CN206695509U - A kind of equipment of liquefied natural gas - Google Patents
A kind of equipment of liquefied natural gas Download PDFInfo
- Publication number
- CN206695509U CN206695509U CN201720264353.1U CN201720264353U CN206695509U CN 206695509 U CN206695509 U CN 206695509U CN 201720264353 U CN201720264353 U CN 201720264353U CN 206695509 U CN206695509 U CN 206695509U
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- flexible pipe
- natural gas
- heat exchanger
- equipment
- gas
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Abstract
The utility model discloses a kind of equipment of liquefied natural gas, including refrigerating circuit, natural gas input channel, heat exchanger and the first gas-liquid separator, the refrigerating circuit is connected by the first flexible pipe with the heat exchanger, the natural gas input channel is connected with the heat exchanger, and the heat exchanger is connected by the second flexible pipe with first gas-liquid separator；Clamping device is equipped with first flexible pipe and the second flexible pipe, each clamping device is connected to the jittering device for driving the first flexible pipe and the second flexible pipe shake；First flexible pipe and the second flexible pipe are spiral expanding flexible pipe.The utility model can effectively prevent the attaching of cooling agent and mixed liquor in pipeline, avoid the generation of pipe scale in pipeline.
Description
Technical field
The utility model belongs to LNG preparation facilities technical fields, and in particular to a kind of equipment of liquefied natural gas.
Background technology
Liquefied natural gas (Liquefied Natural Gas, abbreviation LNG), main component is methane, and it is the earth to be recognized
On the most clean energy.Colourless, tasteless, nontoxic and non-corrosiveness, its volume are about the 1/625 of same amount gaseous natural gas volume,
The weight of liquefied natural gas is only 45% or so of androgynous ponding.Its manufacturing process is first by the natural gas purification of gas field production
Reason, after the liquefaction of a succession of ultralow temperature, transported using LNG carrier.After liquefied natural gas burning to air pollution very
It is small, and liberated heat is big, so liquefied natural gas is a kind of more advanced energy.
In the prior art, the liquefaction to natural gas is mainly by natural gas and refrigerant after heat exchanger, due to natural
The critical-temperature of gas, become gas and liquid mixture, now, separated by mixed liquor into gas-liquid separator.Firstly, since gas
When liquid mixed liquor flows through in the duct, part gas and liquid mixture can be attached in pipeline, form dirt, cause the tired of pipeline cleaning
The dirt of pipeline may can also be absorbed and be delivered to gas-liquid separator by difficulty, further, follow-up natural gas gas and liquid mixture,
Influence separating effect；Secondly, after transformation cooling processing, gas-liquid mixture can be also attached in pipeline natural gas；These are asked
Topic, the problems such as not only resulting in pipeline cleaning, it is crucial that, the purity of follow-up natural gas can be influenceed, especially into heat exchange
The purity of natural gas in device, and then influence liquefaction efficiency.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of equipment of liquefied natural gas, and its object is to effectively keep away
Exempt from the presence of pipe scale in gas deliquescence process, facilitate cleaning, improve the efficiency and product purity of liquefied natural gas.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of equipment of liquefied natural gas, including refrigerating circuit, natural gas input channel, heat exchanger and the first gas-liquid separation
Device, the refrigerating circuit are connected by the first flexible pipe with the heat exchanger, and the natural gas input channel connects with the heat exchanger
Connect, the heat exchanger is connected by the second flexible pipe with first gas-liquid separator；
Clamping device is equipped with first flexible pipe and the second flexible pipe, each clamping device is connected to drive
The jittering device of first flexible pipe and the second flexible pipe shake；
First flexible pipe and the second flexible pipe are spiral expanding flexible pipe.
In a preferred embodiment of the present utility model, the clamping device includes an open annular dead ring,
Two end points of the dead ring intersect extension at cross-point and form clamp, the external diameter of first flexible pipe and the second flexible pipe
External diameter is all higher than the internal diameter of the dead ring.
In a preferred embodiment of the present utility model, two end point bent upwards of the clamp form the end of circle
Portion.
In a preferred embodiment of the present utility model, the jittering device is crank mechanism, the crank mechanism bag
Connecting rod and cam are included, the cam is provided with the connecting hole for being used for installing the connecting rod, and the clamping device connects with the connecting rod
Connect, the cam is connected with the electric rotating machine for driving cam rotation.
In a preferred embodiment of the present utility model, be also associated with the natural gas input channel deacidifying device and
Dehydration device.
In a preferred embodiment of the present utility model, exhaust outlet and the heat exchanger of first gas-liquid separator
Connection.
In a preferred embodiment of the present utility model, the refrigerating circuit include stage compressor, the first cooler,
Second gas-liquid separator, split-compressor and the second cooler, the stage compressor successively with first cooler and
Two gas-liquid separators are connected, the exhaust outlet of second gas-liquid separator successively with the split-compressor, the second cooler and
Heat exchanger connects；The heat exchanger sidepiece backflows pipeline provided with refrigerant, the refrigerant backflow pipeline by after heat exchanger with
The stage compressor connection.
In a preferred embodiment of the present utility model, the refrigerant pipeline that backflows is provided with first throttle valve.
In a preferred embodiment of the present utility model, the liquid outlet of second gas-liquid separator passes through the second throttling
Valve is connected with the heat exchanger.
In a preferred embodiment of the present utility model, the first gas-liquid separator bottom is provided with fluid reservoir.
Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：
The utility model passes through the key device in the connection liquefaction of spiral expanding flexible pipe so that gas-liquid mixture and refrigeration
During agent enters heat exchanger, certain revolution is had by corrugated hose, by dirt and other impurity by revolution with
Mixture in pipeline mixes；Further, by jittering device, effectively prevent the liquid deposition in pipeline in natural gas
Impurity, which is attached in pipeline, causes pipe scale.
The utility model avoids refrigerant from resting in pipeline, influences follow-up preparation and production by spiral expanding flexible pipe
The purity of product.
The utility model is simple in construction, and pipeline cleaning is convenient, and transmission is simple.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the equipment of liquefied natural gas provided by the utility model；
Fig. 2 is the structural representation of clamping device provided by the utility model；
Fig. 3 is the structural representation of jittering device provided by the utility model；
Corresponding component title of the numeral represented by with letter in figure：
1st, refrigerating circuit；101st, stage compressor；102nd, the first cooler；103rd, the second gas-liquid separator；104th, two level
Compressor；105th, the second cooler；2nd, natural gas input channel；3rd, heat exchanger；4th, the first gas-liquid separator；5th, the first flexible pipe；
6th, the second flexible pipe；7th, clamping device；701st, dead ring；702nd, clamp；8th, jittering device；801st, connecting rod；802nd, cam；9th, rotate
Motor；10th, deacidifying device；11st, dehydration device；12nd, refrigerant backflows pipeline；13rd, first throttle valve；14th, second throttle；
15th, fluid reservoir.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Embodiment 1
Referring to the drawings shown in 1, a kind of equipment of liquefied natural gas provided by the utility model, including it is refrigerating circuit 1, natural
Gas input channel 2, the gas-liquid separator 4 of heat exchanger 3 and first, the refrigerating circuit 1 are connected by the first flexible pipe 5 with heat exchanger 3
Connect, natural gas input channel 2 is connected with heat exchanger 3, and heat exchanger 3 is also connected by the second flexible pipe 6 and the first gas-liquid separator 4
Connect；
In use, natural gas enters by natural gas input channel 2, refrigerant enters heat exchanger by refrigerant loop 1
3, natural gas is after heat exchanger 3, and due to the change of temperature, gas-liquid conversion, most gaseous state can occur for gaseous natural gas
Natural gas reaches critical-temperature, becomes liquid, and the gas-liquid natural gas of mixing then is carried out into gas-liquid into the first gas-liquid separator 4
Separation, and then the natural gas after being liquefied.
Clamping device 7 is equipped with the first flexible pipe 5 and the second flexible pipe 6, each clamping device 7, which is connected to, drives institute
State the first flexible pipe 5 and the jittering device 8 of the second flexible pipe 6 shake；
Further, the above-mentioned flexible pipe 6 of first flexible pipe 5 and second is spiral expanding flexible pipe.
Because refrigerant passes through in refrigerating circuit, some refrigerant can rest on the pipe that refrigerating circuit is connected with heat exchanger 3
On road, after the first task, follow-up refrigerant also may proceed to stop, and be made troubles to pipeline cleaning, meanwhile, it can also bring pipe
Dirt.Further, due to the ceaselessly circularly cooling of refrigerant, it is possible to can be using the refrigerant of different temperatures as same temperature
Refrigerant bring heat exchanger into, influence liquefaction effect, or even influence product purity.
And when entering the first gas-liquid separator 4 by the gas and liquid mixture of heat exchanger, equally also occur in pipeline above-mentioned
Problem, the activity of clamping device 7 is driven by jittering device 8 of the present utility model, so can with and to ensure each flexible pipe be activity
, rather than it is static, it can not only avoid having liquid or impurity dirt in pipeline, moreover it is possible to by before being deposited in pipeline
Impurity or pipe scale shake.
Embodiment 2
As the further improvement of embodiment 1, referring to the drawings shown in 1 and 2, it is open annular that clamping device 7 includes one
Dead ring 701, two end points of the dead ring 701 intersect extension at cross-point and form clamp 702, wherein, the first flexible pipe 5
External diameter and the external diameter of the second flexible pipe 6 be all higher than the internal diameter of dead ring 701.
It is raised it is possible to further be set in the inside of dead ring 701, which increase the friction of flexible pipe and dead ring 701
Power so that even if hose transition receives the drive activity of jittering device 8, be not easy to slide.
Clamping device in the utility model, simple in construction, installation procedure is simple, moreover it is possible to protects flexible pipe to be unlikely to deform.Than
Such as clamping device 7 can directly be formed by soft iron silk or steel wire.
In further improvement of this embodiment, two end point bent upwards of clamp 702 form the end of circle.Pass through
Rounded ends are set, not only facilitate the use of staff, avoid opening from scratching staff, and facilitate itself and jittering device
8 connection.
Embodiment 3
Referring to the drawings shown in 3, further improvement and expansion of the present embodiment as above-mentioned 2 embodiments, jittering device 8 is
Crank mechanism, the crank mechanism include connecting rod 801 and cam 802, are provided for installing the connecting rod 801 on cam 802
Connecting hole, wherein, clamping device 7 is connected with connecting rod 801, be connected with cam 802 with moving cam 802 rotate electric rotating machine
9。
With reference to embodiment 2, a connector can be increased in one end of connecting rod 801, such as can be by connecting rod 801
Punching, then the hole on connecting rod 801 is connected with the circle of the end of clamp 702 by soft iron silk etc., then passes through electric rotating machine 9
Band moving cam 802 rotates, and then connecting rod 801 rotates, and has been further driven to the motion of dead ring 701.
By above-mentioned motion, solve the problems, such as dirt deposition in pipeline, facilitate pipeline cleaning and ensure that whole
During product purity.
Embodiment 4
In the present embodiment, it is also associated with natural gas input channel 2 for the de- of natural gas depickling processing and dewater treatment
Sour device 10 and dehydration device 11.
Further, the exhaust outlet of the first gas-liquid separator 4 is connected with the heat exchanger 3., can be with by such connection
So that the gas of the first gas-liquid separator 4 discharge exchanges heat cooling again into heat exchanger 3, then enter by the choke valve of setting
Enter follow-up process.
Specifically, refrigerating circuit 1 includes stage compressor 101, the first cooler 102, the second gas-liquid separator 103, two
The level cooler 105 of compressor 104 and second, wherein, stage compressor 101 divides with the first cooler 102 and the second gas-liquid successively
Connected from device 103, the exhaust outlet of the second gas-liquid separator 103 successively with split-compressor 104, the second cooler 105 and heat exchange
Device 3 connects；
Further, the sidepiece of heat exchanger 3 backflows pipeline 12 provided with refrigerant, and the refrigerant pipeline 12 that backflows passes through heat exchange
It is connected after device 3 with stage compressor 101.
Above-mentioned connected mode, the whole circuit cycle of refrigerant is realized, facilitates continuous production, and securely and reliably.
Further, backflowed in refrigerant and be provided with first throttle valve 13 on pipeline 12.Main purpose is to facilitate hybrid refrigeration
The circulation again of machine.
Further, the liquid outlet of the second gas-liquid separator 103 is connected by second throttle 14 with the heat exchanger 3.
Further, the bottom of the first gas-liquid separator 4 is provided with the fluid reservoir 15 of liquid after convenient storage separation.
In the present embodiment, mix refrigerant cools down laggard after the compression of stage compressor 101 by the first cooler 102
Enter the second gas-liquid separator 103, the gas that the second gas-liquid separator 103 is separated after the compression of split-compressor 104, then
Heat exchanger 3 is sent into after the cooling of the second cooler 105 to be exchanged heat, sequentially entering refrigerant after the throttling of first throttle valve 13 returns
Flow tube road 12 and heat exchanger 3, the refrigerant for the return of pipeline 12 of then being backflowed in heat exchanger 3 with refrigerant are mixed, gone out after mixing
Heat exchanger 3 enters stage compressor 101, completes the mixing of hybrid refrigeration machine.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (10)
- A kind of 1. equipment of liquefied natural gas, it is characterised in that：Including refrigerating circuit, natural gas input channel, heat exchanger and One gas-liquid separator, the refrigerating circuit are connected by the first flexible pipe with the heat exchanger, the natural gas input channel and institute Heat exchanger connection is stated, the heat exchanger is connected by the second flexible pipe with first gas-liquid separator；Clamping device is equipped with first flexible pipe and the second flexible pipe, each clamping device is connected to described in drive First flexible pipe and the jittering device of the second flexible pipe shake；First flexible pipe and the second flexible pipe are spiral expanding flexible pipe.
- A kind of 2. equipment of liquefied natural gas according to claim 1, it is characterised in that：The clamping device is opened including one The dead ring of formula annular is put, two end points of the dead ring intersect extension at cross-point and form clamp, first flexible pipe External diameter and the external diameter of the second flexible pipe be all higher than the internal diameter of the dead ring.
- A kind of 3. equipment of liquefied natural gas according to claim 2, it is characterised in that：Two end points of the clamp to On be bent to form circle end.
- A kind of 4. equipment of liquefied natural gas according to claim 1, it is characterised in that：The jittering device is crank machine Structure, the crank mechanism include connecting rod and cam, and the cam is provided with the connecting hole for being used for installing the connecting rod, the clamping Device is connected with the connecting rod, and the cam is connected with the electric rotating machine for driving cam rotation.
- A kind of 5. equipment of liquefied natural gas according to claim 1, it is characterised in that：On the natural gas input channel It is also associated with deacidifying device and dehydration device.
- A kind of 6. equipment of liquefied natural gas according to claim 1, it is characterised in that：First gas-liquid separator Exhaust outlet is connected with the heat exchanger.
- A kind of 7. equipment of liquefied natural gas according to claim 1, it is characterised in that：The refrigerating circuit includes one-level Compressor, the first cooler, the second gas-liquid separator, split-compressor and the second cooler, the stage compressor successively with First cooler and the second gas-liquid separator series connection, the exhaust outlet of second gas-liquid separator successively with the two level pressure Contracting machine, the second cooler connect with heat exchanger；The heat exchanger sidepiece backflows pipeline provided with refrigerant, the refrigerant return tube Road after heat exchanger with the stage compressor by being connected.
- A kind of 8. equipment of liquefied natural gas according to claim 7, it is characterised in that：The refrigerant backflows on pipeline Provided with first throttle valve.
- A kind of 9. equipment of liquefied natural gas according to claim 7, it is characterised in that：Second gas-liquid separator Liquid outlet is connected by second throttle with the heat exchanger.
- 10. according to a kind of equipment of any described liquefied natural gas of claim 1-9, it is characterised in that：First gas-liquid Separator bottom is provided with fluid reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720264353.1U CN206695509U (en) | 2017-03-17 | 2017-03-17 | A kind of equipment of liquefied natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720264353.1U CN206695509U (en) | 2017-03-17 | 2017-03-17 | A kind of equipment of liquefied natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695509U true CN206695509U (en) | 2017-12-01 |
Family
ID=60443622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720264353.1U Expired - Fee Related CN206695509U (en) | 2017-03-17 | 2017-03-17 | A kind of equipment of liquefied natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206695509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949707A (en) * | 2017-03-17 | 2017-07-14 | 国能信通（延川）能源技术有限公司 | A kind of equipment of liquefied natural gas |
-
2017
- 2017-03-17 CN CN201720264353.1U patent/CN206695509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949707A (en) * | 2017-03-17 | 2017-07-14 | 国能信通（延川）能源技术有限公司 | A kind of equipment of liquefied natural gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 717200 4 office building, clean energy industrial park, Shanghai Yi village, Wen'an Yi Town, Yanchuan, Yanan, Shaanxi Patentee after: Yanan national energy Polytron Technologies Inc. Address before: 710000 office building of clean energy industrial park, Shanghai Yi village, Wen'an Yi Town, Yanchuan, Yanan, Shaanxi 4 Patentee before: GUONENG XINTONG (YANCHUAN) ENERGY TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |