CN202002396U - Horizontal buried pipe type soil source heat pump system based on rainwater accumulation and permeation - Google Patents
Horizontal buried pipe type soil source heat pump system based on rainwater accumulation and permeation Download PDFInfo
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- CN202002396U CN202002396U CN2011200600445U CN201120060044U CN202002396U CN 202002396 U CN202002396 U CN 202002396U CN 2011200600445 U CN2011200600445 U CN 2011200600445U CN 201120060044 U CN201120060044 U CN 201120060044U CN 202002396 U CN202002396 U CN 202002396U
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Abstract
The utility model discloses a horizontal buried pipe type soil source heat pump system based on rainwater accumulation and permeation, which belongs to the technical field of the development and the utilization of shallow geothermal energy and comprises a soil source heat pump system, an air conditioner terminal device and a horizontal buried pipe heat exchange system and a rainwater accumulation and permeation system, wherein the rainwater accumulation and permeation system is a piece of downwards concave green land, a porous pavement, a rainwater garden or an accumulation and permeation shallow ditch. The horizontal buried pipe type soil source heat pump system has the advantages that through the combination of the rainwater accumulation and permeation system, the soil moisture content can be effectively improved, so the system is in a state with favorable water content in the whole summer, the heat exchange effect between a buried pipe and the soil is enhanced, the heat radiation speed of a condenser is effectively accelerated, the operation efficiency of the soil source heat pump system is improved, simultaneously, through the adoption of the rainwater accumulation and permeation system, the current urban water lack state can be effectively relieved, the extraction and supplementation balance of underground water is recovered as soon as possible, and a series of ecological effects of nourishing the underground water, relieving the ground settlement and the like are reached.
Description
Technical field
The utility model belongs to the development and utilization technical field of shallow layer geothermal energy, being particularly related to a kind of soil source heat pump system of buried tube type flatly, is a kind of rainwater to be held the integral system that the system of oozing combines with buried tube type soil source heat pump system flatly specifically.
Background technology
Along with fossil energy faces exhausted pollution dangerous and that brought showing day of environmental disruption problem given prominence to; making full use of more and more of regenerative resource receives publicity, and the development and utilization of shallow layer geothermal energy provides the passage that solves for the significant problem that solves these two puzzlement development of energy crisis and environmental pollution.Wherein the utilization of soil source heat pump system is approved widely, has development prospect widely.
At present, there are some problem demanding prompt solutions in the design and running of soil source heat pump system: when soil source heat pump system in summer during the cooling condition operational mode, indoor heat, compressor power consumption all enter in the soil by the ground pipe laying, in soil heat extraction process, will certainly cause the rising of pipe laying temperature field surrounding, the moisture content of soil can descend thereupon, moisture content is to the highly significant that influences of the thermal conductivity factor of soil, when the every reduction by 5% of soil moisture content, the thermal conductivity factor of soil can corresponding reduction 0.2W/mK.Constantly reducing of soil thermal conductivity certainly will be caused the reduction of heat exchange property between ground pipe laying and the soil; Simultaneously, summer fever pumping system when operation, the heat extraction process of underground soil is caused the continuous rising of the soil moisture, cause the summer condensation temperature to be in higher level, soil source heat pump system moves under metastable condition, and the operational efficiency of heat pump reduces.In sum, the design and the use of tradition soil source heat pump system, also do not consider the problem of following aspect: system will inevitably face soil moisture content and descend when summer operation on the one hand, the ever-reduced problem of the thermal conductivity factor of soil, will the generation system design winter, summer unmatched problem; On the other hand, the raising of condensation temperature caused the reduction of system in refrigeration mode operating efficiency in summer when the continuous rising of source pump condensation temperature can cause the reduction of entire system cycle performance coefficient promptly to cause the work of summer fever pumping system.
