CN205174883U - Non -vacuum solar energy collector tube - Google Patents

Non -vacuum solar energy collector tube Download PDF

Info

Publication number
CN205174883U
CN205174883U CN201520948625.0U CN201520948625U CN205174883U CN 205174883 U CN205174883 U CN 205174883U CN 201520948625 U CN201520948625 U CN 201520948625U CN 205174883 U CN205174883 U CN 205174883U
Authority
CN
China
Prior art keywords
capping
metal pipe
tube
collector metal
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520948625.0U
Other languages
Chinese (zh)
Inventor
廉永旺
王显龙
李华山
马伟斌
卜宪标
王令宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Institute of Energy Conversion of CAS
Original Assignee
Guangzhou Institute of Energy Conversion of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Institute of Energy Conversion of CAS filed Critical Guangzhou Institute of Energy Conversion of CAS
Priority to CN201520948625.0U priority Critical patent/CN205174883U/en
Application granted granted Critical
Publication of CN205174883U publication Critical patent/CN205174883U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Abstract

The utility model provides a non -vacuum solar energy collector tube, including metal thermal -collecting tube, the clear glass pipe of cover the metal thermal -collecting tube outside coaxially, certainly this clear glass both ends tip of managing do not to the metal thermal -collecting tube is provided with the closing cap, the closing cap respectively with the contacting area of clear glass pipe, metal thermal -collecting tube keeps sealed, just the outer pipe wall of metal thermal -collecting tube and the contact surface sliding connection of closing cap. The utility model has the advantages of simple and reasonable structure, can keep warm effectively, and manufacturing cost is cheap relatively, long service life is applicable to the temperature and requires not high slot type solar collector.

Description

A kind of antivacuum solar energy heat collection pipe
Technical field
The utility model relates to the technical field of trough type solar heat-collector, particularly relates to a kind of antivacuum solar energy heat collection pipe.
Background technology
Trough type solar heat-collector full name is groove type parabolic mirror solar thermal collector, be by multiple grooved parabolic concentrator heat collector through series-parallel arrangement, focus on direct sunlight, the working medium inside heating, vacuum thermal-collecting tube, produce high temperature, and then carry out heat utilization.Compared with flat-plate solar collector and vacuum tube solar heating element, trough type solar heat-collector can obtain the energy of higher temperature more high-quality, is more suitable for the higher industrial or agricultural of temperature requirement and civil area.
It is the bottleneck hindering its development and promote that the cost of current groove type solar heat utilization remains high, through type glassy metal vacuum tube is the critical component of current trough type solar heat-collector, because these parts need metal and glass sealing, and need to consider the problems such as expansion is flexible, vacuum seal, Weatherproof ageing-resistant, cause this manufacture cost of parts very high, in the cost of trough type solar heat-collector, account for very large proportion.
Particularly, at the high-temperature field of tank-type thermal power generation, heating-up temperature reaches 300-600 DEG C, and in this temperature range, vacuum heat-preserving seems particularly important, and under current techniques background, through type glassy metal vacuum tube is absolutely necessary critical component.For the application that temperature requirement within the scope of 100-200 DEG C is not high, although vacuum heat-preserving performance is better, need the cost price paid also very high.
Visible, be necessary to design a kind of thermal-collecting tube being applicable to the low cost of trough type solar heat-collector.
Summary of the invention
For prior art Problems existing, the utility model proposes a kind of antivacuum solar energy heat collection pipe being suitable for applying in 100 DEG C ~ 200 DEG C temperature ranges, to reduce the cost of trough type solar heat-collector.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of antivacuum solar energy heat collection pipe, comprise collector metal pipe, be enclosed within transparent glass tube outside collector metal pipe coaxially, from the end, two ends of this transparent glass tube, described collector metal pipe is provided with capping, capping keeps sealing with the contact site of described transparent glass tube, collector metal pipe respectively, and the described outer tube wall of collector metal pipe and the contact surface of capping are slidably connected.
Technique scheme; seal between transparent glass tube and capping; play effect that is dust-proof, waterproofing protection collector metal pipe; also seal between collector metal pipe and capping; heat insulation effect can be played; and collector metal pipe can move vertically relative to capping, the length variations caused because glass is different from metal temperature and the coefficient of expansion can be compensated.It is simple and reasonable, can effectively be incubated, and manufacturing cost relative moderate, long service life, is applicable to the trough type solar heat-collector that temperature requirement is not high.
The contact surface indent of described capping and collector metal pipe, and be provided with at this interior recess can the dynamic seal that slides of relatively described collector metal pipe outer tube wall, the other end of capping is provided with the groove matched with described clear glass tube wall end, is provided with the static seal for sealing described transparent glass tube in this groove.Capping and the sealing of collector metal pipe when producing relative sliding is kept by the closure between static seal maintenance capping and transparent glass tube, dynamic seal.
Described antivacuum solar energy heat collection pipe also comprises the one-way exhaust pipe passing capping from the gap between described collector metal pipe and transparent glass tube.The high pressure caused that clear glass inner air tube under the condition of high temperature can be expanded is discharged, and ensures the security of transparent glass tube, and due to high temperature air discharge, inner air tube reduces, and effectively reduces the heat loss that convection current causes.
Collector metal pipe inside described capping is provided with shadow shield.By shadow shield, solar energy can be blocked, avoid dynamic seal, static seal and capping temperature too high, play certain protective effect.
The utility model has the advantages that:
(1) this thermal-collecting tube is without vacuum heat-preserving requirement, and without the need to technical requirements such as glassy metal sealing-ins, technique is simple, significantly can reduce thermal-collecting tube cost;
(2) owing to there is not vacuum leak in this thermal-collecting tube, dissimilar metal sealing-in problems of crack, and the method for attachment between each parts is conventional ripening technology, even if use in the presence of a harsh environment, relative to conventional thermal-collecting tube, service life is significantly increased.
Accompanying drawing explanation
Fig. 1 is the structural representation of the antivacuum solar energy heat collection pipe of the utility model;
Fig. 2 is the top view of the antivacuum solar energy heat collection pipe of the utility model along tube wall direction;
Description of reference numerals: 1, transparent glass tube; 2, shadow shield; 3, capping; 4, dynamic seal; 5, collector metal pipe; 6, one-way exhaust pipe; 7, static seal.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, a kind of antivacuum solar energy heat collection pipe, comprise collector metal pipe 5, be enclosed within transparent glass tube 1 outside collector metal pipe 5 coaxially, from the end, two ends of this transparent glass tube 1, described collector metal pipe 5 is provided with capping 3, capping 3 keeps sealing with the contact site of described transparent glass tube 1, collector metal pipe 5 respectively, and the outer tube wall of described collector metal pipe 5 and the contact surface of capping 3 are slidably connected.
Further, the contact surface indent of described capping 3 and collector metal pipe 5, and be provided with at this interior recess can the dynamic seal 4 that slides of relatively described collector metal pipe 5 outer tube wall, the other end of capping 3 is provided with the groove matched with described transparent glass tube 1 tube wall end, is provided with the static seal 7 for sealing described transparent glass tube 1 in this groove; Described antivacuum solar energy heat collection pipe also comprises the one-way exhaust pipe 6 passing capping 3 from the gap between described collector metal pipe 5 and transparent glass tube 1; Collector metal pipe 5 inside described capping 3 is provided with shadow shield 2.
Generally speaking, antivacuum solar energy heat collection pipe of the present utility model, comprises transparent glass tube 1, shadow shield 2, capping 3, dynamic seal 4, collector metal pipe 5, one-way exhaust pipe 6, static seal 7 etc.Sealed by static seal 7 between transparent glass tube 1 and capping 3, play the effect of dust-proof, waterproof and protection collector metal pipe 5; Be connected by dynamic seal 4 between collector metal pipe 5 with capping 3 and seal, dynamic seal 4 plays heat insulation, sealing function, and collector metal pipe 5 can move vertically relative to capping 3 and dynamic seal 4, can compensate the length variations caused because glass is different from metal temperature and the coefficient of expansion; Moreover, due at high operating temperatures, in transparent glass tube 1, air can expand and cause overpressure to increase, and gas in pipe can be discharged by the one-way exhaust pipe 6 that the utility model is arranged, ensure the safety of transparent glass tube 1, and due to high temperature air discharge, inner air tube reduces, and more effectively can reduce the heat loss that convection current causes.In addition, solar energy blocks by described shadow shield 2, avoids dynamic seal 4, static seal 7 and capping 3 temperature too high, plays certain protective effect.
Compared with Conventional metallic glasses vacuum tube, though collecting efficiency decreases, this thermal-collecting tube has the advantages such as structure is simple, cost is low, the life-span is long.
Above-listed detailed description is illustrating for the utility model possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the scope of the claims of this case.

Claims (4)

1. an antivacuum solar energy heat collection pipe, it is characterized in that, comprise collector metal pipe, be enclosed within transparent glass tube outside collector metal pipe coaxially, from the end, two ends of this transparent glass tube, described collector metal pipe is provided with capping, capping keeps sealing with the contact site of described transparent glass tube, collector metal pipe respectively, and the described outer tube wall of collector metal pipe and the contact surface of capping are slidably connected.
2. antivacuum solar energy heat collection pipe according to claim 1, it is characterized in that, the contact surface indent of described capping and collector metal pipe, and be provided with at this interior recess can the dynamic seal that slides of relatively described collector metal pipe outer tube wall, the other end of capping is provided with the groove matched with described clear glass tube wall end, is provided with the static seal for sealing described transparent glass tube in this groove.
3. antivacuum solar energy heat collection pipe according to claim 1 and 2, is characterized in that, also comprises the one-way exhaust pipe passing capping from the gap between described collector metal pipe and transparent glass tube.
4. antivacuum solar energy heat collection pipe according to claim 1 and 2, is characterized in that, the collector metal pipe inside described capping is provided with shadow shield.
CN201520948625.0U 2015-11-24 2015-11-24 Non -vacuum solar energy collector tube Expired - Fee Related CN205174883U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520948625.0U CN205174883U (en) 2015-11-24 2015-11-24 Non -vacuum solar energy collector tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520948625.0U CN205174883U (en) 2015-11-24 2015-11-24 Non -vacuum solar energy collector tube

Publications (1)

Publication Number Publication Date
CN205174883U true CN205174883U (en) 2016-04-20

Family

ID=55738866

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520948625.0U Expired - Fee Related CN205174883U (en) 2015-11-24 2015-11-24 Non -vacuum solar energy collector tube

Country Status (1)

Country Link
CN (1) CN205174883U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258366A (en) * 2015-11-24 2016-01-20 中国科学院广州能源研究所 Non-vacuum solar collector tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258366A (en) * 2015-11-24 2016-01-20 中国科学院广州能源研究所 Non-vacuum solar collector tube

Similar Documents

Publication Publication Date Title
CN102840702B (en) External expansion joint type glass-metal sealing-in end socket structure with internal shielding cover
CN102563930B (en) High-temperature vacuum solar collector tube with outlaid expansion joint for solar power generation
CN205174883U (en) Non -vacuum solar energy collector tube
CN103277911B (en) Detachable straight-through type solar vacuum heat collecting tube
CN105716304A (en) Metal-glass directly-sealed type solar high-temperature heat collecting pipe
CN201327211Y (en) Solar energy metal straight-through type heat-collecting pipe
CN101832671A (en) Solar collector tube
CN202853169U (en) Glass-metal sealing-in ends structure
CN202562086U (en) Tank type solar optothermal photoelectric converter
CN201917113U (en) Solar vacuum tube
CN201666681U (en) End portion sealing structure of low and high temperature solar energy vacuum heat-collecting tube
CN201724444U (en) Solar evacuated collector tube
CN202928166U (en) Solar energy vacuum heat collection tube
CN105258366A (en) Non-vacuum solar collector tube
CN204372157U (en) A kind of solar thermal collector and water heater heat-insulating and sealing silica gel ring
CN202973626U (en) Solar vacuum tube
CN202660793U (en) Epitaxial straight-through type solar heat absorption tube
CN201885452U (en) Novel high-temperature solar vacuum heat accumulating pipe adopting ceramic copper-bonded seal
CN203533937U (en) Finned solar evacuated collector tube with all-glass heat tubes
CN204254915U (en) A kind of solar energy heating bellows
CN203964400U (en) A kind of Split double chamber seal plate solar thermal collector
CN204313504U (en) A kind of metal-glass head seal thermal-collecting tube
CN102538251A (en) Solar vacuum tube
CN107388596A (en) A kind of tower surface heat dump tube panel of vacuum heat-preserving
CN203336858U (en) Dismountable straight-through type solar energy evacuated collector tube

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160420

Termination date: 20181124

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