CN104848319A - Geothermal water heating circulation system - Google Patents
Geothermal water heating circulation system Download PDFInfo
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- CN104848319A CN104848319A CN201410601500.0A CN201410601500A CN104848319A CN 104848319 A CN104848319 A CN 104848319A CN 201410601500 A CN201410601500 A CN 201410601500A CN 104848319 A CN104848319 A CN 104848319A
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- water
- heat exchanger
- pipe
- heating
- geothermal
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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
Abstract
The invention discloses a geothermal water heating circulation system. The geothermal water heating circulation system mainly comprises a geothermal well, a first heat exchanger, a second heat exchanger, a recharge well, an expansion tank, a water supplement frequency conversion pump, a circulating pump and a control cabinet. A water suction pump is installed in the geothermal well, the water outlet of the water suction pump is connected with a water transportation and distribution pipe, the water transportation and distribution pipe is connected with the primary inlet of the first heat exchanger, the primary outlet of the first heat exchanger is provided with a connecting pipe connected with the primary inlet of the second heat exchanger, the primary outlet of the second heat exchanger is connected with a recharge water pipe, the secondary inlet of the second heat exchanger is connected with a heating water return pipe, the secondary outlet of the second heat exchanger is provided with a tandem connection pipe connected with the secondary inlet of the first heat exchanger, and the secondary outlet of the first heat exchanger is connected with the heating water pipe. The geothermal water heating circulation system has the advantages of being good in energy conservation effect, high in comfort level and heat utilization rate, economical, low in cost, complete in control function and safe and reliable in operation, thereby having wide popularization and application prospects in areas with sufficient geothermal water.
Description
Technical field
The present invention relates to geothermal water heating technical field, specifically a kind of geothermal water heating circulatory system.
Background technology
GEOTHERMAL WATER draws up the natural hot water come, and may be used for heating.Geothermal water heating is adopted to be the heat-supplying mode of clean environment firendly and the good measure of energy-saving and emission-reduction, because geothermal water heating compares other thermal source heated special benefits having saving fuel and do not cause environmental pollution, in the area of GEOTHERMAL WATER abundance, GEOTHERMAL WATER just gives effective exploitation and utilization as the alternative new forms of energy of one, but the geothermal water heating of prior art exist security low, recharge the problem that cost is high and utilization rate is low.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, geothermal water heating circulatory system that safety, economy and result of use are good.
The technical solution adopted for the present invention to solve the technical problems is: the geothermal water heating circulatory system is primarily of geothermal well, First Heat Exchanger, second heat exchanger, inverted well, expansion tank, moisturizing variable frequency pump, circulating pump and switch board composition, geothermal well is built with suction pump, suction pump water outlet is connected with water distribution pipeline, water distribution pipeline is connected with an import of the First Heat Exchanger arranged again, the once outlet of First Heat Exchanger is provided with tube connector and is connected with an import of the second heat exchanger of setting, the once outlet of the second heat exchanger with recharge water pipe and be connected, recharge water pipe to be connected with inverted well again, water distribution pipeline is equipped with water treatment facilities, temperature-sensing valve is housed recharging on water pipe, the secondary import of the second heat exchanger is connected with heating water return pipe, and heating water return pipe was equipped with filter before connection second heat exchanger, heating water return pipe is equipped with circulating pump after the filters, heating water return pipe is before circulating pump, safety valve and pressure sensor one is equiped with after filter, and be connected with supplementing water pressure pipe, the other end of supplementing water pressure pipe is connected with the expansion tank of setting, and on supplementing water pressure pipe, moisturizing variable frequency pump and check-valves are housed, walk around moisturizing variable frequency pump and check-valves to be provided with relief tube and to be connected with supplementing water pressure pipe and expansion tank respectively, expansion tank is built with level sensor, expansion tank is also connected with filling pipe intakes, filling pipe is equipped with moisturizing magnetic valve, filling pipe is equipped with flow detector after moisturizing magnetic valve, filling pipe is equipped with water softening device after flow detector, the secondary outlet of the second heat exchanger is provided with serises connecting tube and is connected with the secondary import of First Heat Exchanger, the secondary outlet of First Heat Exchanger is connected with heating and supplying water pipe, and pressure sensor two and temperature control transmitter are housed on heating and supplying water pipe.
Described temperature-sensing valve, moisturizing magnetic valve, flow detector, water softening device, level sensor, moisturizing variable frequency pump, pressure release electromagnetic valve, pressure sensor one, circulating pump, pressure sensor two are connected with switch board wiring separately respectively with temperature control transmitter, switch board is also connected with the outdoor temperature sensor being contained in outdoor, outdoor temperature sensor for detecting outdoor environment temperature, and by the outdoor environment temperature Signal transmissions that detects to switch board.
Operation principle of the present invention is, suction pump extracts GEOTHERMAL WATER in geothermal well, enter after water treatment facilities carries out filtering and remove sediment contamination process through pressure-raising, first First Heat Exchanger heat exchange and quantity of heat given up is entered, and then enter the second heat exchanger and give UTILIZATION OF VESIDUAL HEAT IN and heat exchange, recharge to inverted well formation circulation by recharging water pipe subsequently, meanwhile, heating water return pipe takes out stains through filter, enter the second heat exchanger after circulating pump pressurization and carry out preheating, then First Heat Exchanger heating is entered again by serises connecting tube, produce the heating hot water being suitable for outdoor environment temperature change, and heated by the output of heating and supplying water pipe, be contained in outdoor outdoor temperature sensor and detect outdoor environment temperature, and then the heating hot water temperature setting value being suitable for outdoor environment temperature change is automatically provided according to the outdoor environment temperature detected, be contained in and recharge the heating hot water temperature setting value that temperature-sensing valve on water pipe provides according to being suitable for outdoor environment temperature change and automatically regulate its aperture, until standard-sized sheet, make heating and supplying water pipe temperature maintain system all the time and be suitable for outdoor environment temperature change and in the heating hot water temperature setting value that provides, be contained in the temperature control transmitters sense heating and supplying water pipe temperature on heating and supplying water pipe, the pressure sensor two be contained on heating and supplying water pipe detects heating and supplying water pipe pressure, the pressure sensor one be contained on heating water return pipe detects the pressure of heating water return pipe before circulating pump, and be provided with moisturizing and open pump pressure force value, moisturizing steady pressure value, super-pressure force value and water deprivation stress value four control points, when detecting that the pressure of heating water return pipe before circulating pump opens pump pressure force value lower than the moisturizing that pressure sensor one sets, moisturizing variable frequency pump starts and fetches water in expansion tank, and according to the moisturizing steady pressure value of setting, frequency-changing pressure stabilizing moisturizing is carried out to heating water return pipe, when moisturizing variable frequency pump runs, and heating water return pipe pressure is stabilized in the moisturizing steady pressure value of setting, and when maintaining 30s ~ 60s, moisturizing variable frequency pump is shut down and is entered dormancy holding state, the moisturizing of moisturizing variable frequency pump terminates, when detect the pressure of heating water return pipe before circulating pump higher than setting moisturizing steady pressure value and reach setting super-pressure force value and above time, pressure release electromagnetic valve is opened sluicing to expansion tank and is stored, when the moisturizing steady pressure value that the pressure recover of heating water return pipe before circulating pump extremely sets, pressure release electromagnetic valve is closed, and relief tube cuts off, when detect the pressure of heating water return pipe before circulating pump lower than setting water deprivation stress value and following time, heating water return pipe lack of water will be judged, circulating pump stoppage protection, when the pressure recover of heating water return pipe before circulating pump is to the moisturizing steady pressure value of setting, circulating pump automatically starts and recovers normal condition,
Be contained in level sensor in expansion tank for detecting expansion tank water level, and be provided with high water level point, low water level point and lack of water water level point, when level sensor detect expansion tank water level be in setting low water level point and following time, moisturizing opened by the moisturizing magnetic valve be contained on filling pipe, flow detector detects the refill flow by filling pipe, water softening device obtains electric operation simultaneously, expansion tank moisturizing is entered to prepare demineralized water, expansion tank water level rises, when level sensor detect expansion tank water level be in setting high water level point and above time, moisturizing closed electromagnetic valve, water softening device dead electricity is shut down, when level sensor detect expansion tank water level be in setting lack of water water level point and following time, the moisturizing variable frequency pump run will be shut down, and report to the police, until expansion tank water level rezime and water level higher than setting low water level point more than time, lack of water is reported to the police and is eliminated, moisturizing variable frequency pump is automatically restored to normal condition.
The invention has the beneficial effects as follows, the present invention has energy-conservation, comfortable and heat utilization efficiency advantages of higher, and economy, cost are low, and controlling functions is complete, safe and reliable to operation, thus will have good popularizing application prospect in the area of GEOTHERMAL WATER abundance.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, suction pump, 2, geothermal well, 3, water distribution pipeline, 4, water treatment facilities, 5, First Heat Exchanger, 6, tube connector, 7, second heat exchanger, 8, temperature-sensing valve, 9, recharge water pipe, 10, inverted well, 11, filling pipe, 12, moisturizing magnetic valve, 13, flow detector, 14, water softening device, 15, expansion tank, 16, level sensor, 17, moisturizing variable frequency pump, 18, supplementing water pressure pipe, 19, check-valves, 20, relief tube, 21, pressure release electromagnetic valve, 22, heating water return pipe, 23, filter, 24, safety valve, 25, pressure sensor one, 26, circulating pump, 27, outdoor temperature sensor, 28, switch board, 29, serises connecting tube, 30, heating and supplying water pipe, 31, pressure sensor two, 32, temperature control transmitter.
Detailed description of the invention
With regard to accompanying drawing 1, the geothermal water heating circulatory system of the present invention is described in detail below below.
As shown in Figure 1, the geothermal water heating circulatory system of the present invention is primarily of geothermal well 2, First Heat Exchanger 5, second heat exchanger 7, inverted well 10, expansion tank 15, moisturizing variable frequency pump 17, circulating pump 26 and switch board 28 form, geothermal well 2 is built with suction pump 1, suction pump 1 water outlet is connected with water distribution pipeline 3, water distribution pipeline 3 is connected with an import of the First Heat Exchanger 5 arranged again, the once outlet of First Heat Exchanger 5 is provided with tube connector 6 and is connected with an import of the second heat exchanger 7 arranged, the once outlet of the second heat exchanger 7 with recharge water pipe 9 and be connected, recharge water pipe 9 to be connected with inverted well 10 again, water distribution pipeline 3 is equipped with water treatment facilities 4, temperature-sensing valve 8 is housed recharging on water pipe 9, the secondary import of the second heat exchanger 7 is connected with heating water return pipe 22, and heating water return pipe 22 was equipped with filter 23 before connection second heat exchanger 7, heating water return pipe 22 is equipped with circulating pump 26 after filter 23, heating water return pipe 22 is before circulating pump 26, safety valve 24 and pressure sensor 1 is equiped with after filter 23, and be connected with supplementing water pressure pipe 18, the other end of supplementing water pressure pipe 18 is connected with the expansion tank 15 of setting, and moisturizing variable frequency pump 17 and check-valves 19 are housed on supplementing water pressure pipe 18, walk around moisturizing variable frequency pump 17 and check-valves 19 to be provided with relief tube 20 and to be connected with supplementing water pressure pipe 18 and expansion tank 15 respectively, expansion tank 15 is built with level sensor 16, expansion tank 15 is also connected with filling pipe 11 intakes, filling pipe 11 is equipped with moisturizing magnetic valve 12, filling pipe 11 is equipped with flow detector 13 after moisturizing magnetic valve 12, filling pipe 11 is equipped with water softening device 14 after flow detector 13, the secondary outlet of the second heat exchanger 7 is provided with serises connecting tube 29 and is connected with the secondary import of First Heat Exchanger 5, the secondary outlet of First Heat Exchanger 5 is connected with heating and supplying water pipe 30, and pressure sensor 2 31 and temperature control transmitter 32 are housed on heating and supplying water pipe 30.
Described temperature-sensing valve 8, moisturizing magnetic valve 12, flow detector 13, water softening device 14, level sensor 16, moisturizing variable frequency pump 17, pressure release electromagnetic valve 21, pressure sensor 1, circulating pump 26, pressure sensor 2 31 are connected with switch board 28 wiring separately respectively with temperature control transmitter 32, switch board 28 is also connected with the outdoor temperature sensor 27 being contained in outdoor, outdoor temperature sensor 27 for detecting outdoor environment temperature, and by the outdoor environment temperature Signal transmissions that detects to switch board 28.
Operation principle of the present invention is, suction pump 1 extracts GEOTHERMAL WATER in geothermal well 2, enter after water treatment facilities 4 carries out filtering and remove sediment contamination process through pressure-raising, first First Heat Exchanger heat exchange 5 and quantity of heat given up is entered, and then enter the second heat exchanger 7 and give UTILIZATION OF VESIDUAL HEAT IN and heat exchange, recharge to inverted well 10 formation circulation by recharging water pipe 9 subsequently, meanwhile, heating water return pipe 22 takes out stains through filter 23, circulating pump 26 enters the second heat exchanger 7 after pressurizeing and carries out preheating, then enter First Heat Exchanger 5 again by serises connecting tube 29 to heat, produce the heating hot water being suitable for outdoor environment temperature change, and heated by heating and supplying water pipe 30 output, be contained in outdoor outdoor temperature sensor 27 and detect outdoor environment temperature, and then the heating hot water temperature setting value being suitable for outdoor environment temperature change is automatically provided according to the outdoor environment temperature detected, be contained in and recharge the heating hot water temperature setting value that temperature-sensing valve 8 on water pipe 9 provides according to being suitable for outdoor environment temperature change and automatically regulate its aperture, until standard-sized sheet, make heating and supplying water pipe 30 temperature maintain system all the time and be suitable for outdoor environment temperature change and in the heating hot water temperature setting value that provides, the temperature control transmitter 32 be contained on heating and supplying water pipe 30 detects heating and supplying water pipe 30 temperature, the pressure sensor 2 31 be contained on heating and supplying water pipe 30 detects heating and supplying water pipe 30 pressure, the pressure sensor 1 be contained on heating water return pipe 22 detects the pressure of heating water return pipe 22 before circulating pump 26, and be provided with moisturizing and open pump pressure force value, moisturizing steady pressure value, super-pressure force value and water deprivation stress value four control points, when detecting that the pressure of heating water return pipe 22 before circulating pump 26 opens pump pressure force value lower than the moisturizing that pressure sensor 1 sets, moisturizing variable frequency pump 17 starts and fetches water in expansion tank 15, and according to the moisturizing steady pressure value of setting, frequency-changing pressure stabilizing moisturizing is carried out to heating water return pipe 22, when moisturizing variable frequency pump 17 runs, and heating water return pipe 22 pressure stability is in the moisturizing steady pressure value of setting, and when maintaining 30s ~ 60s, dormancy holding state is shut down and entered to moisturizing variable frequency pump 17, moisturizing variable frequency pump 17 moisturizing terminates, when detect the pressure of heating water return pipe 22 before circulating pump 26 higher than setting moisturizing steady pressure value and reach setting super-pressure force value and above time, pressure release electromagnetic valve 21 is opened sluicing to expansion tank 15 and is stored, when the moisturizing steady pressure value that the pressure recover of heating water return pipe 22 before circulating pump 26 extremely sets, pressure release electromagnetic valve 21 is closed, and relief tube 20 cuts off, when detect the pressure of heating water return pipe 22 before circulating pump 26 lower than setting water deprivation stress value and following time, heating water return pipe 22 lack of water will be judged, circulating pump 26 stoppage protection, when the pressure recover of heating water return pipe 22 before circulating pump 26 is to the moisturizing steady pressure value of setting, circulating pump 26 automatically starts and recovers normal condition,
The level sensor 16 be contained in expansion tank 15 detects expansion tank 15 water level, and be provided with high water level point, low water level point and lack of water water level point, when level sensor 16 detect expansion tank 15 water level be in setting low water level point and following time, moisturizing opened by the moisturizing magnetic valve 12 be contained on filling pipe 11, flow detector 13 detects the refill flow by filling pipe 11, water softening device 14 obtains electric operation simultaneously, expansion tank 15 moisturizing is entered to prepare demineralized water, expansion tank 15 water level rises, when level sensor 16 detect expansion tank 15 water level be in setting high water level point and above time, moisturizing magnetic valve 12 cuts out, water softening device 14 dead electricity is shut down, when level sensor 16 detect expansion tank 15 water level be in setting lack of water water level point and following time, the moisturizing variable frequency pump 17 run will be shut down, and report to the police, until expansion tank 15 water level rezime and water level higher than setting low water level point more than time, lack of water is reported to the police and is eliminated, moisturizing variable frequency pump 17 is automatically restored to normal condition.
Claims (2)
1. a geothermal water heating circulatory system is primarily of geothermal well, First Heat Exchanger, second heat exchanger, inverted well, expansion tank, moisturizing variable frequency pump, circulating pump and switch board composition, geothermal well is built with suction pump, suction pump water outlet is connected with water distribution pipeline, it is characterized in that, water distribution pipeline is connected with an import of First Heat Exchanger again, the once outlet of First Heat Exchanger is provided with tube connector and is connected with an import of the second heat exchanger, the once outlet of the second heat exchanger with recharge water pipe and be connected, recharge water pipe to be connected with inverted well again, water distribution pipeline is equipped with water treatment facilities, temperature-sensing valve is housed recharging on water pipe, the secondary import of the second heat exchanger is connected with heating water return pipe, the secondary outlet of the second heat exchanger is provided with serises connecting tube and is connected with the secondary import of First Heat Exchanger, the secondary outlet of First Heat Exchanger is connected with heating and supplying water pipe, and pressure sensor two and temperature control transmitter are housed on heating and supplying water pipe.
2. the geothermal water heating circulatory system according to claim 1, it is characterized in that, heating water return pipe was equipped with filter before connection second heat exchanger, heating water return pipe is equipped with circulating pump after the filters, heating water return pipe is before circulating pump, safety valve and pressure sensor one is equiped with after filter, and be connected with supplementing water pressure pipe, the other end of supplementing water pressure pipe is connected with the expansion tank of setting, and on supplementing water pressure pipe, moisturizing variable frequency pump and check-valves are housed, walk around moisturizing variable frequency pump and check-valves to be provided with relief tube and to be connected with supplementing water pressure pipe and expansion tank respectively, expansion tank is built with level sensor, expansion tank is also connected with filling pipe intakes, filling pipe is equipped with moisturizing magnetic valve, filling pipe is equipped with flow detector after moisturizing magnetic valve, filling pipe is equipped with water softening device after flow detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410601500.0A CN104848319A (en) | 2014-11-02 | 2014-11-02 | Geothermal water heating circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410601500.0A CN104848319A (en) | 2014-11-02 | 2014-11-02 | Geothermal water heating circulation system |
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| Publication Number | Publication Date |
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| CN104848319A true CN104848319A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410601500.0A Pending CN104848319A (en) | 2014-11-02 | 2014-11-02 | Geothermal water heating circulation system |
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| CN (1) | CN104848319A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775089A (en) * | 2018-08-22 | 2018-11-09 | 天津城建大学 | Active exterior-wall heat insulation cooling system |
| CN109237585A (en) * | 2017-05-26 | 2019-01-18 | 山东陆海石油技术股份有限公司 | Heat exchange heating system in mid-deep strata geothermal well |
-
2014
- 2014-11-02 CN CN201410601500.0A patent/CN104848319A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237585A (en) * | 2017-05-26 | 2019-01-18 | 山东陆海石油技术股份有限公司 | Heat exchange heating system in mid-deep strata geothermal well |
| CN108775089A (en) * | 2018-08-22 | 2018-11-09 | 天津城建大学 | Active exterior-wall heat insulation cooling system |
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Application publication date: 20150819 |
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| WD01 | Invention patent application deemed withdrawn after publication |