CN204329387U - The water source type carbon dioxide heat pump device of hot water preheat function can be realized - Google Patents
The water source type carbon dioxide heat pump device of hot water preheat function can be realized Download PDFInfo
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- CN204329387U CN204329387U CN201420741682.7U CN201420741682U CN204329387U CN 204329387 U CN204329387 U CN 204329387U CN 201420741682 U CN201420741682 U CN 201420741682U CN 204329387 U CN204329387 U CN 204329387U
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Abstract
The utility model relates to a kind of water source type carbon dioxide heat pump device realizing hot water preheat function, its technical scheme is: the outlet of compressor connects the entrance of gas cooler, the outlet of gas cooler connects evaporimeter by Intermediate Heat Exchanger, described evaporimeter connects gas-liquid separator, the outlet of gas-liquid separator connects compressor by magnetic valve, described Intermediate Heat Exchanger connects compressor and gas-liquid separator respectively, the water inlet pipe of evaporimeter is communicated with by preheating heat exchanger with outlet pipe, the entrance of described preheating heat exchanger is provided with hot water inlet pipe, described hot water inlet pipe is connected hot water out pipe by after preheating heat exchanger and gas cooler, connected by communicating pipe between described evaporimeter and gas-liquid separator, the beneficial effects of the utility model are: can realize when sewage temperature is higher than hot water inflow temperature in source pump inside, sewage and Yuan Shui carry out heat exchange, when sewage temperature is lower than hot water inflow temperature, sewage and source water do not carry out the function of heat exchange, reach the object improving efficiency.
Description
Technical field
The utility model relates to a kind of heat pump assembly, particularly a kind of water source type carbon dioxide heat pump device realizing hot water preheat function.
Background technology
In recent years, natural refrigerant carbon dioxide because it is nontoxic, non-combustible, ozone layer destroying index GDP is 0, global warming potential GWP is the attention that the advantage such as 1 is subject to refrigeration industry more and more, carbon dioxide is considered to one of most potential natural medium in heat pump refrigerant substitute.Carbon dioxide heat pump system relies on the performance of its uniqueness, can produce the hot water of more than 60 DEG C very easily.Even if the characteristic that carbon dioxide heat pump system is good makes, under the environment of low temperature, also can reach higher Energy Efficiency Ratio and hot water temperature.
Utilizing carbon dioxide heat-pump to implement in sewage remaining energy recovery project, the inflow temperature of the temperature and hot water that usually run into sewage there will be fluctuation, and sewage temperature can higher than hot water inflow temperature sometimes, and sewage temperature can lower than hot water temperature sometimes.Settle heat exchanger to be conventional way outward at unit, problems faced is when sewage temperature is lower than hot water temperature, also needs to carry out pipeline switching, sewage or hot water is not allowed to enter heat exchanger, need to control, increase system cost and floor space, cause cost to raise.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of water source type carbon dioxide heat pump device realizing hot water preheat function.
Its technical scheme is: comprise compressor, gas cooler, preheating heat exchanger, Intermediate Heat Exchanger, expansion valve, evaporimeter, gas-liquid separator, magnetic valve, the outlet of compressor connects the entrance of gas cooler, the outlet of gas cooler connects evaporimeter by Intermediate Heat Exchanger, described evaporimeter connects gas-liquid separator, the outlet of gas-liquid separator connects compressor by magnetic valve, described Intermediate Heat Exchanger connects compressor and gas-liquid separator respectively, the water inlet pipe of evaporimeter is communicated with by preheating heat exchanger with outlet pipe, the entrance of described preheating heat exchanger is provided with hot water inlet pipe, described hot water inlet pipe is connected hot water out pipe by after preheating heat exchanger and gas cooler, connected by communicating pipe between described evaporimeter and gas-liquid separator.
Above-mentioned gas-liquid separator comprises separate housing, motor, declutcher control lever, the inside of described separate housing is provided with declutcher control lever, the outside of described declutcher control lever is provided with helical rack, the top of described declutcher control lever connects motor, one side outlet of described separate housing connects evaporimeter, and the outlet at bottom of described separate housing connects compressor.
Be connected with the first bypass solenoid valve between the source water water inlet pipe of above-mentioned preheating heat exchanger and outlet pipe, the hot water inlet pipe at preheating heat exchanger import and export two ends is connected with the second bypass solenoid valve.
The beneficial effects of the utility model are: can realize when sewage temperature is higher than hot water inflow temperature in source pump inside, sewage and Yuan Shui carry out heat exchange, when sewage temperature is lower than hot water inflow temperature, sewage and source water do not carry out the function of heat exchange, reach the object improving efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of gas-liquid separator;
In upper figure: compressor 1, gas cooler 2, preheating heat exchanger 3, Intermediate Heat Exchanger 4, expansion valve 5, evaporimeter 6, gas-liquid separator 7, magnetic valve 8, first bypass solenoid valve 9, second bypass solenoid valve 10, hot water inlet pipe 11, hot water out pipe 12, communicating pipe 13, separate housing 7.1, motor 7.2, declutcher control lever 7.3, helical rack 7.4.
Detailed description of the invention
By reference to the accompanying drawings 1, the utility model will be further described:
The utility model comprises compressor 1, gas cooler 2, preheating heat exchanger 3, Intermediate Heat Exchanger 4, expansion valve 5, evaporimeter 6, gas-liquid separator 7, magnetic valve 8, the outlet of compressor 1 connects the entrance of gas cooler 2, the outlet of gas cooler 2 connects evaporimeter 6 by Intermediate Heat Exchanger 4, described evaporimeter 6 connects gas-liquid separator 7, the outlet of gas-liquid separator 7 connects compressor 1 by magnetic valve 8, described Intermediate Heat Exchanger 4 connects compressor 1 and gas-liquid separator 7 respectively, the water inlet pipe of evaporimeter 6 is communicated with by preheating heat exchanger 3 with outlet pipe, the entrance of described preheating heat exchanger 3 is provided with hot water inlet pipe 11, described hot water inlet pipe 11 is connected hot water out pipe 12 by preheating heat exchanger 3 with after gas cooler 2, connected by communicating pipe 13 between described evaporimeter 6 and gas-liquid separator 7.
Wherein, gas-liquid separator 7 comprises separate housing 7.1, motor 7.2, declutcher control lever 7.3, the inside of described separate housing 7.1 is provided with declutcher control lever 7.3, the outside of described declutcher control lever 7.3 is provided with helical rack 7.4, the top of described declutcher control lever 7.3 connects motor 7.2, one side outlet of described separate housing 7.1 connects evaporimeter 6, the outlet at bottom of described separate housing 7.1 connects compressor 1, rotated by declutcher control lever, under the influence of centrifugal force by the fluid separation applications of separator interior out, gas-liquid separation is realized.
In addition, between the source water water inlet pipe of preheating heat exchanger 3 and outlet pipe, be connected with the first bypass solenoid valve 9, the hot water inlet pipe 11 that preheating heat exchanger 3 imports and exports two ends is connected with the second bypass solenoid valve 10.
The heating steps of its hot water is:
A) when source coolant-temperature gage is higher than hot water inflow temperature, magnetic valve 9 and magnetic valve 10 are closed, and source water and hot water enter preheating heat exchanger 3, after hot water and Yuan Shui carry out heat exchange, then enter gas cooler 2 and are heated; Source water, after preheating heat exchanger 3, is absorbed heat entering evaporimeter 6;
B) when source coolant-temperature gage is lower than hot water inflow temperature, magnetic valve 9 and magnetic valve 10 are opened, and hot water and source water do not enter preheating heat exchanger 3, and source water directly enters evaporimeter 6, and hot water directly enters gas cooler 2.
The beneficial effects of the utility model are: can realize when sewage temperature is higher than hot water inflow temperature in source pump inside, sewage and Yuan Shui carry out heat exchange, when sewage temperature is lower than hot water inflow temperature, sewage and source water do not carry out the function of heat exchange, reach the object improving efficiency.
Claims (3)
1. one kind can realize the water source type carbon dioxide heat pump device of hot water preheat function, it is characterized in that: comprise compressor (1), gas cooler (2), preheating heat exchanger (3), Intermediate Heat Exchanger (4), expansion valve (5), evaporimeter (6), gas-liquid separator (7), magnetic valve (8), first bypass solenoid valve (9), second bypass solenoid valve (10), the outlet of compressor (1) connects the entrance of gas cooler (2), the outlet of gas cooler (2) connects evaporimeter (6) by Intermediate Heat Exchanger 4, described evaporimeter (6) connects gas-liquid separator (7), the outlet of gas-liquid separator (7) connects compressor (1) by magnetic valve (8), described Intermediate Heat Exchanger (4) connects compressor (1) and gas-liquid separator (7) respectively, the water inlet pipe of evaporimeter (6) is communicated with by preheating heat exchanger (3) with outlet pipe, the entrance of described preheating heat exchanger (3) is provided with hot water inlet pipe (11), described hot water inlet pipe (11) (is connected hot water out pipe (12) by preheating heat exchanger (3) with gas cooler after 20, connected by communicating pipe (13) between described evaporimeter (6) and gas-liquid separator (7).
2. the water source type carbon dioxide heat pump device realizing hot water preheat function according to claim 1, it is characterized in that: described gas-liquid separator (7) comprises separate housing (7.1), motor (7.2), declutcher control lever (7.3), the inside of described separate housing (7.1) is provided with declutcher control lever (7.3), the outside of described declutcher control lever (7.3) is provided with helical rack (7.4), the top of described declutcher control lever (7.3) connects motor (7.2), one side outlet of described separate housing (7.1) connects evaporimeter (6), the outlet at bottom of described separate housing (7.1) connects compressor (1).
3. the water source type carbon dioxide heat pump device realizing hot water preheat function according to claim 1, it is characterized in that: between the source water water inlet pipe of described preheating heat exchanger (3) and outlet pipe, be connected with the first bypass solenoid valve (9), the hot water inlet pipe (11) at preheating heat exchanger (3) import and export two ends is connected with the second bypass solenoid valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741682.7U CN204329387U (en) | 2014-12-02 | 2014-12-02 | The water source type carbon dioxide heat pump device of hot water preheat function can be realized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741682.7U CN204329387U (en) | 2014-12-02 | 2014-12-02 | The water source type carbon dioxide heat pump device of hot water preheat function can be realized |
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| CN204329387U true CN204329387U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420741682.7U Active CN204329387U (en) | 2014-12-02 | 2014-12-02 | The water source type carbon dioxide heat pump device of hot water preheat function can be realized |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444466A (en) * | 2015-12-18 | 2016-03-30 | 中国科学院理化技术研究所 | Regenerative circle high temperature heat pump heater and heating method |
-
2014
- 2014-12-02 CN CN201420741682.7U patent/CN204329387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444466A (en) * | 2015-12-18 | 2016-03-30 | 中国科学院理化技术研究所 | Regenerative circle high temperature heat pump heater and heating method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |