CN209744487U - Geothermal and centralized heating combined heating system - Google Patents
Geothermal and centralized heating combined heating system Download PDFInfo
- Publication number
- CN209744487U CN209744487U CN201920270286.3U CN201920270286U CN209744487U CN 209744487 U CN209744487 U CN 209744487U CN 201920270286 U CN201920270286 U CN 201920270286U CN 209744487 U CN209744487 U CN 209744487U
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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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- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model discloses a geothermal and centralized heat supply combined heating system, which comprises a production well. The production well is connected to the water inlet of the cyclone desander, the water outlet of the cyclone desander is connected to the heat source inlet of the first-stage plate heat exchanger, the heat source outlet of the first-stage plate heat exchanger is connected to the heat source inlet of the second-stage plate heat exchanger, the cold source inlet of the second-stage plate heat exchanger is connected to the evaporator outlet of the heat pump unit through the second circulating pump, the cold source outlet of the second-stage plate heat exchanger is connected to the evaporator inlet of the heat pump unit, the water outlet of the centralized heat supply heat source is connected to the heat source inlet of the plate heat exchanger, and the water inlet of the centralized heat supply heat. The local heat and centralized heat supply combined heating system is simple in structure and convenient to operate, can realize the full coverage of a heating pipe network, solves the problem of insufficient heat sources in partial areas, can also realize the gradient utilization of geothermal water, and realizes the utilization of a low-temperature heat source.
Description
Technical Field
the utility model relates to a heat supply technical field, concretely relates to geothermol power and centralized heating combined heating system.
Background
At present, the main forms of urban heating comprise cogeneration, industrial waste heat, centralized boiler rooms and decentralized small boiler rooms, and the newly-added thermal power plants and large coal-fired boiler rooms cause environmental pollution problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, providing a geothermal and centralized heating combined heating system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The combined geothermal and centralized heat supply system comprises a production well, a filter, a recharge well, a recharge booster pump, a centralized heat supply source, a plate heat exchanger, a first circulating pump, a heat consumer, a heat pump unit, a second circulating pump, a second-stage plate heat exchanger, a first-stage plate heat exchanger, a cyclone sand remover and a heat supplementing boiler.
The production well is connected with a water inlet of the cyclone desander, a water outlet of the cyclone desander is connected with a heat source inlet of the first-stage plate heat exchanger, a heat source outlet of the first-stage plate heat exchanger is connected with a heat source inlet of the second-stage plate heat exchanger, a heat source outlet of the second-stage plate heat exchanger is connected with the recharging well through a recharging pressure pump and a filter in sequence, a cold source inlet of the second-stage plate heat exchanger is connected with an evaporator outlet of the heat pump unit through a second circulating pump, a cold source outlet of the second-stage plate heat exchanger is connected with an evaporator inlet of the heat pump unit, a water outlet of the centralized heat supply heat source is connected with a heat source inlet of the plate heat exchanger, a water inlet of the centralized heat supply heat source is connected with a heat source outlet of the plate heat exchanger, a cold source outlet of the plate, the outlet of the condenser of the heat pump unit, the outlet of the cold source of the first-level plate heat exchanger and the outlet of the heat supplementing boiler are both connected to the water inlet of the heat consumer, and the inlet of the condenser of the heat pump unit, the inlet of the cold source of the first-level plate heat exchanger and the water inlet of the heat supplementing boiler are both connected to the water return port of the heat consumer.
The utility model has the advantages that: simple structure, convenient operation, this system has add heat pump set behind second grade plate heat exchanger, the side of second grade plate heat exchanger is the low temperature water after the heat transfer of one-level plate heat exchanger, secondary side water gets into heat pump set, make geothermal water cascade utilization, realized the utilization of low temperature heat source, geothermal water returns the recharging well after giving out heat in one-level plate heat exchanger and second grade plate heat exchanger, can keep the unlikely decline of underground water-containing stratum water level, the pipe network total coverage can be realized to geothermol power and the joint heat supply of concentrated heat supply, solve the not enough problem of partial regional heat source.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the system comprises a production well, 2, a filter, 3, a recharge well, 4, a recharge booster pump, 5, a centralized heat supply source, 6, a plate heat exchanger, 7, a first circulating pump, 8, a heat consumer, 9, a heat pump unit, 10, a second circulating pump, 11, a second-stage plate heat exchanger, 12, a first-stage plate heat exchanger, 13, a cyclone desander, 14 and a heat supplementing boiler.
Detailed Description
the following examples are presented to enable those skilled in the art to more fully understand the present invention, but are not intended to limit the invention in any way.
As shown in fig. 1, the geothermal and centralized heat supply combined heat supply system comprises a production well 1, a filter 2, a recharge well 3, a recharge booster pump 4, a centralized heat supply source 5, a plate heat exchanger 6, a first circulating pump 7, a heat consumer 8, a heat pump unit 9, a second circulating pump 10, a second-stage plate heat exchanger 11, a first-stage plate heat exchanger 12, a cyclone desander 13 and a heat supplementing boiler 14.
The production well 1 is connected with a water inlet of a cyclone desander 13, a water outlet of the cyclone desander 13 is connected with a heat source inlet of a primary plate heat exchanger 12, a heat source outlet of the primary plate heat exchanger 12 is connected with a heat source inlet of a secondary plate heat exchanger 11, a heat source outlet of the secondary plate heat exchanger 11 is connected with a recharging well 3 sequentially through a recharging booster pump 4 and a filter 2, a cold source inlet of the secondary plate heat exchanger 11 is connected with an evaporator outlet of a heat pump unit 9 through a second circulating pump 10, a cold source outlet of the secondary plate heat exchanger 11 is connected with the evaporator inlet of the heat pump unit 9, a water outlet of a concentrated heat supply heat source 5 is connected with the heat source inlet of the plate heat exchanger 6, a water inlet of the concentrated heat supply heat source 5 is connected with the heat source outlet of the plate heat exchanger 6, and the cold source outlet, the cold source import of plate heat exchanger 6 is connected to through circulating pump 7 heat consumer 8's return water mouth, heat pump set 9 the condenser export the cold source export of one-level plate heat exchanger 12 and the delivery port of concurrent boiler 14 all are connected to heat consumer 8's water inlet, heat pump set 9 the condenser import the cold source import of one-level plate heat exchanger 12 and the water inlet of concurrent boiler 14 all are connected to heat consumer 8's return water mouth.
The utility model discloses the principle as follows: the combined heating system for the geothermal heat and the centralized heat supply comprises two heating modes of the geothermal heat and the centralized heat supply.
The heat supply principle of terrestrial heat is that hot water in a production well 1 enters a primary plate heat exchanger 12 from a heat source inlet of the primary plate heat exchanger 12 through a cyclone desander 13, the hot water flows out from a heat source outlet of the primary plate heat exchanger 12 after being cooled in the primary plate heat exchanger 12 and enters a secondary plate heat exchanger 11 through a heat source inlet of the secondary plate heat exchanger 11, the hot water flows out from a heat source outlet of the secondary plate heat exchanger 11 after being cooled again in the secondary plate heat exchanger 11 and then flows to a recharge well 3 through a recharge booster pump 4 and a filter 2 in sequence, circulating water flowing out from an evaporator outlet of a heat pump unit 9 enters the secondary plate heat exchanger 11 through a cold source inlet of the secondary plate heat exchanger 11, the circulating water is discharged from a cold source outlet of the secondary plate heat exchanger 11 after being heated in the secondary plate heat exchanger and enters the heat pump unit through an evaporator inlet of the heat pump unit 9, and the circulating water heated in the And the water flows out of the heat exchanger and flows into the heat user 8 through a water inlet of the heat user 8 to supply heat, and the returned water after heat supply is discharged from a water return port of the heat user 8 and respectively enters the primary plate heat exchanger 12 and the heat pump unit 9 through a cold source inlet and a condenser inlet to be heated again.
In the same way, the heat supply principle of the centralized heat supply is that hot water of the centralized heat supply heat source 5 flows into the plate heat exchanger 6, is cooled in the plate heat exchanger and then flows back to the centralized heat supply heat source for reheating, circulating water after the temperature rise in the plate heat exchanger 6 flows to the heat user 8 to supply heat to the heat user 8, return water of the heat user 8 flows back to the plate heat exchanger for reheating, and the heat supplementing boiler 14 can supply heat to the user when the defects of the terrestrial heat and the centralized heat supply occur, so that the heat supply capacity is improved.
Those skilled in the art will appreciate that the above embodiments are merely exemplary embodiments and that various changes, substitutions and alterations can be made without departing from the spirit and scope of the invention.
Claims (1)
1. The combined heat supply system for geothermal heat and centralized heat supply is characterized by comprising a production well (1), a filter (2), a recharge well (3), a recharge booster pump (4), a centralized heat supply heat source (5), a plate heat exchanger (6), a first circulating pump (7), a heat user (8), a heat pump unit (9), a second circulating pump (10), a second-stage plate heat exchanger (11), a first-stage plate heat exchanger (12), a cyclone desander (13) and a heat supplementing boiler (14);
The production well (1) is connected with a water inlet of a cyclone desander (13), a water outlet of the cyclone desander (13) is connected with a heat source inlet of a primary plate heat exchanger (12), a heat source outlet of the primary plate heat exchanger (12) is connected with a heat source inlet of a secondary plate heat exchanger (11), a heat source outlet of the secondary plate heat exchanger (11) is connected with a recharging well (3) through a recharging booster pump (4) and a filter (2) in sequence, a cold source inlet of the secondary plate heat exchanger (11) is connected with an evaporator outlet of a heat pump unit (9) through a secondary circulating pump (10), a cold source outlet of the secondary plate heat exchanger (11) is connected with an evaporator inlet of the heat pump unit (9), a water outlet of a centralized heat supply heat source (5) is connected with a heat source inlet of the plate heat exchanger (6), a water inlet of the centralized heat supply heat source (5) is connected with a heat source outlet of the plate, the cold source exit linkage of plate heat exchanger (6) is to the water inlet of heat consumer (8), the cold source import of plate heat exchanger (6) is connected to through circulating pump (7) No. one the return water mouth of heat consumer (8), the condenser export of heat pump set (9) the cold source export of one-level plate heat exchanger (12) and the delivery port of concurrent boiler (14) all are connected to the water inlet of heat consumer (8), the condenser import of heat pump set (9) the cold source import of one-level plate heat exchanger (12) and the water inlet of concurrent boiler (14) all are connected to the return water mouth of heat consumer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270286.3U CN209744487U (en) | 2019-03-04 | 2019-03-04 | Geothermal and centralized heating combined heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270286.3U CN209744487U (en) | 2019-03-04 | 2019-03-04 | Geothermal and centralized heating combined heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209744487U true CN209744487U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270286.3U Active CN209744487U (en) | 2019-03-04 | 2019-03-04 | Geothermal and centralized heating combined heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209744487U (en) |
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2019
- 2019-03-04 CN CN201920270286.3U patent/CN209744487U/en active Active
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