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44results about How to "Reduce flushing water consumption" patented technology

Conveying belt cleaning device for belt conveyer

The invention discloses a conveying belt cleaning device for a belt conveyer. The conveying belt cleaning device comprises a connection hanging bracket, a top water spraying system, an end part water spraying system, a compressed gas blowing-drying system, a carrier roller, a carrier roller rack, scraping knife systems, a mud collection box and the like. The conveying belt cleaning device disclosed by the invention is applicable to cleaning for a conveying belt of the belt conveyer, and in particular to an occasion with a high requirement on the cleanliness degree of the conveying belt of the belt conveyer and a high requirement on environmental protection. The device is installed on a return-stroke conveying belt of the belt conveyer, and on an inclined section or a horizontal section. A material adhesion force is reduced through the water spraying systems of the device, and materials adhered onto the conveying belt are effectively cleaned through the two scraping knife systems, so that material scattering of the belt conveyer on the way is reduced and even avoided, the environment of a plant is improved, and the workload of cleaners in the plant is reduced. The device has the advantages of being easy to install, low in member cost, easy to adjust, not provided with a drive component, convenient to maintain, long in service life, capable of prolonging the service life of the conveying belt, and the like.
Owner:MCC NORTH (DALIAN) ENG TECH CO LTD

Night-soil on-site treatment system and treatment method thereof

The invention provides a night-soil on-site treatment system. The night-soil on-site treatment system comprises a screw elevator, a solid-liquid separating device, an overlap-spiral type sludge dewatering machine, a chemicals dosing plant and an aerobic fermentation device; wherein the screw elevator, the solid-liquid separating device, the overlap-spiral type sludge dewatering machine and the aerobic fermentation device are connected in sequence, and the chemicals dosing plant and the overlap-spiral type sludge dewatering machine are connected. According to the night-soil on-site treatment system and a treatment method thereof, urban night-soil is separated by a new night-soil pumping mode and working procedures such as solid-liquid separation, screw press dewatering, small dynamic aerobic fermentation, chunks of waste are transported to a refuse transfer station as household refuse, wastewater is transported to a sewage treatment plant via a sewer for treatment, and sludge is subjected to harmless treatment on site, all pollutants are well treated, meanwhile refuse reclamation can be performed to produce an organic fertilizer, the recycling use of resources is realized, and aims of harmlessness, reclamation and reduction of the treatment of the urban night-soil are truly achieved.
Owner:SHENZHEN LONGJISHUN IND DEV

Mechanical arm production aluminum profile rinsing device

The invention discloses a mechanical arm production aluminum profile rinsing device. The device comprises a base, a U-shaped plate and a bearing platform; the U-shaped plate is fixedly installed on the base; the bearing platform is fixedly installed above the base via a plurality of supporting rods; a rinsing box is movably arranged on the bearing platform; a main water guiding pipe is arranged atthe bottom of an inner cavity of the rinsing box; a plurality of branch water guiding pipe are equidistantly embedded on the main water guiding pipe; one end, away from the main water guiding pipe, of each branch water guiding pipe extends towards the upper part of the inner cavity of the rinsing box; two threaded rods are rotatably installed in the U-shaped plate via bearings in a front-and-backsymmetrical mode; a movable seat is arranged between the two threaded rods in a threaded penetration mode; a strip-type spraying nozzle is fixedly arranged at the bottom of the movable seat; and a water storage box is fixedly arranged at the top of the U-shaped plate. According to the device, while an aluminum profile is evenly rotated, the aluminum profile is rinsed from the upper part and the inner part, and the cleaning effect is better; through the arrangement of a dynamic balance water circulation system, the amount of water used for aluminum profile rinsing is greatly reduced; and the device has good economic benefits and practical significance.
Owner:熊祥

Variable, double, straight-line piping type of water-saving toilet

The variable, double, straight-line piping type of water-saving toilet of the present invention comprises: a main toilet body (10) having a bowl (11), a cistern (12), a water-supply pathway (13) connected to the rear of the bowl (11) from the cistern (12), and a cover part (14) which covers the lower part of the cistern (12) and the rear of the bowl (11) and is adapted to guide foul water discharged from the bowl (11) to a floor pipe (15); a variable, double, straight-line pipe (20) incorporating an inner pipe (21) of which one end is connected via a flexible tube (25) to the discharge port (13a) of the bowl (11), an outer pipe (22) which receives part of the inner pipe (21) on the inside thereof and which is equipped with spring-securing parts (22a) on the outside surface on two sides, and a connecting part (23) which forms a receiving space (23a) where cleaning water is received between the inner pipe (21) and the outer pipe (22), the pipe (20) being adapted so as to discharge the foul water and the cleaning water in the bowl (11) by rotating downward under its own weight due to the inflow of cleaning water into the receiving space (23a) because of the increase in cleaning water flowing into the bowl (11) during foul-water discharge; two brackets (30) which are secured either vertically or horizontally on both sides of the rear wall (11b) of the bowl (11), and are equipped with spring-fastening parts (31); and tension springs (40) which exhibit a resilient restoring force such that the variable, double, straight-line pipe (20) rotates upwards after foul-water discharge.
Owner:李钟寅 +1

