CN209623134U - A kind of geothermal energy combined running system - Google Patents
A kind of geothermal energy combined running system Download PDFInfo
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- CN209623134U CN209623134U CN201920288085.6U CN201920288085U CN209623134U CN 209623134 U CN209623134 U CN 209623134U CN 201920288085 U CN201920288085 U CN 201920288085U CN 209623134 U CN209623134 U CN 209623134U
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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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Abstract
The utility model discloses a kind of geothermal energy combined running systems, including heating system, the buried guard system of shallow-layer, conditioning in Transition Season circulation line and heat pump unit under mid-deep strata geothermal well and circulation line of registering one's residence, building end thermoregulating system, circulation line of registering one's residence includes winter circulation line, summer circulation line；The buried guard system of heating system, shallow-layer is connected to by heat pump unit, circulation line of registering one's residence with building end thermoregulating system under mid-deep strata geothermal well；The alternately operating of heat supply and cooling is realized by adjusting the open and close of valve in respective line.Heating system can exchange mid-deep strata geothermal energy under the premise of only taking heat not fetch water under the utility model mid-deep strata geothermal well, and mid-deep strata geothermal energy is made full use of to provide heat in winter for surface structures；The buried guard system of shallow-layer makes full use of thin solum to provide cooling capacity in summer for surface structures；The concept of system is ingenious, rationally distributed, safety and environmental protection.
Description
Technical field
The utility model relates to terrestrial heat utilization system technical field more particularly to a kind of geothermal energy combined running systems.
Background technique
In recent years, air environmental pollution is serious, and haze governing problem becomes increasingly conspicuous, the extensive style development of traditional energy
It is undesirable, it is very urgent to greatly develop clean energy resource.Increasingly aggravate and the more urgent background of environmental protection in energy crisis
Under, efficiency of energy utilization is improved, is tapped a new source of energy to substitute traditional energy, mitigates environmental pollution into the task of top priority.The ten of party
Nine big reports are pointed out, production of energy and consumption revolution, building cleaning low-carbon, safe and efficient energy system are promoted.
Geothermal energy resources not can cause environmental pollution not only, moreover it is possible to realize round-the-clock, all the period of time application, have green low
The features such as carbon, reserves are big, distribution is wide, stability is good, usage factor is high is a kind of with powerful competitiveness for owner
And very real renewable energy.China is a geothermal energy resources than more rich country, and promoting geothermal energy development and utilizing is
Realize the important channel of sustainable development.
It is lower with the shallow soil moisture at the 200m of underground, it may be implemented to pass through shallow-layer underground pipe mode, circulation industrial in summer
Heat entrained by itself is released to the soil of surrounding while matter flows in underground pipe, and when conditioning in Transition Season, lead to
The single operation for crossing the cycle fluid in conditioning in Transition Season circulation line, during the entire process of cycle fluid flows through underground pipe, by surrounding
Heat in soil is carried out, and heat release will be carried in radiator, so that the soil around underground pipe
Temperature is restored, while reducing and underground weighing apparatus phenomenon uneven in temperature occur, to make heat pump unit in summer use process
In can work under a comparatively ideal operating condition, the heat of carrying is released to week by shallow-layer underground pipe mode by cycle fluid
Soil is enclosed, without directly by hot driving into atmospheric environment, reducing thermal pollution and chemical contamination to atmospheric environment etc. one
Series of problems.
In our countries, it is resourceful and temperature is higher to be located at 3000-10000m depth hot dry rock, can be used for generating electricity,
And the rock-soil layer of 200-3000m located underground is not enough to if temperature only has tens or upper Baidu for generating electricity, but its temperature product
Position just belongs to heat supply scope, if it is possible to which exploitation is used for heat supply, then fundamentally can thoroughly solve the heating of northern area
Problem.
Currently, it is directly exploitation mid-deep strata GEOTHERMAL WATER heat supply that exploitation of geothermal, which can be used for the more common technology of winter heating,；In
Summer, cycle fluid carry the whereabouts that heat is discharged and often use cooling tower；The shallow-layer underground pipe being embedded in soil is used in winter
It takes hot source, be used for the whereabouts that radiates in summer.These three technologies all have the defects that certain, have to be solved.
Directly exploit mid-deep strata GEOTHERMAL WATER heat supply process: directly exploitation GEOTHERMAL WATER, recharge difficulty is bigger, causes underground water
The waste and pollution of resource；Excessive pumping underground hot water can cause level of ground water to decline, and lead to the land subsidence of subrange,
Damage road, underground piping rupture etc.；Excessively terrestrial heat resources are developed and are wasted, atmosphere occur in many areas in China
The environment such as pollution, chemical contamination, earthquake, surface collapse and geological problem are a kind of energy utilization patterns of unsustainable development.
It is arranged outside summer room used for cooling tower in cycle fluid heat dissipation: is released heat entrained by cycle fluid by cooling tower
It puts to atmospheric environment, but a series of problems, such as this will cause thermal pollution and chemical contamination to environment；In extreme weather by
The restriction of ambient environmental conditions, such as in summer, when outdoor temperature is higher, heat entrained by cycle fluid is not easy to be released to atmosphere
Environment；In temperature lower winter, if not taking effective antifreezing measures, the bursting by freezing of equipment part may be made.
The shallow-layer underground pipe being embedded in soil is used to take hot source in winter, is used for the whereabouts that radiates: different geographical in summer
Applicability is different, winter from taken in soil heat and summer radiate into soil between cold and hot amount size be difficult to balance, possibility
Winter be will lead to from being difficult to that heat or summer is taken to be difficult to radiate into soil in soil, cause heat pump unit work efficiency drop,
Economy consumption increases.
Utility model content
The purpose of the utility model is to provide a kind of geothermal energy combined running systems, solve the direct recovery of subterranean of the prior art
Water heat supply will cause water level decreasing, land subsidence, the heat storage lost of life, abandon a series of problems, such as hydro-thermal pollution and chemical contamination.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of geothermal energy combined running system of the utility model, including heating system, shallow-layer are buried under mid-deep strata geothermal well
Guard system, conditioning in Transition Season circulation line and heat pump unit and circulation line of registering one's residence, building end thermoregulating system, the circulation of registering one's residence
Pipeline includes winter circulation line, summer circulation line；The evaporator side of the heat pump unit is in parallel by two
Heating system under mid-deep strata geothermal well, summer circulation line are connected to building end thermoregulating system, the heat pump unit it is cold
Condenser side passes through the buried guard system of three shallow-layers in parallel, conditioning in Transition Season circulation line and winter circulation line and the building
The connection of end thermoregulating system；Heating system, the connectivity part of summer circulation line are provided with third under the mid-deep strata geothermal well
A threeway, the 4th threeway, the buried guard system of the shallow-layer, winter circulation line connectivity part be provided with first threeway,
Second threeway, the buried guard system of the shallow-layer, conditioning in Transition Season circulation line connectivity part be provided with the 5th threeway, the 6th three
It is logical；The open and close of valve in respective line are adjusted to realize heating system, shallow-layer underground pipe under the mid-deep strata geothermal well
The alternately operating of system.
Preferably, heating system includes mid-deep strata geothermal underground heat exchanger and double-tube heat exchanger under the mid-deep strata geothermal well
Side circulating pump, the mid-deep strata geothermal underground heat exchanger are fixed in rock-soil layer by cement pouring layer, the mid-deep strata underground heat
Underground heat exchanger includes inner sleeve and outer tube, and the bottom of the outer tube and side wall are closed, and the inner sleeve is placed in outer tube
Inside, and the bottom of the inner sleeve be higher than the outer tube bottom, the bottom of the inner sleeve be set as opening and with
The bottom of the outer tube is connected, and the upper port of the outer tube is connected with one end of cycle fluid feed line, described
The upper port of inner sleeve is connected with one end of cycle fluid outflow pipeline, the cycle fluid feed line, circulation industrial mass flow
The other end of pipeline is connected with the vaporizer side of the heat pump unit on ground out；Described sleeve pipe heat exchanger side circulating pump peace
In the cycle fluid feed line；Heating system further includes first sleeve heat exchanger side valve under the mid-deep strata geothermal well
Door and the second double-tube heat exchanger side valve door, the first sleeve heat exchanger side valve door, the second double-tube heat exchanger side valve door are pacified respectively
In cycle fluid outflow pipeline, cycle fluid feed line.
Preferably, the cycle fluid between the inner sleeve and the first sleeve heat exchanger side valve door flows out pipeline
On be provided with the double-tube heat exchanger side filter of Water warfare.
Preferably, the buried guard system of the shallow-layer includes single U-shaped underground pipe and underground pipe side circulating pump, and the list is U-shapedly
Pipe laying is embedded in the rock-soil layer, two upper ports of the U-shaped underground pipe of list respectively with cycle fluid feed line, circulation industrial
One end that mass flow goes out pipeline is connected, and the cycle fluid feed line, cycle fluid flow out on the other end and ground of pipeline
The condenser side of the heat pump unit be connected；Underground pipe side circulating pump is mounted on the cycle fluid feed line
On；The buried guard system of shallow-layer further includes the first underground pipe side valve door, the second underground pipe side valve door, third underground pipe side valve
Door, the 4th underground pipe side valve door, the first underground pipe side valve door and the 4th underground pipe side valve door, the second underground pipe side valve door and
Third underground pipe side valve door is separately mounted to cycle fluid outflow pipeline, in cycle fluid feed line.
Preferably, the cycle fluid effuser between the U-shaped underground pipe of the list and the first underground pipe side valve door
Road is provided with the underground pipe side filter of Water warfare.
Preferably, the cycle fluid that first threeway is located at the buried guard system of the shallow-layer flows out pipeline and the winter
Season circulation line feed line connectivity part, second threeway be located at the cycle fluid of the buried guard system of the shallow-layer
The connectivity part of the outflow pipeline of feed line and the winter circulation line；The third threeway is mounted on the mid-deep strata
The connectivity part of the feed line of the cycle fluid outflow pipeline and summer circulation line of heating system, described under geothermal well
4th threeway is mounted on the cycle fluid feed line of heating system and summer circulation under the mid-deep strata geothermal well
The connectivity part of the outflow pipeline of pipeline, the cycle fluid that the 5th threeway is mounted on the buried guard system of the shallow-layer flow into pipe
The connectivity part of the cycle fluid of road and conditioning in Transition Season circulation line outflow pipeline, the 6th threeway are mounted on the shallow-layer
The connectivity part of the cycle fluid feed line of the cycle fluid outflow pipeline and conditioning in Transition Season circulation line of buried guard system.
Preferably, the winter includes the first user side valve, second user side valve door and the first user with circulation line
Side circulating pump, the first user side valve are mounted in the feed line of the winter circulation line, and are located at described the
Between one threeway and building end thermoregulating system；The second user side valve door and the first user side circulating pump are mounted on described
The effuser road of winter circulation line, and the second user side valve door is located at second threeway and described first and uses
Between the circulating pump of family side；Cycle fluid enters from the outlet outflow of building end thermoregulating system and successively passes through first user side
Valve, first threeway, the pipe section that is contacted with condenser and heating treatment, second threeway, second user side valve door, the
Building end thermoregulating system is flowed back to after one user side circulating pump；
The summer includes that third user side valve, fourth user side valve door and second user side recycle with circulation line
Pump, the third user side valve are mounted in the feed line of the summer circulation line, and are located at the third three
Lead between building end thermoregulating system, the fourth user side valve door and second user side circulating pump are mounted on the summer use
The effuser road of circulation line, and the fourth user side valve door is located at second user side circulating pump and described 4th
Between threeway；Cycle fluid from building end thermoregulating system outlet outflow enter successively by the third user side valve,
Third threeway, the pipe section contacted with evaporator and the processing that cools down, the 4th threeway, fourth user side valve door, second are used
Building end thermoregulating system is flowed back to after the circulating pump of family side；
The conditioning in Transition Season circulation line includes the first radiator side valve door, the second radiator side valve door and heat dissipation dress
It sets, the first radiator side valve door is mounted on the effuser road of radiator, and is located at the 5th threeway and dissipates
Between thermal, the second radiator side valve door is mounted in the feed line of radiator, and is located at described 6th
Between threeway and radiator；Cycle fluid enters from the outlet of radiator outflow and successively passes through first radiator side
The pipe section that valve, the 5th threeway, the second underground pipe side valve door, underground pipe side circulating pump are contacted with single U-shaped underground pipe is simultaneously
Extract heat, underground pipe side filter, the first underground pipe side valve door, the 6th threeway, the second radiator side in surrounding soil
The radiator is flowed back to after valve.
Preferably, building end thermoregulating system be designed specifically to fan coil system, radiant floor heating system or
Build domestic hot-water's preparation system.
Preferably, the mid-deep strata geothermal underground heat exchanger is installed on the rock-soil layer that depth is 1000 meters to 3000 meters
In drilling well, the U-shaped underground pipe of list is embedded in the rock-soil layer that depth is 100 meters to 200 meters.
Preferably, the heat pump unit includes evaporator, compressor, condenser and throttle valve, the evaporator, compression
Machine, condenser and throttle valve are connected together to form closed circuit by pipeline, and the evaporator side is with the mid-deep strata
Heating system, summer are connected to circulation line under hot well, and the condenser side and the buried guard system of the shallow-layer, winter are with following
Endless tube road, the connection of conditioning in Transition Season circulation line.
Compared with prior art, the advantageous effects of the utility model:
A kind of geothermal energy combined running system of the utility model, including heating system, shallow-layer are buried under mid-deep strata geothermal well
Guard system, conditioning in Transition Season circulation line and heat pump unit and circulation line of registering one's residence, building end thermoregulating system, wherein circulation of registering one's residence
Pipeline includes winter circulation line, summer circulation line.Heating system includes mid-deep strata geothermal well under mid-deep strata geothermal well
Lower heat exchanger and double-tube heat exchanger side circulating pump, mid-deep strata geothermal underground heat exchanger are fixed on rock-soil layer by cement pouring layer
In, mid-deep strata geothermal underground heat exchanger includes inner sleeve and outer tube, and inner sleeve and outer tube are flowed out by cycle fluid respectively
Pipeline, feed line are connected to heat pump unit, and heating system can be in the premise for only taking heat not fetch water under the mid-deep strata geothermal well
Get off to exchange for mid-deep strata geothermal energy, avoids the water level decreasing due to caused by the excessive exploitation of water, land subsidence, hot Chu Shouming
Shorten, abandon a series of problems, such as hydro-thermal pollution and chemical contamination, mid-deep strata geothermal energy is made full use of to mention in winter for surface structures
Heating load；The heat entrained by itself is released to week while cycle fluid flows in underground pipe in the buried guard system of shallow-layer
The soil enclosed, and when conditioning in Transition Season, pass through the single operation of the cycle fluid in conditioning in Transition Season circulation line, circulation industrial mass flow
During the entire process of underground pipe, the heat in surrounding soil is carried out, and heat will be carried in radiator and released
It puts, so that the soil moisture around underground pipe is restored, while reducing and underground weighing apparatus phenomenon uneven in temperature occurs, from
And making heat pump unit that can be worked under a comparatively ideal operating condition in summer use process, cycle fluid is buried by shallow-layer
The heat of carrying is released to surrounding soil by pipe mode, without reducing to atmosphere directly by hot driving into atmospheric environment
A series of problems, such as thermal pollution and chemical contamination of environment, thin solum is made full use of to provide cooling capacity in summer for surface structures.
Detailed description of the invention
The utility model is described in further detail for explanation with reference to the accompanying drawing.
Fig. 1 is the utility model geothermal energy combined running system structure diagram；
Description of symbols: 1. mid-deep strata geothermal underground heat exchangers；2. inner sleeve；3. outer tube；4. cement pouring layer；5.
Rock-soil layer；6. double-tube heat exchanger side filter；7. first sleeve heat exchanger side valve door；8. the second double-tube heat exchanger side valve door；9.
Double-tube heat exchanger side circulating pump；10. heat pump unit；11. evaporator；12. compressor；13. condenser；14. throttle valve；15. the
One user side valve；16. second user side valve door；17. the first user side circulating pump；18. single U-shaped underground pipe；19. underground pipe side
Filter；20. the first underground pipe side valve door；21. the second underground pipe side valve door；22. underground pipe side circulating pump；23. third user
Side valve door；24. fourth user side valve door；25. second user side circulating pump；26. first threeway；27. second threeway；28.
Third threeway；29. the 4th threeway；30. the first radiator side valve door；31. the second radiator side valve door；32. third
Underground pipe side valve door；33. the 4th underground pipe side valve door；34. the 5th threeway；35. the 6th threeway；36. radiator.
Specific embodiment
As shown in Figure 1, a kind of geothermal energy combined running system, including heating system, shallow-layer are buried under mid-deep strata geothermal well
Guard system, conditioning in Transition Season circulation line and heat pump unit and circulation line of registering one's residence, building end thermoregulating system, the circulation of registering one's residence
Pipeline includes winter circulation line, summer circulation line；11 side of evaporator of the heat pump unit 10 passes through two simultaneously
Heating system, summer circulation line are connected to building end thermoregulating system under the mid-deep strata geothermal well of connection, the heat pump unit
10 13 side of condenser by the buried guard system of three shallow-layers in parallel, conditioning in Transition Season circulation line and winter circulation line with
The building end thermoregulating system connection；Heating system, the connectivity part of summer circulation line are set under the mid-deep strata geothermal well
Be equipped with third threeway 28, the 4th threeway 29, the buried guard system of the shallow-layer, winter circulation line connectivity part be provided with
First threeway, 26, second threeways 27, the buried guard system of the shallow-layer, conditioning in Transition Season circulation line connectivity part be provided with the 5th
A threeway 34, the 6th threeway 35；The open and close of valve in respective line are adjusted to realize under the mid-deep strata geothermal well
The alternately operating of the buried guard system of heating system, shallow-layer.
Specifically, as shown in Figure 1, heating system includes mid-deep strata geothermal underground heat exchanger under the mid-deep strata geothermal well
1 and double-tube heat exchanger side circulating pump 9, the mid-deep strata geothermal underground heat exchanger 1 is fixed on rock-soil layer 5 by cement pouring layer 4
In, the mid-deep strata geothermal underground heat exchanger 1 includes inner sleeve 2 and outer tube 3, and the bottom of the outer tube 3 and side wall are closed,
The inner sleeve 2 is placed in the inside of outer tube 3, and the bottom of the inner sleeve 2 is higher than the bottom of the outer tube 3, described interior
The bottom of casing 2 is set as being open and being connected with the bottom of the outer tube 3, the upper port and circulation industrial of the outer tube 3
One end of matter feed line is connected, and the upper port of the inner sleeve 2 is connected with one end of cycle fluid outflow pipeline, described
Cycle fluid feed line, cycle fluid flow out 11 side of evaporator of the heat pump unit 10 on the other end and ground of pipeline
It is connected；Described sleeve pipe heat exchanger side circulating pump 9 is mounted in the cycle fluid feed line；Under the mid-deep strata geothermal well
Heating system further includes first sleeve heat exchanger side valve door 7 and the second double-tube heat exchanger side valve door 8, the first sleeve heat exchanger
Side valve door 7, the second double-tube heat exchanger side valve door 8 are separately mounted to cycle fluid the outflow pipeline, cycle fluid feed line
On.
Cycle fluid effuser road between the inner sleeve 2 and the first sleeve heat exchanger side valve door 7 is set
It is equipped with the double-tube heat exchanger side filter 6 of Water warfare.
The buried guard system of shallow-layer includes single U-shaped underground pipe 18 and underground pipe side circulating pump 22, the U-shaped underground pipe of list
In the 18 embedment rock-soil layers 5, two upper ports of the U-shaped underground pipe 18 of list respectively with cycle fluid feed line, circulation
One end of working medium outflow pipeline is connected, the cycle fluid feed line, the other end of cycle fluid outflow pipeline and ground
On 13 side of condenser of the heat pump unit 10 be connected；Underground pipe side circulating pump 22 is mounted on the circulation industrial mass flow
Enter on pipeline.The buried guard system of shallow-layer further includes the first underground pipe side valve door 20, the second underground pipe side valve door 21, third
Pipe laying side valve door 32, the 4th underground pipe side valve door 33, the first underground pipe side valve door 20 and the 4th underground pipe side valve door 33,
Two underground pipe side valve doors 21 and third underground pipe side valve door 32 are separately mounted to cycle fluid the outflow pipeline, circulation industrial mass flow
Enter on pipeline.
Cycle fluid effuser road between the U-shaped underground pipe 18 of list and the first underground pipe side valve door 20
It is provided with the underground pipe side filter 19 of Water warfare.
First threeway 26 is located at the cycle fluid outflow pipeline of the buried guard system of the shallow-layer and the winter is used
The connectivity part of the feed line of circulation line, second threeway 27 are located at the circulation industrial mass flow of the buried guard system of the shallow-layer
Enter the connectivity part of the outflow pipeline of pipeline and the winter circulation line；The third threeway 28 is mounted on the mid-deep strata
The connectivity part of the feed line of the cycle fluid outflow pipeline and summer circulation line of heating system, described under geothermal well
4th threeway 29 is mounted under the mid-deep strata geothermal well cycle fluid feed line of heating system and the summer with following
The connectivity part of the outflow pipeline on endless tube road, the 5th threeway 34 are mounted on the circulation industrial mass flow of the buried guard system of the shallow-layer
Enter the connectivity part of the cycle fluid outflow pipeline of pipeline and the conditioning in Transition Season circulation line, the 6th threeway 35 is mounted on institute
State the company of the cycle fluid outflow pipeline of the buried guard system of shallow-layer and the cycle fluid feed line of the conditioning in Transition Season circulation line
Logical place.
The winter includes that the first user side valve 15, second user side valve door 16 and the first user side are followed with circulation line
Ring pump 17, the first user side valve 15 is mounted in the feed line of the winter circulation line, and is located at described the
Between one threeway 26 and building end thermoregulating system；The second user side valve door 16 and the installation of the first user side circulating pump 17
On the effuser road of the winter circulation line, and the second user side valve door 16 be located at second threeway 27 with
Between the first user side circulating pump 17；Cycle fluid enters from the outlet outflow of building end thermoregulating system and successively passes through institute
The pipe section simultaneously heating treatment, second threeway stating 15, first threeways 26 of the first user side valve, being contacted with condenser 13
27, building end thermoregulating system is flowed back to after second user side valve door 16, the first user side circulating pump 17；
The summer includes that third user side valve 23, fourth user side valve door 24 and second user side are followed with circulation line
Ring pump 25, the third user side valve 23 is mounted in the feed line of the summer circulation line, and is located at described the
Between three threeways 28 and building end thermoregulating system, the fourth user side valve door 24 and second user side circulating pump 25 are installed
On the effuser road of the summer circulation line, and the fourth user side valve door 24 is located at second user side circulation
Between pump 25 and the 4th threeway 29；Cycle fluid enters from the outlet outflow of building end thermoregulating system and successively passes through institute
State third user side valve 23, third threeway 28, the pipe section contacted with evaporator 11 and the processing that cools down, the 4th threeway
29, building end thermoregulating system is flowed back to after fourth user side valve door 24, second user side circulating pump 25；
The conditioning in Transition Season circulation line includes the first radiator side valve door 30, the second radiator side valve door 31 and heat dissipation
Device 36, the first radiator side valve door 30 are mounted on the effuser road of radiator 36, and are located at described 5th
Between threeway 34 and radiator 36, the second radiator side valve door 31 is mounted in the feed line of radiator 36,
And it is located at described 6th between threeway 35 and radiator 36；Cycle fluid enters successively from the outlet of radiator 36 outflow
By 30, the 5th threeways 34 of the first radiator side valve door, the second underground pipe side valve door 21, underground pipe side circulating pump 22
The pipe section that contacts with single U-shaped underground pipe 18 simultaneously extracts heat in surrounding soil, underground pipe side filter 19, the first underground pipe
The radiator 36 is flowed back to after side valve door 20, the 6th threeway 35, the second radiator side valve door 31.
Specifically, building end thermoregulating system is designed specifically to fan coil system, radiant floor heating system
Or building domestic hot-water's preparation system.
The mid-deep strata geothermal underground heat exchanger 1 is installed on 5 drilling well of the rock-soil layer that depth is 1000 meters to 3000 meters
In, the U-shaped underground pipe 18 of list is embedded in the rock-soil layer 5 that depth is 100 meters to 200 meters.
The heat pump unit 10 include evaporator 11, compressor 12, condenser 13 and throttle valve 14, the evaporator 11,
Compressor 12, condenser 13 and throttle valve 14 are connected together to form closed circuit by pipeline, 11 side of evaporator with
Heating system, summer are connected to circulation line under the mid-deep strata geothermal well, and 13 side of condenser and the shallow-layer are buried
Guard system, winter circulation line, the connection of conditioning in Transition Season circulation line.The heat pump unit 10 is same as the prior art, does not exist herein
It repeats.
The course of work of the utility model is as follows:
When winter, mid-deep strata geothermal underground heat exchanger system work as shown in Figure 1 first turns on first sleeve heat exchanger
Side valve door 7, the second double-tube heat exchanger side valve door 8 close third underground pipe side valve door 32, the 4th underground pipe side valve door 33, first
Radiator side valve door 30, the second radiator side valve door 31 are opened and are followed with what heating system under mid-deep strata geothermal well was connect
Ring working medium flows out pipeline, cycle fluid feed line, closes the connection with the buried guard system of shallow-layer and conditioning in Transition Season circulation line；Together
When, the first user side valve 15, second user side valve door 16 are opened, heat pump unit 10 is opened and is connect with building end thermoregulating system
Winter circulation line closes third user side valve 23, fourth user side valve door 24, i.e. closing summer circulation pipe
Road, so that mid-deep strata underground, which is implemented separately, takes heat-heat supply mode.At this point, mid-deep strata geothermal underground heat exchanger 1 is placed in rock-soil layer 5
In drilling well, the outer tube 3 of mid-deep strata geothermal underground heat exchanger 1, inner sleeve 2, double-tube heat exchanger side filter 6, first sleeve are changed
Hot device side valve door 7, third threeway 28, the pipeline being connected to evaporator 11, the 4th threeway 29, the second double-tube heat exchanger side valve
Door 8 and double-tube heat exchanger side circulating pump 9 are flowed out by cycle fluid, feed line forms a closed circuit, and cycle fluid exists
It flows downward, is flowing downward between 3 inner wall of 2 outer wall of inner sleeve and outer tube under the driving of double-tube heat exchanger side circulating pump 9
During sufficiently exchanged heat with surrounding soil, rock etc., when flowing to bottom due to the effect of driving force, cycle fluid
Mid-deep strata geothermal underground heat exchanger 1 is flowed out along the inside of inner sleeve 2 again, the cycle fluid of outflow is by the sleeve heat exchange on pipeline
Reverse heat-exchange, release heat are carried out after the filtering of device side filter 6 with the refrigerant of 11 internal flow of evaporator of heat pump unit 10
Cycle fluid after amount flows into mid-deep strata geothermal underground heat exchanger 1 further through double-tube heat exchanger side circulating pump 9 and carries out taking heat, successively
It moves in circles；10 internal refrigeration storage agent of heat pump unit is gone forward side by side after obtaining heat at evaporator 11 by after the acting of compressor 12 one
Enter to condenser 13, carries out inversely exchanging heat, refrigerant institute with the cycle fluid that user's lateral line flows into 13 side of condenser
The heat of carrying is released to user side cycle fluid at condenser 13, with circulation line is that user side builds end by winter
Hold thermoregulating system to provide institute's calorific requirement, release the refrigerant after heat carried out again through 14 Returning evaporimeter 11 of throttle valve it is inverse
To heat exchange, reciprocal, heating operation of the realization mid-deep strata underground heat to user is circuited sequentially.
Temperature range of the cycle fluid when flowing out mid-deep strata geothermal underground heat exchanger 1 is about 20 DEG C -60 DEG C, ground
The mid-deep strata underground heat that heat pump unit 10 is extracted using cycle fluid, by 10 mode of heat pump unit to building end temperature adjustment system
System provides heat, and the heat supply temperature range reached is about 40 DEG C -55 DEG C.
The mid-deep strata geothermal underground heat exchanger system can exchange mid-deep strata underground heat under the premise of only taking heat not fetch water
Can, avoid the water level decreasing due to caused by the excessive exploitation of water, land subsidence, heat storage the lost of life, abandon hydro-thermal pollution and
A series of problems, such as chemical contamination, makes full use of mid-deep strata geothermal energy to provide heat in winter for surface structures.
When summer, the buried guard system work of shallow-layer as shown in Figure 1 first turns on the first underground pipe side valve door 20, second
Underground pipe side valve door 21, third underground pipe side valve door 32, the 4th underground pipe side valve door 33 open the company with the buried guard system of shallow-layer
It is logical, close first sleeve heat exchanger side valve door 7, the second double-tube heat exchanger side valve door 8, the first radiator side valve door 30, second
Radiator side valve door 31 closes cycle fluid the outflow pipeline, circulation industrial connecting with heating system under mid-deep strata geothermal well
Matter feed line and conditioning in Transition Season circulation line, meanwhile, third user side valve 23, fourth user side valve door 24 are opened, heat is opened
The summer circulation line of pump assembly 10 and building end thermoregulating system connection is closed the first user side valve 15, second and is used
Family side valve door 16, i.e. closing winter circulation line, so that shallow underground pipe laying heat dissipation-refrigeration mode be implemented separately；At this point, shallow
Layer underground heat exchanger using single U-shaped underground pipe 18, the outflow upper port of single U-shaped underground pipe 18, underground pipe side filter 19,
33, first first 20, the 6th, underground pipe side valve door threeway 35, the 4th underground pipe side valve door threeways 26 connect with condenser 13
It is logical pipeline, second threeway 27,32, the 5th threeways 34 of third underground pipe side valve door, the second underground pipe side valve door 21, buried
Pipe side circulating pump 22, singly the inflow upper port of U-shaped underground pipe 18 pass sequentially through cycle fluid outflow pipeline, cycle fluid flows into pipe
Road is connected as a closure pipeline, driving lower edge list U-shaped underground pipe 18 inside stream of the cycle fluid in underground pipe side circulating pump 22
Dynamic, cycle fluid flows out after entire single U-shaped underground pipe 18 from the other end, from single U-shaped 18 one end feed line of underground pipe at this
The heat of carrying is released to surrounding soil by cycle fluid during position is flowed, and cycle fluid outflow after cooling is by pipe
It is inversely changed after the filtering of road underground pipe side filter 19 with the refrigerant of 13 internal flow of condenser of heat pump unit 10
Heat, the cycle fluid after obtaining heat flow into single U-shaped underground pipe 18 further through underground pipe side circulating pump 22 and radiate, successively follow
Ring is reciprocal；10 internal refrigeration storage agent of heat pump unit enters evaporator 11, In through throttle valve 14 after release heat at condenser 13
The summer of 11 side of evaporator and user side carries out reverse heat exchange, user side cycle fluid with the cycle fluid that circulation line flows into
Entrained heat is released to refrigerant at evaporator 11, with circulation line is that user side builds end temperature adjustment by summer
System provides institute's chilling requirement, obtains the refrigerant after heat and carries out reverse heat friendship again into condenser 13 through compressor 12
It changes, circuits sequentially back and forth, to realize that shallow-layer underground pipe provides cooling capacity in summer for surface structures.
Temperature range of the cycle fluid when flowing out single U-shaped underground pipe 18 is about 15 DEG C -30 DEG C, the heat pump unit of ground
10 using rejecting heat to cycle fluid temperature after soil, by 10 mode of heat pump unit to building end thermoregulating system
Cooling capacity is provided, the refrigeration temperature levels reached are about 20 DEG C -30 DEG C.
The heat entrained by itself is discharged while cycle fluid flows in underground pipe in the buried guard system of the shallow-layer
To the soil of surrounding, without directly by hot driving into atmospheric environment, reducing thermal pollution and chemistry dirt to atmospheric environment
A series of problems, such as dye, makes full use of thin solum to provide cooling capacity in summer for surface structures.
When conditioning in Transition Season, conditioning in Transition Season circulation line work as shown in Figure 1, first turn on the first radiator side valve door 30,
Second radiator side valve door 31 opens the connection with conditioning in Transition Season circulation line, closes and heating system under mid-deep strata geothermal well
The cycle fluid of connection flows out pipeline, cycle fluid feed line, register one's residence circulation line and heat pump unit 10, meanwhile, open the
One underground pipe side valve door 20, the second underground pipe side valve door 21 close third underground pipe side valve door 32, the 4th underground pipe side valve door
33, so that flowing of the cycle fluid in conditioning in Transition Season circulation line be implemented separately；At this point, the outflux of radiator 36, first
30, the 5th threeways 34 of radiator side valve door, the second underground pipe side valve door 21, underground pipe side circulating pump 22, single U-shaped underground pipe
18, underground pipe side filter 19,20, the 6th threeways 35 of the first underground pipe side valve door, the second radiator side valve door 31, heat dissipation
The inflow entrance of device 36 passes sequentially through cycle fluid outflow pipeline, cycle fluid feed line is connected as a closure pipeline, follows
Ring working medium flows under the driving of underground pipe side circulating pump 22 along conditioning in Transition Season circulation line, and cycle fluid is from single U-shaped underground pipe 18
One end feed line flows out after entire single U-shaped underground pipe 18 from the other end, and cycle fluid will during flowing in the position
The heat in surrounding soil is absorbed, the cycle fluid outflow after heating on pipeline after the filtering of underground pipe side filter 19 by flowing
Enter in the radiator 36 onto ground, the cycle fluid after temperature is reduced in radiator 36 is recycled further through underground pipe side
Pump 22 flows into single U-shaped underground pipes 18 and carries out taking heat, circuit sequentially it is reciprocal, by 36 import and export temperature monitoring of radiator, when following
After ring Temperature of Working reaches prescribed requirement, pipeline operation can be stopped, if not reaching prescribed requirement, being opened in the conditioning in Transition Season stage
Pipeline is until reach requirement.
When conditioning in Transition Season, by the single operation of the cycle fluid in conditioning in Transition Season circulation line, cycle fluid is flowed through
During the entire process of underground pipe, the heat in surrounding soil is carried out, and heat will be carried in radiator 36 and released
It puts, so that the soil moisture around underground pipe is restored, while reducing and underground weighing apparatus phenomenon uneven in temperature occurs, from
And make heat pump unit 10 that can be worked under a comparatively ideal operating condition in summer use process, greatly improve heat pump unit 10
Working efficiency.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model
Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are practical new to this
The various changes and improvements that the technical solution of type is made should all fall into the protection scope that the utility model claims book determines
It is interior.
Claims (10)
1. a kind of geothermal energy combined running system, it is characterised in that: including heating system, shallow-layer underground pipe under mid-deep strata geothermal well
System, conditioning in Transition Season circulation line and heat pump unit and circulation line of registering one's residence, building end thermoregulating system, the circulation pipe of registering one's residence
Road includes winter circulation line, summer circulation line；Evaporator (11) side of the heat pump unit (10) passes through two
Heating system, summer circulation line are connected to building end thermoregulating system under mid-deep strata geothermal well in parallel, the heat pump machine
It is used by three buried guard systems of the shallow-layer in parallel, conditioning in Transition Season circulation line and winter condenser (13) side of group (10)
Circulation line is connected to building end thermoregulating system；
Heating system, the connectivity part of summer circulation line are provided with third threeway (28), under the mid-deep strata geothermal well
Four threeways (29), the buried guard system of the shallow-layer, winter circulation line connectivity part be provided with first threeway (26),
Two threeways (27), the buried guard system of the shallow-layer, conditioning in Transition Season circulation line connectivity part be provided with the 5th threeway (34),
Six threeways (35)；Adjust respective line on valve open and close come realize heating system under the mid-deep strata geothermal well,
The alternately operating of the buried guard system of shallow-layer.
2. geothermal energy combined running system according to claim 1, it is characterised in that: heat supply under the mid-deep strata geothermal well
System includes mid-deep strata geothermal underground heat exchanger (1) and double-tube heat exchanger side circulating pump (9), is exchanged heat under the mid-deep strata geothermal well
Device (1) is fixed in rock-soil layer (5) by cement pouring layer (4), and the mid-deep strata geothermal underground heat exchanger (1) includes inner sleeve
(2) it is closed with outer tube (3), the bottom of the outer tube (3) and side wall, the inner sleeve (2) is placed in the interior of outer tube (3)
Portion, and the bottom of the inner sleeve (2) is higher than the bottom of the outer tube (3), the bottom of the inner sleeve (2) is set as being open
And be connected with the bottom of the outer tube (3), one end phase of the upper port and cycle fluid feed line of the outer tube (3)
The upper port of connection, the inner sleeve (2) is connected with one end of cycle fluid outflow pipeline, and the cycle fluid flows into pipe
The other end that pipeline is flowed out on road, cycle fluid is connected with evaporator (11) side of the heat pump unit (10) on ground；Institute
Double-tube heat exchanger side circulating pump (9) is stated to be mounted in the cycle fluid feed line；
Heating system further includes first sleeve heat exchanger side valve door (7) and the second double-tube heat exchanger side under the mid-deep strata geothermal well
Valve (8), the first sleeve heat exchanger side valve door (7), the second double-tube heat exchanger side valve door (8) are separately mounted to the circulation
On working medium outflow pipeline, cycle fluid feed line.
3. geothermal energy combined running system according to claim 2, it is characterised in that: the inner sleeve (2) and described the
Cycle fluid effuser road between a set of heat exchange of heat pipe side valve door (7) is provided with the double-tube heat exchanger side of Water warfare
Filter (6).
4. geothermal energy combined running system according to claim 2, it is characterised in that: the buried guard system of shallow-layer includes
Single U-shaped underground pipe (18) and underground pipe side circulating pump (22), the U-shaped underground pipe of list (18) are embedded in the rock-soil layer (5), institute
Two upper ports for stating single U-shaped underground pipe (18) flow out one end phase of pipeline with cycle fluid feed line, cycle fluid respectively
Connection, the cycle fluid feed line, cycle fluid flow out the heat pump unit (10) on the other end and ground of pipeline
Condenser (13) side be connected；Underground pipe side circulating pump (22) is mounted in the cycle fluid feed line；
The buried guard system of shallow-layer further includes the first underground pipe side valve door (20), the second underground pipe side valve door (21), third
Pipe laying side valve door (32), the 4th underground pipe side valve door (33), the first underground pipe side valve door (20) and the 4th underground pipe side valve
Door (33), the second underground pipe side valve door (21) and third underground pipe side valve door (32) are separately mounted to the cycle fluid effuser
On road, cycle fluid feed line.
5. geothermal energy combined running system according to claim 4, it is characterised in that: the U-shaped underground pipe of list (18) with
Cycle fluid effuser road between the first underground pipe side valve door (20) is provided with the underground pipe side of Water warfare
Filter (19).
6. geothermal energy combined running system according to claim 4, it is characterised in that: first threeway (26) is located at
The connectivity part of the feed line of the cycle fluid outflow pipeline and winter circulation line of the buried guard system of shallow-layer, institute
State second threeway (27) be located at the buried guard system of the shallow-layer cycle fluid feed line and the winter circulation line
Outflow pipeline connectivity part；The third threeway (28) is mounted on the circulation industrial of heating system under the mid-deep strata geothermal well
Mass flow goes out the connectivity part of the feed line of pipeline and the summer circulation line, and the 4th threeway (29) is mounted on described
The connection of the outflow pipeline of the cycle fluid feed line of heating system and the summer circulation line under mid-deep strata geothermal well
Place；5th threeway (34) is mounted on the cycle fluid feed line of the buried guard system of the shallow-layer and the conditioning in Transition Season follows
The connectivity part of the cycle fluid outflow pipeline on endless tube road, the 6th threeway (35) are mounted on the buried guard system of the shallow-layer
Cycle fluid flows out the connectivity part of the cycle fluid feed line of pipeline and the conditioning in Transition Season circulation line.
7. geothermal energy combined running system according to claim 6, it is characterised in that: the winter includes with circulation line
First user side valve (15), second user side valve door (16) and the first user side circulating pump (17), the first user side valve
Door (15) is mounted in the feed line of the winter circulation line, and is located at first threeway (26) and building end
Between thermoregulating system；The second user side valve door (16) and the first user side circulating pump (17) are mounted on the winter circulation
The effuser road of pipeline, and the second user side valve door (16) is located at second threeway (27) and first user
Between side circulating pump (17)；Cycle fluid enters from the outlet outflow of building end thermoregulating system and successively passes through first user
Side valve door (15), first threeway (26), the pipe section contacted with condenser (13) and heating treatment, second threeway
(27), building end thermoregulating system is flowed back to after second user side valve door (16), the first user side circulating pump (17)；
The summer includes that third user side valve (23), fourth user side valve door (24) and second user side are followed with circulation line
Ring pumps (25), and the third user side valve (23) is mounted in the feed line of the summer circulation line, and is located at institute
It states between third threeway (28) and building end thermoregulating system, the fourth user side valve door (24) and second user side circulation
Pump (25) is mounted on the effuser road of the summer circulation line, and the fourth user side valve door (24) is located at described the
Between two user side circulating pumps (25) and the 4th threeway (29)；Outlet stream of the cycle fluid from building end thermoregulating system
Enter out and successively passes through the third user side valve (23), third threeway (28), the pipe section contacted with evaporator (11)
Divide and is flowed back to after the processing that cools down, the 4th threeway (29), fourth user side valve door (24), second user side circulating pump (25) described
Build end thermoregulating system；
The conditioning in Transition Season circulation line includes the first radiator side valve door (30), the second radiator side valve door (31) and heat dissipation
Device (36), the first radiator side valve door (30) are mounted on the effuser road of radiator (36), and are located at described
Between 5th threeway (34) and the radiator (36), the second radiator side valve door (31) is mounted on radiator
(36) in feed line, and between the 6th threeway (35) and the radiator (36)；Cycle fluid is from institute
The outlet outflow for stating radiator (36) enters successively by the first radiator side valve door (30), the 5th threeway
(34), the pipe section that the second underground pipe side valve door (21), underground pipe side circulating pump (22) are contacted with single U-shaped underground pipe (18) is simultaneously
Extract heat, underground pipe side filter (19), the first underground pipe side valve door (20), the 6th threeway (35), the in surrounding soil
The radiator (36) are flowed back to after two radiator side valve doors (31).
8. geothermal energy combined running system according to claim 7, it is characterised in that: the building end thermoregulating system tool
Body is designed as fan coil system, radiant floor heating system or building domestic hot-water's preparation system.
9. geothermal energy combined running system according to claim 4, it is characterised in that: exchange heat under the mid-deep strata geothermal well
Device (1) is installed in the rock-soil layer (5) drilling well that depth is 1000 meters to 3000 meters, and the U-shaped underground pipe of list (18) is embedded in
In the rock-soil layer (5) that depth is 100 meters to 200 meters.
10. geothermal energy combined running system according to claim 1, it is characterised in that: the heat pump unit (10) includes
Evaporator (11), compressor (12), condenser (13) and throttle valve (14), the evaporator (11), compressor (12), condenser
(13) and throttle valve (14) is connected together to form closed circuit by pipeline, evaporator (11) side and the mid-deep strata
Heating system, summer are connected to circulation line under geothermal well, condenser (13) side and the buried guard system of the shallow-layer, winter
Season circulation line, conditioning in Transition Season circulation line connection.
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| CN201920288085.6U CN209623134U (en) | 2019-03-07 | 2019-03-07 | A kind of geothermal energy combined running system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869935A (en) * | 2019-03-07 | 2019-06-11 | 河北工程大学 | A kind of geothermal energy combined running system |
| CN112629074A (en) * | 2021-01-05 | 2021-04-09 | 中国长江三峡集团有限公司 | Shallow geothermal ground source heat pump system and method based on middle-deep geothermal energy |
| CN113883735A (en) * | 2021-09-29 | 2022-01-04 | 万江新能源集团有限公司 | Deep well heat exchange heat pump system utilizing working medium phase change heat absorption |
-
2019
- 2019-03-07 CN CN201920288085.6U patent/CN209623134U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869935A (en) * | 2019-03-07 | 2019-06-11 | 河北工程大学 | A kind of geothermal energy combined running system |
| CN109869935B (en) * | 2019-03-07 | 2024-02-02 | 河北工程大学 | Geothermal energy composite operation system |
| CN112629074A (en) * | 2021-01-05 | 2021-04-09 | 中国长江三峡集团有限公司 | Shallow geothermal ground source heat pump system and method based on middle-deep geothermal energy |
| CN113883735A (en) * | 2021-09-29 | 2022-01-04 | 万江新能源集团有限公司 | Deep well heat exchange heat pump system utilizing working medium phase change heat absorption |
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