165results about How to "Simple piping" patented technology

The invention discloses a fusible removing icing device, which is based on the former refrigerating circuit, heat de-ice circuit and the ice groove. Wherein, the ice groove also contains water; the evaporator of said refrigerating circuit is mounted inside the ice groove and dipped into the water; the interfaces of each side surface of evaporator have the heat conductors connected to the ice. With said invention, the circuit is simple, with lower electricity consumption, high icing speed, uniform ice thickness and non noise. In addition, the position of evaporator is lower to apply mounting; the evaporator has heat conductors as electric heating element or coolant high-pressure solution flowing in the hot liquid channel, air, hot water, steam, or antifreeze solution whose heat can make the temperature at the interfaces higher than icing temperature, to avoid connection of ices.

The invention discloses a hydraulic operating mechanism of a high voltage circuit breaker, which comprises an oil tank, a working cylinder, an accumulator, an oil immersion type motor, a pump, a tertiary control valve, an oil heat installed on the oil tank, a temperature sensor, a fluid level controller, an air filter, and the like, wherein, all the parts are arranged inside the oil tank, except for the accumulator; the upper end of the working cylinder is connected to a bracket of a mechanism case through a flange; a piston rod is connected with a link mechanism of the circuit breaker; the lower end of the working cylinder is fixed with a multi-way body of a main valve; a leading secondary valve body and a leading primary valve body are arranged on the side surface of the working cylinder; the oil immersion type motor and the pump are fixed to the bottom surface of the multi-way body of the main valve; and the accumulator is communicated with the working surface through an oil pipe. The hydraulic operating mechanism has a simple structure and high efficiency and greatly simplifies the pipeline of a hydraulic system; a temperature heating and control element regulates the temperature of the oil and keeps the stability of the performance of the hydraulic operating mechanism; the mechanism has the advantages of high reliability of switching on/off operation and no leakage or pollution.

The invention discloses an apparatus for feeding a liquid detergent, which comprises an electromagnetic water feeding valve, a liquid detergent tank, an electromagnetic metering valve, a water box, related pipelines and a sealing component. The electromagnetic water feeding valve is provided with a water inlet, a water outlet A and a water outlet B; the lower part of the liquid detergent tank is provided with a detergent outlet; the valve body of the electromagnetic metering valve is a valve body having a metering chamber and consisting of a valve body A and a valve body B, wherein the valve body is provided with a flow inlet A, a flow inlet B, a flow outlet and a discharge port, the discharge port is communicated with the metering chamber, a one-way valve is arranged in the flow inlet B,a sealing ball is arranged in the metering chamber, a moveable iron core is arranged in a conduit, the front part of the moveable iron core is connected with a piston cap, the rear part of the conduitis provided with a fixed iron core and a spring, and an electromagnetic coil is sleeved outside the conduit; and the water box is provided with a water inlet A, a water inlet B, a water inlet C, a water inlet D, a water inlet chamber and a water outlet chamber. The apparatus for feeding the liquid detergent is suitable for electric washing machines, such as electric washing machines and electricdishwashing driers.

To simplify piping from a compressed air feed source to a main nozzle. The air feeder comprises a first opening and closing valve connected to the compressed air feed source, one or more first compressed air conditioners connected to the first opening and closing valve and setting the amount of flow or the pressure to a prescribed first set value, one or more second compressed air conditioners connected to the compressed air feed source and setting the amount of flow or the pressure to a second set value and having the number equivalent to or larger than the number of the first compressed air conditioners and one or more opening and closing second valves connected to each of the first and second compressed air conditioners and having the same number as the number of the first compressed air conditioners. Each second opening and closing valve is connected to a main nozzle and opening of the first opening and closing valve is carried out in a prescribed first period in weft insertion and opening of each second opening and closing valve is carried out in the first period and a second period different from the first one.

The invention discloses a precast concrete component curing forming device which comprises a curing kiln, a steam pipe, a drain pipe and a radiator, wherein the steam pipe, the drain pipe and the radiator are mounted in the curing kiln; the steam pipe is connected with the inlet of the radiator; the drain pipe is connected with the outlet of the radiator; a humidifying pipe is mounted in the curing kiln and connected with the steam pipe; and a steam hole is formed in the humidifying pipe. According to the precast concrete component curing forming device, the heat exchange rate is increased, the temperature of the curing kiln rises quickly, the temperature and humidity in the curing are even, and the quality of a precast concrete component is improved.

The invention provides a low-temperature storage system, which does not cause a temperature rise of a container in extraction action, prevents deterioration of a sample in the container and moisture condensation on the container, does not require a special machine, and can work at high speed, and costs required by manufacture and use are reduced and the system is easy to use. Specifically, a low-temperature storage system (100) has a container housing unit (110) which formed in a manner of being movable in a space at an upper side of a lower-temperature storage chamber (101) where a plurality of containers (C) housing samples are stored, and the container housing unit (110) has a low-temperature housing groove (120), an upper opening, and housing containers (C), and a coolant tube (121) which cools the inside of the low-temperature housing groove (120).

The invention discloses an air source three-purpose heat pump water heater which comprises an outdoor heat exchanger, a filter, a throttle device, an indoor heat exchanger, a heat exchanger for heating water, a compressor, a gas liquid separator and a center controller, a No. 1 four-way reversing valve, a No. 2 four-way reversing valve and two check valves which are communicated through pipelines. The whole equipment can run under five condition modes by controlling the two four-way reversing valves and the two check valves. Compared with the prior art, the invention has the advantages: firstly, under all the running modes, when the equipment runs, all the three heat exchangers can participate, thereby the problem of uncontrollable accumulation of refrigerant or lubricating oil in the prior air source three-use heat pump water heater, a system pipeline is simple, the amount of control valve is small, the complexity of the system is lowered, the equipment cost is lowered, and the fault points are reduced; and secondly, the whole equipment is in a controllable state under various running modes when running to ensure that the system runs stably.

The invention relates to a three-use heat pump water heater and a control method thereof. The heat pump water heater comprises a compressor, a hot water tank, a heat exchanger for heating water, a four-way valve, a heat exchanger for absorbing and discharging heat from and to the outside environment, a filtering device, a throttle device, a heat exchanger for refrigerating and warming, and a gas-liquid separating device which are communicated with each other by pipelines. The compressor and other components and devices receive a command from a central controller and act according to the command, the pipelines are sequentially communicated with the compressor, the heat exchanger for heating water, the D port of the four-way valve, the C port of the four-way valve, the heat exchanger for absorbing and discharging heat from and to the outside environment, the filtering device, the throttle device, the heat exchanger for refrigerating and warming, the E port of the four-way valve, the S port of the four-way valve and the gas-liquid separating device and then communicated with the compressor again. The control method is as below: when the heat pump water heater operates, refrigerant passes through the three heat exchangers, the start and the stop of the operation are determined by the operation mode and the achievement of a state goal, and the switch between the operation mode and the operation state is automatically realized by the cooperation of the four-way valve with other components.

A liquid ejecting head unit including a plurality of liquid ejecting heads is disclosed. A platform on which the plurality of the liquid ejecting heads are mounted in a staggered arrangement in the first direction, each liquid ejecting head being partially adjacent to each in a second direction, which is orthogonal to first direction. A common trunk passage communicates with the liquid passage ports. A plurality of branch passages communicates with the trunk passage. A plurality of branch circuit wiring sections connects to connectors of the liquid ejecting heads. The plurality of liquid ejecting heads are mounted such that liquid passage ports of each partially adjacent liquid ejecting head are not adjacent to each other in a second direction, and such that the connectors of each partially adjacent liquid ejecting head are not adjacent to each other in the second direction.

The invention provides an emergency air brake relay valve integrated with an ABS dual-chamber relay valve, which can be used in an air braking system of a trailer or a semi-trailer. The emergency relay valve integrated with the ABS dual-chamber relay valve comprises a mini-emergency relay valve, two sets of ABS electromagnetic valves each of which is provided with two electromagnetic valves and a dual-chamber relay valve which can control the increase, maintenance and decrease of the output pressure by virtue of the electromagnetic valves, wherein, air inlets (1-2) of the mini-emergency relay valve are connected and fixed with one of air inlets (1-3) of the dual-chamber relay valve; an output port (2) of the mini-emergency relay valve is connected with a control port (5) of the dual-chamber relay valve as a whole. The emergency air brake relay valve integrated with the ABS dual-chamber relay valve has the functions of safe braking, service braking, ABS braking and emergency braking, thus improving the safety performance in vehicle driving.

The invention relates to a distributed type bilateral liquid-cooling system and a flow control method for a power battery system. The power battery system comprises first to n battery module groups which are arranged in parallel in sequence; the liquid-cooling system a cooling liquid input pipe, a cooling liquid output pipe and first to n liquid-cooling channels which are arranged therebetween, and are arranged corresponding to the battery module groups; the cooling liquid input pipe, the liquid-cooling channels and the cooling liquid output pipe are liquid-cooling loops; and the liquid-cooling channels are in connection with the cooling liquid input pipe and the cooling liquid output pipe in space respectively. According to the flow control method, the cooling liquid flow ratio required by the liquid-cooling loops is worked out according to the heating power of the battery module groups; and the liquid-cooling loops are subjected to flow control design and verification. The pipeline distribution of the liquid-cooling system is simplified, thereby reducing the space and the cost, and solving the problem of uneven heat dissipation caused by uneven heating of the battery module groups; meanwhile, the cooling efficiency is high; the heat dissipation requirement under a high-multiplying power working condition is satisfied; the requirement of the power battery system on temperature difference is satisfied; and the service life of the power battery system is integrally prolonged.

The invention belongs to the technical field of heat pumps, and provides an air source heat pump unit. The air source heat pump unit is provided with a gas engine, a transmission device, a compressor, a first throttling valve, a second throttling valve, a first heat exchanger, a second heat exchanger and a smoke heat exchanger, wherein a first switching valve is arranged between the second heat exchanger and an air suction port; a second switching valve is arranged between the second heat exchanger and an exhaust port; a third switching valve is arranged between the second heat exchanger and the smoke heat exchanger; when the first switching valve is opened, the second switching valve and the third switching valve are closed, and the unit is in a heating mode; when the first switching valve is closed, the second switching valve and the third switching valve are opened, and the unit is in a defrosting mode; and the modes are controlled to be switched through the first switching valve and the second switching valve, internal leakage of refrigerants is avoided, equipment pipelines are simpler, the gas resistance of the refrigerants is reduced, and the work efficiency of the unit is improved. The air source heat pump unit is simple in equipment pipeline and stable in heat supply, defrosting can be conducted while heat supply is conducted, energy consumption is reduced, and the service life of equipment is prolonged.

The present invention provides new technological process of producing urea in a completely circulating high pressure solution system. On the basis of available high pressure system, three pieces of high pressure apparatus including one urea synthesizing tower, one synthesizing tower separator and one gas stripping column are increased, the original urea synthesizing tower is altered into the second one, the first urea synthesizing tower is for feeding CO2 and ammonia only and the second urea synthesizing tower is for pressure lowering operation. The system of the present invention has one 30-100 % raised production capacity and greatly lowered power consumption.

The invention discloses a thermostatic faucet of an electric water heater. The thermostatic faucet comprises a faucet body, a thermostatic valve core for controlling temperature, a quick-open valve core for controlling flow and a three-way safety valve, wherein the safety valve is provided with a shunting end, a water inlet end communicated with a cold water pipe and a water outlet end communicated with the water inlet end of the electric water heater; the faucet body is in a three-way structure with a water passing cavity; the water passing cavity is provided with a mixed water outlet end, afirst water inlet end and a second water inlet end communicated with the water outlet end of the electric water heater; the shunting end of the safety valve is communicated with the first water inletend of the faucet body; the thermostatic valve core is installed at the second water inlet end of the faucet body; and the quick-open valve core is installed at the mixed water outlet end of the faucet body. The safety valve in the thermostatic faucet of the electric water heater has the practical functions of on-way current limiting, safe pressure release, three-way shunting, movably connection and the like, and has the advantages of few water outlet and leakage points, simple structure, simple pipeline and simple appearance connecting mode. Users do not need to buy an expensive thermostaticfaucet but buy the electric water heater with the thermostatic function to enjoy safe and comfortable thermostatic space.

The invention relates to a low-temperature intelligent triple heat supply pump unit. The low-temperature intelligent triple heat supply pump unit comprises a compressor, heat exchangers, a gas separation device and various valve bodies. The heat exchangers include an outdoor heat exchanger, an economizer heat exchanger, an air conditioner heat exchanger and a hot water heat exchanger. The output end of the compressor is connected with an electromagnetic valve a and an electromagnetic valve b in parallel. The electromagnetic valve a is connected with an inlet D of a four-way electromagnetic valve. The output end of a connector C of the four-way electromagnetic valve is sequentially connected with the outdoor heat exchanger, an electronic expansion valve c and a liquid storage device. The output end of a connector S of the four-way electromagnetic valve is connected with the first input end of the compressor through the gas separation device. The output end of a connector E of the four-way electromagnetic valve is connected with the air conditioner heat exchanger through an electromagnetic valve c. The electromagnetic valve b is connected with the hot water heat exchanger. The output end of the hot water heat exchanger is connected with the economizer heat exchanger and the air conditioner heat exchanger through a check valve a. The low-temperature intelligent triple heat supply pump unit has the advantages that the unit is provided with a few elements, is multifunctional and guarantees the heating effect in a low-temperature environment, and a pipeline is simple.

The invention provides a vehicle-mounted air conditioning system integrated with a battery cooling function, which comprises a compressor, a condenser, an evaporator, a throttle valve and a vapor-liquid separator which are connected through a refrigeration pipeline, fans are arranged at the evaporator and the condenser, and the trend of a refrigerant from the compressor is controlled by a four-way valve. A double-pipe heat exchanger for cooling a battery pack is sleeved on a refrigerating pipeline between an outlet of the four-way valve and an inlet of the vapor-liquid separator, a normally-closed electromagnetic valve is arranged between an outlet of the compressor and an outlet of the four-way valve, and a controller of the air conditioning system controls the opening state of the normally-closed electromagnetic valve according to the heat dissipation requirement of the battery pack. According to the air conditioning system provided by the invention, one air conditioner integrates the compartment air temperature adjusting function and the battery cooling liquid temperature control function, and the battery cooling liquid temperature control function can be operated in the air conditioner refrigerating and heating modes; particularly, a one-way valve and an additional throttling device do not need to be additionally arranged in a pipeline system, and the system pipeline is simple, compact and high in reliability.

The invention provides a firefighting water supply system for a high building, the firefighting water supply system comprises a top layer water tank, a plurality of middle water tanks and a bottom layer water tank which are arranged in the height direction of the building in order from top to bottom, the top layer water tank and the plurality of middle water tanks are connected in order from top to bottom through water supplementing pipelines, a fire fighting water supply pipeline system is connected to the top layer water tank and each middle water tank respectively, a water supply dry pipe is arranged between the bottom layer water tank and the top layer water tank, and a high-pressure pump is arranged between the water supply dry pipe and the bottom layer water tank. According to the firefighting water supply system for the high building, a pump set can be centralized on the base layer of an ultra-high building, a lot of high space of the ultra-high building is saved, and vibrationand noise pollution cannot be caused to the middle floors; at the same time, 'one pump to top' type water supplying is adopted, only one water supply dry pipe is required to be equipped for the system, relay is not needed, and the water supply system is simple and efficient.

The invention discloses an efficient automatic de-icing system. The system comprises an ice making mechanism, a low-temperature secondary refrigerant mechanism, a high-temperature secondary refrigerant mechanism and an ice-making and de-icing mechanism, wherein the ice making mechanism can provide cooling capacity and heat for the low-temperature secondary refrigerant mechanism and the high-temperature secondary refrigerant mechanism so as to carry out ice making or de-icing, the low-temperature secondary refrigerant mechanism and the high-temperature secondary refrigerant mechanism are used for supplying cooling capacity and heat generated by heat exchange to the ice-making and de-icing mechanism for ice making or de-icing through a secondary refrigerant, and the ice making mechanism comprises a compressor, a shock absorbing pipe, an oil extractor, a condenser, a refrigerant flowing-into liquid storage tank, a drying filter, a liquid tube electromagnetic valve, an expansion valve andan air return filter, wherein the drying filter, the liquid tube electromagnetic valve and the expansion valve communicate with the refrigerant flowing-into liquid storage tank in sequence, and the air return filter is connected with the compressor. The efficient automatic de-icing system has the beneficial effects that a sealing strip is long in service life and good in sealing, the thickness ofmade ice is uniform, system operation is stable, no liquid impact and no oil throwing exist in de-icing and secondary ice making, energy consumption is reduced, assembling is convenient, and the costis saved.

The invention discloses a condenser with a built-in oil separation system. The oil separation system is arranged in the condenser and has the advantages of being high in oil separation efficiency, simple in structure, simple in pipeline and the like. The oil separating system first carries out primary separation through a knocking oil separation shell, then carries out secondary separation through a flow equalization board, and finally caries out tertiary separation through a filter screen. The oil separation efficiency is improved through the arrangement, coolants can evenly enter the condenser and make contact with a condenser pipe more evenly through design of an outlet of the oil separation system, and the heat exchanging efficiency of the condenser is improved. The invention further discloses a heat exchanging device with the condenser with the built-in oil separation system.

The invention provides an integrated antilock brake system (ABS) regulator, and also relates to a vehicle air brake system adopting the regulator and a vehicle with the vehicle air brake system. The integrated ABS regulator can improve the arrangement and mounting of an antilock brake system and simultaneously prolong the service life of each valve element in the vehicle brake system, integrates independent intermediate relay valves and a dual-ABS regulator in the vehicle air brake system in an integration way and performs conventional air braking or electronically controlled braking on the vehicle by cooperative control with corresponding spring brake air chambers on two sides, thereby greatly improving the safety and stability of the vehicle.

The invention provides an inkjet head cleaning device that can not cause the complication of pipelines or lead gas to remain in a liquid conveying pipeline when supplying liquid material to the inkjethead, and aims at leading the hydraulic pressure of the liquid material supplied to each inkjet head to be uniform. Independent liquid conveying pipelines (3) used for supplying liquid material and respectively communicated with a plurality of inkjet heads (4) are connected with a public liquid conveying pipeline (2) that is communicated with an ink tank (1) storing the liquid material, independent gas diffuser pipelines (19), in which gas can flow, are connected with a bypass pipeline (18a) (public gas diffuser pipeline 18) that can be opened or closed to the atmosphere, and the independentgas diffuser pipelines (19) and the public liquid conveying pipeline (2) are respectively communicated with the joint parts of the independent liquid conveying pipelines (3) or the inkjet heads (4) orcommunicated with each other.