2002results about "Sludge treatment" patented technology

The invention relates to the technical field of sewage treatment, and discloses spodumene flotation tailing water treatment equipment which comprises a plate-and-frame filter press and a feed flow real-time control system electrically connected with the plate-and-frame filter press. According to the system, a slurry characteristic coefficient, a power supply coefficient, a dynamic matching coefficient and a filter cloth state coefficient are respectively obtained in real time through a slurry state evaluation module, a power evaluation module, a process dynamic matching module and a filter cloth state evaluation module. And dynamically calculating and adjusting the target feeding flow by the feeding flow adjusting and controlling model according to the coefficients. According to the invention, through multi-parameter collaborative sensing and intelligent matching, the dynamic adaptation of the feed flow, the slurry characteristics, power supply and the state of the filter cloth is realized, the technical problems of poor adaptability, control lag, easy damage of the filter cloth and high energy consumption of the traditional plate-and-frame filter press under complex working conditions are effectively solved, and the treatment efficiency and the operation stability are remarkably improved.

The invention discloses a desilting robot with dewatering and packaging functions, and relates to the field of mud-water separation devices.The desilting robot comprises a frame, the frame can be installed on self-propelled transportation equipment and is fixedly provided with a first mud-water bin with an upper opening and a second mud-water bin of a box structure, and an installation box is installed above the first mud-water bin; a vibration box is installed in the vibration box through an elastic assembly, a first filter plate and a second filter plate which are used for repeatedly filtering muddy water are arranged in the vibration box in a staggered mode, the extrusion bin is installed at the end, where mud blocks fall, of the vibration box, and an extrusion mechanism used for extruding the mud blocks is arranged in the extrusion bin; and a water return port is formed in the top end of the first muddy water bin towards the bottom end of the extrusion bin. The dewatering efficiency is remarkably improved, the water content of mud blocks is reduced, the dewatered mud blocks are extruded to further reduce the water content of the mud blocks, discharged mud cakes can reach the standard of direct bagging and transportation, and leakage pollution in the transportation process is effectively avoided.

The invention discloses a self-adaptive adjustment magnetic separation-membrane filtration coupling sewage treatment system and a self-adaptive adjustment magnetic separation-membrane filtration coupling sewage treatment method. The system comprises a pretreatment unit, a magnetic separation core unit, a self-adaptive intermediate buffer unit, a membrane filtration unit and a sludge treatment unit which are communicated in sequence. The core of the system is that a plurality of on-line sensors are linked through a central control system, water quality parameters are monitored in real time, the adding amount of magnetic powder and a coagulant, the rotating speed of a stirrer, the membrane flux, the backwashing period and a cleaning program are adjusted in a self-adaptive mode, and intelligent cooperation and accurate regulation and control of magnetic separation and membrane filtration processes are achieved. According to the invention, the problems of easy membrane pollution, high magnetic powder consumption, high operation cost and dependence on manual operation in the traditional process are effectively solved, the service life of the membrane is obviously prolonged, the operation and maintenance cost is reduced, and the effluent quality is stable and meets the high-standard discharge or reuse requirement.

The utility model discloses a sludge in-situ curing treatment device for river regulation construction, which comprises a main shaft provided with a protective sleeve, a pesticide spraying component arranged at the bottom of the protective sleeve, a plurality of groups of stirring devices arranged on the main shaft, sludge separating plates symmetrically arranged on adjacent stirring blades of the stirring devices, and sludge supporting plates arranged on the sludge separating plates and distributed oppositely. The mud separating plate and the mud supporting plate are distributed in a linear mode in the height direction of the main shaft, a medicine injection space is formed by the mud separating plate and the mud supporting plate, and the medicine spraying assembly is provided with a liquid medicine spray head matched with the medicine injection space. Sludge is divided by the sludge dividing plates welded on the stirring blades in the rotating direction of the stirring blades, then the sludge is supported by the sludge supporting plates, finally, a chemical injection space is formed behind the sludge supporting plates, the sludge is divided into a space at the position, and at the moment, a curing chemical is sprayed to the sludge space from the chemical spray head after passing through the corrugated pipe from the chemical inlet pipe; and the curing agent is sprayed deep in the sludge, so that the agent mixing effect is improved.

The invention discloses a dynamic balance sludge centrifugal dehydrator based on feeding compensation, and relates to the technical field of sludge dehydration, in particular to the dynamic balance sludge centrifugal dehydrator based on feeding compensation. Comprising a machine frame, a rotatable centrifugal dewatering barrel installed on the machine frame, a detection module used for detecting an unbalance signal generated when the centrifugal dewatering barrel rotates in real time and a sludge feeding mechanism, and the feeding mechanism can adjust the feeding direction and the feeding amount of sludge according to the result of the detection module in the centrifugal dewatering process. The method is used for compensating the unbalance amount in the centrifugal dewatering process, and dynamic balance in the dewatering process is achieved. Through design of sludge feeding, sludge in the centrifugal dewatering barrel is distributed more uniformly, dynamic balance of the centrifugal dewatering machine in the dewatering process is realized, and the centrifugal dewatering barrel can rotate at a higher rotating speed during dewatering, so that the dewatering effect of the centrifugal dewatering machine is improved.

The utility model relates to a device for continuously reciprocating multi-position folding and filter-pressing sludge by using filter cloth. The device comprises a feeding system, a pre-pressing system, a folding system, a filter-pressing system and a cleaning system, the feeding system, the pre-pressing system and the folding system are distributed from inside to outside to form at least two sludge pre-treatment systems, and every two sludge pre-treatment systems are symmetrically distributed to form a folding unit; the two sludge pre-treatment systems of each folding unit are connected through continuous filter cloth, the pre-pressing system and the folding system of each sludge pre-treatment system are both connected with the filter cloth, and the feeding system is located above the filter cloth; the two filter pressing systems correspond to the two folding systems of the folding unit respectively; the cleaning system can be used for continuously cleaning the filter cloth. The device disclosed by the utility model can realize the process of continuously folding the filter cloth back and forth in two folding systems and continuously treating sludge, and belongs to the technical field of dehydration of sludge, coal slime, food and the like.

The invention discloses a grading reaction crystallization recovery process and system for semiconductor fluorine-containing and phosphorus-containing waste liquid, the fluorine-containing and phosphorus-containing waste liquid and a lime solution react in a fluorine recovery crystallization reactor under the condition that the pH is 3-4 to form calcium fluoride crystals, and the calcium fluoride crystals are dehydrated to obtain calcium fluoride particle crystal products; the effluent of the fluorine recovery crystallization reactor, the calcium fluoride crystal dehydration filtrate, the lime solution and the calcium chloride solution react in a secondary reaction tank under the condition that the pH is 5-6, and calcium fluoride, fluorapatite, silicon dioxide and silicon-aluminum precipitates are removed through coagulation, flocculation and precipitation; effluent of the second-stage reaction tank, the lime solution and the calcium chloride solution react in the phosphorus recovery crystallization reactor under the condition that the pH is 7-8 to generate hydroxyapatite crystals, and the hydroxyapatite crystals are dehydrated to obtain hydroxyl calcium phosphate particle crystal products. Meanwhile, a high-purity calcium fluoride crystal product and a hydroxyl calcium phosphate crystal product are produced, and fluorine and phosphorus are recycled.

The invention relates to a recyclable easily-degradable macromolecular surfactant for cleaning oily sludge and application of the recyclable easily-degradable macromolecular surfactant. The macromolecular surfactant is prepared by taking acrylamide, methacrylic acid long-chain alkyl ester and tertiary amino substituted methacrylate as raw materials through free radical polymerization. The macromolecular surfactant is dissolved in water to prepare a cleaning solution, and oily sludge can be efficiently eluted. CO2 and N2 are sequentially introduced into the oil-containing emulsion after the oil-containing sludge is cleaned, or diluted hydrochloric acid and a diluted alkali aqueous solution are sequentially added, the hydrophilic-hydrophobic property of the macromolecular surfactant is changed through pH regulation and control, separation of the macromolecular surfactant and an oil phase is achieved, petroleum resources are recycled, and recycling of the cleaning solution containing the macromolecular surfactant is achieved. The residual macromolecular surfactant in the cleaned deoiled sludge can be degraded under the action of environmental microorganisms.

The invention provides an efficient softening and hardness-removing process for a high-hardness water body, which is applied to the technical field of water body purification. The efficient softening and hardness-removing process comprises a pretreatment mechanism, a softening reaction mechanism, a flocculent precipitation mechanism and a sludge closed-loop treatment mechanism which are sequentially connected along a water body treatment flow direction, the efficient softening and hardness-removing process for the high-hardness water body comprises the following raw water treatment steps: S1, treating raw water by virtue of the pretreatment mechanism, so as to obtain ultrafiltration effluent; and S2, the ultrafiltration effluent enters the softening reaction mechanism, and under the control of the electric cabinet control mechanism, chemicals are added for softening and flocculation reaction. The total hardness removal rate can reach more than 90% through accurate addition of the medicament, two-stage pH control and optimization of reaction conditions, which is far superior to that of a traditional resin ion exchange method, the influence of high-hardness water discharge on receiving water is reduced, ecological and health problems caused by excessive hardness of the water are avoided, and the harsh requirements of industrial production and environmental protection on soft water are met.

The utility model provides an efficient sewage treatment system for high-calcium wastewater, which comprises a biological decalcification unit and a biochemical treatment unit, the bottom of a first anaerobic tank of the biological decalcification unit is communicated with the top of a first anoxic tank, the bottom of the first anoxic tank is communicated with a first aerobic tank, and the first aerobic tank is communicated with a first sedimentation tank; the bottom of a second anaerobic tank in the biochemical treatment unit is communicated with the top of a second anoxic tank, and the bottom of the second anoxic tank is communicated with a second aerobic tank; the first sedimentation tank is communicated with the upper part of the second anaerobic tank. The sewage treatment system is based on two-stage A2O, most of calcium ions in water are removed through first-stage A2O, decalcification treatment is carried out, a basis is provided for COD removal, denitrification and other biochemistry through second-stage A2O, the biological treatment effect of high-calcium wastewater is improved, meanwhile, sludge is screened and concentrated through the cyclone device, residual sludge is subjected to resourceful treatment, and the treatment effect of the high-calcium wastewater is improved. And the effects of reducing the cost, improving the efficiency and recycling resources are achieved.

The invention discloses a horizontal squeezing dehydrator, which belongs to the technical field of squeezing dehydrators, and comprises a rack, a filter pressing device, a filter cloth group and a driving device, a feeding area, a filter pressing area and a discharging area are arranged on the rack; the filter cloth group can move among the feeding area, the filter pressing area and the discharging area, and comprises first filter cloth and second filter cloth; the driving device comprises a first driving mechanism and a second driving mechanism, the first driving mechanism drives the first filter cloth to move, and the second driving mechanism drives the second filter cloth to move; the filter pressing device comprises a pressing plate assembly, a power mechanism and a filter plate, the pressing plate assembly comprises a first pressing plate and a second pressing plate, and the first pressing plate, the second pressing plate and the filter plate are all vertically arranged; the first pressing plate, the filter plate and the second pressing plate are used for sequentially bypassing the filter cloth group in an up-and-down reciprocating manner, so that the first filter cloth and the second filter cloth are attached to each other in the filter pressing area. The filter plates are vertically arranged and arranged in the horizontal direction, different from a vertical sludge squeezing dehydrator, the squeezing pressure is not limited, the dehydration effect is good, the mud cake thickness is small, and the water content is low.

