35results about How to "Sewage thoroughly" patented technology

The invention relates to a constant-pressure jet-type water purifier. The constant-pressure jet-type water purifier comprises a shell, a mixing chamber, a reaction chamber and filtering chambers. The constant-pressure jet-type water purifier is characterized in that a nozzle pipe is arranged at the bottom of the shell; the lower end of the nozzle pipe is connected with a raw water pipeline through a water inlet pipe and a water inlet switching valve; the upper end of the nozzle pipe extends into the mixing chamber, and a nozzle is arranged at the upper end of the nozzle pipe; a settling chamber is constructed by a shell inner cavity space outside the mixing chamber and the reaction chamber; the bottom of the settling chamber is an active sludge active sediment area; a blow-off pipe which is communicated with the active sludge active sediment area is arranged at the bottom of the shell; the upper part of the inner cavity of the shell is provided with a sloping plate assembly; the sloping plate assembly comprises at least two layers of perforated sloping plates; the inclination directions of the adjacent perforated sloping plates in upper and lower layers in the sloping plate assembly are opposite; the pore diameter of the upper-layer sloping plate is smaller than the pore diameter of the lower-layer sloping plate; spaces below filter plates are clear water areas; all the clear water areas are communicated with one another; a water outlet pipe which is communicated with the clear water areas is arranged at the bottom of the shell. The constant-pressure jet-type water purifier has the advantages of low energy consumption, complete blowdown, realization of continuous water supply and small floor area.

The invention belongs to the field of aquaculture engineering, particularly relates to an efficient full-time double-layer-flowing pollution discharging device. The efficient full-time double-layer-flowing pollution discharging device comprises a surface overflowing pollution discharging unit, a bottom surging pollution discharging unit and a flow varying and adjusting unit, wherein the surface overflowing pollution discharging unit is used for removing foam floating objects on the surface of an aquaculture water body, the bottom surging pollution discharging unit is used for removing sewage at the bottom of the aquaculture water body, and the flow varying and adjusting unit is used for high-speed pollution discharging. When water inflowing and water outflowing of an aquaculture system are normal, biological excrement in the water body can be discharged through a surface flow and a bottom flow at the same time, and especially, short-time efficient pollution discharging can be realized by changing a drainage water level difference by automatically controlling and opening an electric valve timely or manually plugging in or unplugging a water level adjusting unit. The efficient full-time double-layer-flowing pollution discharging device is applicable to pollution discharging of culturing ponds, made of different materials, in an industrialized recirculating aquaculture system, especially suitable for culturing tanks which are free of pre-buried bottom pollution discharging structures and made of flexible materials, and capable of overcoming the difficulty in pollution discharging at the bottom of the water body.

Belonging to the field of water treatment equipment, the invention provides a water treatment device and an installation method thereof, and solves the troublesome cleaning problem of existing water treatment filtering devices. The water treatment device includes a shell, the shell comprises a shell wall and a shell bottom, a cover plate is fixed at the top of the shell wall, and the device also includes a filter cylinder with the top fixed at the bottom of the cover plate, the bottom of the filter cylinder abuts against the top surface of the shell bottom, a motor is fixed at the top of the cover plate, the motor shaft passes through the cover plate and is equipped with a fixed scraping rod, a scraping plate with an outer side edge abutting against the filter cylinder inner wall is fixedon the scraping rod, a filtering area is formed in the filter cylinder, a sedimentation area is formed between the filter cylinder and the shell wall, a filtration sewage outlet and a sedimentation sewage outlet are respectively disposed on the shell bottom at the filtering area bottom and the sedimentation area bottom, the shell wall close to the shell wall top is equipped with a sewage inlet andpurified water outlet respectively, the device also includes a sewage pipe, one end of the sewage pipe is connected to the sewage inlet, and the other end passes through the filter cylinder and is located in the filtering area. The water treatment device provided by the invention has a reasonable structure, realizes automatic cleaning and sewage discharge, and is very simple and convenient to install.

The invention claims a novel water-saving direct-discharge toilet, which consists of a cover, a seat ring, a urinal, a metal bracket, a support wheel, a support wheel frame, a pedal plate, a pull spring, a water spray pipe, a spray nozzle, an ultraviolet pipe and an electronic control box. The toilet is simple in structure, and the cover and the urinal can be made of various metal materials, nonmetal materials or synthetic materials. The novel water-saving direct-discharge toilet is attractive in decoration effect and can automatically disinfect the seat ring by the ultraviolet; a drainage pipe is variable and is in a direct discharge form in the drainage process and in an S-bending form in the water sealing process. The novel water-saving direct-discharge toilet is attractive and firm, safe, sanitary, sealed, silent in use, water-saving, blockage-preventing, easy easy-manufacturing and space-saving.

The invention discloses a pond food field area contamination drainage system with the back flushing function. The system is characterized in that the contamination drainage system is composed of a pond bottom contamination drainage system and a back flushing system. When the contamination drainage system is used for feeding in a food field area, contamination is drained every other 3-5 days. According to the specific method, firstly, a contamination drainage valve is opened for draining contamination, then, the contamination drainage valve is closed, a back flushing pump is started, contamination drainage is performed again after the back flushing pump is turned off, and organic matter at the pond bottom of the food field area can be basically drained through 2-3 times of back flushing contamination drainage. According to the system, contamination drainage is thorough, accumulation of the organic matter at the bottom of the pond food field area is little, time is short every time contamination drainage is performed, fish feeding is not affected, good pond water quality can be kept, and the yield and the benefits of pond cultivation are increased; back flushing contamination drainage is continuously performed in the cultivation period, sludge at the pond bottom can be kept little for a long time, the effective water body of a pond is large, it is beneficial to yield increase, and besides, the pond does not need frequent large-scale dredging, and production cost can be reduced.

The invention relates to the field of plastic processing equipment, in particular to a novel reprocessed plastic cleaning device. The novel reprocessed plastic cleaning device is characterized in that a cleaning tank is of a tank body structure with the top opened; a lifting mechanism is fixed above the cleaning tank; a screen cage is arranged in the cleaning tank and connected with the lifting mechanism; a cage cover is arranged on one side of the screen cage; three layers of sliding ways are sequentially fixed in a flushing tank from left to right; a filter screen is arranged in each of the three layers of sliding ways, so that the interior of the flushing tank is sequentially divided into four cavities from left to right; the cavity at the leftmost end of the flushing tank communicates with the lower portion of the cleaning tank through a connecting pipe; the lower end of a lower flushing pipe is inserted into the cavity at the rightmost end of the flushing tank, and the upper end of the lower flushing pipe is connected with a water pump; and the water pump is connected with a spray head through an upper flushing pipe. According to the novel reprocessed plastic cleaning device, workers only need to put in and take out plastic, and the labor intensity of the workers is quite small.

The invention discloses a layered filter device and method for sludge treatment. The device comprises a tank body, footings, a motor base and a pump base, wherein the bottom legs are arranged at the bottom surface of the tank body, a liquid outlet tube is arranged beside the footings, an electromagnetic valve is arranged outside the middle of the liquid outlet tube, and a flow sensor is arranged on the side surface in the liquid outlet tube. The layered filter device has the beneficial effects that a servo motor drives a mixing roller to rotate so as to accelerate sludge filtering progress; the flow sensor can acquire discharge capacity of the filtered water in real time and a display screen displays the discharge capacity in real time, so that a user can observe and perform statistics analysis conveniently; the sludge filtering progress in the tank body can be known in real time through an infrared camera and can be shown on the display screen in real time, so that the user can control the sludge filtering progress accurately; a hydraulic pump drives a scraper to move transversely so as to push out filtered sludge through a drainage pipe, so that an automatic drainage function isrealized, and the device can be promoted and used more extensively.

The invention relates to a water filter for cooling, sealing and supplying water, which comprises: a water inlet pipe, a tank body, a filter bowl (screen), a dirt-collection box, a blow-down pipe, a floater outlet, and an outflow pipe with a discharge valve. This invention overcomes completely the blockage problem of filter bowl (screen) in prior art by much of garbage, sand and aquatic life, has a little change to current structure, and has strong applicability.

