CN2358405Y - Vacuum heat collecting pipe - Google Patents

Vacuum heat collecting pipe Download PDF

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Publication number
CN2358405Y
CN2358405Y CN98206638U CN98206638U CN2358405Y CN 2358405 Y CN2358405 Y CN 2358405Y CN 98206638 U CN98206638 U CN 98206638U CN 98206638 U CN98206638 U CN 98206638U CN 2358405 Y CN2358405 Y CN 2358405Y
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CN
China
Prior art keywords
tube
metal tube
collecting tube
glass
thermal
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Expired - Fee Related
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CN98206638U
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Chinese (zh)
Inventor
罗桂荣
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Beijing sunshine solar energy science and Technology Co Ltd
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罗桂荣
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Priority to CN98206638U priority Critical patent/CN2358405Y/en
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Publication of CN2358405Y publication Critical patent/CN2358405Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/142Solar thermal; Photovoltaics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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Abstract

The utility model discloses a novel vacuum heat collecting pipe, which is suitable for the fields of hot water and boiling water supplying, air conditioner, refrigeration, heating, drying, water pumping, generating and sea water desalting, etc., and the utility model can be used as a heat collecting component for collecting solar energy. A metal pipe with a liquid filling nozzle and a full glass vacuum heat collecting pipe are sealed and stuck by adhesive at an opening part, and the full glass vacuum heat collecting tube is filled with liquid working medium. The metal pipe is also filled with liquid working medium, and the upper part of the working medium liquid level in the metal pipe is provided with air storing space. The utility model can operate with-50 DEG, the working medium can not freeze, if one of the full glass vacuum heat collecting pipe is broken, the utility model can not leak water, and the utility model has the advantages of reliable operation, easy fabrication and lower cost compared with tube-type vacuum heat collecting pipes.

Description

A kind of novel evacuated thermal-collecting tube
The utility model relates to a kind of vacuum heat collection pipe, particularly a kind of novel evacuated thermal-collecting tube, be suitable for utilizing solar energy as the energy, at hot-water supply and boiling water, air-conditioning, refrigeration, heating, drying, solar energy housing, draw water, in the fields such as generating and desalinization, as the heat-collecting element device of round-the-clock collection solar energy.
Existing all-glass vacuum thermal-collecting tube is mainly by scorification sealing between the inner glass tube of outer surface coated spectral selective absorbing coating and the transparent outer glass pipe, and make its interlayer vacuumize and form, the all-glass vacuum thermal-collecting tube of selling on the market is one of this form, in use, the oral area of solar water heater liner or its hole of connecting pipe inner bag and all-glass vacuum thermal-collecting tube is tightly connected by rubber sleeve, the water that water in the all-glass vacuum thermal-collecting tube is interior with water tank or connecting pipe is interior is communicated with, if all-glass vacuum thermal-collecting tube bursts damaged one, then solar water heater or solar heating engineering system can seriously leak, in water tank or the intrasystem hot and cold water of hot water engineering all leaked just and stopped, have a strong impact on particularly solar heating engineering reliability of system operation of solar water heater, this again all-glass vacuum thermal-collecting tube directly is connected by rubber sleeve with water tank or connecting pipe, subzero below 18 ℃ the time in northern area winter, because of water can freeze, can not use, the empty solarization of solar water heater or solar heating engineering system back user goes up water meeting bombing immediately again.
Existing hot pipe type vacuum heat collection pipe, manufacturing process are difficult, involve great expense thereby are difficult in the every field large scale application.
Task of the present utility model provides a kind of novel evacuated thermal-collecting tube, use in the time of can be in northern area winter-50 ℃, working medium in the novel evacuated thermal-collecting tube can not freezed, the four seasons can be used, it is simpler than heat pipe-type vacuum heat collection pipe technology, easy to manufacture, price reduces significantly, if and damaged one of novel evacuated thermal-collecting tube, solar water heater or hot water engineering system can not leak, and be reliable, and immediately go up water after empty the solarization noon, can bombing yet, the every field that helps solar thermal utilization especially in the engineering system large tracts of land promote the use of widely.
The utility model is achieved in that the upper end is sticked with glue agent sealing splicing with metal tube that liquid injecting mouth was arranged at the end and the end and all-glass vacuum thermal-collecting tube at its oral area, vacuumize the back by liquid injecting mouth and in all-glass vacuum thermal-collecting tube, be full of liquid refrigerant, in metal tube, also be filled with an amount of liquid refrigerant, at metal intraductal working medium liquid and top, leave the suitable space that stores steam state working medium, at last liquid injecting mouth is pressed from both sides the flat sealing of freezing, thereby form novel evacuated thermal-collecting tube.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is that metal tube inserts that sealing on its mouth inner wall of single port formula all-glass vacuum thermal-collecting tube is gluedd joint and not with the novel evacuated thermal-collecting tube longitudinal sectional view of tube core.
Fig. 2 is that metal tube is enclosed within the novel evacuated thermal-collecting tube longitudinal sectional view that seals splicing on its oral area outer wall of single port formula all-glass vacuum thermal-collecting tube and be fixed with tube core at the thermal-collecting tube inner chamber.
Fig. 3 is step metal tube and single port formula all-glass vacuum thermal-collecting tube are fixed with tube core in its oral area sealing splicing and all-glass vacuum thermal-collecting tube a novel evacuated thermal-collecting tube longitudinal sectional view.
Fig. 4 be metal tube and straight through type all glass vacuum thermal-collecting tube its two ends oral area fluid sealant connect and thermal-collecting tube in be fixed with the novel evacuated thermal-collecting tube longitudinal sectional view of tube core.
This novel evacuated thermal-collecting tube is to stick with glue agent [4] sealing with all-glass vacuum thermal-collecting tube [1] at its oral area [10] by the metal tube [5] that liquid injecting mouth [7] are arranged on [6] at the bottom of [6] order at the bottom of the band of upper end to glued joint, after vacuumizing by liquid injecting mouth [7], inner chamber at all-glass vacuum thermal-collecting tube [1] is full of liquid refrigerant [11], inner chamber [3] in metal tube [5] also is filled with liquid refrigerant [11], its the corresponding heat that heat exchange area transmitted of height that fills liquid refrigerant [9] in the metal tube [5] should equal the heat that heat exchange area transmitted greater than all-glass vacuum thermal-collecting tube [1] inner glass tube [2], the top of medium level in metal tube [5], leave the space [8] that stores working substance steam, its volume equals greater than the swell increment of its volume of liquid refrigerant in novel vacuum heat collection pipe during heat production in summer water maximum temperature in the solar water heater or in the connecting pipe, at last with the flat sealing of freezing of liquid injecting mouth [6] folder, thereby make novel evacuated thermal-collecting tube, its heat transfer theory is because the interior high little come-up of liquid refrigerant proportion of temperature of thermal-collecting tube, the low working medium of temperature is than great sinking, convection heat transfer' heat-transfer by convection is main, is attended by Working fluid phase changing and conducts heat.
