CN203132204U - Closed single-pipe type vertical buried-pipe ground-source heat pump system - Google Patents
Closed single-pipe type vertical buried-pipe ground-source heat pump system Download PDFInfo
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- CN203132204U CN203132204U CN 201320012066 CN201320012066U CN203132204U CN 203132204 U CN203132204 U CN 203132204U CN 201320012066 CN201320012066 CN 201320012066 CN 201320012066 U CN201320012066 U CN 201320012066U CN 203132204 U CN203132204 U CN 203132204U
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Abstract
The utility model discloses a novel closed single-pipe type vertical buried-pipe ground-source heat pump system, and relates to the field of shallow geothermal energy utilization. The closed single-pipe type vertical buried-pipe ground-source heat pump system comprises a single-pipe heat exchange well, an ascending pipe, a descending pipe, a circulation pump, a well mouth device and a heat pump. The closed single-pipe type vertical buried-pipe ground-source heat pump system can be installed on geologic regions where the well wall is softened easily when being contacted with water, underground fractures are abundant, groundwater resources are deficient, and the quality of groundwater is poor. Due to the facts that the temperature of shallow underground rock and soil is relatively stable, is kept appropriately from 15 DEG C to 20 DEG C throughout the year and is not influenced by the temperature of the atmospheric environment, stable cold and heat sources can be provided for a heat pump unit, and efficiency of the heat pump unit is improved. According to the system, construction is simple, the single-well heat exchange amount is high, and the groundwater resources are not consumed or polluted. The system has the advantages of being environment-friendly and high in heat exchange amount, reducing well drilling cost and the number of drilled wells, saving occupied space, being low in operation cost, and the like.
Description
Technical field
The utility model relates to a kind of shallow layer geothermal energy and utilizes the field, particularly a kind of enclosed single tube type perpendicularly buried pipe earth-source hot-pump system.
Background technology
Be accompanied by science and technology development, the traditional approach that cooling tower adds boiler need freeze and heat two cover units because of it, the operating cost height, and environment had pollution, more and more do not accepted by people.Earth-source hot-pump system utilizes green regenerative resource---shallow layer geothermal energy, can heat, freeze, also can provide the domestic hot-water, a tractor serves several purposes, one cover system can be replaced three cover systems of original heating boiler, refrigeration air-conditioner and domestic hot-water's heating, operating cost is low, and pollution-free spendable environmentally friendly, the effective air-conditioning system at present that becomes.
A kind of as earth source heat pump, the individual well heat exchange amount of conventional perpendicularly buried pipe earth-source hot-pump system is low, and boring pipe laying quantity is many, and floor space is big, for rock geology, the drilling cost height.These have all limited the development of conventional perpendicularly buried pipe earth-source hot-pump system, how to strengthen individual well heat exchange amount, and reduce drilling hole number, save floor space and drilling cost, be the major issue that present conventional perpendicularly buried pipe earth-source hot-pump system need solve.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of environmental friendliness, and heat exchange amount height reduces drilling cost and drilling hole number, saves the enclosed single tube type perpendicularly buried pipe earth-source hot-pump system of characteristics such as the floor space operating cost is low.
For achieving the above object, the technical solution of the utility model is: described enclosed single tube type perpendicularly buried pipe earth-source hot-pump system, comprise single tube heat exchange well, ascending tube, down pipe, ground circulating pump, wellhead assembly, heat pump and retaining wall pipe, above-mentioned ascending tube is connected in the above-mentioned single tube heat exchange well of feeding by above-mentioned wellhead assembly with above-mentioned down pipe.
Further, above-mentioned omnidistance retaining wall pipe be located at meet water easily softening, underground crack is abundant, groundwater resources are deficient, the geologic province of groundwater quality difference.
Further, at the bottom of above-mentioned ascending tube gos deep into described single tube heat exchange well, described down pipe is communicated with above-mentioned single tube heat exchange well by connecting above-mentioned wellhead assembly.
Further, the above-mentioned ascending tube of above-mentioned single tube heat exchange well is the flexible compound insulating tube.
Further, the above-mentioned retaining wall pipe of above-mentioned single tube heat exchange well is axial stiffness, the corrugated stainless steel tubing of radial compliance, and above-mentioned stainless steel can determine according to concrete hydrogeologic condition.
Further, above-mentioned corrugated stainless steel tubing can adopt flange to connect or weld and make.
Adopt the beneficial effect of the technical program to be: by the technical scheme in the utility model, because the shallow layer geothermal energy of one of regenerative resource of employing is advocated in the utility model utilization at present, be medium with water, by piercing underground single tube heat exchange well, water is introduced the bosom of well, water circulates in well, by retaining wall pipe and surrounding soil heat exchange, and the down isolated and surrounding soil heat exchange at one deck plastic tube wall of conventional perpendicularly buried pipe earth-source hot-pump system, the heat transfer coefficient of retaining wall pipe is about 20 times of pipe laying heat transfer coefficient routinely, as seen single tube type perpendicularly buried pipe earth-source hot-pump system heat exchange property is much better than conventional perpendicularly buried pipe heat pump, and the Cheng Jinghou backfill sealing of hole that need not to be in the milk, can reduce drilling cost and drilling hole number, save floor space.
Description of drawings
Fig. 1 is the structural representation of a kind of enclosed single tube of the utility model type perpendicularly buried pipe earth-source hot-pump system embodiment 1.
