7141 results about "Drain tube" patented technology

An elongated floor cleanout assembly includes a drain assembly. The drain assembly has a body assembly and a grating cover secured to the body assembly by at least one screw. The drain assembly also has a cap enclosing the drain assembly and secured to the grating cover by the at least one screw. The cap defines at least one slit having an arcuate portion and an end. The at least one screw is captured in the arcuate portion and the cap can be rotated to selectively allow the at least one screw to freely pass through the end for removal of the cap without removing the at least one screw.

The invention discloses a double-medium thermochemical energy storage system and method. The double-medium thermochemical energy storage system comprises a first regulating valve, a gas storage tank, a thermochemical reactor, a fan, a steam pocket, a water feeding pump and a circulating water pump, the first regulating valve is communicated with an inlet of the gas storage tank through the fan and the electric heater, an outlet of the gas storage tank is communicated with an inlet of a heat exchange tube in the thermochemical reactor, an outlet of the heat exchange tube in the thermochemical reactor is divided into two paths, one path is communicated with an inlet of the fan, and the other path is communicated with a shell side inlet of the steam pocket; a bottom outlet on the shell side of the steam drum is communicated with an inlet of the circulating water pump after being combined with an outlet of the water feeding pump through a pipeline, an outlet of the circulating water pump is communicated with an inlet of a heat exchange pipe in the thermal chemical reactor, a shell side outlet of the thermal chemical reactor is communicated with the pipe side of the steam drum, and a pipe side inlet of the thermal chemical reactor is communicated with a drainage pipe. According to the system and the method, the heat exchange efficiency of the thermochemical reactor can be improved.

The invention discloses mobile water and fertilizer integrated equipment, and relates to the technical field of agricultural planting, the mobile water and fertilizer integrated equipment comprises a flat trolley, a fertilization tank and a crushing mechanism arranged on the fertilization tank, the crushing mechanism comprises a grinding assembly, the grinding assembly comprises a pipe body arranged above the fertilization tank, and an upper grinding disc and a conical lower grinding disc arranged in the pipe body; through the designed crushing mechanism, three-stage bulges are arranged on a conical lower grinding disc, a progressive crushing channel is formed in cooperation with a circular groove of an upper grinding disc, granular fertilizer needs to sequentially pass through gaps among the three-stage bulges, the crushing time of the granular fertilizer is prolonged, the granular fertilizer which is not completely crushed is crushed again in cooperation with the upper grinding disc and a net ring, and the crushing efficiency is improved. A conical plate and a conical seat in the discharging assembly can be synchronous with the rotating speed of a stirring frame and an upper grinding disc by adjusting the size of an opening, so that the concentration of water containing fertilizer liquid discharged from a water discharging pipe is consistent.

A spray-cleaning machine for metal parts, the spray-cleaning machine comprising a bottom plate (1), wherein a first stand (2), a second stand (3), a clean water tank (5), a water collection tank (6), a waste water tank (7), a first water pump (15) and a second water pump (16) are provided on the bottom plate (1); a transmission assembly (4), a first bracket (8), a telescopic rod (9), a second bracket (10), a first spray pipe (11), a fixing plate (12), a second spray pipe (13) and a U-shaped frame (14) are provided on the first stand (2) and the second stand (3); a first connecting pipe (17) is provided at a suction end of the first water pump (15), and a first drain pipe (18) is provided at a discharge end of the first water pump (15); a second connecting pipe (19) is provided at a suction end of the second water pump (16), and a second drain pipe (20) is provided at a discharge end of the second water pump (16); the first spray pipe (11) and the second spray pipe (13) are each provided with a spray head (21) at the bottom; a cleaning assembly (22) is provided on the fixing plate (12); and a hot air blower (23) is provided on the U-shaped frame (14). The spray-cleaning machine for metal parts has a high cleaning efficiency and a good cleaning effect; water can be recycled during the cleaning process, thus saving water; and the metal parts can be dried, which prevents residual water stains that affect the use of the metal parts.

An underdrain filtered water collection system includes: a pair of opposing drainpipes, each drainpipe having a plurality of collection drains; and a diffuser screen. The diffuser screen can slide within an outlet in each of the collection drains. A diffuser screen for a pressure vessel containing filter media includes: a screen pipe; a solid plate coupled to a base of the screen pipe; and a winged diffuser arranged around an outer circumference of the solid plate. The winged diffuser includes a plurality of foldable wings. The screen pipe includes a mesh screen having preconfigured interstices therethrough. Feed water flows through the screen pipe where it is directed by an inner surface of the solid plate to flow in a diffused flow through the interstices of the mesh screen and the wings.

The invention relates to the technical field of drainage pipe network defect detection and computer vision, in particular to a drainage pipe network defect detection method based on data optimization and multi-model fusion, and the method comprises the steps: collecting a video in a pipeline through a detection robot, and carrying out the frame extraction to obtain an original image; carrying out the quality optimization of the image through employing a lens fouling restoration algorithm, an image defogging algorithm and an illumination enhancement algorithm; positioning a defect area by using the target detection model, and performing pixel-level segmentation through the U-Net semantic segmentation model to obtain a defect contour; visual features and morphological features are extracted, feature fusion is carried out in combination with an attention mechanism, and finally a classifier is input to realize accurate identification of defect types. Targeted solutions are provided for multiple common imaging defects in the drainage pipe network, the method can adapt to complex and changeable actual detection environments, good generalization ability and practical value are achieved, and reliable technical support can be provided for intelligent operation and maintenance of the urban drainage pipe network.

The invention discloses a real-time monitoring device and method for soil disintegration air escape amount and cement dissolution rate. The real-time monitoring device comprises a disintegration tank, the disintegration tank is arranged on a base, a water injection pipe with a valve is arranged at the top of the disintegration tank, a water drainage pipe with a valve is arranged at the bottom of the disintegration tank, and a support is arranged above the disintegration tank. The mechanical sensing unit comprises a lifting rope, a lifting hook, a gas collector, a grid plate, a first tension sensor and a second tension sensor, and the electrochemical monitoring unit comprises an anode electrode plate, a galvanometer, a switch, a direct-current power supply and a cathode electrode plate which are sequentially connected in series through wires to form a closed monitoring loop. Quantifying the dissolution rate of the cement by monitoring a current signal corresponding to the ion concentration change in the solution; the high-definition camera collects disintegration images in real time and synchronously transmits the disintegration images and sensor data to the server. According to the device, through the combined action of the mechanical sensing unit and the electrochemical monitoring unit, the limitation of single-parameter monitoring is solved, and key data support is provided for stability evaluation of geotechnical engineering.

A drain assembly for providing a drain passage for fluid flow from a surface to the drainpipe of a plumbing system. The surface would typically be that of a structure such as that of a floor, a floor of a shower or floor of a bathtub. The drain assembly includes a multi-channel cover wherein each flow channel is configured or curved in such a way to prevent the passage of a ligation (e.g., wire, cord, or rope) through the channels to allow the ligation to be tied to the cover. The multi-channel cover is formed from a plate coupled to one or more annular diverter walls that form a portion of the curved flow channel shape.

The invention discloses a sponge city rainwater treatment system based on big data, which comprises a data acquisition module, and relates to the technical field of sponge city rainwater treatment.In a rainwater purification module, an automatic purifying agent adding program is started, so that the rainwater purification efficiency is improved, and rainwater is accelerated to flow into the rainwater purification module; a water storage space is vacated for a rainwater regulation and storage facility; a drainage valve of the drainage pipe is in a semi-open state, rainwater overflow in the rainwater regulation and storage facility caused by the fact that a large amount of initial rainwater rapidly flows into the rainwater regulation and storage facility is avoided, and the rainwater is dredged in order; when the time is within the overflow risk time period and reaches the dynamic early warning threshold value, the rainwater is further dredged through the fact that the drainage valve of the drainage pipe is in a full-open state and the operation power of the pump station is increased; at the moment, the rainwater regulation and storage facility conducts intermittent drainage, the time needed for reducing the water stored in the rainwater regulation and storage facility to be below the early warning threshold value is shortened, and the urban waterlogging risk is reduced.

A liquid level controlling apparatus includes a plurality of main sinks, a storage sink, a pump and a connection tube. One of the plurality of main sinks includes a transmission port and a first liquid level detector. The storage sink includes a delivery port and a second liquid level detector. The pump includes an outlet and an inlet. The connection tube includes an rehydration tube and an drain tube. The rehydration tube has a first rehydration section and a second rehydration section. The first rehydration section is connected between the delivery port and the inlet. The second rehydration section is connected between the outlet and the transmission port. The drain tube has a first drain section and a second drain section. The first drain section is connected between the transmission port and the inlet. The second drain section is connected between the outlet and the delivery port.

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 utility model provides a biological nitrogen and phosphorus removal system for sewage, and relates to the technical field of sewage treatment. The system comprises an anaerobic zone, a denitrification anoxic zone, a low dissolved oxygen aeration zone, a solid-liquid separation zone and an equipment zone which are sequentially communicated along a sewage flowing direction, all biochemical areas in the system are operated at high sludge concentration; the anaerobic zone is connected with a water inlet pipe; the solid-liquid separation area is provided with a drainage pipe; and the equipment area comprises stirring equipment and dissolved oxygen providing equipment. According to the biological nitrogen and phosphorus removal system for the sewage, provided by the utility model, the organic matter intake capacity and phosphate release capacity of microorganisms in the anaerobic zone can be improved, and synchronous nitrification and denitrification and denitrification phosphorus removal reaction can be promoted in the denitrification anoxic tank to remove nitrogen and phosphorus; synchronous nitrification and denitrification and phosphorus accumulation reaction can be performed in the low-dissolved-oxygen aeration area, organic matter removal is realized, no additional carbon source is needed, the aeration intensity is small, the operation energy consumption is low, and the treatment effect is good.

The utility model discloses a pulse type cloth bag dust removal device with a cooling structure, relates to the technical field of dust removal devices, and aims to solve the problems that in the prior art, when high-temperature flue gas is subjected to dust removal treatment, the temperature in the device is increased, so that the dust removal efficiency is influenced, and the aging and abrasion of a cloth bag are accelerated. An ash hopper is fixedly installed below the device box body, an air inlet pipe is fixedly installed on one side of the ash hopper and extends into the ash hopper, a first water tank and a second water tank are symmetrically and fixedly installed below the two sides of the device box body respectively, and a water inlet pipe is fixedly installed below one side of the first water tank. A drainage pipe is fixedly installed above one side of the second water tank, a first temperature guide plate and a second temperature guide plate are fixedly installed on the two sides of the lower portion in the device box body along one side of the first water tank and one side of the second water tank respectively, a cooling folded plate is arranged in the device box body, and a water cavity is formed in the cooling folded plate.

The invention discloses a sewage discharge device for chemical engineering environmental protection, and belongs to the field of sewage discharge, the sewage discharge device comprises a sewage treatment tank, the side surface of the sewage treatment tank is provided with a drainage pipe, the outer wall of the sewage treatment tank is fixedly connected with a [-shaped plate, the outer wall of the [-shaped plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the threaded rod is fixedly connected with the drainage pipe. The outer wall of the threaded rod is in threaded connection with a moving block, the bottom of the moving block is rotationally connected with a connecting plate A, the lower end of the connecting plate A is fixedly connected with a pesticide barrel, and the middle of the moving block is rotationally connected with a rotating shaft A. According to the sewage treatment device, the outflow amount of liquid medicine can be accurately adjusted according to actual requirements, the applicability of the device is improved, centrifugal force and inertia are generated in the rotating process of the medicine barrel, the liquid medicine can be sprayed to a larger range, the liquid medicine is prevented from being concentrated in one area, and the contact area and the treatment efficiency of the liquid medicine and sewage are improved.

A drain cleaner includes a housing and a rotatable drum disposed in the housing. A motor is secured to the drum for rotating a drain cleaning cable. A cable clamp is secured to the drum and is rotatable with the drum. The cable clamp includes a drain cleaning cable channel for receiving the drain cleaning cable. The cable clamp is moveable between a first position in which the drain cleaning cable channel has a first depth and a second position in which the drain cleaning cable channel has a second depth.

The invention relates to the technical field of mold cooling, and discloses a high-temperature mold rapid cooling device which comprises an upper mold plate and a lower mold plate, an annular runner is arranged between the upper mold plate and the lower mold plate, and a flow guide assembly is arranged in the annular runner; a base is arranged at the bottom of the lower die plate, a circular cavity is formed between the lower die plate and the base, and a scraping assembly is arranged in the circular cavity. A cover plate is placed on the top of the upper mold plate, a drainage pipe is arranged on the right side of the cover plate, a square groove is formed in the top of the upper mold plate, and an assembling assembly is arranged between the cover plate and the base. When the groove-shaped base moves to the receding groove, the scraping plate is separated from the top wall of the stepped groove, after the supporting plate crosses the receding groove, the first spring is compressed, and the scraping plate is attached to the top wall of the stepped groove, so that the scraping plate scrapes on the top wall of the stepped groove, water scale is removed, the heat conduction effect of cooling water and a mold is guaranteed, water scale accumulation is restrained, and the service life of the mold is prolonged. And the cooling efficiency is ensured.

The invention discloses a flocculation sedimentation tank for sewage treatment in oxford fabric production, and belongs to the technical field of oxford fabric production, the flocculation sedimentation tank comprises a tank body, a water inlet pipe is arranged on the upper side of one end of the tank body, a drainage pipe is arranged on the lower side of the other end of the tank body, and isolation plates are mounted on the two sides in the tank body; according to the invention, by arranging the collecting assembly, a collecting box is placed on a lifting plate, and supporting strips on two sides of the lower end of the collecting box enter grooves in the upper end of the lifting plate, so that the collecting box and the collecting box can be separated into a first water storage tank, a second water storage tank and a third water storage tank; a first magnetic strip at the lower end of a supporting strip and a second magnetic strip in a groove are adsorbed to adsorb and fix a collecting box, flocculation groups are guided into the collecting box through an inclined plate during flocculation work, meanwhile, when a lifting plate ascends, the inclined plate moves to clean the side edge of a separation plate, and the collecting box can be taken out of the lifting plate through a lifting rod to be cleaned. By arranging the mounting assembly, flocculation groups can be collected, and centralized collection and cleaning of the flocculation groups are facilitated.

A self-cleaning method of a washing machine comprises the steps that after each washing procedure is finished, a system automatically detects the real-time humidity and the residual dirt concentration of an inner container of the washing machine, if the humidity is higher than a preset threshold value and the dirt concentration exceeds a datum line, an ultraviolet disinfection process is automatically triggered, UV-C lamp tubes installed on the top and the side wall of the inner container are started for irradiation sterilization, and the ultraviolet disinfection process is stopped; the duration time is 10-30 minutes, the built-in water flow nozzle module is activated in a set period or when a high dirt accumulation level is detected according to dynamic adjustment of the environment temperature and humidity and the use frequency, and the wall face of the inner container, the door seal ring and the drainage pipeline are flushed in all directions through high-pressure pulse water flow. According to the invention, the fundamental conversion from passive response to active prevention is realized, the equipment can perceive the environmental state of the inner container in real time by integrating a multi-dimensional sensor network and an AI prediction model, trend pre-judgment is carried out based on big data of user use habits, water quality conditions and washing modes, and a cleaning program is started when pollution does not appear so as to nip in the bud.

The invention discloses horizontal concrete drain pipe internal pressure test equipment, and relates to the technical field of concrete drain pipe internal pressure tests. The mounting plate is arranged at the top of the bottom plate; two adjusting sliding grooves are formed in the position, located below the sliding baffle, of the bottom plate, and two adjusting sliding blocks are fixedly connected to the bottom of the sliding baffle. According to the horizontal concrete drain pipe internal pressure test equipment disclosed by the invention, when the open end of a drain pipe body is sealed, the drain pipe body is moved to a specified position between a matching baffle and a sliding baffle, a hydraulic cylinder III drives a middle column to move towards the interior of the drain pipe body, and in the moving process, the hydraulic cylinder III drives the middle column to move; the sealing gasket is gradually clamped on the inner wall and the outer wall of the opening end of the drainage pipe body, one-layer sealing is achieved, the air pump is started, the air pump inflates the interior of the sealing air bag through the air pipe, the expanded sealing air bag makes close contact with the inner side wall of the drainage pipe body, and the second-layer sealing effect is achieved.

The present invention discloses a sampling mechanism for detecting sediment content in water conservancy projects, belonging to the technical field of sampling mechanisms. The present invention comprises a support platform and a servo motor mounted on the upper end of the support platform, wherein the output end of the servo motor is connected to a sampling barrel, a retention hole is formed on the side of the upper end of the sampling barrel, and a water leakage cover is fixed inside the sampling barrel. A protective bottom cover is provided at the bottom of the sampling barrel, and a drain pipe is installed on the protective bottom cover. A first cylinder is mounted on the upper end of the support platform, and the telescopic end of the first cylinder is interconnected by a guide connecting rod and a closed ring, the closed ring is used to control the opening and closing of the retention hole, and a sand filter cloth is provided inside the water leakage cover. When sampling water samples, the sampling mechanism for detecting sediment content in water conservancy projects facilitates stirring of the surrounding water area to be sampled, thereby equalizing the sediment content of the water area and improving the accuracy of subsequent test results.

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.

The utility model discloses a sludge filtering device, which belongs to the technical field of sludge treatment and comprises a water storage tank for storing filtered water, a filtering bin arranged on the water storage tank and communicated with the water storage tank, and a sludge pipe arranged on the filtering bin, communicated with the filtering bin and used for inputting sludge into the filtering bin, the drain pipe is arranged on the water storage tank and used for draining water in the water storage tank, and a filter structure used for filtering stone impurities in sludge is arranged in the filter bin. According to the sludge filtering device, sludge can be conveyed to the sludge filtering plate in the filtering bin through the sludge pipe, and the driving lever can be driven to repeatedly stir the sludge on the sludge filtering plate under the action of the motor, so that the flowing of the sludge is promoted, the sludge is filtered, and stone impurities in the sludge are prevented from abrading the linkage shaft and the conical spiral extrusion sheet part; the stability of the structure is improved, the service life of the structure is prolonged, and water is sprayed onto the sludge in the filter bin, so that the water can pass through the sludge filter plate more easily.

The present invention relates to the technical field of wastewater treatment equipment, and discloses a textile fabric printing and dyeing wastewater treatment equipment and its treatment method, including a sedimentation tank. A bracket is fixedly connected to the top of the sedimentation tank. A drain pipe is communicated with one side of the sedimentation tank. A motor is fixedly connected to the top of the bracket. It also includes a wastewater treatment mechanism. When the motor is started, the motor drives the rotating shaft to rotate. The rotating shaft drives the reciprocating lead screw to rotate. Limited by the limiting rod, the reciprocating lead screw drives the threaded housing to vertically descend along the outer wall of the reciprocating lead screw. During the descent of the threaded housing, the water inside the sedimentation tank is filtered, so that the water inside the sedimentation tank enters the inside of the threaded housing through the round holes. Due to the arrangement of the activated carbon plate, the water entering the inside of the threaded housing enters the upper end inside the threaded housing through the activated carbon plate. The filtered water inside the threaded housing enters the upper end inside the sedimentation tank through the filter screen, and the preliminarily treated wastewater is obtained.

The utility model relates to the technical field of drainage pipelines, in particular to a self-cleaning drainage pipeline which comprises a pipeline body provided with a water inlet end and a water outlet end, a shell is arranged on the outer wall of the pipeline body, a filter plate is detachably connected in the shell, and a cleaning mechanism is arranged on the inner wall of the pipeline body. The cleaning mechanism comprises two lantern rings, the interiors of the two lantern rings are rotationally connected with a rotating shaft, the end, close to the filter plate, of the rotating shaft is fixedly connected with a brush plate abutting against the filter plate, the outer wall, close to the water inlet end, of the rotating shaft is fixedly connected with a plurality of paddles, and the outer wall of the rotating shaft is fixedly connected with a plurality of connecting rods; the paddle driven by water flow is linked with the rotating shaft to synchronously drive the brush plate and the spiral scraping plate to rotate, so that automatic brushing of the filter plate and continuous scraping of impurities on the inner wall of the pipeline are realized. External electric power or mechanical power is replaced with fluid kinetic energy, self-cleaning is completed under the condition of zero extra energy consumption, and filter plate pore blockage and pipe wall sediment accumulation are effectively avoided.

The invention discloses a mining gas extraction conveying device which comprises at least one protective sleeve used for conveying gas, an extraction pump used for extracting gas and a conveying pipe located in the protective sleeve, and the protective sleeves are fixedly connected through a fixing sleeve in an airtight embedded mode. A first butt joint sleeve in airtight connection with the conveying pipe is fixedly installed in the middle of the fixing sleeve. The inner wall of the protective sleeve is coated with the manganese dioxide coating, ozone is filled in cooperation with the one-way gas pipe, when gas leaks to the protective sleeve in the conveying pipe, the ozone generates hydroxyl free radicals under catalysis of manganese dioxide, the hydroxyl free radicals and methane are subjected to an oxidation reaction, and the hydroxyl free radicals are decomposed into carbon dioxide and water, so that the explosion risk is reduced while the gas concentration is reduced; leaked gas is actively treated by utilizing a chemical catalysis principle, decomposition can be carried out when the gas leaks, the safety of the device is effectively improved, meanwhile, generated water prompts the leakage position through a dyeing patch of a drainage pipe, and timely maintenance is facilitated.

The invention discloses a rolling type efficient sludge solid-liquid separation device which comprises a box body, an inlet cover in threaded connection with the top of the box body, a base fixedly connected with the bottom of the box body, a drainage groove formed in the right side of the box body, a drainage pipe fixedly connected with the right side of the box body, a motor box fixedly connected with the front face of the inner wall of the inlet cover, and a motor fixedly connected with the front face of the inner wall of the motor box. One end of the motor is fixedly connected with a rotating shaft, the other end of the rotating shaft penetrates through the front face of the box body and is rotationally connected with the back face of the inner wall of the box body through a bearing, a sewage discharging groove is formed in the base, the interior of the sewage discharging groove communicates with the interior of the box body, the left side of the base is in threaded connection with an outlet cover, and a sludge stirring and separating mechanism is arranged in the box body. By arranging the sludge stirring and separating mechanism, integration of preliminary and fine separation and filtration of sludge is achieved, efficient solid-liquid automatic separation of the sludge and internal water is achieved, and the problem that a large amount of residues still remain in the filtered water is solved.

The utility model relates to the technical field of water suction pumps, discloses a filtering device of a self-suction water pump, and solves the problem that the working efficiency is influenced as the filtering device of the conventional self-suction water pump needs to be shut down when a filtering basket is cleaned or replaced. The filtering device comprises an upper cylinder body, a lower cylinder body, a first filtering cylinder, a second filtering cylinder, a connecting pipe, a water inlet pipe, a water drainage pipe and a flow direction switching mechanism. The flow direction switching mechanism comprises an I-shaped shaft seat, a round valve plate, a crank, a cross rod and a grip, and the interior of the barrel can be sealed or opened by the round valve plate by operating the grip, so that the water flow direction is controlled. The filter basket is installed in the filter cylinder through the clamping grooves and the limiting strips, grading filter holes are formed in the side wall, a handle is arranged at the top end, and a compression spring and a contact pin are arranged at the bottom. A pressure sensor is arranged at the edge of the inner bottom surface of the first filter cartridge. According to the filtering device, the filtering basket can be cleaned or replaced under the non-stop condition, the continuous operation of the filtering device is ensured, and the working efficiency is improved.

The utility model discloses a water conservancy project sediment treatment device which comprises a filter box, the top of the filter box is rotationally connected with a rotating seat, one end, extending into the filter box, of the rotating seat is fixedly connected with a conical filter screen seat, a filter screen opening is formed in the outer surface of the conical filter screen seat, one side of the filter box is connected with a drainage pipe in a penetrating mode, and the drainage pipe is connected with a drainage pipe. The device has the beneficial effects that firstly, the conical dispersion cover can disperse and output silt, then the conical filter screen seat can centrifugally dehydrate the silt, and finally, the silt extrusion cylinder can filter and dehydrate the silt, so that the silt can be uniformly dispersed and discharged, and the silt can be uniformly dispersed and discharged. Therefore, the effect and efficiency of silt dehydration treatment can be improved.

The invention belongs to the technical field of direct drinking water processing, and particularly relates to a direct drinking water softening and sterilizing device which comprises a bottom plate, the two sides of the upper end face of the bottom plate are fixedly connected with a softening pool and a sterilizing pool respectively, one side of the bottom of the softening pool is communicated with the sterilizing pool through a connecting pipe, and a drainage pipe is arranged on one side of the sterilizing pool. An ultraviolet germicidal lamp is arranged at the top of an inner cavity of the sterilization tank, and a feeding auxiliary mechanism used for uniformly adding lime and soda into the softening tank is further arranged on the softening tank. By means of the feeding auxiliary mechanism, lime and soda discharged from the discharging port can make contact with leaves, the lime and the soda are scattered, the distribution area of the lime and the soda on the water surface is enlarged, meanwhile, the caked and coagulated lime and the soda can also be scattered, and therefore the lime and the soda can be evenly added into water, and the situation that the lime and the soda are not prone to falling off due to the fact that the water surface area is too large is avoided. And an operator is not easy to uniformly add lime and soda into water.

The invention relates to the technical field of rotational flow desilting devices, and particularly discloses a rotational flow desilting device for hydraulic engineering, which comprises a rotational flow desilting cylinder, a rotational flow assembly, a sand-water separation assembly, a conveying assembly and a control management unit, a discharging pipe is fixedly connected to the bottom of the rotational flow desilting cylinder, a control valve is fixedly connected to the interior of the discharging pipe, an electric valve is fixedly connected to the interior of the water inlet pipe, and the control management unit is used for monitoring and analyzing the running state of the rotational flow desilting cylinder in real time. According to the invention, through the arrangement of the control management unit, the traditional extensive mode depending on artificial experience judgment can be changed, so that the equipment operation information can be obtained more comprehensively, timely and accurately. Based on the data, different working conditions can be accurately identified, a basis is provided for parameter optimization, and the problem that traditional fixed parameter control cannot adapt to sewage characteristic changes is solved.