129results about How to "Realize automatic water replenishment" patented technology

The invention discloses a medicine decocting device with an independent medicine loading barrel. The medicine decocting device comprises a base and a decocting box, rollers which are convenient to carry are symmetrically arranged on the left side and the right side of the base, the decocting box is arranged above the base, and supporting rods are symmetrically arranged on the two sides of the lower end of the decocting box; the lower ends of the supporting rods are sleeved with supporting sleeves in a sliding mode, and the lower ends of the supporting sleeves are fixedly connected with the base; damping springs are arranged in the supporting sleeves, and the supporting rods and the supporting sleeves are fixedly connected through the damping springs. The decocting device is simple and reasonable in structure, convenient to carry and good in buffering performance, and automatic water supplementing is achieved, so that the labor intensity of workers is reduced; meanwhile, during slag removal treatment in the later period, a lifting installation plate is jacked up through a lifting hydraulic cylinder, then the loading barrel is lifted out, and then a movable bottom plate is opened, sothat medicine residues are conveniently taken out; when the medicine residues are removed, the medicine residues are compacted under the drive of a telescopic air cylinder, so that liquid medicine inthe medicine residues is extruded out, then waste of the liquid medicine is reduced, and the practicality is high.

The invention discloses a turntable-type quantitative feeder for domestic pets, which comprises a base, a supporting side plate, a storage cylinder and an ingredient tray. The lower end is provided with a lower hopper, the lower end of the lower hopper is provided with a feeding pipe, the outer side of the lower port of the feeding pipe is provided with a plastering plate, and the bottom of the plastering plate is horizontally provided with a batching plate. There is a blanking hole, and a rotating shaft is provided in the middle of the upper end of the batching plate. The upper end of the rotating shaft is connected to the output end of the rotating motor. The rotating motor is fixedly connected to the outside of the lower hopper through a fixed rod. The radius of the batching tray is equal, and the left end of the tray is fixedly connected with the support side plate. The structure of the invention is simple and reasonable, thereby facilitating pets to eat, so that the pet can live a regular life when the owner is away, and has strong practicability.

The invention belongs to the technical field of plant cultivation, and specifically relates to a gravity-induction type automatic watering flowerpot. The flowerpot includes a pot body, a base, a compression spring, a water storage box and a water pump. The flowerpot is characterized in that the pot body is arranged on the upper portion of the base, the base is internally provided with a counterweight, the middle of the base is provided with a guide column which is sleeved with the compression spring, the lower end of the compression spring is fixedly connected with the base, the upper end of the compression spring is fixedly connected with the bottom of the pot body, the bottom of the pot body is provided with a upward bulge, a guide hole with a downward opening is formed in the bulge, theguide column is slidably and vertically cooperated with the guide hole, the upper end of the bulge is provided with a cover body, the upper end of the guide column is provided with a movable rod, themovable rod passes through a through hole formed in a corresponding position of the bulge, the through hole is communicated with the guide hole, and the movable rod stretches out from the through hole into the cover body. According to the technical scheme, the gravity-induction type automatic watering flowerpot has the function of automatic watering, and is simple in structure, low in productioncost and easy in popularization.

The invention relates to a stove water heater, and solves the problems that a water tank of the stove water heater needs to be manually replenished with water, the effluent temperature cannot be adjusted and the fluidity of a circulating loop is poor during drainage. A water energy circulation stove water heater has the advantages of convenience in water replenishing, adjustability of the effluent temperature and promotion of circulation by using water energy of tap water during drainage. The water energy circulation stove water heater comprises a shower faucet, a circulation promoter and a circulating loop consisting of a water tank and a heat exchange coil, wherein the shower faucet is provided with a cold water inlet and a hot water inlet; the circulation promoter comprises a shell; the shell is provided with a first impeller chamber and a second impeller chamber which are isolated from each other; the first impeller chamber is provided with a first water inlet, a first water outlet and a first impeller; the second impeller chamber is provided with a second water inlet, a second water outlet and a second impeller; the second water outlet is connected with the cold water inlet; the hot water inlet is connected with the circulating loop; a mixed water faucet is arranged between the cold water inlet and the hot water inlet; the first impeller chamber and the heat exchange coil are connected together in series.

The invention relates to the technical field of refrigerators in electric appliance equipment, in particular to a water dispenser system with selectable water supply modes and a refrigerator with the water dispenser system. The water dispenser system with the selectable water supply modes comprises a water inlet pipe, a drinking water barrel, a drinking water barrel installation base, a three-way electromagnetic valve, a connection pipe, a water storage device and a water outlet valve, wherein one end of the water inlet pipe is connected with a direct drinking water source, the outer end of the water inlet pipe is connected with the three-way electromagnetic valve, the drinking water barrel is arranged on the drinking water barrel installation base, the drinking water barrel installation base is connected with the three-way electromagnetic valve, one end of the connection pipe is connected with the three-way electromagnetic valve, the other end of the connection pipe is connected with the water storage device, and the water outlet valve is arranged on the water storage device. A user using the refrigerator with the water dispenser system can select a barreled water supply mode or a direct drinking water source water supply mode at will according to needs, and the defects that according to a traditional built-in water storage device water supply mode, the capacity of a water storage device is limited, and water needs to be poured into the water storage device frequently when multiple persons use the water dispenser at the same time can be overcome effectively by means of the barreled water supply mode or the direct drinking water source water supply mode.

The invention relates to the technical fields of apparatus and systems for adjusting water levels of tree root systems and control methods of the apparatus and systems, and particularly relates to apparatus and a system for intelligently adjusting the water level of a tree root system and a control method of the apparatus and the system. The apparatus for intelligently adjusting the water level ofthe tree root system comprises a perforating pipe, a water supply and drainage pipe and a water pump; a water level monitoring device is arranged in the perforating pipe; the water level monitoring device and the water pump are respectively and electrically connected with a controller; and operation of the water pump is automatically controlled through the match of the water level monitoring device, the water pump, and the water pump controller or a system management platform. According to the invention, the drainage amount and supply amount of accumulated water in a tree pit can be effectively controlled, and then the accumulated water which does not soak the root system can be reserved in the tree pit and exerts an irrigation effect, so that the resource utilization rate is improved. Meanwhile, water can be timely supplied, so that the survival rate of trees can be further improved, and important significance is achieved for promoting development of sponge cities.

The present invention discloses a highly efficient flour and water spraying and quick-dissolving device. The highly efficient flour and water spraying and quick-dissolving device comprises a base seat. An inner cylinder is arranged on the upper end of the base seat; the outside of the inner cylinder is provided with an outer cylinder; the middle part of the upper end of the outer cylinder is provided with a driving box; the middle part of the upper end of the driving box is provided with a stirring motor; the lower end of the stirring motor is connected with a stirring shaft; the middle part of the upper end of the stirring shaft is provided with a rotating cam; two water guiding cavities are respectively arranged on both sides of the upper end of the outer cylinder; the inner side of thewater guiding cavity is provided with a piston plate; the inner side of the piston plate is connected with a piston rod; the other end of the piston rod is connected with a pressing plate; a water spraying pipe is connected to the lower end of the water guiding cavity; and a spraying head is connected to the end of the water spraying pipe. The mutual cooperation between the rotating cam and waterguiding cavities realizes stirring of dough by stirring blades, at the same time also realizes automatic water supplementing during dough kneading, and greatly increases efficiency and quality of thedough kneading. At the same time, the inner cylinder and outer cylinder are arranged to also facilitate people taking out the kneaded dough. The highly efficient flour and water spraying and quick-dissolving device is simple in operations and high in reliability.

The invention discloses a multi-layer water heating device, which comprises a water outlet pipeline, a bottom layer water boiling tank, a middle water transfer tank and a high layer water storage tank, wherein the middle water transfer tank is respectively provided with a water supply mouth and a water outlet mouth; the water supply mouth is located above the water outlet mouth; the water supply mouth is connected to the high layer water storage tank; the water outlet mouth is connected to the bottom layer water boiling tank; and one end of the water outlet pipeline is set on the bottom layer water boiling tank and extends to an inner cavity bottom wall next to the bottom layer water boiling tank, and the other end thereof extends outside the water boiling tank. According to the invention, three-layer structure from up to down is utilized; water in the high layer water storage tank at the upper most layer flows again into the bottom layer water storage tank through the middle water transfer tank and the water is heated; water flows freely from up to down, so complex structures like a water pump and water balance tank are avoided; the whole structure of the product is simpler and reasonable; further, boiled water in the bottom layer water boiling tank is discharged from the water outlet pipeline for drinking; the water is supplied to the water boiling tank by the middle water transfer tank; after the water inside the water boiling tank is boiled, the water is discharged from the water outlet pipeline, thus the hot water output volume is ensured to be large enough; and the requirement of large amount drinking is satisfied.

The invention belongs to the technical field of plant cultivation, and particularly relates to a potted plant automatic watering device. The potted plant automatic watering device comprises a pot body, a base, a compression spring, a support, a water storage tank and a water pump. The potted plant automatic watering device is characterized in that a pot edge is arranged at the upper end of the potbody, a balance weight is arranged in the base, the pot body is arranged above the base, a guide post is arranged in the middle of the base, the guide post is sleeved with the compression spring, a guide hole which protrudes upwards and is provided with a downward opening is formed in the bottom of the pot body, the guide post and the guide hole are in vertical sliding fit, one end of the compression spring is fixedly connected with the base, and the other end of the compression spring is fixedly connected with the lower end of the pot body. The support comprises a horizontal section and a vertical section, the horizontal section is fixedly connected with the base, an installing plate is arranged at the upper end of the vertical section, a contact switch is arranged on the side, facing the pot edge, of the installing plate, and the contact switch is located over the pot edge. The potted plant automatic watering device in the technical scheme has an automatic watering function, and issimple in structure, low in production cost and easy to popularize.

The invention discloses a flow testing machine of a water heating product. The flow testing machine comprises a positioning device, a water supply system, a programmable controller and a computer, wherein the positioning device is used for fixing a tested product; the water supply system comprises a cold water circulation system and a hot water circulation system; the cold and hot water circulation systems both comprise water tanks, conveyer pumps, recycling tanks, recycling pumps, pressure sensors and flow sensors; a refrigeration device is arranged on the water tank of the cold circulation system; a heating device is arranged on the water tank of the hot water circulation system; and the programmable controller is respectively connected with a frequency converter, the pressure sensors, the flow sensors, the refrigeration device, the heating device and a temperature sensor, thereby controlling the devices to work cooperatively. The flow testing machine has the advantages of operation convenience, energy conservation, high test precision and the like.

A medical oxygen maker includes a case, an ultrafiltration membrane assembly is installed in that case, one end of the ultrafiltration membrane assembly is communicated with a water storage tank, thelower side of the water storage tank is communicated with a three-way pipe, the two ends of the three-way pipe are respectively communicated with a hydrogen production tank and an oxygen production gas tank, the lower ends of the hydrogen production tank and the oxygen production gas tank are communicated with each other through a communication pipe, and a cathode carbon rod and an anode carbon rod are respectively installed in the hydrogen production tank and the oxygen production gas tank. The ultrafiltration membrane assembly is installed in that case to filter water, remove impurities, bacteria, etc from the water, the purity of water is improved, the filtered water enters a water storage tank for storage, when the water level in the hydrogen production tank and the oxygen production gas tank drops, a sealing plate sinks, thereby opening the water inlet of the three-way pipe, so that water can enter the hydrogen production tank and the oxygen production gas tank. After the water level rises, the sealing plate is driven by a floating member to block the water inlet of the three-way pipe, thereby realizing automatic water replenishment and being more convenient to use.

The invention discloses an automatic seaweed roll machine, which comprises a feeding device, a winding device, a coating device and a material taking device; the feeding device has a plurality of conveying rollers for conveying the seaweed pieces to a winding station; the winding device has a rotating table that rotates in a vertical direction and winding rollers that are circumferentially distributed on the rotating table, the winding rollers are all rotated, and the rotating table drives the winding rollers to pass through the winding station, a coating station and a material taking stationin sequence, and the winding rollers can contact the seaweed pieces and roll the seaweed pieces into seaweed rolls during the movement to the winding station; the coating device has a coating bar forrolling the outer peripheral surface of the seaweed rolls on the winding rollers of the coating station; and the material taking device has jaws for taking up the seaweed rolls on the winding rollersof the material taking station. The automatic seaweed roll machine has the characteristics of high integration and automation, high production efficiency and good finished product quality.

The invention discloses a water bath device which comprises a controller, a water bath tank, a condenser and a reaction container, wherein the reaction container is arranged inside the water bath tankand is sealed up; the water bath tank is divided into an upper hollow zone and a sealed lower heating zone; a water inlet device, a water sucking device and a circulation device for circulating waterof the lower heating zone are connected with the lower heating zone; the reaction container is inserted into the lower heating zone and is in sealed connection with the lower heating zone; the condenser is communicated with the lower heating zone; a heating device, a water temperature detection element and a liquid level detection element are arranged inside the lower heating zone; the heating device, the water temperature detection element and the liquid level detection element are all in communication connection with the controller. By adopting the water bath device, the problems that in the prior art vapor of a conventional water bath device leaks off, temperatures of different parts are not uniform, water replenishing cannot be carried out for water bath automatically, can be solved.

The invention provides a constant-temperature water-feeding device for feeding pigs. The constant-temperature water-feeding device comprises a water storage tank, an electric heating pipe, a temperature probe, a temperature controller, a water outlet pipe and a water-feeding device body, wherein the water outlet pipe is connected with the water storage tank, and the water-feeding device body is installed at the free tail end of the water outlet pipe. An electromagnetic valve for controlling water flow to be connected or disconnected is arranged on the water outlet pipe, the electric heating pipe is inserted into the water storage tank, one end of the temperature probe is installed inside the water storage tank to detect the actual water temperature of water inside the water storage tank, the temperature controller comprises a setting module and a controlling module connected with the setting module, the setting module is used for setting a preset water temperature value, the controlling module is connected with the electromagnetic valve, the electric heating pipe and the temperature probe and used for comparing the actual water temperature with the preset water temperature value, when the actual water temperature is lower than the preset water temperature value, the electromagnetic valve is switched off, the electric heating pipe is made to carry out heating, and when the actual water temperature is equal to the preset water temperature value, the electromagnetic valve is switched on to turn off the electric heating pipe. The constant-temperature water-feeding device for feeding the pigs can provide feeding hot water suitable for the pigs.

The invention discloses a heat pipe type solar vacuum tube water boiler and a water boiling system. The water boiler comprises a plurality of single connector tubes and a heat conduction water pipe connected with the single connector tubes; each single connector tube comprises an outer glass tube, a heated glass tube and a metal vacuum tube; each heated glass tube is arranged in the corresponding outer glass tube through a metal bracket in the manner of deviating from the axis; a metal reflective coating is plated on the inner wall of a half side of each outer glass tube close to the corresponding heated glass tube; one end, positioned in each heated glass tube, of the corresponding metal vacuum tube is closed through fixing a heat pipe seal head with a heat pipe pin, and the other end, which is exposed, of each metal vacuum tube extends outwards and is expanded to form a heat pipe seal head with a closed tail end and taking the shape of a cone frustum; a plurality of groove-shaped seal head taper sleeves are arranged on the heat conduction water pipe in an equally-spaced manner; each seal head taper sleeve takes the shape of an inverted cone frustum; the heat pipe seal heads are inserted in the seal head taper sleeves. Through the use of an all-glass internal light-focusing eccentric vacuum tube structure and other structures, heat is collected efficiently, high-temperature boiled water is produced continuously, the structure is simple, and the mass production is facilitated.

The invention discloses a solar water heater control system which comprises a heat storage water tank, a heat collector and a controller. A first temperature sensor, a water level sensor and an auxiliary electric heating device are arranged in the heat storage water tank. A water filling valve is arranged on a water inlet pipeline. A water supply pump, a one-way valve and a water flow switch are arranged on a water supply pipeline. A second temperature sensor and a backwater valve are arranged on a backwater pipeline. A third temperature sensor is arranged on a hot water outlet pipeline of the heat collector, and a circulating water pump is arranged on a hot water inlet pipeline. The controller receives signals collected by the temperature sensors, the water level sensor and the water flow switch so as to achieve the starting and stopping control over the water filling valve, the water supply pump, the one-way valve, the backwater valve and the circulating water pump and the on-off control over the auxiliary electric heating device, thereby achieving the functions of automatic water filling, automatic heating, auxiliary electric heating, instant heating and the like of a solar water heater. The solar water heater control system can be convenient to use, accurate in controlling and high in automatic degree.

The invention provides a concentrated air conditioning condensate recycling and reusing system which comprises an air conditioning unit, a condensate tank and an expansion tank. The condensate tank is connected with a condensate pipe of the air conditioning unit, and a condensate pump and a first liquid level sensor are arranged inside the condensate tank; the expansion tank is connected with the condensate pump through a pipe, a first power-driven water valve is arranged between the expansion tank and the condensate pump, the expansion tank is further connected with a life water supply pipe through a pipe, and a second power-driven water valve is arranged between the expansion tank and the life water supply pipe; a second liquid level sensor is arranged in the expansion tank, and the expansion tank is provided with an expansion pipe for supplying water to the air conditioning unit; and the first liquid level sensor controls opening and closing of the first power-driven water valve and the second power-driven water valve according to liquid level parameters, measured by the second liquid level sensor, of the expansion tank and liquid level parameters, measured by the first liquid level sensor, of the condensate tank. By means of the concentrated air conditioning condensate recycling and reusing system, air conditioning condensate can be orderly recycled and sufficiently used, and energy-saving and water-saving running of an air conditioning system is achieved.

The invention discloses a tail gas purification device of a mine electrical control anti-explosion diesel engine. The tail gas purification device comprises a box body, a noise reduction chamber and a purification chamber, wherein the noise reduction chamber is arranged at the upper part in the box body; the noise reduction chamber is a sealed chamber; an air inlet is formed on a transition connection disk at one side of the noise reduction chamber; the purification chamber is arranged at the lower part of the noise reduction chamber; the purification chamber is communicated to an air outlet of the noise reduction chamber; and the air outlet is formed at one side of the box body. The tail gas purification device disclosed by the invention has the advantages of simple and rational structural design, small volume, low water consumption and convenience for use and is capable of effectively reducing noise and realizing the functions, such as automatic water replenishing and water level alarm, therefore, the safety and the reliability of the tail gas purification device are increased, and the working efficiency and the transportation capability are further increased.

The invention provides a solar full-spectrum utilization type water and power joint production system. The solar full-spectrum utilization type water and power joint production system comprises an evaporation cavity casing and a steam generator, wherein the steam generator comprises a porous capillary core and a condensing heat release pipeline, and the condensing heat release pipeline is embeddedinto the porous capillary core; the evaporation cavity casing is separated into an upper primary steam chamber, and a lower seawater compensation chamber; a solar battery panel array is paved at thesurface of the porous capillary core; the bottom part of the solar battery panel array is provided with a primary steam chamber; the primary steam chamber, a low-grade primary steam outlet pipeline, asteam compressor, a high-grade secondary steam input pipeline and the condensing heat release pipeline in the porous capillary core are sequentially communicated. The solar full-spectrum utilizationtype water and power joint production system has the advantages that while the solar battery panel is used for producing electric energy, the local heat effect of the battery panel is used for heatingthe water at the surface layer to produce a large amount of fresh water, so that the utilization rate of solar energy is greatly improved; the temperature of solar surface is effectively reduced, andthe efficiency of the solar battery panel is improved.

The invention relates to a rainwater collection and purification tree pool in arid and semi-arid regions. The rainwater collection and purification tree pool comprises an inner wall and an outer wall,the inner wall and the outer wall form a water storage zone, first water outlets are formed between the bottom of the inner wall and the water storage zone, and overflow ports are formed in the top of the inner wall; a water purification zone is disposed in the inner wall, a water filtering zone is disposed on the top of the water purification zone, and the outer surface of the water filtering zone fits the inner wall; a water distribution plate is disposed in the middle of the water filtering zone, and the bottom of the water distribution plate extends to the water purification zone; a darkgroove is formed in the water filtering zone, and a height difference is formed between the dark groove and the water distribution plate; water catchment channels are formed in the top of the water storage zone, and grilles are arranged on the tops of the water catchment channels. The combination of the water purification zone and the water storage zone can achieve automatic water replenishment ofgreen plants during an intermittent period of rainwater; through arrangement of multi-stage water filtering facilities, sufficient filtering and storage of the rainwater are achieved. At the same time, multiple water storage units are designed to achieve graded storage of the rainwater, and water supply to the plants is optimized.

The invention discloses a garden road greening structure. The garden road greening structure comprises a planting box body, the planting box body comprises an outer box body and an inner assembly, theouter box body is provided with an opening, a first clapboard, a second clapboard and two third clapboards are arranged in the outer box body, and a supporting plate covers the sides, away from the bottom of the outer box body, of the first clapboard, the second clapboard and the two third clapboards. A first flow channel and a second flow channel are both provided with a drainage port communicated with the outer environment; a drainage piece is arranged on the supporting plate; one end of a diversion pipe is communicated with a second water outlet. A mounting piece is connected with the drainage piece, and internally provided with a limiting cavity for placing a floating ball, a first water outlet is communicated with the limiting cavity, and a through hole used for being communicated with the limiting cavity and a liquid storage cavity is formed in the mounting piece; the floating ball is arranged in the limiting cavity; water absorbing cotton is arranged on the supporting plate. The structure brings convenience to growing of green plants, and the growth environment of the green plants is good.

The invention discloses a landscape flowerpot for a municipal road. The landscape flowerpot comprises a flowerpot main body, wherein a water-storing cavity and planting cavities are respectively formed in the flowerpot main body, and the planting cavities are located above the water-storing cavity; cotton strips are further arranged in the flowerpot main body, one ends of the cotton strips are arranged in the water-storing cavity, and the other ends of the cotton strips are arranged in the planting cavities; a water tank is arranged on the outer wall of one side of the flowerpot main body, andthe outer wall of one side of the water tank communicates with the water-storing cavity through a water-replenishing pipe; a water supplying pipe is arranged on the outer wall of the top of the watertank, and an end cover is connected to the inner wall of the water supplying pipe through threads; and a water-replenishing mechanism is arranged in the water tank and comprises a partition board, limiting rods, a floating block and rubber balls. Automatic water supply of the landscape flowerpot is effectively realized, and the landscape flowerpot does not need to be usually and manually wateredand irrigated, so that the labor is greatly saved, a use effect is better, and meanwhile, the situation that plants are drowned due to excessive water replenishing can be avoided.

The invention discloses a tobacco shred fully-closed temperature-equalizing and humidity-equalizing method and equipment. The tobacco shred fully-closed temperature-equalizing and humidity-equalizingequipment comprises a main shaft, a humidifying system, a heating system, a discharging airlock and an equipment shell body, wherein a feeding port and a discharging port are formed in the two ends ofthe equipment shell body respectively, the feeding port is connected with a discharging port of an air-material separator of the airflow drying device, the discharging port is connected with the discharging airlock, the humidifying system is arranged at the end close to the feeding port, the heating system is arranged on the equipment shell body, the main shaft is arranged in the equipment shellbody, and loosening rollers are spirally distributed on the outer wall of the main shaft. The tobacco shreds are loosened firstly, then the tobacco shreds with substandard moisture are subjected to micro moisture regaining in a humidifying mode, and finally the tobacco shreds with too high moisture are rapidly evaporated in a mode of increasing the heating temperature, so that the phenomenon thatthe temperature and the humidity of the tobacco shreds are unbalanced after airflow drying is effectively avoided.

The invention discloses an automatic water replenisher which comprises a closed water storage tank (1), a water filling pipe (2) and a water level height control pipe (3). A water inlet of the water storage tank (1) is formed in the bottom or the side wall of the water storage tank (1) and sealed with a seal cover (4), the water filling pipe (2) and the water level height control pipe (3) are connected to the bottom or the side wall of the water storage tank (1) and both communicated with an inner cavity of the water storage tank (1), and the lower end of the water level height control pipe (3) is higher than that of the water filling pipe (2). Automatic water replenishing is achieved through the siphon principle (that is, the communicating vessel principle), and the automatic water replenisher is simple in structure, ingenious in conception, low in manufacture cost, convenient and practical.

The invention discloses an automatic control system for an unattended emulsion pump, belongs to the technical field of hydraulic pumping stations. The automatic control system includes a pressure supply device and a control device. The pressure supply device includes an emulsion pump and an emulsion tank. The inlet of the emulsion pump is in communication with the emulsion tank, the liquid outletof the emulsion pump is connected with a liquid supply pipe, and the liquid supply pipe is equipped with a one-way valve. The control device includes a detection component that detects the oil pressure in the hydraulic prop and a PLC which is electrically connected to the detection component. The PLC is electrically connected to the motor of the emulsion pump. When the detection component detectsthat the oil pressure in the pressure strut fluctuates, the PLC outputs a control signal to control the operation of the emulsion pump motor; when the detection component detects the pressure support,the internal oil pressure does not fluctuate within T time, and the PLC outputs a control signal to control the motor of the emulsion pump to stop working. The invention has the effect of saving energy.

The invention relates to the field of livestock farming, and discloses an automatic-water-supply pigsty water trough. According to the invention, the water trough is divided into an inner side drinking trough (1) and an outer side water replenishment trough (13) by a pigsty fence (3); a through hole (14) communicating the drinking trough with the water replenishment trough is formed in the bottom of the fence; a vertically upward water replenishment pipe (12) is arranged in the water replenishment trough, and is connected with a water tank; a vertical upright column (9), a crossbeam (6) hinged on the top of the vertical upright column, a float ball (8) fixed on one end of the crossbeam, a connection rod (5) with the upper end hinged on the other end of the crossbeam, and a water stopping plug (10) arranged on the lower end of the connection rod are arranged in the water replenishment trough; and the water stopping plug covers and seals a water outlet at the top of the water replenishment pipe. According to the invention, the water replenishment pipe is opened or closed with the float ball which is changed with the water level, such that automatic water replenishment of the drinking trough is realized with no manual intervention. The water trough has the advantages of simple structure and convenient application. The drinking trough and the water replenishment trough are separately arranged on the inner and outer sides of the pigsty fence, such that structures such as the float ball are prevented from being damaged by piglets.

The invention discloses a water circulation automatic water-supplement heating stove. A heating water cavity is formed in a stove body, an auxiliary cavity communicating with the heating water cavityis formed in the left side of the heating water cavity, and a driving cavity is formed in the lower side of the auxiliary cavity. A motor is installed on the lower side wall of the driving cavity, a transmission shaft is installed on the upper side wall of the motor, a cam is fixedly arranged on the transmission shaft, and piston cavities are formed in the left position and the right position, taking the transmission shaft as the symmetry center, of the upper side wall of the auxiliary cavity. The water circulation in the heating water cavity can be realized by up and down sliding of pistons.The water circulation automatic water-supplement heating stove is simple and convenient to operate and low in manufacturing cost, the circulation of water in the heating stove can be realized, the indoor temperature increase rate is accelerated, and meanwhile, automatic water supplement and recycling of heat in exhaust gas generated by combustion can be achieved, so that the heat efficiency is improved.

The invention provides an explosionproof automatic pressure relief boiler which comprises a boiler body, a pressure relief pipe, a communicating pipe and an automatic feedwater tank. The lower part of the automatic feedwater tank communicates with the boiler body by means of the communicating pipe, so that water is fed in the boiler body through the communicating pipe by automatic feedwater tank. One end of the pressure relief pipe communicates with the boiler body, and the other end of the pressure relief pipe extends into the water surface of the automatic feedwater tank, so that the excessive high-pressure water vapor generated in the boiler body is discharged through the pressure relief pipe, and the condition that the pressure in the boiler body is too high, resulting in boiler explosion is avoided; the automatic feedwater tank is arranged above the boiler body, and is higher than the boiler body, so that water in the automatic feedwater tank can flow in the boiler body automatically, the whole process does not need to be supervised manually, and automatic water feed and explosion protection can be realized; and besides, the integral structure is relatively simple, the manufacturing cost is low, and the explosionproof automatic pressure relief boiler is suitable for popularization and application.

A vehicle-mounted large-capacity water tank comprises a water tank body, a water inlet, a water outlet, an overflowing opening and a liquid level valve. The water inlet and the overflowing opening are formed in the top face of the water tank body, and the liquid valve is arranged in the water tank body. The vehicle-mounted large-capacity water tank is characterized in that the water tank further comprises a self-priming centrifugal pump which is fixed to the top face of the water tank body; a water inlet of the self-priming centrifugal pump is formed in the lower portion inside the water tank body; and an water outlet of the self-priming centrifugal pump is a water outlet of the water tank. The water tank can be arranged at the bottom of a train or arranged inside a train body and is lower than the gravity center of the train, so that the safety coefficient is high.

The invention relates to the technical field of river channel desilting, in particular to a river channel desilting vehicle capable of being used for cleaning river channels with different depths. The river channel desilting vehicle comprises a bottom plate, roller frames are fixedly installed at the four corners of the bottom end of the bottom plate, crawler wheels are arranged in the roller frames, the two crawler wheels in the front are connected through a crawler belt, and the two crawler wheels in the rear are connected through a crawler belt. The river channel desilting vehicle can desilt rivers with different depths, is large in desilting range, meets use requirements, can continuously flap a mud pumping pipe in the desilting process so as to continuously vibrate the mud pumping pipe to prevent blockage of internal mud, ensures normal operation of the desilting process, can realize pumping and collection of water in the desilting process, and the pumping work can be automatically stopped after a storage box is filled with sludge, the collected water can be automatically utilized, and the sludge can be automatically supplemented with water in the sludge transportation process, so that it is guaranteed that the sludge is in a wet state, discharging is convenient, and the river channel desilting vehicle is worthy of application and popularization.