104results about How to "Improve sedimentation efficiency" patented technology

The invention provides a precipitation method of a heavy metal solution. Cations in the heavy metal solution comprise nickel ions, cobalt ions, copper ions, zinc ions and manganese ions, and the precipitation method comprises the following steps: step S100, carrying out a manganese conversion reaction on an alkaline substance by adopting a solution containing manganese ions to obtain a converted manganese precipitate; s200, a stabilizing agent is adopted for carrying out a stabilizing reaction on the converted manganese precipitate, and a stable manganese precipitate is obtained; step S300, adding the stable manganese precipitate into a heavy metal solution for precipitation reaction to obtain precipitate slurry; step S400, continuously carrying out solid-liquid separation on the precipitate slurry to obtain a heavy metal precipitate and a manganese-containing solution; and S500, raw materials including the manganese-containing solution, an oxidizing agent and alkali liquor are subjected to an oxidation precipitation reaction, and a post-precipitation solution and a manganese product are obtained. The method solves the problems of poor sedimentation and filtration performance of a precipitation product, high moisture content of the precipitation product and low precipitation efficiency when heavy metals are precipitated in the heavy metal solution.

The invention belongs to the technical field of sewage treatment, and particularly relates to sewage treatment equipment for indigo blue production and a treatment method.The sewage treatment equipment comprises a sewage treatment box, a sewage outlet is formed in the bottom in the sewage treatment box, a rotating shaft is rotationally connected to the middle of the bottom in the sewage treatment box, and a driving motor is fixedly arranged at the top of the rotating shaft; a rotating rod is fixedly connected to the surface of the rotating shaft, a first cleaning plate is fixedly connected to the bottom of the rotating rod, and a cleaning assembly is arranged in the sewage treatment box and comprises a guide block; through rotation of a rotating shaft, a sliding block is driven to move up and down under the action of a guide groove and a guide column, when the sliding block is reset, a first guide rod abuts against a U-shaped block, two second cleaning plates are driven to clean all the first cleaning plates under the action of a U-shaped connecting block, and then flocculates hung on the surfaces of the first cleaning plates are scraped off; and the problem that the rotating speed of the first cleaning plate is reduced during working is solved, and the cleaning efficiency and the precipitation effect are improved.

The invention discloses multi-stage wastewater treatment equipment for fabric disinfectant production, and relates to the technical field of wastewater treatment.The multi-stage wastewater treatment equipment for fabric disinfectant production comprises a filtering bin, a shielding cover is detachably and fixedly installed at the top end of the filtering bin, and a water inlet pipe is fixedly communicated with the center of the top of the shielding cover; the auxiliary stirring mechanism comprises a rotating part which is rotationally connected to the center position of the bottom of the inner wall of the filtering bin; the compression of the supporting spring and the compression of the buffer spring are synchronously carried out, when the flow of waste water is reduced or the impact force applied by the flow to the trapezoidal block is changed, the acting force on the supporting spring and the buffer spring is reduced, and the supporting spring and the buffer spring tend to rebound upwards, so that the filter screen is further buffered through the supporting spring and the buffer spring; meanwhile, the filter screen vibrates in the using process, and the situation that the filter screen is blocked by large-particle impurities, and preliminary filtration of the wastewater is affected is avoided.

The invention discloses a safe wastewater collection box for environmental monitoring, and relates to the technical field of safe wastewater collection boxes, the safe wastewater collection box comprises a precipitation treatment structure, and the precipitation treatment structure comprises a top cover, a bottom cover and a bottom cover, one end of the containing cylinder is fixedly connected to the supporting base, the outer surface of the containing cylinder is attached to the inner surface of the pretreatment cylinder, and the opening direction of the other end of the containing cylinder is the same as the opening direction of the pretreatment cylinder; the outer surface of the inclined plate precipitation piece is attached to the inner surface of the pretreatment cylinder, the push-scraper is connected to the inclined surface of the inclined plate precipitation piece in an attached and sliding mode, and the bearing ring is fixedly connected to the dead center of the inclined plate precipitation piece and located below the push-scraper. The sewage discharge groove of the accommodating cylinder is cleaned and discharged in time, so that accumulation and re-suspension of sediments in the pretreatment cylinder are avoided.

The utility model relates to the technical field of sewage treatment devices, in particular to a chemical sewage treatment device which comprises a sedimentation tank and the like, the sedimentation tank is a main body of the sewage treatment device, an opening is formed in the top of the sedimentation tank, and supporting legs for supporting are arranged at four corners of the bottom of the sedimentation tank; the water inlet pipe is communicated with one side of the upper part of the sedimentation tank, and an electromagnetic valve I is arranged on the water inlet pipe and is used for controlling a water inlet switch of the water inlet pipe. Through the primary filter screen arranged at the opening in the top of the sedimentation tank, large suspended particles and impurities in chemical sewage can be effectively intercepted and removed, the contact and reaction speed between a sewage treatment agent and pollutants can be remarkably increased by matching the primary filter screen with the spiral stirring rod, the use efficiency of the chemical agent is improved, and the service life of the chemical agent is prolonged. And a plurality of settling ponds are sequentially connected in series, so that the sewage can be subjected to multi-stage treatment and settled, and finally, the sewage is ensured to reach the discharge standard.

The utility model discloses an aquaculture wastewater up-to-standard discharge treatment device which comprises a sludge storage tank, a solid-liquid separator, a stock solution tank, a regulating tank and an integrated aquaculture wastewater treatment device, the integrated culture wastewater treatment device comprises an up-flow anaerobic granular sludge treatment unit, an activated sludge treatment unit, a short-cut nitrification-anaerobic ammonia oxidation treatment unit and a contact oxidation treatment unit, wherein the short-cut nitrification-anaerobic ammonia oxidation treatment unit improves the sludge activity by forming hydroxyapatite carrier type anaerobic ammonia oxidation granular sludge, and realizes synchronous nitrogen removal and phosphorus recovery. The inclined tube assemblies and the hollow folded plate type precipitators are arranged in the units of the integrated treatment device, so that the precipitation water conservancy condition is improved, the precipitation effect is improved, and the effluent can meet the discharge standard of pollutants in the livestock and poultry industry. The integrated device has the advantages of compact structure, small occupied area, small aeration rate, low sludge yield and synchronous low-carbon nitrogen removal and phosphorus resource recovery.

The invention provides a beef processing wastewater circulation treatment device, and relates to the technical field of wastewater treatment.The beef processing wastewater circulation treatment device comprises a water inlet tank, the bottom of the water inlet tank fixedly communicates with a mixing tank, a stirring frame is rotationally installed in the mixing tank through a bearing, and a filling port for adding a wastewater treatment agent is formed in one side of the top of the mixing tank; an arc-shaped sieve plate is fixed to the bottom of the water inlet tank, the radian of the arc-shaped sieve plate is matched with that of the mixing tank, impurities in wastewater are screened and removed through cooperation of a reciprocating overturning sieve frame and the arc-shaped sieve plate, the impurities cannot be accumulated at one position, and the wastewater containing liquid medicine is sent back into the water inlet tank to be circularly filtered through cooperation with the mixing tank; and in the process, new wastewater can be continuously added to be mixed with wastewater containing liquid medicine, so that the efficiency of generating precipitates by reaction of fine impurities in the wastewater and the wastewater treatment agent is improved, and blockage of an internal screen frame and an arc-shaped screen plate cannot be caused.

The invention belongs to the technical field of wastewater treatment, and discloses a papermaking wastewater precipitation and recovery device for papermaking, which comprises a storage box, an extraction box positioned on the left side of the storage box, an extraction pump assembled on the top of the storage box, and an intermittent structure positioned below the extraction box, vibration cleaning structures are arranged above and inside the filtering box, under the synergistic effect of the extraction box, the filtering box and the intermittent structure, after a servo motor is started, a driving gear is driven to rotate, the driving gear is tightly meshed with an intermittent gear, the intermittent gear is promoted to start to rotate, and the vibration cleaning structures are driven to rotate along with rotation of the intermittent gear; the intermittent gear is driven to rotate, the shaft rod A connected with the intermittent gear rotates synchronously to drive the movable baffle to turn over, the movable baffle resets after rotating by 360 degrees along with continuous rotation of the intermittent gear, and according to the intermittent discharging mode, the waste water is intermittently fed into the filter box before precipitation, so that the slag content of the waste water entering the precipitation box can be greatly reduced.

The invention relates to the technical field of printing and dyeing wastewater treatment, and discloses a printing and dyeing wastewater treatment device with a multi-stage separation function, which comprises a sedimentation tank, an auxiliary separation assembly arranged at the top of the sedimentation tank and used for assisting in sedimentation of printing and dyeing wastewater, and an amplitude adjusting assembly arranged above the sedimentation tank and used for adjusting the sliding amplitude of the auxiliary separation assembly, an anti-blocking assembly used for guaranteeing smooth drainage is arranged in the sedimentation tank, through the arrangement of an auxiliary separation assembly and an amplitude adjusting assembly, continuous flapping action can be achieved, regular physical disturbance is generated in wastewater, pollutant particles can be better gathered and precipitated in the printing and dyeing wastewater, and through the continuous physical disturbance, the pollutant particles can be effectively separated from the sedimentation tank. According to the device, pollutants in the printing and dyeing wastewater can be settled in a short time, so that compared with a traditional settling pond, the settling efficiency is greatly improved, the retention time of the wastewater in the settling pond is shortened, and the treatment capacity of a whole printing and dyeing wastewater treatment system is improved.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a copper-containing wastewater treatment device and method. A cavity is formed in the sedimentation tank, a motor is fixedly connected to the bottom of the cavity, a power shaft is arranged at the output end of the motor, a first cylinder is rotationally connected to the top of the cavity through a circular groove, an auger piece is fixedly connected to the power shaft and makes contact with the inner wall of the first cylinder, and an L-shaped cylinder is rotationally connected to the top of the first cylinder; one end of the L-shaped cylinder is obliquely arranged downwards, and the top of the sedimentation tank is fixedly connected with the downwards arranged end of the L-shaped cylinder through a fixing block; the sedimentation tank is divided into an upper layer and a lower layer, so that the sedimentation efficiency of sediments is improved under the same occupied area, meanwhile, a power gear is linked with a stirring plate and an L-shaped scraping plate, matched with a plugging ring, a lifting plugging ring and other parts, uniform diffusion of a precipitator and efficient synchronization of sedimentation and liquid treatment are achieved, flexible regulation and control can be achieved, and the overall sedimentation efficiency is improved.

This invention relates to a method for constructing a biodegradable mangrove ecological island based on dynamic tidal energy regulation, and an artificial island siltation device. The artificial island siltation device includes a bamboo gate system, a hemp rope net system, a fixed pile system, and a limiting system. A dynamic filtration structure is formed by the liftable bamboo gate and the hemp rope net. Utilizing the buoyancy difference and water flow velocity changes generated by tidal rise and fall, a synergistic effect is achieved: accelerating the passage of sediment-laden water during high tide and promoting siltation during low tide. A fully biodegradable material is used to construct a growing silt body. The buoyancy balance is regulated by the bamboo joint holes, ensuring the device remains suspended on the surface layer of the silt body. This allows for continuous siltation and elevation of the tidal flat, forming an artificial island that provides a site for mangrove seedling planting and meets the required daily sunrise duration for mangrove growth. The method and device of this invention have technical advantages such as low construction cost, dynamic adaptation to tidal changes, and avoidance of secondary pollution.

The utility model relates to a kind of environment-friendly sewage sedimentation pretreatment device, it is related to sewage treatment technical field, including pre-sedimentation tank, the upper portion of the pre-sedimentation tank is provided with separation cylinder, the front end of the separation cylinder is installed with sewage inlet pipe in one side, the upper portion of the separation cylinder is installed with separation water outlet pipe, the bottom of the separation cylinder is installed with sludge discharge pipe by connecting pipe, one end of the sludge discharge pipe is equipped with first motor, the other end of the sludge discharge pipe is equipped with sludge discharge port, the inside of the pre-sedimentation tank is equipped with multiple equidistant distribution and parallel inclined plate, the bottom of the pre-sedimentation tank is conical structure, and the bottom of conical structure is equipped with sludge discharge cavity, the lower end of one side of the sludge discharge cavity is installed with second motor, the inside of the sludge discharge pipe and sludge discharge cavity is all installed with auger mechanism, and the scheme solves the problem that a large number of and complex component impurity particles in sewage are not treated directly to deposit, and the problem that the deposition effect is poor and the burden of deposition equipment is increased.

The backwashing type high-turbidity water sedimentation tank comprises a sedimentation tank body with an upward opening, a distributed water inlet mechanism is arranged on the outer side of the sedimentation tank body, and a sedimentation backwashing mechanism is arranged at the bottom in the sedimentation tank body; the dispersed water inlet mechanism comprises a dispersed water inlet buffer box body fixedly connected to the outer side of the sedimentation tank body, and a plurality of dispersed water inlet open grooves communicated with the interior of the dispersed water inlet buffer box body are formed in the side wall of the sedimentation tank body; a dispersed water inlet overflow groove body is fixed on one side, far away from the sedimentation tank body, of the dispersed water inlet buffer tank body, and is communicated with the interior of the dispersed water inlet buffer tank body through a dispersed water inlet overflow open groove; wherein the distributed water inlet mechanism can more uniformly and stably convey to-be-treated high-turbidity water into the sedimentation tank body, so that the sedimentation effect is prevented from being influenced by non-uniform water distribution; according to the linkage type inclined plate sedimentation mechanism, the sedimentation area is increased by utilizing a plurality of sedimentation blocking inclined plates, and the sedimentation distance of suspended particles is shortened, so that the sedimentation efficiency is improved.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.

The utility model relates to the field of building wastewater treatment, and discloses a recycling device for building construction wastewater, which comprises a device main body, the upper end of the device main body is communicated with a dosing pipe, the middle of the device main body is communicated with a water inlet pipe, and the lower end of the device main body is communicated with a water outlet pipe; an output shaft of the stirring motor is connected with a stirring shaft through a speed reducer, one end of the stirring shaft extends into the device main body and then is connected with a stirring paddle, the stirring paddle comprises four U-shaped stirring blades which are symmetrically arranged along the stirring shaft, the overlook projection of the stirring paddle is cross-shaped, and a filter plate is fixed at the position, below the stirring shaft, in the device main body. When the device is used, wastewater settled by the settling pond enters the device main body through the water inlet pipe, liquid medicine is added into the wastewater through the medicine adding pipe, the mixing speed of the wastewater and the liquid medicine is increased, treated clear water is conveyed to the clear water pond through the water outlet pipe, and the treated clear water can be used for construction site flushing, concrete stirring, spraying dust falling and the like.

The utility model discloses a device for preparing a leather tanning agent by recycling chromium-containing wastewater, which comprises an equipment base and a recycling sedimentation tank, the recycling sedimentation tank is mounted on the equipment base, and a uniform reactant moving and throwing structure is mounted on the recycling sedimentation tank; the utility model relates to the technical field of waste water recovery equipment, and has the beneficial effects that the problems that in the existing waste water treatment, reactants are directly and manually fed into chromium-containing waste water for reaction and precipitation, but fixed feeding is mostly adopted, so that the reactants are not fully mixed with the waste water, the precipitation efficiency of chromium ions and the quality of tanning agents are influenced, and the production cost is high are solved; and the problems that the operation complexity and the energy consumption are increased due to the fact that the sediment directly sinks at the bottom of the reaction tank, cleaning and maintenance are inconvenient, and an integrated movable throwing and sediment discharging system is lacked are solved.

Aiming at the problems of inaccurate sediment monitoring, extensive sludge discharge control, low dosing accuracy and the like of the traditional sedimentation tank, the invention provides a visual monitoring and model-driven sediment prediction and sludge discharge control method and system for a sedimentation tank. The method comprises the following steps: visual monitoring: collecting images of a sedimentation tank through an underwater camera device, identifying interface characteristics of bottom mud, and constructing a bottom mud thickness distribution thermodynamic diagram in combination with an inverse distance weighted interpolation method; parameter acquisition: acquiring operation parameters such as water inlet flow, raw water turbidity, pH value and the like in real time; model-driven prediction: establishing a BP neural network model coupled with multiple variables, a mud yield model and a multi-dimensional coupled bottom mud distribution prediction model; and intelligent sludge discharge control: generating an optimization instruction of sludge discharge frequency, quantity and area based on a prediction result, and controlling sludge discharge operation. According to the invention, bottom mud monitoring automation and mud discharge control refinement are realized, the precipitation efficiency is improved, and the operation cost is reduced.

The utility model relates to the technical field of desulfurization tower recovery equipment, in particular to a desulfurization tower gypsum recovery system which comprises a base support, a sediment box installed on the base support and an oscillating device connected to the sediment box, a chemical dosing device is detachably connected to the sediment box and comprises a chemical storage box and a spraying head, and the chemical storage box is detachably connected with the oscillating device. A hook is integrally formed on one side of the medicine storage box, the medicine storage box is hung on the side wall of the sediment box through the hook, a medicine adding opening is formed in the top end of the medicine storage box, the spraying head is communicated with the medicine storage box, and a plurality of spraying holes are formed in the spraying head; the multi-stage settling tank is arranged for filtering and recycling gypsum, and the oscillator is used for accelerating solid-liquid separation, so that the settling efficiency is improved; meanwhile, automatic feeding of the medicine is achieved by arranging the medicine feeding device, the medicine storage amount is detected in real time through a medicine sensor, automatic quantitative feeding is achieved, and therefore gypsum precipitation is accelerated, production time and energy consumption are saved, and the production cost is reduced.

The application discloses a rotary inclined plate sedimentation tank and relates to the field of sewage treatment equipment. The rotary inclined plate sedimentation tank comprises a sedimentation tank body, a water inlet structure, a rotary inclined plate structure, a sludge collecting hopper and a water outlet structure. The inclined plate structure adopts a rotatable inclined plate device. The rotatable inclined plate device can rotate periodically due to the rotating force generated by the screw propeller at the end of the rotary inclined plate in the process of water flow and the rotating force generated by the uneven gravity distribution of sludge on the rotary inclined plate. Therefore, the sludge can be smoothly settled without being limited by the inclination angle, the sedimentation efficiency is improved, and the traditional sludge blockage phenomenon of the inclined plate is avoided.

The utility model relates to the technical field of biological medicine, and discloses a biological medicine globulin liquid medicine extraction device which comprises a base, a fixing frame is fixedly connected to the left side of the top of the base, a centrifugal machine is fixedly connected to the top of the fixing frame, and a conical feeding pipe is fixedly connected to the top of the centrifugal machine. A conveying pipeline is fixedly connected to the right side of the fixing frame, a fixing frame is fixedly connected to the exterior of the conveying pipeline, an arc-shaped block is slidably connected to the interior of the conveying pipeline, a filtering frame is fixedly connected to the bottom of the arc-shaped block, and a reaction tank is rotatably connected to the right side of the conveying pipeline. According to the globulin extraction device, globulin does not need to be exposed in the air in the extraction process, more time and labor are saved through the globulin extraction device, pollution of globulin extraction liquid can be avoided, the precipitation efficiency and the dissolution efficiency of globulin liquid can be greatly improved, and then the extraction efficiency can be greatly improved.

The invention relates to the technical field of water treatment, in particular to an integrated denitrification device for concentrated salt wastewater, which is mainly used for treating inorganic nitrogen and ammonia nitrogen in wastewater. The device is divided into an upper layer part and a lower layer part, the upper layer part comprises a coagulation grid, a flocculation grid, a first sedimentation grid and a second sedimentation grid, and the lower layer part is an SBR reaction tank. By adding the coagulant and the flocculant, suspended matters and colloidal substances can be effectively removed from the upper layer part, and good conditions are provided for subsequent denitrification. And the SBR reaction tank at the lower layer has efficient denitrification performance. The device is provided with an automatic control system, operation parameters can be adjusted according to actual requirements, and stable effluent quality is guaranteed. The device is compact in structure, simple and convenient to operate, small in occupied area, low in energy consumption and capable of reducing construction cost and operation cost. And remote management and monitoring can be realized through the remote monitoring system. When the tail water reaches a certain amount, the alarm is triggered automatically, the tail water is prevented from overflowing, and the treatment efficiency is improved.

The utility model discloses efficient precipitation integrated equipment for treating industrial wastewater. The efficient precipitation integrated equipment comprises a coagulation zone, a flocculation zone, a transition zone, a precipitation zone, a water outlet device and a sludge discharge system, a water inlet pipe is arranged at the upper part of the coagulation area and is connected with a coagulation dosing pipe; a central cylinder is arranged in the middle of the flocculation area, a flocculation dosing pipe is arranged at the top of the central cylinder, the bottom of the coagulation area is communicated with the bottom of the central cylinder, the top of the central cylinder is communicated with the flocculation area, the bottom of the flocculation area is communicated with the bottom of the transition area, the transition area is separated from the sedimentation area through a baffle, and the sedimentation area is communicated with the bottom of the coagulation area. The top of the baffle is provided with a notch communicating the transition area and the settling area. The efficient precipitation integrated equipment for treating industrial wastewater has the advantages of small occupied area, high treatment efficiency, good effect, small dosage and stable operation.

The utility model relates to metallographic sample preparation equipment. Comprising a sample preparation device, a spray head is arranged on the sample preparation device, the purification mechanism comprises a water collecting tank, a solution inlet and a solution outlet are formed in the two ends of the water collecting tank respectively, the solution inlet is connected with a liquid outlet of the sample preparation device, and the solution outlet is connected with the spray head. The interior of the water collecting tank is divided into a plurality of settling areas, the settling areas are sequentially distributed in the direction from the solution inlet to the solution outlet, every two adjacent settling areas are communicated, and an electromagnet is arranged in at least one settling area. The sample preparation device is connected with the water collecting tank, flushing fluid is sequentially settled in the settling area of the water collecting tank, the electromagnet in the settling area can effectively remove fine scrap iron in the solution, and purified water can be recycled, so that water resources are recycled.

This utility model discloses an environmentally friendly wastewater filtration device, relating to the field of wastewater treatment technology. It includes a fixed base plate and a treatment assembly. The fixed base plate is an integrated structure, with a supporting column installed on the left end of its upper surface. The treatment assembly is located on top of the supporting column and includes a sludge sedimentation tank, a supporting top plate, a servo motor, a connecting shaft, a stirring rod, a connecting frame, a scraper, a sludge discharge pipe, and a sludge pump. The sludge sedimentation tank is located on top of the supporting column, with the upper surface of the supporting column tightly connected to the lower surface of the sludge sedimentation tank. The supporting top plate is installed on the upper inner side of the sludge sedimentation tank, and a servo motor is installed on the upper surface of the supporting top plate. This environmentally friendly wastewater filtration device, through the treatment assembly, facilitates sludge pretreatment, preventing sludge from clogging the filtration mechanism. The filtration assembly enables the device to fully filter wastewater and facilitates cleaning of the filtration mechanism.

The utility model relates to the technical field of mine water treatment, in particular to a mine water purification sedimentation tank which comprises a tank body, the inside of the tank body is divided into a mixing tank and a separation tank, a water inlet pipe is arranged at the top of the rear side wall of the mixing tank, a chemical feeding pipe is arranged at the top of the side wall of the mixing tank, and a spray head is arranged at an outlet of the chemical feeding pipe. A stirring part is mounted on the mixing tank, an overflow port is formed in the top of the front side of the separation tank, an inclined plate is arranged in the separation tank, a sludge collecting hopper is arranged at the bottom, located at the separation tank, of the tank body, the sludge collecting hopper is communicated with a sludge outlet groove through a sludge outlet formed in the bottom, and a sludge outlet pipe is connected to the front end of the sludge outlet groove. And the outlet end of the sludge outlet pipe is connected with the feeding hole of the sludge pump. The improved mine water purification sedimentation tank solves the problems of low efficiency and difficult mud cleaning of a traditional sedimentation tank through the mixing tank, the separation tank, the stirring piece, the mud collecting hopper, the mud pump and the like, and is particularly suitable for purification treatment of mine water.

The invention provides a food sewage treatment device, and relates to the technical field of sewage treatment.The food sewage treatment device comprises a fixed plate fixedly connected in a reaction box, the fixed plate is provided with a communicating opening for sediment to pass through, and the reaction box is divided into a mixing cavity and a sediment cavity through the fixed plate; a communicating plate is rotationally connected to the end, close to the mixing cavity, of the fixing plate, a sealing opening staggered with the communicating opening is formed in the communicating plate, a cleaning plate is rotationally connected into the precipitation cavity, the cleaning plate is arranged in a spiral shape, and the cleaning plate is attached to the bottom wall of the precipitation cavity; a decontamination opening communicated with the precipitation cavity is formed in the reaction box, and the decontamination opening is communicated with the precipitation cavity. According to the invention, sediments at the bottom of the reaction box can be removed without shutdown, and disturbance of sewage in the reaction box during sedimentation due to continuous water feeding can be reduced.