CN211600967U - Energy-saving single-well circulating heat exchange geothermal energy air conditioning system - Google Patents

Energy-saving single-well circulating heat exchange geothermal energy air conditioning system Download PDF

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Publication number
CN211600967U
CN211600967U CN201922202716.0U CN201922202716U CN211600967U CN 211600967 U CN211600967 U CN 211600967U CN 201922202716 U CN201922202716 U CN 201922202716U CN 211600967 U CN211600967 U CN 211600967U
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heat
well
heat exchange
heat transfer
energy
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CN201922202716.0U
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徐生恒
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Ruicheng Technology Development Group Ltd.
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徐生恒
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Abstract

The utility model discloses energy-conserving single well circulation heat transfer ground can air conditioning system, including concatenating ground can heat transfer loop together in proper order, the heat exchanger, heat transfer loop and a plurality of heat pumps, ground can heat transfer loop establishes in the thermal-arrest well, still be equipped with parallelly connected at least supplementary ground can heat transfer loop on heat transfer loop in the thermal-arrest well, supplementary ground can heat transfer loop's water supply mouth and return water mouth are connected with heat transfer loop's main delivery pipe and main wet return respectively, be equipped with vice water supply control valve and vice return water control valve on supplementary ground can heat transfer loop's supplementary delivery pipe and the supplementary wet return respectively, be equipped with main water supply control valve and main return water control valve on main delivery pipe and main wet return respectively. The utility model discloses energy-conserving single well circulation heat transfer ground can air conditioning system, when only needing a small amount of heat exchange indoor, can need not open high-power immersible pump, only just can realize the warm effect of indoor cooling through opening supplementary ground can heat transfer circuit, has effectively reduced the unnecessary energy consumption, and simple structure and with low costs.

