CN106481898A - A kind of HTHP air long-distance sand transport pipeline - Google Patents
A kind of HTHP air long-distance sand transport pipeline Download PDFInfo
- Publication number
- CN106481898A CN106481898A CN201611029561.XA CN201611029561A CN106481898A CN 106481898 A CN106481898 A CN 106481898A CN 201611029561 A CN201611029561 A CN 201611029561A CN 106481898 A CN106481898 A CN 106481898A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- temperature resistant
- resistant coating
- outer tube
- silicon carbide
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
- F16L23/026—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L49/00—Connecting arrangements, e.g. joints, specially adapted for pipes of brittle material, e.g. glass, earthenware
- F16L49/08—Adjustable joints; Joints allowing movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of HTHP air long-distance sand transport pipeline, including：Stainless steel outer tube (1), high-temperature resistant coating layer (2), silicon carbide ceramics inner tube (3), steel flange (4).The silicon carbide ceramic that interior conduit of the present invention is fired using static pressure equipment, its toughness and intensity height, heatproof is up to 2100 DEG C, each section of silicon carbide ceramic junction using inverse air-flow to slope overlap joint, expanding with heat and contract with cold for pipeline can effectively be met, outer tube adopts 304 stainless steel tubes, its inwall scribbles 1 high-temperature resistant coating of ZS, stainless steel junction is connected using flange seal, realize by temperature 1800K in storage heater in 30 seconds, the high temperature pure air of pressure 5MPa is transported to the high temperature valve inlet at 10 meters, and it is higher with heat shock resistance load, the features such as having dilatation amount.
Description
Technical field
The invention belongs to pure air Wind Tunnel Technique development field, and in particular to a kind of HTHP air remote pipe
Conveyance conduit.
Background technology
Pure air wind-tunnel as a type of hypersonic wind tunnel, be hypersonic technology research requisitely
Face testing equipment, is characterized in producing the pure test air of high temperature using accumulation of heat mode of heating and other auxiliary mode of heatings,
With respect to burning heating equipment, the pollution of the components such as H2O, CO2 can be significantly reduced or eliminate.Its effect achieve with truly
The less test flow parameter of flight environment of vehicle difference, can make test data accurately reflect real state of flight
Energy.At present domestic existing hypersonic wind tunnel mostly is combustion heating formula wind-tunnel, still do not build up can run pure
Wind channel.Build the HTHP pure air that one of key technology of hypersonic pure air wind-tunnel is more than 1800K
Conveying, need by the HTHP pure air of more than 1800K according to test requirements document continuously safe from storage heater
Outlet is transported to nozzle entry.
Content of the invention
The purpose of the present invention is：A kind of HTHP air remote pipe conveyance conduit is provided, realizes to store in 30 seconds
Temperature 1800K in hot device, the high temperature pure air of pressure 5MPa are transported to the high temperature valve inlet at 10 meters, and with heat-resisting punching
The features such as hitting that load is higher, have dilatation amount.
The technical scheme is that：A kind of HTHP air long-distance sand transport pipeline, including：Stainless steel outer tube, resistance to
The high-temperature coating bed of material, silicon carbide ceramics inner tube, steel flange；
Outermost layer of the stainless steel outer tube in HTHP air long-distance sand transport pipeline, for protecting the resistance to height
Thermo-paint layer and the silicon carbide ceramics inner tube are not affected by the external environment, and realize remote erection；
The high-temperature resistant coating layer is in layer adhered to by high-temperature resistant coating and is deposited on the stainless steel outer tube wall, and
Formed after drying；The high-temperature resistant coating layer is uniformly distributed and is filled in the stainless steel outer tube and the silicon carbide ceramics
Between pipe；The high-temperature resistant coating layer is used for reducing the biography of the heat of the silicon carbide ceramics inner tube to the stainless steel outer tube
Lead；
The silicon carbide ceramics inner tube is used for carrying high-temperature high-pressure air flow, reduces high-temperature high-pressure air flow to the high temperature resistant painting
The conduction of the bed of material；
The steel flange is used for the connection between the stainless steel outer tube；The steel flange includes：Boss is not
Rust steel flange, groove steel flange, coupling bar, sealing gasket；
Boss steel flange includes：For the boss with the groove steel flange clamping, high temperature resistant for filling
The interior Origuchi of high-temperature resistant coating layer connection realized by coating, for the bucking ladder overlapped with the stainless steel outer tube scalariform, uses
In the pad welded with the stainless steel outer pipe surface；
Groove steel flange includes：For the groove with the boss steel flange clamping, high temperature resistant for filling
The interior Origuchi of high-temperature resistant coating layer connection realized by coating, for the bucking ladder overlapped with the stainless steel outer tube scalariform, uses
In the pad welded with the stainless steel outer pipe surface；
The coupling bar is used for boss steel flange, being tightly connected of groove steel flange；
The sealing gasket is placed between the boss and the groove, for sealing.
Further, the stainless steel outer tube is 06Cr19Ni10 stainless steel tube.
Further, the high-temperature resistant coating is the thick ZS-1 high-temperature resistant coating of 10mm, 1500 degrees Celsius of inner wall temperature
When, outer layer stainless steel tube temperature is less than 130 degrees Celsius.
Further, the silicon carbide ceramics inner tube is fired using equal pressing equipment and is formed, more than 2100 DEG C of heatproof.
Further, being connected by against the oblique of HTHP clean air flow direction between the silicon carbide ceramics inner tube
Slope bridging arrangement, 13 ° of slope inclination angle, inclination angle original position is away from the silicon carbide ceramics inner tube wall 3mm, and leaves between 0.5mm
Gap.
The silicon carbide ceramic that interior conduit of the present invention is fired using static pressure equipment, its toughness and intensity are high, and heatproof can
Reach 2100 DEG C, each section of silicon carbide ceramic junction using inverse air-flow to slope overlap joint, can effectively meet the heat expansion of pipeline
Shrinkage, outer tube adopt 304 stainless steel tubes, and its inwall scribbles ZS-1 high-temperature resistant coating；Stainless steel junction is connected using flange seal
Connect, realize, in 30 seconds, the high temperature pure air of temperature 1800K in storage heater, pressure 5MPa is transported to the high-temperature valve at 10 meters
Entrance, and with heat shock resistance load higher, have dilatation amount the features such as.
Description of the drawings
Fig. 1 is present configuration elevation cross-sectional view；
Fig. 2 is present configuration side cutaway view；
Fig. 3 is inner tube attachment structure schematic diagram of the present invention；
Fig. 4 is attachment structure schematic diagram of the present invention；
Fig. 5 is application schematic diagram of the present invention.
1-- stainless steel outer tube, 2-- high-temperature resistant coating layer, 3-- silicon carbide ceramics inner tube, 4-- steel flange, 41-- are convex
Origuchi in platform steel flange, 42-- groove steel flange, 43-- coupling bar, 44-- sealing gasket, 411-- boss, 412--,
Origuchi in 413 bucking ladders, pad (414), 421-- groove 422--, 423 bucking ladders, 424 pads, 51-- storage heater,
52-- accumulator outlet flange, 53-- is high temperature resistant expansion joint, 54-- HTHP air duct conveyance conduit, 55-- high-temperature valve enter
Mouth flange, 56-- enter high-temperature valve, 57-- tube support arrangement；
Specific embodiment
Embodiment 1：Referring to Fig. 1 to Fig. 5, a kind of HTHP air long-distance sand transport pipeline, including：Stainless steel outer tube 1,
High-temperature resistant coating layer 2, silicon carbide ceramics inner tube 3, steel flange 4；
Outermost layer of the stainless steel outer tube 1 in HTHP air long-distance sand transport pipeline, described resistance to for protecting
The high-temperature coating bed of material 2 and the silicon carbide ceramics inner tube 3 are not affected by the external environment, and realize remote erection；Outside the stainless steel
Pipe 1 is 06Cr19Ni10 stainless steel tube；
The high-temperature resistant coating layer 2 is in layer adhered to by high-temperature resistant coating and is deposited on 1 inwall of stainless steel outer tube,
And formed after drying；The high-temperature resistant coating layer 2 is uniformly distributed and is filled in the stainless steel outer tube 1 with carborundum pottery
Between porcelain inner tube 3；The high-temperature resistant coating layer 2 is used for reducing the heat of the silicon carbide ceramics inner tube 3 to outside the stainless steel
The conduction of pipe 1；The high-temperature resistant coating 2 is the thick ZS-1 high-temperature resistant coating of 10mm, and during 1500 degrees Celsius of inner wall temperature, outer layer is not
Rust temperature of steel pipe is less than 130 degrees Celsius；
The silicon carbide ceramics inner tube 3 is used for carrying high-temperature high-pressure air flow, reduces high-temperature high-pressure air flow to described high temperature resistant
The conduction of dope layer 2；The slope for being connected by inverse HTHP clean air flow direction between the silicon carbide ceramics inner tube 3 is taken
Access node structure, 13 ° of slope inclination angle, inclination angle original position is away from 3 inwall 3mm of the silicon carbide ceramics inner tube, and leaves 0.5mm gap；
The silicon carbide ceramics inner tube 3 is fired using equal pressing equipment and is formed, more than 2100 DEG C of heatproof；
The steel flange 4 is used for the connection between the stainless steel outer tube 1；The steel flange 4 includes：Boss
Steel flange 41, groove steel flange 42, coupling bar 43, sealing gasket 44；
Boss steel flange 41 includes：For the boss 411 with 42 clamping of groove steel flange, for filling
High-temperature resistant coating realizes the interior Origuchi 412 of the high-temperature resistant coating layer 2 connection, for overlapping with 1 scalariform of stainless steel outer tube
Bucking ladder 413, for the pad 414 with 1 surface soldered of stainless steel outer tube；
Groove steel flange 42 includes：For the groove 421 with 41 clamping of boss steel flange, for filling
High-temperature resistant coating realizes the interior Origuchi 422 of the high-temperature resistant coating layer 2 connection, for overlapping with 1 scalariform of stainless steel outer tube
Bucking ladder 423, for the pad 424 with 1 surface soldered of stainless steel outer tube；
The coupling bar 43 is used for boss steel flange 41, being tightly connected of groove steel flange 42；
The sealing gasket 44 is placed between the boss 411 and the groove 421, for sealing；
In actual applications, with storage heater 51, accumulator outlet flange 52, high temperature resistant expansion joint 53, high temperature valve inlet method
Blue 55, high-temperature valve 56, tube support arrangement 57 together, are realized by temperature 1800K in storage heater, the height of pressure 5MPa in 30 seconds
Warm pure air is transported to the high temperature valve inlet at 10 meters.
Claims (5)
1. a kind of HTHP air long-distance sand transport pipeline, it is characterised in that include：Stainless steel outer tube (1), high-temperature resistant coating
Layer (2), silicon carbide ceramics inner tube (3), steel flange (4)；
The outermost layer of described stainless steel outer tube (1) in HTHP air long-distance sand transport pipeline, for protecting the resistance to height
Thermo-paint layer (2) and the silicon carbide ceramics inner tube (3) are not affected by the external environment, and realize remote erection；
High-temperature resistant coating layer (2) are in layer adhered to by high-temperature resistant coating and are deposited on stainless steel outer tube (1) inwall,
And formed after drying；High-temperature resistant coating layer (2) are uniformly distributed and are filled in stainless steel outer tube (1) and the carbonization
Between silicon ceramic inner pipe (3)；Described high-temperature resistant coating layer (2) are used for reducing the heat of silicon carbide ceramics inner tube (3) to institute
State the conduction of stainless steel outer tube (1)；
Described silicon carbide ceramics inner tube (3) are used for carrying high-temperature high-pressure air flow, reduce high-temperature high-pressure air flow to the high temperature resistant painting
The conduction of the bed of material (2)；
Described steel flange (4) are used for the connection between stainless steel outer tube (1)；Steel flange (4) include：Convex
Platform steel flange (41), groove steel flange (42), coupling bar (43), sealing gasket (44)；
Boss steel flange (41) includes：For the boss (411) with groove steel flange (42) clamping, for filling out
Fill high-temperature resistant coating and realize the interior Origuchi (412) that high-temperature resistant coating layer (2) connect, for stainless steel outer tube (1)
The bucking ladder (413) of scalariform overlap joint, for the pad (414) with stainless steel outer tube (1) surface soldered；
Groove steel flange (42) includes：For the groove (421) with boss steel flange (41) clamping, for filling out
Fill high-temperature resistant coating and realize the interior Origuchi (422) that high-temperature resistant coating layer (2) connect, for stainless steel outer tube (1)
The bucking ladder (423) of scalariform overlap joint, for the pad (424) with stainless steel outer tube (1) surface soldered；
Described coupling bar (43) are used for boss steel flange (41), being tightly connected of groove steel flange (42)；
Sealing gasket (44) are placed between the boss (411) and the groove (421), for sealing.
2. a kind of HTHP air long-distance sand transport pipeline as claimed in claim 1, it is characterised in that：Outside the stainless steel
Pipe (1) is 06Cr19Ni10 stainless steel tube.
3. a kind of HTHP air long-distance sand transport pipeline as claimed in claim 1, it is characterised in that：The high temperature resistant painting
Material (2) is the thick ZS-1 high-temperature resistant coating of 10mm, and during 1500 degrees Celsius of inner wall temperature, outer layer stainless steel tube temperature is taken the photograph less than 130
Family name's degree.
4. a kind of HTHP air long-distance sand transport pipeline as claimed in claim 1, it is characterised in that：The carborundum pottery
Porcelain inner tube (3) is fired using equal pressing equipment and is formed, more than 2100 DEG C of heatproof.
5. a kind of HTHP air long-distance sand transport pipeline as claimed in claim 1, it is characterised in that：The carborundum pottery
The slope bridging arrangement for being connected by inverse HTHP clean air flow direction between porcelain inner tube (3), 13 ° of slope inclination angle, inclination angle
Original position is away from silicon carbide ceramics inner tube (3) inwall 3mm, and leaves 0.5mm gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029561.XA CN106481898A (en) | 2016-11-15 | 2016-11-15 | A kind of HTHP air long-distance sand transport pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029561.XA CN106481898A (en) | 2016-11-15 | 2016-11-15 | A kind of HTHP air long-distance sand transport pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106481898A true CN106481898A (en) | 2017-03-08 |
Family
ID=58274146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029561.XA Pending CN106481898A (en) | 2016-11-15 | 2016-11-15 | A kind of HTHP air long-distance sand transport pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106481898A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578707A (en) * | 2017-09-28 | 2019-04-05 | 湖南杉杉新能源有限公司 | Pipeline and preparation method thereof for the conveying of lithium electricity positive electrode |
| CN109838639A (en) * | 2019-04-01 | 2019-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water cooling expansion joint suitable for high-temperature pipe connection |
| CN113294606A (en) * | 2021-06-27 | 2021-08-24 | 李学田 | Protective device for petroleum pipeline joint long in service life |
| CN114198574A (en) * | 2021-11-03 | 2022-03-18 | 华能核能技术研究院有限公司 | Flange, connecting structure thereof and hot gas guide pipe of high-temperature gas cooled reactor comprising flange |
| CN114526552A (en) * | 2021-12-29 | 2022-05-24 | 无锡恒业电热电器有限公司 | Hypersonic flow field heating device and heating method |
| CN117329361A (en) * | 2023-12-01 | 2024-01-02 | 中国空气动力研究与发展中心超高速空气动力研究所 | High-temperature high-pressure section sealing structure for wind tunnel, and mounting method and test method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4619470A (en) * | 1984-02-20 | 1986-10-28 | Georg Fischer Aktiengesellschaft | Flange connection assembly for fiber-reinforced plastic pipe members |
| US5421624A (en) * | 1993-02-10 | 1995-06-06 | Hayashi; Toshiomi | Flange joint assembly |
| CN201348106Y (en) * | 2009-01-08 | 2009-11-18 | 总装备部工程设计研究总院 | Vacuum heat insulation flanged joint for low temperature pipeline |
| CN201818916U (en) * | 2010-08-31 | 2011-05-04 | 林北 | Novel plastic/rubber-lined wear-resistant ceramic composite desulfurization pipe |
| CN102200204A (en) * | 2011-04-06 | 2011-09-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Novel high-temperature pipe and manufacturing process thereof |
| CN202868141U (en) * | 2012-06-11 | 2013-04-10 | 天津市祥威传动设备有限公司 | Detachable flange connection structure for oil delivery pipes of industrial reducer |
| CN203703397U (en) * | 2014-01-08 | 2014-07-09 | 常州瑞源钢管有限公司 | Refractory ceramic seamless steel tube |
| CN204358275U (en) * | 2014-09-24 | 2015-05-27 | 常熟市兰达兰基钢管附件有限公司 | A kind of refractory metal pipeline |
-
2016
- 2016-11-15 CN CN201611029561.XA patent/CN106481898A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4619470A (en) * | 1984-02-20 | 1986-10-28 | Georg Fischer Aktiengesellschaft | Flange connection assembly for fiber-reinforced plastic pipe members |
| US5421624A (en) * | 1993-02-10 | 1995-06-06 | Hayashi; Toshiomi | Flange joint assembly |
| CN201348106Y (en) * | 2009-01-08 | 2009-11-18 | 总装备部工程设计研究总院 | Vacuum heat insulation flanged joint for low temperature pipeline |
| CN201818916U (en) * | 2010-08-31 | 2011-05-04 | 林北 | Novel plastic/rubber-lined wear-resistant ceramic composite desulfurization pipe |
| CN102200204A (en) * | 2011-04-06 | 2011-09-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Novel high-temperature pipe and manufacturing process thereof |
| CN202868141U (en) * | 2012-06-11 | 2013-04-10 | 天津市祥威传动设备有限公司 | Detachable flange connection structure for oil delivery pipes of industrial reducer |
| CN203703397U (en) * | 2014-01-08 | 2014-07-09 | 常州瑞源钢管有限公司 | Refractory ceramic seamless steel tube |
| CN204358275U (en) * | 2014-09-24 | 2015-05-27 | 常熟市兰达兰基钢管附件有限公司 | A kind of refractory metal pipeline |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578707A (en) * | 2017-09-28 | 2019-04-05 | 湖南杉杉新能源有限公司 | Pipeline and preparation method thereof for the conveying of lithium electricity positive electrode |
| CN109838639A (en) * | 2019-04-01 | 2019-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water cooling expansion joint suitable for high-temperature pipe connection |
| CN113294606A (en) * | 2021-06-27 | 2021-08-24 | 李学田 | Protective device for petroleum pipeline joint long in service life |
| CN114198574A (en) * | 2021-11-03 | 2022-03-18 | 华能核能技术研究院有限公司 | Flange, connecting structure thereof and hot gas guide pipe of high-temperature gas cooled reactor comprising flange |
| CN114526552A (en) * | 2021-12-29 | 2022-05-24 | 无锡恒业电热电器有限公司 | Hypersonic flow field heating device and heating method |
| CN114526552B (en) * | 2021-12-29 | 2023-08-22 | 无锡恒业电热电器有限公司 | Hypersonic flow field heating device and heating method |
| CN117329361A (en) * | 2023-12-01 | 2024-01-02 | 中国空气动力研究与发展中心超高速空气动力研究所 | High-temperature high-pressure section sealing structure for wind tunnel, and mounting method and test method thereof |
| CN117329361B (en) * | 2023-12-01 | 2024-01-30 | 中国空气动力研究与发展中心超高速空气动力研究所 | High-temperature high-pressure section sealing structure for wind tunnel, and mounting method and test method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106481898A (en) | A kind of HTHP air long-distance sand transport pipeline | |
| CN201106735Y (en) | Trilaminate polythene antisepsis pipe of solvent-free epoxy-paint patching mouth | |
| CN207540348U (en) | A kind of full-automatic tunnel nitride stove | |
| CN108020081A (en) | A kind of superhigh temperature nitrogenizes continuous tunnel stove | |
| CN108644524A (en) | A kind of expansion joint compensation device of high temperature high voltage resistant air | |
| CN101806382A (en) | Metal heat-preserving delivery hose | |
| CN111963785A (en) | Composite heat insulation pipeline | |
| CN105972339A (en) | Preheating and solidification-preventing conveying pipeline structure | |
| CN205244716U (en) | Heat -resisting type non -metallic expansion joint | |
| CN107966262A (en) | A kind of high-temperature vacuum wind tunnel test cabin and diffuser overall structure and slip compensation method for thermal with slip thermal compensation function | |
| CN105418074A (en) | Carbon-ceramic thermocouple protection tube and method for manufacturing same | |
| WO2021189564A1 (en) | Vacuum degreasing and sintering furnace with dual internal pumping lower pipes | |
| CN101315182A (en) | Sealing method for combination part of pipe and boiler body | |
| CN106944618A (en) | A kind of powder metallurgy push rod type sintering furnace | |
| CN106865479A (en) | A kind of groove tank car condenses heavy oil heating oil filling riser plumbing arm mechanism | |
| CN206449344U (en) | A kind of non-metal compensator | |
| CN204051272U (en) | A kind of high temperature cloth exhaust dust device with bag | |
| CN108036651B (en) | Glass furnace fume export structure | |
| CN208025001U (en) | A kind of blast furnace axial expansion section | |
| CN207892847U (en) | The static seal device of vertical long pump for liquid salts | |
| CN206458933U (en) | Petroleum pipeline is incubated pipe collar | |
| CN206449895U (en) | A kind of new type solar energy air collector header | |
| CN214901349U (en) | Heater for heating low-liquid-level aluminum water | |
| CN204986953U (en) | Steam silencer prevent expend with heat and contract with cold structure | |
| CN204300615U (en) | A kind of long distance vacuum insulation conveyance conduit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170308 |
|
| RJ01 | Rejection of invention patent application after publication |