3018results 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.

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 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 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 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.

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 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.

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 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 invention belongs to the technical field of sewage treatment, and particularly relates to a sewage settling pond which comprises a pond body, electric control telescopic rods are fixed to the two sides of the pond body correspondingly, a mounting frame is fixed to output shafts of the electric control telescopic rods, electric sliding rails are mounted on the front side and the rear side of the mounting frame correspondingly, and sliding seats are slidably arranged in the two electric sliding rails correspondingly; strip-shaped shells are fixed to the lower sides of the two sliding seats correspondingly, circular shells are rotationally mounted on the inner sides of the lower ends of the two strip-shaped shells correspondingly, a plurality of fishing plates are arranged between the two circular shells, and rotating assemblies are arranged between the circular shells and the mounting frame. Through the synergistic effect of the electric control telescopic rod and the electric sliding rail, automatic lifting and horizontal movement of the salvage plate are achieved, dross on the surface of sewage can be continuously and comprehensively cleaned away, the dross cannot fall back into the sewage again after being salvaged through the design of the arc-shaped collecting shell, and through the combination of the gear, the rack and the push rod, the dross can be effectively removed. And automatic overturning and dumping of the arc-shaped collecting shell are achieved, and the automation degree is further improved.

The invention relates to the technical field of tapping machines, and discloses a tapping machine for bolt machining, which comprises a tapping machine main body, a flow guide groove is connected to a working table of the tapping machine main body, a collecting box is arranged on the lower side of the lowest end of the flow guide groove, a fixed box is fixedly mounted on the top surface of the collecting box, a slow flow plate is fixedly connected to the upper part in the fixed box, and a leak hole is formed in the middle of the slow flow plate; an intercepting plate fixedly connected with the flow slowing plate is arranged on one side of the leakage hole, a precipitation pipe is fixedly connected to the bottom of the leakage hole, a sewage disposal mechanism is arranged on the lower side of the precipitation pipe, a waterwheel rotationally connected with the fixed box is arranged on one side of the lowest end of the flow slowing plate, and a transmission part is jointly connected between the waterwheel and the sewage disposal mechanism. When cooling liquid and scrap iron flow on a slow flow plate, layering is achieved through the gravity difference between the cooling liquid and the scrap iron, the scrap iron flows into a precipitation pipe under interception of an interception plate, the scrap iron can be precipitated and accumulated in a transfer groove, and under intermittent rotation of a transfer part, the scrap iron in the transfer groove is moved into a collecting barrel, so that the scrap iron is collected. And continuous and effective separation of the scrap iron and the cooling liquid is completed.

The invention discloses an oil dirt separation device for oil-based rock debris and a using method, and relates to the technical field of oil dirt separation.The oil dirt separation device comprises a separation tank and fishing pipes, the upper end of the separation tank is sleeved with a connecting tank, a sliding pipe is fixedly arranged on one side of each fishing pipe, and a first fixing pipe is slidably arranged on each sliding pipe; the first fixing pipe is fixedly arranged on a sliding shaft, an outer spline shaft is fixedly arranged at one end of the sliding shaft, an inner spline sleeve shaft is arranged on the outer spline shaft in a matched mode, a fishing assembly is arranged on the opening side of the fishing pipe, a cleaning mechanism is arranged at the bottom end of the interior of the connecting tank, and a mixing mechanism is arranged at one end of the sliding shaft. By arranging the stirring shaft and the sliding shaft, scum in liquid can fully float, by arranging the fishing pipe, the scum can be conveniently fished, and by arranging the first scraping frame, the scum can be conveniently collected.

The utility model belongs to the technical field of sewage treatment, and provides a low-solid-content sewage cyclone desanding system which comprises a pressure transmitter arranged on a water inlet pipe; the plurality of hydrocyclones are arranged behind the pressure transmitter in parallel; the plurality of first valves are respectively arranged on inlet pipelines of the hydrocyclones, and each first valve is associated with the pressure transmitter; the plurality of sand collecting chambers are respectively arranged at the first sand discharging openings in the lower parts of the hydrocyclones; the plurality of second valves are respectively arranged on the outlet pipeline of each sand collecting chamber; and the sand-water separator is connected with the outlet end of each second valve. The cyclone desanding system can automatically control the operation according to the water inlet pressure change to realize dynamic balance, is suitable for desanding treatment of sewage with large water inlet amount fluctuation and low solid content, and is efficient and stable in system operation and good in desanding effect.

