CN113932477A - Wide-temperature heat pump combined energy utilization system - Google Patents
Wide-temperature heat pump combined energy utilization system Download PDFInfo
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- CN113932477A CN113932477A CN202111267507.XA CN202111267507A CN113932477A CN 113932477 A CN113932477 A CN 113932477A CN 202111267507 A CN202111267507 A CN 202111267507A CN 113932477 A CN113932477 A CN 113932477A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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Abstract
The invention relates to a wide-temperature heat pump combined energy utilization system, which solves the problems in the prior art and has the technical scheme that the system comprises a heat exchange tower set, a solution recovery tank, a stock solution storage tank, a water collector, a water separator, a hot water tank set, a three-output wide-temperature heat pump set and a double-output wide-temperature heat pump set. The invention can accelerate the temperature regulation speed by enhancing the mode of supplying water, and can more quickly keep the proper water temperature.
Description
Technical Field
The invention belongs to an energy utilization system of a heat pump, and particularly relates to a combined energy utilization system of a wide-temperature heat pump.
Background
The first multifunctional heat pump in the industry was designed, manufactured and promoted by clenment corporation of italy in 1982, the product generally has the advantages of simultaneously utilizing the cold end and the hot end of the refrigeration cycle, high efficiency and energy saving, greatly simplifying the air conditioning system, having small occupied area, effectively reducing or even eliminating boilers and the like, along with the further development of the multifunctional heat pump, the two-pipe heat pump and the four-pipe heat pump are widely used in the industry, further, the application of the six-pipe heat pump in the form of adopting a four-pipe cold-hot water unit, a two-pipe high-temperature hot water module and the like is similar, but the application of the six-pipe heat pump has a plurality of weaknesses, particularly the application of the corresponding complex system, the energy efficiency level is reduced due to the lack of reasonable arrangement, the inherent advantages of the six-pipe heat pump can not be exerted to the maximum, therefore, in the market, the energy utilization system mainly comprising the two-pipe heat pump and the four-pipe heat pump is still adopted, it is imperative to develop a combined energy utilization system of six-pipe heat pump and its control method, which can reasonably utilize the inherent characteristics of the six-pipe heat pump and improve the energy utilization efficiency.
The department has had the utility model application of wide temperature heat pump before and has obtained the mandate, and its technical scheme includes: a combined energy utilization system of six-pipe heat pumps comprises n heat exchange towers, n six-pipe heat pumps, an air-conditioning heat supply system, an air-conditioning cold supply system and a plurality of water tanks, wherein all the heat exchange towers are mutually connected, each water tank is correspondingly provided with a six-pipe heat pump, each six-pipe heat pump comprises a wide-temperature heat pump compressor, and an evaporation refrigeration loop pipe, a condensation total heat recovery loop pipe and a condensation heat supply loop pipe which are mutually connected, the evaporation refrigeration loop pipe, the condensation total heat recovery loop pipe and the condensation heat supply loop pipe which are connected with each other are driven by a wide-temperature heat pump compressor, the evaporation refrigeration loop pipe in each six-pipe heat pump is communicated with a heat exchange tower through a heat exchange tower pipeline with an evaporation water pump, the evaporation refrigeration loop pipe is also communicated with an air conditioner cold supply system through a cold supply compression pipeline with a cold supply water pump, and an evaporation refrigeration heat exchange plate is arranged between the heat exchange tower pipeline and the cold supply compression pipeline; a condensation total heat recovery loop pipe in the six-pipe heat pump corresponding to the water tank is connected with the water tank through a total heat recovery pipeline provided with a total heat recovery water pump, a condensation total heat recovery loop pipe in the six-pipe heat pump not corresponding to the water tank is communicated with an air conditioner heating system through a heating pipeline provided with a heating water pump, and a total heat recovery heat exchange plate is arranged between the total heat recovery pipeline and the heating pipeline; the condensation heat supply loop pipe in each six-pipe heat pump is communicated with the heat exchange tower through a condensation heat supply pipeline provided with a condensation water pump; controllable valves are arranged on the heat exchange tower pipeline, the cold supply compression pipeline, the total heat recovery pipeline, the heating pipeline and the condensation heating pipeline.