Description

Energy-saving single-well circulating heat exchange geothermal energy air conditioning system
Technical Field
The utility model relates to a ground can air conditioning system, especially relates to an energy-conserving single well circulation heat transfer ground can air conditioning system.
Background
At present, when a single-well circulating heat exchange geothermal energy air conditioning system supplies cold and heat to a plurality of rooms, a submersible pump in a well needs to be started, liquid in the well is enabled to exchange heat with a main circulation loop in a heat exchanger, a plurality of branches are connected in parallel on the main circulation loop, each branch is connected with a heat pump host, the main circulation loop transfers heat to the corresponding heat pump host through the branches, and the cold and heat supply to the rooms is achieved. Because the effect of supplying cold and warm to a plurality of rooms simultaneously needs to be guaranteed, the power of the submersible pump in the well is generally larger, and when the number of the rooms is larger, the power of the submersible pump can reach about 40 KW. When seasons change, such as early winter or late winter, or only a few rooms need to be opened, it is guaranteed that the indoor temperature only needs a small amount of heat exchange, but a high-power submersible pump in the well needs to be opened to supply cold and heat to the rooms, unnecessary energy consumption is caused, and the use cost of users is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an energy-conserving single well circulation heat transfer ground can air conditioning system effective energy-conservation, simple structure and with low costs.
The energy-saving single-well circulating heat exchange geothermal energy air conditioning system comprises a geothermal energy heat exchange loop, a heat exchanger, a heat transfer loop and a plurality of heat pumps which are connected in series in turn, the geothermal energy heat exchange loop is arranged in a heat collecting well, at least one auxiliary geothermal energy heat exchange loop which is made of a U-shaped pipe and connected with the heat transfer loop in parallel is also arranged in the heat collecting well, the water supply port and the water return port of the auxiliary geothermal energy heat exchange loop are respectively connected with the main water supply pipe and the main water return pipe of the heat transfer loop, an auxiliary water supply control valve and an auxiliary water return control valve are respectively arranged on an auxiliary water supply pipe and an auxiliary water return pipe of the auxiliary geothermal energy heat exchange loop, a main water supply control valve and a main water return control valve are respectively arranged on the main water supply pipe and the main water return pipe, the primary water supply control valve is located between the water supply inlet of the auxiliary geothermal energy heat exchange loop and the heat exchanger, the main water return control valve is positioned between the water return port of the auxiliary geothermal energy heat exchange loop and the heat exchanger.
The utility model discloses energy-conserving single well circulation heat transfer can air conditioning system, wherein be equipped with rather than coaxial interior well pipe in the thermal-arrest well interior well casing with it has the heat transfer granule to fill between the wall of a well of thermal-arrest well, geothermal energy heat transfer return circuit in the thermal-arrest well is located in the interior well casing, be equipped with transverse partition in the interior well casing, be located it has the hole of permeating water to open on the pipe wall of transverse partition upper portion and the interior well casing of lower part, submersible pump in the geothermal energy heat transfer return circuit arranges in the below of baffle, the return water mouth of return water pipe is located in the geothermal energy heat transfer return circuit the top of baffle, supplementary geothermal energy heat transfer return circuit arranges in the filling layer of heat transfer granule.
The utility model discloses energy-conserving single well circulation heat transfer can air conditioning system, wherein supplementary can heat transfer return circuit be four, and is in along the circumference equipartition in the thermal-arrest well.
The utility model discloses energy-conserving single well circulation heat transfer ground can air conditioning system under the condition that does not open the immersible pump, through supplementary ground can heat exchange with the heat pump in heat transfer circuit realization. Especially, when only a few rooms are cooled or are alternated in seasons, the cooling and heating effects can be achieved only by opening the control valve of the auxiliary geothermal energy heat exchange loop and starting the secondary water pump of the corresponding room without too much heat exchange, the energy consumption caused by starting the high-power submersible pump is effectively reduced, the use cost of customers is saved, and the structure is simple and easy to operate.
The energy-saving single-well circulating heat exchange geothermal energy air conditioning system of the utility model is further explained with the attached drawings.
Drawings
FIG. 1 is a schematic diagram of the energy-saving single-well circulating heat exchange geothermal energy air conditioning system of the present invention;
fig. 2 is the working principle diagram of the collection well of the energy-saving single-well circulating heat exchange geothermal energy air conditioning system for the collection well with heat exchange particles.
Detailed Description
As shown in fig. 1, the energy-saving single-well circulating heat exchange geothermal energy air conditioning system of the present invention comprises a geothermal energy heat exchange loop 2, a heat exchanger 1, a heat transfer loop 3 and a plurality of heat pumps 334 which are connected in series in sequence. The geothermal energy heat exchange loop 2 is connected with the energy input end of the heat exchanger 1 in series, and the heat transfer loop 3 is connected with the energy output end of the heat exchanger 1 in series. The heat transfer circuit 3 includes a main water supply pipe 31 and a main water return pipe 32, and a plurality of branch pipes 33 connected between the main water supply pipe and the main water return pipe, and each branch pipe 33 is provided with a secondary water pump 333 and a heat pump 334. The geothermal heat exchange loop 2 is arranged inside the heat collecting well 5 and comprises a submersible pump 21, a water supply pipe 22 and a water return pipe 23. The heat collecting well 5 is also internally provided with four auxiliary geothermal energy heat exchange loops 4 which are connected in parallel on the heat transfer loop 3 and made of U-shaped tubes, and the four auxiliary geothermal energy heat exchange loops 4 are uniformly distributed in the heat collecting well 5 along the circumferential direction. The four auxiliary geothermal energy heat exchange loops 4 are connected in parallel to form a total auxiliary water supply pipe 41 and an auxiliary water return pipe 42. An auxiliary water supply port of the auxiliary water supply pipe 41 is connected to the main water supply pipe 31 in the heat transfer circuit 3, an auxiliary water return port of the auxiliary water return pipe 42 is connected to the main water return pipe 32 of the heat transfer circuit 3, the auxiliary water supply pipe 41 and the auxiliary water return pipe 42 of the auxiliary geothermal energy heat exchange circuit 4 are provided with an auxiliary water supply control valve 44 and an auxiliary water return control valve 45, respectively, the main water supply pipe 31 and the main water return pipe 32 are provided with a main water supply control valve 36 and a main water return control valve 37, respectively, the main water supply control valve 36 is located between the water supply port of the auxiliary geothermal energy heat exchange circuit 4 and the heat exchanger 1, and the main water return control valve 37 is located between the water return port of the auxiliary. As shown in fig. 2, an inner well pipe 8 coaxial with the heat collecting well 5 is arranged in the heat collecting well 5, and heat exchange particles 9 are filled between the inner well pipe 8 and the wall of the heat collecting well 5, and the heat exchange particles 9 can further improve the heat exchange efficiency. The geothermal energy heat exchange loop 2 is positioned in the inner well pipe 5, the transverse partition plate 6 is arranged in the inner well pipe 5, the pipe wall of the inner well pipe 5 positioned at the upper part and the lower part of the transverse partition plate 6 is provided with water permeable holes, the submersible pump 21 in the geothermal energy heat exchange loop 2 is arranged below the partition plate 6, the water return port of the water return pipe 23 in the geothermal energy heat exchange loop 2 is positioned above the partition plate 6, the vertical pipe of the auxiliary geothermal energy heat exchange loop 4 is arranged in the filling layer of the heat exchange particles 9, and the heat exchange efficiency of the auxiliary geothermal energy heat exchange loop 4 can.
The utility model discloses energy-conserving single well circulation heat transfer ground can air conditioning system's theory of operation is: when seasons alternate or only a small number of rooms need to be cooled and heated, only the auxiliary water supply control valve 44 and the auxiliary return water control valve 45 in the auxiliary geothermal energy heat exchange loop 4 need to be opened, and the secondary water pump 333 on the branch 33 corresponding to the room needing to be cooled and heated is opened, so that the auxiliary geothermal energy heat exchange loop 4 fully absorbs heat through the heat exchange particles 9 underground, and then the heat is transferred to the heat pump 334, and cooling and heating of the rooms are achieved. When the heat absorbed by the auxiliary geothermal heat exchange loop 4 underground cannot meet the temperature requirement in the room, the auxiliary water supply control valve 44 and the auxiliary return water control valve 45 are closed, the main water supply control valve 36 and the main return water control valve 37 are opened, the submersible pump 21 is started, the geothermal heat exchange loop 2 starts to work, the geothermal heat exchange loop 2 and the heat transfer loop 3 complete heat exchange in the heat exchanger 1, and then the heat is conveyed to the heat pump 334 connected with each branch 33 through each branch 33, so as to effectively meet the temperature requirement in the room. A temperature sensor (not shown) may be added to transmit a signal of the change of the indoor temperature to the submersible pump 21 and the controllers of the control valves, and the submersible pump 21 and the control valves are automatically opened according to the indoor temperature.
The utility model discloses energy-conserving single well circulation heat transfer ground can air conditioning system simple structure easily operates, can effectively reduce the unnecessary energy consumption, has reduced user's use cost, has realized the rational utilization ground energy, effective energy-conserving effect.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (3)

1. An energy-saving single-well circulating heat exchange geothermal air conditioning system comprises a geothermal energy heat exchange loop (2), a heat exchanger (1), a heat transfer loop (3) and a plurality of heat pumps (334) which are sequentially connected in series, wherein the geothermal energy heat exchange loop (2) is arranged in a heat collection well (5), the energy-saving single-well circulating heat exchange geothermal air conditioning system is characterized in that at least one auxiliary geothermal energy heat exchange loop (4) which is made of a U-shaped pipe and is connected with the heat transfer loop (3) in parallel is further arranged in the heat collection well (5), a water supply port and a water return port of the auxiliary geothermal energy heat exchange loop (4) are respectively connected with a main water supply pipe (31) and a main water return pipe (32) of the heat transfer loop (3), an auxiliary water supply control valve (44) and an auxiliary water return control valve (45) are respectively arranged on an auxiliary water supply pipe (41) and an auxiliary water return pipe (42) of the auxiliary geothermal energy heat exchange loop (4), and a main water supply valve (36) and a main water return control valve ( ) The main water supply control valve (36) is located between the water supply port of the auxiliary heat-exchangeable circuit (4) and the heat exchanger (1), and the main water return control valve (37) is located between the water return port of the auxiliary heat-exchangeable circuit (4) and the heat exchanger (1).
2. The energy-saving single-well circulating heat exchange geothermal energy air conditioning system according to claim 1, wherein: the heat collecting well is characterized in that an inner well pipe (8) coaxial with the heat collecting well (5) is arranged in the heat collecting well, heat exchange particles (9) are filled between the inner well pipe (8) and the wall of the heat collecting well (5), a geothermal heat exchange loop (2) in the heat collecting well (5) is located in the inner well pipe (8), a transverse partition plate (6) is arranged in the inner well pipe (8), water permeable holes are formed in the pipe walls of the inner well pipe (8) located on the upper portion and the lower portion of the transverse partition plate (6), a submersible pump (21) in the geothermal heat exchange loop (2) is arranged below the partition plate (6), a water return port of a water return pipe (23) in the geothermal heat exchange loop (2) is located above the partition plate (6), and an auxiliary geothermal heat exchange loop (4) is arranged in a filling layer of the heat exchange particles (9).
3. The energy-saving single-well circulating heat exchange geothermal energy air conditioning system according to claim 2, wherein: the auxiliary geothermal energy heat exchange loops (4) are four and are uniformly distributed in the heat collecting well (5) along the circumferential direction.
CN201922202716.0U 2019-12-10 2019-12-10 Energy-saving single-well circulating heat exchange geothermal energy air conditioning system Active CN211600967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922202716.0U CN211600967U (en) 2019-12-10 2019-12-10 Energy-saving single-well circulating heat exchange geothermal energy air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922202716.0U CN211600967U (en) 2019-12-10 2019-12-10 Energy-saving single-well circulating heat exchange geothermal energy air conditioning system

Publications (1)

Publication Number Publication Date
CN211600967U true CN211600967U (en) 2020-09-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922202716.0U Active CN211600967U (en) 2019-12-10 2019-12-10 Energy-saving single-well circulating heat exchange geothermal energy air conditioning system

Country Status (1)

Country Link
CN (1) CN211600967U (en)

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GR01 Patent grant
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Effective date of registration: 20201130

Address after: 100093, Beijing, Haidian District apricot Road No. 102

Patentee after: Ruicheng Technology Development Group Ltd.

Address before: 100093, Beijing, Haidian District apricot Road No. 102

Patentee before: Xu Shengheng