35results about How to "Smooth water flow" patented technology

The artificial fish nest comprises a base and incubation plates which are arranged on the base and used for spawning, two side plates are installed on the base, a plurality of supporting pipes which are arranged from top to bottom are fixedly installed between the two side plates, the incubation plates are symmetrically arranged relative to the supporting pipes, and the incubation plates are fixedly installed on the base. The incubation device comprises an incubation plate, the edge of the incubation plate is connected with a sleeve, the sleeve is rotationally arranged on a supporting pipe in a sleeving mode, penetrating grooves are further formed in the position, overlapped with the sleeve, of the supporting pipe in an annular array mode, meshing teeth are slidably arranged in the penetrating grooves, and inner tooth grooves matched with the meshing teeth are formed in the inner wall of the sleeve. When the meshing teeth are meshed with the inner tooth grooves in the inner walls of the sleeves, the sleeves and the hatching plates can be limited, stability of the hatching plates is kept, and when the meshing teeth retract into the penetrating grooves, limitation can be released, the angles of the hatching plates can be conveniently adjusted, and water flow among the hatching plates can be conveniently kept smooth.

The water dispenser comprises a machine body and a water tank, the machine body is provided with a connector, the connector is provided with a containing groove, an opening is formed in the top of the containing groove, a water outlet hole is formed in the bottom of the containing groove, a first sealing ring is arranged at the opening, and a trigger rib extending upwards is arranged in the containing groove; the water tank is provided with a water outlet and an annular protrusion extending downwards from the bottom of the water outlet, the water outlet and the protrusion are communicated to form a water outlet channel, an ejector rod capable of axially moving is arranged in the water outlet channel, the upper end of the ejector rod is sleeved with a second sealing ring, and the trigger rib is provided with a first position abutting against the bottom face of the ejector rod and a second position separating from the ejector rod. The protrusion is inserted into the opening, the outer wall of the protrusion is attached to the inner wall of the first sealing ring, and at the second position, the second sealing ring blocks the water outlet. By optimizing the sizes of the trigger rib, the ejector rod and the protrusion, the protrusion and the connector are just sealed while the trigger rib abuts against the ejector rod, and the problem that a water tank leaks water or a water outlet nozzle drips water can be solved.

The utility model discloses a double-drinking cup cover capable of automatically switching drinking modes, which is characterized in that a single drinking nozzle simultaneously provides a direct drinking mode and a suction drinking mode, a user can drink water through a suction tube when standing upright, the user can automatically switch to direct drinking water when standing upside down, manual switching is not needed, and the double-drinking cup cover is convenient and fast; comprising a cover body and a nozzle. The vertically-through drinking nozzle is arranged at the top of the cover main body and is communicated with the inside and outside of the cover main body; a valve assembly communicated with the drinking nozzle is arranged on the inner side of the cover body, and a straw is further connected to the lower portion of the valve assembly. The valve assembly is provided with a first passage and a second passage, the first passage is communicated with the suction pipe, and a valve body capable of automatically switching to open and close the second passage is arranged in the second passage; when the cup cover is erected, the valve body automatically closes the second passage, the straw and the first passage of the valve assembly are communicated with the drinking nozzle, and water sequentially passes through the straw, the first passage and the drinking nozzle to be sucked and drunk; when the cup cover is inverted, the valve body automatically opens the second passage, the second passage of the valve assembly is communicated with the drinking nozzle, water flows to the drinking nozzle through the second passage, and direct drinking is achieved.

The invention discloses a composite rectification control and guidance method for improving the mixing flow state of a river channel intersection area. The method comprises the following steps that in the flood season and the dry season, the river width and the water depth of a branch flow intersection and the river width and the water depth of a downstream section of a main flow intersection are surveyed respectively; inner elliptic arc treatment is conducted on the positions, close to the intersection position of the water flow separation area embankment line and the main flow intersection opening, of the branch flow intersection openings; outer elliptic arc treatment is conducted on the intersection position, away from the water flow separation area embankment line and the main flow intersection opening, of the branch flow intersection opening; a lifting spur dike is arranged at the position of a water flow acceleration area at the downstream of the main stream intersection; in the dry season, the spur dike is lifted; in the flood season, the spur dike descends, and main stream flood discharge is facilitated. The flood discharge efficiency of the river channel in the flood season is improved, the flood threat faced by dikes on the two banks in the flood season is reduced, and the concentration of water pollutants on the bank side of the downstream water flow separation area of the intersection is reduced.

The invention provides a water outlet device which comprises a variable cavity and a water outlet cavity which are arranged in the water outlet device, and the variable cavity is communicated with the water outlet cavity; the volume of the variable cavity is not equal in the water supply state and the water stop state, a piston is arranged in the water outlet device, and the piston is connected with the inner wall of the water outlet device in a sealed mode to form the variable cavity. When water is introduced, the piston moves in the direction in which the volume of the variable chamber is reduced, so that the volume of the variable chamber is reduced; when the water is closed, the piston moves towards the volume increasing direction of the variable cavity, so that the volume of the variable cavity is increased, a negative pressure cavity is formed, and residual water in the water outlet cavity is sucked into the variable cavity.

This invention discloses a wastewater treatment device and method for all-cotton spunlace nonwoven fabric, relating to the field of wastewater treatment technology. The device includes a wastewater treatment tank, a collection tank, a drive structure, two sets of trajectory running structures, and a pusher block. This invention utilizes the coordinated action of the pulling and restraining units in the trajectory running structure to move the pusher block along a rectangular closed trajectory of backward, downward, forward, and upward movement, sequentially completing the functions of drainage, scraping and conveying impurities, and resetting after impurity removal. When the pusher block moves forward, it contacts the opening and closing structure, automatically opening the sealing door through the mechanical linkage of the contact plate, slide rod, connecting plate, guide plate, and connecting rod, and closing it as the pusher block resets. This eliminates the need for a separate power source or sensor for the sealing door, simplifying the device structure and reducing manufacturing costs and control complexity.

The utility model relates to the technical field of sprayer devices, and discloses a hand-push type sprayer which comprises a cart frame, a water tank and a pump body, the water tank and the pump body are both arranged on the cart frame and are communicated through a water pipe, the bottom of the water tank is provided with a low-residual-water mechanism used for reducing the residual water amount after water pumping, and the pump body is arranged on the cart frame. The low-residual-water mechanism comprises a water outlet, a sinking groove and a flow guide inclined face, the end, away from the pump body, of the water pipe is arranged in the sinking groove, the water outlet is communicated with the sinking groove, the water tank comprises an inner bottom face, the sinking groove comprises a groove bottom face, the groove bottom face is lower than the inner bottom face, and the flow guide inclined face is formed between the inner bottom face and the groove bottom face. The hand-push type sprayer is provided with the low residual water mechanism, the residual water amount at the bottom of the water tank after water pumping can be reduced, water and pesticide in the water tank are utilized more sufficiently, and the influence of the residual pesticide on the surrounding environment is reduced.

The present invention provides a base structure for a dishwasher and a dishwasher, comprising a washing heating pump, a water cup, a drainage pump, a water diversion valve and a pressure switch arranged on the base structure; the water cup is arranged on the vertical center line of the base and close to the side of the dishwasher cabinet door, the drainage pump and the washing heating pump are arranged on the side away from the dishwasher cabinet door, the axis of the drainage pump passes through the center point of the water cup, one side of the drainage pump is connected to the water cup, and the other side of the drainage pump extends toward the side away from the dishwasher cabinet door. The base structure for a dishwasher and the dishwasher of the present invention concentrate the weight on the side away from the dishwasher cabinet door, and the dishwasher is not easy to tip over when the door is opened, and is very stable; the chassis structure design is more compact, occupies less space, and the water flow is smoother.

The utility model discloses a full-immersion type three-phase electrode hot water boiler with uniform output of each electrode. Uniform and stable output operation of the three-phase electrodes in the boiler is realized. A water distribution disc (2) is arranged at the lower end of an inner cavity of a closed boiler barrel (1), built-in water inlets (4) are evenly distributed in the water distribution disc, an upper protection shield (10) is fixedly arranged over a lower protection shield (16), the lower end of a conducting rod sequentially penetrates through an insulating base (6) and the upper protection shield (10) and then is connected with an electrode (8), a lifting protection shield (9) is arranged on the outer side of the electrode (8), and the lifting protection shield (9) is connected with the upper protection shield (10). A cold water inlet (3) is formed in the center of the bottom end of the boiler barrel body (1); an inverted conical bulge (14) is arranged on the lower bottom surface of the water distribution disc (2) right above the cold water inlet (3); exhaust through holes are uniformly distributed in the upper protective shield (10); a hot water output port (15) is formed in the top end of the boiler barrel (1); and the operation safety of the boiler is ensured.

The utility model relates to the field of well lids, in particular to a well lid with an anti-blocking function. The utility model provides a well lid with an anti-blocking function. The well lid comprises a well lid base, a filter screen, an electric push rod, a scraper, a guide rod, a collecting frame, a pull rod, an elastic piece and the like. A cover plate is placed on the upper portion of the well lid base, a plurality of water inlets are formed in the cover plate, a filter screen is installed in the well lid base, an electric push rod is installed on the rear side of the filter screen, a scraping plate is connected to the electric push rod, guide rods are installed on the left side and the right side of the well lid base, the two guide rods penetrate through the scraping plate, and a collecting frame is slidably connected to the front side of the filter screen. And pull rods are arranged on the left and right sides of the collecting frame during sliding, and elastic pieces sleeve the front and rear sides of the pull rods. By starting the electric push rod, the electric push rod can push the scraper forwards along the guide rod, and the scraper moves forwards to push garbage on the filter screen to the collecting frame, so that the filter screen is cleaned up, and the effect of smooth water flow in a sewer is achieved.

The utility model discloses a water outlet structure of a Fenton oxidation tower, which comprises a water outlet groove, the water outlet groove is arranged at the top of the inner wall of a tower body, a water inlet hole is arranged on one side surface of the water outlet groove, a lower baffle and an upper movable baffle are arranged in the water outlet groove, and the lower baffle, the upper movable baffle and the water outlet groove form a water outlet space. Water treated through the Fenton oxidation reaction enters water outlet spaces on the two sides of the water outlet tank through water inlet holes and then flows out through a water outlet formed in the tank bottom and a long water outlet pipe in the vertical direction, and a movable cover plate covering the whole water outlet tank is arranged above the water outlet tank. The water outlet speed can be controlled, water outlet is smooth, the structure is simple, and practicability is high.

The present disclosure relates to the field of construction machinery testing, and particularly relates to a working device for pipe jacking machine pipeline system testing and a detection method. The working device comprises a circulating water pumping system, a spraying system and a sensor system, which can be pre-arranged on a test base, is simple to operate, convenient and fast, solves the problems of large investment and time-consuming and labor-consuming in actual tunneling and cutting tests, and solves the problem that a large area of site is not necessarily suitable for actual tunneling and cutting tests.

This utility model discloses a shower head with a convenient descaling function, including a shower head base shell. A descaling button is installed on the front surface of the shower head base shell. The descaling button is fixedly connected to a fixed push plate disposed inside the shower head base shell. Slide assemblies are provided on both sides of the fixed push plate. A water channel base plate is installed above the slide assemblies. A water sealing base plate is installed above the water channel base plate. A descaling pin panel is installed above the water sealing base plate. This utility model allows the user to press the descaling button against a wall during showering, causing the oblique cut structure to push the slide assembly downwards. This, in turn, causes the slide assembly to move the water channel base plate and the water sealing base plate upwards, pushing the descaling pin panel upwards to the water outlet hole of the water outlet panel. This quickly and thoroughly cleans the dirt and impurities inside the water outlet hole, offering the advantages of convenient operation and control, and effectively ensuring smooth water flow during showering.

The utility model provides a sponge city unpowered slow-release device which comprises a slow-release box body, a water inlet hole is formed in the side wall of the slow-release box body, one end of a water inlet pipe is connected with the water inlet hole, and the other end of the water inlet pipe is connected with a floating ball. A drain hole is formed in the lower end of the slow-release box body; the water inlet pipe and the floating ball are integrally injection-molded; a water inlet hole is formed in the water inlet pipe close to the floating ball; the water inlet hole is located below the liquid level of the rainwater storage tank. The device has the beneficial effects that 1, due to the arrangement of the water inlet hole, the water inlet flow area of the water inlet pipe is reduced, so that the flow entering the slow-release box body is reduced, and the flow speed and flow of drainage of the slow-release box body are indirectly reduced; 2, the water inlet hole is located below the liquid level, so that the flow of water entering the water inlet pipe is kept uniform, and the water discharge amount of the slow release box body is also kept uniform; and 3, the water inlet pipe and the floating ball adopt an integral injection molding process, so that a sealing gap between a traditional hose and the floating ball is eliminated, and a water inlet channel is realized only through a preset water inlet hole.

The invention discloses a lure hard bait capable of being added with food bait. The lure hard bait comprises a bait body, a longitudinal partition plate and a transverse partition plate, and a containing space is formed in the bait body; the containing space in the bait body is divided by the longitudinal partition plate to form a first containing cavity and a second containing cavity. The first accommodating cavity is partitioned by the transverse partition plate to form a bait bin and a water flow bin; a water inlet is formed in the front end of the water flow bin and communicated with the outside, water flow through holes are formed in the outer wall of the water flow bin, and water enters from the water flow bin, is blocked by the longitudinal partition plate, circulates between the bait bin and the water flow bin and then flows out from the water flow through holes. A common lure bait in the market is a fake bait instead of a real traditional bait, the variety of the lure bait is single, and generally, the lure bait is a fierce fish. By adding baits, the fish bait can adapt to various fishes such as grass carps, silver carps and bighead carps.

A rainwater sewage intercepting device effectively solves the problem that a sewage intercepting device is not easy to clean. Comprising a shell, a filter cartridge is arranged in the shell, filter holes are evenly distributed in the filter cartridge, a water inlet is formed in the upper portion of the side wall of the shell, an upper cover and a lower cover are arranged at the upper end and the lower end of the shell respectively, the upper cover, the lower cover and the filter cartridge are connected in a matched mode to form a structure that the filter cartridge rotates in the shell, a water outlet is formed in the bottom of the filter cartridge, and a drain outlet is formed in the lower cover. After being filtered by the filter cartridge, the impurities are discharged from the water outlet, and the impurities intercepted by the filter cartridge are discharged from the drain outlet; the filter cartridge is simple and ingenious in structure and convenient to use, and when more dirt is collected, the dirt can be thrown out by rotating the filter cartridge, so that the trafficability of the filter cartridge is ensured, smooth water outlet is ensured, and blockage is avoided.

The present invention relates to a novel biological treatment process and device for seawater aquaculture tailwater, belonging to the technical field of aquaculture tailwater treatment. The process flow is as follows: mechanical filtration system → protein separation system → aerobic nitrification conversion system → anaerobic denitrification conversion system → COD reduction system → disinfection and oxygenation system. The systems are interconnected through transmission pipelines, and the physical and chemical conditions are different. Since nitrifying bacteria and denitrifying bacteria screened from the bottom mud of seawater aquaculture ponds are used, they are suitable for the growth of specific microorganisms and improve the biological conversion rate of aquaculture tailwater; at the same time, the microbial attachment base pressed by renewable materials is variable in shape and low in cost. The present invention can greatly improve the treatment efficiency of seawater aquaculture tailwater, improve the utilization rate of seawater resources, reduce the adverse effects of seawater aquaculture on the environment, and the reuse rate of aquaculture tailwater can be increased by more than 15%. It also has the advantages of simple process and convenient maintenance.

The utility model discloses an anti-evacuation centrifugal pump for a thermos bottle and the thermos bottle with the anti-evacuation centrifugal pump, the centrifugal pump comprises a front shell and an impeller, the front end of the front shell is provided with a water inlet perpendicular to the axis of the front shell, and a water inlet channel is formed in the water inlet; a pump cavity communicated with the water inlet channel is formed at the rear end of the front shell; the impeller is rotationally arranged in the pump cavity and is coaxial with the front shell. The front shell is further provided with an exhaust hole communicated with the pump cavity and the water inlet channel, and water vapor in the pump cavity can be exhausted into the water inlet channel through the exhaust hole. Therefore, the exhaust hole communicating with the pump cavity and the water inlet channel is formed in the front shell of the centrifugal pump, so that water vapor accumulated in the pump cavity can be discharged into the water inlet channel through the exhaust hole, the air binding phenomenon is avoided, and it is guaranteed that the centrifugal pump can work normally to achieve smooth water outlet.

The utility model discloses a water quality sampling device for environmental detection, which comprises a water collecting bucket, a bottom cover, an electric push rod, a furling device and a measuring scale, the furling device is arranged at the top of the water collecting bucket, the measuring scale is arranged inside the furling device, the electric push rod is fixedly arranged at the top inside the water collecting bucket, and the bottom cover is arranged on the bottom cover. And the bottom of the water collecting barrel is open. According to the utility model, through the design of the connecting mechanism, the limiting assembly and the clamping assembly, on the connecting structure, the bidirectional screw is utilized to drive the clamping plate to move, and the locking plate with a tooth groove in the clamping assembly is engaged with each other, so that the measuring scale is stably clamped on the inner side of the clamping plate, the stability of the connection between the measuring scale and the water collecting barrel is greatly enhanced, and the potential safety hazard is reduced; the arrangement of the water outlet hopper effectively prevents blockage during water sample pouring, and solves the problems that the water collecting bucket is easy to fall off and impurities in water easily block a one-way valve in the water outlet due to the fact that the connection between the measuring scale and the water collecting bucket is easy to loosen in the existing device.

A waterway system of a commercial water dispenser comprises a water purifying device, a purified water tank, a hot water tank, a first water pump, a second water pump, a first faucet and a second faucet, a water inlet of the water purifying device is connected with a water source, a water inlet of the first water pump is connected with a water outlet of the water purifying device, and a water outlet of the first water pump is connected with a water inlet of the purified water tank. A water inlet of the second water pump is connected with a water outlet of the purified water tank, a water outlet of the second water pump is connected with a water inlet of the hot water tank, a water outlet of the purified water tank is connected with the first faucet, and a water outlet of the hot water tank is connected with the second faucet. The water purifying device is connected with the purified water tank through the first water pump, the purified water tank is connected with the hot water tank through the second water pump, and the second water pump can pump purified water in the purified water tank into the hot water tank, so that water discharged from the first faucet (cold water) and the second faucet (hot water) is filtered purified water, and the quality of discharged water of the water dispenser is improved; therefore, people can drink healthy water.

The present invention provides a water storage module for greening a sloped roof, belonging to the technical field of three-dimensional greening of buildings, comprising a heat-insulating water storage tank, a water-absorbing hollow block material, and a retaining water guide plate, wherein the water-absorbing hollow block material is arranged in the heat-insulating water storage tank; the retaining water guide plate is clamped between the inner side wall of the heat-insulating water storage tank and the top edge of the water-absorbing hollow block material, and the bottom end is stuck in a positioning groove at the bottom of the heat-insulating water storage tank. The present invention can simultaneously meet the two major requirements of storing a large amount of rainwater and preventing sliding required for greening on a sloped roof, and the heat-insulating water storage tank is made of EPS foam plastic, and the tank is provided with a tank water hole and a positioning groove, which simplifies the installation operation of the retaining anti-slip structure and the irrigation system.

The utility model provides a floor drain core, and belongs to the technical field of floor drains. The problem that an existing floor drain is unsmooth in drainage is solved. The floor drain core comprises a cylindrical main body, a first water outlet is formed in the bottom of the main body, a water outlet pipe is arranged in the main body and comprises a water inlet end and at least one second water outlet penetrating through the side portion of the main body, and a circulation channel communicated with the first water outlet is formed between the water outlet pipe and the main body. The space in the water outlet pipe is not communicated with the circulation channel. The floor drain core has the advantages that sewage of the washing machine and sewage on the ground are discharged separately, and the floor drain can discharge water smoothly.

The utility model belongs to the MBR flat membrane manufacturing field, concretely relates to a kind of MBR flat membrane supporting element.The supporting element includes support layer and surface layer, surface layer is arranged on the outer surface of support layer, and hole is equipped on surface layer;The support layer is net structure.The utility model is used to make membrane element, can improve water flux, reduce membrane element thickness and production cost.

The utility model relates to the field of water injection structures, in particular to a water injection structure of a sweeping robot base station. The technical problems that according to an existing water injection structure, tiny impurity particles remaining in tap water are mixed with cleaning liquid, the cleaning liquid mixed with impurities is used for a long time, a water injection opening in a sweeping robot base station and the interior of a sweeping robot are prone to being blocked, and normal work of a device is affected are solved. According to the technical scheme, the base station water injection structure of the sweeping robot comprises a base station, a sealing butt-joint assembly, a filtering water injection assembly and a dust collection assembly; compared with a traditional water injection structure, the water injection structure has the advantages that the sleeve rod filled with the cleaning liquid is sealed through the combination of the rotary buckle and the threaded rubber ring, leakage of the cleaning liquid is effectively prevented, water flow injected into the water storage tank is filtered through the filter screen, impurities and particles in water are filtered out, and it is guaranteed that the water flow injected into the base station is purer and cleaner; meanwhile, the filter screen can prevent impurities and particles in the water storage tank from blocking the nozzle or the pipeline, and smooth water flow is ensured.

The utility model discloses a cleaning device for machining, which comprises two racks, a workbench is fixedly arranged at the upper ends of the racks, a cleaning box is fixedly arranged at the upper end of the workbench, and a cleaning cylinder is arranged in the cleaning box; the cleaning device further comprises an annular placing strip which is arranged on the lower portion of the interior of the cleaning cylinder, the annular placing strip is fixedly connected with the inner wall of the cleaning cylinder, an intercepting disc is arranged on the annular placing strip, the annular placing strip is fixedly connected with the intercepting disc in a clamped mode, and a filter screen is arranged in the intercepting disc. A grabbing rod is fixedly arranged at the middle position of the upper end of the filter screen; the water tank is arranged at the upper end of the rack transverse plate, a water pump is fixedly arranged at the upper end, located at the rear end of the water tank, of the rack transverse plate, a water inlet pipe is arranged at the upper end of the water pump, and the problems that waste water generated after cleaning is difficult to recycle and machining cleaning is not sufficient enough are solved through the structure.

The present invention provides a new type of side water inlet valve, including a body and a water inlet pipe, wherein the water inlet pipe is arranged on the upper side of the body, a water inlet channel is arranged in the water inlet pipe, a water outlet channel is arranged in the body, and a guide piece is arranged on the body, which is connected with the water inlet channel and used to guide water upward and vertically discharge water from a certain height downward to the water outlet channel, and an open gap communicating with the outside is formed between the upper end surface of the water outlet channel and the lower end surface of the guide piece to prevent water in the water tank from flowing back into the water inlet channel. The present invention arranges the water outlet above the water outlet channel with a spacing between the two, thereby keeping the water outlet from directly contacting the highest water surface, and maintaining a spacing of 20 mm, so that the water in the water tank will not flow back into the pipe, thereby not polluting the water source.

The utility model relates to the technical field of pet drinking cups, in particular to a portable and practical pet drinking cup which comprises a water storage head, a decorating part, a water outlet control assembly and a fixing part, the decorating part is connected to the bottom surface of the water storage head in a sleeved mode, and the fixing part is connected to the inner side of the bottom of the water storage head in a sleeved mode. The water outlet control assembly is located between the water storage head and the fixing piece. According to the pet drinking cup, due to the carefully-designed sealing and leakproof structure which comprises the upper silica gel waterproof plug, the lower silica gel waterproof plug and the silica gel waterproof ring, the sealing performance and leakproof performance of the pet drinking cup are remarkably improved, water flow can be easily controlled by using the switch which is stable and easy to operate, and meanwhile, the water flow and air circulation of the drinking cup are optimized in design, so that the service life of the pet drinking cup is prolonged. The water outlet and the air inlet ensure that water flow is continuous, smooth and sanitary, water quality is prevented from being polluted by the outside, and the unique water inlet and outlet control part enables the product to be practical in function, smooth in water outlet, free of water leakage, simple in structure, low in price and good in quality.

The present application relates to heat pump equipment technical field, especially to a kind of performance optimization promotion heat pump equipment, it is distributed with multiple grid plates in the periphery of mounting frame, multiple grid holes distributed on grid plate are respectively through to the inside of mounting frame to connect air flow passage;Titanium tube heat exchanger assembly includes water inlet pipe, water outlet pipe and multiple heat exchangers, the water inlet of each heat exchanger is connected to water inlet pipe, the water outlet of each heat exchanger is connected to water outlet pipe;Fin heat exchanger includes several mutually superimposed heat exchange combination layers, each heat exchange combination layer extends along the air extraction direction of air extractor;The extension start of each heat exchange combination layer is mutually superimposed in the position close to air extractor, the extension end of each heat exchange combination layer is mutually staggered in the position away from air extractor.The present application is a kind of performance optimization promotion heat pump equipment, which is improved from multiple aspects to optimize the structure of heat pump equipment, and further improves the heat exchange performance of heat pump equipment.

The utility model discloses a water supply and drainage filtering device for a water conservancy project, and relates to the technical field of water conservancy project drainage. Comprising a water inlet pipe and a water outlet pipe, and the filtering structure is arranged between the water inlet pipe and the water outlet pipe and is used for filtering drained water of the water conservancy project. Through the arrangement of the filter structure, the adsorption plate, the filter plate and the microporous filter screen are arranged in the filter cavity, so that water supply and drainage can be filtered, and the adsorption plate, the filter plate and the microporous filter screen can be regularly cleaned through the arranged cleaning head, so that a filter medium is prevented from being blocked by impurities, the filter efficiency is kept, and smooth water flow is ensured; accumulation of dirt and sediments can be reduced, the risk of aging and damage of equipment is reduced, the service life of the equipment is prolonged, the cleaning head can avoid water flow interruption or incomplete filtration caused by blockage of the filter plate or the filter screen, and long-term stable work of the water supply and drainage system is ensured.

The invention discloses a decontamination type water tank for a central heating and heat exchange station, and belongs to the technical field of decontamination type water tank treatment.The decontamination type water tank for the central heating and heat exchange station comprises a decontamination water tank body, a water inlet main pipeline is installed on one side of the decontamination water tank body, and a first water distribution pipe and a second water distribution pipe are fixedly installed at the two ends of the water inlet main pipeline respectively; the two sides of the lower end of the decontamination water tank are fixedly connected with water outlet pipelines respectively; an automatic partitioning mechanism is installed in the sewage removal water tank, a driving mechanism is installed at the upper end of the automatic partitioning mechanism, tank wall cleaning mechanisms are symmetrically arranged on the two sides of the automatic partitioning mechanism, and fixing frames are symmetrically and fixedly installed on the two sides of the sewage removal water tank. By designing the matched automatic zoning mechanism, the first water distribution pipe and the second water distribution pipe, the area in the water tank is divided into two parts for cleaning, so that the whole system is prevented from being shut down, and the stability of the heat exchange efficiency is ensured.