However, the technical content of the present company has a point that it can be improved, and further improvement can be made, which can further improve the efficiency.
Disclosure of Invention
Aiming at the problem that the prior art can further improve the efficiency, the invention provides a wide-temperature heat pump combined energy utilization system.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a wide-temperature heat pump combined energy utilization system comprises a heat exchange tower set, a solution recovery tank, a stock solution storage tank, a water collector, a water separator, a hot water tank set, a three-output wide-temperature heat pump set and a double-output wide-temperature heat pump set, wherein a water replenishing pipeline of an air conditioning system is connected with the water collector, the water collector is connected with an existing water supply pipeline network, the output end of the water collector is connected with the input ends of the three-output wide-temperature heat pump set and the double-output wide-temperature heat pump set, the input end of the water collector is also connected with the water separator, the water separator is also connected with the existing water supply pipeline network, the input end of the water separator is connected with the first group output end and the second group output end of the three-output wide-temperature heat pump set and the first group output end and the second group output end of the double-output wide-temperature heat pump set, the water replenishing pipeline of the heat exchange tower is connected with the heat exchange tower set, the input ends of the solution recovery tank and the stock solution storage tank are connected with the output end of the heat exchange tower set, the output ends of the solution recovery tank and the stock solution storage tank are connected with the input end of the heat exchange tower group, the solution recovery tank is also connected with the three-output wide-temperature heat pump group and the second group of input ends of the two-output wide-temperature heat pump group, the input end of the heat exchange tower group is also connected with the first group of output ends and the second group of output ends of the three-output wide-temperature heat pump group, the first group of input ends of the three-output wide-temperature heat pump group are connected with the output end of the hot water tank group, the first group of input ends of the two-output wide-temperature heat pump group are connected with the output end of the hot water tank group, the second group of input ends of the three-output wide-temperature heat pump group are connected with the water collector, the second group of input ends of the two-output wide-temperature heat pump group are also connected with the water collector, and the first group of input ends and the second group of the three-output wide-temperature heat pump group are connected with each other through a cross pipeline, also form interconnect through the cross pipeline between the first set of input of the wide temperature heat pump group of dual output formula and the second group input, the cross pipeline is configured with controlled solenoid valve on, and the third group output of the wide temperature heat pump group of three output formulas is connected with the input of hot water tank group, and the third group input of the wide temperature heat pump group of three output formulas is connected with the output of hot water tank group, the input of hot water tank group still is connected with life hot water moisturizing pipeline, hot water tank group still is connected with life hot water circulation pipeline and life hot water network. The double-output wide-temperature heat pump set or the three-output wide-temperature heat pump set is adjusted on the basis of the six-tube heat pump, and the corresponding effect can be achieved by adjusting the input and output ports of the six-tube heat pump set.
Preferably, the three-output wide-temperature heat pump set comprises a 1# heat pump and a 2# heat pump, the two-output wide-temperature heat pump set comprises a 3# heat pump and a 4# heat pump, first input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are respectively connected with an output end of the heat exchange tower set through corresponding heat exchange water pumps, second input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are respectively connected with an output end of the water collector through corresponding refrigerant water pumps, and third input ends of the 1# heat pump and the 2# heat pump are respectively connected with an output end of the hot water tank set through corresponding total heat recovery water pumps. The invention adopts the refrigerant water pump and the heat exchange water pump to enhance the controllability of water supply, flow speed and flow, has stronger control degree on the whole system and has quicker response to temperature regulation and control.
Preferably, the second input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are connected with the solution recovery tank through a solution pump, and the solution recovery tank and the stock solution storage tank are connected with the input end of the heat exchange tower group through a supply pump.
Preferably, the hot water tank group comprises a 1# hot water tank and a 2# hot water tank, the 1# hot water tank and the 2# hot water tank are respectively provided with a domestic hot water circulation end, a domestic hot water end, an input end and an output end, the 1# hot water tank and the 2# hot water tank are connected with a domestic hot water circulation pipeline through the domestic hot water circulation end, the 1# hot water tank and the 2# hot water tank are connected with a domestic hot water network through the domestic hot water end, the 1# hot water tank and the 2# hot water tank are connected with a domestic hot water supply pipeline through a group of independent input ends, the 1# hot water tank and the 2# hot water tank are connected with a third group of output ends of the three-output wide-temperature heat pump group through another group of independent input ends, the 1# hot water tank and the 2# hot water tank are communicated with each other to form mutual redundancy. In the invention, mutual backup is mostly adopted for configuration, thereby ensuring the stability of the system.
Preferably, the pipelines connecting the solution recovery tank and the stock solution storage tank are respectively provided with an electromagnetic valve, the first group of output ends and the second group of output ends of the three-output type wide-temperature heat pump group are respectively provided with an interlocking electromagnetic valve, and the first group of output ends and the second group of output ends of the two-output type wide-temperature heat pump group are also provided with an interlocking electromagnetic valve.
Preferably, the cross pipeline comprises a first tee joint and a second tee joint, the heat pump system comprises a third tee joint and a fourth tee joint, wherein the input end of the first tee joint is connected with a heat exchange water pump, the output end of the first tee joint is connected with the input end of the second tee joint, the output end of the second tee joint is connected with one input end of a heat pump, the input end of the third tee joint is connected with a refrigerant water pump, the output end of the third tee joint is connected with the input end of the fourth tee joint, the output end of the fourth tee joint is connected with the other input end of the heat pump, the lateral connecting end of the first tee joint is connected with the lateral connecting end of the fourth tee joint, the lateral connecting end of the second tee joint is connected with the lateral connecting end of the third tee joint, an electromagnetic valve is configured between the first tee joint and the second tee joint, an electromagnetic valve is configured between the third tee joint and the fourth tee joint, an electromagnetic valve is configured between the first tee joint and the fourth tee joint, and an electromagnetic valve is also configured between the second tee joint and the third tee joint.
Preferably, the heat exchange tower set comprises a plurality of heat exchange towers, and an electromagnetic valve is arranged at the input end of each heat exchange tower.
Preferably, all the electromagnetic valves are provided with flow meters and thermometers in a matching mode, and all the electromagnetic valves, the flow meters and the thermometers are connected with the field control device.
Preferably, the output ends of the third group of the 1# heat pump and the 2# heat pump are connected with the water supply pipeline and then connected with the hot water tank group, the water supply pipeline comprises a buffer water storage tank, an input tee joint, an output tee joint, a buffer pump, an input pipeline and an output pipeline, the input end of the input pipeline is connected with the 1# heat pump and the 2# heat pump, the output end of the input pipeline is connected with the input end of the input tee joint, the lateral connecting end of the input tee joint is connected with the buffer water storage tank through an input electromagnetic valve, the output end of the input tee joint is connected with the input end of the output tee joint through an output electromagnetic valve, the output end of the output tee joint is connected with the input end of the output pipeline, the output end of the output pipeline is connected with the hot water tank group, the buffer water storage tank is connected with the lateral connecting end of the output tee joint through the buffer pump, when the output electromagnetic valve receives a closing command, the opening degree of the input electromagnetic valve is gradually increased from 0, the opening degree of the output electromagnetic valve is gradually reduced from 100%, the opening degrees of the input electromagnetic valve and the output electromagnetic valve are kept at 100% until the opening degree of the output electromagnetic valve is 0, then the opening degree of the input electromagnetic valve is gradually reduced until the opening degree of the input electromagnetic valve is 0, and in the process of gradually reducing the opening degree of the input electromagnetic valve, the buffer pump is started to empty accumulated water in the buffer water storage tank. The invention adopts the arrangement of the refrigerant water pump and the heat exchange water pump, so the invention can be suitable for sites with larger area, the length of the pipeline is longer, the flow rate is faster, but the water hammer effect can not be ignored, on the basis, the invention adds the buffer water storage tank for the water delivery pipeline, and the impact of the water hammer effect can be reduced as much as possible.
