CN207438693U - A kind of underground heat household heating gradient utilization system - Google Patents

A kind of underground heat household heating gradient utilization system Download PDF

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Publication number
CN207438693U
CN207438693U CN201721260564.4U CN201721260564U CN207438693U CN 207438693 U CN207438693 U CN 207438693U CN 201721260564 U CN201721260564 U CN 201721260564U CN 207438693 U CN207438693 U CN 207438693U
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China
Prior art keywords
heat
water
heat exchanger
pipeline
heating
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CN201721260564.4U
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辛守良
豆惠萍
辛骜
张晶
刘洁凡
任建宇
王艺
王虹
王家立
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Abstract

The utility model discloses a kind of underground heat household heating gradient utilization systems, belong to the efficient cascade utilization field of underground heat.Specifically, the gradient utilization system is set to include underground heat water pipeline, the First Heat Exchanger and the second heat exchanger being connected in turn on the underground heat water pipeline;The First Heat Exchanger is connected with the first heating terminal system, and second heat exchanger is connected with the second heating terminal system, and is provided with heat pump system between second heat exchanger and the second heating terminal system.The higher GEOTHERMAL WATER of the temperature of extraction is directly used in heating by the utility model, and after the reduction of GEOTHERMAL WATER heat-exchange temperature, energy in the higher GEOTHERMAL WATER of outer row's temperature is extracted using heat pump system, be further used for heating terminal or other need the terminal device of heat, so as to fulfill geothermal energy resources cascade utilization.The system not only takes full advantage of heat in extraction thermal water resource, saves exploitation underground heat hot water amount, and environmental protection also reduces the geothermal heating systems initial investments such as drilling well investment.

Description

A kind of underground heat household heating gradient utilization system
Technical field
The utility model is related to the efficient cascade utilization field of underground heat, more particularly to a kind of underground heat household heating cascade utilization system System.
Background technology
GEOTHERMAL WATER heat supply is the heat-supplying mode using geothermal water as heat source, compared to other energy heat supplies, has and saves ore deposit Object fuel and the special advantage for not causing urban atmospheric pollution as a kind of alternative new energy, are widely used in In urban gertherm heating.
At present, using direct heating, that is, the GEOTHERMAL WATER extracted out heats geothermal water heating through heat exchanger to heating terminal, and The directly outer row of GEOTHERMAL WATER after heat exchange or re-injection are into stratum.
In the process of implementing the utility model, designer has found that the prior art has at least the following problems:After heat exchange The temperature of GEOTHERMAL WATER is higher, on the one hand into stratum the directly outer row of the higher GEOTHERMAL WATER of temperature or re-injection can be caused geothermal energy resources Waste, heating demands could be met by the other hand needing to drill more wells, increase the economic initial investment of heating.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of civilian confession of underground heat that can make full use of geothermal energy resources Warm gradient utilization system.
Specifically, including following technical solution:
A kind of underground heat household heating gradient utilization system including underground heat water pipeline, is connected to the underground heat water pipeline in turn On First Heat Exchanger and the second heat exchanger;
The First Heat Exchanger is connected with the first heating terminal system,
Second heat exchanger is connected with the second heating terminal system, and second heat exchanger and the described second heating are whole Heat pump system is provided between end system.
Further, it is also associated with bath system in the second heating terminal system.
Preferably, the underground heat water pipeline include be connected with the First Heat Exchanger GEOTHERMAL WATER back with water inlet line, with it is described The GEOTHERMAL WATER water outlet pipeline of second heat exchanger connection and the GEOTHERMAL WATER for connecting the First Heat Exchanger and second heat exchanger Feed-line;And
It is set respectively on the GEOTHERMAL WATER back with water inlet line, the GEOTHERMAL WATER feed-line and the GEOTHERMAL WATER water outlet pipeline There is control valve.
Preferably, the first heating terminal system includes the first user heating terminal device and connection described first The first user's back with water inlet line and first user's water outlet pipeline of heat exchanger and first user heating terminal device;And
Control valve is respectively arranged in the first user back with water inlet line and the first user water outlet pipeline.
Preferably, the heat pump system include heat pump and connect second heat exchanger and the heat pump into heat pump Water pipeline and go out heat pump water pipeline;And
It is described into heat pump water pipeline and it is described go out heat pump water pipeline on be respectively arranged with control valve.
Preferably, the second heating terminal system includes second user heating terminal device and connection described second Heat exchanger and the second user heating second user back with water inlet line of terminal device and second user water outlet pipeline;And
Control valve is respectively arranged in the second user back with water inlet line and the second user water outlet pipeline.
Preferably, the bath system includes bath center equipment and into bath center pipeline;It is described to be managed into bath center One end of line connects the bath center equipment, and the other end connects the second user back with water inlet line;And
Described into being provided with control valve on the pipeline of bath center.
Preferably, the First Heat Exchanger is high-temperature anticorrosion plate heat exchanger.
Preferably, second heat exchanger is plate heat exchanger.
The advantageous effect of technical solution that the utility model embodiment provides is:Underground heat can be made full use of by providing one kind The underground heat household heating gradient utilization system of resource.Specifically, the gradient utilization system is set to include underground heat water pipeline, connect successively The First Heat Exchanger and the second heat exchanger being connected on the underground heat water pipeline;The First Heat Exchanger and the first heating terminal system Connection, second heat exchanger are connected with the second heating terminal system, and second heat exchanger and the described second heating terminal Heat pump system is provided between system.The higher GEOTHERMAL WATER of the temperature of extraction is directly used in heating by the utility model, and on ground After hot water heat-exchange temperature reduces, the energy in the higher GEOTHERMAL WATER of outer row's temperature is extracted using heat pump system, is further used for supplying Warm terminal or other need the terminal device of heat, so as to fulfill geothermal energy resources cascade utilization.The system not only takes full advantage of Heat in thermal water resource is produced, saves exploitation underground heat hot water amount, environmental protection also reduces the geothermal heating systems initial stages such as drilling well investment Investment.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of underground heat household heating gradient utilization system that the utility model embodiment provides.
Reference numeral in figure represents respectively:
1st, underground heat water pipeline;11st, GEOTHERMAL WATER back with water inlet line;12nd, GEOTHERMAL WATER feed-line;13rd, GEOTHERMAL WATER water outlet pipeline;
2nd, First Heat Exchanger;
3rd, the second heat exchanger;
4th, the first heating terminal system;41st, the first user heating terminal device;42nd, first user's back with water inlet line;43rd, One user's water outlet pipeline;
5th, the second heating terminal system;51st, second user heating terminal device;52nd, second user back with water inlet line;53rd, Two user's water outlet pipelines;
6th, heat pump system;61st, heat pump;62nd, into heat pump water pipeline;63rd, heat pump water pipeline is gone out;
7th, bath system;71st, bath center equipment;72nd, into bath center pipeline;
A-K, control valve.
Specific embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing Mode is described in further detail.
The utility model embodiment provides a kind of underground heat household heating gradient utilization system, as shown in Figure 1, the system includes Underground heat water pipeline 1,2 and second heat exchanger 3 of First Heat Exchanger being connected in turn on the underground heat water pipeline 1;
First Heat Exchanger 2 is connected with the first heating terminal system 4,
Second heat exchanger 3 is connected with the second heating terminal system 5, and the second heat exchanger 3 with second heat terminal system 5 it Between be provided with heat pump system 6.
It should be noted that heat pump system 6 is connected between the second heat exchanger 3 and the second heating terminal system 5, for carrying The heat of water after the heat exchange learnt from else's experience in the second heat exchanger 3, and by the heat transfer extracted to the second heating terminal system 5.In addition, the underground heat household heating gradient utilization system is primarily applicable for using underground heat as thermal source heated community, wherein, first The terminal system 4 and second that heats heating terminal system 5 can be civilian geothermal heating system.
The operation principle of underground heat household heating gradient utilization system that the utility model embodiment provides is:The underground heat of extraction Water is exchanged heat first by underground heat water pipeline 1 through First Heat Exchanger 2 and the first heating terminal system 4 so that the one of GEOTHERMAL WATER Partial heat is into the first heating terminal system 4, for civil heating;Then from the ground after the heat exchange that First Heat Exchanger 2 flows out Hot water continues through underground heat water pipeline 1 and enters the second heat exchanger 3, and heat pump system 6 is connected with the second heat exchanger 3, is passed through for extracting Cross the heat of the water after the heat exchange in the second heat exchanger 3, and by the heat transfer extracted to the second heating terminal system 5, into One step, which is used for heating or other, needs the terminal device of heat, then will arrange or return outside the GEOTHERMAL WATER flowed out through the second heat exchanger 3 It notes into stratum.
The higher GEOTHERMAL WATER of the temperature of extraction is directly used in by the underground heat household heating gradient utilization system of the utility model Heating, and after the reduction of GEOTHERMAL WATER heat-exchange temperature, the energy in the higher GEOTHERMAL WATER of outer row's temperature is extracted using heat pump system, into One step be used to heating terminal or other need the terminal device of heat, so as to fulfill geothermal energy resources cascade utilization.The system is not only Heat in extraction thermal water resource is taken full advantage of, saves exploitation underground heat hot water amount, environmental protection also reduces the ground such as drilling well investment Hot In The Initial Period Of Heating investment.
It in above-mentioned underground heat household heating gradient utilization system, in order to make full use of heat source, meets the needs of users, also It may be provided in the second heating terminal system 5 and be connected with bath system 7, so that a part of heat extracted by heat pump system 6 Amount is into bath system 7, for bathing.
Specifically, bath system 7 can be connected with the pipeline between the heating terminal system 5 of heat pump system 6 and second so that from The hot water that heat pump system 6 flows out is partly into the second heating terminal system 5, and for further heating, another part, which enters, to be washed Bath system 7, for bathing.
In above-mentioned underground heat household heating gradient utilization system, it is attached between each equipment by pipeline, in order to just In connection, can be configured hot water piping 1 includes the GEOTHERMAL WATER back with water inlet line 11 being connected with First Heat Exchanger 2 and the second heat exchanger 3 The GEOTHERMAL WATER water outlet pipeline 13 of connection and the GEOTHERMAL WATER feed-line 12 for connecting 2 and second heat exchanger 3 of First Heat Exchanger;And Control valve A, B, C are respectively arranged on GEOTHERMAL WATER back with water inlet line 11, GEOTHERMAL WATER feed-line 12 and GEOTHERMAL WATER water outlet pipeline 13, So that technical staff can pass through the operation or debugging of control valve A, B, C control system.
And preferably, GEOTHERMAL WATER back with water inlet line 11, GEOTHERMAL WATER feed-line 12 and GEOTHERMAL WATER water outlet pipeline 13 can be used The steel pipeline of diameter 219mm, wall thickness 6mm.
And since the length of GEOTHERMAL WATER feed-line 12 is longer, control valve K may further be provided, so that control valve B and K is controlling operation on the position of 2 and second heat exchanger 3 of First Heat Exchanger respectively.
In above-mentioned underground heat household heating gradient utilization system, between the first heating terminal system 4 and First Heat Exchanger 2 It is connected by pipeloop.Specifically, can set the first heating terminal system 4 include the first user heat terminal device 41, with And the first user's back with water inlet line 42 and first user's outlet pipe of connection First Heat Exchanger 2 and first user heating terminal device 41 Line 43;And first is respectively arranged with control valve D, E on user's back with water inlet line 42 and first user's water outlet pipeline 43 so that technology Personnel can pass through the operation or debugging of control valve D, E control system.
And preferably, a diameter of 159mm, wall can be used in first user's back with water inlet line 42 and first user's water outlet pipeline 43 Thickness is the steel pipeline of 5mm.
In above-mentioned underground heat household heating gradient utilization system, pass through Xun Huan between 6 and second heat exchanger 3 of heat pump system Pipeline connects.Specifically, can set heat pump system 6 include heat pump 61 and connect the second heat exchanger 3 and heat pump 61 into heat pump Water pipeline 62 and go out heat pump water pipeline 63;And into heat pump water pipeline 62 and go out in heat pump water pipeline 63 to be respectively arranged with Control valve F, G so that technical staff can pass through the operation or debugging of control valve D, E control system.
Wherein, the specification of heat pump 61 can make choice with specific reference to water.
And preferably, into heat pump water pipeline 62 and go out heat pump water pipeline 63 a diameter of 63mm can be used, wall thickness is The steel pipeline of 5mm.
In above-mentioned underground heat household heating gradient utilization system, between the second heating 5 and second heat exchanger 3 of terminal system It is connected by pipeloop.Specifically, can set the second heating terminal system 5 include second user heating terminal device 51, with And connect the second heat exchanger 3 and the second user heating second user back with water inlet line 52 of terminal device 51 and second user outlet pipe Line 53;And it is respectively arranged with control valve H, I on second user back with water inlet line 52 and second user water outlet pipeline 53 so that technology Personnel can pass through the operation or debugging of control valve H, I control system.
And preferably, a diameter of 159mm, wall can be used in second user back with water inlet line 52 and second user water outlet pipeline 53 Thickness is the steel pipeline of 5mm.
In above-mentioned underground heat household heating gradient utilization system, bath system 7 passes through pipeline and the second heating terminal system 5 connection of system.Specifically, bath system 7 can be set to include bath center equipment 71 and into bath center pipeline 72;Into bath center One end connection bath center equipment 71 of pipeline 72, other end connection second user back with water inlet line 52;And into bath center pipeline Control valve J is provided on 72 so that technical staff can control the operation or debugging of bath system 7 by control valve J.
And preferably, a diameter of 159mm can be used into bath center pipeline 72, wall thickness is the steel pipeline of 5mm.
In above-mentioned underground heat household heating gradient utilization system, specific embodiment can be:
Control valve E, control valve D, control valve I and control valve H are opened successively first, to the first heating terminal system 4 and second heating terminal system 5 of system carries out examination water pressure testing;
After stable, control valve G is opened successively, control valve F debugs heat pump system 6;
Open control valve C, control valve K, control valve B, control valve A successively again, geothermal water heating is normally debugged Preliminary operation afterwards;
On the basis of stable and hot water is in liberal supply, control valve J is opened, carries out hot water bathing supply.
In above-mentioned underground heat household heating gradient utilization system, since the temperature of the GEOTHERMAL WATER of extraction is higher, and have Certain corrosivity, in order to prevent its destruction to First Heat Exchanger 2, it is preferable that it is high-temperature anticorrosion that can set First Heat Exchanger 2 Plate heat exchanger.Further, it is plate heat exchanger or high-temperature anticorrosion plate heat exchanger that can set the second heat exchanger 3.
The above is for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not to Limit the utility model.Within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made, It should be included within the scope of protection of this utility model.

Claims (9)

1. a kind of underground heat household heating gradient utilization system, which is characterized in that including underground heat water pipeline (1), be connected to institute in turn State the First Heat Exchanger (2) and the second heat exchanger (3) on underground heat water pipeline (1);
The First Heat Exchanger (2) is connected with the first heating terminal system (4),
Second heat exchanger (3) is connected with the second heating terminal system (5), and second heat exchanger (3) and described second Heat pump system (6) is provided between heating terminal system (5).
2. underground heat household heating gradient utilization system according to claim 1, which is characterized in that the second heating terminal Bath system (7) is also associated in system (5).
3. underground heat household heating gradient utilization system according to claim 1, which is characterized in that the underground heat water pipeline (1) include the GEOTHERMAL WATER back with water inlet line (11) being connected with the First Heat Exchanger (2), be connected with second heat exchanger (3) GEOTHERMAL WATER water outlet pipeline (13) and the GEOTHERMAL WATER delivery pipe of the connection First Heat Exchanger (2) and second heat exchanger (3) Line (12);And
On the GEOTHERMAL WATER back with water inlet line (11), the GEOTHERMAL WATER feed-line (12) and the GEOTHERMAL WATER water outlet pipeline (13) It is respectively arranged with control valve (A, B, C).
4. underground heat household heating gradient utilization system according to claim 1, which is characterized in that the first heating terminal System (4) includes the first user heating terminal device (41) and connects the First Heat Exchanger (2) and first user confession The first user's back with water inlet line (42) and first user's water outlet pipeline (43) of warm terminal device (41);And
Control valve is respectively arranged on the first user back with water inlet line (42) and the first user water outlet pipeline (43) (D、E)。
5. underground heat household heating gradient utilization system according to claim 1, which is characterized in that the heat pump system (6) Including heat pump (61) and connect second heat exchanger (3) and the heat pump (61) into heat pump water pipeline (62) and go out Heat pump water pipeline (63);And
It is described into heat pump water pipeline (62) and it is described go out heat pump water pipeline (63) on be respectively arranged with control valve (F, G)。
6. underground heat household heating gradient utilization system according to claim 2, which is characterized in that the second heating terminal System (5) includes second user heating terminal device (51) and connects second heat exchanger (3) and second user confession The warm second user back with water inlet line (52) of terminal device (51) and second user water outlet pipeline (53);And
Control valve is respectively arranged on the second user back with water inlet line (52) and the second user water outlet pipeline (53) (H、I)。
7. underground heat household heating gradient utilization system according to claim 6, which is characterized in that the bath system (7) Including bath center equipment (71) and into bath center pipeline (72);Described in one end connection into bath center pipeline (72) Bath center equipment (71), the other end connect the second user back with water inlet line (52);And
Described into being provided with control valve (J) on bath center pipeline (72).
8. according to claim 1-7 any one of them underground heat household heating gradient utilization systems, which is characterized in that described first Heat exchanger (2) is high-temperature anticorrosion plate heat exchanger.
9. according to claim 1-7 any one of them underground heat household heating gradient utilization systems, which is characterized in that described second Heat exchanger (3) is plate heat exchanger.
CN201721260564.4U 2017-09-28 2017-09-28 A kind of underground heat household heating gradient utilization system Active CN207438693U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109297077A (en) * 2018-09-03 2019-02-01 西安石油大学 A kind of hot heating system cascade utilization of mid-deep strata interference-free rock and monitoring system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109297077A (en) * 2018-09-03 2019-02-01 西安石油大学 A kind of hot heating system cascade utilization of mid-deep strata interference-free rock and monitoring system and method

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