CN108036152A - The conveyance conduit of efficient liquefied natural gas - Google Patents
The conveyance conduit of efficient liquefied natural gas Download PDFInfo
- Publication number
- CN108036152A CN108036152A CN201711295205.7A CN201711295205A CN108036152A CN 108036152 A CN108036152 A CN 108036152A CN 201711295205 A CN201711295205 A CN 201711295205A CN 108036152 A CN108036152 A CN 108036152A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- pipeline body
- liquefied natural
- insulating layer
- filtering net
- 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
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 230000018044 dehydration Effects 0.000 claims abstract description 36
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 208000005156 Dehydration Diseases 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000009413 insulation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 31
- 239000007789 gas Substances 0.000 description 20
- 239000003345 natural gas Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses the conveyance conduit of efficient liquefied natural gas, including pipeline body, the filtering net cylinder coaxial with pipeline body is equipped with pipeline body, filtering net cylinder is connected with pipeline body by multiple connecting rods, the inner wall of pipeline body is equipped with multiple dehydration columns, and multiple dehydration through holes are alongst equipped with successively in dehydration column；It is arranged with insulating layer outside pipeline body, is equipped with multiple annular grooves successively along pipeline body axis direction on insulating layer, the rubber ring set of indention is provided with annular groove, insulating layer is interior to be equipped with cavity, and heating tube is provided with cavity.The transport pipeline of the present invention, not only there is good heat insulation effect, can be that transport pipeline surrounding is uniformly heated at the same time, so as to ensure that temperature in transport pipeline does not interfere with the normal transport of liquefied natural gas, impurity therein can be filtered during liquefied natural gas transport at the same time, additionally it is possible to tentatively the moisture in liquefied natural gas is removed.
Description
Technical field
The present invention relates to a kind of transport pipeline, and in particular to the conveyance conduit of efficient liquefied natural gas.
Background technology
Natural gas refers to a naturally occurring tangential gas in nature, including in atmospheric thermodynamics, hydrosphere and lithosphere it is various from
The gas (including casing-head gas, reservoir gas, gas of mud volcano, coal bed gas and biology generation gas etc.) that right process is formed.And people are long-term
Since general " natural gas " definition, be the narrow sense definition from energy point of view, refer to naturally contain the hydrocarbon in stratum
The mixture of class and non-hydrocarbon gases.In petroleum geology, casing-head gas and reservoir gas are often referred to.It is formed based on hydro carbons,
And contain non-hydrocarbon gas.Natural gas is contained in underground porous gap rock stratum, including casing-head gas, reservoir gas, coal bed gas, gas of mud volcano
Gas etc. is generated with biology, is also had on a small quantity for coal seam.It is high-grade fuel and industrial chemicals.It is mined natural from oil field
Gas is transported by pipeline again for the ease of transport after all compressing it into liquid.Liquified natural gas has certain glue
Degree, the poor thermal insulation property of existing natural gas transportation pipeline are very low as being easy to influence natural gas during winter in ambient temperature
Normal transport, cannot be effectively miscellaneous by these during pipeline transportation while there is many impurity in liquified natural gas
Matter is removed, it is necessary to individually carry out removal of impurities processing after transporting, and influences production efficiency.
The content of the invention
The technical problems to be solved by the invention are that liquified natural gas has certain viscosity, existing natural gas transportation pipeline
Poor thermal insulation property, in the very low normal transport as being easy to influence natural gas during winter of ambient temperature, while liquid day
There is many impurity in right gas, effectively these impurity cannot be removed during pipeline transportation, it is necessary to after transporting individually
Removal of impurities processing is carried out, influences production efficiency, and it is an object of the present invention to provide the conveyance conduit of efficient liquefied natural gas, not only has good
Heat insulation effect, while can be transport pipeline surrounding uniformly be heated, so as to ensure that temperature will not shadow in transport pipeline
The normal transport of liquefied natural gas is rung, while impurity therein can be filtered during liquefied natural gas transport, is carried
High efficiency；Special construction wherein by being set in pipe, additionally it is possible to tentatively the moisture in liquefied natural gas is removed,
Improve the purity of natural gas.
The present invention is achieved through the following technical solutions：
The conveyance conduit of efficient liquefied natural gas, including pipeline body, pipeline body are interior equipped with coaxial with pipeline body
Filtering net cylinder, be connected between the lateral wall of filtering net cylinder and the inner wall of pipeline body by multiple connecting rods, outside filtering net cylinder
Multiple dehydration columns are circumferentially equipped with the inner wall of pipeline body, dehydration column is parallel with pipeline body axis, in dehydration column
Multiple dehydration through holes are alongst equipped with successively, and dehydration through hole hangs down through the both sides of dehydration column and with pipeline body axis
Directly, it is dehydrated in through hole and is filled with water absorbing agent；One end closing one end open of filtering net cylinder, pipeline body are arranged with insulating layer outside,
Insulating layer is made using thermal insulation material, and multiple annular grooves, annular groove are equipped with successively along pipeline body axis direction on insulating layer
The rubber ring set of indention is inside provided with, cavity is equipped with insulating layer, heating tube is provided with cavity.
The transport pipeline of the present invention, not only with good heat insulation effect, while can be that transport pipeline surrounding carries out
Even heating, so that ensure that temperature in transport pipeline does not interfere with the normal transport of liquefied natural gas, while can be in liquefaction day
Impurity therein is filtered during right fate is defeated, improves production efficiency；Wherein by the special construction set in pipe, go back
Tentatively the moisture in liquefied natural gas can be removed, improve the purity of natural gas.Flowed in liquified natural gas in pipeline,
The filtering net cylinder coaxial with pipeline body is equipped with pipeline body, impurity therein can be filtered, it is stayed in filtering
In net cylinder；Insulating layer is arranged with outside pipeline body, insulating layer is made using thermal insulation material, can be to the liquid day in pipeline body
Right gas carries out good insulation, while is equipped with cavity in insulating layer, heating tube is provided with cavity, by heating tube to pipeline sheet
Body surrounding is uniformly heated, and ensures the normal transport of liquefied natural gas；On the inner wall of filtering net cylinder Outer Tube body along
Circumferencial direction is equipped with multiple dehydration columns, and dehydration column is parallel with pipeline body axis, is alongst equipped with successively in dehydration column
Multiple dehydration through holes, liquefied natural gas axially move in the flow process of pipeline, it is filtered from filtering net cylinder
Moved when out along radial direction, therefore some of liquefied natural gas can be passed through along the direction of pipeline body circumference
Through hole is dehydrated, manservant is merely able to moisture to it and removes, further when avoiding winter temperature low, and moisture is solidifying in natural gas
Knot, influences mobility；One end closing one end open of filtering net cylinder, liquefied natural gas is entered from openend, then from side wall
Flowed out in mesh, impurity has been left on the blind end and filtering net cylinder wall of filtering net cylinder；Along pipeline body on insulating layer
Axis direction is equipped with multiple annular grooves successively, and the rubber ring set of indention is provided with annular groove, and pipeline body can be risen
To protective effect.
Filtering net cylinder bottom interior wall is equipped with multiple convection-plates being bonded with filtering net cylinder inner wall, and convection-plate is along filter screen
The axis direction of cylinder is set gradually, and is equipped with connecting plate between adjacent two pieces of convection-plate tops, convection-plate on connecting plate with opening up
There are convection holes, liquefied natural gas penetrates from the convection holes on convection-plate in flow process and then again from connecting plate in convection holes
Outflow, forms a convection current in radial directions of fluid, is more conducive to filtering and dehydration.
Water absorbing agent is anhydrous cupric sulfate particle, and the two-port for being dehydrated through hole is equipped with filter membrane, and dehydrating effect is good.
The connecting rod is made using elastic material, can alleviate flowing impulse force during liquefied natural gas flowing.
The thickness of rubber ring set is more than the thickness of insulating layer, and the zigzag of rubber ring set protrudes the outside wall surface of insulating layer,
Play a protective role when being collided to insulating layer.
Compared with prior art, the present invention have the following advantages and advantages：
1st, the conveyance conduit of the efficient liquefied natural gas of the present invention, not only with good heat insulation effect, while can be
Transport pipeline surrounding is uniformly heated, so as to ensure that temperature does not interfere with normally transporting for liquefied natural gas in transport pipeline
It is defeated, while impurity therein can be filtered during liquefied natural gas transport, improve production efficiency；Wherein pass through pipe
The special construction of interior setting, additionally it is possible to tentatively removed to the moisture in liquefied natural gas, improve the purity of natural gas；
2nd, the conveyance conduit of the efficient liquefied natural gas of the present invention, filtering net cylinder bottom interior wall are equipped with multiple and filter screen
The convection-plate of cylinder inner wall fitting, convection-plate sets gradually along the axis direction of filtering net cylinder, adjacent two pieces of convection-plate tops it
Between be equipped with connecting plate, convection-plate on connecting plate with offering convection holes, and liquefied natural gas is in flow process from convection-plate
Convection holes penetrate and then and flowed out from connecting plate in convection holes, form a convection current in radial directions of fluid, more
Added with beneficial to filtering and dehydration；
3rd, the conveyance conduit of the efficient liquefied natural gas of the present invention, water absorbing agent is anhydrous cupric sulfate particle, is dehydrated through hole
Two-port is equipped with filter membrane, and dehydrating effect is good, and the connecting rod is made using elastic material, can flow process in liquefied natural gas
Middle to alleviate flowing impulse force, the thickness of rubber ring set is more than the thickness of insulating layer, and the zigzag of rubber ring set protrudes the outer of insulating layer
Wall, plays a protective role insulating layer when being collided.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in attached drawing：
1- pipeline bodies, 2- filtering net cylinders, 3- connecting rods, 4- dehydration columns, 5- insulating layers, 6- rubber ring sets, 7- dehydrations are logical
Hole, 8- convection-plates, 9- convection holes.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1, the conveyance conduit of the efficient liquefied natural gas of the present invention, including pipeline body 1, in pipeline body 1
Equipped with the filtering net cylinder 2 coaxial with pipeline body 1, by multiple between the lateral wall of filtering net cylinder 2 and the inner wall of pipeline body 1
Connecting rod 3 is connected, and is circumferentially equipped with multiple dehydration columns 4 on the inner wall of 2 Outer Tube body 1 of filtering net cylinder, dehydration column 4 and
1 axis of pipeline body is parallel, is alongst equipped with multiple dehydration through holes 7 in dehydration column 4 successively, dehydration through hole 7 is through de-
Both sides of water column 4 and vertical with 1 axis of pipeline body, are filled with water absorbing agent in dehydration through hole 7；One end closing one of filtering net cylinder
End opening, pipeline body 1 are arranged with insulating layer 5 outside, and insulating layer 5 is made using thermal insulation material, along pipeline body on insulating layer 5
1 axis direction is equipped with multiple annular grooves successively, and the rubber ring set 6 of indention is provided with annular groove, sky is equipped with insulating layer 5
Chamber, is provided with heating tube in cavity.
The transport pipeline of the present invention, not only with good heat insulation effect, while can be that transport pipeline surrounding carries out
Even heating, so that ensure that temperature in transport pipeline does not interfere with the normal transport of liquefied natural gas, while can be in liquefaction day
Impurity therein is filtered during right fate is defeated, improves production efficiency；Wherein by the special construction set in pipe, go back
Tentatively the moisture in liquefied natural gas can be removed, improve the purity of natural gas.Flowed in liquified natural gas in pipeline,
The filtering net cylinder coaxial with pipeline body is equipped with pipeline body, impurity therein can be filtered, it is stayed in filtering
In net cylinder；Insulating layer is arranged with outside pipeline body, insulating layer is made using thermal insulation material, can be to the liquid day in pipeline body
Right gas carries out good insulation, while is equipped with cavity in insulating layer, heating tube is provided with cavity, by heating tube to pipeline sheet
Body surrounding is uniformly heated, and ensures the normal transport of liquefied natural gas；On the inner wall of filtering net cylinder Outer Tube body along
Circumferencial direction is equipped with multiple dehydration columns, and dehydration column is parallel with pipeline body axis, is alongst equipped with successively in dehydration column
Multiple dehydration through holes, liquefied natural gas axially move in the flow process of pipeline, it is filtered from filtering net cylinder
Moved when out along radial direction, therefore some of liquefied natural gas can be passed through along the direction of pipeline body circumference
Through hole is dehydrated, manservant is merely able to moisture to it and removes, further when avoiding winter temperature low, and moisture is solidifying in natural gas
Knot, influences mobility；One end closing one end open of filtering net cylinder, liquefied natural gas is entered from openend, then from side wall
Flowed out in mesh, impurity has been left on the blind end and filtering net cylinder wall of filtering net cylinder；Along pipeline body on insulating layer
Axis direction is equipped with multiple annular grooves successively, and the rubber ring set of indention is provided with annular groove, and pipeline body can be risen
To protective effect.
Preferably, filtering net cylinder bottom interior wall is equipped with multiple convection-plates 8 being bonded with filtering net cylinder inner wall, convection-plate edge
The axis direction for filtering net cylinder is set gradually, and connecting plate, convection-plate and connecting plate are equipped between adjacent two pieces of convection-plate tops
On offer convection holes 9, liquefied natural gas penetrates from the convection holes on convection-plate in flow process and then again from connecting plate
Flowed out in upper convection holes, form a convection current in radial directions of fluid, be more conducive to filtering and dehydration.
Preferably, water absorbing agent is anhydrous cupric sulfate particle, and the two-port for being dehydrated through hole is equipped with filter membrane, and dehydrating effect is good.
Preferably, the connecting rod is made using elastic material, can alleviate flowing during liquefied natural gas flowing
Impulse force.
Preferably, the thickness of rubber ring set is more than the thickness of insulating layer, and the zigzag of rubber ring set protrudes the outer of insulating layer
Wall, plays a protective role insulating layer when being collided.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further
Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include
Within protection scope of the present invention.
Claims (5)
1. the conveyance conduit of efficient liquefied natural gas, it is characterised in that including pipeline body (1), be equipped with pipeline body (1)
The filtering net cylinder (2) coaxial with pipeline body (1), passes through between the lateral wall of filtering net cylinder (2) and the inner wall of pipeline body (1)
Multiple connecting rods (3) are connected, and multiple dehydration columns are circumferentially equipped with the inner wall of filtering net cylinder (2) Outer Tube body (1)
(4), dehydration column (4) is parallel with pipeline body (1) axis, and it is logical to be alongst equipped with multiple dehydrations in dehydration column (4) successively
Hole (7), dehydration through hole (7) is through the both sides of dehydration column (4) and, dehydration through hole (7) in filling vertical with pipeline body (1) axis
There is water absorbing agent；One end closing one end open of filtering net cylinder, pipeline body (1) are arranged with insulating layer (5) outside, and insulating layer (5) is adopted
It is made with thermal insulation material, multiple annular grooves is equipped with successively along pipeline body (1) axis direction on insulating layer (5), in annular groove
The rubber ring set (6) of indention is provided with, cavity is equipped with insulating layer (5), heating tube is provided with cavity.
2. the conveyance conduit of efficient liquefied natural gas according to claim 1, it is characterised in that filtering net cylinder (2) bottom
Portion's inner wall is equipped with multiple convection-plates (8) being bonded with filtering net cylinder (2) inner wall, axis of the convection-plate (8) along filtering net cylinder (2)
Line direction is set gradually, and is equipped with connecting plate between adjacent two pieces of convection-plates (8) top, convection-plate (8) on connecting plate with opening up
There are convection holes (9).
3. the conveyance conduit of the efficient liquefied natural gas according to claim, it is characterised in that water absorbing agent is anhydrous sulphur
Sour copper particle, the two-port of dehydration through hole (7) are equipped with filter membrane.
4. the conveyance conduit of efficient liquefied natural gas according to claim 1, it is characterised in that the connecting rod (3)
It is made using elastic material.
5. the conveyance conduit of efficient liquefied natural gas according to claim 1, it is characterised in that rubber ring set (6)
Thickness is more than the thickness of insulating layer (5), the outside wall surface of the zigzag protrusion insulating layer (5) of rubber ring set (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295205.7A CN108036152A (en) | 2017-12-08 | 2017-12-08 | The conveyance conduit of efficient liquefied natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295205.7A CN108036152A (en) | 2017-12-08 | 2017-12-08 | The conveyance conduit of efficient liquefied natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036152A true CN108036152A (en) | 2018-05-15 |
Family
ID=62101500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295205.7A Pending CN108036152A (en) | 2017-12-08 | 2017-12-08 | The conveyance conduit of efficient liquefied natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036152A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2748545A1 (en) * | 1996-05-09 | 1997-11-14 | Total Sa | Thermal isolated conduit for transfer of liquid natural gas |
| CN102641616A (en) * | 2012-04-28 | 2012-08-22 | 新乡平原航空液压设备有限公司 | Filtering pipe and fluid pipeline using same |
| CN104676135A (en) * | 2013-12-02 | 2015-06-03 | 天津市芙烈浓食品有限公司 | Liquid state chocolate delivery pipe |
| CN204533866U (en) * | 2015-04-14 | 2015-08-05 | 朱海英 | A kind of oil-gas gathering and transferring pipeline device |
| CN206478388U (en) * | 2016-12-30 | 2017-09-08 | 天津百代欣贸机电设备有限公司 | A kind of high-strength rubber is incubated straight tube |
| CN107384493A (en) * | 2017-08-21 | 2017-11-24 | 江苏卓达信息科技有限公司 | The dehydration device of liquefied natural gas (LNG) production |
| CN208169827U (en) * | 2017-12-08 | 2018-11-30 | 四川科比科油气工程有限公司 | The high efficient liquefied natural gas conveyance conduit of stability |
-
2017
- 2017-12-08 CN CN201711295205.7A patent/CN108036152A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2748545A1 (en) * | 1996-05-09 | 1997-11-14 | Total Sa | Thermal isolated conduit for transfer of liquid natural gas |
| CN102641616A (en) * | 2012-04-28 | 2012-08-22 | 新乡平原航空液压设备有限公司 | Filtering pipe and fluid pipeline using same |
| CN104676135A (en) * | 2013-12-02 | 2015-06-03 | 天津市芙烈浓食品有限公司 | Liquid state chocolate delivery pipe |
| CN204533866U (en) * | 2015-04-14 | 2015-08-05 | 朱海英 | A kind of oil-gas gathering and transferring pipeline device |
| CN206478388U (en) * | 2016-12-30 | 2017-09-08 | 天津百代欣贸机电设备有限公司 | A kind of high-strength rubber is incubated straight tube |
| CN107384493A (en) * | 2017-08-21 | 2017-11-24 | 江苏卓达信息科技有限公司 | The dehydration device of liquefied natural gas (LNG) production |
| CN208169827U (en) * | 2017-12-08 | 2018-11-30 | 四川科比科油气工程有限公司 | The high efficient liquefied natural gas conveyance conduit of stability |
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| PB01 | 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: 20180515 |
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| RJ01 | Rejection of invention patent application after publication |