CN104896618A - Connection type shallow layer geothermal energy same-well conversion device and method of geothermal energy central air-conditioning - Google Patents
Connection type shallow layer geothermal energy same-well conversion device and method of geothermal energy central air-conditioning Download PDFInfo
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- CN104896618A CN104896618A CN201510220228.6A CN201510220228A CN104896618A CN 104896618 A CN104896618 A CN 104896618A CN 201510220228 A CN201510220228 A CN 201510220228A CN 104896618 A CN104896618 A CN 104896618A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0053—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a well
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T2010/50—Component parts, details or accessories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Hydrology & Water Resources (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a connection type shallow layer geothermal energy same-well conversion device and a method of a geothermal energy central air-conditioning. The device comprises a water source well and a well cover, an inner well pipe and an outer well pipe, a water outlet pipe, a water return pipe and a submersible pump, wherein the outer well pipe and the inner well pipe are formed by welding multiple well pipe sections; outer pipe sealing joints are connected between the adjacent outer well pipe sections; rubber ring taper tables are arranged in corresponding positions of the inner walls of the outer pipe sealing joints; rubber taper pieces are respectively arranged in corresponding positions on the outer wall of the inner well pipe; the rubber taper pieces and the conical surfaces of the rubber ring taper tables can be matched and supported; and the device can guarantee the outer pipe sealing joints and the rubber taper pieces to be totally bonded without leaving gaps. All connecting points at the middle part of the inner well pipe only need to upwards pull the inner well pipe by a certain height H for convenient operation in welding; as the outer pipe sealing joints and the rubber taper pieces are always totally bonded, the welding error factor is not considered; and the device is convenient and simple in construction, high in efficiency and excellent in effect.
Description
Technical field
The invention belongs to (heat) can in field of central air-conditioning about shallow-layer (heat) can utilize with well conversion equipment, with particularly relating to one (heat) energy central air-conditioning (heat) can utilize with well conversion equipment.
Background technology
Ground (heat) can central air-conditioning, is with the constant all the year round underground water of temperature for transmitting geothermal energy medium, by source pump, to improve or reduction water temperature reaches refrigeration, heats object, for building provides the central air-conditioning of cold and heat source.Because its Energy Efficiency Ratio is high, than other traditional form central air-conditioning energy 40 ~ 60%, energy conservation and consumption reduction effects significantly and is progressively subject to the favor of government, office, business unit, reaches the accreditation of most user simultaneously.At present, the return water mode having implemented to install water-source heat-pump central air conditioner all adopts " many wells recharge " mode.Namely draw water from a bite water supply well, after the cold in water or heat being taken away by the heat exchanger of heat pump main frame, water is discharged, recharge to the water supply well of more than two mouthfuls or two mouthfuls.This mode advantage is that Energy Efficiency Ratio is high, but the water that there is discharge all cannot recharge the problem to underground in time.First, because backwater naturally trickles without pressure in well head open type, not only back-flow velocity is slow, and easily causes backwater to pollute.And the water of underground cannot be got back in time, can overflow from well head or directly be disposed to ground by pipeline.Long-term discharge, not only causes the waste of water resource, level of ground water also may be caused to decline even exhausted, and then have influence on the safety of surrounding building; Secondly, the well number that needs are beaten is more, and the land area that need take is large, cannot use in the groups of building (thing) that floor space is less.The above-mentioned shortcoming of " many wells recharge " mode, the power savings advantages of water-source heat-pump central air conditioner is cancelled, be promote at water-source heat-pump central air conditioner, implementing a bottleneck problem in the process of energy-saving and cost-reducing, environmental protect, is also the behavior that national hydraulic department is strictly forbidden.
Due to its drawback large area manifest, be mainly manifested in the underground water of taking and can not accomplish that 100% all recharges to underground, then discharge earthward, cause water supply well to silt up, water level decreasing.This mode is while " taking " underground water temperature, and also " uses " underground water, the water resource causing preciousness wastes greatly, makes water-source heat-pump central air conditioner because of anhydrous available and cause whole system to be paralysed simultaneously.Therefore.The shortcoming of " many wells recharge " mode becomes the bottleneck of water-source heat-pump central air conditioner popularization and development.
In existing same well recharging technique, adopt the mode that inner and outer pipes is installed respectively, such as Patent publication No is in the patent document of CN 103982956 A, discloses the same well recharging technique by interior well casing and outer well tube, first need to enter outer well tube under in well, well casing in descending again after putting in place.Outer well tube inside is provided with the contact surface and isolation structure that cooperatively interact between interior well casing outer wall, only have that the length of each contact-segment is identical could keep connection sealed against one another, but due to the usual rice up to a hundred of well depth, outer well tube and interior well casing independently many sections are by being welded to form, and the different needs scene of different well depth situation carries out cutting and weld job, in, outer well tube go into the well respectively after because of displacement, the factor impacts such as cutting error or welding error, accumulation of error degree is big causes the contact sealing property between interior well casing and outer well tube bad, reality is difficult to accomplish that whole separation layer all realizes being tightly connected.In addition, because sealing docking operation occurs in down-hole, be in blind area, servant cannot operate, safeguard and detect, separation layer can stop weld bond position, if interior well casing pull-out is welded more than separation layer, in lower again after welding, well casing just can not ensure precision, makes the support degree of interior outer well tube and seal tightness unpredictable, and this is the important problem that same well recharges equipment and exists in construction, the program is time-consuming at immersible pump in the future, take a lot of work, and affects the use of air-conditioning for a long time.
Summary of the invention
The defect that the present invention not only will overcome completely " many wells recharge ", makes backwater energy 100% all recharge to underground, leaving water temperature can also be made to remain at suitable temperature; Utilize the package assembly of inner and outer pipes integral type that product specification can be made to unitize and standardization simultaneously, avoid inside and outside borehole axis to problem of misalignment, butt-joint operation can be made to be in outside well and carry out, guarantee the operability be tightly connected, improve sealing joint quality and efficiency of construction.
For achieving the above object, the present invention adopts following technical scheme: a kind of geothermal energy central air-conditioning interconnection system shallow layer geothermal energy is with well conversion equipment, comprise water supply well and well lid, interior well casing and outer well tube, outlet pipe, return pipe and immersible pump, described outer well tube and interior well casing have multiple well casing section to be welded to form respectively, outer tube seal nipple is connected with between adjacent outer well tube section, or be connected again between seal of tube joint with adjacent outer well tube section outside and compensate connector, the inwall relevant position of described outer tube joint for sealing connecting is provided with rubber ring frustum, and the correspondence position on interior well casing outer wall arranges rubber cone sheet respectively, and the upper side of rubber cone sheet has additional metal backing, described rubber cone sheet can mate with the conical surface of rubber ring frustum and is set with and supports, the rubber cone sheet external diameter being positioned at lower floor is not more than upper rubber ring frustum internal diameter, outer well tube is sleeved on inside water supply well, and interior well casing is set in outer well tube center, and the tube wall of outer well tube between rubber ring frustum arranges permeable hole, outlet pipe carries below the waterline that immersible pump is lifted in interior well casing, and multiple return pipe to be drained between adjacent conical isolation supporting layer in region respectively.
Taper isolation supporting layer arranges inside support ring in outer well tube inwall relevant position, and described rubber ring frustum is fixed on outside inside support ring.
Be air heat-insulation layer between outlet pipe and interior well casing, or pour into heat-barrier material in interlayer between outlet pipe and interior well casing and form thermal insulation layer, produce cold and hot exchange to avoid recharge water and water outlet.
Annular permeable layer is provided with between the borehole wall and outer well tube of water supply well, this annular permeable layer is integral annular seepage material, or annular permeable layer is provided with inside and outside supporting network and fills seepage material in inside and outside supporting network interlayer, or annular permeable layer is filled in the gravel material supported between water-permeable pipe and soil horizon.
A kind of geothermal energy is with the flexible formula method of attachment of well conversion equipment, water supply well Cheng Jinghou, multi-group hole outer well tube section and solid interior well casing section are matched and goes into the well by successively lifting, wherein the below of each interior well casing section is fixed with rubber cone sheet, welding outer tube seal nipple is needed between adjacent outer well tube section, the inwall of seal of tube joint is outside provided with rubber ring frustum, and each rubber ring frustum can mate with the conical surface of corresponding rubber cone sheet and fits together; The rubber cone sheet external diameter being positioned at lower floor is not more than upper rubber ring frustum internal diameter; (1) first outer tube seal nipple is mated to fit with the conical surface of corresponding rubber cone sheet and dock, (2) (the mounted outer well tube mouth of pipe is exceeded after then interior well casing being promoted certain altitude H, so that welding operation) weld with adjacent interior well casing, (3) after the welding of interior well casing section again by outer tube seal nipple with interior well casing synchronously decline certain altitude H, outer tube seal nipple and adjacent outer well tube section weld together by (4) again; Repeat above step (1)-step (4) until outer well tube has welded in final stage; Outlet pipe carries below the waterline that immersible pump is lifted in interior well casing, and multiple return pipe is drained between adjacent rubber ring frustum in region respectively, seals well head upper cover.If there is gap between outer tube seal nipple with adjacent outer well tube section cannot directly weld, then can weld in gap compensate connector keep be connected weld.In such scheme, first outer tube seal nipple can be mated with the conical surface of corresponding rubber cone sheet and fit, simply fixing again, guarantee that outer tube seal nipple and rubber cone sheet are fitted all the time completely and do not stay gap, take out simple fixing after outer tube seal nipple welds with bottom outer well tube section.
Arrange inside support ring in outer well tube inwall relevant position, rubber ring frustum is fixed on outside inside support ring, and rubber cone sheet upper side sets up metal backing, and metal backing solid welding is on interior well casing outer wall.
Keep outer well tube and water supply well inwall to have annular gap, in annular gap, fill seepage material form annular permeable layer.
The invention has the beneficial effects as follows:
1. such scheme of the present invention outer well tube and interior well casing is successively lifted piecemeal to go into the well.First each outer tube seal nipple and the conical surface of corresponding rubber cone sheet being mated fits docks simple fixing, then weld with adjacent interior well casing after interior well casing being promoted certain altitude H, again by outer tube seal nipple with interior well casing synchronously decline certain altitude H, outer tube seal nipple and adjacent outer well tube section are welded together, removes simply fixing.If there is gap between outer tube seal nipple with adjacent outer well tube section cannot directly weld, then can weld in gap compensate connector keep be connected weld.Can guarantee that outer tube seal nipple and rubber cone sheet are fitted completely like this and not stay gap.In the middle part of interior well casing, interior well casing only need upwards be pulled out certain altitude H convenient operation when welding by each contact, and because outer tube seal nipple and rubber cone sheet are fitted all the time completely, need not consider to weld error component, easy construction is simple, and efficiency is high, effective.
Project organization of the present invention is more reasonable, and interior well casing can be allowed not exclusively equal with outer well tube length, reduces difficulty of construction, has wider allowed band, increase work efficiency to cutting error and welding error.Even if in comparatively great error range, interior pipe can realize automatically stretching or truncate is repaid, and overcomes multiple isolation supporting layer docking imprecision problem and the unequal problem of load in blind area, down-hole.Avoid the error because axial disunity causes or displacement, can guarantee that every section of docking is all in Best link state.Avoid, because underlying well casing is improper, causing soil cave-in, causing water supply well to scrap.
By arranging rubber ring frustum, and the rubber cone sheet external diameter of lower floor is not more than upper rubber ring frustum internal diameter, easily interior well casing can be put into outer well tube, and easily interior well casing is taken out from outer well tube, for dress well and maintenance bring convenience, improve efficiency of construction and reduce maintenance cost and difficulty.The present invention has tri-level construction structure, its outer well tube is disposable go into the well after forever use; The Rational structure of interior well casing and outer well tube guarantees that interior well casing can carry out well servicing during several years even many decades; Be lifted on the immersible pump in interior well casing, can promote at any time according to actual needs or decline or safeguard.
4. by industrialized manufacture and processing in workshop, product specification is unitized and standardization, avoids inside and outside borehole axis to problem of misalignment, guarantee the operability be tightly connected, improve sealing joint quality.The standard component of industrialization is beneficial to on-the-spot fast, accurately location and construction.Tubulature speed at least doubles.
5. immersible pump height can be promoted to interior well casing medium position, and need not be connected to bottom interior well casing, has saved outlet pipe length and cable length, has also reduced maintenance difficulties.
In same well, realize the water outlet of equivalent, backwater, and make backwater after carrying out sufficient heat exchange with soil, temperature reaches the leaving water temperature of starting stage; Make, in backwater and outlet pipe tube wall contact process, not produce new heat exchange with the water outlet reaching initial leaving water temperature, thus can significantly improve water source heat pump units efficiency simultaneously.Multipair sealing isolation layer composition multilayer backwater space, realizes the object of backwater while of multichannel, relends and help high pressure backwater, guarantee that individual well can complete whole backwater task.By means of annular permeable layer and soil horizon, reduce water return flow speed, so that backwater is being summarized in underground water after fully carrying out cold and hot exchange by the backwater of temperature height and stratum, finally reach the object of same well water resources circulation.Thus avoid the waste of water resource, avoid level of ground water to decline because of mobile even exhaustion, guarantee that subsurface structure is stablized and the safety of surrounding building.This mode makes underground water be in air-tight state all the time, and the first, to water itself without any pollution; The second, at all do not waste underground water; 3rd, owing to adopting combined type to go out water source well casing, by the backwater of the cold taken away or heat by air exclusion, thoroughly stopped contact each other, make it can not because going out, the temperature difference of backwater and produce new heat exchange, maintain the constant of leaving water temperature.The water of extraction is all recharged to underground by the present invention, has accomplished the heat of only " utilizations " underground water and cold veritably and has not wasted the groundwater resources of preciousness.Floor space is little, and ensure that level of ground water is normal, and can not affect the basis of building, the place making area narrow and small also can adopt energy-conservation water-source heat-pump central air conditioner.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention.
Number in the figure 1 is outer well tube, and 2 is interior well casing, and 3 is outlet pipe, 4 is return pipe, and 5 is well lid, and 6 is rubber ring frustum, 7 is liner plate, and 8 is rubber cone sheet, and 9 is outer tube seal nipple, 10 for compensating connector, 11 is inside support ring, and 12 is interior well casing weld, and 13 is immersible pump, 14 is outer well tube weld, and 15 is annular permeable layer.
detailed description of the invention:
Embodiment 1: see Fig. 1, a kind of water-source heat-pump central air conditioner water supply well interconnection system, with well backflow device, comprises water supply well and well lid, interior well casing and outer well tube, outlet pipe, return pipe and immersible pump, annular permeable layer etc.
Outer well tube and interior well casing have multiple well casing section to be welded to form respectively, and outer well tube section and interior well casing section are preferably matched so that unified process.Be connected with outer tube seal nipple between adjacent outer well tube section, also can be connected again between seal of tube joint with adjacent outer well tube section outside as required and compensate connector.And be that inside support ring is set in outer well tube inwall relevant position at taper isolation supporting layer, rubber ring frustum is fixed on outside inside support ring.Correspondence position on described interior well casing outer wall arranges rubber cone sheet respectively, and the upper side of rubber cone sheet has additional metal backing.Described rubber cone sheet can mate with the conical surface of rubber ring frustum and is set with and supports.
The rubber cone sheet external diameter being positioned at lower floor is not more than upper rubber ring frustum internal diameter.
Outer well tube is sleeved on inside water supply well, and interior well casing is set in outer well tube center, and the tube wall of outer well tube between rubber ring frustum arranges permeable hole; Outlet pipe carries below the waterline that immersible pump is lifted in interior well casing, and multiple return pipe to be drained between adjacent conical isolation supporting layer in region respectively.
In addition, can also be air heat-insulation layer between outlet pipe and interior well casing, or pour into heat-barrier material in interlayer between outlet pipe and interior well casing and form thermal insulation layer, produce cold and hot exchange to avoid recharge water and water outlet.
Annular permeable layer is provided with between the borehole wall and outer well tube of water supply well, this annular permeable layer is integral annular seepage material, or annular permeable layer is provided with inside and outside supporting network and fills seepage material in inside and outside supporting network interlayer, or annular permeable layer is filled in the gravel material supported between water-permeable pipe and soil horizon.
Embodiment 2: a kind of flexible formula method of attachment of same well backflow device, see Fig. 1, at water supply well Cheng Jinghou, matches multi-group hole outer well tube section and solid interior well casing section and goes into the well by successively lifting.
Wherein the below of each interior well casing section is fixed with rubber cone sheet, and rubber cone sheet upper side sets up metal backing, and metal backing solid welding is on interior well casing outer wall.
Need welding outer tube seal nipple between adjacent outer well tube section, arrange inside support ring in outer well tube inwall relevant position, rubber ring frustum is fixed on outside inside support ring.
Each rubber ring frustum can mate with the conical surface of corresponding rubber cone sheet and fits together.The rubber cone sheet external diameter being positioned at lower floor is not more than upper rubber ring frustum internal diameter.
Certain to outer well tube section and interior well casing section with the welding process of a pair, adjacent upside outer well tube section and interior well casing section is: outer tube seal nipple first mates to fit with the conical surface of corresponding rubber cone sheet and docks by (1), and simply fixing, iron wire or simple setting tool can be utilized; (2) then interior well casing section is promoted certain altitude H, exceed the mouth of pipe of mounted outer well tube section, so that welding operation, and interior well casing section is welded with adjacent interior well casing section by this; (3) after adjacent two interior well casing section welding, again by outer tube seal nipple with interior well casing synchronously decline certain altitude H, (4) again outer tube seal nipple and adjacent outer well tube section are welded together, if there is gap between outer tube seal nipple with adjacent outer well tube section cannot directly weld, then can weld in gap compensate connector keep be connected weld; Simply fixing between outer tube seal nipple and corresponding rubber cone sheet can be removed after welding.Repeat above step (1)-step (4) until outer well tube has welded in final stage.
Outlet pipe carries below the waterline that immersible pump is lifted in interior well casing, and multiple return pipe is drained between adjacent rubber ring frustum in region respectively, seals well head upper cover.In such scheme, first outer tube seal nipple can be mated with the conical surface of corresponding rubber cone sheet and fit, simply fixing again, guarantee that outer tube seal nipple and rubber cone sheet are fitted all the time completely and do not stay gap, take out simple fixing after outer tube seal nipple welds with bottom outer well tube section.
Keep outer well tube and water supply well inwall to have annular gap, in annular gap, fill seepage material form annular permeable layer 15.Annular permeable layer 15 various informative, such as following three kinds of structures: (1) can make integral annular seepage material; (2) annular permeable layer 15 can be arranged inside and outside supporting network and fill seepage material in inside and outside supporting network interlayer; (3) annular permeable layer 15 is filled in the gravel material supported between water-permeable pipe and soil horizon.
Claims (9)
1. a geothermal energy central air-conditioning interconnection system shallow layer geothermal energy is with well conversion equipment, comprise water supply well and well lid, interior well casing and outer well tube, outlet pipe, return pipe and immersible pump, it is characterized in that: described outer well tube and interior well casing have multiple well casing section to be welded to form respectively, outer tube seal nipple is connected with between adjacent outer well tube section, or be connected again between seal of tube joint with adjacent outer well tube section outside and compensate connector, the inwall relevant position of described outer tube joint for sealing connecting is provided with rubber ring frustum, and the correspondence position on interior well casing outer wall arranges rubber cone sheet respectively, and the upper side of rubber cone sheet has additional metal backing, described rubber cone sheet can mate with the conical surface of rubber ring frustum and is set with and supports, the rubber cone sheet external diameter being positioned at lower floor is not more than upper rubber ring frustum internal diameter, outer well tube is sleeved on inside water supply well, and interior well casing is set in outer well tube center, and the tube wall of outer well tube between rubber ring frustum arranges permeable hole, outlet pipe carries below the waterline that immersible pump is lifted in interior well casing, and multiple return pipe to be drained between adjacent conical isolation supporting layer in region respectively.
2. geothermal energy central air-conditioning interconnection system shallow layer geothermal energy according to claim 1 is with well conversion equipment, it is characterized in that: taper isolation supporting layer arranges inside support ring in outer well tube inwall relevant position, and described rubber ring frustum is fixed on outside inside support ring.
3. geothermal energy central air-conditioning interconnection system shallow layer geothermal energy according to claim 1 is with well conversion equipment, it is characterized in that: be air heat-insulation layer between outlet pipe and interior well casing, or pour into heat-barrier material in the interlayer between outlet pipe and interior well casing and form thermal insulation layer, produce cold and hot exchange to avoid recharge water and water outlet.
4. geothermal energy central air-conditioning interconnection system shallow layer geothermal energy according to claim 1 is with well conversion equipment, it is characterized in that: between the borehole wall and outer well tube of water supply well, be provided with annular permeable layer, this annular permeable layer is integral annular seepage material, or annular permeable layer is provided with inside and outside supporting network and fills seepage material in inside and outside supporting network interlayer, or annular permeable layer is filled in the gravel material supported between water-permeable pipe and soil horizon.
5. a shallow layer geothermal energy is with the flexible formula method of attachment of well conversion equipment, it is characterized in that: water supply well Cheng Jinghou, multi-group hole outer well tube section and solid interior well casing section are matched and goes into the well by successively lifting, wherein the below of each interior well casing section is fixed with rubber cone sheet, welding outer tube seal nipple is needed between adjacent outer well tube section, the inwall of seal of tube joint is outside provided with rubber ring frustum, and each rubber ring frustum can mate with the conical surface of corresponding rubber cone sheet and fits together; The rubber cone sheet external diameter being positioned at lower floor is not more than upper rubber ring frustum internal diameter; (1) first outer tube seal nipple is mated to fit with the conical surface of corresponding rubber cone sheet and dock, (2) weld with adjacent interior well casing after then interior well casing being promoted certain altitude H, (3) after the welding of interior well casing section again by outer tube seal nipple with interior well casing synchronously decline certain altitude H, outer tube seal nipple and adjacent outer well tube section weld together by (4) again; Repeat above step (1)-step (4) until outer well tube has welded in final stage; Outlet pipe carries below the waterline that immersible pump is lifted in interior well casing, and multiple return pipe is drained between adjacent rubber ring frustum in region respectively, seals well head upper cover.
6. shallow layer geothermal energy according to claim 5 is with the flexible formula method of attachment of well conversion equipment, it is characterized in that: cannot directly weld if there is gap between outer tube seal nipple with adjacent outer well tube section, then can weld in gap compensate connector keep be connected weld.
7. shallow layer geothermal energy according to claim 5 is with the flexible formula method of attachment of well conversion equipment, it is characterized in that: first outer tube seal nipple is mated with the conical surface of corresponding rubber cone sheet and fit, simply fixing again, guarantee that outer tube seal nipple and rubber cone sheet are fitted all the time completely and do not stay gap, take out simple fixing after outer tube seal nipple welds with bottom outer well tube section.
8. shallow layer geothermal energy according to claim 5 is with the flexible formula method of attachment of well conversion equipment, it is characterized in that: in outer well tube inwall relevant position, inside support ring is set, rubber ring frustum is fixed on outside inside support ring, rubber cone sheet upper side sets up metal backing, and metal backing solid welding is on interior well casing outer wall.
9. shallow layer geothermal energy according to claim 5 is with the flexible formula method of attachment of well conversion equipment, it is characterized in that: keep outer well tube and water supply well inwall to have annular gap, fill seepage material and form annular permeable layer in annular gap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220228.6A CN104896618B (en) | 2015-05-04 | 2015-05-04 | Geothermal energy central air-conditioning interconnection system shallow layer geothermal energy is the same as well conversion equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220228.6A CN104896618B (en) | 2015-05-04 | 2015-05-04 | Geothermal energy central air-conditioning interconnection system shallow layer geothermal energy is the same as well conversion equipment and method |
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| Publication Number | Publication Date |
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| CN104896618A true CN104896618A (en) | 2015-09-09 |
| CN104896618B CN104896618B (en) | 2018-05-11 |
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| CN201510220228.6A Expired - Fee Related CN104896618B (en) | 2015-05-04 | 2015-05-04 | Geothermal energy central air-conditioning interconnection system shallow layer geothermal energy is the same as well conversion equipment and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288093A (en) * | 2016-09-30 | 2017-01-04 | 北京嘉华新源科技有限公司 | A kind of ground temperature accumulation of energy switch and method of construction thereof |
| CN107965946A (en) * | 2017-12-16 | 2018-04-27 | 郑州驰骋信息技术有限公司 | A kind of adjustable earth source heat pump underground heat-exchange system of individual well |
| CN107965936A (en) * | 2017-12-16 | 2018-04-27 | 郑州驰骋信息技术有限公司 | A kind of packaged type geothermal collecting apparatus |
| CN108343115A (en) * | 2018-04-20 | 2018-07-31 | 山东省水利科学研究院 | A kind of assembled surface water water intake well |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288093A (en) * | 2016-09-30 | 2017-01-04 | 北京嘉华新源科技有限公司 | A kind of ground temperature accumulation of energy switch and method of construction thereof |
| CN107965946A (en) * | 2017-12-16 | 2018-04-27 | 郑州驰骋信息技术有限公司 | A kind of adjustable earth source heat pump underground heat-exchange system of individual well |
| CN107965936A (en) * | 2017-12-16 | 2018-04-27 | 郑州驰骋信息技术有限公司 | A kind of packaged type geothermal collecting apparatus |
| CN107965946B (en) * | 2017-12-16 | 2024-04-05 | 河南博纵新能源科技有限公司 | Underground heat exchange system of single-well adjustable ground source heat pump |
| CN107965936B (en) * | 2017-12-16 | 2024-04-09 | 河南博纵新能源科技有限公司 | Movable geothermal energy collection system |
| CN108343115A (en) * | 2018-04-20 | 2018-07-31 | 山东省水利科学研究院 | A kind of assembled surface water water intake well |
| CN108613303A (en) * | 2018-05-29 | 2018-10-02 | 广东盛迎低碳技术研究有限公司 | A kind of self sealss individual well energy storage central air-conditioning heat-exchange system |
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