CN103982956A - Taper type seal structure of water outlet and return device in same well for water source heat pump central air conditioner - Google Patents
Taper type seal structure of water outlet and return device in same well for water source heat pump central air conditioner Download PDFInfo
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- CN103982956A CN103982956A CN201410113148.6A CN201410113148A CN103982956A CN 103982956 A CN103982956 A CN 103982956A CN 201410113148 A CN201410113148 A CN 201410113148A CN 103982956 A CN103982956 A CN 103982956A
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Abstract
The invention discloses a taper type seal structure of a water outlet and return device in a same well for a water source heat pump central air conditioner. A plurality of taper holes and taper pistons are respectively arranged between a supporting permeable pipe and a water outlet pipe sleeve of a water outlet pipe; a plurality of isolation layers and water return spaces are formed after butting, and a water outlet of each water return pipe is respectively positioned in each water return space. The taper pistons on the water outlet pipe sleeve and the taper holes in the supporting permeable pipe are utilized to form a plurality of groups of isolation layers and independent closed water return spaces, so that the water return pipes are respectively pressed into different water return spaces to achieve the purpose of multiple water return paths. Therefore an equal amount of effluent water and returned water is realized in the same well, and fully exchanges heat with soil. The returned water does not generate new heat exchange with the effluent water reaching the initial water outlet temperature in the process that the returned water is in contact with the wall of the water outlet pipe, so that the efficiency of a water source heat pump unit can be substantially improved.
Description
Technical field
The water supply well that the present invention relates to water-source heat-pump central air conditioner technical field recharges problem, especially a kind of water-source heat-pump central air conditioner with well go out, the cone-shaped seal structure of water recovery apparatus.
Background technology
Water-source heat-pump central air conditioner, be take temperature all the year round constant underground water be medium, by source pump, improve or reduce water temperature and reach refrigeration, heat 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, has reached most user's approval simultaneously.At present, the return water mode of having implemented to install water-source heat-pump central air conditioner all adopts " many wells recharge " mode.From a bite water supply well, draw water, the heat exchanger by heat pump main frame after the cold in water or heat are taken away is discharged water, to more than two mouthfuls or two mouthfuls water supply wells, recharges.This mode advantage is that Energy Efficiency Ratio is high, but exists the water of discharging all to recharge to underground problem in time.First, because backwater is naturally to trickle without pressure in well head open type, not only back-flow velocity is slow, and easily causes backwater to pollute.And cannot get back in time underground water, can overflow or directly be disposed to ground by pipeline from well head.Long-term discharge, not only causes the waste of water resource, also may cause level of ground water to decline even exhausted, and then has influence on the safety of surrounding building; Secondly, the well number that need to beat is more, and the land area that need take is large, in the less groups of building of floor space (thing), cannot use.The above-mentioned shortcoming of " many wells recharge " mode, the power savings advantages of water-source heat-pump central air conditioner is cancelled, being to promote at water-source heat-pump central air conditioner, implementing to save energy and reduce the cost, improve a bottleneck problem in the process of environment, 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 that thermal source well silts up, water level declines.This mode in " taking " underground water temperature, also " uses " underground water, caused valuable water resource to waste greatly, make water-source heat-pump central air conditioner paralyse because of the anhydrous available whole system that causes simultaneously.Therefore.The shortcoming of " many wells recharge " mode becomes the bottleneck that water-source heat-pump central air conditioner is promoted and developed.
Summary of the invention
The object of the invention is in order to overcome the defect of " many wells recharge " completely, provide that a kind of same well goes out, the flat hermetically-sealed construction of water recovery apparatus, solve the problem that thermal source well silts up, water level declines, backwater energy 100% is all recharged to underground, can make leaving water temperature remain at suitable temperature simultaneously.