The invention discloses a self-mucosa automatic closed odorless non-blocking ground leakage. A ground leakage body is in a funnel shape; the upper opening of the ground leakage body is provided with a draining cover; the lower opening is provided with a membrane sealing and trapping device; the membrane sealing and trapping device does not evaporate, continuously closes without discontinuity, does not return stink, have passing insects, store water, multiply bacteria, generate stink, breed insects, block and overflow, has large flow and convenient use, does not need to be frequently added with water and cleared, has simple structure, is easy to manufacture, saves labors and materials, and has low cost.

The waterfall type washing hanging toilet bowl comprises a seat ring panel and a container bag, and the container bag is provided with a urinal, a drainage channel and a flushing structure; the flushing structure comprises a water inlet cavity formed in the rear end of the urinal, a first water guide channel and a second water guide channel, the first water guide channel and the second water guide channel are arranged along the periphery of the top of the urinal, the first water guide channel is arranged at the rear end of the urinal, and first water distribution holes are formed in the top face of the first water guide channel. The second water guide channels are continuously arranged on two sides and the front end of the urinal, flushing holes are formed in the end faces of one ends of the second water guide channels, and second water distribution holes are formed in the top faces of the other ends of the second water guide channels. The seat ring panel is provided with a water guide check ring extending into the urinal; water baffles are arranged at the two ends of the second water guide channel of the urinal, and preset distances are formed between the water baffles and the seat ring panel; a water guide groove is formed between the water baffle close to the flushing hole and the second water guide channel, and the water guide groove is located behind the side of the drain outlet. According to the waterfall type washing hanging toilet, the 360-degree waterfall type washing effect can be achieved, washing residues are avoided, the flushing structure is not prone to hiding dirt, and the flushing effect is good.

The invention discloses a self-adhesive film self-closing odorless water-saving urinal. No water return elbow is formed in a drainage pipe under the drainage port of the urinal; the drainage port of the urinal is funnel-shaped; a film sealing air separation device is arranged in the drainage port; and no flushing ring is formed over the cavity of the urinal, but only one micro nozzle is arranged. The film sealing air separation device does not evaporate, return odor, accumulate water, scale or produce odor but completely discharges the urine so as to ensure easy flushing and low water consumption, namely only 0.25 to 0.5 L of water is used for every time after urinating; and the micro nozzle not only keeps the urinal away from peculiar smell, but also ensures extremely low water consumption during the flushing of the urinal. Because a flushing ring is eliminated and no water return elbow is formed, the urinal not only saves water during the flushing but also ensures simple structure, easy manufacturing and low cost.

The invention discloses a water wave sewage-drain device which comprises a sewage suction pump, a sewage suction pipe and a base plate. The sewage suction pump is installed on the base plate, one end of the sewage suction pipe is connected to a suction inlet of the sewage suction pump, the other end of the sewage suction pipe is provided with multiple notches, and blades are arranged on the portions, near the notches, of the sewage suction pipe. When the water wave sewage-drain device works and sewage and foam on the surface of a pond are sucked into the sewage suction pipe, the sewage and the foam form a vortex to be rapidly sucked into the sewage suction pipe to be discharged to the exterior of the pond. When the foam passes through the blades before entering the sewage suction pipe, the blades can cut the foam to destroy the tension of the surface of the foam, therefore the foam is easy to be sucked into the sewage suction pipe, and the foam can be rapidly discharged. The water wave sewage-drain device has the advantages that the sewage on the water surface of the pond can be effectively drained, the sewage draining time is short, and the sewage draining is thorough.

The invention discloses a submerged hollow fiber membrane element comprising upper and lower end covers, a membrane shell, a plurality of hollow fiber membrane filaments and sealing and fixing layers at upper and lower ends; the invention also discloses a hollow fiber membrane element using the submerged hollow fiber membrane element Fiber membrane module, including box body, concentrated water collector, quick-installation fasteners, product water cover, lifting parts, seals, partitions, multiple submerged hollow fiber membrane elements, water inlet cover and air distributor The present invention also discloses a hollow fiber membrane system using the submerged hollow fiber membrane unit, comprising a plurality of submerged hollow fiber membrane units, water inlet / drainage pipelines, air intake pipelines, concentrated water pipelines and Water pipeline. The invention has the advantages of simple structure, high anti-pollution and cleaning effect, high interchangeability, long service life, low investment cost, convenient transportation, convenient installation and maintenance, and saves system occupation and engineering costs.

The invention discloses a high-pressure stop / pollution discharge ball core valve, belonging to the field of high-pressure valve devices. The valve comprises a valve body (1) and a valve core (5); the valve core (5) is of a ball shape, and is provided with a key slot; and a liquid inlet (8) and a liquid outlet (12) are arranged outside the valve body (1). The valve is characterized in that the valve core (5) is installed in the valve body (1) through a valve seat (6); the valve core is connected with a handle (5) or a speed reduction motor through a rotary shaft (2); two pressure balance channels (13) which are communicated with each other and have equal apertures are arranged at two sides of the valve core (5) in the valve body (1); one end of each pressure balance channel (13) is communicated with a main channel in the valve body (1), and the other end of each pressure balance channel (13) is sealed with a seal screw (14) and a seal ring (7), and thus a closed water groove is formed. The valve has the advantages of flexible opening, reliable sealing and small rotation torque, and can be used in fluid with high pressure and serious pollution, and the valve can be used alternatively under program automatic control and manual control.

The invention discloses a filter chamber with a floating plate, which is characterized in that a plurality of drain holes are arranged at the side wall of a drainage channel and communicated with the filter chamber. The sides of the drain holes close to the drainage channel are provided with the floating plate and the drainage channel is connected with a main drainage channel by a drain valve. The invention has the advantages that by combining respective advantages of a V-shaped filter chamber and a flap-type filter chamber and adopting the arrangement of a center drainage channel of the V-shaped filter chamber, the filter chamber with the floating plate can shorten the length of the drain flow path, improve the drainage uniformity and reduce the re-settlement of suspended particles, thusrealizing more complete sewage disposal. Furthermore, by arranging a side wall in the drainage channel, replacing flaps with a plurality of floating plates and controlling synchronous on-off by the use of the drain valve, washing with high expansion and continuous washing with micro expansion can be realized to improve the washing effect and drainage uniformity and extend the area of a single tank.

The invention provides a material cleaning device and a cooking appliance. The material cleaning device comprises a cleaning cavity, a sealing component, a water pumping groove sheet and a power device. A discharge opening and a sewage draining exit are arranged at the bottom and the side of the cleaning cavity; the sealing component is arranged on the discharge opening and is capable of moving relative to the cleaning cavity, so that the discharge opening is opened or closed; the water pumping groove sheet is arranged in the cleaning cavity and a sewage draining channel, which communicates with the sewage draining exit, is surrounded and defined by the water pumping groove sheet and the inner wall surface of the cleaning cavity; and the power device is connected to the cleaning cavity andis used for offering power for discharging dirt in the cleaning cavity. According to the material cleaning device provided by the invention, by arranging the water pumping groove sheet in the cleaning cavity and by discharging sewage through the sewage draining channel which is surrounded and defined by the water pumping groove sheet and the inner wall surface of the cleaning cavity, such dirt aswastewater in the cleaning cavity can be discharged from sewage draining exit through the sewage draining channel on the basis of power which is offered by the power device; therefore, the device isquite convenient; and the device is rapid and thorough in sewage discharge.

The invention discloses a waste gas conveying and treatment device for environment-friendly equipment, and belongs to the field of waste gas treatment devices. The waste gas conveying and treatment device for the environment-friendly equipment comprises a tower body, a round hole is formed in the side end of the tower body, a circular rod is slidably connected with the interior of the round hole, a rectangular plate is fixedly connected to the inner wall of the tower body, and a rectangular groove is formed in the end, close to the rectangular plate, of the circular rod; the rectangular plate is slidably connected to the interior of the rectangular groove, and a pair of mutually symmetric arc-shaped plates are fixedly connected to the outer end of the circular rod; the arc-shaped plates are located in the tower body; the arc-shaped plates are fixedly connected with each other, and a plurality of evenly-distributed soft brushes are fixedly connected to the lower ends of the arc-shaped plates. The circular rod, the rectangular plate, the arc-shaped plates and the soft brushes are cooperatively used so that waste water at the bottom of the tower body can be conveniently stirred, then waste residues are not easy to accumulate at the bottom of the tower body, the waste residues are fully mixed with the waste water, the waste residues are convenient to discharge along with the waste water, sewage discharge is more thorough, and then waste residue accumulation is not likely to occur at the bottom of the tower body.

The invention discloses a flushable external pressure type ultrafiltration filter core assembly and a water purifier. The ultrafiltration filter core assembly comprises a filter shell and a filter core arranged in the filter shell, a raw water total inlet is arranged at the water inlet end of the filter shell, a purified water total outlet and a dirt total outlet are arranged at the water outlet end of the filter shell, the filter core comprises a water purifying chamber formed in the filter shell and hollow fiber ultrafiltration membrane filaments placed in the water purifying chamber, a wall of the water purifying chamber is provided with a raw water inlet, a purified water outlet and a dirt outlet , a tube port at one end of the hollow fiber ultrafiltration membrane filaments is sealed, a tube port at the other end of the hollow fiber ultrafiltration membrane filaments is communicated with the purified water outlet, a purified water cavity is arranged between the water purifying chamber and an end cover at the water outlet end of the filter shell, and the purified water cavity is communicated with the purified water outlet and the purified water total outlet; and a sewage cavity is also arranged between the water purifying chamber and the end cover at the water outlet end of the filter shell, the sewage cavity is positioned at one side of the purified water cavity opposite to the water purifying chamber, and the sewage cavity is communicated with the dirt outlet and the dirt total outlet. The flushable external pressure type ultrafiltration filter core assembly prolongs the life of the filter core, increases the total purified water amount and reduces the use cost of a consumer.

The invention provides an immersion type hollow fiber membrane element. The immersion type hollow fiber membrane element comprises an upper end cover, a lower end cover, a membrane shell, a plurality of hollow fiber membrane filaments, an upper end sealing fixing layer and a lower end sealing fixing layer. The invention also discloses a hollow fiber membrane module device adopting the immersion type hollow fiber membrane element. The hollow fiber membrane module device comprises a box body, a concentrated water collector, a quick-mounting fastener, a water production sealing cover, a hoisting piece, a sealing piece, a partition plate, a plurality of immersion type hollow fiber membrane elements, a water inlet sealing cover and a gas distributor. The invention further discloses a hollow fiber membrane module device system adopting the immersion type hollow fiber membrane module device. The hollow fiber membrane module device system comprises a plurality of immersion type hollow fiber membrane module devices, a water inlet / blow-off pipeline, a gas inlet pipeline, a concentrated water pipeline and a water production pipeline. The device is simple in structure, high in pollution resistance and cleaning effect, high in interchangeability, long in service life, low in investment cost, convenient to transport, convenient to install and maintain, and capable of saving the occupied space of the system and the engineering cost.

The invention discloses a blow-down valve and a disassembly-free filter. The blow-down valve comprises a valve body and a driving mechanism for driving a valve element in the valve body to rotate; the device further comprises a cleaning brush. The cleaning brush is fixed to the driving mechanism or the valve element, and when the driving mechanism acts, the cleaning brush is in linkage with the driving mechanism and can clean the container wall or the pipe wall or the filter screen. The blow-down valve and the disassembly-free filter are easy to implement and convenient to use.

The invention relates to an intelligent air compression control and exhaust system of a medical air pressurized oxygen chamber. The intelligent air compression control and exhaust system comprises anair compressor (24), a drying machine (25), a gas-liquid separator (26) and an air storage tank (27). The intelligent air compression control and exhaust system is characterized in that discharge pipes (18) are respectively connected to the lowest point of a high-pressure air output end of the air compressor (24), the lowest point of the drying machine (25), the lowest point of the gas-liquid separator (26), the lowest point of the air storage tank (27) and the lowest position of an air source output pipe (17), a first pneumatic angle seat valve (1), a second pneumatic angle seat valve (2), athird pneumatic angle seat valve (3), a fourth pneumatic angle seat valve (4) and a fifth pneumatic angle seat valve (5) are installed on the corresponding discharge pipes (18), the pneumatic angle seat valves are controlled by corresponding two-position three-way valves, air inlets of the pneumatic angle seat valves are respectively connected with the air storage tank (27), and electromagnetic valve coils of the two-position three-way valves are controlled by a control cabinet (28). The intelligent air compression control and exhaust system has the advantages of good emptying effect, safety and reliability, and the service life of equipment can be prolonged.

The invention discloses a high-pressure stop / pollution discharge ball core valve, belonging to the field of high-pressure valve devices. The valve comprises a valve body (1) and a valve core (5); the valve core (5) is of a ball shape, and is provided with a key slot; and a liquid inlet (8) and a liquid outlet (12) are arranged outside the valve body (1). The valve is characterized in that the valve core (5) is installed in the valve body (1) through a valve seat (6); the valve core is connected with a handle (5) or a speed reduction motor through a rotary shaft (2); two pressure balance channels (13) which are communicated with each other and have equal apertures are arranged at two sides of the valve core (5) in the valve body (1); one end of each pressure balance channel (13) is communicated with a main channel in the valve body (1), and the other end of each pressure balance channel (13) is sealed with a seal screw (14) and a seal ring (7), and thus a closed water groove is formed. The valve has the advantages of flexible opening, reliable sealing and small rotation torque, and can be used in fluid with high pressure and serious pollution, and the valve can be used alternatively under program automatic control and manual control.

The invention discloses a water heater water outlet and air inlet valve assembly and a water heater and belongs to the field of water heaters and parts thereof. The water heater water outlet and air inlet valve assembly is designed to solve the problem that existing devices are difficult to machine and comprises a shell and a valve element arranged in the shell. A sleeve opening used for draining water and sucking air is formed in the upper portion of the shell, and an air inlet and a drain outlet are formed in the lower portion of the shell. The valve element comprises two spherical structures internally provided with channels separately, the first spherical structure is used for communicating with or switching off an air inlet channel, and the second spherical structure is used for communicating with or switching off a water outlet channel. The water heater comprises a shell, a liner and the water outlet and air inlet valve assembly. An air pipe and a water outlet hole are located in the liner. The water heater water outlet and air inlet valve assembly and the water heater are easier to machine, low in cost, good in water outlet and air inlet effect, capable of draining water and sucking air at the same time or only sucking air without draining water and more convenient to use.

The invention belongs to the field of water environment purification, and specifically relates to a pool with the function of cleaning floating objects on the water by self-flowing water, including a pool body, and a cleaning device is installed in the pool body, and the cleaning device includes a transmission belt, which is used to support and drive the transmission belt to move The driving wheel assembly and the filter screen laid on the transmission belt, wherein the driving wheel assembly includes the first driving reel, the second driving reel and a transition wheel located at the lower end between the two, the transition wheel is used to make the transmission belt pass through the pool body At the lower end, the transmission belt includes a hollow section and a filter section. The filter screen is arranged on the filter section of the transmission belt. The filter screen can transport the floating objects to the outside of the pool body as the transmission belt moves. The invention can realize the recycling of the water body; based on the comprehensive coverage of the water body by the cleaning device, the invention can more thoroughly collect and discharge the floating objects on the water, effectively improving the sewage discharge efficiency; and solves the problem of cleaning floating garbage in small water areas.

The invention discloses a scraper bucket trash remover. The scraper bucket trash remover comprises a bracket, a winding drum (1) arranged on the bracket, a driving motor (2) connected with the winding drum (1), and a wire sling (3) connected with the winding drum (1), wherein the other end of the wire sling (3) is connected with a scraper bucket body (4); revolving shafts are welded on both sides of the scraper bucket body (4), and are connected with a scraper bucket revolving shaft support block (5) in a matching way; the scraper bucket revolving shaft support block (5) is arranged on a scraper bucket bracket (6); scraper bucket guide wheels (7) for guiding are arranged on the scraper bucket bracket (1). The scraper bucket trash remover is reasonable in structural design, is convenient to operate, is low in working energy consumption and low in manufacturing cost, is free from a complex lifting trash removing system, works reliably, and is easy to use and repair. The opening and closing degrees of the scraper bucket body can be up to 90 degrees, thereby realizing bearing of more trashes and more complete trash removing.

The invention belongs to the field of water environment purification, and particularly relates to a pool with a self-flowing type water floating object cleaning function. The pool comprises a pool body, wherein a cleaning device is installed in the pool body in a matched mode; the cleaning device comprises a transmission belt, a driving wheel assembly used for supporting and driving the transmission belt to move and a filter screen laid on the transmission belt; the driving wheel assembly comprises a first driving rolling wheel, a second driving rolling wheel and a transition wheel located atthe lower end between the first driving rolling wheel and the second driving rolling wheel; the transition wheel is used for enabling the transmission belt to pass through the lower end of the pool body; the transmission belt comprises a hollow section and a filter section; the filter screen is arranged on the filter section of the transmission belt; and the filter screen can convey floating objects to the outside of the pool body along with the movement of the transmission belt. According to the pool, the cyclic utilization of a water body can be realized; based on the comprehensive coverageof the cleaning device on the water body, the collection and pollution discharge of the water floating objects are more thorough, and the pollution discharge efficiency is effectively improved; and the problem of floating garbage cleaning of a small water area is solved.

The invention relates to a constant-pressure jet-type water purifier. The constant-pressure jet-type water purifier comprises a shell, a mixing chamber, a reaction chamber and filtering chambers. The constant-pressure jet-type water purifier is characterized in that a nozzle pipe is arranged at the bottom of the shell; the lower end of the nozzle pipe is connected with a raw water pipeline through a water inlet pipe and a water inlet switching valve; the upper end of the nozzle pipe extends into the mixing chamber, and a nozzle is arranged at the upper end of the nozzle pipe; a settling chamber is constructed by a shell inner cavity space outside the mixing chamber and the reaction chamber; the bottom of the settling chamber is an active sludge active sediment area; a blow-off pipe which is communicated with the active sludge active sediment area is arranged at the bottom of the shell; the upper part of the inner cavity of the shell is provided with a sloping plate assembly; the sloping plate assembly comprises at least two layers of perforated sloping plates; the inclination directions of the adjacent perforated sloping plates in upper and lower layers in the sloping plate assembly are opposite; the pore diameter of the upper-layer sloping plate is smaller than the pore diameter of the lower-layer sloping plate; spaces below filter plates are clear water areas; all the clear water areas are communicated with one another; a water outlet pipe which is communicated with the clear water areas is arranged at the bottom of the shell. The constant-pressure jet-type water purifier has the advantages of low energy consumption, complete blowdown, realization of continuous water supply and small floor area.

The invention discloses an integrated multi-function water separator, and relates to the technical field of fluid transportation and control. The integrated multi-function water separator comprises a water supply unit, a water return unit and a support, wherein the water supply unit and the water return unit are both arranged on the support; the water supply unit comprises a water supply auxiliary lever and a water supply main lever; the water supply auxiliary lever and the water supply main lever are communicated through a connecting pipe; the connecting pipe is provided with a first sewage discharge outlet; the auxiliary water supply lever is provided with a water supply blowoff valve; the main water supply lever is provided with a filter; the water return unit comprises a main water return lever; the main water return lever is provided with a water return blowoff valve and a second sewage discharge outlet; a tee joint is detachably arranged in the second sewage discharge outlet; and one connector of the tee joint is communicated with the first sewage discharge outlet. According to the integrated multi-function water separator, the filter is integrally installed, forward and directional flushing of the filter is achieved through the water supply blowoff valve and the water return blowoff valve, sewage discharge is thorough, integrated installation is achieved, middle connection is reduced, the leakage risk is reduced, safety is high, space is saved, overhaul and maintenance difficulty is low, and installation is convenient.

The invention discloses a column type heat exchanger and an application method and a cleaning and maintaining method thereof and belongs to the field of chemical energy sources. The column type heat exchanger comprises inner straight tubes connected to inner vertical elbows, outer straight tubes and outer tube communicating tubes are connected to form single column type sleeve heat exchangers, adjacent two single column type sleeve heat exchangers are connected through an inner tube connecting tube and an outer tube connecting tube to form a heat exchanger main body, three-way joints of innerand outer rubes are separately connected to the middle parts of the inner and outer connecting tubes for connecting a stop valve, a blowoff pipe and a cleaning tube and the like, ribs are mounted on two sides of each inner straight tube for supporting, and an expansion joint of a corrugated tube is mounted in the middle of each outer straight tube for absorbing thermal expansion of a pipeline. Thecolumn type heat exchanger is reasonable in structural design, and can solve the technical problem that a conventional double-pipe heat exchanger is easy to form scale and block and is not easy to detach, clean and maintain effectively.