Toilet bowl discharge pipeline

The invention discloses a toilet bowl discharge pipeline and belongs to the technical field of water-saving toilet bowls. The toilet bowl discharge pipeline comprises a flushing elbow, a water seal elbow and a discharge elbow. A water inlet of the flushing elbow is communicated with a drain hole in the bottom of a toilet bowl body, a water outlet of the discharge elbow is communicated with a sewer, and the center of a water outlet of the flushing elbow is higher than the center of a water inlet of the discharge elbow. One end of the water seal elbow is in sleeving connection with the water outlet of the flushing elbow, and the other end of the water seal elbow is in sleeving connection with the water inlet of the discharge elbow. When a toilet bowl matched with the toilet bowl discharge pipeline is used, due to the fact that the center of the water outlet of the flushing elbow is higher than the center of the water inlet of the discharge elbow, the water seal elbow swings, sewage is automatically discharged into the sewer based on the gravity, the water seal elbow swings again to return to the original position after water flushing, and a water seal can be formed with a little amount of stored water. The resistance of flushing water can be reduced through the discharge pipeline, complete flushing can be achieved with a little of water, the amount of the toilet flushing water is greatly reduced, and an obvious water saving effect is achieved.
Owner:李武

Nanofiltration-forward osmosis combined system adopting commercial nanofiltration membrane and forward osmosis membrane and application of nanofiltration-forward osmosis combined system

The invention relates to a nanofiltration-forward osmosis combined system adopting a commercial nanofiltration membrane and a forward osmosis membrane and application of the nanofiltration-forward osmosis combined system. A nanofiltration system adopts cross flow filtration, water passes from the two sides of the membrane, the filtration pressure and the circular flow are regulated through a frequency converter of a gear pump, and a PLC (Programmable Logic Controller) controls the whole. The quantity of reflux of concentrated water is controlled through the regulation of a valve so as to achieve different recovery rates. The effluent of nanofiltration fresh water is measured by a mass flowmeter controlled by the PLC, the result is stored in a PLC storage unit, so that the flux of infiltration water is recorded and acquired. The nanofiltration water inlet temperature is controlled by a water bath and keeps consistent with the temperature of a forward osmosis system, and the concentratedwater of the nanofiltration system flows out to a raw material solution tank of the forward osmosis system. A raw material solution is placed on a balance connected to a computer, and the change of the mass within the time interval set in advance is transmitted into the computer. The temperatures of the raw materials solution and a driving liquid are controlled through the water bath and keep consistent with the temperature of the nanofiltration system. The design flow of the system is 60 L / h, and the removal rate of dissolved organic matters is more than 90%. The membrane is replaced at regular intervals. The system is cleaned at regular intervals.
Owner:TONGJI UNIV

Spiral-flow type nasal cavity cleaning instrument

The invention relates to a spiral-flow type nasal cavity cleaning instrument. The instrument comprises a vessel, a spray pipe and an air inflation device, wherein a water outlet of the vessel is connected with a water inlet of the spray pipe through a water delivery pipe, the side wall of the spray pipe is provided with a plurality of nozzles, an air outlet of the air inflation device is connectedwith an air inlet of the vessel through an air delivery pipe, a distribution area of the nozzles in the side wall of the spray pipe comprises all pipe walls within a section of distance on the frontportion of the spray pipe, the front end of the spray pipe is a head of the spray pipe, the head of the spray pipe is provided with a plurality of nozzles, the tail portion of the spray pipe is internally provided with a spiral flow diversion propulsion device used for forming spiral flow, when fluid flows forward, a pipe body of the spray pipe is driven to rotate relative to a fixing seat, the spray pipe is internally provided with a coaxial inner pipe, and the inner pipe is located between the spiral flow diversion propulsion device and the head of the spray pipe in the axial direction. Thespiral-flow type nasal cavity cleaning instrument has the advantages that the flushing effect of the cleaning instrument is good, the area is large, the use is convenient, the cleaning instrument is mainly used for cleaning the nasal cavity and can be used as a daily sanitary product and medical equipment.
Owner:BEIJING M&B ELECTRONIC INSTR CO LTD

Nanofiltration-Forward Osmosis Combined System Using Commercial Nanofiltration Membrane and Forward Osmosis Membrane and Its Application

The invention relates to a nanofiltration-forward osmosis combination system adopting a commercial nanofiltration membrane and a forward osmosis membrane, and an application thereof. A nanofiltration system adopts crossflow filtration of water flowing through two sides of the nanofiltration membrane, the filtering pressure difference and the circulation flow rate are adjusted through the frequency converter of a gear pump, and a PLC is used to carry out total control. Valve adjustment is carried out to control the reflux quantity of concentrated water in order to obtain different recovery rates. Nanofiltration freshwater outlet water is determined by a mass flow meter controlled by the PLC, and the obtained determination result is stored in a PLC memory cell in order to record and obtain the flux of osmosis water. The temperature of nanofiltration inlet water is controlled by a water bath tank, and is same to the temperature of a forward osmosis system, and concentrated water of the nanofiltration system flows out to the raw material liquid tank of the forward osmosis system. A raw material liquid is placed on a balance connected to a computer, and the change of the weight of the raw material liquid in a preset time interval is transmitted to the computer. The temperatures of the raw material liquid and a driving liquid are controlled by the water bath tank, and are same to the temperature of the nanofiltration system. The flow rate designed by the system is 60 L / h, and the removal rate of dissolved organic matters is greater than 90%. The membranes can be regularly replaced, and the system can be regularly cleaned.
Owner:TONGJI UNIV

Clean welfare-oriented group rearing pigpen and space layout method

The invention belongs to the technical field of animal husbandry engineering, and relates to a clean welfare-oriented group rearing pigpen and a space layout method. An open fence is arranged on the outer side of an excretion area and an activity area corresponding to the excretion area, a leakage floor is installed at the bottoms of the excretion area and the activity area, a semi-closed fence isarranged on the outer side of a rest area and an activity area corresponding to the rest area, and a solid floor is arranged at the bottoms of the rest area and the activity area; a water fountain isfixedly arranged on the leakage floor of one activity area, and a feeding device is fixedly arranged on the solid floor of the other activity area; an avoiding wall is fixedly arranged at the joint of the excretion area and the rest area, a feces and urine ditch is arranged below the leakage floor, and the area of the leakage floor is half of the area of the solid floor; longitudinal pigpen unitsare arranged like mirror images, the excretion areas of transverse pigpen units are opposite, and a walkway is reserved between the excretion areas of the adjacent pigpen units. According to the group rearing pigpen, the cleanliness of the pigpen can be improved, abnormal behaviors can be reduced, the production efficiency is improved, and the cleaning property, welfare orientation and high efficiency of live pig breeding can be realized.
Owner:CHONGQING ACAD OF ANIMAL SCI

Source separation water-saving sanitary toilet

The invention provides a source separation water-saving sanitary toilet, and belongs to the technical field of sanitary facilities. The toilet comprises a squatting pan, a urine storage barrel, a double-pit alternating septic tank and a multifunctional flushing tank, the multifunctional flushing tank is arranged on the rear side of the squatting pan, and the urine storage barrel and the double-pitalternating septic tank are connected to the lower portion of the squatting pan; the squatting pan comprises a urinal and an excrement hopper which are separated front and back, a pressing type watersuction pump is arranged on the multifunctional flushing tank, the pressing face of the pressing type water suction pump is connected with an improved crank connecting rod, the lower portion of the improved crank connecting rod is connected with an excrement hopper outlet overturning partition plate, and a flushing spray head is arranged at the bottom of the left side of the multifunctional flushing tank and directly faces the overturning partition plate; And a movable sealing valve is arranged at the water inlet of the valve body and is connected to the pressing surface through a rod. The toilet is simple in structure, free of power consumption, water-saving, sanitary and low in installation and maintenance cost, and conforms to the use habits of users.
Owner:UNIV OF SCI & TECH BEIJING

Method for controlling turbidity of initial filter water in quick filter tank after backwashing and micro-expansion washing

The invention discloses a method for controlling turbidity of initial filter water in a quick filter tank after backwashing and micro-expansion washing, and belongs to the technical field of filtration in drinking water treatment. The method is characterized in that: after the backwashing of the filter tank, wash water is not immediately cut off completely, and micro-expansion washing for 1 to 7 minutes is carried out; the filter layer expansibility of the micro-expansion washing is 3 to 5 percent, the washing duration depends on the inflow turbidity and filtration rate when the filter tank is operated; when the inflow turbidity of the filter tank is 1 to 3 number of transfer units (NTU) and the filtration rate is 6 to 10m/h, the micro-expansion washing is kept for 1 to 3 minutes; and when the inflow turbidity of the filter tank is more than 3NTU and the filtration rate is more than 10m/h, the micro-expansion washing is kept for more than 3 minutes and less than 7 minutes. The principle is that: the pore structure of the washed filter material layer is improved through the micro-expansion washing, and residual particles are further removed, so that the turbidity of the initial filter water is reduced.
Owner:TSINGHUA UNIV

Water-saving toilet bowl

The invention discloses a water-saving toilet bowl which comprises a basin and a discharge pipeline, wherein the bottom of the basin is communicated with the discharge pipeline. The water-saving toilet bowl is characterized in that a water inlet hole is formed in the wall of the discharge pipeline between the upper end face of an inlet of the discharge pipeline and the lower portion 200mm away from the inlet of the discharge pipeline. Another water inlet hole is formed in the wall of the discharge pipeline between the upper end face of the inlet of the discharge pipeline and the lower portion 160mm away from the inlet of the discharge pipeline, a third water inlet hole is formed in the wall of the discharge pipeline between the upper end face of the inlet of the discharge pipeline and the lower portion 120mm away from the inlet of the discharge pipeline, a flushing tank is arranged in the rear of the top end of the basin, an annular water channel is formed inside a convex edge at the top end of the basin, a discharge hole facing the inner wall of the basin is formed at the bottom of the annular water channel, and a water outlet of the flushing tank is communicated with the annular water channel. Waste water can transversely impact the discharge pipeline of the toilet bowl to flush the toilet bowl at the lowest position, the waste water is conveniently collected and recycled, energy is not consumed, and the toilet bowl is flushed by the flushing tank of the toilet bowl when no waste water is available.
Owner:李武

Filter tank

The invention discloses a filter tank, which relates to the technical field of water treatment, in particular to a filter tank with an annular filter assembly. The filter tank aims at the problems that an existing filter tank is large in occupancy, large in backflushing water using amount and complex in operation and cannot meet requirements of middle and large water treatment equipment. The filter tank comprises a casing, the annular filter assembly, a backflushing assembly and a rotary mechanism, wherein a raw water inlet pipe and a clean water outlet pipe are arranged at the bottom of the casing, the annular filter assembly is arranged in the casing, the backflushing assembly is matched with the annular filter assembly, the rotary mechanism is connected with the backflushing assembly to be driven to rotate, the raw water inlet pipe is communicated with an inner cavity of the casing, an inner cavity of the annular filter assembly is communicated with the clean water outlet pipe to be used for filter raw water in the casing into clean water to be outputted from the clean water outlet pipe, and the backflushing assembly is used for washing the annular filter assembly and exhausting slurry out of the filter tank. The filter tank is especially applied to efficient filter equipment in small and medium water treatment projects.
Owner:SHANGHAI TECHASE ENVIRONMENT PROTECTION

Variable, double, straight-line piping type of water-saving toilet

The variable, double, straight-line piping type of water-saving toilet of the present invention comprises: a main toilet body (10) having a bowl (11), a cistern (12), a water-supply pathway (13) connected to the rear of the bowl (11) from the cistern (12), and a cover part (14) which covers the lower part of the cistern (12) and the rear of the bowl (11) and is adapted to guide foul water discharged from the bowl (11) to a floor pipe (15); a variable, double, straight-line pipe (20) incorporating an inner pipe (21) of which one end is connected via a flexible tube (25) to the discharge port (13a) of the bowl (11), an outer pipe (22) which receives part of the inner pipe (21) on the inside thereof and which is equipped with spring-securing parts (22a) on the outside surface on two sides, and a connecting part (23) which forms a receiving space (23a) where cleaning water is received between the inner pipe (21) and the outer pipe (22), the pipe (20) being adapted so as to discharge the foul water and the cleaning water in the bowl (11) by rotating downward under its own weight due to the inflow of cleaning water into the receiving space (23a) because of the increase in cleaning water flowing into the bowl (11) during foul-water discharge; two brackets (30) which are secured either vertically or horizontally on both sides of the rear wall (11b) of the bowl (11), and are equipped with spring-fastening parts (31); and tension springs (40) which exhibit a resilient restoring force such that the variable, double, straight-line pipe (20) rotates upwards after foul-water discharge.
Owner:李钟寅 +1

Method for controlling turbidity of initial filter water in quick filter tank after backwashing and micro-expansion washing

The invention discloses a method for controlling turbidity of initial filter water in a quick filter tank after backwashing and micro-expansion washing, and belongs to the technical field of filtration in drinking water treatment. The method is characterized in that: after the backwashing of the filter tank, wash water is not immediately cut off completely, and micro-expansion washing for 1 to 7 minutes is carried out; the filter layer expansibility of the micro-expansion washing is 3 to 5 percent, the washing duration depends on the inflow turbidity and filtration rate when the filter tank is operated; when the inflow turbidity of the filter tank is 1 to 3 number of transfer units (NTU) and the filtration rate is 6 to 10m / h, the micro-expansion washing is kept for 1 to 3 minutes; and when the inflow turbidity of the filter tank is more than 3NTU and the filtration rate is more than 10m / h, the micro-expansion washing is kept for more than 3 minutes and less than 7 minutes. The principle is that: the pore structure of the washed filter material layer is improved through the micro-expansion washing, and residual particles are further removed, so that the turbidity of the initial filter water is reduced.
Owner:TSINGHUA UNIV

Energy-saving and efficient wheel washing machine capable of recycling sewage and using method thereof

The invention discloses an energy-saving efficient wheel washing machine capable of recycling sewage, which comprises a wheel washing water tank body, a supporting mechanism is arranged at the top of the wheel washing water tank body, a circulating water tank is arranged on one side of the wheel washing water tank body, a cleaning frame is arranged on the wheel washing water tank body, and the cleaning frame comprises a first cleaning frame, a second cleaning frame and a third cleaning frame. The first cleaning frame is arranged in the portion, below the supporting mechanism, of the wheel washing water tank body, the second cleaning frame is arranged in the portion, below the first cleaning frame, of the wheel washing water tank body, the first cleaning frame and the second cleaning frame are of a cross-shaped structure, and the third cleaning frame is arranged on the two opposite sides of the top of the wheel washing water tank body. By arranging a series of structures, segmented flushing operation of the wheel washing machine equipment on vehicle wheels and a chassis is achieved, segmented flushing can save the flushing water consumption of the equipment, the second cleaning frame meets the pertinence of wheels of different vehicle types, segmented flushing is higher in applicability, the flushing quality of the wheel washing machine is improved, cleaning is efficient, the energy-saving performance is better, and time and labor are saved.
Owner:安徽晶辉矿山科技有限公司

Device for cleaning replaced insulators

The invention provides a device for cleaning replaced insulators and belongs to the technical field of insulator cleaning in electric power facilities. A tank unit is arranged below a portal frame and comprises a cleaning tank and a flushing tank arranged in the front-back direction. A sliding block transmission mechanism is arranged at the upper end of the portal frame. A lifting driving motor provided with a lead screw is installed at the upper end of a sliding block. A U-shaped seat and the lead screw are matched to form a lead screw-sliding block transmission mechanism. Supporting arms are arranged at the two vertical arm ends of the U-shaped seat. A clamping set unit comprises a base plate, a static clamping plate fixed to the base plate, and a movable clamping plate correspondingly matched with the static clamping plate. The movable clamping plate is buckled on the static clamping plate through a movable structure. A fixing part is arranged between the movable clamping plate and the base plate, and the movable clamping plate and the base plate are fixedly connected through the fixing part. By the adoption of the device for cleaning the replaced insulators, batched concentrated cleaning can be conducted on the detached insulators, in the cleaning process, workers are mainly responsible for mounting and dismounting the insulators, the workers do not need to stay on the site all the time in the cleaning process, the working intensity of the workers can be relieved, and the cleaning operation efficiency is improved.
Owner:国网江西省电力有限公司九江供电分公司 +2

Toilet stool and control method thereof

The invention belongs to the field of bathroom accessories, and particularly discloses a toilet stool and a control method thereof. The toilet stool comprises a shell, a control module, a conveying assembly arranged in the shell and a water spraying assembly; the shell comprises a sewage inlet and a sewage outlet communicated with a drainage pipeline; the conveying assembly comprises a bearing part and a transmission part, the bearing part is used for receiving dirt falling from the dirt inlet, and the control module is used for controlling the transmission part to rotate to drive the bearingpart, so that the bearing part moves around the transmission part, and the dirt falls from the bearing part to enter the dirt outlet; and a water spraying port of the water spraying assembly faces thebearing surface of the bearing part. Most excrement such as faeces falls into a sewer line under the action of gravity through movement of the bearing part, only a small amount of water is needed forflushing, a small amount of residual excrement remains, the water consumption for flushing the toilet is reduced, meanwhile, the problem that the toilet cannot be flushed cleanly or even cannot be flushed is solved, and spreading of infectious viruses, bacteria and the like is prevented to a certain extent.
Owner:HUAZHONG UNIV OF SCI & TECH
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