CN214792019U - Ground heat pump system for ground source of buried pipe - Google Patents
Ground heat pump system for ground source of buried pipe Download PDFInfo
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- CN214792019U CN214792019U CN202121253235.3U CN202121253235U CN214792019U CN 214792019 U CN214792019 U CN 214792019U CN 202121253235 U CN202121253235 U CN 202121253235U CN 214792019 U CN214792019 U CN 214792019U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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Abstract
The utility model discloses a ground heat pump system with ground buried pipe, including ground buried pipe mechanism, the auxiliary heating mechanism, auxiliary refrigeration mechanism and ground source side heat exchanger, ground buried pipe mechanism includes single U type buried pipe, water knockout drum and water collector, the entry of water knockout drum and the side export connection that inclines of ground source side heat exchanger, the export of water collector is respectively through first play water pipe part, second play water pipe part and third play water pipe part and the side entry linkage that inclines of ground source side heat exchanger, the auxiliary heating mechanism is located second play water pipe part, the auxiliary refrigeration mechanism is located third play water pipe part, the side export of ground source side heat exchanger inclines through the imported connection of wet return part and water collector. The utility model discloses simple structure realizes cooling in summer and heating in winter, and can avoid the waste of the energy according to the required load adjustment of building indoor system, makes equipment high efficiency, steady operation.
Description
Technical Field
The utility model belongs to the technical field of the ground source heat pump system, especially, relate to a ground buried pipe ground source heat pump system.
Background
With the improvement of energy-saving and environment-friendly requirements, the ground source heat pump system has the advantages of sustainable utilization, high efficiency, energy conservation, low operation cost and the like, and the high-efficiency energy-saving air conditioning system capable of supplying heat or refrigerating is gradually and widely applied. At present, the heat pump system is divided into a ground pipe ground source heat pump system, a ground water ground source heat pump system and a surface water ground source heat pump system according to different geothermal energy exchange forms. However, the existing buried pipe ground source heat pump system has the following problems:
firstly, the buried pipe ground source heat pump system can not effectively adapt to the condition that the loads required by the system in a building room are different only by utilizing the heat exchange of the buried pipe;
secondly, the ground source heat pump system function is more single, and summer cooling or winter heat supply when long-time incessant energy supply in addition, lead to around the cold and hot unbalance of soil layer easily, influence the energy supply quality.
Therefore, a buried pipe ground source heat pump system with a simple structure and a reasonable design is needed nowadays, so that summer cooling and winter heating are realized, the energy waste is avoided according to the load adjustment required by a building indoor system, and the efficient and stable operation of equipment is promoted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in to the not enough among the above-mentioned prior art, provide a buried pipe ground source heat pump system, its simple structure, reasonable in design realizes supplying cold and heating in winter summer, and can avoid the waste of the energy according to the required load adjustment of building indoor system, makes equipment high efficiency, steady operation.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a ground buried pipe ground source heat pump system which characterized in that: the ground source side heat exchanger is connected with the ground pipe burying mechanism, the auxiliary heating mechanism and the auxiliary refrigerating mechanism;
the buried pipe mechanism comprises a plurality of single U-shaped buried pipes vertically buried in a soil layer, a water distributor connected with a water return port of each single U-shaped buried pipe and a water collector connected with a water outlet of each single U-shaped buried pipe, wherein an inlet of the water distributor is connected with a primary side outlet of the ground source side heat exchanger, an outlet of the water collector is connected with a primary side inlet of the ground source side heat exchanger through a first water outlet pipe component, a second water outlet pipe component and a third water outlet pipe component respectively, the auxiliary heating mechanism is positioned on the second water outlet pipe component, the auxiliary refrigerating mechanism is positioned on the third water outlet pipe component, and a primary side outlet of the ground source side heat exchanger is connected with an inlet of the water distributor through a water return pipe component.
The buried pipe ground source heat pump system is characterized in that: the first water outlet pipe part comprises a first water outlet pipe and a first valve arranged on the first water outlet pipe, the second water outlet pipe part comprises a second water outlet pipe and a second valve arranged on the second water outlet pipe, and the third water outlet pipe part comprises a third water outlet pipe and a third valve arranged on the third water outlet pipe.
The buried pipe ground source heat pump system is characterized in that: the auxiliary heating mechanism comprises an outer box body and a hot water tank which is arranged in the outer box body and used for recovering domestic hot water, a heating pipe is arranged in the hot water tank, the second water outlet pipe penetrates through a cavity between the outer box body and the hot water tank, and one end of the second water outlet pipe, which extends out of the outer box body, is connected with the water collector;
the side upper portion of hot-water tank is connected with the overflow pipe, the overflow pipe is connected with the drain tank, be provided with the filter screen in the top surface of hot-water tank, the heating pipe passes the filter screen and stretches into in the hot-water tank.
The buried pipe ground source heat pump system is characterized in that: the auxiliary refrigeration mechanism comprises a cooler, the third water outlet pipe comprises a third left water outlet pipe and a third right water outlet pipe, one end of the third left water outlet pipe is connected with an inlet of the cooler, one end of the third right water outlet pipe is connected with an outlet of the cooler, the other end of the third left water outlet pipe is connected with a water collector, the other end of the third right water outlet pipe is connected with a primary side inlet of the ground source side heat exchanger, and the third valve is located on the third left water outlet pipe.
The buried pipe ground source heat pump system is characterized in that: the water return pipe component comprises a water return pipe, a water return valve and a first water pump, the water return valve and the first water pump are arranged on the water return pipe, a second water pump is arranged on the second water outlet pipe, the second water pump is located between primary side inlets of the auxiliary heating mechanism and the ground source side heat exchanger, a third water pump is arranged on the third water outlet pipe, and the third water pump is located between primary side inlets of the auxiliary refrigeration mechanism and the ground source side heat exchanger.
The buried pipe ground source heat pump system is characterized in that: the outlet of the water collector is connected with a main water outlet pipe, and the outlet end of the main water outlet pipe, the inlet end of the first water outlet pipe, the inlet end of the second water outlet pipe and the inlet end of the third water outlet pipe are all connected with a first four-way valve;
the outlet end of the first water outlet pipe, the outlet end of the second water outlet pipe, the outlet end of the third water outlet pipe and the primary side inlet of the ground source side heat exchanger are all connected with a second four-way valve.
Compared with the prior art, the utility model has the following advantage:
1. simple structure, reasonable in design and simple and convenient, the input cost is lower in the installation.
2. The utility model discloses set up auxiliary heating mechanism, be for retrieving life hot water, make full use of life hot water waste heat heats to supplementary buried pipe heats, reduces the energy consumption, realizes the heat supply in winter.
3. The utility model discloses set up supplementary refrigeration mechanism, in order to assist the ground pipe laying refrigeration, improve refrigeration effect, realize the cooling in summer.
4. The utility model discloses set up auxiliary heating mechanism and supplementary refrigeration mechanism to cooperation buried pipe heat transfer avoids buried pipe heat release and endothermic unbalance to arouse system efficiency to reduce.
5. The utility model is provided with a first water outlet pipe component, a second water outlet pipe component and a third water outlet pipe component, and the first water outlet pipe component is used for heat exchange only by utilizing the buried pipe through the first water outlet pipe component when the cold load and the heat load required by the system in the building room are small; the second water outlet pipe part is arranged for absorbing heat by utilizing the buried pipe and the recovered domestic hot water when the heat load required by the system in the building is large, so that the heating efficiency is improved, and the energy conservation is ensured; the third water outlet pipe part is arranged for refrigerating by using the buried pipe and the cooler when the cold load required by the building indoor system is large, so that the refrigerating efficiency is improved, and the adjustment is performed according to the building indoor system.
To sum up, the utility model discloses simple structure, reasonable in design realizes supplying cold and heat supply winter in summer, and can avoid the waste of the energy according to the required load adjustment of building indoor system, makes equipment high efficiency, steady operation.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the auxiliary heating mechanism of the present invention.
Description of reference numerals:
1-3 — a first valve; 1-6-a first water outlet pipe; 2-a second water pump;
2-3 — a second valve; 2-6-a second water outlet pipe; 2-outer box body;
3-1-a cooler; 3-2-a third water pump;
3-third valve; 3-6-a third water outlet pipe; 4-2 — a first water pump;
4-3-water return valve; 4-6-a water return pipe; 6-hot water tank;
6-1-overflow pipe; 6-2-a drainage tank; 6-3-a filter screen;
7-heating pipe; 8-a first four-way valve; 9-a second four-way valve;
11-ground source side heat exchanger; 13-a water collector; 15-single U-shaped buried pipe;
16-soil layer; 17-a water separator; and 18-a water outlet main pipe.
Detailed Description
As shown in fig. 1 and fig. 2, the present invention comprises a ground pipe laying mechanism, an auxiliary heating mechanism, an auxiliary refrigerating mechanism and a ground source side heat exchanger 11, wherein the ground pipe laying mechanism, the auxiliary heating mechanism and the auxiliary refrigerating mechanism are all connected with the ground source side heat exchanger 11;
the buried pipe mechanism comprises a plurality of single U-shaped buried pipes 15 vertically buried in a soil layer 16, a water separator 17 connected with a water return port of each single U-shaped buried pipe 15 and a water collector 13 connected with a water outlet of each single U-shaped buried pipe 15, wherein an inlet of the water separator 17 is connected with a primary side outlet of the ground source side heat exchanger 11, an outlet of the water collector 13 is connected with a primary side inlet of the ground source side heat exchanger 11 through a first water outlet pipe component, a second water outlet pipe component and a third water outlet pipe component respectively, the auxiliary heating mechanism is positioned on the second water outlet pipe component, the auxiliary refrigerating mechanism is positioned on the third water outlet pipe component, and a primary side outlet of the ground source side heat exchanger 11 is connected with an inlet of the water separator 17 through a water return pipe component.
In this embodiment, the first water outlet pipe part includes a first water outlet pipe 1-6 and a first valve 1-3 disposed on the first water outlet pipe 1-6, the second water outlet pipe part includes a second water outlet pipe 2-6 and a second valve 2-3 disposed on the second water outlet pipe 2-6, and the third water outlet pipe part includes a third water outlet pipe 3-6 and a third valve 3-3 disposed on the third water outlet pipe 3-6.
As shown in fig. 2, in this embodiment, the auxiliary heating mechanism includes an outer box 2 and a hot water tank 6 disposed in the outer box 2 and used for recovering domestic hot water, a heating pipe 7 is disposed in the hot water tank 6, the second water outlet pipe 2-6 penetrates through a cavity between the outer box 2 and the hot water tank 6, and one end of the second water outlet pipe 2-6 extending out of the outer box 2 is connected to a water collector 13;
the upper portion of the side face of the hot water tank 6 is connected with an overflow pipe 6-1, the overflow pipe 6-1 is connected with a drainage tank 6-2, a filter screen 6-3 is arranged in the top face of the hot water tank 6, and the heating pipe 7 penetrates through the filter screen 6-3 and extends into the hot water tank 6.
In this embodiment, the auxiliary refrigeration mechanism includes a cooler 3-1, the third water outlet pipe 3-6 includes a third left water outlet pipe and a third right water outlet pipe, one end of the third left water outlet pipe is connected to an inlet of the cooler 3-1, one end of the third right water outlet pipe is connected to an outlet of the cooler 3-1, the other end of the third left water outlet pipe is connected to a water collector 13, the other end of the third right water outlet pipe is connected to a primary side inlet of the ground source side heat exchanger 11, and the third valve 3-3 is located on the third left water outlet pipe.
In this embodiment, the water return pipe component includes a water return pipe 4-6, and a water return valve 4-3 and a first water pump 4-2 that are disposed on the water return pipe 4-6, the second water outlet pipe 2-6 is provided with a second water pump 2-2, the second water pump 2-2 is located between the auxiliary heating mechanism and the primary side inlet of the ground source side heat exchanger 11, the third water outlet pipe 3-6 is provided with a third water pump 3-2, and the third water pump 3-2 is located between the auxiliary cooling mechanism and the primary side inlet of the ground source side heat exchanger 11.
In this embodiment, the outlet of the water collector 13 is connected to a total water outlet pipe 18, and the outlet end of the total water outlet pipe 18, the inlet ends of the first water outlet pipes 1 to 6, the inlet ends of the second water outlet pipes 2 to 6, and the inlet ends of the third water outlet pipes 3 to 6 are all connected to a first four-way valve 8;
the outlet ends of the first water outlet pipes 1-6, the outlet ends of the second water outlet pipes 2-6, the outlet ends of the third water outlet pipes 3-6 and the primary side inlet of the ground source side heat exchanger 11 are all connected with a second four-way valve 9.
In this embodiment, the heat release and the heat extraction accumulated to the soil layer in winter and summer by the heat exchange of the buried pipes are not always equal, so that the cold and heat imbalance of the underground soil layer is caused, and therefore the auxiliary heating mechanism and the auxiliary refrigerating mechanism are arranged to ensure the long-term operation stability of the whole system.
In this embodiment, the first water pump 4-2 is arranged to convey and pressurize the return water of the return pipe 4-6, and the return water can enter the single U-shaped buried pipe 15 to perform a fluid conveying function.
In this embodiment, the second water pump 2-2 and the third water pump 3-2 are arranged to convey the effluent of the second water outlet pipe 2-6 and the effluent of the third water outlet pipe 3-6, so as to ensure that the effluent in the single U-shaped buried pipe 15 after heat exchange in the soil layer enters the ground source side heat exchanger 11 for heating or cooling.
In this embodiment, the heating pipe 7 may refer to an HQDRG electric heating pipe.
In this embodiment, the heating pipe 7 is arranged to heat the domestic hot water recovered from the hot water tank 6, so as to improve the heat exchange efficiency between the domestic hot water recovered from the hot water tank 6 and the water in the second water outlet pipe 2-6, and ensure that the water temperature in the second water outlet pipe 2-6 meets the heat load requirement required by the building indoor system.
In this embodiment, the third water pump 3-2 is located on the third left water outlet pipe.
When the utility model is used specifically, when the cold load and the heat load required by the system in the building house are small, the first valve 1-3 and the return water valve 4-3 are operated to be opened, the first water pump 4-2 works, the return water passing through the ground source side heat exchanger 11 is respectively conveyed to each single U-shaped buried pipe 15 through the return water pipe 4-6 and the water separator 17, the soil layer is utilized to make the return water in the single U-shaped buried pipe 15 release heat or absorb heat, the outlet water in each single U-shaped buried pipe 15 is collected through the water collector 163 and is conveyed to the inlet water of the ground source side heat exchanger 11 through the first outlet pipe 1-6, thereby the secondary side water supply of the ground source side heat exchanger 11 is subjected to heat exchange, the refrigeration or the heating of the secondary side water supply of the ground source side heat exchanger 11 is realized, and the cold load and the heat load required by the system in the building house are further realized;
when the first water outlet pipe 1-6 works, when the heat load required by a system in a building is large and the temperature of the first water outlet does not meet the heating requirement, the first valve 1-3 is operated to be closed, the second valve 2-3 is opened, the water outlet of each single U-shaped buried pipe 15 is collected by the water collector 163 and passes through the second water outlet pipe 2-6, and in the process of passing through the second water outlet pipe 2-6, domestic hot water is recovered from the hot water tank 6 and the water in the second water outlet pipe 2-6 is subjected to heat exchange, so that the water in the second water outlet pipe 2-6 further absorbs heat until the water temperature in the second water outlet pipe 2-6 meets the heat load requirement;
when the cold load required by the system in the building house is large and the first water outlet temperature does not meet the refrigeration requirement, the first valve 1-3 is operated to be closed, the third valve 3-3 is opened, the water outlet in each single U-shaped buried pipe 15 is collected through the water collector 163 and flows through the third water outlet pipe 3-6, and in the process of flowing through the third water outlet pipe 3-6, the water in the cooler 3-1 and the water in the third water outlet pipe 3-6 exchange heat to further release heat of the water in the second water outlet pipe 2-6 until the water temperature in the second water outlet pipe 2-6 meets the cold load requirement.
To sum up, the utility model discloses simple structure, reasonable in design realizes supplying cold and heat supply winter in summer, and can avoid the waste of the energy according to the required load adjustment of building indoor system, makes equipment high efficiency, steady operation.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (6)
1. The utility model provides a ground buried pipe ground source heat pump system which characterized in that: the ground source heat exchanger comprises a ground pipe burying mechanism, an auxiliary heating mechanism, an auxiliary refrigerating mechanism and a ground source side heat exchanger (11), wherein the ground pipe burying mechanism, the auxiliary heating mechanism and the auxiliary refrigerating mechanism are all connected with the ground source side heat exchanger (11);
the buried pipe mechanism comprises a plurality of single U-shaped buried pipes (15) vertically buried in a soil layer (16), water distributors (17) connected with water return ports of the single U-shaped buried pipes (15) and water collectors (13) connected with water outlets of the single U-shaped buried pipes (15), inlets of the water distributors (17) are connected with primary side outlets of the ground source side heat exchangers (11), outlets of the water collectors (13) are connected with primary side inlets of the ground source side heat exchangers (11) through first water outlet pipe parts, second water outlet pipe parts and third water outlet pipe parts respectively, the auxiliary heating mechanism is located on the second water outlet pipe parts, the auxiliary refrigerating mechanism is located on the third water outlet pipe parts, and primary side outlets of the ground source side heat exchangers (11) are connected with inlets of the water distributors (17) through water return pipes.
2. A buried pipe ground source heat pump system according to claim 1, characterized in that: the first water outlet pipe part comprises first water outlet pipes (1-6) and first valves (1-3) arranged on the first water outlet pipes (1-6), the second water outlet pipe part comprises second water outlet pipes (2-6) and second valves (2-3) arranged on the second water outlet pipes (2-6), and the third water outlet pipe part comprises third water outlet pipes (3-6) and third valves (3-3) arranged on the third water outlet pipes (3-6).
3. A buried pipe ground source heat pump system according to claim 2, wherein: the auxiliary heating mechanism comprises an outer box body (2) and a hot water tank (6) which is arranged in the outer box body (2) and used for recovering domestic hot water, a heating pipe (7) is arranged in the hot water tank (6), a second water outlet pipe (2-6) penetrates through a cavity between the outer box body (2) and the hot water tank (6), and one end, extending out of the outer box body (2), of the second water outlet pipe (2-6) is connected with a water collector (13);
the water heater is characterized in that an overflow pipe (6-1) is connected to the upper portion of the side face of the hot water tank (6), the overflow pipe (6-1) is connected with a drainage tank (6-2), a filter screen (6-3) is arranged in the top face of the hot water tank (6), and the heating pipe (7) penetrates through the filter screen (6-3) and extends into the hot water tank (6).
4. A buried pipe ground source heat pump system according to claim 2, wherein: the auxiliary refrigeration mechanism comprises a cooler (3-1), the third water outlet pipe (3-6) comprises a third left water outlet pipe and a third right water outlet pipe, one end of the third left water outlet pipe is connected with an inlet of the cooler (3-1), one end of the third right water outlet pipe is connected with an outlet of the cooler (3-1), the other end of the third left water outlet pipe is connected with a water collector (13), the other end of the third right water outlet pipe is connected with a primary side inlet of the ground source side heat exchanger (11), and the third valve (3-3) is located on the third left water outlet pipe.
5. A buried pipe ground source heat pump system according to claim 2, wherein: the water return pipe part comprises a water return pipe (4-6), a water return valve (4-3) and a first water pump (4-2), the water return valve (4-3) and the first water pump (4-2) are arranged on the water return pipe (4-6), the second water pump (2-2) is arranged on the second water outlet pipe (2-6), the second water pump (2-2) is located between the auxiliary heating mechanism and a primary side inlet of the ground source side heat exchanger (11), the third water outlet pipe (3-6) is provided with a third water pump (3-2), and the third water pump (3-2) is located between the auxiliary refrigerating mechanism and the primary side inlet of the ground source side heat exchanger (11).
6. A buried pipe ground source heat pump system according to claim 2, wherein: an outlet of the water collector (13) is connected with a total water outlet pipe (18), and an outlet end of the total water outlet pipe (18), an inlet end of the first water outlet pipe (1-6), an inlet end of the second water outlet pipe (2-6) and an inlet end of the third water outlet pipe (3-6) are connected with a first four-way valve (8);
the outlet ends of the first water outlet pipes (1-6), the outlet ends of the second water outlet pipes (2-6), the outlet ends of the third water outlet pipes (3-6) and the primary side inlet of the ground source side heat exchanger (11) are connected with a second four-way valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253235.3U CN214792019U (en) | 2021-06-04 | 2021-06-04 | Ground heat pump system for ground source of buried pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253235.3U CN214792019U (en) | 2021-06-04 | 2021-06-04 | Ground heat pump system for ground source of buried pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214792019U true CN214792019U (en) | 2021-11-19 |
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ID=78701336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121253235.3U Active CN214792019U (en) | 2021-06-04 | 2021-06-04 | Ground heat pump system for ground source of buried pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214792019U (en) |
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2021
- 2021-06-04 CN CN202121253235.3U patent/CN214792019U/en active Active
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