heat exchange pipe and connecting short pipe of the present application;

[0037] Figure 13 It is the sectional structure schematic diagram of the separation sleeve pipe of the present application;

[0038] Figure 14It is a three-dimensional structure schematic diagram of the aerobic treatment tank of the present application;

[0039] Figure 15 It is a sectional structure schematic diagram of the aerobic treatment tank of the present application;

[0040] Figure 16 It is a connection structure schematic diagram of the gas distribution ring and the throat pipe type fluidic device of the present application;

[0041] Figure 17 It is a sectional structure schematic diagram of the connection part of the throat pipe type fluidic device and the gas distribution ring of the present application;

[0042] Figure 18 It is a connection structure schematic diagram of the biological filler basket and the aerobic treatment tank of the present application;

[0043] Figure 19 It is a sectional structure schematic diagram of the porous floating plate of the present application.

[0044] In the figure: 1, solid-liquid separation module; 11, separation outer cylinder; 12, driving shaft; 13, feeding port; 14, filter screen inner cylinder; 15, wide-pitch helical blade; 16, tapered-pitch helical blade; 17, close-pitch helical blade; 18, fixed ring; 19, tapered shaft; 110, conical surface choke block; 111, separation driving motor; 112, material blocking plate; 113, electric actuator; 114, solid phase outlet; 115, filtrate tank; 2, liquid collecting hopper; 21, liquid phase conveying pipe; 22, pipeline filter; 23, flow sensor; 3, liquid phase flocculation unit; 31, reaction separation tank; 32, flow guide partition plate; 33, inlet baffle; 34, outlet baffle; 35, dosing branch pipe; 36, flocculation liquid discharge pipe; 37, output pump; 38, reagent cavity; 39, microporous exudation membrane; 310, flow guide connecting pipe; 311, flow guide pump; 4, anaerobic treatment tank; 41, biogas pipe; 42, temperature adjusting medium inlet pipe; 43, temperature adjusting medium discharge pipe; 44, spiral material conveying machine; 45, anaerobic liquid discharge pipe; 46, separation sleeve; 47, temperature control sandwich inner cavity; 48, C-shaped heat exchange pipe; 49, unloading cone hopper; 410, solid material discharge pipe; 411, solid material discharge electric control valve; 412, connecting short pipe; 413, liquid circulating pump; 414, circulating backflow pipe; 415, liquid discharge lifting pump; 5, aerobic treatment tank; 51, maintenance cover; 52, handle; 53, aerobic purification liquid discharge pipe; 54, water drainage electromagnetic valve; 55, gas supply pipe; 56, gas distribution ring; 57, throat pipe type fluidic device; 58, support frame; 59, gas guide pipe; 510, check valve; 511, flexible connecting pipe; 512, porous floating plate; 513, microporous aeration head; 514, aeration liquid conveying pipe; 515, conveying power pump; 516, liquid suction bottom pipe; 517, liquid collecting tank; 518, biological filler basket; 519, filter screen connecting head; 6, biogas power unit; 61, biogas conveying main pipe; 7, energy storage battery; 8, photovoltaic panel; 9, control box. Detailed Implementation

[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0046] Example 1

[0047] like Figures 1 to 19 As shown, an integrated rural toilet waste deep separation and treatment device includes a solid-liquid separation module 1 and an energy management system. The liquid phase separated by the solid-liquid separation module 1 is transported to a liquid phase flocculation unit 3, an anaerobic treatment tank 4, and two sets of aerobic treatment tanks 5 connected in sequence. The solid phase separated by the solid-liquid separation module 1 is transported to the anaerobic treatment tank 4. When treating rural toilet waste, the solid and liquid phases of the waste are first separated by the solid-liquid separation module 1. Then, the liquid phase is flocculated by the liquid phase flocculation unit 3. After that, the liquid and solid phases are fed into the anaerobic treatment tank 4 for anaerobic fermentation treatment. Finally, the liquid phase is transported to the two aerobic treatment tanks in sequence. Tank 5 performs further aerobic treatment and separates the solid and liquid phases of the sewage for treatment. This solid-liquid separation method can avoid clogging in subsequent treatment processes and further denitrify the liquid phase to ensure more thorough treatment. Before the anaerobic fermentation of the sewage liquid phase, the liquid phase flocculation unit 3 performs flocculation and phosphorus removal to improve the pollutant removal rate. This achieves integrated treatment of solid-liquid separation, anaerobic biogas production, and aerobic denitrification of rural toilet sewage. The solid and liquid phases after integrated treatment can be further utilized for resource utilization, making it extremely suitable for use in rural areas.

[0048] The solid-liquid separation module 1 includes a coaxially arranged outer separation cylinder 11 and a filter inner cylinder 14. The filter inner cylinder 14 is equipped with a variable pitch propulsion blade assembly, which includes a wide-pitch spiral blade 15, a tapered-pitch spiral blade 16, a close-pitch spiral blade 17, and a tapered shaft 19. The variable pitch propulsion blade assembly realizes the gradual extrusion and separation of fecal waste. First, the wide-pitch spiral blade 15 quickly receives the fecal waste material and propels it forward with a low extrusion force to avoid inlet blockage and allow a small amount of free water to seep out under the action of permeation. Then, the tapered-pitch spiral blade 16 applies progressive pressure to the fecal waste material to gradually squeeze out capillary water and comb out fibrous impurities in the fecal waste material. Finally, the close-pitch spiral blade 17 continuously applies mechanical extrusion force to the maximum to squeeze out the bound water in the fecal waste material. The separation and extrusion of water with different degrees of binding is completed step by step, which can reduce ineffective energy consumption while ensuring thorough solid-liquid separation.

[0049] The liquid phase flocculation unit 3 is provided with a plurality of reaction grooves 31 distributed upward and downward and communicated in sequence, each reaction groove 31 is provided with a plurality of flow guide baffles 32, the two side plates of the flow guide baffle 32 are connected with a microporous exudation membrane 39, the flow guide baffle 32 releases the medicament to the reaction groove 31 through the microporous exudation membrane 39, the concentration of the medicament in the plurality of reaction grooves 31 decreases in turn along the direction of the liquid phase of the manure, the medicament required for flocculation can be exuded through the flow guide baffle 32, the flow guide baffle 32 is changed from a passive mixing element to an active medicament release carrier, which breaks through the inherent cognition that the existing technology only uses the folding plate for hydraulic control, and can directly provide medicament at the boundary layer of the flocculation, improve the local reaction concentration gradient, and can be batch flocculated by sequentially conveying the manure liquid phase into the reaction groove 31, realize the gradient release and uniform mixing of the medicament, greatly improve the removal rate of phosphorus, reduce the amount of medicament, and solve the problems of uneven mixing and insufficient reaction in the traditional flocculation process;

[0050] The anaerobic treatment tank 4 is provided with a solid phase fermentation zone and a liquid phase fermentation zone, and a liquid phase temperature guiding flow unit is arranged between the solid phase fermentation zone and the liquid phase fermentation zone. By arranging the solid phase fermentation zone and the liquid phase fermentation zone in the anaerobic treatment tank 4, the liquid phase and the solid phase of the manure are simultaneously developed and fermented in one anaerobic treatment tank 4, the different fermentation mechanisms of the solid phase high-temperature fermentation sterilization and the liquid phase mesophilic fermentation are realized, the solid phase high-temperature fermentation sterilization and the liquid phase mesophilic fermentation can be efficiently and simultaneously performed in the same tank body, the biogas production and the fermentation efficiency are improved, and in the fermentation process, the liquid phase temperature guiding flow unit can ensure the uniform temperature of the liquid phase zone and promote heat exchange between the two zones, and the energy consumption is reduced.

[0051] The energy management system includes a photovoltaic panel 8, an energy storage battery 7, a biogas power unit 6 and a control box 9. The biogas generated by the anaerobic treatment tank 4 is delivered to the biogas power unit, and the biogas generated by the anaerobic treatment tank 4 can be used to generate electricity through the biogas power unit 6. When using the device, electricity can also be generated through the photovoltaic panel 8. The electrical energy is stored in the energy storage battery 7 to meet the power demand of various electrical components of the device. The control box 9 can realize energy self-sufficiency and intelligent control of the device, and is especially suitable for operation and use in rural areas with weak power infrastructure.

[0052] Example two

[0053] Based on the improvement of example one:

[0054] As Figures 1 to 5As shown, the separation outer cylinder 11 is provided with a feeding port 13 and a solid phase outlet 114. The feeding port 13 is vertically communicated above the front end of the filter screen inner cylinder 14 along the direction of the flow of the fecal slurry, and the solid phase outlet 114 is vertically communicated below the tail end of the separation outer cylinder 11 along the direction of the flow of the fecal slurry. The cylinder body of the separation outer cylinder 11 is also provided with a filtrate groove 115, which is located directly below the filter screen inner cylinder 14. The fecal slurry material can enter the filter screen inner cylinder 14 through the feeding port 13, and the separated fecal slurry solid phase can be discharged through the solid phase outlet 114, and the fecal slurry liquid phase can be discharged through the filtrate groove 115, so as to realize systematic separation treatment. The vertically arranged feeding port 13 utilizes the gravitational potential energy to offset the fiber winding moment, so that the fecal slurry material is stretched along the axial direction of the filter screen inner cylinder 14. The design that the filtrate groove 115 is coincident with the projection surface of the filter screen inner cylinder 14 enables the liquid phase to directly enter the collection channel after being separated from the screen holes of the filter screen inner cylinder 14, thereby avoiding secondary splashing. A plurality of fixing rings 18 are connected between the outer wall of the filter screen inner cylinder 14 and the inner wall of the separation outer cylinder 11. A driving shaft 12 is rotatably connected in the filter screen inner cylinder 14. A separation driving motor 111 is fixedly connected to one end of the separation outer cylinder 11 close to the feeding port 13, and the rotating shaft of the separation driving motor 111 is fixedly connected with the driving shaft 12 in the same axis line. The radial constraint of the fixing ring 18 maintains the dynamic balance of the filter screen inner cylinder 14, and the driving force can be provided by the separation driving motor 111.

[0055] Further, the other end of the drive shaft 12 is fixedly connected with the tapered shaft 19 coaxially, the wide-pitch helical blade 15 and the tapered-pitch helical blade 16 are fixedly connected on the shaft body of the drive shaft 12, and the connection position of the wide-pitch helical blade 15 constitutes a feeding loose section in the filter inner cylinder 14, the connection position of the tapered-pitch helical blade 16 constitutes a transition section in the filter inner cylinder 14, the close-pitch helical blade 17 is fixedly connected on the shaft body of the tapered shaft 19, and the connection position of the close-pitch helical blade 17 constitutes a high-pressure extrusion section in the filter inner cylinder 14, the wide-pitch helical blade 15, the tapered-pitch helical blade 16 and the close-pitch helical blade 17 are connected in position, and the wide-pitch helical blade 15, the tapered-pitch helical blade 16 and the close-pitch helical blade 17 form an integral whole, so as to ensure the continuity of the fecal sludge material in the conveying process through the cooperation of the three-section variable-pitch blades and the high-pressure section tapered shaft 19, and the solid-liquid phase change process of the fecal sludge is converted into the pressure and shear synergy in the spiral channel, so as to realize the progressive pressurization of the fecal sludge material in the conveying process, the wide-pitch helical blade 15 is driven by the separation driving motor 111 to rotate synchronously with the drive shaft 12 and the tapered shaft 19, the helical pitch angle of the wide-pitch helical blade 15 makes the fecal sludge material produce circumferential rolling, destroys the surface adsorption force of the solid-liquid phase, and easily removes the free water, the tapered-pitch helical blade 16 establishes a pressure gradient through the pitch shrinkage rate change, and removes the capillary water stably, the close-pitch helical blade 17 cooperates with the tapered shaft 19 to form a gradually narrowing closed compression cavity, and the superpressure removes the combined water, which is more energy-saving than the whole-process high pressure, the pressure gradually rises, the instantaneous high load of the separation driving motor 111 is avoided, and the gradual extrusion can also reduce the impact and wear of hard impurities on the filter inner cylinder 14.

[0056] Further, the discharge end of the filter inner cylinder 14 is provided with a conical surface flow resistance block 110 and a material blocking plate 112 fixedly connected together, the conical surface flow resistance block 110 is movably inserted into the end cylinder port of the filter inner cylinder 14, the material blocking plate 112 is tightly attached to the end cylinder edge of the filter inner cylinder 14, one end of the separation outer cylinder 11 close to the solid phase outlet 114 is fixedly connected with an electric actuator 113, the movable front end of the electric actuator 113 is fixedly connected to one side of the material blocking plate 112 away from the conical surface flow resistance block 110, the conical surface flow resistance block 110 and the material blocking plate 112 can be moved by the electric actuator 113, so that the conical surface flow resistance block 110 and the end cylinder port of the filter inner cylinder 14 constitute a variable throttling port, the back pressure of the cavity is changed by opening degree adjustment, and different types of fecal sludge materials are adapted for solid-liquid separation.

[0057] Further, the bottom of the barrel body of the separation outer cylinder 11 is connected with a collecting bucket 2, and the collecting bucket 2 is communicated with the filtrate tank 115. The bottom surface of the collecting bucket 2 is inclined, and the inclined lower end of the collecting bucket 2 is communicated with a liquid phase conveying pipe 21. The other end of the liquid phase conveying pipe 21 is communicated with the reaction tank 31 of the uppermost layer of the liquid phase flocculation unit 3. The pipeline filter 22 and the flow sensor 23 are installed on the pipe body of the liquid phase conveying pipe 21. The separated fecal liquid phase is collected by the collecting bucket 2, and the bottom surface of the collecting bucket 2 is inclined, so that the fecal liquid phase in the tank can be completely conveyed to the liquid phase flocculation unit 3 through the liquid phase conveying pipe 21 for flocculation treatment. During the conveying process, the pipeline filter 22 is used for preliminary filtration to avoid the fecal liquid phase with many impurities entering the reaction tank 31 of the liquid phase flocculation unit 3, and the flow sensor 23 is used for real-time monitoring of the flow of the fecal liquid phase, so that the liquid phase flocculation unit 3 can perform corresponding flocculation treatment according to the flow of the fecal liquid phase.

[0058] As shown in Figure 1 , Figures 6 to 9 The lower half of the flow guide baffle 32 of each reaction tank 31 is connected with an inlet baffle 33, and the upper half of the flow guide baffle 32 of each reaction tank 31 is connected with an outlet baffle 34. The flow guide baffle 32 in each reaction tank 31 is provided with multiple groups along the flow direction of the fecal liquid phase. Adjacent two groups of flow guide baffles 32 are arranged in a staggered manner. The connecting pipe 310 is communicated between the upper and lower reaction tanks 31. The pipe body of the connecting pipe 310 is provided with a flow guide pump 311. The outlet side of the lowermost reaction tank 31 is communicated with a flocculation liquid discharge pipe 36. The pipe body of the flocculation liquid discharge pipe 36 is provided with an output pump 37. The other end of the flocculation liquid discharge pipe 36 is communicated with the bottom of the anaerobic treatment tank 4. The staggered arrangement of the flow guide baffles 32 constructs a zigzag flow channel in the tank, prolongs the collision path of the particles in the fecal liquid phase, and the inlet baffle 33 ensures that the fecal liquid phase can uniformly flow into each position of the reaction tank 31. The outlet baffle 34 can shield the flocculation material floating on the top, so as to avoid bringing the flocculation material into the next reaction tank 31.

[0059] Further, the bottom of each reaction groove 31 is embedded with multiple dosing branch pipes 35, the diversion baffle 32 is provided with a reagent cavity 38, and each dosing branch pipe 35 is in communication with the reagent cavity 38 of the corresponding diversion baffle 32. The dosing branch pipes 35 provided in each reaction groove 31 are respectively in communication with the externally provided PAC reagent storage tank, and the dosing amount ratio of the dosing branch pipes 35 provided in each reaction groove 31 is 6:3:1. The multiple reaction grooves 31 are distributed up and down and connected in series through a diversion connecting pipe 310, a diversion pump 311 provides power for liquid flow, realizes multi-stage series flocculation treatment, each stage can be provided with different working conditions, realizes step-by-step removal of pollutants, and the treatment effect is more thorough. The flocculation liquid discharge pipe 36 and the output pump 37 are responsible for transporting the liquid phase after the final flocculation treatment to the bottom of the anaerobic treatment tank 4. The dosing branch pipe 35 is embedded in the bottom of the groove and directly communicates with the reagent cavity 38 inside the diversion baffle 32. The reagent is transported to the reagent cavity 38 through the dosing branch pipe 35, and then slowly and uniformly seeps into the liquid flow in the reaction groove 31 in the form of molecular clusters through the microporous permeation membrane 39 on both sides of the diversion baffle 32. This drug release method avoids local excess or deficiency of reagent, can form a high-concentration reaction zone on the surface of the diversion baffle 32, greatly improves the reaction rate and reagent utilization rate, and the dosing branch pipes 35 corresponding to the multiple reaction grooves 31 are added with reagents in a dose ratio of 6:3:1. The first stage is used for rapidly destroying colloidal stability and forming a large number of micro-floc nuclei; the second stage is used for promoting the further growth and aggregation of the floc nuclei; and the third stage is used for consolidating the volume and density of the floc and preventing it from being broken down under hydraulic shear. This zoned gradient dosing strategy perfectly matches the evolution process of pollutants, uses the least amount of reagent to achieve the best phosphorus removal effect, solves the industry problem of mismatching of reagent and pollutants in space and time distribution in the flocculation process, significantly reduces the operating cost. It should be noted that the externally provided PAC reagent storage tank can adopt the reagent storage tank disclosed in the announcement No. CN211109067U.

[0060] As Figure 1 , Figures 10 to 13As shown, the anaerobic treatment tank 4 is coaxially provided with a separation sleeve 46, the pipe body of the separation sleeve 46 is provided with a temperature control interlayer cavity 47, the inner cavity of the separation sleeve 46 is a solid phase fermentation zone, the gap cavity between the separation sleeve 46 and the anaerobic treatment tank 4 is a liquid phase fermentation zone, the upper end of the anaerobic treatment tank 4 is connected with two biogas pipes 41, the two biogas pipes 41 are respectively communicated with the solid phase fermentation zone and the liquid phase fermentation zone, the biogas input end of the biogas power unit 6 is communicated with a biogas conveying main pipe 61, the other ends of the two biogas pipes 41 are respectively communicated with the biogas conveying main pipe 61, the solid-liquid phases after the separation of the fecal sewage can be respectively stored in different areas of the anaerobic treatment tank 4 through the separation sleeve 46, the anaerobic fermentation processes of the fecal sewage solid phase and the fecal sewage liquid phase are not interfered with each other, and the fecal sewage solid phase is located on the inside and the fecal sewage liquid phase is located on the outside in the anaerobic treatment tank 4, the fecal sewage liquid phase on the outside has a heat preservation effect on the fecal sewage solid phase on the inside, that is, a solid phase high-temperature fermentation zone 55℃ and a liquid phase medium-temperature fermentation zone 35℃ can be formed, and the biogas and other gases generated in the anaerobic fermentation process can be discharged through the biogas pipes 41, which is convenient for subsequent reuse and treatment of the biogas.

[0061] Further, the bottom end of the temperature control interlayer cavity 47 opened by the separation sleeve 46 is communicated with a temperature adjusting medium inlet pipe 42, the upper end of the temperature control interlayer cavity 47 opened by the separation sleeve 46 is communicated with a temperature adjusting medium outlet pipe 43, the outside ends of the temperature adjusting medium inlet pipe 42 and the temperature adjusting medium outlet pipe 43 extend to the outside of the anaerobic treatment tank 4, and the outside ends of the temperature adjusting medium inlet pipe 42 and the temperature adjusting medium outlet pipe 43 are communicated with an external circulating temperature adjusting water tank, the temperature adjusting medium inlet pipe 42 and the temperature adjusting medium outlet pipe 43 can make the circulating water in the temperature control interlayer cavity 47 flow, and keep good temperature adjusting effect at all times, it should be noted that the external circulating temperature adjusting water tank can adopt the filtering and temperature adjusting circulating water tank disclosed in the publication No. CN105538534B, and temperature sensors are arranged in the solid phase fermentation zone and the liquid phase fermentation zone;

[0062] Further, the tank body bottom end of the anaerobic treatment tank 4 located in the solid phase fermentation zone is communicated with a discharge cone 49, the discharge cone 49 is in the shape of a conical funnel, and the bottom end of the discharge cone 49 is communicated with a solid discharge pipe 410, the pipe body of the solid discharge pipe 410 is installed with a solid discharge electric control valve 411, and the bottom end of the solid discharge pipe 410 is communicated with a spiral conveying machine 44; the side wall bottom end of the anaerobic treatment tank 4 is communicated with an anaerobic liquid discharge pipe 45, and the pipe body of the anaerobic liquid discharge pipe 45 is connected with a liquid discharge lifting pump 415, the other end of the anaerobic liquid discharge pipe 45 is communicated with the upper end of the tank body of the aerobic treatment tank 5, the fecal sewage solid phase after fermentation can smoothly enter the solid discharge pipe 410 through the discharge cone 49, and then the fecal sewage solid phase can be conveniently discharged from the anaerobic treatment tank 4 through the spiral conveying machine 44, and the liquid discharge lifting pump 415 can convey the fecal sewage liquid phase after fermentation to the aerobic treatment tank 5 through the anaerobic liquid discharge pipe 45 for further biochemical nitrogen removal.

[0063] Further, the liquid phase temperature guiding flow unit comprises C-shaped heat exchange pipes 48, connecting short pipes 412, a liquid circulating pump 413, and a circulating return pipe 414. The vertical pipe body of the C-shaped heat exchange pipe 48 is located in the solid phase fermentation zone. The horizontal pipe body of the C-shaped heat exchange pipe 48 penetrates the pipe wall of the separation sleeve 46, and the horizontal pipe body pipe opening part of the C-shaped heat exchange pipe 48 is located in the liquid phase fermentation zone. The horizontal pipe body pipe openings of two adjacent C-shaped heat exchange pipes 48 are connected in an up-down staggered manner by the connecting short pipes 412. The lower horizontal pipe body pipe openings of the two C-shaped heat exchange pipes 48 are respectively connected to the liquid circulating pump 413 and the circulating return pipe 414. The other end of the circulating return pipe 414 is located in the fecal liquid phase in the liquid phase fermentation zone. The plurality of C-shaped heat exchange pipes 48 are connected in a communicating manner through the connecting short pipes 412. When the liquid circulating pump 413 pumps the fecal liquid phase into the C-shaped heat exchange pipe 48 for flow, and then discharges through the circulating return pipe 414, the intermediate part of the fecal solid phase can be cooled to a certain extent, avoiding the generation of high temperature that is not suitable for fermentation during the composting fermentation process, that is, the fermentation temperature of the fecal solid phase can be dynamically balanced.

[0064] As shown in Figure 1 , Figures 14 to 19 , the upper end opening of the aerobic treatment tank 5 is movably connected with an inspection cover 51, and the upper plate surface of the inspection cover 51 is connected with a handle 52. The tank wall of the aerobic treatment tank 5 is connected with an aerobic purification liquid discharge pipe 53. The pipe body of the aerobic purification liquid discharge pipe 53 is provided with a drain electromagnetic valve 54. The aerobic treatment tank 5 is provided with a throat pipe type fluidic device 57 and a microporous aeration head 513. The delivery end of the throat pipe type fluidic device 57 is connected with the microporous aeration head 513. The throat of the throat pipe type fluidic device 57 is connected with a gas distribution ring 56. The inner wall of the aerobic treatment tank 5 is connected with a plurality of annularly and uniformly distributed biological filler baskets 518, and the biological filler baskets 518 are filled with suspended biological carriers. The inspection cover 51 is provided to facilitate the opening and closing of the biological filler baskets 518 filled with suspended biological carriers. The annularly and uniformly distributed biological filler baskets 518 can not only adsorb the fecal liquid phase, but also support the porous floating plate 512. It should be noted that the suspended biological carriers filled in the biological filler baskets 518 include but are not limited to volcanic rock composite fillers.

[0065] Further, the microporous aeration head 513 is fixedly connected in an embedded manner at the bottom end of the aerobic treatment tank 5, the throat pipe type fluidic device 57 is uniformly distributed in a ring shape and is provided with a plurality of throat pipe type fluidic devices 57, and the throat pipe type fluidic device 57 is located above the microporous aeration head 513. The perforated floating plate 512 is movably arranged in the aerobic treatment tank 5, and in the initial state, the perforated floating plate 512 is supported above the biological filler basket 518. The lower plate surface of the perforated floating plate 512 is connected with a plurality of filter screen connecting heads 519 which are arranged one by one in correspondence with the throat pipe type fluidic devices 57. The filter screen connecting head 519 and the upper end of the throat pipe type fluidic device 57 are communicated with the flexible connecting pipe 511. The throat of each throat pipe type fluidic device 57 and the gas distribution ring 56 are communicated with the gas guide pipe 59. The gas distribution ring 56 and the inner wall of the aerobic treatment tank 5 are connected with the support frame 58 which is distributed in a cross shape. The gas distribution ring 56 is communicated with the gas supply pipe 55, and the other end of the gas supply pipe 55 extends to the outside of the aerobic treatment tank 5 and is communicated with the external oxygen tank. The check valve 510 is installed on the pipe body of the gas guide pipe 59. The lower end of each throat pipe type fluidic device 57 is communicated with the liquid suction bottom pipe 516. The pipe body of the liquid suction bottom pipe 516 penetrates the tank bottom of the aerobic treatment tank 5. The tank bottom of the aerobic treatment tank 5 is provided with the liquid collecting tank 517. The liquid collecting tank 517 and the microporous aeration head 513 are communicated with the aeration liquid conveying pipe 514. The pipe body of the aeration liquid conveying pipe 514 is provided with the conveying power pump 515. The bottom end of the liquid suction bottom pipe 516 is communicated with the side wall of the liquid collecting tank 517. The liquid suction bottom pipe 516 sucks the manure liquid phase in the aerobic treatment tank 5 by starting the conveying power pump 515. The throat of the throat pipe type fluidic device 57 converts the fluid kinetic energy into pressure energy. The cavitation effect in the negative pressure area of the throat tears the gas bubbles. Then the liquid with gas bubbles is sprayed out through the microporous aeration head 513 through the aeration liquid conveying pipe 514. The biological filler basket 518 is arranged in the tank wall of the aerobic treatment tank 5 to induce cyclone motion, so that the collision frequency of the manure liquid phase and the micro-bubbles is multiplied. The energy gradient conversion realizes multi-stage regulation of the bubble size, which can greatly improve the oxygen utilization rate during aerobic biochemical reaction. The counterweight design of the perforated floating plate 512 makes it always suspended in the gas-liquid mixing area. The corrugated structure of the flexible connecting pipe 511 compensates the fluid pulsating displacement, so that it can always suck from the liquid surface.

[0066] Working principle: first, the solid phase and the liquid phase of the manure are separated by the solid-liquid separation module 1. The separation drive motor 111 drives the drive shaft 12 and the tapered shaft 19 to rotate synchronously. The helical angle of the wide-pitch helical blade 15 makes the manure material produce circumferential rolling, destroys the surface adsorption force of the solid-liquid phase, and easily removes the free water. The gradually tapered pitch helical blade 16 changes the pressure gradient by the pitch contraction rate, and smoothly pressurizes to remove the capillary water. The close-pitch helical blade 17 cooperates with the tapered shaft 19 to form a gradually narrowing closed compression cavity, and the superpressure removes the bound water.

[0067] The separated liquid phase of manure is transported to the multiple reaction tanks 31 of the liquid phase flocculation unit 3 for multi-stage flocculation treatment, and during the flocculation treatment, the medicine solution is directly provided at the boundary layer of the flocculation, the local reaction concentration gradient is improved, the sub-millimeter level pores of the micro-porous permeation membrane 39 release the PAC medicine in the form of molecular clusters, and the high concentration reaction zone is formed on the two side plates of the flow guide baffle 32; The staged setting of the medicine adding ratio corresponds to the evolution of the pollutant form, and the best phosphorus removal effect is achieved with the least amount of medicine, solving the industry problem of mismatching of medicine and pollutants in time and space during flocculation.

[0068] The liquid phase and the solid phase are put into the corresponding fermentation areas of the anaerobic treatment tank 4 for anaerobic fermentation treatment, the separation sleeve 46 realizes the simultaneous separate fermentation of the liquid phase and the solid phase of the manure in one anaerobic treatment tank 4, realizes the different fermentation mechanisms of the solid phase fermentation to produce biogas and the liquid phase fermentation to realize organic matter degradation, and during the fermentation process, the temperature control inner cavity 47 can be used to circulate water for temperature control, the liquid phase temperature guide flow unit shell can ensure the uniform temperature of the liquid phase area, promote heat exchange between the two areas, reduce energy consumption, the separation sleeve 46 creates a physical isolation environment of double temperature zones, the temperature control inner cavity 47 forms a heat shield, the solid phase high-temperature sterilization and the liquid phase mesophilic biogas production do not interfere with each other in spatial superposition, the manure solid phase after fermentation can be smoothly put into the solid discharge pipe 410 through the discharge cone 49, and then the manure solid phase can be conveniently discharged from the anaerobic treatment tank 4 through the screw conveyor 44, and the liquid discharge lifting pump 415 can transport the manure liquid phase after fermentation to the aerobic treatment tank 5 through the anaerobic liquid discharge pipe 45 for further biochemical nitrogen removal.

[0069] The liquid phase is transported to the aerobic treatment tank 5 for further aerobic treatment, the throat pipe type fluidic device 57 and the micro-porous aeration head 513 constitute the aeration adjustment required during aerobic biochemical treatment, and the throat pipe type fluidic device 57 and the micro-porous aeration head 513 constitute a two-stage energy transfer chain of gas-liquid shearing and micro-porous diffusion, the biological filler basket 518 is arranged on the tank wall of the aerobic treatment tank 5 to induce cyclone motion, so that the collision frequency of the manure liquid phase and the micro-bubbles is multiplied, which can greatly improve the oxygen utilization rate during aerobic biochemical treatment, and the suspended biological carrier filled in the cage of the biological filler basket 518 can greatly improve the adsorption of the manure liquid phase, greatly improve the adsorption of the nitrogen pollutants in the manure liquid phase, greatly improve the ammonia nitrogen removal rate during aerobic biochemical treatment of the manure liquid phase, realize the integrated treatment of solid-liquid separation, anaerobic biogas production, and aerobic denitrification of rural toilet manure, and the solid phase and the liquid phase after integrated treatment can be further utilized, which is extremely suitable for use in rural areas.

[0070] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the identity of the reference signs therein.

[0071] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An integrated rural toilet fecal matter deep separation treatment apparatus comprising a solid-liquid separation module (1) and an energy management system, characterized in that: The liquid phase separated by the solid-liquid separation module (1) is delivered to the liquid phase flocculation unit (3), the anaerobic treatment tank (4) and two groups of aerobic treatment tanks (5) which are communicated in sequence, and the solid phase separated by the solid-liquid separation module (1) is delivered to the anaerobic treatment tank (4); The solid-liquid separation module (1) comprises a separation outer cylinder (11) and a filter screen inner cylinder (14) which are coaxially arranged, and a variable pitch propeller group is arranged in the filter screen inner cylinder (14), wherein the variable pitch propeller group comprises wide-pitch helical blades (15), tapered-pitch helical blades (16), close-pitch helical blades (17) and a tapered shaft (19); The liquid phase flocculation unit (3) is provided with reaction separation tanks (31) which are distributed in upper and lower positions and communicated in sequence, each of the reaction separation tanks (31) is provided with a plurality of flow guide baffles (32), the flow guide baffles (32) are connected with microporous exudation membranes (39) on both sides of the plate body, the flow guide baffles (32) release medicaments into the reaction separation tanks (31) through the microporous exudation membranes (39), and the concentrations of the medicaments in the plurality of reaction separation tanks (31) decrease in sequence along the flowing direction of the liquid phase of the manure and excrement; The lower half of the flow guide baffle (32) at the liquid inlet end of each reaction separation tank (31) is connected with an inlet baffle (33), the upper half of the flow guide baffle (32) at the liquid outlet end of each reaction separation tank (31) is connected with an outlet baffle (34), each flow guide baffle (32) in each reaction separation tank (31) is provided with a plurality of groups along the flowing direction of the liquid phase of the manure and excrement, the two adjacent groups of flow guide baffles (32) are arranged in a staggered manner, a flow guide connecting pipe (310) is arranged between the upper and lower reaction separation tanks (31), a flow guide pump (311) is arranged on the pipe body of the flow guide connecting pipe (310), a flocculation liquid discharge pipe (36) is connected to one side of the liquid outlet end of the lowermost reaction separation tank (31), an output pump (37) is arranged on the pipe body of the flocculation liquid discharge pipe (36), and the other end of the flocculation liquid discharge pipe (36) is connected to the bottom end of the tank body of the anaerobic treatment tank (4); A plurality of dosing branch pipes (35) are arranged at the bottom of each reaction separation tank (31), the flow guide baffles (32) are provided with medicament cavities (38), each dosing branch pipe (35) is connected to the medicament cavity (38) of the corresponding flow guide baffle (32), the dosing branch pipes (35) arranged in each reaction separation tank (31) are connected to the externally arranged PAC medicament storage tank, and the dosing amount ratio of the dosing branch pipes (35) arranged in each reaction separation tank (31) is 6:3:1; The anaerobic treatment tank (4) is provided with a solid phase fermentation zone and a liquid phase fermentation zone, and a liquid phase temperature guide flow unit is arranged between the solid phase fermentation zone and the liquid phase fermentation zone; The energy management system comprises a photovoltaic panel (8), an energy storage battery (7), a biogas power unit (6) and a control box (9), and the biogas generated by the fermentation of the anaerobic treatment tank (4) is delivered to the biogas power unit.

2. The integrated rural toilet fecal matter deep separation treatment apparatus according to claim 1, characterized in that: The separation outer cylinder (11) is provided with a feeding port (13) and a solid phase outlet (114), the feeding port (13) is vertically communicated above the front end of the filter screen inner cylinder (14) along the direction of the flow of the excrement, the solid phase outlet (114) is vertically communicated below the tail end of the separation outer cylinder (11) along the direction of the flow of the excrement, the filter screen inner cylinder (14) is further provided with a filtrate groove (115) below the filter screen inner cylinder (14), a plurality of fixed rings (18) are connected between the outer wall of the filter screen inner cylinder (14) and the inner wall of the separation outer cylinder (11), the filter screen inner cylinder (14) is rotatably connected with a driving shaft (12), and one end of the separation outer cylinder (11) near the feeding port (13) is fixedly connected with a separation driving motor (111), and the rotation shaft of the separation driving motor (111) is fixedly connected with the driving shaft (12) in the same axis.

3. The integrated rural toilet fecal matter deep separation treatment apparatus of claim 2, wherein: The other end of the driving shaft (12) is fixedly connected with a tapered shaft (19) in the same axis, the wide-pitch spiral blade (15) and the tapered-pitch spiral blade (16) are fixedly connected on the shaft of the driving shaft (12), the connection position of the wide-pitch spiral blade (15) constitutes a feeding loose section in the filter screen inner cylinder (14), the connection position of the tapered-pitch spiral blade (16) constitutes a transition section in the filter screen inner cylinder (14), the close-pitch spiral blade (17) is fixedly connected on the shaft of the tapered shaft (19), and the connection position of the close-pitch spiral blade (17) constitutes a high-pressure extrusion section in the filter screen inner cylinder (14), and the wide-pitch spiral blade (15), the tapered-pitch spiral blade (16) and the close-pitch spiral blade (17) are connected in position; The filter screen inner cylinder (14) is provided with a conical surface flow blocking block (110) and a material blocking plate (112) fixedly connected together at the discharge end, the conical surface flow blocking block (110) is movably inserted into the end port of the filter screen inner cylinder (14), the material blocking plate (112) is tightly attached to the end edge of the filter screen inner cylinder (14), one end of the separation outer cylinder (11) near the solid phase outlet (114) is fixedly connected with an electric actuator (113), and the movable front end of the electric actuator (113) is fixedly connected to the side plate of the material blocking plate (112) away from the conical surface flow blocking block (110).

4. The integrated rural toilet fecal matter deep separation treatment apparatus of claim 3, wherein: The bottom of the separation outer cylinder (11) is connected with a liquid collecting hopper (2), the liquid collecting hopper (2) is communicated with the filtrate groove (115), the bottom surface of the liquid collecting hopper (2) is inclined, the inclined lower end of the liquid collecting hopper (2) is communicated with a liquid phase conveying pipe (21), the other end of the liquid phase conveying pipe (21) is communicated with the reaction groove (31) of the uppermost layer of the liquid phase flocculation unit (3), and the pipe body of the liquid phase conveying pipe (21) is provided with a pipeline filter (22) and a flow sensor (23).

5. The integrated rural toilet fecal matter deep separation treatment apparatus according to claim 1, wherein: The anaerobic treatment tank (4) is coaxially provided with a separation sleeve (46), the pipe body of the separation sleeve (46) is provided with a temperature control sandwich inner cavity (47), the inner cavity of the separation sleeve (46) is a solid phase fermentation zone, the gap cavity between the separation sleeve (46) and the anaerobic treatment tank (4) is a liquid phase fermentation zone, the upper end of the anaerobic treatment tank (4) is connected with two biogas pipes (41), the two biogas pipes (41) are respectively communicated with the solid phase fermentation zone and the liquid phase fermentation zone, and the biogas input end of the biogas power unit (6) is communicated with a biogas conveying main pipe (61); the other ends of the two biogas pipes (41) are respectively communicated with the biogas conveying main pipe (61).

6. The integrated rural toilet fecal matter deep separation treatment apparatus of claim 5, wherein: The bottom end of the temperature control sandwich inner cavity (47) of the separation sleeve (46) is communicated with a temperature adjusting medium inlet pipe (42), the upper end of the temperature control sandwich inner cavity (47) of the separation sleeve (46) is communicated with a temperature adjusting medium outlet pipe (43), the outer side ends of the temperature adjusting medium inlet pipe (42) and the temperature adjusting medium outlet pipe (43) extend to the outside of the anaerobic treatment tank (4), and the outer side ends of the temperature adjusting medium inlet pipe (42) and the temperature adjusting medium outlet pipe (43) are communicated with an external circulating temperature adjusting water tank; The tank body bottom end of the anaerobic treatment tank (4) located in the solid phase fermentation zone is communicated with a discharge cone hopper (49), the discharge cone hopper (49) is in the shape of a conical funnel, the bottom end of the discharge cone hopper (49) is communicated with a solid discharge pipe (410), the pipe body of the solid discharge pipe (410) is provided with a solid discharge electric control valve (411), and the bottom end of the solid discharge pipe (410) is communicated with a spiral material conveying machine (44); the bottom end of the side wall of the anaerobic treatment tank (4) is communicated with an anaerobic liquid discharge pipe (45), the pipe body of the anaerobic liquid discharge pipe (45) is connected with a liquid discharge lifting pump (415), and the other end of the anaerobic liquid discharge pipe (45) is communicated with the upper end of the tank body of the aerobic treatment tank (5).

7. The integrated rural toilet fecal matter deep separation treatment apparatus of claim 6, wherein: The liquid phase temperature guiding flow unit comprises C-shaped heat exchange pipes (48), connecting short pipes (412), liquid circulating pumps (413) and circulating return pipes (414), the vertical pipe body of the C-shaped heat exchange pipe (48) is located in the solid phase fermentation zone, the horizontal pipe body of the C-shaped heat exchange pipe (48) penetrates through the pipe wall of the separation sleeve (46), the horizontal pipe body pipe opening part of the C-shaped heat exchange pipe (48) is located in the liquid phase fermentation zone, the horizontal pipe body pipe openings of adjacent two C-shaped heat exchange pipes (48) are communicated in an up-down staggered manner through connecting short pipes (412), and the lower horizontal pipe body pipe openings of two C-shaped heat exchange pipes (48) are respectively connected with liquid circulating pumps (413) and circulating return pipes (414), and the other end of the circulating return pipe (414) is located in the fecal liquid phase in the liquid phase fermentation zone.

8. The integrated rural toilet fecal matter deep separation treatment apparatus according to claim 1, wherein: The upper end opening of the aerobic treatment tank (5) is movably connected with an inspection cover (51), the middle part of the upper plate surface of the inspection cover (51) is connected with a handle (52), the tank wall bottom end of the aerobic treatment tank (5) is communicated with an aerobic purification liquid discharge pipe (53), a drain electromagnetic valve (54) is installed on the pipe body of the aerobic purification liquid discharge pipe (53), a throat pipe type fluidic device (57) and a microporous aeration head (513) are arranged in the aerobic treatment tank (5), the delivery end of the throat pipe type fluidic device (57) is communicated with the microporous aeration head (513), the throat of the throat pipe type fluidic device (57) is communicated with a gas distribution ring (56), the inner wall of the aerobic treatment tank (5) is connected with a plurality of annularly and uniformly distributed biological filler baskets (518), and the biological filler baskets (518) are filled with suspended biological carriers.

9. The integrated rural toilet fecal matter deep separation treatment apparatus of claim 8, wherein: The microporous aeration head (513) is fixedly connected to the bottom end of the aerobic treatment tank (5) in an embedded manner, a plurality of throat pipe type fluidic devices (57) are arranged in a ring shape and are uniformly distributed, the throat pipe type fluidic devices (57) are located above the microporous aeration head (513), a porous floating plate (512) is movably arranged in the aerobic treatment tank (5), the porous floating plate (512) supports the biological filler baskets (518) in the initial state, the lower plate surface of the porous floating plate (512) is connected with a plurality of filter screen connecting heads (519) corresponding to the throat pipe type fluidic devices (57), flexible connecting pipes (511) are communicated between the filter screen connecting heads (519) and the upper ends of the throat pipe type fluidic devices (57), gas guide pipes (59) are communicated between the throats of the throat pipe type fluidic devices (57) and the gas distribution rings (56), support frames (58) are connected between the gas distribution rings (56) and the inner wall of the aerobic treatment tank (5) in a cross shape, the gas distribution rings (56) are communicated with gas supply pipes (55), the other ends of the gas supply pipes (55) extend to the outside of the aerobic treatment tank (5), the other ends of the gas supply pipes (55) are communicated with externally arranged oxygen tanks, check valves (510) are installed on the pipe bodies of the gas guide pipes (59), liquid suction bottom pipes (516) are communicated with the lower ends of the throat pipe type fluidic devices (57), the pipe bodies of the liquid suction bottom pipes (516) penetrate the tank bottom of the aerobic treatment tank (5), a liquid collecting tank (517) is arranged below the tank bottom of the aerobic treatment tank (5), an aeration liquid conveying pipe (514) is communicated between the liquid collecting tank (517) and the microporous aeration head (513), a conveying power pump (515) is installed on the pipe body of the aeration liquid conveying pipe (514), and the bottom ends of the liquid suction bottom pipes (516) are communicated with the side wall of the liquid collecting tank (517).

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