WO2022237021A1 - Dispositif et procédé de pénétration rapide de tube sous vide de collecte de chaleur à distance ultra-longue de fresnel linéaire - Google Patents

Dispositif et procédé de pénétration rapide de tube sous vide de collecte de chaleur à distance ultra-longue de fresnel linéaire Download PDF

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Publication number
WO2022237021A1
WO2022237021A1 PCT/CN2021/117591 CN2021117591W WO2022237021A1 WO 2022237021 A1 WO2022237021 A1 WO 2022237021A1 CN 2021117591 W CN2021117591 W CN 2021117591W WO 2022237021 A1 WO2022237021 A1 WO 2022237021A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum tube
ultra
track
linear fresnel
long
Prior art date
Application number
PCT/CN2021/117591
Other languages
English (en)
Chinese (zh)
Inventor
贾元超
赵勇
逯军
王鑫
冯保展
Original Assignee
中国电建集团山东电力建设第一工程有限公司
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 中国电建集团山东电力建设第一工程有限公司 filed Critical 中国电建集团山东电力建设第一工程有限公司
Publication of WO2022237021A1 publication Critical patent/WO2022237021A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/04—Driving gear manually operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Definitions

  • the invention belongs to the field of construction, and in particular relates to a fast-fitting device and method for a linear Fresnel ultra-long-distance heat-collecting vacuum tube.
  • the collector vacuum tube of the linear Fresnel photothermal unit is a molten salt pipeline heated by the primary and secondary mirrors. It is composed of a 347H stainless steel steel pipe wrapped with a glass vacuum tube. It is installed at the lower part of the secondary mirror and focused through the primary and secondary mirrors. Sunlight heats the molten salt inside the pipes.
  • Each heat collection vacuum tube is composed of a single heat collection tube with a length of three meters. Each heat collection line is usually more than two kilometers long. Therefore, in the installation of heat collection tubes, dressing is the most critical step. process. A good fitting process can not only ensure the safety of the installation of the heat collecting tube, but also greatly improve the efficiency of the installation and shorten the installation period.
  • the object of the present invention is to provide a linear Fresnel ultra-long-distance heat-collecting vacuum tube fast threading device and method, which adopts assembly line operation, greatly reduces the use of mobile cranes, and reduces the cost of materials. Bad luck and movement of people, improving safety.
  • the present invention is achieved through the following technical solutions:
  • a linear Fresnel ultra-long-distance heat collection vacuum tube fast installation device including a suspended fixed track And a support frame that slides or rolls to connect the fixed track, and the support frame is used to support the heat collecting vacuum tube; one end of the fixed track is also connected with a temporary track, and the heat collecting vacuum tube is plugged in for wearing the support; the support frame is connected to the flexible cable, and the flexible cable It can tow the wearing bracket to move on the temporary track and the fixed track.
  • the technical solution of the present invention also provides a method for quickly installing a linear Fresnel ultra-long-distance heat-collecting vacuum tube, using a linear Fresnel ultra-long-distance heat-collecting vacuum tube as described in the first aspect Wearing device, comprises the steps:
  • the range of activities of the entire device can be increased when the position of the fixed track is fixed, which facilitates the use of fixed area operations, reduces transportation and scattered operations, and reduces The risk of damage to the vacuum heat collecting tube is reduced.
  • the fixed track, temporary track, support frame, and wearable bracket used constitute an integrated movable work platform, which can be prefabricated in advance, and the integrated movable work platform has higher safety performance, recycling, and reduces manpower Cost: Compared with temporary scaffolding, the integrated work platform is more stable and safe. When moving, it is hoisted to the adjacent pipeline by crane, and the movement is more convenient, saving time and more labor costs.
  • the flexible cable is used to cooperate with the hoist to pull the heat-collecting vacuum tube, which is convenient for on-site arrangement, avoids the use of too many components on the integrated movable work platform, and reduces the complexity of the system.
  • Figure 1 is an overall schematic diagram of the present invention according to one or more embodiments.
  • Figure 2 is a schematic top view of the present invention according to one or more embodiments
  • Fig. 3 is a schematic diagram of a wearing bracket according to one or more embodiments of the present invention.
  • Fig. 4 is a schematic cross-sectional view of a temporary track according to one or more embodiments of the present invention.
  • Fig. 5 is a schematic diagram of a support frame of a temporary track according to one or more embodiments of the present invention.
  • 100 windproof shed, 200, integrated wearable work platform, 300, winch, 400, steel wire rope, 500, vertical support, 1, fixed pulley, 2, temporary track, 5, steel wire rope, 6, fixed track, 7, heat collecting vacuum tube, 8, wearing support, 81, first waist bar, 82, second waist bar, 83, bottom edge plate, 84, middle bar, 85, cylindrical protrusion, 9, Bracing frame, 91, hoop, 92, bearing, 93, triangular support.
  • connection can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection, or an electrical connection, a direct connection, or an indirect connection through an intermediary, or an internal connection between two elements, or an interaction relationship between two elements.
  • connection can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection, or an electrical connection, a direct connection, or an indirect connection through an intermediary, or an internal connection between two elements, or an interaction relationship between two elements.
  • the existing method of vacuum tube installation mainly has the following disadvantages: 1) The vacuum tube and the secondary mirror need to be transported to the site for segmented and dispersed assembly, which increases the probability of damage to the vacuum tube; 2) welding The openings are scattered, and they are all high-altitude operations, which increases the difficulty of welding and testing; 3) a large number of hoisting machinery is used, and the construction cost is high; 4) personnel and machinery are frequently transferred, and the construction efficiency is low.
  • the present invention The purpose is to provide a linear Fresnel ultra-long-distance heat-collecting vacuum tube fast threading device and method, which adopts assembly line operation, greatly reduces the use of mobile cranes, reduces the reverse transportation of materials and the flow of personnel, and improves safety.
  • this embodiment provides a linear Fresnel ultra-long-distance heat collection vacuum tube 7 quick-fitting device, with an integrated wearing operation platform 200 as a linear
  • the main installation and operation platform of the Fresnel ultra-long-distance heat-collecting vacuum tube 7 is an ultra-long (up to 2,000 meters) characteristic of the linear Fresnel ultra-long-distance heat-collecting vacuum tube 7.
  • This embodiment uses an integrated The wearing work platform 200 assists in the installation of the linear Fresnel ultra-long-distance heat collecting vacuum tube 7 to be installed, and the integrated wearing work platform 200 is installed on the vertical support 500.
  • the integrated wearing work platform 200 is specifically Including fixed pulley 1, temporary track 2, welding windproof shed 100, winch 300, steel wire rope 400, fixed track 6, wearing bracket 8 and support frame 9, support frame 9 is slidably installed on fixed track 6 and temporary track 2, temporary track 2
  • the fixed pulley 1 is rotatably installed on the fixed rail 6 as an auxiliary rolling part of the steel wire rope 400, and one end of the steel wire rope 400 is connected to the hoist 300 so as to be driven by the hoist 300, and the middle part of the steel wire rope 400 is wound on the fixed pulley 1, and the wire rope
  • the end of 400 is fixedly connected to the wearing bracket 8, so as to drive the vacuum heat collecting pipe to move on the fixed track 6 through the wearing bracket 8.
  • the hoist 300 may be other forms of power source, such as the direct traction of the steel wire rope 400 by a car, or the manual traction of the steel wire rope 400 .
  • the wire rope 400 may be other forms of flexible ropes, such as polymer synthetic ropes or chain locks.
  • Multiple steel wire ropes 400 are provided, and the multiple steel wire ropes 400 are respectively connected to both sides of the wearing bracket 8 .
  • the fixed pulley 1 in this embodiment can change the force of the hoist 300 received by the wire rope 400 from vertical to horizontal, and the horizontal traction of the two strands of wire rope 400 makes the entire dressing system run smoothly forward, and is not easy to cause uneven force. Shaken or broken.
  • the heat collecting vacuum tube 7 is erected in the temporary track 2 through the support frame 9, and the tail section of the heat collecting vacuum tube 7 is inserted with a wearing bracket 8.
  • the wearing bracket 8 is subjected to During the tension of the steel wire rope 400, the heat collecting vacuum tube 7 that can be promoted moves on the fixed track 6 and the temporary track 2.
  • the heat collecting vacuum tube 7 is suspended in the temporary track 2 and the fixed track 6 by using the support frame 9, and the support frame 9
  • the heat-collecting vacuum tube 7 supported by it can be transported in a sliding or rolling manner.
  • At least a part of the fixed rail 6 is located in the welding windshield 100 . Since in this embodiment, the vacuum heat collecting tube needs to be welded during operation, it is necessary to use the welding windproof shed 100 to carry out necessary protection; it can be understood that the welding of the vacuum heat collecting tube is carried out in the welding windproof shed 100 of.
  • FIG. 1 for the welding windshield 100 in this embodiment, which directly wraps one end of the fixed rail 6 .
  • the combination of the heat collecting tubes adopts the combination of ground combination and platform combination.
  • the length of heat collecting vacuum tube 7 is 3 meters each. Before hoisting to the operation platform, two heat collecting vacuum tubes 7 are welded and assembled into 6 meters each, and then hoisted to the construction platform for wearing and combining to form an ultra-long distance heat collecting Vacuum tube7.
  • the welding of heat collecting vacuum tube 7 in this embodiment adopts the technology of combining argon arc automatic welding and phased array detection to ensure the integrated assembly line operation of fitting, welding and detection, which greatly improves the work efficiency.
  • the integrated work platform in this embodiment is more stable and safe. It is more convenient, saves time cost and more labor cost.
  • the traction and fixing device in this embodiment includes a triangular bracket and a cylindrical protrusion 85 connected to the bottom edge of the bracket.
  • the bracket includes a first waist bar 81, a second waist bar 82, a bottom side panel 93 and a middle bar 84, wherein the first waist bar 81, the second waist bar 82 and the bottom
  • the side plate parts 93 are connected to form a tripod, and one end of the middle rod part 84 is connected to the middle position of the bottom side board part 93, and the other end is connected to the top angle position of the tripod; the bottom side board part 93 is then connected to the cylindrical protrusion 85, and the cylinder Shaped protrusion 85 is used for plugging the heat collecting vacuum tube 7 .
  • the cylindrical protrusion 85 can be a steel pipe, and in other embodiments, it can also be a protrusion of other shapes, as long as it can meet the requirement of fixing the vacuum heat collecting tube.
  • the corner portion of the traction fixture facilitates the reduction of air resistance.
  • the temporary track 2 in this embodiment has a U-shaped cross-section and is provided with a groove matching the steel wire rope 400, so as to facilitate the transportation of the vacuum pipeline.
  • the temporary track 2 is designed into a U-shaped structure, and the hoist 300 and the steel wire rope 400 are in the groove of the temporary track 2, so as to avoid collision with the vacuum heat collecting tube and cause damage to the vacuum heat collecting tube.
  • the support frame 9 in this embodiment specifically includes a hoop 91 and the support frame 9 , and the hoop 91 of the vacuum heat collection pipe is installed on the support frame 9 .
  • the supporting frame 9 is in the shape of an obtuse isosceles triangle, and bearings 92 are installed at both ends of its base, and the supporting frame 9 is slidably installed on the fixed rail 6 through the bearings 92 .
  • connection in this embodiment is a detachable connection or a non-detachable connection, wherein the detachable connection is in the form of bolt connection, threaded connection or clamping, etc.; Just make a selection.
  • winch 300 and the integrated piercing work platform 200 have an up-and-down structure, which serves as the up-and-down orientation reference system in the present invention.
  • a method for quickly wearing a linear Fresnel ultra-long-distance heat-collecting vacuum tube 7 comprises the following steps:
  • the phased array inspection is carried out. After the welding joint is qualified, the traction and fixing device is placed on the end of the vacuum tube;
  • Traction two steel wire ropes 400 extend the steel wire ropes 400 through the two fixed pulleys 1 on the top of the work platform and fix them on the traction fixture;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

L'invention concerne un dispositif et un procédé permettant de pénétrer rapidement dans un tube sous vide de collecte de chaleur à distance ultra-longue de Fresnel linéaire, le dispositif comprenant une piste fixe suspendue (6) et un cadre de support (9) qui est relié à la piste fixe (6) de manière à coulisser ou à rouler, le cadre de support (9) étant utilisé pour supporter un tube sous vide de collecte de chaleur (7) ; une extrémité de la piste fixe (6) est également reliée à une piste temporaire (2), et le tube sous vide de collecte de chaleur (7) est inséré dans un support de pénétration (8) ; et le cadre de support (9) est relié à un câble flexible, et le câble flexible peut tirer le support de pénétration (8) pour se déplacer sur la piste temporaire (2) et la piste fixe (6).
PCT/CN2021/117591 2021-05-11 2021-09-10 Dispositif et procédé de pénétration rapide de tube sous vide de collecte de chaleur à distance ultra-longue de fresnel linéaire WO2022237021A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110512650.4A CN113291997B (zh) 2021-05-11 2021-05-11 一种线性菲涅尔超长距离集热真空管快速穿装装置及方法
CN202110512650.4 2021-05-11

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WO2022237021A1 true WO2022237021A1 (fr) 2022-11-17

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WO (1) WO2022237021A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113291997B (zh) * 2021-05-11 2022-05-27 中国电建集团山东电力建设第一工程有限公司 一种线性菲涅尔超长距离集热真空管快速穿装装置及方法

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WO2006065195A1 (fr) * 2004-12-13 2006-06-22 Sunstrip Ab Procede de fabrication d'echangeur de chaleur et systeme d'execution de ce procede
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US9608155B1 (en) * 2011-11-09 2017-03-28 John C Ingram Structurally integrated parabolic trough concentrator with combined PV and thermal receiver
US20180209162A1 (en) * 2017-01-25 2018-07-26 Glasspoint Solar, Inc. Thin film housing structures for collecting solar energy, and associated systems and methods
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CN113291997A (zh) * 2021-05-11 2021-08-24 中国电建集团山东电力建设第一工程有限公司 一种线性菲涅尔超长距离集热真空管快速穿装装置及方法

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CN102192368B (zh) * 2010-03-03 2014-06-25 五冶集团上海有限公司 大跨度架空管道滑移安装方法
CN101907202A (zh) * 2010-08-19 2010-12-08 中国水电建设集团十五工程局有限公司 移动支架式千斤顶管道安装施工工法
CN102434989B (zh) * 2011-12-28 2013-11-20 刘振中 槽式聚光太阳能用直通式集热真空管连接器
CN111112936A (zh) * 2020-01-13 2020-05-08 中国十七冶集团有限公司 一种管道定点吊装双向牵引安装装置及其施工方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006065195A1 (fr) * 2004-12-13 2006-06-22 Sunstrip Ab Procede de fabrication d'echangeur de chaleur et systeme d'execution de ce procede
US9608155B1 (en) * 2011-11-09 2017-03-28 John C Ingram Structurally integrated parabolic trough concentrator with combined PV and thermal receiver
CN205536614U (zh) * 2016-04-25 2016-08-31 河北工业大学 一种槽式聚光器
US20180209162A1 (en) * 2017-01-25 2018-07-26 Glasspoint Solar, Inc. Thin film housing structures for collecting solar energy, and associated systems and methods
CN108917206A (zh) * 2017-04-19 2018-11-30 中国科学院工程热物理研究所 一种太阳能驱动的燃料转化装置及方法
CN113291997A (zh) * 2021-05-11 2021-08-24 中国电建集团山东电力建设第一工程有限公司 一种线性菲涅尔超长距离集热真空管快速穿装装置及方法

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CN113291997A (zh) 2021-08-24

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