CN106440427A - Surface water source terrestrial heat utilization system based on ground source heat pump - Google Patents
Surface water source terrestrial heat utilization system based on ground source heat pump Download PDFInfo
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- CN106440427A CN106440427A CN201610773095.XA CN201610773095A CN106440427A CN 106440427 A CN106440427 A CN 106440427A CN 201610773095 A CN201610773095 A CN 201610773095A CN 106440427 A CN106440427 A CN 106440427A
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- 239000002352 surface water Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000001914 filtration Methods 0.000 claims description 32
- 230000002787 reinforcement Effects 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 102000010637 Aquaporins Human genes 0.000 claims 3
- 108010063290 Aquaporins Proteins 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 239000003507 refrigerant Substances 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 15
- 239000003795 chemical substances by application Substances 0.000 description 13
- 239000004576 sand Substances 0.000 description 8
- 238000012546 transfer Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- -1 therefore Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/084—Screens comprising woven materials, e.g. mesh or cloth
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/088—Wire screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the field of terrestrial heat utilization and provides a surface water source terrestrial heat utilization system based on a ground source heat pump. Heat source wells are formed nearby a surface water source, and energy of surface water in the heat source wells can be applied to a terrestrial heat system. A heat exchanger is arranged in each heat source well and used for collecting the heat energy of the surface water. Cold media and heat media in each heat exchanger are subjected to multiple times of circulation heat exchange, and the heat exchange effect is better.
Description
Technical field
The present invention relates to geothermal utilization field, be specifically related to the earth surface water source terrestrial heat utilization system based on earth source heat pump.
Background technology
Earth surface water source refers to the fresh water amount that can update year by year in surface water, is the important component part of water resource, including ice
Snow-broth, rivers and creeks water and lakes and marhshes water etc., generally represent its quantity with the natural stream runoff after reduction.Due to surface water and underground
There is certain contact between water, therefore, water resources assessment must be deducted the part water yield in recharge of ground water river.
But current geothermal system is not applied on earth surface water source so that the heat energy of earth surface water source is not utilized.But
It is in prior art and to provide effective earth surface water source and utilize system.
Content of the invention
For defect of the prior art, the present invention provides a kind of earth surface water source geothermal utilization system based on earth source heat pump
System, is capable of earth surface water source geothermal utilization, and earth surface water source capacity usage ratio is high.
Based on the earth surface water source terrestrial heat utilization system of earth source heat pump, including heat-exchange system, earth's surface pipeline and earth source heat pump
System;Earth-source hot-pump system includes compressor, evaporimeter, expansion valve and condenser;The entrance of evaporimeter respectively with heat exchange system
The outlet of the outlet of system and earth's surface pipeline connects, the outlet with the outlet of heat-exchange system and earth's surface pipeline respectively of the entrance of condenser
Connect, the outlet of evaporimeter is connected with the entrance of heat-exchange system and the entrance of earth's surface pipeline respectively, the outlet of condenser respectively with
The entrance of the entrance of heat-exchange system and earth's surface pipeline connects;Described heat-exchange system includes circulating pump, heat exchange valve, is arranged on surface water
Thermal source well near source and heat exchanger;Thermal source well includes well room, is arranged on the indoor screen pipe of well and sediment tube;Bottom sediment tube
Indoor at well by Plate Welding, the thermal source well Chong Jing room degree of depth is 3000 meters~5000m;Heat exchanger is arranged in thermal source well;Change
Hot device is connected with circulating pump and heat exchange valve successively;Described earth's surface pipeline is embedded in house indoor below ground;Described heat exchanger includes
Heat exchanger tube and the heat exchange entrance and the heat exchange outlet that are arranged on heat exchanger tube two ends;Heat exchanger tube includes heat exchange inner tube and and heat exchange
The heat exchange outer tube that inner tube is coaxially disposed, the inner chamber of heat exchange inner tube forms connection heat exchange entrance and the cold water channel of heat exchange outlet, changes
Chamber between hot inner tube with heat exchange outer tube forms the hot water channel connecting heat exchange entrance and heat exchange outlet;In heat exchange inner tube successively
Be parallel to each other and be provided with the first dividing plate, second partition and the 3rd dividing plate, cold water channel is divided into the first chamber, the second chamber,
Three chambers and the 4th chamber;Also include the first connecting tube, the second connecting tube, the 3rd connecting tube and the 4th connecting tube;First connects
Pipe passes through the second chamber from the first chamber and arranges;Second connecting tube passes through the 3rd chamber from the second chamber and stretches in the 4th chamber,
And wear back the 3rd chamber setting from the 4th chamber flex;3rd connecting tube passes through the second chamber from the 3rd chamber and stretches into the first chamber
Interior setting;3rd connecting tube is arranged in the first chamber passes through the second chamber and the 3rd chamber stretches into the 4th chamber.
Preferably, described heat exchange inner tube is made from a material that be thermally conductive.
Preferably, the end of described first connecting tube, the second connecting tube, the 3rd connecting tube and the 4th connecting tube is equipped with list
To valve;Wherein in the first connecting tube, the flap of check valve is opened along the direction passing through the second chamber from the first chamber;Second even
The flap that adapter is positioned at check valve in the end of the second chamber is opened along the direction passing through the 3rd chamber from the second chamber, the
The flap that two connecting tubes are positioned at check valve in the end of the 3rd chamber is beaten along the direction passing through the 3rd chamber from the 4th chamber
Open;In 3rd connecting tube, the flap of check valve is opened along the direction passing through the second chamber from the 3rd chamber;In 4th connecting tube
The flap of check valve is opened along the direction passing through the second chamber from the first chamber.
Preferably, being additionally provided with filter in described thermal source well, filter includes:First level filtering device and cascade filtration dress
Putting, described two-stage filter is arranged in described first level filtering device;Described first level filtering device includes base pipe, protection gear
Muscle and bag net, described base pipe is pipe, and described base pipe tube wall has been evenly arranged permeable hole, and described protection block reinforcement is vertically welded
Being connected on base pipe outer wall, protection block reinforcement is equally spaced, and described bag net is wrapped on protection block reinforcement and base pipe outer wall, bag net
The scope of vertical parcel is fastened at protection block reinforcement and base pipe outer wall more than the scope of protection block reinforcement, bag net external application iron wire
On;Described two-stage filter includes that inner tube, outer tube, dividing plate and filter core, said inner tube and outer tube are pipe, inner and outer tubes
Being coaxially disposed, outer tube wall being evenly arranged permeable hole, outer tube top is provided with suspension ring, described dividing plate one end and outer wall of inner tube
Fixing connection, the dividing plate other end is fixing with outer tube wall to be connected, and dividing plate will be divided into multiple chamber between inner tube and outer tube, described
Filter core is filled in the cavity, and chamber upper and lower side is uncovered, for discharging the water after filter element filtering;Described outer tube top sets
Being equipped with annular outer tube excrescence outwardly, described base pipe is provided with excrescence and base on inwardly projecting ring foundation pipe
Excrescence under plinth pipe, described outer tube is passed down through excrescence inner circle on described base pipe, and outer tube excrescence is pressed on base pipe prominent
Going out on body, outer pipe bottom is pressed under described base pipe on excrescence, and described base pipe pads between excrescence and outer tube excrescence
There is rubber cushion, under described base pipe, between excrescence and outer pipe bottom, be lined with rubber cushion.
Preferably, described filter core is stainless steel filter core, and the outer wall of said inner tube and dividing plate are provided with consolidating outwardly
Locking member, described fixture is used for fixing described stainless steel filter core.
Preferably, the cross-sectional area of each described chamber is equal.
Preferably, the permeable hole of described base pipe is bar hole, and described bar hole upper and lower adjacent two rows mutually stagger.
Preferably, described protection block reinforcement uses antirust round steel, and a diameter of 4mm of described round steel, round steel spacing is 20mm.
Preferably, described bag net is nylon yarn bag net.
Preferably, described iron wire uses galvanized wire, and it is 10mm that iron wire is wound around spacing.
As shown from the above technical solution, the earth surface water source terrestrial heat utilization system based on earth source heat pump that the present invention provides, heat
Source well is arranged near earth surface water source, can be used for the energy of surface water in thermal source well in geothermal system.In each thermal source well
Being designed with heat exchanger, for collecting the heat energy of surface water, in heat exchanger, refrigerant and heating agent are through repeatedly cycle heat exchange, heat transfer effect
More preferably.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the accompanying drawing of required use is briefly described.In all of the figs, the element being similar to
Or part is typically by similar reference mark.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 shows the structural representation of the terrestrial heat utilization system providing in the present embodiment.
Fig. 2 shows the structural representation of heat exchanger in the terrestrial heat utilization system providing in the present embodiment;
Fig. 3 is the sectional structure schematic diagram of filter in the embodiment of the present invention;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is the C-C sectional view of Fig. 3;
Fig. 7 is the structural representation that the base pipe of filter in the embodiment of the present invention is combined with two-stage filter;
Fig. 8 is the structural representation of the two-stage filter of filter in the embodiment of the present invention.
In accompanying drawing, 41-heat-exchange system, 42-earth-source hot-pump system, 43-earth's surface pipeline, 21-the first chamber, 22-the second chamber
Room, 23-the 3rd chamber, 24-the 4th chamber, 25-the first dividing plate, 26-second partition, 27-the 3rd dividing plate, 30-heat exchange entrance,
31-heat exchange exports, 32-the first connecting tube, 33-the second connecting tube, 34-the 3rd connecting tube, 35-the 4th connecting tube.1-base pipe;
Excrescence on 11-base pipe;Excrescence under 12-base pipe;2-protects block reinforcement;3-bag net;4-iron wire;5-outer tube;The outer rostrum of 51-
Go out body;52-suspension ring;6-inner tube;61-fixture;7-chamber;8-dividing plate;9-permeable hole.
Detailed description of the invention
It is described in detail below in conjunction with the embodiment to technical solution of the present invention for the accompanying drawing.Following example are only used for
Technical scheme is clearly described, is therefore intended only as example, and the protection of the present invention can not be limited with this
Scope.
Embodiment:
Based on the earth surface water source terrestrial heat utilization system of earth source heat pump, as it is shown in figure 1, include heat-exchange system the 41st, earth's surface pipeline
43 and earth-source hot-pump system 42;Earth-source hot-pump system 42 includes compressor, evaporimeter, expansion valve and condenser;Evaporimeter
Entrance be connected with the outlet of heat-exchange system and the outlet of earth's surface pipeline respectively, the entrance of condenser respectively with the going out of heat-exchange system
The outlet of mouth and earth's surface pipeline connects, and the outlet of evaporimeter is connected with the entrance of heat-exchange system and the entrance of earth's surface pipeline respectively,
The outlet of condenser is connected with the entrance of heat-exchange system and the entrance of earth's surface pipeline respectively;Described heat-exchange system include circulating pump,
It heat exchange valve, is arranged on the thermal source well near earth surface water source and heat exchanger;Thermal source well includes well room, is arranged on the indoor screen pipe of well
And sediment tube;By Plate Welding in well indoor bottom sediment tube, the thermal source well Chong Jing room degree of depth is 3000 meters~5000m;Heat exchange
Device is arranged in thermal source well;Heat exchanger is connected with circulating pump and heat exchange valve successively;Described earth's surface pipeline is embedded in house indoor ground
Lower section;Described heat exchanger, as in figure 2 it is shown, include heat exchanger tube and be arranged on the heat exchange entrance 30 at heat exchanger tube two ends and heat exchange goes out
Mouth 31;Heat exchanger tube includes heat exchange inner tube and the heat exchange outer tube being coaxially disposed with heat exchange inner tube, and the inner chamber of heat exchange inner tube is formed even
Logical heat exchange entrance and the cold water channel of heat exchange outlet, the chamber between heat exchange inner tube with heat exchange outer tube formed connect heat exchange entrance and
The hot water channel of heat exchange outlet;Heat exchange inner tube is parallel to each other successively and is provided with the first dividing plate the 25th, second partition 26 and the 3rd dividing plate
27, cold water channel is divided into the first chamber the 21st, the second chamber the 22nd, the 3rd chamber 23 and the 4th chamber 24;Also include first even
Adapter the 32nd, the second connecting tube the 33rd, the 3rd connecting tube 34 and the 4th connecting tube 35;First connecting tube passes through the second chamber from the first chamber
Room is arranged;Second connecting tube passes through the 3rd chamber from the second chamber and stretches in the 4th chamber, and wears back the from the 4th chamber flex
Three chambers are arranged;3rd connecting tube passes through in the second chamber stretches into the first chamber from the 3rd chamber and arranges;3rd connecting tube is from
One chamber passes through the second chamber and the 3rd chamber stretches into setting in the 4th chamber.
By Plate Welding in well indoor bottom sediment tube, so can guarantee that sediment tube is seated in solid well indoor, as
Really in sediment tube, bottom is passed into disuse, and can be filled by rubble.In view of the water source situation of earth surface water source, thermal source well Chong Jing room is deep
Degree is 3000 meters~5000m, so ensure that the heat energy preferably absorbing earth surface water source, does not destroy earth surface water source simultaneously
Geology looks.
Heating agent enters hot water channel from heat exchange entrance, and flows out from heat exchange outlet;Refrigerant enters cold water from heat exchange entrance and leads to
Road, and flowing out from heat exchange outlet, by the heat conduction of heat exchange inner tube wall and fluid in the convection current of wall, it is achieved heating agent and refrigerant
Heat exchange.Refrigerant is after heat exchange entrance enters cold water channel, and part refrigerant rests on the heating agent in the first chamber, with hot water channel
Realizing heat exchange, part refrigerant flows to the second chamber along the first connecting tube from the first chamber.Enter the refrigerant of the second chamber, part
Refrigerant rests in the second chamber, realizes heat exchange with the heating agent of hot water channel, part refrigerant along the second connecting tube from the second chamber
Room flows to the 3rd chamber.Entering the refrigerant of the 3rd chamber, part refrigerant rests in the 3rd chamber, real with the heating agent of hot water channel
Existing heat exchange, part refrigerant flows to the first chamber along the 3rd connecting tube from the 3rd chamber.Entering the refrigerant of the first chamber, part is cold
Matchmaker rests in the first chamber, realizes heat exchange with the heating agent of hot water channel, part refrigerant along the 4th connecting tube from the first chamber
Flow to the 4th chamber, and flow out from heat exchange outlet.This refrigerant can realize repeatedly circulating and repeatedly heat exchange in transducer, can
More efficiently realize heat exchange.Described heat exchange inner tube is made from a material that be thermally conductive, and can preferably improve the heat exchange effect of heating agent and refrigerant
Really.
Under for thermal condition, described earth-source hot-pump system is followed by entrance four-way change-over valve and outlet four-way change-over valve control
The flow direction of ring water, makes outdoor recirculated water (both surface water) be introduced into described evaporimeter heat release, transfers heat to heating agent, after cooling
Return ground buried via hole again to absorb heat, forming chamber outer circulation.Described earth-source hot-pump system, will be in described steaming by described compressor work
Send out device to have absorbed the heating agent of heat and pass to described condenser, and in described condenser, complete the indoor of heating agent and earth's surface pipeline
The heat exchange of recirculated water;After heating agent after heat transfer cooling is by the decompression of described expansion valve, back flows back into described evaporimeter and again inhale
Heat, forms heat pump heat supply circulation.After the heat of the described condenser of indoor circulating water absorption reaches heating temperature, by earth's surface pipeline
Complete indoor heat release, return condenser after cooling and again absorb heat, form indoor circulation, reach indoor heating effect.
Under cooling condition, the outdoor recirculated water in heat-exchange system rejects heat to thermal source well by described heat exchanger,
The rear condenser sending into described earth-source hot-pump system, absorbs the heat in refrigerant, then returns release heat, follow outside forming chamber
Ring.Described earth-source hot-pump system does work, by completing the coolant transmission of heat release in described condenser to described evaporimeter, and in institute
State the heat absorbing indoor circulating water in the pipeline of earth's surface in evaporimeter;Refrigerant after heat absorption heats up back flows back into described condenser again
Secondary heat release, forms heat pump refrigeration cycle.Through the indoor circulating water of described evaporimeter heat release cooling, by the pipeline suction chamber of earth's surface
Heat, then returns the heat release again of described evaporimeter, completes indoor circulation, it is achieved the purpose of room temperature lowering.
This terrestrial heat utilization system, thermal source well is arranged near earth surface water source, can use the energy of surface water in thermal source well
In geothermal system.Each thermal source well is designed with heat exchanger, for collecting refrigerant and heating agent in the thermal energy heat exchanger of surface water
Through repeatedly cycle heat exchange, heat transfer effect is more preferable.
In order at utmost carry out heat exchange, reach more preferable heat transfer effect.
In order to prevent refrigerant return, the end of described first connecting tube, the second connecting tube, the 3rd connecting tube and the 4th connecting tube
Portion is equipped with check valve;Wherein in the first connecting tube, the flap of check valve is beaten along the direction passing through the second chamber from the first chamber
Open;Second connecting tube is positioned at the flap of check valve in the end of the second chamber along the side passing through the 3rd chamber from the second chamber
To opening, the flap that the second connecting tube is positioned at check valve in the end of the 3rd chamber passes through the 3rd chamber along from the 4th chamber
Direction open;In 3rd connecting tube, the flap of check valve is opened along the direction passing through the second chamber from the 3rd chamber;4th
In connecting tube, the flap of check valve is opened along the direction passing through the second chamber from the first chamber.
The setting of check valve in above-mentioned connecting tube ensure that refrigerant, after heat exchange entrance enters the first chamber, connects through first
Pipe enters the second chamber, then enters the 3rd chamber through the second connecting tube, enters the first chamber through the 3rd connecting tube, finally from the
After one chamber entrance the 4th chamber, flow out from heat exchange outlet, this ensure that refrigerant ability after repeatedly circulation and repeatedly heat exchange
Flowing out from heat exchange outlet, heat transfer effect is more preferable.
Thermal source well provides source of recycled water for entirely source heat pump system, is the important component part of whole system, for heat
The filter of source well is mainly used in filtering source of recycled water.But the filter of existing thermal source well is relatively rough, can only
Keeping off a part of oarse-grained sand, considering sand effect difference, silt is easily accessible in thermal source well, causes hoistway to silt up, and immersible pump will contain
The water of silt is extracted out and is utilized, and easily causes the damage of equipment, and the system that affects is run, and causes heavy losses;If using existing
The less accurate filter of some filter openings, although filter effect is preferable, but owing to filter opening is little, easily blocks, clean in well and
It is inconvenient, thermal source well tube filter good considers sand effect and filter opening easily block between there is the relation of contradiction.
For this present embodiment also provides for the filter of geothermal well, as shown in figures 3-8, including first level filtering device and
Two-stage filter, two-stage filter is arranged in first level filtering device;The 1st, first level filtering device includes the base pipe of circle
Protection block reinforcement 2 and bag net 3, base pipe 1 tube wall has been evenly arranged permeable hole 9, and permeable hole 9 is bar hole, upper and lower adjacent two rows
Mutually staggering, protection block reinforcement 2 uses the antirust round steel of a diameter of 4mm, is vertically welded on base pipe 1 outer wall, and its spacing is
20mm, bag net 3 is nylon yarn bag net 3, is wrapped on protection block reinforcement 2 and base pipe 1 outer wall, and the scope that bag net 3 vertically wraps up is big
In the scope of protection block reinforcement 2, bag net 3 external application galvanized wire 4 is fastened outside protection block reinforcement 2 and base pipe 1 with 10mm spacing
On wall;Two-stage filter includes inner tube the 6th, outer tube the 5th, dividing plate 8 and filter core, and inner tube 6 and outer tube 5 are pipe, inner tube 6 and outer tube
5 are coaxially disposed, and outer tube 5 tube wall has been evenly arranged permeable hole 9, and permeable hole 9 is circular port, and left and right two row mutually stagger, basis
The discharge area of the permeable hole 9 of pipe is more than the discharge area of the permeable hole 9 of outer tube, and outer tube 5 top is provided with four suspension ring 52, every
Plate 8 one end is fixing with inner tube 6 outer wall to be connected, and dividing plate 8 other end is fixing with outer tube 5 inwall to be connected, and dividing plate 8 is by inner tube 6 and outer tube 5
Between be divided into the equal chamber of multiple cross-sectional area 7, filter core uses stainless steel filter core, is filled in chamber 7, and chamber is about 7
End is uncovered, for discharging the water after filter element filtering, the outer wall of inner tube 6 and dividing plate 8 is provided with fixture outwardly
61, fixture 61 is used for fixing stainless steel filter core, base pipe 1 surfaces externally and internally, the surfaces externally and internally of inner tube 6, the surfaces externally and internally of outer tube 5
All scribble corrosion-resistant coating with the surface of permeable hole 9;Outer tube 5 top is provided with annular outer tube excrescence 51 outwardly, basis
Pipe 1 is provided with on inwardly projecting ring foundation pipe excrescence 12 under excrescence 11 and base pipe, and outer tube 5 is passed down through base pipe
Upper excrescence 11 inner circle, outer tube excrescence 51 is pressed on base pipe on excrescence 11, is pressed in excrescence under base pipe bottom outer tube 5
On 12, base pipe is lined with between excrescence 11 and outer tube excrescence 51 rubber cushion, under base pipe bottom excrescence 12 and outer tube 5 it
Between be lined with rubber cushion.
The present invention includes first level filtering device and two-stage filter for the filter of thermal source well.Wherein single filter dress
Put and silt is slightly considered, be mainly used in filtering out oarse-grained sand;It has been evenly arranged bar shaped permeable hole on base pipe 1 tube wall
9, upper and lower adjacent two rows mutually stagger, and make permeable hole 9 be more evenly distributed, and filter the underground water of entrance base pipe 1 also evenly,
Nylon yarn bag net 3, by protection block reinforcement 2 pad, is wrapped in outside pipe, is fixed by galvanized wire 4, in underground water thermal source to be entered well,
First have to permeable hole 9 two-layer through nylon yarn bag net 3 and base pipe to filter, filter out oarse-grained sand.Cascade filtration fills
Putting and carrying out essence worry to silt, be mainly used in filtering out tiny silt, two-stage filter includes inner tube the 6th, outer tube the 5th, dividing plate 8 and
Filter core, inner tube 6 is coaxially arranged with outer tube 5, and dividing plate 8 is the connecting framework of inner tube 6 and outer tube 5, simultaneously by inner tube 6 and outer tube 5 it
Between space be divided into the equal chamber of multiple cross-sectional area 7, filtered by such segmentation, each chamber 7 water yield is uniform, can promote
The effect filtering and efficiency, fill stainless steel filter core, by such design, make whole two-stage filter be one in chamber 7
Individual entirety, sound construction;Meanwhile, stainless steel filter core has good strainability, and the underground water after filtration can meet system to be made
With requiring, its corrosion resistance, heat resistance, resistance to pressure, wearability are good, can meet severe underground environment, and its core pore is uniformly, accurately
Filtering accuracy, the flow of unit are is big, can improve the efficiency that essence is considered, meet system water demand, permissible after its cleaning
Re-use, free of replacement, economize on resources, reduce cost;Two-stage filter is mainly by permeable hole 9 He being located on outer tube 5 tube wall
Filter core two-layer in chamber 7 filters, and left and right adjacent two row of permeable hole 9 mutually stagger, and make permeable hole 9 be more evenly distributed, enter chamber
The underground water of room 7 is also evenly;The discharge area of the permeable hole 9 of base pipe, more than the discharge area of the permeable hole 9 of outer tube, can be protected
The thick worry of card is considered for essence provides enough water yields, promotes filter efficiency;Inner tube 6 is not provided with permeable hole 9, chamber 7 upper and lower end opening,
After underground water enters chamber 7, to the flowing of chamber 7 two ends, discharge from chamber 7 upper and lower end, by such design, extend ground
Flow path in filter core for the lower water, improves filter effect, owing to, in filter process, filter core is susceptible to displacement, conglomeration, Gu
Stainless steel filter core is played fixation by locking member 61, and during filtration, the flowing of water will not make filter core be subjected to displacement, filter core will not conglomeration,
Thus ensure that the normal work of filter core, improve filter effect;The environment of underground typically all compares badly, and corrosivity is relatively strong,
These and underground water on the surface of base pipe 1 surfaces externally and internally, the surfaces externally and internally of inner tube 6, the surfaces externally and internally of outer tube 5 and permeable hole 9
Or the part that soil directly contacts applies one layer of corrosion-resistant coating, the corrosion of filter component can be reduced, increase the service life.
First level filtering device filter opening is relatively big, is not easily blocked, can filter out bulky grain sand, and two-stage filter filter opening is little,
Easily blocking, can filter out tiny silt, use the mode of this classified filtering, can more thoroughly filter out sand, again can
Reduce the probability of plugged filter.
Outer tube 5 is passed down through excrescence 11 inner circle on base pipe, and outer tube excrescence 51 is pressed on base pipe on excrescence 11,
It is pressed in bottom outer tube 5 under base pipe on excrescence 12, by this dismountable mode by two-stage filter and single filter
Device is combined together, and in combination with being all lined with rubber cushion between position, by the deadweight compacting rubber cushion of two-stage filter, seals
Effect is good, and silt will not flow out from gap;Two-stage filter and first level filtering device detachably separate, and can pass through outer tube 5
Two-stage filter is integrally lifted cleaning, maintenance or changes by the suspension ring 52 that top is arranged, and will after cleaning, keep in repair or changing again
Two-stage filter hangs in thermal source well, is used in combination with first level filtering device, thus the worry sand effect solving
And filter opening easily block between contradiction.
The present invention for thermal source well filter draw water with recharge in the method for operation different, specific as follows:
When drawing water, need first level filtering device and two-stage filter jointly to act on, secondary protection device is hung in thermal source
In well, outer tube 5 is passed down through excrescence 11 inner circle on base pipe, and outer tube excrescence 51 is pressed on base pipe on excrescence 11, with
First level filtering device fits together, and the underground water containing silt flows through nylon yarn bag net 3, permeable through the bar shaped on base pipe 1
Hole 9 enters in thermal source well, completes the single filter of silt in the outer filtration through nylon yarn bag net 3 and bar shaped permeable hole 9 of well;Warp
Cross the underground water after thick worry and enter chamber 7 through the circular permeable hole on outer tube 5, through the essence worry of stainless steel filter core, from chamber 7,
Lower open mouth is discharged, and completes the cascade filtration of silt, thus is met the underground water source of Production requirement.
Recharge the water source being intended to after utilizing and go back to underground through thermal source well irrigation, in order to reduce the resistance recharging, need two grades
Filter integrally hangs out outside well, and recharge water flows out through the bar shaped permeable hole 9 on base pipe 1, then passes through nylon yarn bag net 3 and flows
Return to underground, contrary with the flow direction drawing water when filtering, cleaning is played the role of to first level filtering device, prevents from considering hole plug,
Meanwhile, after two-stage filter hangs out, it can be carried out, keeps in repair or maintains.
Finally it should be noted that:Various embodiments above only in order to technical scheme to be described, is not intended to limit;To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that:It depends on
So the technical scheme described in foregoing embodiments can modify, or wherein some or all of technical characteristic is entered
Row equivalent;And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme, it all should be covered in the middle of the claim of the present invention and the scope of specification.
Claims (10)
1. the earth surface water source terrestrial heat utilization system based on earth source heat pump, including heat-exchange system, earth's surface pipeline and earth source heat pump system
System;Earth-source hot-pump system includes compressor, evaporimeter, expansion valve and condenser;The entrance of evaporimeter respectively with heat-exchange system
Outlet and the outlet of earth's surface pipeline connect, the entrance of condenser is respectively with the outlet of the outlet of heat-exchange system and earth's surface pipeline even
Connecing, the outlet of evaporimeter is connected with the entrance of heat-exchange system and the entrance of earth's surface pipeline respectively, the outlet of condenser respectively with change
The entrance of the entrance of hot systems and earth's surface pipeline connects;It is characterized in that, described heat-exchange system includes circulating pump, heat exchange valve, sets
Put the thermal source well near earth surface water source and heat exchanger;Thermal source well includes well room, is arranged on the indoor screen pipe of well and sediment tube;
By Plate Welding in well indoor bottom sediment tube, the thermal source well Chong Jing room degree of depth is 3000 meters~5000m;Heat exchanger is arranged on
In thermal source well;Heat exchanger is connected with circulating pump and heat exchange valve successively;Described earth's surface pipeline is embedded in house indoor below ground;Described
Heat exchanger includes heat exchanger tube and the heat exchange entrance being arranged on heat exchanger tube two ends and heat exchange outlet;Heat exchanger tube include heat exchange inner tube,
And the heat exchange outer tube being coaxially disposed with heat exchange inner tube, the inner chamber of heat exchange inner tube forms the cold of connection heat exchange entrance and heat exchange outlet
Aquaporin, the chamber between heat exchange inner tube with heat exchange outer tube forms the hot water channel connecting heat exchange entrance and heat exchange outlet;Heat exchange
Inner tube is parallel to each other successively and is provided with the first dividing plate, second partition and the 3rd dividing plate, cold water channel is divided into the first chamber,
Two chambers, the 3rd chamber and the 4th chamber;Also include the first connecting tube, the second connecting tube, the 3rd connecting tube and the 4th connecting tube;
First connecting tube passes through the second chamber from the first chamber and arranges;Second connecting tube passes through the 3rd chamber from the second chamber and stretches into the 4th
In chamber, and wear back the 3rd chamber setting from the 4th chamber flex;3rd connecting tube passes through the second chamber from the 3rd chamber and stretches into
Arrange in first chamber;3rd connecting tube is arranged in the first chamber passes through the second chamber and the 3rd chamber stretches into the 4th chamber.
2. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 1, it is characterised in that described change
Hot inner tube is made from a material that be thermally conductive.
3. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 1, it is characterised in that described
The end of one connecting tube, the second connecting tube, the 3rd connecting tube and the 4th connecting tube is equipped with check valve;Wherein in the first connecting tube
The flap of check valve is opened along the direction passing through the second chamber from the first chamber;Second connecting tube is positioned at the end of the second chamber
In portion, the flap of check valve is opened along the direction passing through the 3rd chamber from the second chamber, and the second connecting tube is positioned at the 3rd chamber
End in check valve flap along from the 4th chamber pass through the 3rd chamber direction open;Check valve in 3rd connecting tube
Flap is opened along the direction passing through the second chamber from the 3rd chamber;In 4th connecting tube, the flap of check valve is along from the first chamber
The direction that room passes through the second chamber is opened.
4. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 1, it is characterised in that described heat
Being additionally provided with filter in the well of source, filter includes:First level filtering device and two-stage filter, described two-stage filter is arranged
In described first level filtering device;Described first level filtering device includes base pipe, protection block reinforcement and bag net, and described base pipe is circle
Pipe, described base pipe tube wall has been evenly arranged permeable hole, and described protection block reinforcement is vertically welded on base pipe outer wall, protection gear
Muscle is equally spaced, and described bag net is wrapped on protection block reinforcement and base pipe outer wall, and the scope of the vertical parcel of bag net is more than protection
The scope of block reinforcement, bag net external application iron wire is fastened in protection block reinforcement and base pipe outer wall;Described two-stage filter includes
Inner tube, outer tube, dividing plate and filter core, said inner tube and outer tube are pipe, and inner and outer tubes are coaxially disposed, on outer tube wall uniformly
Being disposed with permeable hole, outer tube top is provided with suspension ring, and described dividing plate one end is fixing with outer wall of inner tube to be connected, and the dividing plate other end is with outward
Inside pipe wall is fixing to be connected, and dividing plate will be divided into multiple chamber between inner tube and outer tube, and described filter core is filled in the cavity, chamber
Room upper and lower side is uncovered, for discharging the water after filter element filtering;Described outer tube top is provided with annular outer tube outwardly
Excrescence, described base pipe is provided with on inwardly projecting ring foundation pipe excrescence, described outer tube under excrescence and base pipe
Being passed down through excrescence inner circle on described base pipe, outer tube excrescence is pressed on base pipe on excrescence, and outer pipe bottom is pressed in institute
State under base pipe on excrescence, described base pipe is lined with between excrescence and outer tube excrescence rubber cushion, prominent under described base pipe
Go out and between body and outer pipe bottom, be lined with rubber cushion.
5. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 4, it is characterised in that:Described filter
Core is stainless steel filter core, and the outer wall of said inner tube and dividing plate are provided with fixture outwardly, and described fixture is for admittedly
Fixed described stainless steel filter core.
6. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 5, it is characterised in that:Each institute
The cross-sectional area stating chamber is equal.
7. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 4, it is characterised in that:Described base
The permeable hole of plinth pipe is bar hole, and described bar hole upper and lower adjacent two rows mutually stagger.
8. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 7, it is characterised in that:Described guarantor
Bib muscle uses antirust round steel, and a diameter of 4mm of described round steel, round steel spacing is 20mm.
9. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 7, it is characterised in that:Described bag
Net is nylon yarn bag net.
10. the earth surface water source terrestrial heat utilization system based on earth source heat pump according to claim 9, it is characterised in that:Described
Iron wire uses galvanized wire, and it is 10mm that iron wire is wound around spacing.
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CN108060660A (en) * | 2017-12-13 | 2018-05-22 | 湖南中大经纬地热开发科技有限公司 | A kind of reservoir dam for possessing heat exchange function |
CN115163011A (en) * | 2022-06-28 | 2022-10-11 | 中国矿业大学 | Automatic pressure-control circulating sand-removing exploitation system and exploitation method for geothermal resources |
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CN101738001A (en) * | 2009-12-18 | 2010-06-16 | 同济大学 | Composite energy system of solar energy, ground source heat pump and chilled water storage |
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CN2526717Y (en) * | 2002-03-29 | 2002-12-18 | 成都希望电子研究所 | Geothermal pump air conditioner |
KR20060016474A (en) * | 2004-08-18 | 2006-02-22 | 권영현 | Ground source heat pump type heating and cooing system haviang means for feeding assistant heat source |
CN102012131A (en) * | 2009-09-08 | 2011-04-13 | 施国梁 | A multiple-well-circle heating exchange method for ground source heat pump system and a system for the same |
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