Preferably, the output ends of the third group of the 1# heat pump and the 2# heat pump are connected with the water supply pipeline and then connected with the hot water tank group, the water supply pipeline comprises a buffer water storage tank, an input tee joint, an output tee joint, a buffer pump, an input pipeline and an output pipeline, the input end of the input pipeline is connected with the 1# heat pump and the 2# heat pump, the output end of the input pipeline is connected with the input end of the input tee joint, the lateral connecting end of the input tee joint is connected with the buffer water storage tank through an input electromagnetic valve, the output end of the input tee joint is connected with the input end of the output tee joint through an output electromagnetic valve, the output end of the output tee joint is connected with the input end of the output pipeline, the output end of the output pipeline is connected with the hot water tank group, the buffer water storage tank is connected with the lateral connecting end of the output tee joint, when the output electromagnetic valve receives a closing instruction, firstly, the opening degree of the input electromagnetic valve is gradually increased from 0, the opening degree of the output electromagnetic valve is gradually reduced from 100%, the opening degrees of the input electromagnetic valve and the output electromagnetic valve are kept at 100% until the opening degree of the output electromagnetic valve is 0, then the opening degree of the input electromagnetic valve is gradually reduced until the opening degree of the input electromagnetic valve is 0, the buffering water storage tank comprises a hard body shell and an elastic inner container, detachable filters are arranged at the input end and the output end of the flexible inner container, a trigger switch is arranged in the middle of the top end of the inner side of the hard body shell, and when the trigger switch is triggered, the input electromagnetic valve is directly closed. The invention adopts the elastic inner container buffering mode to reduce the water hammer effect, does not need additional energy, forms a new trigger mechanism by utilizing the flexibility of the elastic inner container, can also protect the safety of the elastic inner container and has reasonable structure.
The substantial effects of the invention are as follows: the invention can increase the speed of temperature regulation and maintain the proper water temperature more quickly by enhancing the mode of supplying water.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic diagram showing the water flow direction of the wide-temperature heat pump unit in example 1;
FIG. 3 is a schematic view showing the water flow direction of the heat exchange tower set in example 1;
FIG. 4 is a schematic view showing the direction of water flow in the solution recovering tank in example 1;
FIG. 5 is a schematic view of a buffer tank section in embodiment 2;
FIG. 6 is a schematic view of a buffer tank section in embodiment 3;
in the figure: 1. the device comprises an output electromagnetic valve, 2 an input electromagnetic valve, 3 a buffer water storage tank, 4 a buffer pump, 5 a trigger switch, 6 and an elastic inner container.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
Example 1:
a wide-temperature heat pump combined energy system (see attached figures 1 to 5) comprises a heat exchange tower set, a solution recovery tank, a stock solution storage tank, a water collector, a water separator, a hot water tank set, a three-output wide-temperature heat pump set and a double-output wide-temperature heat pump set, wherein a water replenishing pipeline of an air conditioning system is connected with the water collector, the water collector is connected with an existing water supply pipeline network, the output end of the water collector is connected with the three-output wide-temperature heat pump set and the input end of the double-output wide-temperature heat pump set, the input end of the water collector is also connected with the water separator, the water separator is also connected with the existing water supply pipeline network, the input end of the water separator is connected with the first group output end and the second group output end of the three-output wide-temperature heat pump set and the first group output end and the second group output end of the double-output wide-temperature heat pump set, the water replenishing pipeline of the heat exchange tower is connected with the heat exchange tower set, the input ends of the solution recovery tank and the stock solution storage tank are connected with the output end of the heat exchange tower set, the output ends of the solution recovery tank and the stock solution storage tank are connected with the input end of the heat exchange tower group, the solution recovery tank is also connected with the three-output wide-temperature heat pump group and the second group of input ends of the two-output wide-temperature heat pump group, the input end of the heat exchange tower group is also connected with the first group of output ends and the second group of output ends of the three-output wide-temperature heat pump group, the first group of input ends of the three-output wide-temperature heat pump group are connected with the output end of the hot water tank group, the first group of input