The represented corresponding component title of numeral among the figure:
1. single tube heat exchange well 2. ascending tubes 3. down pipes 4. ground circulating pumps 5. wellhead assemblies 6. heat pumps 7. retaining wall pipes 8. connect building load side 9. and meet the geology that water easily softens.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
Referring to Fig. 1, shown in legend wherein, a kind of enclosed single tube type perpendicularly buried pipe earth-source hot-pump system, comprise single tube heat exchange well (1), ascending tube (2), down pipe (3), ground circulating pump (4), wellhead assembly (5), heat pump (6) and retaining wall pipe (7), wherein, ascending tube (2) is selected the flexible compound insulating tube of good heat insulating for use, the retaining wall pipe (7) of single tube heat exchange well (1) is selected good heat-transfer for use, axial stiffness, the corrugated stainless steel tubing of radial compliance, stainless steel determines according to concrete hydrogeologic condition, system adopts the enclosed well drilling technology of omnidistance retaining wall pipe, it is easily softening to be used for borehole wall chance water, underground crack is abundant, the groundwater resources scarcity, the geology (9) that the chance water of groundwater quality difference easily softens, utilize the metastable characteristic of underground ground temperature, remain on suitable 15-20 ℃ throughout the year
In system's running, extract the water source of single tube heat exchange well (1) bottom by ground water circulating pump (4), and deliver to heat pump (6) evaporimeter (condenser), shallow layer geothermal energy is passed to evaporimeter (condenser), water source after the heat exchange is got back to the top of single tube heat exchange well (1), and water circulates in well, carries out heat exchange efficiently by retaining wall pipe (7) and surrounding soil, delivered to heat pump (6) by ascending tube (2) by ground circulating pump (4) extraction, finish the heat exchange cyclic process.
Adopt the beneficial effect of the technical program to be: by the technical scheme in the utility model, the shallow layer geothermal energy of one of regenerative resource of employing is advocated in utilization at present, be medium with water, by piercing underground single tube heat exchange well, water is introduced the bosom of well, water circulates in well, by retaining wall pipe and surrounding soil heat exchange, and the down isolated and surrounding soil heat exchange at one deck plastic tube wall of conventional perpendicularly buried pipe earth-source hot-pump system, the heat transfer coefficient of retaining wall pipe is about 20 times of pipe laying heat transfer coefficient routinely, as seen single tube type perpendicularly buried pipe earth-source hot-pump system heat exchange property is much better than conventional perpendicularly buried pipe heat pump, and the Cheng Jinghou backfill sealing of hole that need not to be in the milk, drilling cost and drilling hole number can have been reduced, save floor space, (it is easily softening that the borehole wall is met water for the plot that has suitable subsurface structure, underground crack is abundant, the groundwater resources scarcity, groundwater quality is poor), can utilize underground shallow layer geothermal energy to be heat and the domestic hot-water of freezing by enclosed single tube type perpendicularly buried pipe system.
Above-described only is preferred embodiment of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. enclosed single tube type perpendicularly buried pipe earth-source hot-pump system, utilize the metastable characteristic of underground rock-soil layer temperature, with water as heat transferring medium, it is characterized in that: described enclosed single tube type perpendicularly buried pipe earth-source hot-pump system, comprise single tube heat exchange well, ascending tube, down pipe, ground circulating pump, wellhead assembly, heat pump and retaining wall pipe, described ascending tube is connected in the described single tube heat exchange well of feeding by described wellhead assembly with described down pipe.
2. enclosed single tube type perpendicularly buried pipe earth-source hot-pump system according to claim 1 is characterized in that: described omnidistance retaining wall pipe be located at meet water easily softening, underground crack is abundant, groundwater resources are deficient, the geologic province of groundwater quality difference.
3. enclosed single tube type perpendicularly buried pipe earth-source hot-pump system according to claim 1 is characterized in that: at the bottom of described ascending tube gos deep into described single tube heat exchange well, described down pipe is communicated with described single tube heat exchange well by connecting described wellhead assembly.
4. enclosed single tube type perpendicularly buried pipe earth-source hot-pump system according to claim 1 is characterized in that: the described ascending tube employing flexible compound insulating tube of described single tube heat exchange well.
5. enclosed single tube type perpendicularly buried pipe earth-source hot-pump system according to claim 1 is characterized in that: the retaining wall pipe employing axial stiffness of described single tube heat exchange well, the corrugated stainless steel tubing of radial compliance.
6. single tube type perpendicularly buried pipe earth-source hot-pump system according to claim 5 is characterized in that: described corrugated stainless steel tubing can adopt flange to connect or welding is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012066 CN203132204U (en) | 2013-01-10 | 2013-01-10 | Closed single-pipe type vertical buried-pipe ground-source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012066 CN203132204U (en) | 2013-01-10 | 2013-01-10 | Closed single-pipe type vertical buried-pipe ground-source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132204U true CN203132204U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012066 Expired - Fee Related CN203132204U (en) | 2013-01-10 | 2013-01-10 | Closed single-pipe type vertical buried-pipe ground-source heat pump system |
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| CN (1) | CN203132204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925739A (en) * | 2013-01-10 | 2014-07-16 | 江苏望远节能科技开发有限公司 | Closed single-tube vertical borehole ground-coupled heat pump system |
-
2013
- 2013-01-10 CN CN 201320012066 patent/CN203132204U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925739A (en) * | 2013-01-10 | 2014-07-16 | 江苏望远节能科技开发有限公司 | Closed single-tube vertical borehole ground-coupled heat pump system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20220110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |