CN106838615A - A kind of device for preventing LNG samples from gasifying in advance - Google Patents
A kind of device for preventing LNG samples from gasifying in advance Download PDFInfo
- Publication number
- CN106838615A CN106838615A CN201611250929.5A CN201611250929A CN106838615A CN 106838615 A CN106838615 A CN 106838615A CN 201611250929 A CN201611250929 A CN 201611250929A CN 106838615 A CN106838615 A CN 106838615A
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- CN
- China
- Prior art keywords
- lng
- ring flange
- valve
- assemblied
- air
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of device for preventing LNG samples from gasifying in advance,Including gasifier body,BOG headers,Escaping pipe,Air inlet pipe,LNG shunt valves,Ring flange one,Ring flange two,Seal washer,Air pump,Appendix,Air valve,Valve one and valve two,LNG shunt valves are connected with air inlet pipe,Escaping pipe is connected with BOG headers,Seal washer is equipped between ring flange one and ring flange two,The design increased air-tightness of the invention,Air pump is arranged on gasifier body upside,Air pump is connected by appendix with gasifier body,Air valve is assemblied on appendix,Air pump is connected by conduit with LNG shunt valves,Valve one is assemblied on LNG shunt valves,Valve two is assemblied on BOG headers,The design achieves the recycling of natural gas,The present invention is easy to use,It is easy to operate,Air-tightness is high,It is practical.
Description
Technical field
The present invention is a kind of device for preventing LNG samples from gasifying in advance, belongs to LNG Technology field.
Background technology
Natural gas is naturally mined fuel gas in gas field, is mainly made up of methane.LNG is by normal pressure
Under gaseous natural gas be cooled to -162 DEG C, be allowed to condense into liquid.Storage and transportation space can be greatlyd save after natural gas liquefaction, and
And with calorific value it is big, performance is high the features such as, LNG is a kind of cleaning, the efficient energy.Because imported L NG contributes to energy-consuming
State realizes energy supply diversification, ensures energy security, and exporting LNG contributes to natural gas producing nation effective exploitation natural gas to provide
Source, increase foreign exchange earnings, promote national economic development, thus LNG trades just as global energy markets new focus.
Current LNG transporting equipments are not perfect, still there are many shortcomings, and LNG enters BOG headers in the prior art
When, front end valve absorbs heat, LNG cooling gasifications is produced fractionation, and LNG transporting equipments air-tightness is not enough in the prior art,
Be easily caused natural gas leaking excessive, and in the prior art in LNG transportations portion of natural gas can be stayed in gasifier body
Portion, causes substantial amounts of LNG to waste, in sum, now anxious the need for LNG transporting equipments cannot meet people in the prior art
A kind of need to prevent from the device that LNG samples gasify in advance to solve above-mentioned produced problem.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a kind of device for preventing LNG samples from gasifying in advance,
To solve the problems, such as to be proposed in above-mentioned background technology, the present invention is easy to use, and easy to operate, air-tightness is high, practical.
To achieve these goals, the present invention is to realize by the following technical solutions：One kind prevents LNG samples from shifting to an earlier date
The device of gasification, including apparatus main body, sealing mechanism and LNG recovering mechanisms, described device main body include gasifier body, text
Venturi, BOG headers, escaping pipe, air inlet pipe and LNG shunt valves, the gasifier body are hollow cylindrical structure, described
Air inlet pipe is assemblied in gasifier body left side, and the escaping pipe is assemblied in gasifier body right side, the Venturi tube dress
Gasifier tubular body right side is fitted over, the LNG shunt valves are connected with air inlet pipe, and the escaping pipe is connected with BOG headers
Connect, the sealing mechanism is provided with two, and two sealing mechanisms are respectively assembled on air inlet pipe left end and air inlet pipe right-hand member, institute
Stating sealing mechanism includes ring flange one, transparent hose, ring flange two, screwed hole and seal washer, and the ring flange one is assembled
On LNG shunt valves, the ring flange two is assemblied in air inlet pipe, and the transparent hose is wrapped in ring flange one and ring flange two
Outside, is equipped with seal washer, on the ring flange one and the right side of ring flange two between the ring flange one and ring flange two
Screwed hole is offered, the LNG recovering mechanisms include air pump, appendix, air valve, valve one and valve two, the air pump
Gasifier body upside is arranged on, the air pump is connected by appendix with gasifier body, and the air valve is assemblied in gas transmission
Guan Shang, the valve one is assemblied on LNG shunt valves, and the valve two is assemblied on BOG headers.
Further, the gasifier tubular body left part position is equipped with choke block.
Further, it is bolted between the ring flange one and ring flange two.
Further, the air pump is connected by conduit with LNG shunt valves, and fin is equipped with conduit.
Further, the ring flange one is identical with the specification of ring flange two.
Further, the Venturi tube is connected with escaping pipe, and fuel filler tube is equipped with the Venturi tube.
Beneficial effects of the present invention：A kind of device for preventing LNG samples from gasifying in advance of the invention, because the present invention with the addition of
Ring flange one, transparent hose, ring flange two, screwed hole and seal washer, the design increased air-tightness of the invention, solve
LNG transporting equipments air-tightness is not enough in the prior art, is easily caused the excessive problem of natural gas leaking.
Because the present invention with the addition of air pump, appendix, air valve, valve one and valve two, the design achieves natural gas
Recycle, solving portion of natural gas during LNG is defeated in the prior art can stay in gasifier tubular body, cause substantial amounts of
LNG is wasted.
Because with the addition of choke block, the design is easy to control the flow of natural gas, and because with the addition of fin, the design absorbs day
Its internal heat when right gas is reclaimed, because with the addition of fuel filler tube, this is designed as gasifier body and provides fuel, and the present invention makes
With conveniently, easy to operate, air-tightness is high, practical.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of the device for preventing LNG samples from gasifying in advance of the present invention；
Fig. 2 is the structural representation of sealing mechanism in a kind of device for preventing LNG samples from gasifying in advance of the present invention；
Fig. 3 is the structural representation of LNG recovering mechanisms in a kind of device for preventing LNG samples from gasifying in advance of the present invention；
In figure：1- sealing mechanisms, 2-LNG recovering mechanisms, 3- gasifiers body, 4- Venturi tubes, 5-BOG headers, 6- go out
Tracheae, 7- air inlet pipe, 8-LNG shunt valves, 11- ring flanges one, 12- transparent hoses, 13- ring flanges two, 14- screwed holes, 15- are close
Seal washer, 21- air pumps, 22- appendixs, 23- air valves, 24- valves one, 25- valves two.
Specific embodiment
For technological means, creation characteristic, reached purpose and effect for making present invention realization are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Fig. 1-Fig. 3 is referred to, the present invention provides a kind of technical scheme：A kind of device for preventing LNG samples from gasifying in advance, bag
Apparatus main body, sealing mechanism 1 and LNG recovering mechanisms 2 are included, apparatus main body includes that gasifier body 3, Venturi tube 4, BOG are converged
Pipe 5, escaping pipe 6, air inlet pipe 7 and LNG shunt valves 8, gasifier body 3 are hollow cylindrical structure, and air inlet pipe 7 is assemblied in gas
Change the left side of device body 3, escaping pipe 6 is assemblied in the right side of gasifier body 3, and Venturi tube 4 is assemblied in inside gasifier body 3
Right side, LNG shunt valves 8 are connected with air inlet pipe 7, and escaping pipe 6 is connected with BOG headers 5.
Sealing mechanism 1 is provided with two, and two sealing mechanisms 1 are respectively assembled on the left end of air inlet pipe 7 and the right-hand member of air inlet pipe 7,
Sealing mechanism 1 includes ring flange 1, transparent hose 12, ring flange 2 13, screwed hole 14 and seal washer 15, ring flange one
11 are assemblied on LNG shunt valves 8, and ring flange 2 13 is assemblied in air inlet pipe 7, and transparent hose 12 is wrapped in ring flange 1 and method
The outside of blue disk 2 13, is equipped with seal washer 15, ring flange 1 and ring flange two between ring flange 1 and ring flange 2 13
Screwed hole 14 is offered on 13 right sides, the design increased air-tightness of the invention.
LNG recovering mechanisms 2 include air pump 21, appendix 22, air valve 23, valve 1 and valve 2 25, and air pump 21 sets
Put in the upside of gasifier body 3, air pump 21 is connected by appendix 22 with gasifier body 3, and air valve 23 is assemblied in appendix
On 22, valve 1 is assemblied on LNG shunt valves 8, and valve 2 25 is assemblied on BOG headers 5, the design achieves natural gas
Recycle.
The inside left part position of gasifier body 3 is equipped with choke block, and spiral shell is passed through between ring flange 1 and ring flange 2 13
Bolt is fixed, and air pump 21 is connected by conduit with LNG shunt valves 8, and fin is equipped with conduit, ring flange 1 and flange
The specification of disk 2 13 is identical, and Venturi tube 4 is connected with escaping pipe 6, and fuel filler tube is equipped with Venturi tube 4.
Specific embodiment：User of service is first checked the present invention, if fault-free, is normally used, if finding event
Barrier, then need to notify that maintenance personal overhauls, and pending fault can be continuing with after excluding, and user of service is by ring flange 1 and ring flange
2 13 are separately fixed on LNG shunt valves 8 and air inlet pipe 7 by bolt and screwed hole 14, while seal washer 15 is positioned over
Between ring flange 1 and ring flange 2 13, rubber washer makes formation one around LNG shunt valves 8 and the interface of air inlet pipe 7 close
The space closed, while transparent hose 12 is wrapped in ring flange 1 and ring flange 2 13, further takes safeguard measure, same
Method carries out closed to escaping pipe 6 and the interface of BOG headers 5, and so as to solve in the prior art, LNG transporting equipments air-tightness is not
Foot, is easily caused the excessive problem of natural gas leaking.
User of service closes valve 1 and valve 2 25 after LNG conveying operations are completed, and opens air valve 23, and run
Air pump 21, air pump 21 is extracted out natural gas from the inside of gasifier body 3 by appendix 22, when natural gas is by conduit, radiating
Piece absorbs the heat inside natural gas, and air pump 21 sends natural gas back to LNG shunt valves 8 by conduit, so as to solve existing skill
Portion of natural gas can be stayed in inside gasifier body 3 during LNG is defeated in art, cause substantial amounts of LNG to waste.
General principle of the invention and principal character and advantages of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from it is of the invention spirit or
In the case of essential characteristic, the present invention can be in other specific forms realized.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, and the scope of the present invention is by appended claims rather than above stating
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of device for preventing LNG samples from gasifying in advance, including apparatus main body, sealing mechanism (1) and LNG recovering mechanisms
(2), it is characterised in that：Described device main body includes gasifier body (3), Venturi tube (4), BOG headers (5), escaping pipe
(6), air inlet pipe (7) and LNG shunt valves (8), the gasifier body (3) is hollow cylindrical structure, the air inlet pipe (7)
Gasifier body (3) left side is assemblied in, the escaping pipe (6) is assemblied in gasifier body (3) right side, the Venturi tube
(4) the internal right side of gasifier body (3) is assemblied in, the LNG shunt valves (8) are connected with air inlet pipe (7), the escaping pipe
(6) it is connected with BOG headers (5)；
The sealing mechanism (1) is provided with two, and two sealing mechanisms (1) are respectively assembled at air inlet pipe (7) left end and air inlet
On pipe (7) right-hand member, the sealing mechanism (1) includes ring flange one (11), transparent hose (12), ring flange two (13), screwed hole
(14) and seal washer (15), the ring flange one (11) is assemblied on LNG shunt valves (8), and the ring flange two (13) is filled
Fit in air inlet pipe (7), the transparent hose (12) is wrapped in ring flange one (11) and the outside of ring flange two (13), the flange
Seal washer (15) is equipped between disk one (11) and ring flange two (13), the ring flange one (11) and ring flange two (13) are right
Screwed hole (14) is offered on end face；
The LNG recovering mechanisms (2) include air pump (21), appendix (22), air valve (23), valve one (24) and valve two
(25), the air pump (21) is arranged on gasifier body (3) upside, and the air pump (21) is by appendix (22) and gasifier pipe
Body (3) is connected, and the air valve (23) is assemblied on appendix (22), and the valve one (24) is assemblied in LNG shunt valves (8)
On, the valve two (25) is assemblied on BOG headers (5).
2. a kind of device for preventing LNG samples from gasifying in advance according to claim 1, it is characterised in that：The gasifier
The internal left part position of body (3) is equipped with choke block.
3. a kind of device for preventing LNG samples from gasifying in advance according to claim 1, it is characterised in that：The ring flange
It is bolted between one (11) and ring flange two (13).
4. a kind of device for preventing LNG samples from gasifying in advance according to claim 1, it is characterised in that：The air pump
(21) it is connected with LNG shunt valves (8) by conduit, and fin is equipped with conduit.
5. a kind of device for preventing LNG samples from gasifying in advance according to claim 1, it is characterised in that：The ring flange
One (11) is identical with the specification of ring flange two (13).
6. a kind of device for preventing LNG samples from gasifying in advance according to claim 1, it is characterised in that：The venturi
Pipe (4) is connected with escaping pipe (6), and fuel filler tube is equipped with the Venturi tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250929.5A CN106838615A (en) | 2016-12-29 | 2016-12-29 | A kind of device for preventing LNG samples from gasifying in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250929.5A CN106838615A (en) | 2016-12-29 | 2016-12-29 | A kind of device for preventing LNG samples from gasifying in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838615A true CN106838615A (en) | 2017-06-13 |
Family
ID=59115119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611250929.5A Pending CN106838615A (en) | 2016-12-29 | 2016-12-29 | A kind of device for preventing LNG samples from gasifying in advance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547776A (en) * | 2018-04-18 | 2018-09-18 | 歌思（天津）低温设备有限公司 | A kind of double pump cavitation-preventive loading system |
-
2016
- 2016-12-29 CN CN201611250929.5A patent/CN106838615A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547776A (en) * | 2018-04-18 | 2018-09-18 | 歌思（天津）低温设备有限公司 | A kind of double pump cavitation-preventive loading system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
|
| WD01 | Invention patent application deemed withdrawn after publication |