137 results about "Water banking" patented technology

The invention discloses a water sink type dish washing machine. The water sink type dish washing machine comprises a breather and a water softener, wherein a water inlet cavity is defined in the breather and comprises a water inlet channel and a water return channel, the water return channel comprises a main loop and a water storage cavity which are communicated, a water inlet is formed in one endof the water inlet channel, the other end of the water inlet channel is communicated with the water return channel, the main loop is provided with a main water channel port, and the water storage cavity is provided with a reclaimed water channel port; the water softener comprises a body and a regeneration control part, a water softening cavity and a softening reclamation cavity which are communicated with each other are defined in the body, the reclamation control part is used for controlling communication and cutoff of the water softening cavity and the softening reclamation cavity, a soft water inlet and a soft water outlet which are communicated with the two sides of the water softening cavity respectively are formed in the body, a reclaimed water inlet communicated with the softeningreclamation cavity is formed in the body, the soft water inlet is connected with the main water channel port, and the reclaimed water inlet is connected with the reclaimed water channel port. According to the water sink type dish washing machine, water inflow of the water softening water channel of the water softener is completed by the breather, and the pipeline connection cost is low.

The invention discloses a pavement drainage system capable of realizing automatic opening and closing, which comprises a pavement. A water outlet pipeline is arranged in the pavement; spraying equipment is arranged on the upper side of the water outlet pipeline; a water inlet space is formed in the right side of the pavement; a communicating space is formed in the lower side of the water inlet space; a sundry blocking space is formed in the lower side of the communicating space; a water storage space is formed in the lower side of the sundry blocking space. The manhole cover can be in a normally closed state under the condition of no rainfall or no accumulated water on the pavement; pedestrian articles can be effectively prevented from falling into the manhole cover, rainwater enters the water pipe after precipitation, rainwater can be collected, the collected rainwater can be sprayed to the pavement in dry weather, fallen leaves and other sundries can be cleaned to the conveying beltand conveyed out of a pipe network, water pipe blockage is effectively prevented, the anti-skid pavement can be automatically lifted in heavy rain, the friction coefficient of the sidewalk is increased, and pedestrians are prevented from slipping down in walking.

The invention discloses a data processing method, a terminal, a data processing device, a dehumidifier and a readable storage medium. The data processing method comprises the steps that performance parameters of the dehumidifier are obtained and include the running wind speed of the dehumidifier and the running rated dehumidification amount of the dehumidifier; the running actual dehumidificationamount of the dehumidifier is obtained according to the performance parameters; and according to the actual dehumidification amount and the volume of a water storage device in the dehumidifier, the current water level of the water storage device is determined, and water level prompt is conducted. After the current water level of the water storage device is determined, water level prompt is conducted, a user can obtain the current water level of the dehumidifier water storage device in real time according to the water level prompt, and more convenience is achieved; and through the performance parameters of the dehumidifier, the running actual dehumidification amount of the dehumidifier is obtained, the current water level of the water storage device is determined, a water level sensor is omitted, cost is reduced, and the data processing method, the terminal, the data processing device, the dehumidifier and the readable storage medium can be widely applied to the technical field of dehumidifiers.

The invention provides a water-saving siphoning type toilet. The toilet comprises a water tank, a water guide channel, a seat ring face, a water guide ring, a washing hole, a pan cavity, an auxiliary washing channel, a jetting hole, a discharging inlet and a discharging tube. The water guide channel is divided into 2 channels in the front of a water guide ring channel, one channel is communicated with the water guide ring and the other channel is communicated with the auxiliary washing channel. The toilet is characterized in that a slope-shaped structure is arranged among the water guide channel, the water guide ring and the auxiliary washing channel, the slope-shaped structure and the wall of the water guide channel form a water storing slot of which the periphery is sealed, the outside of the inner edge of the seat ring face is thick, the inside of the inner edge of the seat ring face is thin, the area of the cross section of the tapered cavity of the water guide ring is tapered from inlets of two ends of the water guide ring to the middle of the water guide ring, and the distance between the bottom of the discharging inlet and the upper surface of the seat ring face is no more than 250mm. The toilet is high in efficiency, water-saving, silent and good in washing effect through the optimization of the whole toilet structure.

A multi-function waste pile classified treatment recycling device for a garment processing plant comprises a treatment recycling device body. The treatment recycling device body is internally providedwith a spray cleaning chamber, a water squeezing chamber, a drying chamber and a recycling chamber. A driving roller is longitudinally arranged in the spray cleaning chamber, a driven roller is longitudinally arranged in the recycling chamber, and a conveying belt is in transmission connection with the driving roller and the driven roller. A water storage chamber is arranged in the treatment recycling device body. A conveying pipe is arranged on the treatment recycling device body and communicates with the spray cleaning chamber, and sprayers are arranged at the bottom of a water collecting part. A water pumping pipe and a water conveying pipe are arranged on a water pump, the water pumping pipe is vertically inserted into a filtering device, and the water conveying pipe communicates withthe water collecting part. The water squeezing device comprises a water squeezing roller, movable rods, connecting cylinders, elastic parts and limiting blocks, and electric heating pipes are arranged in the drying chamber. The device integrates spray cleaning, water squeezing, drying, recycling and compression functions, has various functions, is simple to operate, saves time and labor in the operation process, can realize effective recycling of waste pile, and is excellent in use effect.

The invention discloses a dredging device for water conservancy construction. The dredging device comprises a support column. A driving motor is fixedly arranged on the upper wall of the support column. The upper wall of the support column is fixedly connected with a water storage tank. A water inlet pipe is arranged on the upper wall of the water storage tank in a communicated manner. A water absorbing mechanism is arranged in the water storage tank. The water absorbing mechanism comprises a water absorbing disc fixedly connected to the inner wall of the water storage tank. An annular cavityis formed in the water absorbing disc. A circular groove is formed in the side wall, far away from one end of the driving motor, of the water absorbing disc. Two stop blocks are symmetrically arrangedin and fixedly connected with the interior of the annular cavity. The interiors of the two stop blocks are communicated with the circular groove through one-way channels. The side walls of the two stop blocks are elastically connected with magnetic sliding plugs through reset springs. Water inlets are correspondingly formed in the inner walls, close to the two sides of the two baffles, of the annular cavity. One-way valves are correspondingly arranged in the four water inlets. By the adoption of the dredging device for water conservancy construction, the transportation difficulty of the device is reduced, the economic cost and the electric energy are saved, the more abundant cleaning means is provided, and the cleaning effect is better.

The invention discloses an intelligent security and protection data management system based on the Internet of Things. The invention relates to the technical field of data management equipment. The problem that an existing intelligent security and protection data management system is poor in working performance is solved. The system comprises a housing, wherein a first cooling cavity, an equipmentcavity, a second cooling cavity, a water storage cavity and a mounting cavity are formed in the housing; a vertically-arranged water pump is fixed to the inner wall of the mounting cavity through screws; the input end of the water pump is connected with a water pumping pipe, the end, away from the water pump, of the water pumping pipe extends into the water storage cavity, the output end of the water pump is connected with a drainage pipe, and the end, away from the water pump, of the drainage pipe enters the water storage cavity through the first cooling cavity and the second cooling cavity.The system is reasonable in structure. The data processing host can be efficiently cooled, can be simply and conveniently disassembled, can be damped and buffered, and is high in heat dissipation performance and high in running speed.

The invention relates to the technical field of heat dissipation cabinets, and discloses a high-speed server heat dissipation cabinet. The cabinet comprises a cabinet body. Side surface water tanks are mounted on the left side wall and the right side wall of the cabinet body; a bottom water tank is mounted at the bottom of each side surface water tank, and the bottom water tank is communicated with the bottom of the side water tank; the top and the bottom of the cabinet body are respectively provided with a dustproof ventilation net; a mounting plate is mounted at the lower part in the cabinetbody; and an air blowing mechanism located under the mounting plate is mounted in the cabinet body; a transverse water tank located under the air blowing mechanism is mounted in the cabinet body; a plurality of water storage cavities communicating with one another are formed in the bottom of the transverse water tank; and a plurality of ventilation channels distributed with the water storage cavities in a staggered mode are formed in the transverse water tank. According to the high-speed server heat dissipation cabinet and the heat dissipation method thereof, when airflow passes through a high-speed server, heat generated when the high-speed server works can be taken away, and the heat dissipation efficiency of the high-speed server can be improved.

Vertical sectional sewage treatment equipment comprises a treatment tower, a filtering grid and a first flow guide plate, the interior of the treatment tower is divided into a water inlet bin and a water storage bin through a partition; an impurity collecting space is defined by a first mounting plate and a second mounting plate in the water inlet bin; a crushing assembly is arranged in the impurity collecting space and communicates with the outside through a first impurity discharging pipe; the liquid inlet of the water inlet bin is provided with a water inlet pipe; the filtering grid and thefirst flow guide plate are both mounted in the water inlet bin and incline upwards towards the liquid inlet; the first flow guide plate inclines towards one side far away from the filter grid; a water flowing space is defined by the first guide plate, the first mounting plate, the second mounting plate, the partition plate and the inner wall of the water inlet bin; a plurality of filtering assemblies are arranged in parallel in the water flowing space in the water flowing direction; the multiple groups of filtering assemblies are used for dividing the flowing water space into multiple groupsof filtering bins; each group of filtering bins is communicated with the outside through a second impurity discharging pipe; and the water storage bin is provided with a blow-off hole and a drain holeon the treatment tower. The sewage treatment equipment can efficiently filter and remove impurities in sewage, and is small in occupied area.

The invention discloses a gas-liquid separator and a fuel cell system, and belongs to the technical field of fuel cells. According to the gas-liquid separator and the fuel cell system, the gas-liquid separator comprises a shell, the shell comprises a separation cavity, a mixed gas inlet, an exhaust port and a water outlet, the mixed gas inlet, the exhaust port and the water outlet are communicated with the separation cavity, the shell further comprises a water storage cavity and an auxiliary flow channel, the water storage cavity comprises a water storage section, a first flow guide section and a second flow guide section, and the water storage section is located below the water outlet; two ends of the diversion section I are respectively connected with the separation cavity and the water storage section, and two ends of the diversion section II are respectively connected with the water storage section and the water outlet; the auxiliary flow channel is located above the water storage section, one end of the auxiliary flow channel is connected with the first flow guide section and the separation cavity, and the other end of the auxiliary flow channel is connected with the second flow guide section and the water outlet. Even if water accumulated in the water storage section is frozen in the low-temperature environment, the water outlet cannot be blocked, newly separated water can flow to the water outlet from the auxiliary flow channel, and the problem that the gas-liquid separator is prone to being blocked in the low-temperature environment and cannot work is solved.

The invention discloses a water-saving industrial washing machine. The water-saving industrial washing machine comprises a washing machine body, wherein a water storage cavity is formed in the washingmachine body, a water leakage hole is formed in the inner wall of the top side of the water storage cavity, the water leakage hole is communicated with the inner portion of the washing machine body,a motor cavity is formed in the washing machine body, the motor cavity is located at one side of the water leakage hole, a motor is fixedly arranged in the motor cavity, a cavity is formed in the washing machine body, the cavity is located above the motor cavity, a through hole is formed in the inner wall of the bottom side of the cavity, the through hole is communicated with the motor cavity, a rotating shaft is rotationally arranged in the through hole, the top end of the rotating shaft extends into the cavity and is fixedly provided with a cam, the bottom end of the rotating shaft extends into the motor cavity and is fixedly connected with an output shaft of the motor, and the inner wall of one side, close to the water leakage hole, of the cavity is provided with a through hole. The water-saving industrial washing machine has the advantages that a filtering plate can perform transversely reciprocating motion during sewage filtering, the filtering effect is good, the filtering plateis disassembled conveniently when needing to be washed and replaced, the structure is simple, and the operation is convenient.

The invention discloses an auxiliary cooling system and method for an air conditioner outdoor unit. The auxiliary cooling system comprises an L-shaped air channel, an air feeder, a water storage box,a water pump, a cooling pipe, a water delivery pipe, a water return pipe, an air pipe and a controller. One end of the air channel is open so that an air outlet can be formed, and an air inlet is formed in the side wall, close to the other end, of the air channel. One end of the air pipe is connected with the air inlet in a sealed manner. The cooling pipe is mounted inside the air channel. A waterdelivery opening and a water return opening of the cooling pipe penetrate to reach the outside of the air channel in a sealed manner. The water delivery opening communicates with one end of the waterdelivery pipe, and the water return opening communicates with the water return pipe. The other end of the water delivery pipe communicates with a water outlet of the water pump. A water inlet of thewater pump communicates with the water storage box. The water storage box is provided with a union joint used for being connected with a water outlet pipe of an air conditioner indoor unit. The waterstorage box is further provided with a drainage pipe. An electronic control valve is mounted at the connection position of the drainage pipe and the water storage box. By means of the auxiliary cooling system and method for the air conditioner outdoor unit, the air conditioner outdoor unit which is not good in mounting position can be helped in cooling to a certain extent, and the possibility of thermal protection is lowered.

The invention discloses a kitchen garbage storage box with the dehumidification function. The kitchen garbage storage box comprises a box body, an extrusion cavity is formed in the box body, the upperside of the extrusion cavity is provided with a pouring opening with an upward opening in a communicating manner, a cover plate is connected to the position, located at the upper side of the pouringopening, of the upper end face of the box body in a hinged manner, and a pressurizing plate is arranged in the extrusion cavity in a left-right sliding manner. A filter screen cover is fixedly arranged at the position, between the upper wall and the lower wall of the extrusion cavity, of the left side of the pressurizing plate, a filter screen capable of filtering water is fixedly arranged in thefilter screen cover, a water storage tank is fixedly arranged at the position, located at the left side of the filter screen cover, in the lower wall of the extrusion cavity, and a water storage cavity with an upward opening is formed in the water storage tank. Most of water in kitchen garbage is removed in a manner that the kitchen garbage put into the extrusion cavity is smashed and extruded, then the kitchen garbage falls into a rotating cavity to be air-dried to remove residual water, the kitchen garbage is driven by spiral blades to rotate and slowly descend at the same time, and dehumidification is more sufficient.

The invention discloses a full-automatic reinjection water (additive) system and a use method thereof. A high-pressure pump reinjection coalbed water mode is utilized to reinject water generated by a coalbed gas well into the gas well after the water is precipitated or to appropriately supplement clean water and inject into the coalbed gas well. A utilized technical scheme is characterized in that, one end of a water return pipe is connected with a water drainage pipe of the coalbed gas well, the other end of the water return pipe is communicated with a water inlet end of a water storage tank, one end of a water injection pipe is communicated with a water outlet end of the water storage tank, the other end of the water injection pipe is connected with a water injection opening of the coalbed gas well to inject water for the coalbed gas well, and a control box is arranged on the water injection pipe and used for controlling the whole water circulation process; a metering pump in the control box is a high-pressure pump, the metering pump is arranged on the water injection pipe, a water level control module and a remote control module are both electrically connected with the metering pump and used for controlling work of the metering pump, and the water level control module is inserted into the water storage tank through three electrodes to guarantee that a water level of the metering pump in the water storage tank works between the upper limit electrode and the lower limit electrode.

The invention discloses a pneumatic puncture intelligent heating drinking water connector. The drinking water connector penetrates through a water storage device sealing cover to be communicated with a water storage device, and the drinking water connector comprises an inner sleeve, wherein the outer side of the inner sleeve is sleeved with an outer sleeve; the inner sleeve and the outer sleeve are in limited sliding connection; a plurality of pneumatic grooves are formed in the outer wall of the inner sleeve in the circumferential direction at equal intervals; a driving part is fixedly connected to the outer wall of the outer sleeve, and is communicated with the pneumatic grooves; a sealing layer is arranged between the inner sleeve and the outer sleeve, and is fixedly connected with the outer sleeve; the end part of the water inlet of the inner sleeve is fixedly sleeved with a puncture piece; a water outlet of the inner sleeve is provided with a heating part; the heating part is fixedly connected with the inner wall of the inner sleeve; and a first sealing film is fixedly laid on the outer wall of the inner sleeve and located between the water inlet of the inner sleeve and the outer sleeve. According to the pneumatic puncture intelligent heating drinking water connector, power is provided for the drinking water connector through compressed air, so that the drinking water connector can directly penetrate through the water storage device sealing cover and can be more rapidly and conveniently communicated with the water storage device, and flowing drinking water can be rapidly heated.

The embodiment of the invention provides a self-water-drawing cyclic utilization system, cleaning equipment and self-moving equipment. The self-water-drawing cyclic utilization system comprises a water storage barrel, a self-water-drawing device and a filtering device, wherein the self-water-drawing device has the capacity of automatically drawing water and purifying water; the filtering device is arranged in the water storage barrel and used for filtering the liquid in the water storage barrel at least once to obtain filtrate; and at least part of the self-water-drawing device is arranged in the water storage barrel, actively draws and purifies water in filtrate and discharges the water from the water outlet end so as to be used by the cleaning equipment. According to the embodiment of the invention, the sewage can be filtered and recycled by utilizing the self-water-drawing device, so that the frequency of changing water or adding water by a user due to small water storage capacity is reduced; the filtering device is used for filtering liquid in the water storage barrel at least once to obtain filtrate, the filtrate is drawn by the self-water-drawing device, the probability that large-particle impurities adhere to or block the self-water-drawing device can be reduced, the service life of the self-water-drawing device can be effectively prolonged, and the service life of the self-water-drawing device can be effectively prolonged.

The invention discloses a pet water feeding device. The pet water feeding device comprises a supporting base, a water storage container, a covering part, a water injection channel, a water return channel, a water feeding disc, a water pumping device and an electric control unit, wherein the supporting base is provided with a first containing cavity and a containing space which is located on one side of the first containing cavity and provided with one or more openings; the water storage container can be taken out of or placed in the containing space from the one or more openings; the covering part is constructed above the supporting base, can seal the first containing cavity and covers the containing space; the water injection channel is constructed on the covering part and / or the supporting base and communicates with the first containing cavity; the water return channel is constructed on the covering part and / or the water storage container and communicates with the inner cavity of the water storage container; the water feeding disc is open, is constructed on the covering part and is connected with the water return channel; the water pumping device is mounted between the supporting base and the covering part and used for pumping water located in the first containing cavity to the water feeding disc; and the electric control unit can control the water pumping device to start and stop. The pet water feeding device has the advantages that pet water feeding is convenient, cleanliness of pet drinking water resources can be improved, and placement is stable.

The invention discloses a ground cleaning device which comprises a ground cleaning robot and a work station, the work station comprises a water supply tank, the ground cleaning robot comprises a machine shell, a water storage tank and a water adding assembly, the water storage tank and the water adding assembly are arranged in the machine shell, and the water adding assembly is arranged on one side of the water storage tank; the water adding assembly comprises a water suction pump, a water outlet pipe located on the upper portion of the water suction pump and a water inlet pipe located on thelower portion of the water suction pump, and the water outlet pipe is connected with a water outlet of the water suction pump and the upper portion of the water storage tank, and the water inlet pipeis connected with the water inlet of the water suction pump, the water suction pump pumps liquid in the water supply tank through the water inlet pipe and conveys the liquid into the water storage tank through the water outlet pipe. The water adding assembly with the water suction pump is arranged on one side of the water storage tank, clear water in the water supply tank at the lower position canbe pumped to the upper portion of the water storage tank to be added into the water storage tank through pressurization of the water suction pump, a water supply structure of the workstation does notneed to be arranged to be higher than the water storage tank, and the height and size of the workstation are greatly reduced, and the footprint of a workstation is reduced.

The invention discloses a cooling and dedusting device for a computer mainframe, comprising a computer case, a water tank is fixed on the right side of the computer case 11, and a water storage chamber is arranged in the water tank, and the water storage chamber and the computer case pass through The water outlet pipe and the water inlet pipe are connected, and a water pump is fixed on the water outlet pipe. The water circulation is realized through the water pump, and the computer case is water-cooled and radiated. For heat dissipation, the computer components are cooled by water cooling, and the computer components are dedusted and cooled by the gas circulating inside the device. For the gas after dust removal and cooling, the water cooling system cools the gas, which has a good heat dissipation effect. It also reduces the dust on the computer components.

The invention relates to the technical field of toilet flushing equipment, and discloses a water-saving flushing tank which comprises a water tank, a water inlet valve, a floating ball and a drain valve, a partition plate is arranged between the periphery of the drain valve and the wall of the water tank to divide an inner cavity of the water tank into a first water tank and a second water tank, and the water inlet valve and the floating ball are located in the first water tank; a one-way valve for supplementing water into the second water tank from the first water tank is arranged on the partition plate close to the bottom of the water tank; the drain valve comprises a large drainage button, a small drainage button, a large-flow drainage plug controlled by the large drainage button to drain and a small-flow drainage plug controlled by the small drainage button to drain, a through hole is formed in the large-flow drainage plug and used for the small-flow drainage plug to place so as toblock water flow or separate from the large-flow drainage plug so as to drain water flow, and the small-flow drainage plug is located on the side of the first water tank. A traditional water tank isdivided into two water storage spaces, the design of double switches and double drainage holes is adopted, only water in the first water tank can be drained during small-flow drainage, water in the two water tanks can be drained only during large-flow drainage, on-demand drainage is truly achieved, and water resources are effectively saved.

The invention relates to a road water draining and filtering structure and belongs to the field of municipal roads. The road water draining and filtering structure comprises a road, a sidewalk arranged on one side of the road, a water collecting pipeline arranged below the sidewalk, a lawn arranged on the side, away from the road, of the sidewalk, a water storage bin arranged below the lawn, a water inlet pipeline arranged between the water collecting pipeline and the water storage bin, a blocking plate connected to the water inlet pipeline in a sliding mode, a water conveying pipe arranged between the water storage bin and the lawn, a water suction pump arranged on the water conveying pipe, a filtering mechanism arranged at the end, close to the water storage bin, of the water conveying pipe and used for filtering water in the water storage bin, and a lifting mechanism arranged on one side of the plugging plate and used for driving the plugging plate to slide; wherein the water collecting pipeline, the water inlet pipeline and the water storage bin are communicated with one another; and the sidewalk is made of a permeable material. The water resource recycled on the road can be conveniently utilized subsequently.

The invention provides a liquid medium flow control structure, a pet water dispenser, a craft and a water supply method. The liquid medium flow control structure comprises a water storage tank assembly, a valve body assembly, a receiving container and a base assembly, wherein the receiving container is connected to the base assembly; the water storage tank assembly comprises a water storage tank,the water storage tank 11 comprises a first water storage bin and a second water storage bin which are independent from each other, the water storage tank assembly is rotatably connected to the base assembly, and in the rotating direction, the positions of the first water storage bin and the second water storage bin are alternately switched up and down; and in the first water storage bin and the second water storage bin, a flowing medium flows out from the water storage bin which is positioned on the upper portion and flows to the water storage bin which is positioned on the lower portion through the receiving container so as to be transferred from the water storage bin which is positioned on the upper portion to the water storage bin which is positioned on the lower portion. According tothe liquid medium flow control structure, the water storage tank assembly, the valve body assembly and the base assembly are adopted, so that the pump-free pet water dispenser utilizing the gravity ofwater flow is formed, pets are attracted to drink water, and the problems that a water pump is prone to blockage and large in noise are solved.

The invention relates to a ship lock water saving system and a using method thereof. The ship lock water saving system comprises a lock chamber system, water conveying systems and water storage systems. The water storage systems are arranged on the two sides or one side of the lock chamber system. The water conveying systems are arranged on the two sides or one side of the lower portion of the lock chamber system. The lock chamber system comprises a lock chamber, a lock chamber upstream working door, a lock chamber downstream working door and a lock chamber bottom water inlet and outlet pipe. The lock chamber upstream working door is arranged at the front end of the lock chamber; the lock chamber downstream working door is arranged at the rear end of the lock chamber; the lock chamber bottom water inlet and outlet pipe is arranged at the bottom of the lock chamber. Through the combined action of a water storage tank and a water delivery gallery, 50% or more of water in the lock chamber can be repeatedly utilized, the purpose of saving water resources is achieved on the basis that normal operation of the ship lock is guaranteed, and the operation cost of the ship lock is reduced. The operation mode of the water saving ship lock is explained, and a simple and convenient operation mode is provided.

The invention belongs to the technical field of a tea set product, and particularly relates to an automatic water return type tea table. The tea table comprises a tea table base body, a water injection faucet and a controller, wherein a pipeline system is arranged in the tea table base body; a water outlet communicating with the pipeline system is formed in the water injection faucet; the pipelinesystem comprises a water suction pipeline used for conveying a water body in an external water storage device to the water outlet, and a water return pipeline used for discharging the water body remained in the water suction pipeline; the water return pipeline communicates with the water suction pipeline; an electromagnetic valve used for controlling the break-make state of the water return pipeline is arranged on the water return pipeline; and the controller is electrically connected with the electromagnetic valve and is used for controlling the opening and closing of the electromagnetic valve. Through the arrangement of the water return pipeline communicating with the water suction pipeline inside the tea table base body, after the water injection of the tea table is completed, the water body remained in the water suction pipeline can be discharged out through the water return pipeline, so that the water quality deterioration caused by remaining of the water body in the pipeline system can be avoided, and the water quality of outlet water of the tea table can be guaranteed.

The invention discloses a water collection type self-cleaning power distribution cabinet, which relates to the field of power distribution cabinets, and comprises a power distribution cabinet body anda top plate, the top plate is fixed above the power distribution cabinet body through a fixing piece, and a plurality of water guide pipes are arranged in the top plate and are embedded into the concrete at the bottom surface of the lower portion of the power distribution cabinet body, a water storage tank with an upward opening is arranged in the power distribution cabinet body, the bottom end of the power distribution cabinet body is extended into a stand column at the internal portion of the water storage tank, a water outlet pipeline and a water inlet pipeline are arranged in the stand column, the water inlet of the water inlet pipeline is located close to the bottom of the water storage tank, and the water outlet of the water outlet pipeline communicates with the water guide pipe; the water inlet of the water pump is communicated with a water outlet of the water inlet pipeline, and a water outlet of the water pump is communicated with the water inlet of the water outlet pipeline;and a plurality of nozzles are fixed on the top plate, face the side surface of the power distribution cabinet body and are communicated with the water guide pipe, and through the device, water resources for cleaning can be stored below the power distribution cabinet, so that during cleaning, the water taking time can be saved, the cleaning efficiency is improved, and meanwhile, the water resources are also saved.

In the device, according to the invention, the retention tank (7) constitutes a distributing chamber which is connected to the external retention tank (10) being a segment of a gravity-flow channel (11) with its cross-section greater than the cross-section of gravity waste water transfer required in the calculations, located on the line of waste water inflow to the retention tank (7), whereas the capacity of the retention tank (7) is at least two times smaller than the capacity of the external retention tank (10) constituting a segment of the gravity-flow channel (11) with its cross-section greater than the required cross-section of the gravity-flow channel (11) for gravity waste water transfer required in the calculations.

The invention relates to the field of highway construction maintenance related equipment, and particularly discloses a pavement maintenance device for expressway construction. The device comprises a transport vehicle and a water storage tank. The transport vehicle comprises a driving vehicle head and a transport vehicle body. The water storage tank is fixedly arranged on an upper surface of the transport vehicle body; a water injection pipe is arranged at a left end of the upper surface of the water storage tank; a high-pressure water pump is arranged at a right end of the upper surface of thewater storage tank; and a water inlet end of the high-pressure water pump is connected with a water pumping pipe inserted into the water storage tank, a water outlet end of the high-pressure water pump is connected with a water outlet pipe, an end of the water outlet pipe is connected with a tee joint, a front end and a rear end of the tee joint are connected with corrugated telescopic pipes, andthe ends of the corrugated telescopic pipes are connected with branch pipes. According to the maintenance device, in a whole expressway maintenance process, only an opening angle of rotating battensneeds to be adjusted, water is sprayed once, the transport vehicle does not need to spray water back and forth, a workload of expressway maintenance personnel is effectively reduced, and maintenance efficiency is improved.

The invention belongs to the field of water supply device control, and relates to an intelligent variable-frequency constant-pressure automatic water supply device. The intelligent variable-frequency constant-pressure automatic water supply device comprises a water storage tank, a water pressure testing device, a water pump set and a damping device, and further comprises a variable-frequency control device, wherein a machine shell comprises an anti-resonance device; the water pump set comprises a plurality of water pumps arranged in parallel; the damping device comprises a connecting rod and an electromagnetic component; the connecting rod and the electromagnetic component are connected in a sliding mode to form a sliding pair; the electromagnetic component comprises a supporting base and a cover body; a lower permanent magnet is fixedly installed in the supporting base; an upper permanent magnet is connected into the cover body through a bolt; one end of the connecting rod is fixedly connected with the machine shell, the other end of the connecting rod extends to the position between the upper permanent magnet and the lower permanent magnet, and a copper cup is installed at the end; a circular ring is formed by one part of the bottom face of the copper cup, and a first coil winding is arranged around the ring wall of the circular ring; and an electromagnet comprising an iron core and a second coil winding is further arranged in the electromagnetic component. By means of the scheme, the anti-resonance device achieves the purposes of damping, freezing prevention, sound insulation and intelligent control of the device.