CN106870934A - A kind of liquefied natural gas liquid adding arm - Google Patents
A kind of liquefied natural gas liquid adding arm Download PDFInfo
- Publication number
- CN106870934A CN106870934A CN201710118505.1A CN201710118505A CN106870934A CN 106870934 A CN106870934 A CN 106870934A CN 201710118505 A CN201710118505 A CN 201710118505A CN 106870934 A CN106870934 A CN 106870934A
- Authority
- CN
- China
- Prior art keywords
- arm
- pipe
- cryogenic swivel
- low temperature
- core
- 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
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
- F17C2270/0178—Cars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to liquefied natural gas liquid feeding apparatus field, and in particular to a kind of liquefied natural gas liquid adding arm.Technical scheme is as follows：A kind of liquefied natural gas liquid adding arm, including column support, inlet union, revoliving arm, gyroscopic pendulum swing arm, rotary oscillation turning arm, liquid feeding rifle and Spring balancer.The liquefied natural gas liquid adding arm that the present invention is provided, increased the free degree of liquid feeding rifle, and the adjustable scope in position is increased, and alleviates the labour intensity of operating personnel, safe and reliable.
Description
Technical field
The present invention relates to liquefied natural gas liquid feeding apparatus field, and in particular to a kind of liquefied natural gas liquid adding arm.
Background technology
Natural gas, because, for the thorough, environmental pollution that burns is few, clean environment firendly, is a kind of green energy resource, so natural gas
Using being developed rapidly, the vehicle especially with liquefied natural gas is also more and more, and the quantity of liquid filling station is continuous
Increase.Because liquefied natural gas is low temperature, inflammable and explosive dangerous liquid, for liquefied natural gas facility security just
Propose requirement higher.Currently, it is used to connect liquid filler in liquefied natural gas liquid feeding equipment with liquid petroleum gas vehicle
Equipment is all to use liquid feeding flexible pipe, and its shortcoming is：
1st, flexible pipe is low with respect to the bearing capacity of steel pipe, booster easily occurs, and joint drags and pulls out, reveals and cause frostbite operator
The security incidents such as member, burning, blast, environmental pollution, generate unsafe factor；
2nd, because flexible pipe is connected with pipe joint by the way of withholding, so both easy pull-off, compressive resistance impact energy
Power is poor；
3rd, fill flexible pipe in use, easily produce electrostatic, there is the danger for producing fire and blast；
4th, operating personnel pack up flexible pipe after decontroling and use when liquefied natural gas being filled, before use device, will also in tow 5 meters
There is certain hardness and weight the position of flexible pipe how long adjustment liquid feeding rifle to be connected with vehicle due to filling flexible pipe, operates
It is dumb, increased the labour intensity of operating personnel；
5th, in use, due to needing frequent folding and unfolding to fill flexible pipe, the position along with parking is not also fixed, so filling
Flexible pipe is often pulled and hauled a man on the ground, produces friction with ground so that abrasion；
6th, fill flexible pipe in use, tiling is dilatory on the ground, especially packed up with rear forgetting, easily injured by a crashing object and
Rolled bad by vehicle；
7th, fill flexible pipe when in use, freezed by internal liquefied natural gas, corroded and outside wind, Exposure to Sunlight, drenched with rain
Collective effect, easy aging, short life.
The content of the invention
The present invention provides a kind of liquefied natural gas liquid adding arm, increased the free degree of liquid feeding rifle, the adjustable scope in position
Increase, alleviate the labour intensity of operating personnel, it is safe and reliable.
Technical scheme is as follows：
A kind of liquefied natural gas liquid adding arm, including the rotation of column support, inlet union, revoliving arm, gyroscopic pendulum swing arm, rotary oscillation
Pivoted arm, liquid feeding rifle and Spring balancer；
The revoliving arm include lower fixed frame, upper holder, standpipe axle, revoliving arm pipe and bearing diagonal, the standpipe axle, return
Pivoted arm pipe and bearing diagonal composition triangle rock-steady structure, the standpipe axle are arranged on described vertical by lower fixed frame and upper holder
On pylon, the standpipe axle is made up of loose joint outer Taper Pipe, cryogenic swivel one, steel pipe and T junction, the revoliving arm pipe
Tail end is with right-angle elbow pipe one straight up；The inlet union is arranged on the outer Taper Pipe of the loose joint；
The gyroscopic pendulum swing arm includes cryogenic swivel two, 90 ° of elbows one, cryogenic swivel three and gyroscopic pendulum swing arms
Pipe, two, 90 ° of elbows one of cryogenic swivel, cryogenic swivel three and gyroscopic pendulum swing arm pipe are connected in turn, gyroscopic pendulum
The tail end of swing arm pipe is with right-angle elbow pipe two straight up；Cryogenic swivel two links together with right-angle elbow pipe one, institute
Spring balancer is stated to be arranged on the gyroscopic pendulum swing arm；
The rotary oscillation turning arm includes four, 90 ° of elbows two of cryogenic swivel, five, 90 ° of elbows of cryogenic swivel
3rd, cryogenic swivel six and rotary oscillation turning arm pipe, four, 90 ° of elbows two of cryogenic swivel, cryogenic swivel five,
90 ° of elbows three, cryogenic swivel six and rotary oscillation turning arm pipes are connected in turn, the rotary oscillation turning arm pipe
It is 45 ° of bend pipes；Cryogenic swivel four links together with right-angle elbow pipe two, and the liquid feeding rifle revolves installed in the rotary oscillation
The termination of pivoted arm.
Described liquefied natural gas liquid adding arm, wherein cryogenic swivel one, cryogenic swivel two, cryogenic swivel
3rd, cryogenic swivel four, cryogenic swivel five and cryogenic swivel six include flange gland, overcoat and core, described
Core is arranged in the overcoat, together with the overcoat is bolted with the flange gland；The core with it is described
Low temperature resistant bearing is provided between overcoat, is provided with the lower cavity between low temperature resistant bearing, the core and the overcoat a pair
Half-round clamping ring and snap ring positioning sleeve, the upper cavity between low temperature resistant bearing, the core, the overcoat and the flange gland
Inside it is provided with end face to hermetically sealed case, low temperature seal circle one, interior is provided with the cavity between the core and the flange gland
Sealing reinforcing sleeve and low temperature seal circle two, low temperature seal circle one are adjacent in end face and are set to hermetically sealed case, interior sealing reinforcing sleeve patch
Tight low temperature seal circle one is set, and low temperature seal circle two is adjacent to the setting of interior sealing reinforcing sleeve；Stream is set in the flange gland and core
Body passage, the flange gland and core are used to be respectively welded two fluid circuits.
Described liquefied natural gas liquid adding arm, wherein cryogenic swivel one, cryogenic swivel two, cryogenic swivel
3rd, between the overcoat of cryogenic swivel four, cryogenic swivel five and cryogenic swivel six and the flange gland
Also set up O-shaped rubber seal, be additionally provided between the core and the overcoat axle revolution square ring, the bolt with it is described
Spring washer is set between flange gland.
Beneficial effects of the present invention are：
1st, in the present invention, the steel pipe of standpipe axle, horizontal arm pipe, gyroscopic pendulum swing arm pipe and rotary oscillation turning arm pipe are all not
Rust steel seamless steel tube is made, and pipe-line system is connected into by the cryogenic swivel and elbow of hollow-core construction, and fluid media (medium) can be
Pass through in pipe-line system, liquid filler and liquid petroleum gas vehicle can be connected with this pipe-line system.
2nd, in the present invention, revoliving arm in the horizontal plane can be around the revolution of the common axis where cryogenic swivel one；Revolution
Swing arm pipe may be implemented in left and right revolution in horizontal plane by cryogenic swivel two, again can be real by cryogenic swivel three
Swung up and down in present perpendicular；Rotary oscillation turning arm may be implemented in horizontal plane by cryogenic swivel four and return
Turn, can realize being swung in perpendicular again by cryogenic swivel five, revolution can also be realized by cryogenic swivel six
45 ° of bend pipes of swing rotary arm pipe are around root axis circular-rotation itself；It is achieved thereby that universal fill.
3rd, liquefied natural gas liquid adding arm of the invention is with respect to liquid feeding flexible pipe high pressure, solid, long lifespan, safe and reliable, energy
Effectively prevent from booster, joint from dragging pull out, reveal and cause the accident of frostbite operating personnel, combustion explosion, fire to occur.The present invention is used
Steel framework structure, is fixed on ground by column support, and all of weight is all undertaken by column support, is held without operating personnel
Load, alleviates the labour intensity of operating personnel, reduces liquefied natural gas liquid adding arm use cost.
Brief description of the drawings
Fig. 1 is liquefied natural gas liquid adding arm front view；
Fig. 2 is liquefied natural gas liquid adding arm top view；
Fig. 3 is standpipe axle construction schematic diagram；
Fig. 4 is cryogenic swivel one, cryogenic swivel two, cryogenic swivel three, cryogenic swivel four, low temperature
Swivel joint five and the structural representation of cryogenic swivel six.
Specific embodiment
As shown in Figure 1, 2, a kind of liquefied natural gas liquid adding arm, including column support 1, inlet union 2, revoliving arm 3, gyroscopic pendulum
Swing arm 4, rotary oscillation turning arm 5, liquid feeding rifle 6 and Spring balancer 7；
The revoliving arm 3 includes lower fixed frame 3-1, upper holder 3-2, standpipe axle, revoliving arm pipe 3-6 and bearing diagonal 3-7,
The standpipe axle, revoliving arm pipe 3-6 and bearing diagonal 3-7 composition triangle rock-steady structure, the standpipe axle pass through lower fixed frame 3-1
It is arranged on the column support 1 with upper holder 3-2；As shown in figure 3, the standpipe axle is by the outer Taper Pipe 3-8 of loose joint, low-temperature rotary
The 3-5 of joint one, steel pipe 3-3 and T junction 3-4 are welded be made successively；The tail end of the revoliving arm pipe 3-6 is carried straight up
Right-angle elbow pipe one；The inlet union 2 is arranged on the outer Taper Pipe 3-8 of the loose joint；
The gyroscopic pendulum swing arm 4 include the 4-1 of cryogenic swivel two, 90 ° of 4-2 of elbow one, the 4-3 of cryogenic swivel three and
Gyroscopic pendulum swing arm pipe 4-4, the 4-1 of cryogenic swivel two, 90 ° of 4-2 of elbow one, the 4-3 of cryogenic swivel three and gyroscopic pendulum swing arms
Pipe 4-4 is connected in turn, and the tail end of gyroscopic pendulum swing arm pipe 4-4 is with right-angle elbow pipe two straight up；Low-temperature rotary connects
First two 4-1 is linked together with right-angle elbow pipe one, and the Spring balancer 7 is arranged on the gyroscopic pendulum swing arm 4；
The rotary oscillation turning arm 5 includes the 5-1 of cryogenic swivel four, 90 ° of 5-2 of elbow two, cryogenic swivels five
5-3,90 ° of 5-4 of elbow three, the 5-5 of cryogenic swivel six and rotary oscillation turning arm pipe 5-6, the 5-1 of cryogenic swivel four, 90 °
The 5-2 of elbow two, the 5-3 of cryogenic swivel five, 90 ° of 5-4 of elbow three, the 5-5 of cryogenic swivel six and rotary oscillation turning arm pipe
5-6 is connected in turn, and the rotary oscillation turning arm pipe 5-6 is 45 ° of bend pipes；The 5-1 of cryogenic swivel four and quarter bend
Pipe two links together, and the liquid feeding rifle 6 is arranged on the termination of the rotary oscillation turning arm 5-6.
As shown in figure 4, cryogenic swivel one, cryogenic swivel two, cryogenic swivel three, cryogenic swivel
4th, cryogenic swivel five and cryogenic swivel six include flange gland 114, overcoat 103 and core 101, the core 101
It is arranged in the overcoat 103, the overcoat 103 is linked together with the flange gland 114 by bolt 113；Described turn
Two low temperature resistant bearings 106 are provided between core 101 and the overcoat 103, low temperature resistant bearing 106 is manufactured by stainless steel；It is low temperature resistant
A pair of half-round clamping rings 104 and snap ring positioning are provided with lower cavity between bearing 106, the core 101 and the overcoat 103
Set 105, in the upper cavity between low temperature resistant bearing 106, the core 101, the overcoat 103 and the flange gland 114
It is provided with end face to hermetically sealed case 107, low temperature seal is provided with the cavity between the core 101 and the flange gland 114
One 109, interior sealing reinforcing sleeve 108 and low temperature seal circle 2 110 are enclosed, low temperature seal circle 1 is adjacent in end face to hermetically sealed case
107 are set, and interior sealing reinforcing sleeve 108 is adjacent to the setting of low temperature seal circle 1, and low temperature seal circle 2 110 is adjacent to interior sealing reinforcement
Set 108 is set；Fluid passage is set in the flange gland 114 and core 101, the flange gland 114 and core 101 are used to divide
Han Jie not two fluid circuits；O-shaped rubber seal 111 is also set up between the overcoat 103 and the flange gland 114；Institute
State and axle revolution square ring 102 is additionally provided between core 101 and the overcoat 103；The bolt 113 and the flange gland
Spring washer 112 is set between 114.
Claims (3)
1. a kind of liquefied natural gas liquid adding arm, it is characterised in that including column support, inlet union, revoliving arm, gyroscopic pendulum swing arm,
Rotary oscillation turning arm, liquid feeding rifle and Spring balancer；
The revoliving arm includes lower fixed frame, upper holder, standpipe axle, revoliving arm pipe and bearing diagonal, the standpipe axle, revoliving arm
Pipe and bearing diagonal constitute triangle rock-steady structure, and the standpipe axle is arranged on the column support by lower fixed frame and upper holder
On, the standpipe axle is made up of loose joint outer Taper Pipe, cryogenic swivel one, steel pipe and T junction, the tail end of the revoliving arm pipe
With right-angle elbow pipe one straight up；The inlet union is arranged on the outer Taper Pipe of the loose joint；
The gyroscopic pendulum swing arm includes two, 90 ° of elbows one of cryogenic swivel, cryogenic swivel three and gyroscopic pendulum swing arm pipe,
Two, 90 ° of elbows one of cryogenic swivel, cryogenic swivel three and gyroscopic pendulum swing arm pipe are connected in turn, rotary oscillation
The tail end of arm pipe is with right-angle elbow pipe two straight up；Cryogenic swivel two links together with right-angle elbow pipe one, described
Spring balancer is arranged on the gyroscopic pendulum swing arm；
The rotary oscillation turning arm include four, 90 ° of elbows two of cryogenic swivel, five, 90 ° of elbows three of cryogenic swivel,
Cryogenic swivel six and rotary oscillation turning arm pipe, four, 90 ° of elbows two of cryogenic swivel, five, 90 ° of cryogenic swivel
Elbow three, cryogenic swivel six and rotary oscillation turning arm pipe are connected in turn, and the rotary oscillation turning arm pipe is
45 ° of bend pipes；Cryogenic swivel four links together with right-angle elbow pipe two, and the liquid feeding rifle rotates installed in the rotary oscillation
The termination of arm.
2. liquefied natural gas liquid adding arm according to claim 1, it is characterised in that cryogenic swivel one, low-temperature rotary
Joint two, cryogenic swivel three, cryogenic swivel four, cryogenic swivel five and cryogenic swivel six include flange pressure
Lid, overcoat and core, the core are arranged in the overcoat, and the overcoat is bolted one with the flange gland
Rise；Low temperature resistant bearing is provided between the core and the overcoat, between low temperature resistant bearing, the core and the overcoat under
A pair of half-round clamping rings and snap ring positioning sleeve, low temperature resistant bearing, the core, the overcoat and the flange pressure are provided with portion's cavity
It is provided with upper cavity between lid in end face to hermetically sealed case, is provided with the cavity between the core and the flange gland
Low temperature seal circle one, interior sealing reinforcing sleeve and low temperature seal circle two, low temperature seal circle one are adjacent in end face and are set to hermetically sealed case,
Interior sealing reinforcing sleeve is adjacent to the setting of low temperature seal circle one, and low temperature seal circle two is adjacent to the setting of interior sealing reinforcing sleeve；The flange pressure
Fluid passage is set in lid and core, the flange gland and core are used to be respectively welded two fluid circuits.
3. liquefied natural gas liquid adding arm according to claim 2, it is characterised in that the low temperature seal circle one and low temperature are close
Spring is provided with inside seal two, is played a supportive role；O-ring seal is also set up between the overcoat and the flange gland, it is described
Axle revolution square ring is additionally provided between core and the overcoat, spring pad is set between the bolt and the flange gland
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118505.1A CN106870934A (en) | 2017-03-01 | 2017-03-01 | A kind of liquefied natural gas liquid adding arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118505.1A CN106870934A (en) | 2017-03-01 | 2017-03-01 | A kind of liquefied natural gas liquid adding arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870934A true CN106870934A (en) | 2017-06-20 |
Family
ID=59168288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118505.1A Pending CN106870934A (en) | 2017-03-01 | 2017-03-01 | A kind of liquefied natural gas liquid adding arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870934A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224075A (en) * | 2018-04-18 | 2018-06-29 | 连云港市拓普科技发展有限公司 | LNG low temperature fluid handling arm balancers |
| CN110005956A (en) * | 2019-04-30 | 2019-07-12 | 鞍山市昱虎流体设备有限公司 | Shell split-type Anti-freezing cryogen rotary joint |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269389Y (en) * | 1996-04-18 | 1997-12-03 | 郭中富 | Liquid transport device |
| KR20100052915A (en) * | 2008-11-11 | 2010-05-20 | 삼성중공업 주식회사 | Lng transfer device |
| CN101830422A (en) * | 2010-04-21 | 2010-09-15 | 连云港远洋流体装卸设备有限公司 | Low-temperature land fluid assembly and disassembly arm |
| CN202769269U (en) * | 2012-08-31 | 2013-03-06 | 连云港佳普石化机械有限公司 | Ultralow temperature fluid loading arm |
| CN103486370A (en) * | 2013-09-30 | 2014-01-01 | 张胜虎 | Rotating joint, loading arm with rotating joint and loading equipment with loading arm |
| CN203384636U (en) * | 2013-08-08 | 2014-01-08 | 连云港振兴集团石化设备制造有限公司 | Cryogenic fluid loading and unloading equipment |
| CN103867890A (en) * | 2014-03-13 | 2014-06-18 | 江苏长隆石化装备有限公司 | LNG (liquefied natural gas) fuel adding device for inland river boat |
| CN203922714U (en) * | 2014-05-21 | 2014-11-05 | 连云港天邦科技开发有限公司 | A kind of liquid entrucking arm with New type rotating joint |
| CN204494074U (en) * | 2015-01-29 | 2015-07-22 | 朱蓬滨 | A kind of LNG liquid addition arm utilizing stainless steel double row ball swivel joint to form |
| CN206514062U (en) * | 2017-03-01 | 2017-09-22 | 鞍山市昱虎流体设备有限公司 | A kind of liquefied natural gas liquid adding arm |
-
2017
- 2017-03-01 CN CN201710118505.1A patent/CN106870934A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269389Y (en) * | 1996-04-18 | 1997-12-03 | 郭中富 | Liquid transport device |
| KR20100052915A (en) * | 2008-11-11 | 2010-05-20 | 삼성중공업 주식회사 | Lng transfer device |
| CN101830422A (en) * | 2010-04-21 | 2010-09-15 | 连云港远洋流体装卸设备有限公司 | Low-temperature land fluid assembly and disassembly arm |
| CN202769269U (en) * | 2012-08-31 | 2013-03-06 | 连云港佳普石化机械有限公司 | Ultralow temperature fluid loading arm |
| CN203384636U (en) * | 2013-08-08 | 2014-01-08 | 连云港振兴集团石化设备制造有限公司 | Cryogenic fluid loading and unloading equipment |
| CN103486370A (en) * | 2013-09-30 | 2014-01-01 | 张胜虎 | Rotating joint, loading arm with rotating joint and loading equipment with loading arm |
| CN103867890A (en) * | 2014-03-13 | 2014-06-18 | 江苏长隆石化装备有限公司 | LNG (liquefied natural gas) fuel adding device for inland river boat |
| CN203922714U (en) * | 2014-05-21 | 2014-11-05 | 连云港天邦科技开发有限公司 | A kind of liquid entrucking arm with New type rotating joint |
| CN204494074U (en) * | 2015-01-29 | 2015-07-22 | 朱蓬滨 | A kind of LNG liquid addition arm utilizing stainless steel double row ball swivel joint to form |
| CN206514062U (en) * | 2017-03-01 | 2017-09-22 | 鞍山市昱虎流体设备有限公司 | A kind of liquefied natural gas liquid adding arm |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224075A (en) * | 2018-04-18 | 2018-06-29 | 连云港市拓普科技发展有限公司 | LNG low temperature fluid handling arm balancers |
| CN108224075B (en) * | 2018-04-18 | 2024-01-09 | 连云港市拓普科技发展有限公司 | LNG low-temperature fluid loading and unloading arm balancer |
| CN110005956A (en) * | 2019-04-30 | 2019-07-12 | 鞍山市昱虎流体设备有限公司 | Shell split-type Anti-freezing cryogen rotary joint |
| CN110005956B (en) * | 2019-04-30 | 2023-12-22 | 鞍山市昱虎流体设备有限公司 | Shell split type anti-freezing low-temperature fluid rotary joint |
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