The invention relates to the technical field of heavy metal pollution treatment, and particularly discloses a biochar material and method for adsorbing heavy metals in wormcast. The biochar material for adsorbing the heavy metals in the wormcast adopts waste green tea residues as a raw material, and after being soaked in a phosphoric acid solution with the mass concentration of 38-42%, the biochar material is subjected to heat treatment at the temperature of 540-560 DEG C to obtain P-BC powder. The P-BC powder is soaked in a metal salt solution with the total metal ion concentration being 0.8-1.2 mol / L, and under the action of a precipitator, the LDH-coated P-BC material is obtained. The LDH-coated P-BC material is mixed with a ferric chloride hexahydrate solution and a NaBH4 aqueous solution for reaction to obtain the biochar material for adsorbing the heavy metals in the wormcast, so that the fixing and stabilizing effects of the biochar material on the heavy metals in the wormcast are improved.

The invention discloses a centrifugal machine for sludge dewatering, belongs to the technical field of sludge dewatering, and aims to solve the problems that when the centrifugal machine for sludge dewatering is used, sludge on the inner wall of a rotary drum can be gradually compacted to form a filter cake layer, particles in the filter cake layer easily form a bridging structure at an inlet of a through hole, and the sludge dewatering efficiency is affected. A controller is arranged on the outer wall of the supporting frame, a cylinder is arranged in the supporting frame, one side of the cylinder communicates with a drainage pipe, a first driving assembly is arranged in the cylinder, a dewatering assembly is arranged on one side of the first driving assembly, a second driving assembly is arranged in the cylinder and rotationally connected with the cylinder, and a sewage pumping assembly is arranged at the top of the supporting frame. According to the invention, dual blockage clearing of crushing blockages by the conical rod and purging by high-pressure gas is conveniently realized, shutdown disassembly is not needed, continuous smoothness of the water outlet hole is guaranteed, stable efficiency of centrifugal dewatering is maintained, and the dewatering effect is enhanced.

The invention provides a polysilicate aluminum zirconium coagulant as well as a preparation method and application thereof, and relates to the technical field of solid waste recycling. The preparation method of the polysilicate aluminum zirconium coagulant comprises the following steps: S1, activation preparation of a polysilicate solution; S2, introduction and pre-complexation of a metal salt solution; and S3, alkalization induced polymerization and curing. According to the invention, the efficient charge neutralization capability of zirconium and aluminum metal ions and the long-chain network structure characteristic of polysilicic acid are organically combined through a copolymerization reaction by molecular design, the developed polysilicate aluminum zirconium coagulant can maintain a good coagulation effect in a wide pH range, is suitable for treating residual sludge with different sources and properties, and has a good coagulation effect under the dosage of 7.5%. The CST value is reduced to 35.4 s from 190.7 s, the water content of a filter cake is reduced to 77.4%, and the Zeta potential is-8.2 mV, so that the polysilicate aluminum ferric coagulant is obviously superior to a traditional polysilicate aluminum ferric coagulant, and has the advantages of high operation flexibility, good process stability and good application prospect.

The utility model relates to the technical field of sludge dewatering, and discloses a filter cloth recycling and cleaning device which comprises a mounting frame, two groups of filter cloth overlapped up and down, a tensioning mechanism arranged along the central axis of the mounting frame, a cleaning mechanism, a low-vacuum water suction box, a leveling assembly and two groups of sludge scraping plates, the two groups of filter cloth penetrate into the mounting frame from one end of the mounting frame and sequentially penetrate through the leveling assembly, the low-vacuum water suction box, the cleaning mechanism and the tensioning mechanism; the cloth rolling mechanism penetrates out of the mounting frame from the other end of the mounting frame, separates one group of filter cloth, sequentially penetrates through the mud scraping plate, the tensioning mechanism, the cleaning mechanism and the low-vacuum water suction box and then reaches the leveling assembly. The two layers of filter cloth for clamping and conveying sludge are separated, sequentially pass through the sludge scraping plate, the tensioning mechanism, the cleaning mechanism and the low-vacuum water suction box and then are recycled to the cloth rolling mechanism on the leveling assembly, the sludge residues remaining on the filter cloth are automatically removed in various modes for removing the sludge residues on the filter cloth, and the reuse efficiency of the recycled filter cloth is improved.

The invention relates to the technical field of sludge treatment devices, in particular to an efficient sludge centrifugal dewatering treatment system and method. The efficient sludge centrifugal dewatering treatment system comprises a rotary drum, a connecting pipe and a dewatering mechanism. The rotary drum comprises a conical pipe, and the dewatering mechanism comprises a dewatering assembly and an adjusting assembly. The dewatering assembly comprises a movable auger and an opening plate. When the rotary drum is blocked, materials in the rotary drum need to be discharged outwards, the opening plate moves in the direction away from the axis of the connecting pipe, the differential speed between the movable auger and the rotary drum is gradually increased, and the blocked materials can be actively pushed outwards through generated larger torque. And the displacement of the movable auger towards the first end of the conical pipe is gradually increased, so that materials can be discharged more quickly, the blockage problem is efficiently solved, meanwhile, continuous operation without shutdown is realized, and the operation efficiency of the dehydration equipment is remarkably improved. The invention provides an efficient sludge centrifugal dewatering treatment system and method, and aims to solve the problem that an existing dewatering machine cannot be automatically cleaned when being blocked.

The utility model discloses a dehydrator for livestock and poultry manure, relates to the technical field of manure dehydration, and provides the following scheme aiming at the problems that in the prior art, along with gradual extrusion dehydration of the manure, the manure is easy to cake in a cylinder, and the difficulty of discharging the cake-shaped manure is increased, the dehydrator comprises a bottom plate, and a conveying cylinder is arranged above the bottom plate; and a spiral conveying roller is rotationally connected into the conveying cylinder. The spiral conveying roller rotates, excrement in the conveying cylinder is conveyed and extruded towards the conical pipe, the dehydrated excrement is gradually extruded into cakes to be stacked in the discharging ring along with continuous conveying and extruding of the excrement, the rotating rod rotates, then the connecting pipe, the connecting rod and the discharging ring rotate, and the excrement is discharged through the discharging ring. The different discharging rings are sequentially located between the baffle and the conical pipe, when the discharging ring with cake-shaped excrement is located on one side of the baffle, the push rod motor stretches out and draws back, and the cake-shaped excrement is pushed out of the discharging ring through the push plate.

The invention relates to the technical field of livestock breeding, in particular to mutton sheep breeding manure dehydration type treatment equipment which comprises a mixing barrel, a trapezoidal box is fixedly connected to the rear side of the top end of a manure dehydration box, a conveying barrel is fixedly connected to the interior of the front end of the manure dehydration box, and a power auger is arranged in the conveying barrel; the right end of the conveying cylinder is fixedly connected with a dewatering cylinder, the right end of the dewatering cylinder is fixedly connected with a dewatering extrusion cylinder, the outer end of the dewatering extrusion cylinder is provided with an extrusion assembly, the trapezoidal box is internally provided with a sliding assembly, the extrusion assembly and the sliding assembly are used for extruding and dewatering excrement, and the bottom end of the excrement dewatering box is fixedly connected with a supporting leg frame. A manure water tank and a manure tank are arranged on the right side of the manure dewatering tank; the manure tank is positioned on the right side of the manure water tank. As the excrement is dehydrated for three times, the excrement is dehydrated more thoroughly, and the dehydration efficiency is improved.

The invention relates to the technical field of fermentation industrial wastewater treatment, and particularly discloses a white spirit production wastewater treatment process and system. The system comprises a pretreatment unit, an anaerobic treatment unit, a denitrification unit, a multi-stage biochemical treatment unit, an advanced treatment unit, a sludge treatment unit and a backwashing water recovery unit which are connected through a corrosion-resistant pipeline, a variable frequency pump body and a control valve group. The method comprises the following steps: homogenizing water quality and water quantity through an adjusting tank, adjusting the pH value through a neutralizing tank, pretreating through a microfilter and an air flotation device, sequentially feeding into a hydrolysis acidification tank and a two-stage UASB reactor to degrade organic matters, reducing nitrogen concentration through a denitrification unit, deeply degrading pollutants through a multi-stage biochemical system, and finally realizing up-to-standard discharge through magnetic coagulation phosphorus removal and decoloration treatment. The sludge is subjected to resource utilization after being concentrated and dehydrated, and backwashing water and filtrate are recycled and retreated. The system is high in treatment efficiency, low in operation cost, high in resource recovery rate, stable in effluent and suitable for wastewater treatment of various white spirit production enterprises.

The invention discloses high molecular weight polyacrylamide for treating high-salinity sludge, which is prepared from the following components in parts by weight: 110 to 140 parts of acrylamide, 30 to 40 parts of acryloyloxyethyl trimethyl ammonium chloride, 20 parts of 2-acrylamide-2-methylpropanesulfonic acid, 8 to 10 parts of urea, 0.05 part of EDTA-5Na (Ethylene Diamine Tetraacetic Acid), 5 parts of N-vinyl pyrrolidone and 0.04 part of oxidation-reduction initiator. 0.05 part of a cationic free radical initiator, and 300-320 parts of deionized water. The invention also provides a preparation method of the high molecular weight polyacrylamide. According to the high-molecular-weight polyacrylamide disclosed by the invention, the synergistic salt resistance of cations and sulfonic acid groups is realized through unique molecular structure design, excellent stability and activity are still kept in a salt-containing complex water body, and efficient and thorough solid-liquid separation and dehydration purification on high-salt oil-containing sludge can be realized.

The invention belongs to the technical field of sewage purification, and particularly relates to sewage purification equipment for water resource environmental protection engineering, the sewage purification equipment comprises an annular box, a filtrate barrel, a drainage cavity, an underflushing type precipitation mechanism and a mud pressing type filtrate mechanism, the filtrate barrel is arranged on the bottom wall of the inner side of the annular box, and the drainage cavity is arranged between the annular box and the filtrate barrel; the lower flushing type precipitation mechanism is arranged on the annular box, the mud pressing type filtrate mechanism is arranged on the filtrate barrel, and the lower flushing type precipitation mechanism comprises a medicine mixing assembly, a conveying assembly and a drainage assembly. The invention provides the sewage purification equipment for the water resource environmental protection engineering, which can accelerate the precipitation of sediments on the premise of ensuring the completeness of the sediments and can monitor the circulation amount of the filter screen.

The utility model discloses a chromium-containing wastewater treatment system which comprises a concentrated chromium waste liquid treatment unit, a dilute chromium wastewater treatment unit and a recovery treatment unit, a concentrated chromium waste liquid outlet of the unit line is communicated with an inlet of the concentrated chromium waste liquid treatment unit, and a liquid outlet of the concentrated chromium waste liquid treatment unit is communicated with a liquid return port of the unit line; a dilute chromium wastewater outlet of the unit line is communicated with an inlet of the dilute chromium wastewater treatment unit, a concentrated water outlet of the dilute chromium wastewater treatment unit is communicated with an inlet of the concentrated chromium waste liquid treatment unit, and a produced water outlet of the dilute chromium wastewater treatment unit is communicated with an inlet of the recovery treatment unit; a concentrated water outlet of the recovery treatment unit is communicated with an inlet of the concentrated chromium waste liquid treatment unit, and a produced water outlet of the recovery treatment unit is communicated with an industrial water pipeline. The device has the beneficial effects that the concentrated chromium waste liquid treatment unit, the dilute chromium waste water treatment unit and the recovery treatment unit are designed, concentrated chromium waste liquid and dilute chromium waste water are treated in a quality-divided manner, and the treatment manner can reduce the addition of chemicals, improve the utilization rate of the chemicals, reduce the treatment cost, and is green and economical.

The invention relates to the technical field of sludge treatment, in particular to a sludge dewatering and filter pressing device capable of preventing mud cake adhesion and a filter pressing method thereof.The sludge dewatering and filter pressing device comprises a machine table and transverse plates fixed to the machine table and symmetrically arranged, and linear rails are arranged on the transverse plates; the multiple filter plates are distributed at equal intervals, and extension frames which are symmetrically arranged and are in sliding connection with the linear rails are arranged on the side walls of the filter plates; the translation assembly is arranged on the transverse plate, and a movable plate is connected to the translation assembly; the lifting vibration mechanism is arranged on the movable plate, the lifting vibration mechanism is connected with a loader, the movable plate is further provided with a follow-up deflection mechanism connected with the lifting vibration mechanism, and through cooperation of the lifting vibration mechanism and the follow-up deflection mechanism, the loader can be controlled to move to the position matched with the extension frame; and the mud cake on the filter plate is separated from the filter plate in a vibration and deflection motion mode.

The utility model discloses a blue-green algae mud dehydration treatment device based on a solar photothermal conversion technology, which belongs to the technical field of blue-green algae dehydration and comprises a dehydration chamber, an evaporation chamber, a collection chamber, a water storage chamber and a photovoltaic power supply system which are communicated in sequence, the dehydration chamber is located below the treatment device, the outer side of the dehydration chamber is connected with an algae mud branch pipe, and an evaporation system is arranged in the dehydration chamber and comprises an underwater heat conduction shell and a floating type composite fabric material; the evaporation chamber is positioned above the whole device; a water collecting top plate is arranged in the evaporation chamber; the floating type composite fabric material is a carbon fiber fabric modified by a nitrogen-doped carbon nano tube; the collecting chamber is positioned on one side of the evaporation chamber; and the water storage chamber is positioned below the collecting chamber. Solar energy is used as clean energy, moisture in blue-green algae is evaporated through the photothermal effect, and therefore efficient treatment of the blue-green algae is achieved, environmental pollution caused by chemical treatment can be reduced, and economic cost of blue-green algae treatment can be effectively reduced.

The utility model relates to the technical field of aged oil sludge treatment, and discloses aged oil sludge treatment equipment which is characterized in that a pipeline pump is connected with a pretreatment device through a pipeline, the pretreatment device is connected with a demulsification tempering tank through a pipeline, and the pretreatment device is connected with a heating device through a pipeline; the heating device is connected to a heating coil of the demulsification and tempering tank through a pipeline, the demulsification and tempering tank is connected with a liquid-liquid separator through a pipeline, the liquid-liquid separator is connected with an ultrasonic cleaning tank through a pipeline, the ultrasonic cleaning tank is connected with a three-phase separator through a pipeline, and the three-phase separator is connected with a water treatment machine through a pipeline. The three-phase separator is connected to the demulsification tempering tank through a pipeline; three phases of oil-water-sludge in the aged oil sludge are separated through a three-step method and reach the standard to be recycled or reused, so that the aged oil sludge is thoroughly treated at a time, and the treatment effect and efficiency of the aged oil sludge are improved.

The utility model relates to the technical field of water pollution treatment, in particular to a landscape water dialysis purification system. The system comprises a water intake pumping station, a water distribution well and a cloth filter tank, water taken by the water intake pumping station is conveyed into the water distribution well through a water inlet pipe of the water distribution well, the water inlet pipe of the water distribution well is connected with PAC and PAM pipelines, sewage is distributed into the cloth filter after being subjected to first flocculation and sedimentation in the water distribution well, PAM is added into a water outlet pipe of the water distribution well, pollutants in water are further subjected to flocculation and sedimentation in a flocculation and sedimentation section of the cloth filter, and the pollutants in the water are subjected to secondary flocculation and sedimentation. The sewage is filtered by the fiber rotary disc filter after two times of flocculating settling, and the filtered clear water can be discharged, so that the sewage is treated, the load of the fiber rotary disc filter is effectively reduced in the process, and the efficient treatment process of the sewage is ensured; sludge generated in the operation process of the system is collected and then filtered, so that the sludge produced by the system is treated.

The invention relates to the technical field of oil-containing waste treatment and resource utilization, in particular to a water-based oil sludge stripping-split-phase recycling integrated treatment method. According to the method, polyepoxysuccinic acid grafted quaternary ammonium salt chitosan is adopted as a stripping agent, and oil stains are stripped from a solid phase through ultrasonic treatment to form emulsion; the core of the method is that a temperature-sensitive response type flocculating agent, namely polyisopropylacrylamide grafted chitosan, is added during gradient heating, and the auxiliary agent is converted from hydrophilic to hydrophobic after being heated, so that efficient demulsification is realized, and oil-water-solid three-phase separation is promoted. Through the synergistic effect of the two assistants, the technical problem that the emulsion is stable and difficult to separate after stripping is solved, closed cycle of the treated water phase is realized, and high efficiency, environmental protection and economic benefits are achieved.

The invention relates to the field of sewage treatment, in particular to aquaculture sewage treatment equipment. Comprising a machine frame, a fixed frame is arranged on the machine frame, a precipitation frame and a hollow frame are installed in the machine frame, a feeding mechanism used for feeding sewage into the fixed frame is arranged on the machine frame, a first filter plate and a spiral feeder are arranged in the fixed frame, and a transfer mechanism is arranged on the fixed frame. By arranging the extrusion device composed of the filter cylinder, the pressing block and the spring, excrement and impurities which are filtered and separated out are dehydrated, the water content of the excrement and the impurities is remarkably reduced, the solid waste volume is reduced, subsequent transportation and resource utilization are facilitated, and the economic and environment-friendly benefits are improved; a second filter plate driven by a lead screw motor and a scraping plate controlled by an electric sliding rail are arranged in the sedimentation frame, sediment can be automatically lifted and discharged through a discharging frame, sludge at the bottom of the pool does not need to be manually and regularly cleaned, the labor intensity is reduced, and the dredging efficiency and the continuous operation capacity of the system are improved.

The application provides a quick dewatering type silt dewatering device for civil construction, which comprises a working box, an L-shaped plate one is arranged on one side of the outer wall of the working box, an L-shaped plate two is arranged on the other side of the outer wall of the working box, a moving assembly is arranged between the L-shaped plate one and the L-shaped plate two, a dewatering box is arranged on the moving assembly, an integrated collecting box is fixedly arranged at the bottom of the dewatering box, and an extrusion assembly is connected with the dewatering box through a discharging pipeline at one end of the dewatering box. The application has the following beneficial effects: the dewatered silt enters the extrusion assembly along the discharging pipeline, the dewatered silt is finally extruded by the extrusion assembly, the dewatered silt is extruded into a sheet-shaped block, the sheet-shaped block is finally moved and uniformly laid on the workbench by the moving assembly, the uniformly laid block is extruded again by the extrusion plate, and the effect of extruding water is more guaranteed.

The invention relates to the technical field of sludge filter pressing, in particular to a sludge filter pressing system based on automatic operation, which is characterized in that a dynamic monitoring module is used for acquiring a falling track of a filter plate according to a falling image of the filter plate so as to determine a falling expression length interval of a filter cake falling to a conveying belt; whether the filter cake falling process is abnormal or not is judged through a feature recognition module, falling state characterization vectors of the filter cake at all falling positions are constructed through an abnormality analysis module, and the filter cake recognition state is determined according to the comparison result of the falling state characterization vectors; sludge filter pressing is automatically adjusted through the filter pressing management module, pushing parameters of a high-pressure medium in a filter plate interlayer are adjusted, or the washing unit is controlled to carry out pressurized washing on characteristic marking filter cloth, and then abnormal adhesion attributes are distinguished by dynamically monitoring and analyzing a filter cake falling track and deviation characteristics; the sludge filter pressing process is self-adaptively regulated and controlled, and the continuous filter pressing stability of the sludge is improved.