3610results about "Settling tanks feed/discharge" patented technology

The invention discloses tea juice treatment equipment, and relates to the technical field of tea juice treatment. The device comprises a separation net provided with a through hole, a cutter head and a dial wheel plate crushing assembly which are coaxially arranged up and down, an adjustable magnetic coupling driving part composed of an electromagnet and a planetary gear, a bidirectional flow centrifugal separation chamber, a filter element fine filtration cavity and a non-stop screw deslagging mechanism. Flushing wastewater is actively pre-crushed and then tangentially guided to a centrifugal cavity, and solid and liquid are rapidly separated under the synergistic effect of centrifugal force and suction pressure difference; a liquid phase is subjected to center suction, refined filtration, clarification and discharge, and a solid phase settles along the inner wall and is automatically conveyed to the outside for sealed collection. According to the system, the rotating speed is adjusted in a closed-loop mode through online particle monitoring, load self-adaption and low-energy-consumption operation are achieved, filter screen blockage, shutdown cleaning and peculiar smell diffusion are avoided, and the system is suitable for on-site up-to-standard treatment of tea residue sewage in the peak period of a catering store.

The utility model discloses a sand cleaning assembly, which relates to the technical field of sand cleaning equipment and comprises a sand discharging pipe and an adjusting device. The sand discharging pipe comprises an outer pipe and an inner pipe penetrating through the outer pipe, a sand discharging channel is formed between the inner side of the outer pipe and the outer side of the inner pipe, and one end of the inner pipe is externally connected with high-pressure water flow; the adjusting device is used for extending the sand discharging pipe into the tank body or pulling the sand discharging pipe out of the tank body; when the sand removal tank is used, sediments in the tank body are pumped out through the sand removal channel between the outer pipe and the inner pipe, and in order to improve the sand removal efficiency of the tank body, high-pressure water flow is sprayed into the tank body through the inner pipe, so that sand and sludge deposited in the tank body are impacted, the sediments adhered or accumulated in the tank body are dispersed, and the sediments can be conveniently discharged through the sand removal pipe; and the adjusting device can adjust the position of the end part of the sand discharging pipe in the tank body, so that the sand cleaning area is enlarged, and the sand cleaning efficiency and the sand cleaning effect are improved.

The invention discloses a sewage treatment sedimentation tank disinfection device, which relates to the technical field of sewage treatment, comprising: a sedimentation tank body and a cross bridge erected on the sedimentation tank body, a dosing assembly is further arranged at the center of the sedimentation tank body, the sedimentation tank body comprises an outer circle concrete enclosure and an inner circle water reservoir, a clean water trough is arranged on the top of the concrete enclosure, the water reservoir is arranged in a circular shape, which is convenient for accumulating sewage, the dosing assembly comprises a central supporting shaft, a hollow disc is rotatably mounted on the supporting shaft, dosing cantilevers are symmetrically arranged on both sides of the hollow disc for delivering liquid medicine, and the length of the dosing cantilever is less than the radius of the water reservoir, and the present application can push two dosing cantilevers to rotate continuously on the water reservoir as the hollow disc rotates, and the liquid medicine released downward by the dosing cantilever can be evenly spread on the water reservoir, thereby ensuring uniform dosing, facilitating the disinfection of sewage and accelerating flocculation.

The invention in at least one embodiment includes a system for treating water having an intake module, a vortex module, a disk-pack module, and a motor module. In at least one embodiment, a water system includes vortex housing having an interior wall defining a vortex chamber in fluid communication with the expansion chamber of the disk-pack turbine and inlets into the vortex chamber, and the vortex chamber having an upper section with a bowl or modified concave hyperbolic shape into which fluid is received from the inlets and a lower section with a conical or funnel shape with a steep vertical angle of change that opens into expansion chamber. In at least one further embodiment, the disk-pack module includes a disk-pack turbine having a plurality of disks having at least one waveform present on at least one of the disks.

The invention discloses a method for cooperatively regulating and controlling the self-dilution water quantity of a thickener through a rotary mixing drum, relates to the technical field of thickener feeding wells and dilution modes thereof, and aims at solving the problems that the addition quantity of dilution water in the feeding wells is reasonably controlled, the sedimentation effect is poor due to unreasonable flocculation concentration and the like. The method comprises the following steps: S1, setting program parameters of a control system according to design indexes of a specific thickener; s2, when the thickener runs, the control system collects the concentration of the slurry entering the thickener in real time by controlling the ore pulp concentration meter, and further collects the flow of the slurry entering the thickener in real time through the ore pulp flow meter; the adaptability of the thickener in the aspects of feeding concentration and flow fluctuation is improved, the defect that an original fixed dilution opening cannot adjust the dilution water amount is overcome, the flocculation effect of a feeding well is improved, flocculant consumption is reduced, and the fractal dimension of flocs is improved, so that the comprehensive benefits of the thickener are improved.

An equipment for in-situ restoration of sediment, including an amphibious platform and following devices provided on the amphibious platform: a screw suction device, one end of which is hinged to one end of the amphibious platform, and the other end can extend into the sediment for sucking up the sediment; a dehydration device that is provided downstream of the screw suction device and communicates with one end of the screw suction device; a sediment treatment device that is provided downstream of the dehydration device for treating the sediment and processing it into a planting base; a grass blanket processing device that is provided downstream of the sediment treatment device for planting submerged plants on the planting base to form a submerged grass blanket; a grass blanket paving device, one end of which is close to the grass blanket processing device, and the other end extends toward the screw suction device and into the water; a drainage pipe that respectively communicates with the dehydration device and the sediment treatment device; and a hopper through which the sediment is conveyed between the dehydration device and the sediment treatment device. In the invention, the highly polluted sediment is subjected to bio-safety disposal to form a planting base for the growth of submerged vegetation, so as to realize the in-situ restoration of the sediment of rivers and lakes.

The utility model discloses a sewage treatment sludge discharge device with a stirring mechanism, which comprises a top platform, a stirring adjusting component and a self-cleaning component, a support frame is arranged at the top of the top platform, and adjusting motors in the stirring adjusting component are symmetrically arranged at the top of the support frame. A stirring mechanism of the device is composed of a stirring motor, a conveying strip and a stirring frame, the stirring frame is driven by the stirring motor to rotate, a flocculation agent added by a feeding pump is more rapidly mixed in a water body, meanwhile, the position of the stirring frame is adjusted in cooperation with a stirring adjusting assembly, the mixing speed of stirring is increased, the flocculation and sedimentation process is accelerated, and the flocculation and sedimentation efficiency is improved. The sewage treatment efficiency of the device is improved; colloidal particles are condensed into large particles, the large particles settle to the bottom of the water body and become sludge which can be accumulated at the bottom end of the interior of the treatment shell, the deposited sludge is scraped into the sewage draining exit through the self-cleaning assembly to be discharged, the automatic sludge discharging effect is achieved, manual participation in the sludge discharging process is not needed, and the practicability of the device is improved.

The invention discloses a flotation and settling separation device and an air flotation treatment system.The flotation and settling separation device comprises an air flotation tank and a pressure container tank, a drainage pump is arranged at the right end of the air flotation tank, hollow shells are arranged at the top of the air flotation tank, and a first motor is arranged at the right end of each hollow shell; the output end of each first motor is connected with a long threaded rod, the outer side of the long threaded rod is spirally connected with a moving block, the top end of the moving block is provided with a connecting rod, the two connecting rods are connected through a hollow strip, and the lower end in the hollow strip is provided with a scraping strip; the right end of the air floatation tank is provided with a waste tank; a triangular plate is arranged in the middle below the inner side of the waste tank; discharging pipes are arranged on the front and rear sides of the bottom of the waste tank. According to the flotation and settling separation device for treating the tobacco wastewater and the air flotation treatment system, manual scum scraping can be avoided, and the situation that the scum is not completely scraped at a time due to the fact that the scraping strip goes deep into the air flotation tank and the depth of the scraping strip entering the water surface is not enough is avoided.

The present invention relates to the field of wastewater treatment technology, and more particularly to a process and apparatus for separating and recovering chromium and lead ions from wastewater. The apparatus comprises a flotation sedimentation tank equipped with an inlet pipe and a drain pipe, a feeding mechanism, and a dispersion mechanism. The flotation sedimentation tank is used to receive the wastewater to be treated. The feeding mechanism is disposed within the flotation sedimentation tank and is used to inject a reactant, a collector, and aeration gas into the flotation sedimentation tank. The dispersion mechanism is connected to the feeding mechanism and is used to disperse the reactant, collector, and aeration gas within the flotation sedimentation tank so that they come into full contact with the wastewater. The process comprises: introducing a reactant into the wastewater to cause the chromium ions and lead ions to react, respectively, to produce a chromium precipitate and a lead precipitate; introducing a collector into the wastewater to cause the lead precipitate to combine with the collector to impart hydrophobicity; aerating the wastewater to cause the lead precipitate to form froth; and separating and recovering the froth from the chromium precipitate. The present invention can achieve simultaneous separation and recovery of chromium and lead ions from wastewater, achieving high separation and recovery rates.

The invention discloses sludge discharge equipment with a backwashing anti-blocking structure for sewage treatment, which is based on the traditional screw propulsion sludge discharge principle, and is characterized in that a sludge discharge channel is horizontally arranged at the bottom of a sludge collecting hopper, horizontal screw propulsion sludge discharge is carried out by virtue of a spiral auger, and sewage is filtered out from a plurality of filter holes horizontally arranged at the bottom end of a sludge discharge pipe in a barrier-free manner; as the internal space of the sludge discharge pipe is gradually reduced towards the sludge discharge end, the extrusion force of pushing on the sludge is increased, the sludge is gradually compressed in the efficient water filtering process, the subsequent forming and sludge discharge are facilitated, in addition, the sludge discharge channel is arranged to be in an up-and-down overturning type, the sludge discharge channel is regularly rotated, and the up-and-down positions of the sludge inlet and the filter holes are exchanged; a plurality of groups of backwashing spray pipes are used for backwashing the filter holes, water flows into the sludge discharge channel, and sewage in the sludge discharge channel is effectively discharged towards one side of the sludge inlet in an inclined downward manner under the driving of the reverse rotation of the spiral auger, so that the internal structure of the sludge discharge channel is cleaned, and blockage is prevented.

The utility model provides an ecological restoration device for a river channel, which belongs to the technical field of ecological restoration and comprises a support. The first connecting seat is fixedly connected to the lower end of the bracket; the second connecting seat is fixedly connected to the upper end of the bracket; the first rotating rod is rotationally connected to the first connecting seat, and a first chain wheel is fixedly connected to the first rotating rod; the second rotating rod is rotationally connected to the second connecting base, the scraping plate driven by the motor is used for desilting work, the device can efficiently remove sludge and floating objects in a river channel, through the design of the scraping plate and the operation mode of the device, it can be ensured that a riverbed is thoroughly cleaned, meanwhile, interference to the water body and riverbed ecology is reduced, and the water quality is improved. Therefore, the river channel can be kept unblocked, the water quality can be improved, and a healthy living environment can be provided for aquatic organisms.

The invention discloses sewage treatment and purification equipment, which relates to the technical field of sewage treatment and comprises a treatment tank and a purification mechanism, the purification mechanism comprises a mixing structure, a filtering structure, a purification structure, a blow-off pipe and a plugging structure; the filtering seat and the cleaning structure are matched to filter impurities in the sewage, and the purifying structure can purify and filter the sewage added with a purifying agent; a filtering structure, a fan-shaped moving plate, a connecting ring, a limiting ring, a limiting rod, a first rack, a transmission gear and a second rack are matched to align a blocking plate with the filtering structure and block a filtering seat, so that a top tank and a bottom tank are divided into two areas, impurity precipitates can be discharged from the top tank, the filtering structure is prevented from being blocked by impurities, and the service life of the filtering structure is prolonged. The flocculation treatment and purification efficiency of the purification structure is improved, a worker does not need to close the treatment tank for disassembly and maintenance, the labor intensity of the worker is reduced, and the use effect of the sewage treatment and purification equipment is improved.

The present application relates to the technical field of filter press equipment, and discloses a drainage collection device for a diaphragm filter press, comprising a frame and a body installed on the outer wall of the top of the frame, the bottom of a water collecting box is inclined, a sewage pipe is provided on the outer wall of the bottom of the downwardly inclined end of the water collecting box, a filter screen is provided on the inner wall of the bottom of the water collecting box directly above the sewage pipe, a scraper is installed in the inner cavity of the water collecting box, and a cleaning mechanism for driving the scraper to move and scrape is installed on the outer wall of the water collecting box. In the utility model, the cleaning mechanism is provided, and the scraper can be driven to move toward the upwardly inclined end of the water collecting box, and the scraper can scrape the sludge impurities deposited at the bottom of the water collecting box to the slag discharge port, so that the sludge falls into the slag discharge box, and then the driving motor drives the rotating shaft and the threaded conveying blades to rotate to discharge the sludge impurities. Compared with the prior art, the impurities deposited in the water collecting box can be cleaned in time to avoid the impurities from being deposited and emitting odor after long-term use.

The invention relates to the technical field of wastewater treatment, in particular to water treatment plant reverse osmosis wastewater treatment equipment and method.The water treatment plant reverse osmosis wastewater treatment equipment comprises a precipitation barrel used for wastewater precipitation, a drainage opening is formed in the annular barrel wall of the precipitation barrel, and a sewage outlet used for discharging precipitates is formed in the bottom wall of the precipitation barrel; the filter pressing unit is arranged in the precipitation barrel, is used for separating the wastewater from the precipitation, and comprises a filter pressing part which can move up and down and is arranged in the precipitation barrel. The filter pressing unit adopted by the invention can filter precipitates generated after wastewater treatment, the precipitates do not need to stand, the wastewater treatment efficiency is effectively improved, the treated wastewater can be discharged in real time in the filtering process, and the step of discharging the wastewater through a water pump is reduced.

The utility model discloses a leachate discharge disposal system which comprises a leachate conveying system and a liquid storage pool communicated with the output end of the leachate conveying system, and the leachate conveying system comprises a conveying device, an impurity smashing device and a filtering device; the water outlet end of the conveying system is communicated with the liquid storage tank, and a deslagging mechanism and a dredging mechanism are arranged in the liquid storage tank. The conveying device is arranged to dredge the cylinder body in time, the impurity smashing device is used for cutting and refining waste residues, and the filtering device is arranged to prevent large impurities from forming clamping stagnation; the slag discharging mechanism is arranged to periodically and orderly discharge sediments, the slag discharging efficiency is improved, the dredging device is arranged to discharge floating objects, meanwhile, blockage caused by accumulation of the floating objects can be dynamically prevented, and use is convenient and fast.

The utility model discloses a hydraulic reciprocating mud scraper, which belongs to the technical field of mud scrapers and comprises a clarification tank, a support is mounted at one end of the top of the clarification tank, a hydraulic push rod is mounted on the support, an output end of the hydraulic push rod is connected with a scraper component, the scraper component slides in the clarification tank, and a desilting bin is arranged at the bottom of the other end of the clarification tank. A discharge port of the desilting bin is connected with a sludge pump, lifting assemblies are installed at the four corners of the clarification tank, sliding rods are installed at the tops of the two lifting assemblies located on one side, and sliding rod bases for supporting the sliding rods are arranged at the bottoms of the sliding rods. The mud scraper is easy to operate, the lifting assembly is arranged and can be matched with the telescopic base, after mud scraping is completed, the scraper assembly can be lifted through the lifting assembly in the pulling-back process, mud at the bottom is prevented from being scraped back in the pulling-back process, and mud accumulation is reduced; and through cooperation of the sliding rod and the limiting sliding rod, the moving direction can be limited to a certain degree when the scraper assembly slides, and the accuracy of the advancing route of the scraper assembly is kept.

The invention discloses an anodic oxidation production wastewater treatment system, which relates to the field of sewage treatment. The anodic oxidation production wastewater treatment system comprises a sedimentation tank, wherein a booster assembly and a roller are arranged in the sedimentation tank, and a medicine adding bucket, a grid plate and an aeration pipe are also arranged in the sedimentation tank. A multi-level grid plate is arranged in the sedimentation tank to slow down the flow of sewage, and the sewage is aerated in combination with the aeration pipe to help accelerate the coagulation and precipitation of flocs in the sewage. In addition, a booster assembly is arranged to pressurize the sedimentation environment, increase the dissolved oxygen content in the sewage, and make the sewage produce more bubbles when rolling to help the flocs connect and coagulate with each other, and settle quickly after being blocked by the multi-level grid plate. Finally, an installation frame moving along the bottom wall of the sedimentation tank is arranged to cooperate with a flippable side plate and a rolling plate, so as to scrape off the settled sludge and roll it under pressure through the roller, thereby reducing the water content of the sludge, thereby reducing the water content of the sewage discharge, and facilitating the treatment of the sludge.

A thickener apparatus with automatic flocculation, sedimentation, and flow-guide functions, comprising: a thickener body (1), wherein a raw material inlet (3) and a flocculant inlet (4) are communicatively arranged in the top of the thickener body (1); a first rotating shaft (7), which is rotatably arranged in the thickener body (1), wherein a flow-guide plate (8) is arranged on the first rotating shaft (7), and a stirring rod (10) is arranged on the first rotating shaft (7); and a crushing cylinder (5), which is arranged in the thickener body (1), wherein a crushing assembly is arranged in the crushing cylinder (5).

The flow stabilizing device comprises a feeding pipe, a vertical discharging pipe, a reverse feeding barrel and a guide plate, the upper end and the lower end of the discharging pipe are each of an opening structure, and the barrel wall of the reverse feeding barrel is arranged on the outer side of the discharging pipe; the lower end of the barrel wall is connected with the pipe wall of the discharging pipe in a watertight mode through the barrel bottom, the upper end of the barrel wall is higher than the upper end of the discharging pipe, and a feeding port communicated with the feeding pipe is formed in the lower portion of the barrel wall. And the guide plate is wound between the pipe wall of the blanking pipe and the barrel wall of the reverse feeding barrel in a spiral ascending manner. The flow stabilizing device provided by the utility model can effectively stabilize the flow of the ore pulp before the ore pulp enters the concentration tank of the concentration system, so that the ore pulp can be sufficiently flocculated, and the concentration effect is remarkably improved.

The invention relates to the technical field of water treatment devices, and particularly provides an aerobic granular sludge precipitation screening device which comprises a particle generator, a forced water inlet system, a water outlet system and a sludge discharge system. The continuous flow aerobic granular sludge precipitation screening device has the beneficial effects that the sludge screening strength is improved by improving the water inlet load of the partial continuous flow aerobic granular sludge precipitation screening device; the light flocculent sludge is actively eliminated so as to improve the particle proportion, and controllable discharge of the light flocculent sludge is realized.

The invention relates to the technical field of wastewater treatment, in particular to a process and device for separating and recycling chromium and lead ions in wastewater, the device comprises a flotation sedimentation tank provided with a water inlet pipe and a water outlet pipe, a feeding mechanism and a dispersing mechanism, the flotation sedimentation tank is used for containing wastewater to be treated, and the feeding mechanism is arranged in the flotation sedimentation tank; the feeding mechanism is connected with the flotation sedimentation tank and used for injecting reactants, collecting agents and aeration gas into the flotation sedimentation tank, and the dispersing mechanism is connected with the feeding mechanism and used for dispersing the reactants, the collecting agents and the aeration gas into the flotation sedimentation tank to make full contact with wastewater. The process comprises the following steps: introducing a reactant into the wastewater, so that chromium ions and lead ions respectively react to generate a chromium precipitate and a lead precipitate; a collecting agent is introduced into the wastewater, so that the lead precipitate is combined with the collecting agent to obtain hydrophobicity; aerating the wastewater to enable the lead precipitate to form floating foam; and separating and recovering the floating foam and the chromium precipitate. The method can realize synchronous separation and recovery of chromium and lead ions in wastewater, and is high in separation rate and recovery rate.

The utility model relates to the field of sewage treatment, and discloses a sewage treatment secondary sedimentation tank scum cleaning device which comprises a secondary sedimentation tank body, lifting structures are arranged in the secondary sedimentation tank body, a filter screen plate is arranged between the lifting structures, an overturning structure is arranged at the bottom end of the filter screen plate, and a decontamination structure is arranged at the top of the filter screen plate. The dirt removing structure comprises sliding grooves symmetrically formed in the top, reset springs are installed at the front ends of the interiors of the two sliding grooves through screws, sliding blocks are arranged at the rear ends of the two reset springs and located in the corresponding sliding grooves, a same connecting plate is welded to the tops of the two sliding blocks, and a holding groove is formed in the top of the connecting plate in a penetrating mode; a scraper is mounted at the bottom of the front end of the connecting plate through a bolt. The sewage treatment device has the following advantages and effects that the two motors are used for controlling the screw rod and the lifting sliding block to be meshed and driven, so that the filter screen plate is guided to synchronously lift, impurities attached to the surface of sewage are taken away, and the problem of cleaning omission is avoided.

Systems and methods involving filtration are disclosed. A filtration device includes a first opening, a second opening, and a vortical filter, the vortical filter comprising a rib. The rib may be configured to generate vortices to keep the filtered particles in suspension and to provide a flow path extending from the first opening to the second opening. The filtration device may filter particle from the fluid by cross-flow filtration along the flow path across a filter media surrounding at least a portion of the circumference of the vortical filter. The filtration device may be effective at filters greater than 90% of microplastics mass when post-filtered to 10 microns when measured using the method of either of Example 1 or Example 2. The filtration device may be effective at filtering particles from the fluid at high flow speeds, such as flow speeds greater than 50 cm / sec or greater than 100 cm / sec.

The embodiment of the invention discloses a thickener overflow water treatment system and method, and relates to the technical field of solid-liquid separation. The treatment system comprises a sedimentation tank, a clean water tank, a desilting device and a turbidimeter, the sedimentation tank is arranged at the side part of the thickener and is communicated with the clarified water containing part of the thickener through an overflow pipe; the desilting device comprises a first main water pipe, a first main air pipe and a desilting pump; the first main water pipe is communicated with the first water pump and connected with a first branch water pipe, and a water flow nozzle is arranged on the first branch water pipe; the first main air pipe is communicated with the air source pump and is connected with a first branch air pipe, and the first branch air pipe is provided with an airflow nozzle; the inlet end of the desilting pump is communicated with the bottom of the sedimentation tank, and the outlet end of the desilting pump is communicated with a feeding cylinder of the thickener; the turbidimeter is arranged in the sedimentation tank and is used for monitoring the concentration of particulate matters in the overflow water of the thickener in the sedimentation tank. The method is suitable for thickener overflow water treatment scenes.

The utility model relates to the technical field of sedimentation tank sludge treatment, and discloses a sewage sedimentation tank sludge treatment device which comprises a sewage sedimentation tank main body, a sedimentation chamber is arranged in the sewage sedimentation tank main body, and an arc-shaped plate is fixedly arranged on the inner wall of the sedimentation chamber. An arc-shaped plate is arranged on the inner wall of the bottom side of the settling chamber, two slope side plates are fixedly arranged between the arc-shaped plate and the inner wall of the bottom side of the settling chamber, a rotating groove is formed among the arc-shaped plate, the two slope side plates and the settling chamber, a sludge collecting barrel is rotationally arranged in the rotating groove, and a rotation driving mechanism for the sludge collecting barrel is arranged on one side of the sewage settling tank main body. Sewage and sludge flowing into the sludge collecting cylinder are synchronously conveyed to the corresponding discharge ports in the sludge collecting cylinder from the two ends through the sludge discharge driving mechanism, and then the sludge is discharged out of the sewage sedimentation tank main body through the discharge pipe, so that the sludge in the sewage sedimentation tank main body is treated; the sludge treatment working efficiency of the sewage sedimentation tank main body is improved.

The invention relates to a tunnel gushing wastewater recycling device, and belongs to the field of tunnel construction wastewater treatment equipment. Comprising a sedimentation tank, a conveying chain and a scraper, conveying chains are arranged on the front inner side face and the rear inner side face of the sedimentation tank respectively, and rotating shafts are rotationally installed between the two conveying chains and arranged along the conveying chains at intervals; a scraping plate is arranged on the rotating shaft, and filtering holes are formed in the scraping plate; one end of the connecting rod is fixedly connected with the rotating shaft, and the other end of the connecting rod is provided with a second guide wheel; guide grooves are formed in the front inner side wall and the rear inner side wall of the sedimentation tank, and the first guide wheel and the second guide wheel are embedded in the guide grooves; the scraping plate forms a filtering surface after being dumped above the sedimentation tank, wastewater is filtered for the first time, filtered substances can be automatically conveyed out leftwards, sediments in the sedimentation tank are gradually scraped off through the scraping plate in the sedimentation tank, water can automatically flow back into the sedimentation tank in the scraping process, and the sedimentation tank is prevented from being scraped off. Therefore, the water content in the discharged sediment is effectively reduced.

The invention relates to the technical field of sludge treatment, in particular to a sedimentation tank reciprocating type sludge scraper which comprises a concave bottom frame, an open groove, a first fixing frame and a second fixing frame, the open groove is formed in the center of the interior of the concave bottom frame, and the first fixing frame and the second fixing frame are formed in the positions, located on the two sides of the open groove, of the top face of the concave bottom frame respectively. A limiting frame is fixedly installed at an opening in one side of the open groove, and a pushing mechanism is arranged on the top face, located on one side of the first fixing frame, of the concave bottom frame. According to the invention, on the basis of reducing the sludge blocking risk of operating parts of the device, the conditions of sludge detention in the pond and blockage of a discharge port are reduced through a cleaning mode of intermittent lifting and back scraping, and meanwhile, the pushed sludge is intermittently cut, so that sludge blockage is further reduced, and subsequent collection is facilitated; and the operation efficiency of the sludge scraper is comprehensively improved.

The invention relates to the technical field of waste water circulation, in particular to a centrifugal waste water recycling device based on aluminum fluoride production, which comprises a shell, an impeller I and a screen drum, the impeller I is fixedly mounted in the screen drum, the screen drum is rotatably mounted in the shell, and a separation assembly is movably mounted in the shell. And the separation assembly comprises a discharging barrel and a rotating rod, the discharging barrel penetrates through the side wall of the shell and is fixedly connected with the shell, and a discharging conical barrel is fixedly installed below the screen drum. Precipitated particles are driven by a spiral plate to move towards a discharging opening, waste water is further screened, in the process that the particles are conveyed by the spiral plate, the particles are collected through a groove, the particles are prevented from being washed away by waste water, the groove abuts against a conical head, and a vibration rod drives a second scraping block and a first scraping block to knock and clean the inner wall of a discharging conical barrel. The particles are prevented from being attached to the interior of the discharging conical barrel, the screen barrel is cleaned through the spraying pipe from outside to inside, and screen holes of the screen barrel are prevented from being damaged.

The invention relates to the technical field of activated carbon adsorption towers, in particular to a self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower which comprises an adsorption tower body, an adsorption mechanism is arranged on the outer side of the adsorption tower body, and a recycling mechanism is arranged on the front side of the adsorption mechanism. The adsorption mechanism comprises a vibration assembly, a sweeping assembly, a leading-in assembly, a conveying assembly and a flow dividing assembly, the vibration assembly is arranged on the inner side of the adsorption tower body, the sweeping assembly is arranged on the inner side of the vibration assembly, the leading-in assembly is arranged on the inner side of the vibration assembly, and the conveying assembly is arranged on the top of the vibration assembly; the flow dividing assembly is arranged on the front side of the conveying assembly. The invention provides a self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower which is provided with a structure for circularly cleaning and recycling residual impurities, so that the residual impurities on the surface of an activated carbon plate can be cleaned and recycled, and the long-term use stability of the activated carbon plate is improved.

The utility model relates to a sewage sedimentation and discharge tank which comprises a tank body, the tank body is of a rectangular structure, the bottom of the tank body is a slope face with the center sunken, a discharge pipe communicating the interior and the exterior of the tank body is arranged in the center of the bottom of the tank body, and a valve is arranged on the discharge pipe; two fixing rods are fixedly arranged on one side wall of the pool body, a splitter plate is hinged to the ends of the fixing rods, a supporting rod is fixedly arranged on the splitter plate, and when the splitter plate is in a horizontal state, the supporting rod is supported at the bottom of the pool body. And gaps are reserved between the four side edges of the splitter plate and the corresponding side surfaces of the tank body respectively. The flow guide plate is arranged in the tank body, so that the pollution discharge effect of the sewage sedimentation tank can be effectively improved.