The invention relates to the technical field of sewage treatment, in particular to an automatic floating foam cleaning machine for a sewage treatment tank. The automatic floating foam cleaning machine comprises a pollution discharge sleeve frame, a first motor, a chain wheel, a chain, a guide sleeve, a first guide rod, a scraping plate and the like; pollution discharge sleeve frames are installed on the left edge and the right edge of a sewage pool, supporting plates are connected to the upper portions of the pollution discharge sleeve frames, a chain is rotationally connected between the supporting plates on the left side and the right side through chain wheels, a first motor is installed on the supporting plate on the right side, and an output shaft of the first motor is connected with a center shaft of the chain wheels; a first guide rod is inserted into the guide sleeve in a sliding manner, and the lower end of the first guide rod is connected with a scraping plate for scraping floating foam. The first motor and other components are controlled to drive the scraping plate to perform left-right scraping on the water surface of the sewage pool, then the floating foam is scraped into the sewage discharging sleeve frame, the defoaming liquid sprayed out of the spray head reacts with the floating foam to enable the floating foam to be rapidly ablated and settled, and it is avoided that flocculates or impurities fall back into sewage again after the floating foam is broken.

The invention relates to the technical field of solid-liquid separation in the mineral separation industry, in particular to a dense overflow solid material recycling device and process, the dense overflow solid material recycling device comprises a plurality of sedimentation tanks, height differences exist among the sedimentation tanks, and a sediment recycling mechanism is arranged in each sedimentation tank and used for collecting and conveying solid materials after sediment; a dissociation mechanism is also arranged in the sedimentation tank and is used for dissociating solid materials; and a separation mechanism is arranged on the extraction mechanism, and solid materials can be conveyed and subjected to solid-liquid separation through vibration. By arranging the sedimentation tank, the sediment recovery mechanism, the extraction mechanism and the separation mechanism, continuous operation can be achieved, and the manual cleaning cost is reduced; the extraction mechanism can realize low-energy-consumption conveying and primary solid-liquid separation, so that subsequent treatment of solid materials is facilitated; and the solid and the liquid can be further separated through the separation mechanism, and the solid can be conveniently recycled in the later period.

The invention relates to the technical field of sewage treatment, in particular to a bridge type sand sucker with a sand suction pump lifting function, the bridge type sand sucker comprises a walking beam and a sand suction pump, two sets of symmetrically arranged fixing plates are fixedly mounted at the bottom end of the walking beam, and a moving plate transversely moving at the bottom of the walking beam is arranged between the two fixing plates; two first electric push rods are fixedly mounted at the bottom ends of the two moving plates correspondingly, a mounting frame is fixedly mounted at the bottom ends of the two first electric push rods jointly, two sliding grooves which are symmetrically formed are formed in the mounting frame, and limiting blocks are slidably arranged in the two sliding grooves correspondingly; the sand suction pump is arranged between the two limiting blocks and is limited through the two limiting blocks. The two electric telescopic rods slide on the annular sliding rail, so that the two clamping plates apply rotating force to the limiting ring to take out the limiting ring from the connecting cylinder, the limiting block slides in the sliding groove in a matched mode, the sand suction pump is conveniently and rapidly replaced and installed, and waste of a large amount of time is avoided.

The embodiment of the invention discloses a deep-cone thickener rake pressing prevention device for mine paste filling, a deep-cone thickener and a rake pressing prevention working method, and relates to the technical field of mine equipment, and the deep-cone thickener rake pressing prevention device comprises a top rotation assembly which is coaxially connected to a driving main shaft with a rake frame and is located above the rake frame, and the top rotation assembly is provided with a water injection port and a water outlet; the high-pressure pipeline assembly comprises a main pipeline and branch pipelines, the upper end of the main pipeline is connected to the water outlet and extends downwards to the surface of the scraper blade of the harrow frame along the outer side of the driving main shaft, the branch pipelines are arranged on the surface of the scraper blade along the trend of the scraper blade, and a plurality of connectors are arranged on the side walls of the branch pipelines along the trend of the scraper blade; the ends, close to the driving main shaft, of the branch pipelines communicate with the lower end of the main pipeline, a plurality of steel ball nozzles are arranged on the surface of the scraper in the distribution direction of the branch pipelines, water inlets of the steel ball nozzles are correspondingly connected to connectors of the branch pipelines, and water spraying openings of the steel ball nozzles face the bottom of the tailing cone pool.

The utility model relates to the technical field of wastewater treatment devices, in particular to a precipitation device with a cleaning function for wastewater treatment. The problems that in the using process of a traditional wastewater treatment device, due to the fact that impurities are attached to the side wall of a cleaning structure, the cleaning structure cannot be cleaned in time, and the impurity cleaning efficiency is inconvenient to improve are solved. The utility model provides a precipitation device with a cleaning function for wastewater treatment. The precipitation device comprises a precipitation tank, a screening filter plate, a driving assembly, an intercepting assembly, a cleaning assembly, a flushing assembly and a stirring assembly, compared with a traditional wastewater treatment device, in the using process, the wastewater treatment device is provided with the cleaning and intercepting structure and the washing structure, primary impurity separation is conducted through a screening filter plate, then blocking and collecting are conducted in batches through the intercepting structure, and then particle impurities are cleaned through the cleaning structure; and in addition, the cleaning structure can be washed and cleaned through the washing structure, so that the impurity cleaning efficiency can be improved.

The utility model relates to a settling box for filtering crude oil. The settling box comprises a shell (1), and a crawler loader (4), a sieve plate (3), an annular scraper chain (2) and a grating (5) which are arranged in the shell (1), the sieve plate (3) is transversely arranged on the side portion of a slag inlet of the slagging-off machine (4), the annular scraper chain (2) is arranged around the sieve plate (3) and the slagging-off machine (4), the grid (5) is in a Sudoku shape, an oil passing opening (41) of the slagging-off machine (4) right faces one corner of a Sudoku on the lower middle portion of the shell (1), an oil outlet (101) on the side portion of the shell (1) is located on the front side of the middle of the grid (5), and a circulation opening (50) is formed in the upper portion of the grid (5). Crude oil on the upper side is baffled back and forth according to a certain path, and most of crude oil on the lower side is isolated and is in a standing state, so that the crude oil and oil residue separation effect is enhanced.

The utility model relates to the technical field of hydrochloric acid desorption, in particular to a hydrochloric acid desorption device which comprises a hydrochloric acid desorption tower, and the top of the hydrochloric acid desorption tower is sequentially communicated with a primary condensing device, a secondary condensing device, a freezing device, a demister and a hydrogen chloride buffer tank; one side wall of the hydrochloric acid desorption tower is communicated with a hydrochloric acid storage tank; the side wall of the hydrochloric acid desorption tower is also communicated with a calcium chloride solution storage tank; a bottom liquid outlet of the hydrochloric acid desorption tower is communicated with a first inlet of the thermosyphon reboiler, the thermosyphon reboiler is provided with a first outlet and a second outlet, the first outlet is communicated with a liquid inlet of the hydrochloric acid desorption tower, and the second outlet is sequentially communicated with the multi-effect evaporation device and the flash separation tank; and the flash separation tank is respectively communicated with a calcium chloride solution storage tank and a second inlet of the thermosyphon type reboiler. According to the utility model, the equipment investment is reduced, the concentration efficiency of the calcium chloride solution is improved, the energy consumption is reduced, and calcium chloride is prevented from flowing back into the desorption tower to cause blockage.

The invention relates to the technical field of water multi-stage treatment, in particular to a water conservancy project filtering device and a filtering technology thereof.The water conservancy project filtering device comprises a treatment box, the top end of the treatment box is fixedly connected with a filtering shell, the top end of the filtering shell is fixedly connected with a water inlet pipe, and two first filtering nets are arranged in the filtering shell; the bottom ends of the first filter screens are fixedly connected with a first connecting shaft, the first connecting shaft is rotatably connected with the filter shell, the filter shell is provided with an angle control structure used for changing the angle of the two first filter screens, and the filter shell is provided with a cleaning and collecting unit used for cleaning the first filter screens; the bottom end of the treatment box is fixedly connected with an impurity outlet pipe and a water outlet pipe; valves are arranged on the impurity outlet pipe and the water outlet pipe; according to the technical scheme, the impurities filtered out by the first filter screen can be cleaned without dismantling the first filter screen, the long-term use cost can be remarkably reduced and the user experience can be improved by optimizing the easy-to-clean performance, and particularly, the effect is more prominent in the frequent use process.

The utility model relates to a coke breeze treatment device for wet quenching of a coke oven, which comprises a clean water tank and a sedimentation tank, the clean water tank and the sedimentation tank are sequentially connected, two sides of the clean water tank and the sedimentation tank are provided with ditches, and the ditches are used for leading quenching water sprayed in a quenching tower back to the coke breeze sedimentation tank to form a closed loop, so as to complete the recycling of the quenching water. Concrete partition walls are arranged between the clean water tank and the sedimentation tank, between the ditches and the clean water tank and between the ditches and the sedimentation tank, openings are formed in the concrete partition walls, and water gates are arranged at the openings and connected with the control unit. The coke powder grabbing device has the advantages that the grabbing device walks on the track and grabs the coke powder of the settling pond and the clean water pond, the coke powder does not need to be cleaned manually, the operation environment of operators is improved, the labor intensity of the operators is reduced, the post of the coke powder grab bucket operator is canceled, manpower is saved, the enterprise cost is reduced, and the working efficiency is improved. Operators are prevented from being in contact with toxic and harmful substances, and the operation environment of the operators is improved.