For achieving the above object, the present invention adopts following technical scheme: a kind of water-source heat-pump central air conditioner with well go out, the cone-shaped seal structure of water recovery apparatus, comprise a support water-permeable pipe that is sleeved on water supply well inner side, support water-permeable pipe and comprise n+1 permeable section and n supporting section, permeable section is alternately distributed with supporting section; At n supporting section madial wall, be fixed with respectively n bellmouth, n >=1 and be integer; In this support water-permeable pipe, be provided with outlet pipe and return pipe simultaneously; Outlet pipe arranged outside heat insulation structural is also fixed with n tapered piston; A described n tapered piston mates respectively pressing with n bellmouth and is sealed n separation layer of formation; The water inlet of described outlet pipe gos deep into the downside of n separation layer, and the delivery port of each return pipe lays respectively in the backwater space of n separation layer upside.Outlet pipe arranged outside heat insulation structural is at outlet pipe arranged outside thermal insulation layer, and is fixed with n tapered piston in outlet pipe outside; Or outlet pipe is set to compound outlet pipe, in outlet pipe outside, be set with the outlet pipe sleeve pipe of matched in clearance, in the outside of outlet pipe sleeve pipe, be fixed with n tapered piston.Between described outlet pipe and outlet pipe sleeve pipe, be air heat-insulation layer, or in the interlayer between outlet pipe and outlet pipe sleeve pipe, pour into heat-barrier material formation thermal insulation layer.The quantity of described return pipe is n, and the delivery port of each return pipe lays respectively in the backwater space of n separation layer upside; Or the quantity of return pipe is not more than n, same return pipe has delivery port at adjacent backwater spatial placement.On the interface between any a pair of tapered piston and bellmouth, be respectively arranged with flexible seal layer.
The invention has the beneficial effects as follows:
1. the present invention utilizes the tapered piston on outlet pipe sleeve pipe to form the backwater space of many group separation layers and independent sealing with the bellmouth supporting on water-permeable pipe, thereby can make return pipe be pressed into respectively in different backwater spaces, reaches many backwater path objects.Make to realize in same well water outlet, the backwater of equivalent, and utilize soil to carry out sufficient heat exchange.Because underground water seals, recycles in overall process, to underground water, can not cause any pollution, really accomplished the temperature of " taking " underground water only and " use " groundwater resources are not achieved environmental protection, cycles, economized economy.
2. reasonable in design of the present invention, utilizes the deadweight of outlet pipe sleeve pipe, can make tapered piston and bellmouth be combined to form stable confining bed.
3. in backwater and outlet pipe tube wall contact process, not with the heat exchange that water generates is new that goes out that reaches initial leaving water temperature, thereby can significantly improve water source heat pump units efficiency.
4. the present invention can all be recharged the water of extraction to underground, has accomplished veritably the heat of " utilization " underground water only and cold and does not waste valuable groundwater resources.With respect to modes such as " underground pipe ", " many wells recharge ", greatly reduced floor space, guaranteed that level of ground water is normal, and can not affect the basis of building, make the narrow and small place of area also can adopt energy-conservation water-source heat-pump central air conditioner.
5. reasonable in design of the present invention, guarantees that individual well can complete whole backwater tasks.By means of annular permeable layer and soil horizon, reduce backwater flowing velocity, so that high backwater and the stratum of temperature fully carries out, after heat exchange, backwater is being summarized in to underground water, finally reach the object of same well water resources circulation.Thereby avoid the waste of water resource, avoid level of ground water because of the mobile even exhaustion that declines, guarantee that subsurface structure is stablized and the safety of surrounding building.
Accompanying drawing explanation
Fig. 1 is one of cross-sectional view of the present invention;
Fig. 2 is the perspective view in Fig. 1;
Fig. 3 is two of cross-sectional view of the present invention;
Fig. 4 is use state diagram of the present invention.
Number in the figure 1 is immersible pump, and 2 is outlet pipe, and 3 is return pipe, 31 is that return branch one, 32 is that return branch two, 4 is outlet pipe sleeve pipe, 5 for supporting water-permeable pipe, and 6 is bellmouth, and 7 is tapered piston, 8 is permeable section, 9 is annular permeable layer, and 10 is return branch installing hole, and 11 is return pipe outlet, 12 is well lid, and 13 is soil horizon.A is underground water space, and B1 is backwater space one, and B2 is backwater space two.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1: a kind of same well goes out, the flat hermetically-sealed construction of water recovery apparatus, participates in Fig. 1 and Fig. 2, supporting interior outlet pipe 2 and the return pipe of being simultaneously provided with of water-permeable pipe 5.The outside of outlet pipe 2 is also set with outlet pipe sleeve pipe 4, outlet pipe 3 and outlet pipe sleeve pipe 4 matched in clearance.Outlet pipe 3 is for being connected with immersible pump, and return pipe is for being connected with high pressure water recovery apparatus.
In order to reach good backwater effect, the backwater space of a plurality of sealings can be set, by a plurality of passages, carry out backwater and heat exchange.
Supporting water-permeable pipe 5 is comprised of alternatively distributed permeable section 8 and supporting section; At one or more supporting section madial walls, be fixed with respectively bellmouth 6.In the outside of outlet pipe sleeve pipe 4 self and lower distribution is fixed with one or more tapered pistons 7.Corresponding tapered piston 7 mates respectively pressing with bellmouth 6 and is sealed the one or more separation layers of formation; Each separation layer upside space is in backwater space.Can on the interface between any a pair of tapered piston 7 and bellmouth 6, be respectively arranged with flexible seal layer.
The present embodiment is applied to water-source heat-pump central air conditioner to be gone out, in water recovery apparatus, participates in Fig. 4 with well, at the wellhead sealing of same water supply well, well lid 12 is installed, and can sealant be set around at well lid 12, to can bear high pressure pressure of return water in well.On well lid 12, run through simultaneously and be provided with an outlet pipe 2 and two return branch 31 and 32.Outlet pipe 2 gos deep into being communicated with underground water in the underground water space A in shaft bottom, and the water inlet of outlet pipe 2 lower ends is connected with immersible pump 1, forms high pressure and goes out water passage.Return pipe 3 is communicated with two return branch 31 and 32 simultaneously, and exerts pressure in return pipe, forms high pressure backwater path.Described outlet pipe 2, return branch 31 and return branch 32, and outlet pipe sleeve pipe 4 is comprised of multistage sealing docking respectively.
In water supply well, coupling is set with and supports water-permeable pipe 5, and this support water-permeable pipe 5 comprises permeable section 8 and supporting section, and permeable section 8 and supporting section are alternately distributed.Between support water-permeable pipe 5 and the soil horizon of the water source borehole wall, be provided with annular permeable layer 9, this annular permeable layer 9 contacts with the soil horizon 11 of the water source borehole wall.The frame mode of annular permeable layer 9 is various, for example, can participate in the integral annular seepage material of Fig. 3.Annular permeable layer 9 also can arrange inside and outside supporting network and fill seepage material in inside and outside supporting network interlayer.Annular permeable layer 9 can be to be also filled in the gravel material supporting between water-permeable pipe 5 and soil horizon
The outside of described outlet pipe 2 is set with outlet pipe sleeve pipe 4, outlet pipe 2 and outlet pipe sleeve pipe 4 matched in clearance, and the interlayer of formation air heat insulation, prevents that high-temperature tempering and low temperature drinking-water pipe 2 from heat exchanges occurring.
Backflow arm 1 stretches in one B1 of backwater space, and backflow arm 2 32 stretches in two B2 of backwater space.Backwater in each backwater space enters in annular permeable layer 9 or soil horizon 11 by permeable section 8 of sidewall respectively under pressure and Gravitative Loads, after sufficient heat exchange Yu with well underground water, converges.
Embodiment 2: participate in Fig. 3, content is substantially the same manner as Example 1, different: the quantity of return pipe 3 is one, and this return pipe 3 is all provided with delivery port 10 in each backwater space.
Embodiment 3: accompanying drawing is not drawn, and content is substantially the same manner as Example 1, different: the direct fixing tapered piston in outlet pipe outside, and outlet pipe is carried out to heat insulation processing, such as wrap up the modes such as one deck heat insulation foam outside outlet pipe, carry out heat insulation.
Claims (5)
- A water-source heat-pump central air conditioner with well go out, the cone-shaped seal structure of water recovery apparatus, it is characterized in that: comprise a support water-permeable pipe that is sleeved on water supply well inner side, support water-permeable pipe and comprise n+1 permeable section and n supporting section, permeable section is alternately distributed with supporting section; At n supporting section madial wall, be fixed with respectively n bellmouth, n >=1 and be integer; In this support water-permeable pipe, be provided with outlet pipe and return pipe simultaneously; Outlet pipe arranged outside heat insulation structural is also fixed with n tapered piston; A described n tapered piston mates respectively pressing with n bellmouth and is sealed n separation layer of formation; The water inlet of described outlet pipe gos deep into the downside of n separation layer, and the delivery port of each return pipe lays respectively in the backwater space of n separation layer upside.