In China, town rain discharging never causing people's attention.There are problems in traditional storm water management mode: on the one hand, because modern urban road mostly is impermeable surface, in rainy season, traditional storm water management pattern will add big city big flood risk, and rainfall runoff is seriously polluted, causes ecological environment to worsen thereupon; On the other hand, the northern area of China lack of water is serious, and the urban groundwater extraction is unable to make ends meet, and the supply of underground water (especially phreatic water) is cut off, and has destroyed the Natural Circulation process of original water system.
Solving the above-mentioned problem of enumerating by effective way is to improve the operational efficiency of soil source heat pump system, changes the key of traditional storm-water drainage mode.
The utility model content
In northern China heating area, the summer cooling amount is less relatively, and the operation purpose of heat pump is to utilize cold-producing medium as far as possible the heat of evaporimeter to be passed through buried pipework condensation device distribute heat, therefore the utility model proposes a kind of soil source heat pump system of buried tube type flatly that oozes that holds based on rainwater, it can solve existing soil source heat pump system when summer operation, to the continuous discharges heat of soil, the pipe laying temperature field surrounding that is caused raises, the thermal conductivity factor of soil reduces, the problem that the heat-transfer effect between ground heat exchanger and the soil weakens; Particularly because after the soil moisture raise, heat pump is the rising of condensation temperature in the course of the work, cause heat pump under summer refrigeration mode duty, the problem that operational efficiency reduces.
The technical solution of the utility model:
A kind of soil source heat pump system of buried tube type flatly, it comprises soil source heat pump system, air-conditioner tail end equipment capable and horizontal ground pipe laying heat-exchange system, it is characterized in that: comprise that also rainwater holds the system of oozing.
It is recessed greenery patches that described rainwater holds the system of oozing, permeablely mat formation, rainwater garden or hold and ooze shallow ridges.
Described rainwater holds the system of oozing on the ground or in the subterranean layer of building, can be positioned at the top of described horizontal ground pipe laying heat-exchange system.Rainwater holds and oozes systematic collection natural rainfall resource and it is converted into the soil water and underground water on the spot, make the horizontal coiled pipe more favourable water content state of soil conservation on every side, effectively improve the thermal conductivity factor of soil, heat-transfer effect between reinforced soil and the pipe laying, accelerate the radiating rate of refrigeration system, finally reach the purpose that improves running efficiency of system.
Described soil source heat pump system comprises condenser/evaporator, evaporator/condenser, four-way change-over valve, compressor, can also contain choke valve.
In the described system, utilize all or part of task of bearing condenser heat radiation in summer of horizontal coiled pipe, quicken the radiating rate of condenser in summer, and according to the different of soil moisture content and can give full play to rainwater and hold under the prerequisite of oozing systemic-function, determine the buried depth of horizontal coiled pipe heat exchanger.
In the described system, rainwater holds the system of oozing to be needed according to local rainfall distribution, soil rerum natura and relevant meteorological condition, and project field conditions, catchment area, rainwater on every side of living in compiles and view landform processing requirements, the design rainwater holds the recessed degree of depth on milliosmolarity and ground, corresponding soil source heat pump top, thus the water content of control different depth soil.
Advantage of the present utility model and good effect:
Because northern area summer cooling amount is less relatively, and its objective is and utilize cold-producing medium as far as possible the heat of evaporimeter to be distributed by the ground pipe laying.Flatly the buried tube heat exchanger buried depth is shallow, the influence of environment is comparatively responsive to external world, the thermal conductivity factor of soil changes also violent relatively, and proposition of the present utility model makes buried tube heat exchanger flatly bear the task of condenser heat radiation in summer, and mode of operation is the condenser radiating mode; Meanwhile, hold combining of the system of oozing with rainwater, can guarantee that whole system is in more favourable water content state, improve the thermal conductivity factor of soil, and then the heat-transfer effect between reinforcement ground heat exchanger and the soil, accelerate the rate of heat dispation of condenser, reduce condensation temperature, the final purpose that realizes improving the entire system operational efficiency.
The utility model is effectively collected the natural rainfall resource by utilizing rainwater to hold the system of oozing, and it is converted into the soil water and underground water on the spot, effectively alleviates the urban water shortage present situation, recovers underground hydromining as early as possible and mends balance; Simultaneously, ooze device owing to adopt rainwater to hold, the water content of soil is improved, and the thermal conductivity factor of soil also improves thereupon; Buried depth according to the different water content design soil source heat pump horizontal underground heat exchanger of soil, heat transfer between pipe laying and the soil intentinonally, effectively improve the radiating effect in summer, guarantee the heat-obtaining in winter simultaneously, reach the purpose that improves the soil source heat pump heat exchange efficiency.
The utility model is the improvement to traditional soil source heat pump system, proposing flatly, the buried tube type soil source heat pump holds the system that the system of oozing combines with rainwater, relate to the soil source heat pump technology, ground pipe laying heat transfer technology and rainwater hold the technology of oozing in interior renewable energy utilization technology, can improve the operating efficiency of soil source heat pump system.
The utility model can effectively improve soil moisture content by hold the system of oozing in conjunction with rainwater, make system all be in comparatively favourable water content state whole summer, strengthen the heat exchange effect between ground pipe laying and the soil, effectively accelerate the radiating rate of condenser, improve the desire line efficiency of soil source heat pump system; Meanwhile, the urban water shortage present situation can be effectively alleviated in the employing that rainwater holds the system of oozing, and recovers underground hydromining as early as possible and mends balance, self-restraint underground water and alleviate surface subsidence, reduce a series of ecological effects such as runoff pollution.
Description of drawings
Fig. 1 be the utility model related hold the overall structure principle schematic of the soil source heat pump horizontal ground heat exchanger that oozes based on rainwater;
Number in the figure:
1-condenser/evaporator, 2-evaporator/condenser, 3-air-conditioner tail end equipment capable, 4-four-way change-over valve, 5-compressor, 6-rainwater hold the system of oozing, 7-horizontal underground heat exchanger, 8,9-water circulating pump, 10-choke valve.
The specific embodiment
The following examples can make those skilled in the art more fully understand the utility model, but limit the utility model never in any form.
Embodiment: a kind of soil source heat pump system of buried tube type flatly (see figure 1), it comprises soil source heat pump system, air-conditioner tail end equipment capable and horizontal ground pipe laying heat-exchange system, comprises that also rainwater holds the system of oozing.
Described soil source heat pump system comprises condenser/evaporator 1, evaporator/condenser 2, four-way change-over valve 4, compressor 5 and choke valve 10.
The outlet pipe of the evaporator/condenser 2 of described soil source heat pump system is connected with the feed pipe of air-conditioner tail end equipment capable, and the water inlet pipe of evaporator/condenser 2 is connected with the water return pipeline of air conditioning terminal system; The outlet pipe of the condenser/evaporator 1 of described soil source heat pump system is connected with the feed pipe of horizontal buried tube heat exchanger, and the water inlet pipe of condenser/evaporator 1 is connected with the return pipe of horizontal coiled pipe heat exchanger.
Described rainwater holds the system of oozing 6 to be needed according to local rainfall distribution, soil rerum natura and relevant meteorological condition, field conditions, catchment area, rainwater around the project of reaching is of living in compile and view landform processing requirements, thereby the design rainwater holds the water content of the recessed degree of depth control different depth soil on milliosmolarity and ground, corresponding soil source heat pump top; Said horizontal buried tube heat exchanger 7 needs to hold the buried depth that the requirement of oozing systemic-function is provided with the ground pipe laying according to can fully satisfying rainwater, reaches the heat-obtaining function that the heat radiation that improves the condenser in summer guarantees winter simultaneously.
Wherein, described source pump, horizontal buried tube heat exchanger 7 and being connected of 3 of air-conditioner tail end equipment capables are divided into: two kinds of winter operation and summer operations.
During summer operation, evaporator/condenser 2 is used as condenser as evaporimeter use, condenser/evaporator 1, and during winter operation, evaporator/condenser 2 is used as evaporimeter as condenser use, condenser/evaporator 1.
In summer, described system moves under cooling condition, and the evaporimeter outlet pipe of source pump is connected with the feed pipe of air-conditioner tail end equipment capable, and the water inlet pipe of source pump evaporimeter is connected with the water return pipeline of air conditioning terminal system; The outlet pipe of condenser is connected with the feed pipe of horizontal buried tube heat exchanger, and water inlet pipe is connected with the return pipe of horizontal coiled pipe heat exchanger.Described system is when summer operation, and condenser is by the heat extraction in soil of horizontal buried tube heat exchanger.In the winter time, by the switching between the valve member, system can realize the heat supply circulation.
Above-mentioned holds the soil source heat pump horizontal buried tube heat exchanger that oozes based on rainwater, in the pluvial period in summer, holding the system of oozing (as recessed greenery patches, permeablely mat formation, the rainwater garden, hold modes such as oozing shallow ridges) by rainwater collects the natural rainfall resource and it is converted into the soil water and underground water on the spot, make the horizontal coiled pipe more favourable water content state of soil conservation on every side, effectively improve the thermal conductivity factor of soil, heat-transfer effect between reinforced soil and the pipe laying, accelerate the radiating rate of refrigeration system, finally reach the purpose that improves running efficiency of system.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. buried tube type soil source heat pump system flatly, it comprises soil source heat pump system, air-conditioner tail end equipment capable and horizontal ground pipe laying heat-exchange system, it is characterized in that: comprise that also rainwater holds the system of oozing.
2. the soil source heat pump system of buried tube type flatly according to claim 1 is characterized in that: it is recessed greenery patches that described rainwater holds the system of oozing, permeablely mat formation, rainwater garden or hold and ooze shallow ridges.
3. the soil source heat pump system of buried tube type flatly according to claim 1 is characterized in that: described rainwater holds the system of oozing on the ground or in the subterranean layer of building.
4. the soil source heat pump system of buried tube type flatly according to claim 1 is characterized in that: described rainwater holds the top that the system of oozing is positioned at described horizontal ground pipe laying heat-exchange system.
5. the soil source heat pump system of buried tube type flatly according to claim 1 is characterized in that: described soil source heat pump system comprises condenser/evaporator (1), evaporator/condenser (2), four-way change-over valve (4), compressor (5).
6. the soil source heat pump system of buried tube type flatly according to claim 5 is characterized in that: described soil source heat pump system also comprises choke valve (10).
7. the soil source heat pump system of buried tube type flatly according to claim 5, it is characterized in that: the outlet pipe of the evaporator/condenser of described soil source heat pump system (2) is connected with the feed pipe of air-conditioner tail end equipment capable, and the water inlet pipe of evaporator/condenser (2) is connected with the water return pipeline of air conditioning terminal system; The outlet pipe of the condenser/evaporator of described soil source heat pump system (1) is connected with the feed pipe of horizontal buried tube heat exchanger, and the water inlet pipe of condenser/evaporator (1) is connected with the return pipe of horizontal coiled pipe heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200600445U CN202002396U (en) | 2011-03-09 | 2011-03-09 | Horizontal buried pipe type soil source heat pump system based on rainwater accumulation and permeation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200600445U CN202002396U (en) | 2011-03-09 | 2011-03-09 | Horizontal buried pipe type soil source heat pump system based on rainwater accumulation and permeation |
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| CN202002396U true CN202002396U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200600445U Expired - Fee Related CN202002396U (en) | 2011-03-09 | 2011-03-09 | Horizontal buried pipe type soil source heat pump system based on rainwater accumulation and permeation |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657048A (en) * | 2012-02-19 | 2012-09-12 | 新疆麦立德保鲜技术开发有限责任公司 | Heat pump greenhouse |
| CN102777990A (en) * | 2012-07-04 | 2012-11-14 | 西安建筑科技大学 | Air conditioning unit system of water source heat pump in reservoir for underground hydropower station |
| CN103134237A (en) * | 2013-02-22 | 2013-06-05 | 重庆海润节能研究院 | Ground source heat pump rock-soil heat exchange and rainwater collection and utilization united technology |
| CN104197587A (en) * | 2014-09-18 | 2014-12-10 | 中冶集团武汉勘察研究院有限公司 | Circular foundation pit internal-disturbance buried pipe type underground heat exchange structure and construction method thereof |
| CN106196732A (en) * | 2016-08-01 | 2016-12-07 | 绍兴文理学院 | A kind of system heating underground low temperature storage tank surrounding soil |
| CN106871493A (en) * | 2017-03-21 | 2017-06-20 | 朱以强 | A kind of regenerative resource geothermal energy utilization earth-source hot-pump system |
| CN106871491A (en) * | 2017-02-10 | 2017-06-20 | 左明耀 | Vertical ground heat exchanger sets up the structure that groundwater infiltration improves heat exchange property |
| WO2020207109A1 (en) * | 2019-04-08 | 2020-10-15 | 青岛海尔空调器有限总公司 | Underground-cooling-type heat exchange method and heat exchange system, air conditioner, and installation method |
| CN112964743A (en) * | 2021-02-06 | 2021-06-15 | 安徽理工大学 | Horizontal geothermal extraction test system |
-
2011
- 2011-03-09 CN CN2011200600445U patent/CN202002396U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657048A (en) * | 2012-02-19 | 2012-09-12 | 新疆麦立德保鲜技术开发有限责任公司 | Heat pump greenhouse |
| CN102777990A (en) * | 2012-07-04 | 2012-11-14 | 西安建筑科技大学 | Air conditioning unit system of water source heat pump in reservoir for underground hydropower station |
| CN102777990B (en) * | 2012-07-04 | 2014-11-26 | 西安建筑科技大学 | Air conditioning unit system of water source heat pump in reservoir for underground hydropower station |
| CN103134237A (en) * | 2013-02-22 | 2013-06-05 | 重庆海润节能研究院 | Ground source heat pump rock-soil heat exchange and rainwater collection and utilization united technology |
| CN103134237B (en) * | 2013-02-22 | 2016-01-20 | 重庆海润节能研究院 | Ground source heat pump rock-soil heat exchange and rainwater catchment system association system |
| CN104197587A (en) * | 2014-09-18 | 2014-12-10 | 中冶集团武汉勘察研究院有限公司 | Circular foundation pit internal-disturbance buried pipe type underground heat exchange structure and construction method thereof |
| CN106196732A (en) * | 2016-08-01 | 2016-12-07 | 绍兴文理学院 | A kind of system heating underground low temperature storage tank surrounding soil |
| CN106196732B (en) * | 2016-08-01 | 2019-03-29 | 绍兴文理学院 | A kind of system heating underground low temperature storage tank surrounding soil |
| CN106871491A (en) * | 2017-02-10 | 2017-06-20 | 左明耀 | Vertical ground heat exchanger sets up the structure that groundwater infiltration improves heat exchange property |
| CN106871493A (en) * | 2017-03-21 | 2017-06-20 | 朱以强 | A kind of regenerative resource geothermal energy utilization earth-source hot-pump system |
| WO2020207109A1 (en) * | 2019-04-08 | 2020-10-15 | 青岛海尔空调器有限总公司 | Underground-cooling-type heat exchange method and heat exchange system, air conditioner, and installation method |
| CN112964743A (en) * | 2021-02-06 | 2021-06-15 | 安徽理工大学 | Horizontal geothermal extraction test system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20180309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |