CN106940097A - A kind of pressure-bearing inner liner and its processing unit (plant) of solar thermal collector header - Google Patents

A kind of pressure-bearing inner liner and its processing unit (plant) of solar thermal collector header Download PDF

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Publication number
CN106940097A
CN106940097A CN201710262067.6A CN201710262067A CN106940097A CN 106940097 A CN106940097 A CN 106940097A CN 201710262067 A CN201710262067 A CN 201710262067A CN 106940097 A CN106940097 A CN 106940097A
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CN
China
Prior art keywords
pressure
inner liner
bearing inner
solar thermal
thermal collector
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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.)
Pending
Application number
CN201710262067.6A
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Chinese (zh)
Inventor
汤燕华
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Haining Huihao Solar Energy Technology Co Ltd
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Haining Huihao Solar Energy Technology Co Ltd
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Priority to CN201710262067.6A priority Critical patent/CN106940097A/en
Publication of CN106940097A publication Critical patent/CN106940097A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001Shaping combined with punching, e.g. stamping and perforating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/70Sealing means
    • 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

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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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

The invention provides a kind of pressure-bearing inner liner and its processing unit (plant) of solar thermal collector header, belong to solar thermal collector technical field.It solves existing pressure-bearing inner liner and is welded and fixed with connection end, the problem of easily corroding and cause leakage.The pressure-bearing inner liner of this solar thermal collector header, straight tube-like body including stainless steel, there are several inline connection ends for being used to insert vacuum heat collection pipe on the surface of body, connection end is outwardly and cylindrical, connection end and body are integral type structure, and the port of connection end has 180 ° of the flange of bending inwards.Pressure-bearing inner liner is integral type structure, compared to being welded to connect, anticorrosion, good airproof performance, sound construction.

Description

A kind of pressure-bearing inner liner and its processing unit (plant) of solar thermal collector header
Technical field
The invention belongs to solar thermal collector technical field, be related to a kind of solar thermal collector header pressure-bearing inner liner and its Processing unit (plant).
Background technology
Solar thermal collector header includes outer case and inner bag, and inner bag is placed in outer case, connector is provided with inner bag, very Empty set heat pipe one end is inserted in outer case and inner bag.In order to improve the sealing effectiveness of junction between inner bag and vacuum heat collection pipe, Sleeve pipe is first welded with toward up connector, vacuum heat collection pipe close-fitting is in sleeve pipe.
The utility model announced such as Chinese patent【The patent No. 201620505336.8】, the utility model discloses a kind of new The water-tight pressure-bearing solar heat collector of type bombing, including the inner bag that solar energy header is connected with solar energy header, solar energy header Heat-insulation layer is set between inner bag, and solar energy header both sides are respectively provided with the connection mouth of pipe, and inner bag includes two and half square inner bags, inner bag It is upper that multiple through holes are set, through hole set be coaxial therewith and with the flange retainer plate of inner bag surface angle in 90 °, flange retainer plate Inside or outside inner bag, the protection sleeve pipe of both ends open is set, the two ends of protection sleeve pipe are exposed to outside through hole in through hole, And protection sleeve pipe is connected with flange retainer plate binding site welded seal.This is simple in construction, and through hole sets flange retainer plate, increases Big inner bag and the direct bonding area of protection pipe, firm welding, while inner bag is two and half square inner tubes, convenient processing through hole.
Although this attachment structure improves bonding area, increases firmness, but weld is easy after long-term use Leaked by the dielectric corrosion in inner bag, cause sealing effectiveness to be deteriorated.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of solar thermal collector header Pressure-bearing inner liner, body is integral type structure with connection end, and anticorrosive property is good, and good sealing effect is easy for installation.
The purpose of the present invention can be realized by following technical proposal:A kind of pressure-bearing inner liner of solar thermal collector header, Straight tube-like body including stainless steel, it is characterised in that there are several inline to be used to insert on the surface of body The connection end of vacuum heat collection pipe, connection end is outwardly and cylindrical, and connection end is integral type structure with body, connection end Port has 180 ° of the flange of bending inwards.
Pressure-bearing inner liner is made up of stainless steel material, in the connection end of vacuum heat collection pipe insertion pressure-bearing inner liner, the flange of port On be cased with sealing ring, improve the sealing effectiveness of two junctions, because this pressure-bearing inner liner is integral type structure, connection end is direct A series of punch forming is carried out on body, was weldingly fixed on compared to former connection end on body, the connection of this pressure-bearing inner liner More firmly, sealing effectiveness is more preferable.Because connection end is extrusion forming from inside to outside, so the inner port diameter of connection end is bigger In external port diameter, causing the wall of connection end has certain gradient, in order to improve the contact surface of connection end and vacuum heat collection pipe, Therefore by designing the form of inside flange, contacted by flange with vacuum heat collection pipe, and the angle of flange is in processing Controllable, so flange is designed to and vacuum heat-collecting pipe surface close-fitting.This pressure-bearing inner liner is connected with vacuum heat collection pipe need not Welding, integral structure good airproof performance, it is only necessary to sealing ring is covered on connection end, then vacuum heat collection pipe is inserted into connection end , installation is also convenient for.
Further, the axial line of the connection end is perpendicular to the axial line of body and both are in same plane.
Further, the height of the flange is less than the height of connection end.
Further, the connection end is equally spaced along the length direction of body, the wall thickness and body of the connection end Wall thickness it is identical.
The invention also discloses a kind of processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header, including briquetting, drift, Outer core, inner core, pull bar and fixed seat, it is characterised in that outer core is in straight tube-like and is slidably fitted in pressure-bearing inner liner body, Outer core surface is provided with two axisymmetric side punchings and a upper forming hole, and fixed seat is welded and fixed in outer in-core, fixed Seat is in T fonts and provided with the dumping pit extended transversely through, and side punching is overlapping with dumping pit, and the drift is driven by hydraulic cylinder one to be made Move horizontally and can extend into dumping pit, inner core is cylindrical and upper surface is provided with flange groove, and inner core is embedded in forming hole And can be slided along upper forming hole, briquetting is cylindrical to be driven work vertically movable and can extend into upper forming hole by hydraulic cylinder two Interior, pull bar is moved located at fixed seat upper surface and along outer wire mandrel, and pull bar tail end stretches out outer core and is connected with telescopic cylinder, is being drawn The front end of bar has raised jacking part, and the jacking part has inclined-plane one, and the inner core lower surface leans with pull bar, inside Core lower end has the inclined-plane two relative with inclined-plane one, and inclined-plane one and inclined-plane two are parallel to each other, and this processing unit (plant) also includes traction gas Cylinder and motor, the output shaft of motor are connected with traction cylinder and drive traction rotational cylinder, so the push rod front end of traction cylinder The clamping head of pressure-bearing inner liner can be clamped by being connected with.
Drawing cylinder pulls pressure-bearing inner liner to advance, when reaching station and stopping to be added, starts hydraulic cylinder one, drift and outer core Side punching coordinate, aperture is stamped out on pressure-bearing inner liner;Pressure-bearing inner liner, which is punched, be moved along after aperture a segment distance, Ran Houyi Pressure-bearing inner liner is set to rotate 90 ° by the output shaft of motor, traction cylinder promotes pressure-bearing inner liner to be moved to original position backward, is directed at aperture Upper forming hole.Start telescopic cylinder, pull pull bar to be moved rearwards by, make the forward ends thereof inner core of pull bar, inclined-plane one and inclined-plane two are pasted Close, inner core is moved up under the active force of pull bar, and connection end is squeezed out in the aperture position of pressure-bearing inner liner.Start hydraulic cylinder two, pressure Block is pressed down against aperture, by coordinating with the flange groove of inner core, the port edge of connection end is bent inwards, is turned over so as to be formed Side.
Further, the axis of upper forming hole intersects and vertical with the axis of side punching.
Further, the drift, side punching, dumping pit are position ellipse.The aperture of ellipse, punching are formed after punching Waste material behind hole is stayed in dumping pit, and outer core is departed from after whole pressure-bearing inner liner is processed, then takes out from dumping pit waste material.
Further, the fixed seat upper surface is welded with two baffle plates, and pull bar is embedded between two baffle plates.Baffle plate For limiting pull bar, pull bar is moved straight, prevent that pull bar from swinging in movement.
Further, the inclination angle on inclined-plane one and inclined-plane two is 45 °.Pull bar is moved horizontally, pull bar extruding inner core, interior Core is moved up.
Further, three end faces of the fixed seat be arc surface and leant with the inwall of outer core and by welding It is fixed.
Compared with prior art, the pressure-bearing inner liner and its processing unit (plant) of this solar thermal collector header have advantages below:
1. pressure-bearing inner liner is integral type structure, compared to being welded to connect, anticorrosion, good airproof performance, sound construction.
It is made, is easily deformed 2. present pressure-bearing inner liner is mostly copper product, easily leakage, this pressure-bearing inner liner is stainless steel Material, hardness is big, it is not easy to deform, long service life.
3. a processing unit (plant) integrates punching, shaping, flange, without welding and being fabricated separately connection end, out of pressure-bearing Connection end is stamped out on courage body, simplifies technique, process velocity is fast, substantially increases production capacity.
4. high degree of automation in process, can fully rely on each power source and be automatically performed, cost of labor is reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the pressure-bearing inner liner of this solar thermal collector header.
Fig. 2 is the partial sectional view of the pressure-bearing inner liner of this solar thermal collector header.
Fig. 3 is the outer core inner structure schematic cross-sectional view of the processing unit (plant) of the pressure-bearing inner liner of this solar thermal collector header.
Fig. 4 is the positive structure diagram of the processing unit (plant) of the pressure-bearing inner liner of this solar thermal collector header.
Fig. 5 is the side structure schematic view of the processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header.
Fig. 6 is the fiting relation figure of inner core, pull bar and fixed seat.
Fig. 7 is the structural representation of fixed seat.
In figure, 1, body;2nd, connection end;3rd, flange;4th, briquetting;5th, drift;6th, outer core;7th, inner core;8th, pull bar;9th, it is fixed Seat;10th, side punching;11st, upper forming hole;12nd, dumping pit;13rd, hydraulic cylinder one;14th, flange groove;15th, hydraulic cylinder two;16th, stretch Cylinder;17th, jacking part;18th, inclined-plane one;19th, inclined-plane two;20th, cylinder is drawn;21st, motor;22nd, baffle plate;23rd, clamping head.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in Figure 1 and Figure 2, the pressure-bearing inner liner of this solar thermal collector header includes the straight tube-like body 1 of stainless steel, The surface of body 1 has several inline connection ends 2 for being used to insert vacuum heat collection pipe, and connection end 2 is outwardly And it is cylindrical, connection end 2 and body 1 are integral type structure, and the port of connection end 2 has 180 ° of the flange 3 of bending inwards.
The axial line of connection end 2 is perpendicular to the axial line of body 1 and both are in same plane, the height of the flange 3 Degree is less than the height of connection end 2, and length direction of the connection end 2 along body 1 is equally spaced, the wall thickness of the connection end 2 It is identical with the wall thickness of body 1.
Pressure-bearing inner liner is made up of stainless steel material, in the connection end 2 of vacuum heat collection pipe insertion pressure-bearing inner liner, the flange of port Sealing ring is cased with 3, the sealing effectiveness of two junctions is improved, because this pressure-bearing inner liner is integral type structure, connection end 2 is straight It is connected on body 1 and carries out a series of punch forming, was weldingly fixed on compared to former connection end 2 on body 1, this pressure-bearing inner liner More firmly, sealing effectiveness is more preferable for connection.Because connection end 2 is extrusion forming from inside to outside, so the inner port of connection end 2 is straight Footpath is slightly larger than external port diameter, and causing the wall of connection end 2 has certain gradient, in order to improve connection end 2 and vacuum heat collection pipe Contact surface, therefore by designing the form of inside flange 3, contacted by flange 3 with vacuum heat collection pipe, and the angle of flange 3 Degree is controllable in processing, so flange 3 is designed to and vacuum heat-collecting pipe surface close-fitting.This pressure-bearing inner liner and vacuum heat-collecting Pipe connection need not be welded, integral structure good airproof performance, it is only necessary to cover sealing ring on connection end 2, then by vacuum heat collection pipe It is inserted into connection end 2, installation is also convenient for.
As shown in Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, the processing unit (plant) of the pressure-bearing inner liner of this solar thermal collector header includes Briquetting 4, drift 5, outer core 6, inner core 7, pull bar 8 and fixed seat 9, outer core 6 is in straight tube-like and is slidably fitted in pressure-bearing inner liner body 1 Interior, the outer surface of core 6 is provided with two axisymmetric side punchings 10 and a upper forming hole 11, and fixed seat 9 is welded and fixed in outer core 6 Interior, fixed seat 9 is in T fonts and provided with the dumping pit 12 extended transversely through, and side punching 10 is overlapping with dumping pit 12.
Drift 5 can be moved horizontally and can extend into dumping pit 12 by the driving of hydraulic cylinder 1, inner core 7 it is cylindrical and Upper surface is provided with flange groove 14, and inner core 7 is embedded in forming hole 11 and can slided along upper forming hole 11, and briquetting 4 is cylindrical Made vertically movable by the driving of hydraulic cylinder 2 15 and can be extend into upper forming hole 11.
Pull bar 8 is moved located at the upper surface of fixed seat 9 and along the outer axis of core 6, and the tail end of pull bar 8 stretches out outer core 6 and flexible gas Cylinder 16 is connected, and has raised jacking part 17 in the front end of pull bar 8, and the jacking part 17 has under inclined-plane 1, the inner core 7 End face leans with pull bar 8, has the inclined-plane two 19 relative with inclined-plane 1, inclined-plane 1 and inclined-plane 2 19 in the lower end of inner core 7 It is parallel to each other.The inclination angle on inclined-plane 1 and inclined-plane 2 19 is 45 °.Pull bar 8 is moved horizontally, the extruding inner core 7 of pull bar 8, interior Core 7 is moved up.
This processing unit (plant) also includes traction cylinder 20 and motor 21, and the output shaft of motor 21 is connected and band with traction cylinder 20 Dynamic traction cylinder 20 is rotated, and the push rod front end of traction cylinder 20, which is connected with, can clamp the clamping head 23 of pressure-bearing inner liner.
The axis of upper forming hole 11 intersects and vertical with the axis of side punching 10.Drift 5, side punching 10, dumping pit 12 are equal For position ellipse.The aperture of ellipse is formed after punching, the waste material after punching is stayed in dumping pit 12, when whole pressure-bearing inner liner adds Depart from outer core 6 after work is complete, then waste material is taken out from dumping pit 12.The upper surface of fixed seat 9 is welded with two baffle plates 22, pull bar 8 are embedded between two baffle plates 22, three end faces of fixed seat 9 be arc surface and leant with the inwall of outer core 6 and by weldering Connect fixation.Baffle plate 22 is used to limit pull bar 8, pull bar 8 is moved straight, prevents that pull bar 8 from swinging in movement.
Drawing cylinder 20 pulls pressure-bearing inner liner to advance, and when reaching station and stopping to be added, starts hydraulic cylinder 1, drift 5 Coordinate with the side punching 10 of outer core 6, aperture is stamped out on pressure-bearing inner liner;Pressure-bearing inner liner punch be moved along after aperture one section away from From then relying on the output shaft of motor 21 makes pressure-bearing inner liner rotate 90 °, and traction cylinder 20 promotes pressure-bearing inner liner to be moved to original backward Position, makes the upper forming hole 11 of aperture alignment.Start telescopic cylinder 16, pull pull bar 8 to be moved rearwards by, in the forward ends thereof for making pull bar 8 Core 7, inclined-plane 1 and inclined-plane 2 19 are fitted, and inner core 7 is moved up under the active force of pull bar 8, are squeezed in the aperture position of pressure-bearing inner liner Extrude connection end 2.Start hydraulic cylinder 2 15, briquetting 4 is pressed down against aperture, coordinates by the flange groove 14 with inner core 7, make connection The port edge at end 2 bends inwards, so as to form flange 3.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (10)

1. a kind of pressure-bearing inner liner of solar thermal collector header, includes the straight tube-like body of stainless steel, it is characterised in that in body Surface there is several inline connection ends for being used to insert vacuum heat collection pipe, connection end is outwardly and in pipe Shape, connection end and body are integral type structure, and the port of connection end has 180 ° of the flange of bending inwards.
2. a kind of pressure-bearing inner liner of solar thermal collector header according to claim 1, it is characterised in that the connection end Axial line perpendicular to body axial line and both be in same plane.
3. the pressure-bearing inner liner of a kind of solar thermal collector header according to claim 1, it is characterised in that the flange Highly it is less than the height of connection end.
4. a kind of pressure-bearing inner liner of solar thermal collector header according to claim 1, it is characterised in that the connection end It is equally spaced along the length direction of body, the wall thickness of the connection end is identical with the wall thickness of body.
5. the processing unit (plant) of the pressure-bearing inner liner of any solar thermal collector header in a kind of claim 1-4, including briquetting, punching Head, outer core, inner core, pull bar and fixed seat, it is characterised in that outer core is in straight tube-like and is slidably fitted in pressure-bearing inner liner body Interior, outer core surface is provided with two axisymmetric side punchings and a upper forming hole, and fixed seat is welded and fixed in outer in-core, Gu Reservation is in T fonts and provided with the dumping pit extended transversely through, and side punching is overlapping with dumping pit, and the drift is driven by hydraulic cylinder one can Move horizontally and can extend into dumping pit, inner core is cylindrical and upper surface is provided with flange groove, and inner core is embedded in forming hole In and can be slided along upper forming hole, briquetting is cylindrical to be driven work vertically movable and can extend into upper forming hole by hydraulic cylinder two Interior, pull bar is moved located at fixed seat upper surface and along outer wire mandrel, and pull bar tail end stretches out outer core and is connected with telescopic cylinder, is being drawn The front end of bar has raised jacking part, and the jacking part has inclined-plane one, and the inner core lower surface leans with pull bar, inside Core lower end has the inclined-plane two relative with inclined-plane one, and inclined-plane one and inclined-plane two are parallel to each other, and this processing unit (plant) also includes traction gas Cylinder and motor, the output shaft of motor are connected with traction cylinder and drive traction rotational cylinder, so the push rod front end of traction cylinder The clamping head of pressure-bearing inner liner can be clamped by being connected with.
6. the processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header according to claim 5, it is characterised in that on into The axis of type hole intersects and vertical with the axis of side punching.
7. the processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header according to claim 5, it is characterised in that described Drift, side punching, dumping pit are position ellipse.
8. the processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header according to claim 5, it is characterised in that described Fixed seat upper surface is welded with two baffle plates, and pull bar is embedded between two baffle plates.
9. the processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header according to claim 5, it is characterised in that inclined-plane One is 45 ° with the inclination angle on inclined-plane two.
10. the processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header according to claim 5, it is characterised in that institute Three end faces for stating fixed seat are arc surface and leant and with the inwall of outer core by being welded and fixed.
CN201710262067.6A 2017-04-20 2017-04-20 A kind of pressure-bearing inner liner and its processing unit (plant) of solar thermal collector header Pending CN106940097A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110405000A (en) * 2019-07-16 2019-11-05 浙江志达管业有限公司 A kind of stainless steel tube drawing process

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Publication number Priority date Publication date Assignee Title
CN2283217Y (en) * 1996-10-11 1998-06-03 黄鸣 Sealing structure of vacuum heat collector
CN200996747Y (en) * 2007-01-16 2007-12-26 郑明珠 Solar water heater
CN202494238U (en) * 2012-01-17 2012-10-17 太原市东煜阳光太阳能工程有限公司 Heat-exchange box body
US20130186390A1 (en) * 2011-06-15 2013-07-25 Ail Research Inc. Solar energy collection
CN203323437U (en) * 2013-06-17 2013-12-04 云南火鹰太阳能热水器有限公司 Outer flanging installation port of inner container for collector tube of solar water heater
CN206739660U (en) * 2017-04-20 2017-12-12 海宁汇豪太阳能科技有限公司 A kind of processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header
CN106964692B (en) * 2017-04-20 2019-04-12 海宁汇豪太阳能科技有限公司 A kind of processing technology and its processing unit (plant) of pressure-bearing inner liner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2283217Y (en) * 1996-10-11 1998-06-03 黄鸣 Sealing structure of vacuum heat collector
CN200996747Y (en) * 2007-01-16 2007-12-26 郑明珠 Solar water heater
US20130186390A1 (en) * 2011-06-15 2013-07-25 Ail Research Inc. Solar energy collection
CN202494238U (en) * 2012-01-17 2012-10-17 太原市东煜阳光太阳能工程有限公司 Heat-exchange box body
CN203323437U (en) * 2013-06-17 2013-12-04 云南火鹰太阳能热水器有限公司 Outer flanging installation port of inner container for collector tube of solar water heater
CN206739660U (en) * 2017-04-20 2017-12-12 海宁汇豪太阳能科技有限公司 A kind of processing unit (plant) of the pressure-bearing inner liner of solar thermal collector header
CN106964692B (en) * 2017-04-20 2019-04-12 海宁汇豪太阳能科技有限公司 A kind of processing technology and its processing unit (plant) of pressure-bearing inner liner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110405000A (en) * 2019-07-16 2019-11-05 浙江志达管业有限公司 A kind of stainless steel tube drawing process

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Application publication date: 20170711