ends of the two-output wide-temperature heat pump group are connected with the output end of the hot water tank group, the second group of input ends of the three-output wide-temperature heat pump group are connected with the water collector, the second group of input ends of the two-output wide-temperature heat pump group are also connected with the water collector, and the first group of input ends and the second group of the three-output wide-temperature heat pump group are connected with each other through a cross pipeline, also form interconnect through the cross pipeline between the first set of input of the wide temperature heat pump group of dual output formula and the second group input, the cross pipeline is configured with controlled solenoid valve on, and the third group output of the wide temperature heat pump group of three output formulas is connected with the input of hot water tank group, and the third group input of the wide temperature heat pump group of three output formulas is connected with the output of hot water tank group, the input of hot water tank group still is connected with life hot water moisturizing pipeline, hot water tank group still is connected with life hot water circulation pipeline and life hot water network. The three-output wide-temperature heat pump set comprises a 1# heat pump and a 2# heat pump, the double-output wide-temperature heat pump set comprises a 3# heat pump and a 4# heat pump, first input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are respectively connected with an output end of a heat exchange tower set through corresponding heat exchange water pumps, second input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are respectively connected with an output end of a water collector through corresponding refrigerant water pumps, and third input ends of the 1# heat pump and the 2# heat pump are respectively connected with an output end of a hot water tank set through corresponding total heat recovery water pumps. And second input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are connected with the solution recovery tank through a solution pump, and the solution recovery tank and the stock solution storage tank are connected with the input end of the heat exchange tower set through a supply pump. The hot-water tank group comprises a 1# hot-water tank and a 2# hot-water tank, the 1# hot-water tank and the 2# hot-water tank are provided with a domestic hot-water circulation end, a domestic hot-water end, an input end and an output end, the 1# hot-water tank and the 2# hot-water tank are connected with a domestic hot-water circulation pipeline through the domestic hot-water circulation end, the 1# hot-water tank and the 2# hot-water tank are connected with a domestic hot-water network through the domestic hot-water end, the 1# hot-water tank and the 2# hot-water tank are connected with a domestic hot-water supply pipeline through a set of independent input ends, the 1# hot-water tank and the 2# hot-water tank are connected with a third group of output type wide-temperature heat pump group through another set of independent input ends, the 1# hot-water tank and the 2# hot-water tank are communicated with each other to form mutual redundancy. The pipeline connecting the solution recovery tank and the stock solution storage tank is provided with electromagnetic valves, the first group of output ends and the second group of output ends of the three-output type wide-temperature heat pump set are provided with interlocked electromagnetic valves, and the first group of output ends and the second group of output ends of the two-output type wide-temperature heat pump set are also provided with interlocked electromagnetic valves. The cross pipeline comprises a first tee joint and a second tee joint, the heat pump system comprises a third tee joint and a fourth tee joint, wherein the input end of the first tee joint is connected with a heat exchange water pump, the output end of the first tee joint is connected with the input end of the second tee joint, the output end of the second tee joint is connected with one input end of a heat pump, the input end of the third tee joint is connected with a refrigerant water pump, the output end of the third tee joint is connected with the input end of the fourth tee joint, the output end of the fourth tee joint is connected with the other input end of the heat pump, the lateral connecting end of the first tee joint is connected with the lateral connecting end of the fourth tee joint, the lateral connecting end of the second tee joint is connected with the lateral connecting end of the third tee joint, an electromagnetic valve is configured between the first tee joint and the second tee joint, an electromagnetic valve is configured between the third tee joint and the fourth tee joint, an electromagnetic valve is configured between the first tee joint and the fourth tee joint, and an electromagnetic valve is also configured between the second tee joint and the third tee joint. The heat exchange tower set comprises a plurality of heat exchange towers, and the input end of each heat exchange tower is provided with an electromagnetic valve. All the electromagnetic valves are provided with flow meters and thermometers in a matching way, and all the electromagnetic valves, the flow meters and the thermometers are connected with the field control device.
Example 2:
the present embodiment is substantially the same as embodiment 1, except that in the present embodiment, the third group of output ends of the 1# heat pump and the 2# heat pump are connected to the water supply pipeline and then connected to the hot water tank group, the water supply pipeline includes a buffer water storage tank 3, an input tee joint, an output tee joint, a buffer pump 4, an input pipeline and an output pipeline, the input end of the input pipeline is connected to the 1# heat pump and the 2# heat pump, the output end of the input pipeline is connected to the input end of the input tee joint, the lateral connection end of the input tee joint is connected to the buffer water storage tank through an input electromagnetic valve 2, the output end of the input tee joint is connected to the input end of the output tee joint through an output electromagnetic valve 1, the output end of the output tee joint is connected to the input end of the output pipeline, the output end of the output pipeline is connected to the hot water tank group, the buffer water storage tank is connected to the lateral connection end of the output tee joint through the buffer pump, when the output electromagnetic valve receives a closing instruction, firstly, the opening degree of the input electromagnetic valve is gradually increased from 0, the opening degree of the output electromagnetic valve is gradually reduced from 100%, the opening degrees of the input electromagnetic valve and the output electromagnetic valve are kept at 100% until the opening degree of the output electromagnetic valve is 0, then, the opening degree of the input electromagnetic valve is gradually reduced until the opening degree of the input electromagnetic valve is 0, and in the process of gradually reducing the opening degree of the input electromagnetic valve, the buffer pump is started to empty accumulated water in the buffer water storage tank. The invention adopts the arrangement of the refrigerant water pump and the heat exchange water pump, so the invention can be suitable for sites with larger area, the length of the pipeline is longer, the flow rate is faster, but the water hammer effect can not be ignored, on the basis, the invention adds the buffer water storage tank for the water delivery pipeline, and the impact of the water hammer effect can be reduced as much as possible.
Example 3:
the present embodiment is substantially the same as embodiment 1, except that in the present embodiment, the third group of output ends of the 1# heat pump and the 2# heat pump are connected to the water supply pipeline and then connected to the hot water tank group, the water supply pipeline includes a buffer water storage tank, an input tee joint, an output tee joint, a buffer pump, an input pipeline and an output pipeline, the input end of the input pipeline is connected to the 1# heat pump and the 2# heat pump, the output end of the input pipeline is connected to the input end of the input tee joint, the lateral connection end of the input tee joint is connected to the buffer water storage tank through an input electromagnetic valve, the output end of the input tee joint is connected to the input end of the output tee joint through an output electromagnetic valve, the output end of the output tee joint is connected to the input end of the output pipeline, the output end of the output pipeline is connected to the hot water tank group, and the buffer water storage tank is connected to the lateral connection end of the output tee joint, when the output electromagnetic valve receives a closing instruction, firstly, the opening degree of the input electromagnetic valve is gradually increased from 0, the opening degree of the output electromagnetic valve is gradually reduced from 100%, the opening degrees of the input electromagnetic valve and the output electromagnetic valve are kept at 100% until the opening degree of the output electromagnetic valve is 0, then, the opening degree of the input electromagnetic valve is gradually reduced until the opening degree of the input electromagnetic valve is 0, the buffer water storage tank comprises a hard body shell and an elastic inner container 6, the input end and the output end of the flexible inner container are both provided with a detachable filter, the middle part of the top end of the inner side of the hard body shell is provided with a trigger switch 5, and when the trigger switch is triggered, the input electromagnetic valve is directly closed. The invention adopts the elastic inner container buffering mode to reduce the water hammer effect, does not need additional energy, forms a new trigger mechanism by utilizing the flexibility of the elastic inner container, can also protect the safety of the elastic inner container and has reasonable structure.
In summary, the present invention can maintain the water temperature more quickly by increasing the speed of temperature adjustment by enhancing the supply of the feed water.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. The utility model provides a wide temperature heat pump is energy system jointly which characterized in that: the system comprises a heat exchange tower set, a solution recovery tank, a stock solution storage tank, a water collector, a water separator, a hot water tank set, a three-output wide-temperature heat pump set and a double-output wide-temperature heat pump set, wherein a water replenishing pipeline of an air conditioning system is connected with the water collector, the water collector is connected with an existing water supply pipeline, the output end of the water collector is connected with the input ends of the three-output wide-temperature heat pump set and the double-output wide-temperature heat pump set, the input end of the water collector is also connected with the water separator, the water separator is also connected with the existing water supply pipeline, the input end of the water separator is connected with the first group output end and the second group output end of the three-output wide-temperature heat pump set and the first group output end and the second group output end of the double-output wide-temperature heat pump set, the water replenishing pipeline of the heat exchange tower is connected with the heat exchange tower set, the input ends of the solution recovery tank and the stock solution storage tank are connected with the output end of the heat exchange tower set, the output ends of the solution recovery tank and the stock solution storage tank are connected with the input end of the heat exchange tower set, the solution recovery tank is also connected with a three-output wide-temperature heat pump group and a second group of input ends of the two-output wide-temperature heat pump group, the input end of the heat exchange tower group is also connected with a first group of output ends and a second group of output ends of the three-output wide-temperature heat pump group, the first group of input ends of the three-output wide-temperature heat pump group is connected with the output end of the hot water tank group, the first group of input ends of the two-output wide-temperature heat pump group is connected with the output end of the hot water tank group, the second group of input ends of the three-output wide-temperature heat pump group is connected with the water collector, the second group of input ends of the two-output wide-temperature heat pump group is also connected with the water collector, the first group of input ends and the second group of the three-output wide-temperature heat pump group are mutually connected through a cross pipeline, the first group of input ends and the second group of the two-output wide-temperature heat pump group are mutually connected through a cross pipeline, the cross pipeline is provided with a controlled electromagnetic valve, the third group output end of the three-output type wide-temperature heat pump group is connected with the input end of the hot water tank group, the third group input end of the three-output type wide-temperature heat pump group is connected with the output end of the hot water tank group, the input end of the hot water tank group is further connected with a domestic hot water supplementing pipeline, and the hot water tank group is further connected with a domestic hot water circulating pipeline and a domestic hot water network.
2. The wide temperature heat pump combined energy use system according to claim 1, wherein: the three-output wide-temperature heat pump set comprises a 1# heat pump and a 2# heat pump, the double-output wide-temperature heat pump set comprises a 3# heat pump and a 4# heat pump, first input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are respectively connected with an output end of a heat exchange tower set through corresponding heat exchange water pumps, second input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are respectively connected with an output end of a water collector through corresponding refrigerant water pumps, and third input ends of the 1# heat pump and the 2# heat pump are respectively connected with an output end of a hot water tank set through corresponding total heat recovery water pumps.
3. The wide temperature heat pump combined energy use system according to claim 2, wherein: and second input ends of the 1# heat pump, the 2# heat pump, the 3# heat pump and the 4# heat pump are connected with the solution recovery tank through a solution pump, and the solution recovery tank and the stock solution storage tank are connected with the input end of the heat exchange tower set through a supply pump.
4. The wide temperature heat pump combined energy use system of claim 3, wherein: the hot-water tank group comprises a 1# hot-water tank and a 2# hot-water tank, the 1# hot-water tank and the 2# hot-water tank are provided with a domestic hot-water circulation end, a domestic hot-water end, an input end and an output end, the 1# hot-water tank and the 2# hot-water tank are connected with a domestic hot-water circulation pipeline through the domestic hot-water circulation end, the 1# hot-water tank and the 2# hot-water tank are connected with a domestic hot-water network through the domestic hot-water end, the 1# hot-water tank and the 2# hot-water tank are connected with a domestic hot-water supply pipeline through a set of independent input ends, the 1# hot-water tank and the 2# hot-water tank are connected with a third group of output type wide-temperature heat pump group through another set of independent input ends, the 1# hot-water tank and the 2# hot-water tank are communicated with each other to form mutual redundancy.
5. The wide temperature heat pump combined energy use system according to claim 4, wherein: the pipeline connecting the solution recovery tank and the stock solution storage tank is provided with electromagnetic valves, the first group of output ends and the second group of output ends of the three-output type wide-temperature heat pump set are provided with interlocked electromagnetic valves, and the first group of output ends and the second group of output ends of the two-output type wide-temperature heat pump set are also provided with interlocked electromagnetic valves.
6. The wide temperature heat pump combined energy use system according to claim 5, wherein: the cross pipeline comprises a first tee joint and a second tee joint, the heat pump system comprises a third tee joint and a fourth tee joint, wherein the input end of the first tee joint is connected with a heat exchange water pump, the output end of the first tee joint is connected with the input end of the second tee joint, the output end of the second tee joint is connected with one input end of a heat pump, the input end of the third tee joint is connected with a refrigerant water pump, the output end of the third tee joint is connected with the input end of the fourth tee joint, the output end of the fourth tee joint is connected with the other input end of the heat pump, the lateral connecting end of the first tee joint is connected with the lateral connecting end of the fourth tee joint, the lateral connecting end of the second tee joint is connected with the lateral connecting end of the third tee joint, an electromagnetic valve is configured between the first tee joint and the second tee joint, an electromagnetic valve is configured between the third tee joint and the fourth tee joint, an electromagnetic valve is configured between the first tee joint and the fourth tee joint, and an electromagnetic valve is also configured between the second tee joint and the third tee joint.
7. The wide temperature heat pump combined energy use system of claim 6, wherein: the heat exchange tower set comprises a plurality of heat exchange towers, and the input end of each heat exchange tower is provided with an electromagnetic valve.
8. The wide temperature heat pump combined energy use system according to claim 7, wherein: all the electromagnetic valves are provided with flow meters and thermometers in a matching way, and all the electromagnetic valves, the flow meters and the thermometers are connected with the field control device.
9. The wide temperature heat pump combined energy use system according to claim 8, wherein: the third group of output ends of the 1# heat pump and the 2# heat pump are connected with a water feeding pipeline and then connected with a hot water tank group, the water feeding pipeline comprises a buffer water storage tank, an input tee joint, an output tee joint, a buffer pump, an input pipeline and an output pipeline, the input end of the input pipeline is connected with the 1# heat pump and the 2# heat pump, the output end of the input pipeline is connected with the input end of the input tee joint, the lateral connecting end of the input tee joint is connected with the buffer water storage tank through an input electromagnetic valve, the output end of the input tee joint is connected with the input end of the output tee joint through an output electromagnetic valve, the output end of the output tee joint is connected with the input end of the output pipeline, the output end of the output pipeline is connected with the hot water tank group, the buffer water storage tank is connected with the lateral connecting end of the output tee joint through the buffer pump, when the output electromagnetic valve receives a closing instruction, firstly, the opening degree of the input electromagnetic valve is gradually increased from 0, the opening degree of the output electromagnetic valve is gradually reduced from 100%, the opening degrees of the input electromagnetic valve and the output electromagnetic valve are kept at 100% until the opening degree of the output electromagnetic valve is 0, then the opening degree of the input electromagnetic valve is gradually reduced until the opening degree of the input electromagnetic valve is 0, and the buffer pump starts to drain accumulated water in the buffer water storage tank in the process of gradually reducing the opening degree of the input electromagnetic valve.
10. The wide temperature heat pump combined energy use system according to claim 8, wherein: the third group of output ends of the 1# heat pump and the 2# heat pump are connected with a water feeding pipeline and then connected with a hot water tank group, the water feeding pipeline comprises a buffer water storage tank, an input tee joint, an output tee joint, a buffer pump, an input pipeline and an output pipeline, the input end of the input pipeline is connected with the 1# heat pump and the 2# heat pump, the output end of the input pipeline is connected with the input end of the input tee joint, the lateral connecting end of the input tee joint is connected with the buffer water storage tank through an input electromagnetic valve, the output end of the input tee joint is connected with the input end of the output tee joint through an output electromagnetic valve, the output end of the output tee joint is connected with the hot water tank group, the buffer water storage tank is connected with the lateral connecting end of the output tee joint, when the output electromagnetic valve receives a closing instruction, firstly, the opening degree of the input electromagnetic valve is gradually increased from 0, the opening degree of the output electromagnetic valve is gradually reduced from 100%, the opening degrees of the input electromagnetic valve and the output electromagnetic valve are kept at 100% until the opening degree of the output electromagnetic valve is 0, then the opening degree of the input electromagnetic valve is gradually reduced until the opening degree of the input electromagnetic valve is 0, the buffering water storage tank comprises a hard body shell and an elastic inner container, detachable filters are arranged at the input end and the output end of the flexible inner container, a trigger switch is arranged in the middle of the top end of the inner side of the hard body shell, and when the trigger switch is triggered, the input electromagnetic valve is directly closed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115164307A (en) * | 2022-07-26 | 2022-10-11 | 珠海格力电器股份有限公司 | Air conditioning unit, control method and control system |
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