72results about How to "Reduce water supply" patented technology

The invention discloses a method for forming an ash removing water film for a wet electric dust remover and a dust collecting pole plate used by the same. The invention solves the problem that a water film for completely covering the pole plate can not be formed on a super-high pole plate higher than 10 meters, thus the wet electric dust remover can be used for removing dust in super-large-flow flue gas such as flue gas in coal burning boilers of thermal power plants and the like, and the invention has the advantages of reducing floor space, saving dust removing water, and the like. The method for forming the ash removing water film comprises the following steps: dividing the dust collecting pole plate into a plurality of vertical strip-shaped regions along the airflow direction, supplying water to the pole plate from the upper space of the dust collecting pole plate, limiting the dust removing water in each narrow strip-shaped region to flow downwards, and covering each small strip-shaped region, thereby forming the water film for completely covering the whole dust collecting pole plate.

The invention provides a wafer transfer method and a grinding device. Even in a state where the surface tension is strong and the amount of water supplied to hold the wafer on the holding table via the water layer is reduced, the wafer can be peeled from the water layer to be transported. The sucker (171) of the transfer unit (17) is held on the suction position of the wafer (W) on the holding table (163) through the water layer (162), and is set as the sucker center (φ2) so as to be aligned with the wafer (W). ) of the center (φ1) of the wafer does not coincide with the state of being sucked by the chuck (171), and the transfer arm (172) is raised in the vertical direction to transfer, thereby, it is different from the position sucked at the center of the wafer. Compared with the situation, the adsorption and detachment of the wafer (W) from the water layer (162) becomes extremely easy.

The invention relates to an automatic micro-moistening and irrigating system capable of totally controlling water, fertilizer, air and temperature. Water, fertilizer, air and temperature of soil are four main environmental condition factors for restraining the growth and the development of crops, wherein the change of any one single factor can cause great influence on the growth and the development of the crops, and after the change reaches a certain critical value, crops can be caused to grow slowly, stop growing and even die. The automatic micro-moistening and irrigating system comprises a water supply tank (1), wherein the water supply tank is connected with a water pipe (2), the water pipe is provided with a valve (3), a heater (4) and a fertilizer feeding pot (5) in sequence; the water pipe is connected with a group of micro-moistening pipes (6); and a computer is connected with a water, fertilizer, air and temperature control system through a sensor. The automatic micro-moistening and irrigating system is used for production of facility agriculture and precision agriculture.

A conveyor dishwasher (1) has at least one wash zone (6, 7, 8, 9) and at least one final- rinse zone (10), also a control arrangement (36) and a wash-ware detector (34) which can sense the type of wash ware which is to be treated. The control arrangement (36) assigns each type of wash ware sensed to a defined wash-ware group, selects automatically, for each wash-ware group, a defined treatment programme by which the type of wash ware assigned to the wash- ware group is to be treated in at least one of the treatment zones (6, 7, 8, 9, 10, 26) of the conveyor dishwasher (1), and sets the process parameters associated with the treatment programme selected.

The present invention relates to a true and false motion lawn and a manufacturing method therefor. The true and false motion lawn comprises an unmodified rhizosphere layer. The upper portion of the unmodified rhizosphere layer is a modified rhizosphere layer, wherein the thickness of the modified rhizosphere layer is 8-12 cm; a false grass reticular layer is embedded onto the modified rhizosphere layer, wherein the thickness of the false grass reticular layer is 3-7 cm, and the thickness of the unmodified rhizosphere layer is 15-25 cm. The manufacturing method comprises: spreading seeds on the surface layer of the modified rhizosphere layer; planting true grass; and uniformly distributing false grass on the false grass reticular layer. The true and false motion lawn combines the advantages and avoids disadvantages of the two, brings motion back to nature, and meanwhile is more durable, safer and costs less money and effort.

The invention relates to a device and method for measuring the surface temperature of plate blank online. The device comprises a temperature measuring probe, a temperature measuring optical fiber, a probe fixing frame, a connecting piece, a probe protection sleeve and a metal hose. The temperature measuring probe is arranged on the head of the temperature measuring optical fiber. The temperature measuring optical fiber is placed in the metal hose. The connecting piece is movably connected with the probe fixing frame. The probe protection sleeve is fixedly connected with the connecting piece. The method comprises the steps that the working position, to the plate blank, of the temperature measuring probe of the device is adjusted; temperature measuring is conducted on the plate blank through the temperature measuring probe; argon is blown into the probe protection sleeve through the metal hose; temperature data are processed through a data processing assembly. By means of the device and method, the surface temperature of different positions of the plate blank can be accurately measured, the temperature of a certain position of the plate blank can be measured continuously and the temperature data can be recorded and counted.

The present invention relates to magnetic separating technology, and is especially one kind of wet magnetic separator. The wet magnetic separator includes a rotating drum with a magnetic system, a tank below the rotating drum, a stirrer inside the tank and comprising rotating shaft and blades on the shaft, a mechanical driving unit and a power mechanism connected through the mechanical driving unit to the shaft. The wet magnetic separator is used in separating magnetic material compounded in water, and has the advantages of high separating efficiency, high separating precision, low water consumption, etc.

The invention discloses an inside-hole water shutoff device used in detection of the wall rock damage range in an upward hole by means of a sonic approach. The inside-hole water shutoff device prevents coupling water from flowing out along a drilling hole, simultaneously limits the water spreading range of the coupling water along cracks within the drilling hole with a specific length and effectively controls the spreading rate of the coupling water inside the drilling hole. The inside-hole water shutoff device is characterized by being composed of a rubber air bag (10), an air bag protection sleeve (9) and a ring-shaped ferrule (8), and the air bag protection sleeve is tied to a steel tube close to the outer side of the ring-shaped ferrule through adhesive tape (6). The inside-hole water shutoff device mainly has the advantages that the rubber air bag with good expansibility and toughness can fully fill a gap between the steel tube and the hole wall, the air bag protection sleeve can protect the rubber air bag from being damaged due to abrasion and can effectively restore an original shape after air is exhausted, the ring-shaped ferrule and the adhesive tape can effectively fix positions of the air bag protection sleeve and the rubber air bag and prevents the air bag protection sleeve and the rubber air bag from being pressed and overlapped together due to the fact that the steel tube is put in or pulled out.

The invention discloses an intelligent control system for a rice polishing machine. The intelligent control system comprises the rice polishing machine, a polishing machine detection system and a controller. The controller controls the polishing machine detection system through electrical signals. The polishing machine detection system comprises a finished product water content detection system, a feeding inlet opening degree detection and regulation device, a spindle rotating speed detection system and a main machine current detection system. By means of the intelligent control system for the rice polishing machine, the problem that flow rate control completely depends on the experience of operators is solved, the danger that rice caking happens to block the machine due to the extremely-high water content of rice is avoided, the operating state of the polishing machine can be detected and regulated in real time, and polishing quality of the rice is guaranteed; and meanwhile, the polishing machine can be better protected, and the service life of the polishing machine is prolonged.

The invention discloses a bearing. The bearing comprises a bearing pedestal, a bearing cap, a tilting fillet, a supporting bush, a forward thrust pad, a forward thrust disc, a first oil cavity, a second oil cavity, a cooler and an oil-containing cover. The tilting fillet is fixed to the bearing pedestal. The supporting bush is fixed to the inner diameter side of the tilting fillet. The forward thrust pad is fixed to the front side of the tilting fillet. The first oil cavity is a sealing cavity formed by covering the bearing cap and the bearing pedestal. The second oil cavity comprises a hot oil inlet and a cold oil outlet. The second oil cavity communicates with the first oil cavity through the hot oil inlet. The cooler is arranged in the second oil cavity. The oil-containing cover is arranged at the outer diameter side of the forward thrust disc. The oil-containing cover and the forward thrust disc form an oil-containing cavity. An oiling groove is formed in the inner diameter side of the supporting bush. An oil throw-off cavity is formed in the inner diameter side of the forward thrust pad. The oil-containing cavity comprises a high pressure oil outlet and an oil pumping opening. The oil pumping opening communicates with the cold oil outlet of the second oil cavity. The high pressure oil outlet is divided into two oil ducts which communicate with the oiling groove and the oil throw-off cavity correspondingly. The bearing has high heat exchange efficiency, and bearing pad burning can be effectively avoided.

The invention discloses a rain energy collecting and utilizing system for rainwater at a roof of a high-rise building. The rain energy collecting and utilizing system is characterized by structurally comprising a water collecting slope of a building roof, wherein the bottom of the water collecting slope (1) is connected with a simple physical and chemical purification device (3) through a rainwater pipe (2), the simple physical and chemical purification device (3) is communicated with a water storage tank (5) through a connecting hole (4), the bottom of the water storage tank (5) is connected with a water consumption pipe (6), a toilet flushing water consumption pipe (10) of each user unit is respectively connected to the water consumption pipe (6), and the upper part of the water consumption pipe (6) is also connected with a traditional water supply pipe (9). The rain energy collecting and utilizing system has the advantages that the rainwater is accumulated, meanwhile, the rain energy of the rainwater at the top of the high-rise building is accumulated, the energy source is fully utilized, in addition, the classification utilization of water quality is realized, the rainwater is used for flushing toilets, a purification system is simplified, in addition, matched pipe networks and facilities for rainwater collection are reduced in a mode of both production and use by self, meanwhile, the contribution to rain blockage and accumulation for urban flood control from the source is made, and high popularization values are realized.

The invention provides a system and method for adjusting the flexibility of a coal-fired unit using water supplementing tanks. When the load of the system is increased, the opening degree of a first water feed pump is reduced, the water feeding amount is reduced, required steam extraction of a steam turbine is less, and the work of the steam turbine is increased; meanwhile, the liquid level of a condenser rises, and the cold water supplementing tank can store condensed water to prevent the liquid level of the condenser from being too high; and the water feeding amount is reduced, so that the liquid level of a deaerator is reduced, and at the time, the hot water supplementing tank supplements water to the deaerator under driving of a second water feed pump. When the load of the system is decreased, a part of exhausted steam of a high-pressure cylinder enters a jet type heat pump, the amount of steam entering a low-pressure cylinder is reduced, the work of the steam turbine is reduced, the jet type heat pump uses the exhausted steam of the steam turbine to heat low-temperature water in the cold water supplementing tank, and the mixed high-temperature water is injected into the hot water supplementing tank. According to the system, an external water supplementing tank adjusting system is added on the system of an original heat recovery system, the unit heat storage capacity is increased while the load of the unit is quickly increased or decreased, the equipment structure is simple, and the flexibility and economical efficiency of the unit are improved.

The invention provides a thermal power generation unit main steam temperature control method. The thermal power generation unit main steam temperature control method comprises the following steps of 1, establishing a dynamic performance relation according to the dynamic performance of a boiler; arranging a state observer in the boiler and conducting computing on a smoke baffle instruction and themain steam flow as inputs of the state observer through an algorithm in the state observer to obtain a state feedback value, transmitting the state feedback value to a control device and transmittingan opening and closing instruction to a baffle through the control device; 2, establishing a static performance relation according to the static performance of the boiler, wherein the relation is shown as the formula: G(h<s>-h<w>)=BQ<eta>; and 3, establishing a steam temperature control loop according to the dynamic performance in the step 1 and the static performance relation in the step 2, wherein the steam temperature control loop comprises coal quantity control, feedwater quantity control and attemperation water flow control. Thus, the thermal power generation unit main steam temperature control method has the advantage that the main steam temperature control effect is improved.

The invention provides a flue gas purification and waste heat recovery system which comprises a cyclone; a housing of the cyclone comprises an upper cylindrical barrel body and a lower cone; a partition plate is arranged in the housing and divides the housing into a dust collection chamber and a gas purification chamber; an overflow port of the cyclone is located above the gas purification chamber; an impurity discharge port of the cyclone is located below the dust collection chamber; a ceramic filtering membrane tube is arranged on the partition plate and stretches towards the dust collection chamber; a preheating exchanger is arranged in a gas inlet of the cyclone; a main heat exchanger is arranged in the ceramic filtering membrane tube; and a water inlet pipe, the preheating exchanger, a connecting pipe, the main heat exchanger and a water outlet pipe are sequentially connected. When high-temperature flue gas enters the flue gas purification and waste heat recovery system, the high-temperature flue gas exchanges heat with the preheating exchanger, and water in the preheating exchanger is pre-heated and then enters the main heat exchanger, by this time, a temperature difference between the temperature of the flue gas and the temperature in the main heat exchanger is reduced, and the temperature difference between the interior and the exterior of the ceramic filtering membrane tube is reduced, thus the ceramic filtering membrane tube is effectively prevented from being damaged by thermal shock.

The invention discloses an upstream surface structure of a concrete face rockfill dam for preventing a face from disengagement and a construction method thereof. The structure comprises a concrete face, a concrete toe board, an extrusion side wall and a wave wall, wherein the extrusion side wall is tightly attached to the lower side of the concrete face; the wave wall is positioned at the tops of the concrete face and the extrusion side wall; the concrete toe board is positioned at the bottom of the concrete face and is connected with a foundation; a plurality of grooves are formed in parallel at intervals along the slope surface direction of the surface of the extrusion side wall; a backfill grouting pipe is embedded into each groove; an anti-blocking protection film is paved on the surface of each backfill grouting pipe. Disengagement grouting treatment is carried out through the grouting pipes which are embedded in advance, self-flow type grouting is adopted, the structure is forward-looking and has a prevention function, and the face cannot be damaged; by embedding the grouting pipes at the bottom of each face, requirements on grouting treatment for the disengagement of each part of the face are met, and disengagement grouting treatment can be carried out in different time periods and for different times.

The invention discloses a second-level runoff adjustment and scheduling map form of a reservoir mainly used for urban and rural water supply and irrigation, a drawing method of the graph and a method for calculating second-level runoff adjustment of the reservoir by using the scheduling map. The scheduling map comprises a flood control region, a water supply increase region, a region for guaranteeing water for urban and rural water supply and irrigation, a region for guaranteeing water for urban and rural water supply and reducing water for irrigation and a region for reducing water for urban and rural water supply and irrigation, and the regions are partitioned according to a flood control limit line R and reservoir scheduling lines r1, r2 and r3. According to the second-level runoff adjustment and scheduling map drawing method of reservoir mainly used for urban and rural water supply and irrigation, the second-level runoff adjustment and scheduling map form of the reservoir mainly used for urban and rural water supply and irrigation is provided at the first time; the reservoir region is partitioned on the scheduling map into 5 operating regions such as the flood control region, the water supply increase region, the region for guaranteeing water for urban and rural water supply and irrigation, the region for guaranteeing water for urban and rural water supply and reducing water for irrigation and the region for reducing water for urban and rural water supply and irrigation; the 5 operating regions are partitioned according to 3 reservoir scheduling lines r1, r2 and r3 and the flood control limit line; and the urban and rural water supply amount and the irrigation water amount of the reservoir in each region in the reservoir scheduling map are prepared.

The invention relates to a coke oven raw gas heat continuous recovery system. The system comprises a high-temperature dust remover, a waste heat boiler, a low-temperature heat exchanger, a deaerator,a desalting water tank, a heating furnace, a temperature reducing and pressure reducing device, a steam superheater and a pressure reducing device. The waste heat boiler is used for efficiently recovering the heat of coke oven raw gas, multi-parameter steam is produced to be used by high-voltage power generation users and low-pressure steam users, internal steam of a process system is recycled, and the purpose of energy conservation is achieved; meanwhile, continuous operation of the waste heat recovery process system is guaranteed, and safe production of a coke oven is not influenced.

The invention belongs to the technical field of energy saving monitoring electric equipment and particularly provides a frequency conversion and energy saving monitoring system for a water source well of an oil field. The frequency conversion and energy saving monitoring system comprises an electric submersible pump, an asynchronous motor driving the electric submersible pump and a water outlet pipeline connected with the electric submersible pump. A pressure transmitter is arranged on the water outlet pipeline at a wellhead, measures pressure of outlet water, and converts the pressure of outlet water into a 4mA-20mA electric signal. The pressure transmitter is electrically connected with an I / O module of a PLC, and the I / O module of the PLC is electrically connected with an operation panel of a frequency converter to control the frequency converter connected with and controlling the asynchronous motor. The frequency conversion and energy saving monitoring system has the advantages that energy saving effect is obvious, loss of a power supply circuit is reduced, load capacity of the pressure transmitter is improved, and mechanical shock loss of the electric submersible pump and the asynchronous motor is reduced. Accordingly, the reliable energy saving monitoring device is provided for normal production of the oil field.

The invention discloses a method for controlling the precision of a drilling trajectory. The method includes the following steps that a predetermined trajectory of a drill rod is determined; a main shaft of the drill rod is divided into finite elements, and the parameter, element mass (please see the description), total weight M and rigidity K of the rill rod are obtained; According to the formula (shown in the description), drill rod offset control is conducted, the allowable offset Ep is set, the rotating speed Omega of the drill rod can be obtained through MATLAB software, in the drilling process, by controlling the drilling speed, the water supply amount of a main pump is reduced, the pressure of water in a hole is reduced, and the actual drilling trajectory is controlled. When the method is applied to control over precision of guide hole digging trajectory of raise-boring machine, related parameters are obtained, a drilling scheme is formulated, after offset occurs, according to the requirement of the scheme, the drilling speed is increased, the method is cooperated with the GPS in use, by controlling the rotation speed and the drilling angle of the drill rod in the inclined shaft excavation process, the drilling depth is positioned in the construction process, and the inclined shaft construction with the guide hole trajectory precision controlled can be achieved.

The invention discloses a multistage irrigation device for a plant planter. The planter comprises a first water tank and a second water tank, wherein the second water tank is formed in the upper portion of the first water tank, the first water tank is configured to supply water to the second water tank, the second water tank is configured to supply water to a planting basket, the second water tankis internally provided with a plurality of drainage holes, the other end of each drainage hole is communicated with the first water tank, and the drainage holes are of at least two types of heights.The second water tank is internally provided with a plurality of outfalls used for conveniently discharging excess water in the second water tank from the drainage holes into the first water tank forcycle collection, thereby not only saving water, but also avoiding potential safety hazards caused by the excess water in the second water tank. The outfalls are of different heights, thereby forminga plurality of irrigation stages, and the water level is controlled accurately to meet the humidity requirements of different plants.

The invention discloses an annular pipe network irrigation system. The annular pipe network irrigation system comprises a first part, a main pipe, sub-main pipes, water supply plugs, branch pipes, andcapillary pipes, wherein the first part comprises a pressurization system and a filtration system, the first part communicates with a water source, the main pipe communicates with the first part, thesub-main pipes communicate with the main pipe, the water supply plugs are arranged on the sub-main pipes, the branch pipes communicate with the sub-main pipes through the water supply plugs, the capillary pipes communicate with the branch pipes, the sub-main pipes are at least two, one end of each sub-main pipe communicates with the main pipe, the other ends of the sub-main pipes communicate witheach other, and an annular pipe network is formed between the main pipe and the sub-main pipes. The system has the advantages of small water loss, stable water supply, convenient maintenance and highpipeline utilization rate, and is mainly used for conveying water in farmland irrigation systems.

The invention discloses a cooling bearing. The cooling bearing comprises a bearing seat, a pad base, a positive thrust plate, a first oil cavity, a second oil cavity, a cooler and an oil driving cover, wherein the pad base is fixed to the bearing seat; a supporting pad is arranged on the inner diameter side of the pad base, and a positive thrust pad is arranged on the front side of the pad base; the second oil cavity communicates with the first oil cavity through a hot oil inlet, and the cooler is installed inside the second oil cavity; the oil driving cover and the positive thrust plate form an oil driving cavity; an oil injecting groove is formed in the inner diameter side of the supporting pad and is of a spiral shape; an oil throwing cavity is formed in the inner diameter side of the positive thrust pad; and the oil driving cavity comprises a high-pressure oil outlet and an oil pumping port, the oil pumping port communicates with the second oil cavity, and the high-pressure oil outlet communicates with the oil injecting groove and the oil throwing cavity. The cooling bearing has high heat exchange efficiency and can effectively prevent a bearing pad from being burnt.

The invention discloses an inter-tidal zone fish deposition habitat and self-purification underground pipeline ecological breeding system which is mainly composed of an impounding reservoir, a pipeline system, a bait feeding window and a deposition living box. The bait feeding window is connected with the deposition living box through a fish channel, the bottom of the bait feeding window is connected with a clean water draining pipe, and the impounding reservoir is connected with the bait feeding window and the deposition living box through a pipeline water inlet system. The breeding system is improved based on an original patent according to the actual using situation, and a mode that a bred fish dining room is relatively separated from a fish living room is established. An original vertical pipe is replaced by the deposition living box, a natural deposition habitat is provided, and soil self-purification capability is improved. An original managing window is replaced by the bait feeding window, so that the self-purification capability of the system is improved. The utilization efficiency of tide energy is improved. By means of the inter-tidal zone fish deposition habitat and self-purification underground pipeline ecological breeding system, the health and disease resistance capability of the bred fishes can be improved, and the rate of survival and fish quality are improved.

The invention discloses a hydro-generator provided with high-efficient oil-cooling bearings. The hydro-generator comprises a stator, a rotor, a spindle, a fixed outer housing and the oil-cooling bearings, wherein the rotor is coaxially and fixedly connected with the spindle; the stator is coaxially and fixedly connected with the fixed outer housing; two sides of the fixed outer housing are fixed on two ends of the spindle through the oil-cooling bearings; each oil-cooling bearing comprises a bearing seat, a bush base, a forward pushing force disc, a first oil cavity, a second oil cavity, a cooler and an oil carrying housing; each bush base is fixed on the corresponding bearing seat; a support bush is arranged on the inner diameter side of each bush base; the front side of each bush base is provided with the corresponding forward pushing force bush; each second oil cavity communicates with the corresponding first oil cavity through a hot oil inlet; each cooler is arranged in the corresponding second oil cavity; each oil carrying housing forms an oil carrying cavity with the corresponding forward pushing force disc; an oil injection groove is formed in the inner diameter side of each support bush; the inner diameter side of each forward pushing force bush is provided with an oil shedding cavity; each oil carrying cavity comprises a high-pressure oil outlet and an oil pumping opening; each oil pumping opening communicates with the corresponding second oil cavity; and each high-pressure oil outlet communicates with the corresponding oil injection groove and the corresponding oil shedding cavity. The hydro-generator has high heat exchange efficiency, and bearing bushes can be effectively prevented from being burned.

The invention discloses an electric water heater descaling device which comprises a solution barrel, an electric heating tube, a warming switch, a water pump, a water pump switch, an output tube, a return tube, an output control valve, an output exhaust valve, a backflow control valve, a backflow exhaust valve and a water heater water tank, wherein a water outlet and a water inlet are formed in the side faces of the solution barrel and are connected with the water pump and the return tube respectively; the electric heating tube is mounted at the bottom of the solution barrel; the heating switch is used for controlling the electric heating tube; the water pump switch is used for controlling the water pump; a cold water hole of the water heater water tank is connected with the water pump through the output tube; a drain outlet of the water heater water tank is connected with the solution barrel through the return tube; the output control valve and the output exhaust valve are mounted on the output tube; and the backflow control valve and the backflow exhaust valve are mounted on the return tube. The electric water heater descaling device is simple in structure, convenient to use, safe and reliable and high in descaling efficiency, and saves electricity consumption.

The invention relates to a device and method for preparing methane, particularly relates to a device and method for using high concentration CO contained in chemical tail gas for preparing methane, and belongs to the chemical technical field. The device includes a first section methanation reaction device, a second section methanation reaction device and a third section methanation reaction device, inlet feed gas and inlet water vapor pass through the first section methanation reaction device, the second section methanation reaction device and the third section methanation reaction device in turn to obtain a product gas, and the process uses a three section methanation reactor. The transformation hydrogen filling and methanation can be performed in the same section catalyst layer by direct methanation, at the same time, CO2 is cycled for methanation degree control of the process, system temperature rising is effectively controlled, the catalyst requirement and process difficulty are relatively small, and the device has the advantages of small water consumption, small temperature rise, high controllability, simple and easy separation and collection of by-products, and the like.

The invention provides a self-responsive self-power-generation water-storage type spray device. The device includes a supporting rod and a spray head; the spray head adopts an atomizing nozzle which is controlled by a solenoid valve, the supporting rod is hollow, the upper end of the supporting rod is communicated with a hollow cantilever, the spray head is located at the end of the cantilever, the bottom of the supporting rod is communicated with a water storage box, the water storage tank is internally provided with a water pump, the water pump is communicated with the spray head through flexible water pipes arranged in the supporting rod and the cantilever, the top of the supporting rod is provided with a solar photovoltaic panel and / or a wind power generation device, the rod body of the supporting rod is provided with a dust sensor, and the solar photovoltaic panel and / or the wind power generation device, the solenoid valve and the dust sensor are connected with a storage battery and a control unit through cables arranged in the supporting rod. The device can supply power to itself through the power generation device and is provided with the water storage device, the stability is high, the device can move and be used immediately, at the same time, the dust sensor is used for performing spraying work at the right time, and water and electricity are saved.

The invention relates to a combined heating device of a water source heat pump unit, which comprises an upstream heat pump and a downstream heat pump, wherein the upstream heat pump comprises the shell body of the upstream heat pump, an upstream evaporator, an upstream condenser, an upstream expansion valve and an upstream compressor; the downstream heat pump comprises the shell body of the downstream heat pump, a downstream evaporator, a downstream condenser, a downstream expansion valve and a downstream compressor; the condensing outlet of the upstream condenser of the upstream heat pump is connected with the evaporating inlet of the downstream evaporator through a pipeline; the condensing inlet of the upstream condenser is connected with the evaporating outlet of the downstream condenser through the pipeline; a circulating pump is arranged on the pipeline between the upstream condenser and the downstream evaporator; the upstream condenser, the downstream evaporator, the pipeline between the upstream condenser and the downstream evaporator and the circulating pump form a circulating loop; and a temperature and flow balancing device is arranged between the upstream condenser and the downstream evaporator. The combined heating device can promote the user water supply with the higher temperature by utilizing the water of the water source with the lower temperature during the course of heating.

The invention discloses a saving type water heater pipeline. The saving type water heater pipeline comprises a water conveying pipe, a water outlet and a water inlet are formed in the two ends of thewater conveying pipe in a penetrating manner correspondingly, wherein a one-way valve is arranged in the water inlet; a plurality of deformation blocks are fixed to the inner wall of the upper side ofthe water conveying pipe; a compression plate is jointly fixed to the lower ends of the multiple deformation blocks; connecting belts are fixed to the two side walls of the compression plate; and a supporting plate is jointly fixed to the bottoms of the two connecting belts. The saving type water heater pipeline has the beneficial effects that a rotating strip is used for sensing heat to rotate,rotation of a cover plate is achieved, opening and closing of a water falling groove are finished, the water falling groove is closed when hot water is normally supplied, and hot water losses are avoided; and after the hot water stops being supplied for a period of time, the residual hot water is cooled, the water falling groove is opened, the residual cold water enters a water storage bag througha water discharging pipe to be stored, the residual cold water in the water storage bag can be discharged when cold water needs to be used, the residual cold water is effectively utilized, and the purpose of saving water resources is achieved.