- Water-source heat-pump central air conditioner according to claim 1 with well go out, the cone-shaped seal structure of water recovery apparatus, it is characterized in that: outlet pipe arranged outside heat insulation structural is at outlet pipe arranged outside thermal insulation layer, and be fixed with n tapered piston in outlet pipe outside; Or outlet pipe is set to compound outlet pipe, in outlet pipe outside, be set with the outlet pipe sleeve pipe of matched in clearance, in the outside of outlet pipe sleeve pipe, be fixed with n tapered piston.
- Water-source heat-pump central air conditioner according to claim 1 with well go out, the cone-shaped seal structure of water recovery apparatus, it is characterized in that: between described outlet pipe and outlet pipe sleeve pipe, be air heat-insulation layer, or in the interlayer between outlet pipe and outlet pipe sleeve pipe, pour into heat-barrier material formation thermal insulation layer.
- Water-source heat-pump central air conditioner according to claim 1 with well go out, the cone-shaped seal structure of water recovery apparatus, it is characterized in that: the quantity of described return pipe is n, and the delivery port of each return pipe lays respectively in the backwater space of n separation layer upside; Or the quantity of return pipe is not more than n, same return pipe has delivery port at adjacent backwater spatial placement.
- Water-source heat-pump central air conditioner according to claim 1 with well go out, the cone-shaped seal structure of water recovery apparatus, it is characterized in that: on the interface between any a pair of tapered piston and bellmouth, be respectively arranged with flexible seal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113148.6A CN103982956A (en) | 2014-03-25 | 2014-03-25 | Taper type seal structure of water outlet and return device in same well for water source heat pump central air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113148.6A CN103982956A (en) | 2014-03-25 | 2014-03-25 | Taper type seal structure of water outlet and return device in same well for water source heat pump central air conditioner |
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| CN103982956A true CN103982956A (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410113148.6A Pending CN103982956A (en) | 2014-03-25 | 2014-03-25 | Taper type seal structure of water outlet and return device in same well for water source heat pump central air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501463A (en) * | 2014-12-18 | 2015-04-08 | 河南润恒节能技术开发有限公司 | Inside-outside integral welding type same-well pumping and recharging device for water source well of water source heat pump type central air conditioning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004317102A (en) * | 2003-04-11 | 2004-11-11 | Hokkaido | Heat pump using well water heat |
| KR100670082B1 (en) * | 2006-01-09 | 2007-01-17 | 한국과학기술연구원 | Heat pump system using ground water |
| CN102102380A (en) * | 2010-12-22 | 2011-06-22 | 中国石油天然气集团公司 | Layered extraction and recharging system for well with pumping and recharging |
| CN203116359U (en) * | 2013-01-20 | 2013-08-07 | 山西省第二建筑工程公司 | Ground source heat pumping and recharging well |
| CN203757895U (en) * | 2014-03-25 | 2014-08-06 | 河南润恒节能技术开发有限公司 | Cone type sealing structure of identical-well outlet water and backwater device for water source heat pump central air conditioner |
-
2014
- 2014-03-25 CN CN201410113148.6A patent/CN103982956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004317102A (en) * | 2003-04-11 | 2004-11-11 | Hokkaido | Heat pump using well water heat |
| KR100670082B1 (en) * | 2006-01-09 | 2007-01-17 | 한국과학기술연구원 | Heat pump system using ground water |
| CN102102380A (en) * | 2010-12-22 | 2011-06-22 | 中国石油天然气集团公司 | Layered extraction and recharging system for well with pumping and recharging |
| CN203116359U (en) * | 2013-01-20 | 2013-08-07 | 山西省第二建筑工程公司 | Ground source heat pumping and recharging well |
| CN203757895U (en) * | 2014-03-25 | 2014-08-06 | 河南润恒节能技术开发有限公司 | Cone type sealing structure of identical-well outlet water and backwater device for water source heat pump central air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501463A (en) * | 2014-12-18 | 2015-04-08 | 河南润恒节能技术开发有限公司 | Inside-outside integral welding type same-well pumping and recharging device for water source well of water source heat pump type central air conditioning |
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Application publication date: 20140813 |