CN203615646U - Heat-accumulation type ground source heat pump device - Google Patents
Heat-accumulation type ground source heat pump device Download PDFInfo
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- CN203615646U CN203615646U CN201320644031.1U CN201320644031U CN203615646U CN 203615646 U CN203615646 U CN 203615646U CN 201320644031 U CN201320644031 U CN 201320644031U CN 203615646 U CN203615646 U CN 203615646U
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- heat
- valve
- regenerator
- condenser
- pipe
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- 238000009825 accumulation Methods 0.000 title claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000012782 phase change material Substances 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 abstract description 8
- 239000003245 coal Substances 0.000 abstract description 3
- 239000002803 fossil fuel Substances 0.000 abstract description 3
- 238000005338 heat storage Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Abstract
The utility model relates to a heat-accumulation type ground source heat pump device. An existing common ground source heat pump is not sufficiently reasonable in structural design and has a low energy utilization rate. The heat-accumulation type ground source heat pump device comprises an underground penstock, an evaporator, a compressor, a condenser, a throttling valve, a user side, a working medium flow circuit pipe, a working medium flow valve, an evaporator connecting pipe and a condenser connecting pipe; the evaporator, the compressor, the working medium flow valve, the condenser and the throttling valve are sequentially arranged on the working medium flow circuit pipe; the underground penstock is connected to the evaporator by the evaporator connecting pipe. The heat-accumulation type ground source heat pump device is characterized by also comprising a regenerative chamber, a bypass pipe, a bypass valve and a regenerative chamber connecting pipe, wherein both ends of the bypass pipe are connected onto the working medium flow circuit pipe; both the ends of the bypass pipe are respectively positioned at both sides of the working medium flow valve; both the regenerative chamber and the bypass valve are arranged on the bypass pipe; the regenerative chamber is connected with the user side by the regenerative chamber connecting pipe. According to the utility model, the utilization rate of renewable energy sources can be improved and use of fossil fuel such as coal and the like can be reduced.
Description
Technical field
The utility model relates to a kind of heat accumulating type geothermal heat pump, is a kind of energy supplying system, belongs to a kind of regenerative resource efficient technique of rainwater utilization field.
Background technology
In recent years, earth-source hot-pump system, because it has systematic energy efficiency ratio and automaticity is high, can meet the demand of heating, air-conditioning and hot water supply simultaneously, is widely used.
Conventional earth source heat pump comprises underground buried tube, waterway circulating pipe, air-conditioner host and user side now; Wherein, air-conditioner host is made up of compressor, condenser, evaporimeter and expansion valve four parts, by allowing liquid refrigerant (refrigeration machine or refrigerant) constantly complete: evaporation-compression condensation-throttling-thermodynamic cycle process of evaporation again, thereby by the transfer of heat in environment in the water in waterway circulating pipe, or by the transfer of heat in waterway circulating pipe in environment.
But, the ground source heat pump technology of extensive use at present adopts the pattern of synchronous operation round the clock mostly, due to the power supply characteristic of office building, mainly concentrate on the work hours on daytime for warm air conditioner load, disconnected cooling and heating load is less At All Other Times, if adopt earth source heat pump synchronous operation as thermal source or low-temperature receiver, owing to being the peak of power consumption period daytime, electricity price is higher, will certainly cause heat supply and refrigeration cost higher.If publication number is the method for disclosed a kind of earth source heat pump and energy storage thereof in the Chinese patent of CN 10275916 A, publication number is the method for disclosed earth source heat pump storage heating in the Chinese patent of CN 101634468 A, and publication number is the patent such as novel associating energy supplying system of disclosed one in the Chinese patent of CN 102997362 A, all for earth source heat pump, energy-storage method is proposed, but be all to carry out accumulation of heat water in the last link of user side, not only at condensation link thermal loss, and cistern is bulky, originally the earth-source hot-pump system floor space of simple and flexible is increased, cost of investment also raises.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provide a kind of reasonable in design, can further improve the utilization rate of regenerative resource, reduce the use of the fossil fuels such as coal, reach the object of energy-saving and emission-reduction, with respect to thermal storage tank, can greatly dwindle the heat accumulating type geothermal heat pump of the floor space of accumulation of heat casing simultaneously.
The technical scheme in the invention for solving the above technical problem is: this heat accumulating type geothermal heat pump comprises underground buried tube, evaporimeter, compressor, condenser, choke valve, user side, Working fluid flow loop pipe, Working fluid flow valve, evaporator joint pipe and condenser tube connector, described evaporimeter, compressor, Working fluid flow valve, condenser and choke valve are arranged in Working fluid flow loop pipe successively, described underground buried tube is connected on evaporimeter by evaporator joint pipe, described user side is connected on condenser by condenser tube connector, its design feature is: also comprise regenerator, shunt valve, bypass valve and regenerator tube connector, the two ends of described shunt valve are all connected in Working fluid flow loop pipe, the two ends of this shunt valve lay respectively at the both sides of Working fluid flow valve, described regenerator and bypass valve are installed on shunt valve, between described regenerator and user side, connect by regenerator tube connector.
As preferably, regenerator described in the utility model comprises regenerator heat-insulation layer, several heat accumulation pipes that phase-change material is installed, working medium import, sender property outlet, Heat supply and heat exchange device, water inlet, delivery port and heat taking and exchanging device, described heat taking and exchanging device, several heat accumulation pipes and Heat supply and heat exchange device are arranged in regenerator heat-insulation layer from top to bottom successively, described working medium import and sender property outlet are connected to the two ends of Heat supply and heat exchange device, this working medium import and sender property outlet are all connected on shunt valve, described water inlet and delivery port are connected to the two ends of heat taking and exchanging device, this water inlet and delivery port are all connected on regenerator tube connector.
As preferably, compressor described in the utility model, bypass valve and regenerator are arranged in order.
The utility model compared with prior art, have the following advantages and effect: simple in structure, reasonable in design, can further improve the utilization rate of regenerative resource, reduce the use of the fossil fuels such as coal, reach the object of energy-saving and emission-reduction, simultaneously with respect to thermal storage tank, can greatly dwindle the floor space of accumulation of heat casing.Adding of regenerator, does not affect send out-compression condensation-throttling of original place source heat pump evaporation-thermodynamic cycle process of evaporation again, only in Working fluid flow loop pipe, opens shunt valve, by the operating condition of valve regulated earth source heat pump and phase-transition heat-storage system.
The utility model utilizes trough-electricity to drive earth source heat pump, carries out heat storage.By day the peak electricity period, by phase-transition heat-storage system, user side is carried out to heat supply, or phase-transition heat-storage system and the heat supply simultaneously of former earth-source hot-pump system.
Heat accumulation pipe in the utility model regenerator normally intersects and to stack, that is to say that phase-change material is packaged in intersection in heat accumulation pipe and stacks, and be provided with Heat supply and heat exchange device and heat taking and exchanging device, heat pump fluid is compressed into high temperature and high pressure gas through compressor and passes into Heat supply and heat exchange device, phase-change material is filled to heat, after working medium cooling, form loop through condenser again; Flow through heat taking and exchanging device and phase-change material of cold water or cold air carries out after heat exchange, directly gives user side supplying hot water or heating installation.Phase-change material in heat accumulation pipe comprises organic phase change material, inorganic hydrous salt phase transition material and composite phase-change material, phase transition temperature scope 60-100 ℃, phase-change heat-storage material energy storage density is high, it is the 4-20 of traditional sensible heat energy-accumulating medium (water) in uniform temp excursion times, and energy storage temperature range is wide, can meet different application requirements.
Clearly, the utility model is compared with existing earth-source hot-pump system, can, effectively in conjunction with earth source heat pump, effectively reduce floor space, has better economy, and trough-electricity drives the heat that earth source heat pump produces to be used for the peak electricity period, realizes peak load shifting.
Accompanying drawing explanation
Fig. 1 is the structural representation of heat accumulating type geothermal heat pump in the utility model embodiment.
Fig. 2 is the structural representation of regenerator in the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 2, the heat accumulating type geothermal heat pump in the present embodiment comprises underground buried tube 1, evaporimeter 2, compressor 3, regenerator 4, condenser 5, choke valve 6, user side 7, Working fluid flow loop pipe 8, Working fluid flow valve 9, shunt valve 10, bypass valve 11, evaporator joint pipe 12, condenser tube connector 13 and regenerator tube connector 14.
The two ends of the shunt valve 10 in the present embodiment are all connected in Working fluid flow loop pipe 8, the two ends of this shunt valve 10 lay respectively at the both sides of Working fluid flow valve 9, regenerator 4 and bypass valve 11 are installed on shunt valve 10, that is to say that regenerator 4 and bypass valve 11 are installed in series on shunt valve 10, after this regenerator 4 and bypass valve 11 series connection, and it between Working fluid flow valve 9, is relation in parallel.Between regenerator 4 in the present embodiment and user side 7, connect by regenerator tube connector 14.Compressor 3, bypass valve 11 and regenerator 4 are arranged in order.
Heat accumulating type geothermal heat pump in the present embodiment not only can peak load shifting, energy-saving and emission-reduction, and greatly reduce operating cost, improve renewable energy utilization rate.This heat accumulating type geothermal heat pump utilizes trough-electricity to drive earth source heat pump, working medium is evaporated absorb underground thermal source in evaporimeter 2 after, be compressed into high temperature and high pressure gas through compressor 3, enter Heat supply and heat exchange device 405 transfer of heat is stored in the phase-change material of heat accumulation pipe 402, and form closed circuit through condenser again after working medium cooling.The peak electricity period by day, is used domestic water (air) to enter heat taking and exchanging device 407, and the transfer of heat that phase-change material is stored is supplied with user side to domestic water (air).Phase-transition heat-storage system adds, do not affect send out-compression condensation-throttling of original place source heat pump evaporation-thermodynamic cycle process of evaporation again, but from the away from of earth source heat pump, on the pipeline of refrigerant (refrigeration machine) circulation through evaporating, be compressed into HTHP, open bypass, by the operating condition of throttle valve adjustment earth source heat pump and hold over system, therefore also heat supply simultaneously of phase-transition heat-storage system and former earth-source hot-pump system.
In addition, it should be noted that, the specific embodiment described in this description, shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this description is only to the explanation of the utility model structure example.All equivalence variation or simple change of doing according to described structure, feature and the principle of the utility model patent design, are included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (3)
1. a heat accumulating type geothermal heat pump, comprise underground buried tube, evaporimeter, compressor, condenser, choke valve, user side, Working fluid flow loop pipe, Working fluid flow valve, evaporator joint pipe and condenser tube connector, described evaporimeter, compressor, Working fluid flow valve, condenser and choke valve are arranged in Working fluid flow loop pipe successively, described underground buried tube is connected on evaporimeter by evaporator joint pipe, described user side is connected on condenser by condenser tube connector, it is characterized in that: also comprise regenerator, shunt valve, bypass valve and regenerator tube connector, the two ends of described shunt valve are all connected in Working fluid flow loop pipe, the two ends of this shunt valve lay respectively at the both sides of Working fluid flow valve, described regenerator and bypass valve are installed on shunt valve, between described regenerator and user side, connect by regenerator tube connector.
2. heat accumulating type geothermal heat pump according to claim 1, it is characterized in that: described regenerator comprises regenerator heat-insulation layer, several heat accumulation pipes that phase-change material is installed, working medium import, sender property outlet, Heat supply and heat exchange device, water inlet, delivery port and heat taking and exchanging device, described heat taking and exchanging device, several heat accumulation pipes and Heat supply and heat exchange device are arranged in regenerator heat-insulation layer from top to bottom successively, described working medium import and sender property outlet are connected to the two ends of Heat supply and heat exchange device, this working medium import and sender property outlet are all connected on shunt valve, described water inlet and delivery port are connected to the two ends of heat taking and exchanging device, this water inlet and delivery port are all connected on regenerator tube connector.
3. heat accumulating type geothermal heat pump according to claim 1, is characterized in that: described compressor, bypass valve and regenerator are arranged in order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644031.1U CN203615646U (en) | 2013-10-18 | 2013-10-18 | Heat-accumulation type ground source heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644031.1U CN203615646U (en) | 2013-10-18 | 2013-10-18 | Heat-accumulation type ground source heat pump device |
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| Publication Number | Publication Date |
|---|---|
| CN203615646U true CN203615646U (en) | 2014-05-28 |
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| CN201320644031.1U Expired - Lifetime CN203615646U (en) | 2013-10-18 | 2013-10-18 | Heat-accumulation type ground source heat pump device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322485A (en) * | 2016-09-30 | 2017-01-11 | 西安热工研究院有限公司 | Thermoelectricity energy storage distributed heat supply system |
| CN107843135A (en) * | 2017-10-19 | 2018-03-27 | 中国科学院工程热物理研究所 | A kind of energy storage equipment using the self-driven loop of the temperature difference |
| CN108826746A (en) * | 2018-08-08 | 2018-11-16 | 廖滨 | The big temperature difference heat pump heat-storing device of high temperature and heat-storing method |
| CN108895715A (en) * | 2018-09-04 | 2018-11-27 | 南京工业大学 | A kind of ground-source heat pump system using accumulation of energy based on cold and hot equilibrium idea suitable for southern area of China |
| CN109340867A (en) * | 2018-10-12 | 2019-02-15 | 中国建筑西北设计研究院有限公司 | A kind of paddy electricity energy-storage system based on phase transition heat accumulation unit |
-
2013
- 2013-10-18 CN CN201320644031.1U patent/CN203615646U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322485A (en) * | 2016-09-30 | 2017-01-11 | 西安热工研究院有限公司 | Thermoelectricity energy storage distributed heat supply system |
| CN107843135A (en) * | 2017-10-19 | 2018-03-27 | 中国科学院工程热物理研究所 | A kind of energy storage equipment using the self-driven loop of the temperature difference |
| CN107843135B (en) * | 2017-10-19 | 2023-12-05 | 中国科学院工程热物理研究所 | Energy storage device utilizing temperature difference self-driven loop |
| CN108826746A (en) * | 2018-08-08 | 2018-11-16 | 廖滨 | The big temperature difference heat pump heat-storing device of high temperature and heat-storing method |
| CN108895715A (en) * | 2018-09-04 | 2018-11-27 | 南京工业大学 | A kind of ground-source heat pump system using accumulation of energy based on cold and hot equilibrium idea suitable for southern area of China |
| CN109340867A (en) * | 2018-10-12 | 2019-02-15 | 中国建筑西北设计研究院有限公司 | A kind of paddy electricity energy-storage system based on phase transition heat accumulation unit |
| CN109340867B (en) * | 2018-10-12 | 2021-07-09 | 中国建筑西北设计研究院有限公司 | Valley electricity energy storage system based on phase change heat storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |