Active fertilizer water ecological tank

Abstract

The invention relates to the technical field of sewage treatment, in particular to an active fertilizer water ecological tank which comprises a tank body and a power part, the interior of the tank body is divided into an upper cavity and a lower cavity through a partition plate, a sludge return pipe is arranged in the lower cavity, and the upper end of the sludge return pipe is communicated with the cavity bottom of the upper cavity; a liquid guide pipe communicated with the lower cavity is arranged in the upper cavity, and an ejector and a third water inlet pipe are arranged in the lower cavity; a first water inlet pipe, a second water inlet pipe, a filter and a water pump are arranged in the power part, the first water inlet pipe and the second water inlet pipe are respectively communicated with two sides of a filter layer of the filter, the second water inlet pipe is communicated with a water inlet of the water pump, a water outlet of the water pump is communicated with the jet device through a water outlet pipe, and the lower end of the sludge return pipe is communicated with the second water inlet pipe; the third water inlet pipe is communicated with the second water inlet pipe. In-situ recycling of the agricultural sewage is realized, the sewage is turned into efficient farmyard manure, the problem of rural sewage treatment is solved, and high-quality farmyard manure is provided for crop growth.

Description

TECHNICAL FIELD

[0001] The present application relates to the sewage treatment technical field, specifically relates to a kind of active fertilizer water ecological tank. BACKGROUND

[0002] Sewage resource is a kind of water treatment technology that can be reused after domestic sewage, industrial wastewater and other physical, chemical and biological treatment.A core goal is to realize the recycling of water resources, reduce the dependence on natural water sources, while reducing the pollution of the environment by sewage discharge.In the traditional sewage treatment system, sewage resource process generally includes raw water collection, grating filtration, equalization tank homogenization, pump delivery, bioreactor treatment, membrane separation, disinfection and reclaimed water reuse and other links.

[0003] At present, in order to realize the above-mentioned sewage resource process, generally through the coordinated work of multiple devices, so that sewage flows through all the devices in turn to realize sewage resource, but this will lead to the installation of the whole system is complex, the structure is complex, for some small-scale use scene, such as rural settlements, small farms, ecological parks, etc.The installation and maintenance cost is too high, and this kind of sewage, in addition to being used as reclaimed water, is mainly used as fertilizer water resources in rural settlements, small farms, ecological parks, etc.The use of nutrients in sewage for irrigation of crops reduces the use of fertilizer. SUMMARY

[0004] The purpose of the present application is to provide an active fertilizer water ecological tank, which solves the problem that the system for sewage resource in the prior art is mostly bulky, and the operation and maintenance are complex.

[0005] To solve the above technical problems, the present application adopts the following technical scheme: An active fertilizer water ecological tank, comprising a tank body and a power part, the tank body is divided into an upper cavity and a lower cavity by a partition plate, a sludge return pipe is arranged in the lower cavity, the upper end of the sludge return pipe is in communication with the cavity bottom of the upper cavity, a liquid guide pipe in communication with the lower cavity is arranged in the upper cavity, a jet device and a third water inlet pipe are arranged in the lower cavity; a first water inlet pipe, a second water inlet pipe, a filter and a water pump are arranged in the power part, the first water inlet pipe and the second water inlet pipe are respectively in communication with both sides of the filter layer of the filter, the second water inlet pipe is in communication with the water inlet of the water pump, the water outlet of the water pump is in communication with the jet device through a water outlet pipe, the lower end of the sludge return pipe is in communication with the second water inlet pipe, one end of the third water inlet pipe is arranged below the water pump, and the other end is in communication with the second water inlet pipe, and a fertilizer water outlet pipe in communication with the upper cavity is arranged at a position close to the top of the tank body.

[0006] Further, the liquid guide pipe comprises a main liquid guide pipe and a first branch liquid guide pipe, the main liquid guide pipe is vertically arranged in the upper cavity, the upper end of the main liquid guide pipe is close to the cavity top of the upper cavity, the upper end of the main liquid guide pipe is open, and the lower end of the main liquid guide pipe is closed; the upper end of the first branch liquid guide pipe is communicated with the main liquid guide pipe, and the lower end of the first branch liquid guide pipe is arranged in the lower cavity.

[0007] Further, the lower end of the liquid guide pipe is provided with a material blocking net pipe.

[0008] Further, the middle part of the partition plate is concave and funnel-shaped downward, and the upper end of the sludge backflow pipe is communicated with the upper side of the middle part of the partition plate.

[0009] Further, the air suction pipe is vertically arranged in the tank body, the upper end of the air suction pipe is arranged on the upper side of the tank body, the lower end of the air suction pipe sequentially penetrates the upper cavity and the partition plate, and then is communicated with the air inlet of the jet flow device in the lower cavity; the jet flow end of the jet flow device is connected with a nozzle, and the nozzle is arranged above the third water inlet pipe.

[0010] Further, the edge of the upper cavity is communicated with the top of the lower cavity through an air guide pipe, and the upper end of the air guide pipe is arranged close to the cavity top of the upper cavity.

[0011] Further, the upper part of the upper cavity is provided with an inclined plate filler, a second branch liquid guide pipe is horizontally arranged above the inclined plate filler, a liquid guide cover is arranged on the upper end of the main liquid guide pipe, one end of the second branch liquid guide pipe is communicated with the inside of the liquid guide cover, the other end of the second branch liquid guide pipe is communicated with the cavity wall of the upper cavity, and a liquid outlet hole is arranged on the lower side of the second branch liquid guide pipe.

[0012] Further, the cavity wall of the middle part of the upper cavity is a circular truncated cone, the diameter of the upper end of the circular truncated cone is greater than the diameter of the lower end of the circular truncated cone, the inclined plate filler is arranged on the circular truncated cone, and a through hole is arranged in the middle part of the inclined plate filler.

[0013] Further, the upper cavity is provided with a ring-shaped triangular weir groove above the inclined plate filler, the fertilizer water outlet pipe is arranged on the lower side of the triangular weir groove, and the groove bottom of the triangular weir groove is communicated with the fertilizer water outlet pipe through a communication pipe.

[0014] Further, the filter is provided with a filter cavity, the filter layer is a filter screen plate, the filter screen plate divides the filter cavity into an inner cavity and an outer cavity, the first water inlet pipe is communicated with the inner cavity, the second water inlet pipe, the third water inlet pipe and the sludge backflow pipe are all communicated with the outer cavity; and a sludge discharge pipe connected with the inner cavity is further arranged on the filter cavity.

[0015] Compared with the prior art, the beneficial effects of the present application are: 1. Realize the on-site resource utilization of rural sewage, and change the sewage into efficient farmyard manure, that is, solve the rural sewage treatment problem and provide high-quality farmyard manure for crop growth; 2. The device realizes the aeration of the aerobic section, the stirring of the anoxic section and the sludge backflow through one water pump, has low operation energy consumption and simple operation and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a resource utilization process schematic diagram of the active fertilizer water ecological tank.

[0017] Figure 2 It is an external schematic diagram of the active fertilizer water ecological tank.

[0018] Figure 3 It is an internal schematic diagram of the tank body and power part of the active fertilizer water ecological tank.

[0019] Figure 4 It is an internal schematic diagram of the power part of the active fertilizer water ecological tank.

[0020] Figure 5 It is a top view schematic diagram of the triangular weir groove and the second branch liquid guide pipe of the active fertilizer water ecological tank.

[0021] Figure 6 It is a top view schematic diagram of the inclined plate filler of the active fertilizer water ecological tank.

[0022] Figure 7 It is a local schematic diagram of the triangular weir groove of the active fertilizer water ecological tank.

[0023] Figure: 1-tank body, 2-power part, 3-upper cavity, 4-lower cavity, 5-sludge backflow pipe, 6-liquid guide pipe, 7-jet device, 8-third water inlet pipe, 9-first water inlet pipe, 10-second water inlet pipe, 11-water outlet pipe, 12-filter, 13-water pump, 14-fertilizer water outlet pipe, 15-main liquid guide pipe, 16-first branch liquid guide pipe, 17-material blocking net pipe, 18-air suction pipe, 19-nozzle, 20-air guide pipe, 21-inclined plate filler, 22-second branch liquid guide pipe, 23-liquid guide cover, 24-triangular weir groove, 25-communication pipe, 26-outer cavity, 27-filter screen plate, 28-sludge discharge pipe, 29-circular table surface, 30-passing hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0025] Figures 1 to 7An embodiment of the application is shown.

[0026] Embodiment: An active fertilizer water ecological tank, comprising a tank body 1 and a power part 2, the tank body 1 is divided into an upper cavity 3 and a lower cavity 4 by a partition plate, a sludge backflow pipe 5 is arranged in the lower cavity 4, the upper end of the sludge backflow pipe 5 is in communication with the cavity bottom of the upper cavity 3, a liquid guide pipe 6 in communication with the lower cavity 4 is arranged in the upper cavity 3, a jet device 7 and a third water inlet pipe 8 are arranged in the lower cavity 4; the power part 2 is provided with a first water inlet pipe 9, a second water inlet pipe 10, a filter 12 and a water pump 13, the first water inlet pipe 9 and the second water inlet pipe 10 are respectively in communication with both sides of the filter layer of the filter 12, the second water inlet pipe 10 is in communication with the water inlet of the water pump 13, the water outlet of the water pump 13 is in communication with the jet device 7 through a water outlet pipe 11, the lower end of the sludge backflow pipe 5 is in communication with the second water inlet pipe 10, as shown, Figure 2 The connection relationship when the pipelines in the power part and the pipelines in the tank body are installed together is shown by connecting the pipelines with dashed lines. One end of the third water inlet pipe 8 is arranged below the water pump 13, and the other end is in communication with the second water inlet pipe 10. The tank body 1 is provided with a fertilizer water outlet pipe 14 in communication with the upper cavity 3 near the top. The filter 12 can well intercept impurities in sewage, and the filter 12 can be a self-cleaning grid. The application realizes on-site resource utilization of rural sewage, and changes sewage into efficient farmyard manure, that is, solves the problem of rural sewage treatment and provides high-quality farmyard manure for crop growth. The device realizes aerobic aeration, anoxic section stirring and sludge backflow through a water pump 13, has low operation energy consumption and simple operation and maintenance. The fertilizer water tank is specially designed for rural sewage resource utilization, converts sewage into high-quality water and fertilizer through directional microbial technology, and is suitable for rural settlements, small farms, ecological parks and the like. Organic matter in sewage is removed by directional cultivation of aerobic microorganisms, the organic matter is decomposed into carbon dioxide and water, phosphorus in the sewage is converted into ionic state which is easy for plants to absorb, and nitrogen in nitrogen-containing organic matter is converted into nitrate nitrogen which is easy for plants to absorb. The sludge containing the cultivated microorganisms is used in the tank body 1, the mixed solution after microbial reaction enters the upper cavity 3 through the liquid guide pipe 6, then is precipitated in the upper cavity 3, the microorganisms are separated from water, and the microorganisms continue to react in the biochemical system. The supernatant is used as nutrient solution for water culture crops after disinfection, or is used for irrigation of farmland, and at the same time, the use of fertilizer can be reduced.

[0027] The liquid guide pipe 6 comprises a water pump main liquid guide pipe 15 and a first branch liquid guide pipe 16. The water pump main liquid guide pipe 15 is vertically arranged in the upper cavity 3. The upper end of the water pump main liquid guide pipe 15 is close to the cavity top of the upper cavity 3. The upper end of the water pump main liquid guide pipe 15 is open, and the lower end is closed. The upper end of the first branch liquid guide pipe 16 is in communication with the water pump main liquid guide pipe 15, and the lower end is arranged in the lower cavity 4.

[0028] The lower end of the first branch liquid guide pipe 16 is provided with a material blocking net pipe 17. By arranging the material blocking net pipe 17, small objects which are not completely decomposed cannot enter the first branch liquid guide pipe 16, avoiding accumulation in the first branch liquid guide pipe 16 or the water pump main liquid guide pipe 15, causing blockage.

[0029] The middle part of the partition plate is funnel-shaped downwardly recessed, and the upper end of the sludge backflow pipe 5 is connected with the upper side of the middle part of the partition plate. With the funnel-shaped partition plate, sludge which is precipitated in the upper cavity 3 can be gathered towards the center of the partition plate, so that the sludge can be backflowed through the sludge backflow pipe 5 and re-enter the lower cavity 4 for biochemical reaction.

[0030] The air suction pipe 18 is vertically arranged in the tank body 1, the upper end of the air suction pipe 18 is arranged on the upper side of the tank body 1, the lower end of the air suction pipe 18 sequentially passes through the upper cavity 3 and the partition plate, and is connected with the air inlet of the jet flow device 7 in the lower cavity 4. The jet flow end of the jet flow device 7 is connected with the nozzle 19, and the nozzle 19 is arranged above the third water inlet pipe 8. By arranging the air suction pipe 18, air can be sucked into the jet flow device 7, and the air is pumped by the water pump 13 to be used as power water of the jet flow device 7. The mixed liquid of the jet flow device 7 forms gas-water mixed liquid with saturated dissolved oxygen under the action of the jet flow device 7.

[0031] The edge of the upper cavity 3 is connected with the top of the lower cavity 4 through the air guide pipe 20, and the upper end of the air guide pipe 20 is arranged close to the cavity top of the upper cavity 3. By arranging the air guide pipe 20, air in the lower cavity 4 can be discharged to the upper cavity 3 through the air guide pipe 20 when the liquid gradually fills the lower cavity 4.

[0032] The upper part of the upper cavity 3 is provided with the inclined plate filler 21, the upper part of the inclined plate filler 21 is horizontally provided with the second branch liquid guide pipe 22, the upper end of the water pump main liquid guide pipe 15 is covered with the liquid guide cover 23, one end of the second branch liquid guide pipe 22 is connected with the inside of the liquid guide cover 23, the other end of the second branch liquid guide pipe 22 is connected with the cavity wall of the upper cavity 3, and the lower side of the second branch liquid guide pipe 22 is provided with a liquid outlet hole. The main function of the inclined plate filler 21 is to improve the processing capacity and efficiency of the upper cavity 3 for precipitation. The inclined plate filler 21 is mainly made of ethylene-propylene copolymer material. The upper part is provided with a reasonable precipitation section for precipitation distance, and the lower part is controlled in geometry, so that the lower part of the inclined plate forms a stable contact sludge section, and the purpose of separating sludge and water is achieved through contact action and shallow pool precipitation mechanism. The inclined plate filler 21 is multifunctional and efficient, and has the advantages of convenient installation and disassembly, adjustable distance between inclined plates, unlimited connection length, and various specifications and sizes of filler support rods of the inclined plate filler 21. According to different parameter requirements of the inclined plate filler 21, the inclined plate filler 21 can be matched to realize different requirements of the distance and angle between the inclined plate fillers 21. By arranging the liquid guide cover 23 and the second branch liquid guide pipe 22, the mixed liquid entering the upper cavity 3 can be distributed to each position of the inclined plate filler 21.

[0033] The cavity wall of the middle part of the upper cavity 3 is provided with a circular truncated cone 29, the diameter of the upper end of the circular truncated cone 29 is larger than that of the lower end, the inclined plate filler 21 is installed on the circular truncated cone 29, and the middle part of the inclined plate filler 21 is provided with a through hole 30. By means of the circular truncated cone 29, the inclined plate filler 21 is installed in an inclined manner, and in the process of sedimentation, the sludge is gradually gathered towards the center of the partition plate, so that the sludge is conveniently recovered.

[0034] The upper cavity 3 is provided with a ring-shaped triangular weir groove 24 above the inclined plate filler 21, the fertilizer water outlet pipe 14 is arranged on the lower side of the triangular weir groove 24, and the groove bottom of the triangular weir groove 24 is connected with the fertilizer water outlet pipe 14 through the communication pipe 25. By arranging the triangular weir groove 24, the upper clear liquid can enter the triangular weir groove 24, then enter the fertilizer water outlet pipe 14 through the communication pipe 25, and the discharged fertilizer water can be used as fertilizer after sterilization.

[0035] The filter 12 is provided with a filter cavity, the filter layer is a filter screen plate 27, the filter screen plate 27 divides the filter cavity into an inner cavity and an outer cavity 26, the first water inlet pipe 9 is connected with the inner cavity, and the second water inlet pipe 10, the third water inlet pipe 8 and the sludge return pipe 5 are all connected with the outer cavity 26; the filter cavity is further connected with a sludge discharge pipe 28 connected with the inner cavity. By arranging the filter screen plate 27, when the sewage enters the second water inlet pipe 10, the sewage is intercepted in the inner cavity by the filter screen plate 27. When the filter 12 needs to be cleaned, the sludge or sewage in the third water inlet pipe 8 or the sludge return pipe 5 can flow from the outer cavity 26 to the inner cavity in a reverse direction to perform backwashing on the filter screen plate 27, and the impurities in the backwashing can be discharged through the sludge discharge pipe 28.

[0036] The whole sewage resourceization process of the present application is as follows: step S1, adding sludge containing microorganisms into the upper cavity 3; step S2, starting the water pump 13 to pump the sewage from the first water inlet pipe 9 into the filter 12, after filtration, mixing the sludge left in the sludge return pipe 5 together to enter the lower cavity 4 through the second water inlet pipe 10 and the water outlet pipe 11, and then being sprayed out through the jet device 7 and the nozzle 19; step S3, when the lower cavity 4 is initially empty, all the mixed slurry liquid gradually fills the lower cavity 4 to perform aerobic biochemical reaction, as the liquid in the lower cavity 4 increases, the liquid oxygen below the nozzle 19 is gradually consumed, and the anaerobic biochemical reaction is started, and the liquid below the nozzle 19 enters the outer cavity 26 of the filter 12 along the third water inlet pipe 8 to mix with the sewage and sludge; step S4, after the liquid in the lower cavity 4 is filled, the liquid enters the upper cavity 3 along the first branch liquid guide pipe 16, the water pump main liquid guide pipe 15 and the second branch liquid guide pipe 22 to perform sedimentation; step S5, when the water level in the upper cavity 3 increases to the position of the triangular weir groove 24, the upper clear water enters the triangular weir groove 24, and then is discharged through the communication pipe 25 and the fertilizer water outlet pipe 14 to be used as fertilizer after sterilization.

[0037] While the application has been described with reference to numerous specific embodiments, it will be understood that various other modifications can be effected within the spirit and scope of the application. More specifically, many variations and modifications will be apparent to those skilled in the art from the disclosure, drawings and claims. For example, although specific configurations and arrangements are discussed, other arrangements can be utilized. For example, the same or different type of electrical components or other components can be used. Further, the subject combination layout can be implemented in hardware and / or software having associated data and data representatives. Also, while the application has been stated in terms of specific embodiments, it is not intended that the application be limited to the specific embodiments used in the preferred arrangements. Rather, it is intended that the scope of the application be defined by the claims appended hereto and equivalents thereof.

Claims

1. An active fertilizer water ecological tank, characterized in that, The utility model provides a kind of sludge treatment device, including tank (1) and power part (2), the tank (1) is separated by partition and forms upper cavity (3) and lower cavity (4) in, the lower cavity (4) is provided with sludge backflow pipe (5), the upper end of the sludge backflow pipe (5) is communicated with the cavity bottom of the upper cavity (3), the upper cavity (3) is provided with and the lower cavity (4) is communicated with liquid guide pipe (6), the lower cavity (4) is provided with jet flow device (7) and third water inlet pipe (8);The power part (2) is provided with first water inlet pipe (9), second water inlet pipe (10), filter (12) and water pump (13), the first water inlet pipe (9) and second water inlet pipe (10) are communicated with the filter layer two sides of filter (12) respectively, the second water inlet pipe (10) and the water inlet of water pump (13) are communicated, the water outlet of water pump (13) is communicated with jet flow device (7) by water outlet pipe (11), the lower end of the sludge backflow pipe (5) and the second water inlet pipe (10) are communicated, one end of the third water inlet pipe (8) is placed in the lower of water pump (13), and the other end is communicated with the second water inlet pipe (10), the tank (1) is close to the position of top and is provided with and the upper cavity (3) is communicated with fertilizer water outlet pipe (14).

2. The active fat-water ecological tank according to claim 1, characterized in that: The liquid guide pipe (6) includes water pump main liquid guide pipe (15) and first branch liquid guide pipe (16), the water pump main liquid guide pipe (15) is vertically arranged in the upper cavity (3), the upper end of the water pump main liquid guide pipe (15) is close to the cavity top of the upper cavity (3), the upper end of the water pump main liquid guide pipe (15) is opened, and the lower end is closed, the upper end of the first branch liquid guide pipe (16) is communicated with the water pump main liquid guide pipe (15), and the lower end is placed in the lower cavity (4).

3. The active fat-water ecological tank according to claim 2, characterized in that: The lower end of the first branch liquid guide pipe (16) is provided with a material blocking net pipe (17).

4. The active fat-water eco-tank according to claim 1, characterized in that: The middle part of the partition is funnel-shaped downwardly recessed, and the upper end of the sludge backflow pipe (5) is communicated with the upper side of the middle part of the partition.

5. The active fat-water eco-tank according to claim 1, characterized in that: The air suction pipe (18) is vertically arranged in the tank (1), the upper end of the air suction pipe (18) is placed on the upper side of the tank (1), the lower end sequentially passes through the upper cavity (3) and the partition, and is communicated with the air inlet of the jet flow device (7) in the lower cavity (4), the jet flow end of the jet flow device (7) is connected with a nozzle (19), and the nozzle (19) is placed above the third water inlet pipe (8).

6. The active fat-water eco-tank according to claim 1, characterized in that: The edge of the upper cavity (3) is communicated with the top of the lower cavity (4) through the air guide pipe (20), and the upper end of the air guide pipe (20) is arranged close to the cavity top of the upper cavity (3).

7. The active fat-water eco-tank according to claim 2, characterized in that: The upper part of the upper cavity (3) is provided with an inclined plate filler (21), a second branch liquid guide pipe (22) is horizontally arranged above the inclined plate filler (21), a liquid guide cover (23) is arranged on the upper end of the water pump main liquid guide pipe (15), one end of the second branch liquid guide pipe (22) is communicated with the inside of the liquid guide cover (23), the other end is communicated with the cavity wall of the upper cavity (3), and the lower side of the second branch liquid guide pipe (22) is provided with a liquid outlet hole.

8. The active fat-water eco-tank according to claim 7, characterized in that: The cavity wall of the middle part of the upper cavity (3) is provided with a circular truncated cone (29), the diameter of the upper end of the circular truncated cone (29) is larger than that of the lower end, the inclined plate filler (21) is installed on the circular truncated cone (29), and the middle part of the inclined plate filler (21) is provided with a through hole (30).

9. The active fat-water eco-tank according to claim 1, characterized in that: The upper cavity (3) is provided with a triangular weir groove (24) in the form of a ring above the inclined plate filler (21), the fertilizer water outlet pipe (14) is arranged on the lower side of the triangular weir groove (24), and the groove bottom of the triangular weir groove (24) is connected with the fertilizer water outlet pipe (14) through a communication pipe (25).

10. The active fat-water eco-tank according to claim 1, characterized in that: The filter (12) is provided with a filter cavity, the filter layer is a filter screen plate (27), the filter screen plate (27) divides the filter cavity into an inner cavity and an outer cavity (26), the first water inlet pipe (9) is connected with the inner cavity, and the second water inlet pipe (10), the third water inlet pipe (8) and the sludge return pipe (5) are all connected with the outer cavity (26); the filter cavity is further connected with a sludge discharge pipe (28) connected with the inner cavity.

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