This novel evacuated thermal-collecting tube both can be enclosed within metal tube [5] on the outer wall of its oral area of all-glass vacuum thermal-collecting tube [1] [10] sealing and glued joint, and also metal tube [5] can be inserted on the inwall of its oral area of all-glass vacuum thermal-collecting tube [1] [10] sealing and glued joint.
This novel evacuated thermal-collecting tube both can be made metal tube straight barrel type metal tube [5A], the external diameter of its cementing position equals the external diameter at its heat exchange position of metal tube [5A], also metal tube can be made step metal tube [5B], that is the external diameter of metal tube [5B] cementing position is greater than the external diameter at metal tube [5B] heat exchange position.
This novel evacuated thermal-collecting tube, chamber [3] both can not tubulature core within it, keep cylindrical cavity [3A], be applicable to cheap working medium, also can fix the tube core [13] or the plug [13B] of a closed at both ends by elastic support [14], form annular cavity [3B] in novel evacuated thermal-collecting tube inner chamber [3] lining, be applicable to the working medium that price is more expensive, with filling weight and the raising heat transfer rate that reduces working medium.
This novel evacuated thermal-collecting tube both can adopt single port formula all-glass vacuum thermal-collecting tube [1A], stick with glue agent [4] sealing is gluedd joint notes mouth [7] on the band end [6], a upper end and the end [6] metal tube [5] at its oral area [10], also can adopt straight through type all glass vacuum thermal-collecting tube [1B], stick with glue the metal tube [5] that the band end [6] is gluedd joint in each sealing of agent [4] at its two ends oral area [10], wherein have on the metal tube [5] its end [6] to have liquid injecting mouth [7], be applicable to that heating drives the air that stores up in the air space [8].
At at the end [6] of this its metal tube of novel evacuated thermal-collecting tube [5], pressed from both sides the flat sealing of freezing after both can having welded a liquid injecting mouth [7] vacuum pumping liquid injection, it is applicable to selects for use the higher liquid of boiling point as working medium, for example boiling point is the ethanol that 100 ℃ water or boiling point are 78.3 ℃, it is during corresponding to 70 ℃ of solar water heater or solar heating engineering system heat production in summer water maximum temperatures, the saturated vapour pressure of this working medium is still less than the compressive resistance 1MPa of all-glass vacuum thermal-collecting tube, and make solar water heater and solar heating engineering system adopt ball-cock assembly to intake automatically from design in use, or the solar heating engineering system then adopted the pump forced circulation, to guarantee the not empty solarization of novel evacuated thermal-collecting tube, when in solar water heater or the solar heating engineering system during lack of water, adopt the warning system and Cao Seats is covered on the novel evacuated thermal-collecting tube array of blowing a whistle automatically, to guarantee the not empty solarization of novel evacuated thermal-collecting tube, also can go up a safety valve [7] is installed at the metal tube [5] its end [6] of novel evacuated thermal-collecting tube, it is applicable to selects for use the lower liquid of boiling point as working medium, for example boiling point is the ether that 58 ℃ acetone or boiling point are 34.6 ℃, it is during corresponding to 70 ℃ of solar water heater or solar heating engineering system heat production in summer coolant-temperature gages, the saturated vapour pressure of this working medium still less than or approach the compressive resistance 1Mpa of all-glass vacuum thermal-collecting tube [1], when the empty solarization of contingency, then by the safety valve venting, the empty back of shining replenishes heat-transfer working medium with syringe by safety valve.Or at very long opening metal thin tube [7] of the last welding of the metal tube [5] its end [6] of novel evacuated thermal-collecting tube, do not adorn or be equipped with safety valve [7] at oral area, its length is when mounted a little less than the liquid level of solar water container or connecting pipe, so that after empty the solarization, on solar water container or connecting pipe, during water, can replenish cold water automatically as heat-transfer working medium, can guarantee again when all-glass vacuum thermal-collecting tube bursts one of breakage to novel evacuated thermal-collecting tube, can seriously not leak, can continue operation.
The safety valve of this novel evacuated thermal-collecting tube [7] both can be made up of the liquid injecting mouth [7A] that an aperture is arranged on the cylinder of garden or opening metal thin tube [7] and rubber tube [7B], and also the check valve that can be made up of valve body [7A], valve [7C], valve seat [7B], spring [7E], spring base [7F], packing ring [7D] is as safety valve [7].
The working medium of this novel evacuated thermal-collecting tube [11] both can have been selected single kind of neat liquid for use, for example distilled water, methyl alcohol, ethanol, conduction oil, acetone, ether etc., also can select mixing material for use, the wherein solution or the mixing material of two kinds of liquid of salt solution, water intaking methyl alcohol, ethanol, acetone, ether for example, its freezing point is lower than-50 ℃ or be lower than locality-territory of use's winter minimum temperature, can not freeze during with assurance liquid refrigerant winter operation, or employing water adds anti-icing fluid or adopt water not add anti-icing fluid to south.
The liquid refrigerant of this novel evacuated thermal-collecting tube should select for use to the material of metal tube [5] example red copper or brass or aluminium alloy or stainless steel etc. or inner wall of metal tube after chemistry or electrochemical treatments as chromium plating, nickel plating or passivation, to the interior outer glass tube material of all-glass vacuum thermal-collecting tube [1], the liquid that the material of tube core [13] and support [14] thereof is not played the chemical attack effect is as working medium [1].

Claims (10)

1. the inner glass tube by outer surface coated spectral selective absorbing coating (2), and scorification sealing-in between its upper end oral area of transparent outer glass pipe (12), the lower end respectively has at the bottom of the semi-round ball, between inner glass tube (2) and the outer glass pipe (12) is the region of no pressure, the single port formula all-glass vacuum thermal-collecting tube of forming by the elastic support of a band getter in the region of no pressure, it is characterized in that on the outer wall of its oral area of single port formula all-glass vacuum thermal-collecting tube (1) (10), stick with glue agent (4) fluid sealant and be connected to the straight barrel type metal tube (5A) that the band end (6) and its splicing portion external diameter equals its heat exchange position external diameter, on metal tube (5) its end (6), be welded with a fluid injection and chew (7), after vacuumizing, all-glass vacuum thermal-collecting tube (1) and its inner chamber of metal tube (5) (3) be marked with liquid refrigerant (11), on the top of metal tube (5) its medium level of inner chamber, leave the space (8) that stores working substance steam.
2. according to the vacuum heat collection pipe of claim 1 defined, it is characterized in that being connected to the metal tube (5), or fluid sealant is connected to a metal tube (5) on the inwall of its oral area of all-glass vacuum thermal-collecting tube (1) (10) except that fluid sealant on the outer wall of its oral area of glass heat-collecting vacuum tube (1) (10).
3. according to the vacuum heat collection pipe of claim 1 or 2 defineds, it is characterized in that except that the metal tube (5) at the bottom of its oral area of all-glass vacuum thermal-collecting tube (1) (10) fluid sealant is connected to a straight barrel type band, or oral area (10) fluid sealant in all-glass vacuum thermal-collecting tube (1) is connected to the step metal tube (5B) of its cementing position external diameter greater than its heat exchange position external diameter
4. according to the vacuum heat collection pipe of claim 1,2 or 3 defineds.It is characterized in that novel evacuated thermal-collecting tube inner chamber (3) removes the not tubulature heart, outside the maintenance garden cylindrical cavity (3A), or in novel evacuated thermal-collecting tube inner chamber (3), be fixed with the tube core (13) of a closed at both ends with elastic support (4), form annular cavity (3B).
5. according to the vacuum heat collection pipe of claim 1,2,3 or 4 defineds, it is characterized in that removing employing single port formula all-glass vacuum thermal-collecting tube (1A), sticking with glue agent (4) sealing at its oral area (10) glueds joint and is welded with fluid injection on the band end (6), a upper end and the end (6) and chews outside the metal tube of (7) (5), or employing straight through type all glass vacuum thermal-collecting tube (1B), glued joint the metal tube (5) of the band end (6) at its two oral areas (10) with each sealing of cement (4), wherein have to be welded with fluid injection on the metal tube (5) its end (6) and to chew (7).
6. according to the vacuum heat collection pipe of claim 1,2,3,4 or 5 defineds, it is characterized in that chewing (7) except that on the end (6) of metal tube (5), being welded with fluid injection, or on the end (6), be welded with an opening slender metal pipe (7 "); and do not adorn or be equipped with a safety valve (7 '), or go up at the end (6) of metal tube (5) safety valve (7 ') is installed at its oral area.
7. according to the vacuum heat collection pipe of claim 6 defined, it is characterized in that safety valve (7 '), be that (7A) is equipped with a rubber tube (7 ' B) by having the fluid injection of an aperture to chew on the cylinder of garden, or at slender metal pipe (oral area of 7 ") is equipped with the rubber tube (7 ') at a band end, or the safety door of being made up of valve body (7 ' A), valve seat (7B '), valve (7C), spring (7E), spring base (7F), packing ring (7D) (7 ').
8. according to the vacuum heat collection pipe of claim 1 defined, it is characterized in that liquid refrigerant (11) adopts single kind of liquid, or adopt mixing material, or adopt solution.
9. according to the vacuum heat collection pipe of claim 1 defined, it is characterized in that metal tube (5) inner chamber (9) fills its corresponding heat that heat exchange area transmitted of height of liquid refrigerant should be greater than the heat that heat exchange area transmitted of all-glass vacuum thermal-collecting tube inner glass tube (2).
10. according to the vacuum heat collection pipe of claim 1 defined, it is characterized in that staying the space (8) of storage working substance steam on the top of metal tube (5) its medium level of inner chamber, its volume should be greater than summer when solar water container or connecting pipe heat production water maximum temperature, the swell increment of its volume of liquid refrigerant (11) in the novel evacuated thermal-collecting tube.
CN98206638U 1998-07-03 1998-07-03 Vacuum heat collecting pipe Expired - Fee Related CN2358405Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN98206638U CN2358405Y (en) 1998-07-03 1998-07-03 Vacuum heat collecting pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN98206638U CN2358405Y (en) 1998-07-03 1998-07-03 Vacuum heat collecting pipe

Publications (1)

Publication Number Publication Date
CN2358405Y true CN2358405Y (en) 2000-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN98206638U Expired - Fee Related CN2358405Y (en) 1998-07-03 1998-07-03 Vacuum heat collecting pipe

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CN (1) CN2358405Y (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1324275C (en) * 2004-03-18 2007-07-04 王恒月 Anti-explosion solar all glass vacuum heat collecting tubes
CN100420904C (en) * 2002-12-28 2008-09-24 徐宝安 Anti-scaling external shell full glass metal heat pipe vacuum heat collecting tube
CN100462647C (en) * 2002-12-28 2009-02-18 北京环能海臣科技有限公司 External shell full glass metal heat pipe vacuum heat collecting tube
CN100462648C (en) * 2002-12-28 2009-02-18 北京环能海臣科技有限公司 Method for producing external full glass metal heat pipe vacuum collecting tube
CN101089512B (en) * 2006-06-12 2012-09-05 淄博环能海臣环保技术服务有限公司 Solar vacuum heat collection tube with thermal insulation cavity on tail of tube
CN101598410B (en) * 2008-06-04 2013-01-23 北京环能海臣科技有限公司 Pressed necking reducing straight-through all-glass evacuated semi-round planar collector tube
CN103017379A (en) * 2013-01-11 2013-04-03 山东澳华新能源有限公司 Indirect heat exchanging water tank with heat exchanger and split solar water heater
CN101089511B (en) * 2006-06-12 2013-10-30 淄博环能海臣环保技术服务有限公司 Solar vacuum heat collection tube with thermal insulation cover on tail of tube
CN109357317A (en) * 2018-09-27 2019-02-19 山东泰安亿美达能源科技有限公司 A kind of solar heating air-conditioning
CN112087920A (en) * 2020-08-12 2020-12-15 东莞领杰金属精密制造科技有限公司 Stainless steel soaking plate and manufacturing method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100420904C (en) * 2002-12-28 2008-09-24 徐宝安 Anti-scaling external shell full glass metal heat pipe vacuum heat collecting tube
CN100462647C (en) * 2002-12-28 2009-02-18 北京环能海臣科技有限公司 External shell full glass metal heat pipe vacuum heat collecting tube
CN100462648C (en) * 2002-12-28 2009-02-18 北京环能海臣科技有限公司 Method for producing external full glass metal heat pipe vacuum collecting tube
CN1324275C (en) * 2004-03-18 2007-07-04 王恒月 Anti-explosion solar all glass vacuum heat collecting tubes
CN101089512B (en) * 2006-06-12 2012-09-05 淄博环能海臣环保技术服务有限公司 Solar vacuum heat collection tube with thermal insulation cavity on tail of tube
CN101089511B (en) * 2006-06-12 2013-10-30 淄博环能海臣环保技术服务有限公司 Solar vacuum heat collection tube with thermal insulation cover on tail of tube
CN101598410B (en) * 2008-06-04 2013-01-23 北京环能海臣科技有限公司 Pressed necking reducing straight-through all-glass evacuated semi-round planar collector tube
CN103017379A (en) * 2013-01-11 2013-04-03 山东澳华新能源有限公司 Indirect heat exchanging water tank with heat exchanger and split solar water heater
CN109357317A (en) * 2018-09-27 2019-02-19 山东泰安亿美达能源科技有限公司 A kind of solar heating air-conditioning
CN112087920A (en) * 2020-08-12 2020-12-15 东莞领杰金属精密制造科技有限公司 Stainless steel soaking plate and manufacturing method thereof

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C56 Change in the name or address of the patentee

Owner name: BEIJING TIANMING SUNSHINE SOLAR TECHNOLOGY CO., LT

Free format text: FORMER NAME OR ADDRESS: LUO GUIRONG

CP03 Change of name, title or address

Address after: Luo Ming 100044, room 526, building A, Huatong building, No. 19, West Road, Beijing, Haidian District Contact: Luo Ming

Patentee after: Beijing sunshine solar energy science and Technology Co Ltd

Address before: 100038 Beijing city Haidian District North pit No. 4 Chinese civil engineering company of Beijing China Iron Aid Construction Engineering Department

Patentee before: Luo Guirong

C57 Notification of unclear or unknown address
DD01 Delivery of document by public notice

Addressee: Luo Ming

Document name: Notification of Termination of Patent Right

C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee