CN209386010U - L-CNG charging device - Google Patents
L-CNG charging device Download PDFInfo
- Publication number
- CN209386010U CN209386010U CN201822095728.3U CN201822095728U CN209386010U CN 209386010 U CN209386010 U CN 209386010U CN 201822095728 U CN201822095728 U CN 201822095728U CN 209386010 U CN209386010 U CN 209386010U
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- CN
- China
- Prior art keywords
- fixedly connected
- tank
- decompressor
- cng
- pipeline
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to natural gas technical fields, and disclose a kind of L-CNG charging device, including LNG storage tank, decompressor and L-CNG device, it is fixedly connected in the middle part of the decompressor and LNG storage tank side, the decompressor includes pipeline, shut-off valve, pressure reducing valve and exhaust valve, it is fixedly connected in the middle part of the pipeline and LNG storage tank side, the shut-off valve is fixedly connected with pipeline side.The utility model solves the problems, such as that pressure difference is excessive inside and outside tank in filling process and natural gas may be revealed, the utility model is by being provided with decompressor, decompressor is manufactured by the working principle of pressure reducing valve, specifically, by adjusting pressure reducing valve, outlet pressure is reduced to the outlet pressure of needs, and by the energy of medium itself, outlet pressure is set to automatically keep stabilization, in this way come during reducing L-CNG, pressure inside and outside tank prevents the damage due to the excessive caused device of tank external and internal pressure.
Description
Technical field
The utility model relates to natural gas technical field, specially a kind of L-CNG charging device.
Background technique
L-CNG refers to a kind of process for converting liquid natural gas to compressed natural gas, mainly LNG is drawn on arriving at a station
Face is converted into CNG, but in practical conversion process, can generate natural gas leaking and transformed after overflash and compression
The problem of equipment stress problems lead to equipment damage in journey, so proposing a kind of L-CNG charging device.
Utility model content
The purpose of this utility model is to provide a kind of L-CNG charging device, reaches and reduce pressure difference inside and outside tank and prevent
The purpose of stopping leak dew.
To achieve the above object, the utility model provides the following technical solutions: a kind of L-CNG charging device, including LNG are deposited
It is fixedly connected in the middle part of storage tank, decompressor and L-CNG device, the decompressor and LNG storage tank side, the decompression dress
It sets including pipeline, shut-off valve, pressure reducing valve and exhaust valve, is fixedly connected in the middle part of the pipeline and LNG storage tank side, described section
Only valve is fixedly connected with pipeline side, is fixedly connected in the middle part of the pressure reducing valve and pipeline, and the exhaust valve and the pipeline other side are solid
Fixed connection.
The L-CNG device is fixedly connected by decompressor with side outside LNG storage tank, the L-CNG device packet
It includes liquid pipe, filling tank, booster jar, air-heating type gasifier, water-bath high pressure gasifier, big flow decompressor, the row of filling, fill head
And liquid back pipe, the air-heating type gasifier and water-bath high pressure gasifier are placed in side outside LNG storage tank, the booster jar
By welding at the top of support frame and air-heating type gasifier, the filling tank is described to add by welding at the top of support frame and booster jar
Note tank is fixedly connected by liquid pipe with pipeline, and the air-heating type gasifier stores pot bottom with LNG by liquid back pipe and is fixedly connected,
The water-bath high pressure gasifier is fixedly connected by connecting tube with air-heating type gasifier, and the big flow decompressor and water-bath are high
It is fixedly connected at the top of pressure gasifier, the row of filling is fixedly connected with big flow decompressor side, described to fill head and fill
Row bottom is fixedly connected, and the head that fills includes sliding rail, snap-gauge, sealant, rubber sleeve and gas tube, and the sliding rail, which is set to, to be filled
It fills at the top of head mounting blocks, the snap-gauge and sliding rail grafting, the sealant and one side bonds of snap-gauge, the gas tube and fills head
Bottom is fixedly connected, and is socketed on the outside of the rubber sleeve and gas tube.
Preferably, the LNG storage tank includes tank body, smell adding set, air pump, tracheae and control panel, the gas
For taste adding set by being fixedly connected in the middle part of fixing bolt and tank body side, the air pump passes through fixing bolt and tank body side
Top be fixedly connected, pass through that tracheae is fixed to be connected between the smell adding set and tank body and air pump and smell adding set
It connects, the control panel is fixedly connected by fixing bolt with smell adding set side.
Preferably, the junction of the tracheae, pipeline, liquid pipe and liquid back pipe is sealed by sealing ring.
Preferably, there is difference in height between the filling tank, booster jar and air-heating type gasifier, the filling tank is located at pressurization
Tank top, the booster jar are located at the top of air-heating type gasifier.
Preferably, the tight grafting in the top two sides of the snap-gauge and gasing tank, the gas tube and gasing tank caliber size
It is adapted.
Preferably, the air pump, decompressor and L-CNG device are electrically connected with control panel.
The utility model provides L-CNG charging device.Have it is following the utility model has the advantages that
(1), the utility model is by being provided with decompressor, the working principle system that decompressor passes through pressure reducing valve
It makes, specifically, by adjusting pressure reducing valve, outlet pressure is reduced to the outlet pressure of needs, and by the energy of medium itself, make
Outlet pressure automatically keeps stabilization, in this way come during reducing L-CNG, pressure inside and outside tank is prevented due to tank
The damage of device caused by external and internal pressure is excessive.
(2), the utility model is added in the forward direction liquid natural gas of L-CNG process by the way that odorous adding set is arranged
Enter gas, the gas and liquid natural gas of addition are immiscible, this sample loading mode can guarantee that staff can be with when gas leaks
It easily smells smell, while the junction of each pipeline is provided with sealing ring, while being provided with fixed device at filling,
Gasing tank can be fixed, while the rubber sleeve being arranged is socketed in outside gas tube well, rubber can be made in inflation
Set is bonded well with gasing tank, prevents from revealing.
Detailed description of the invention
Fig. 1 is the main view of the utility model structure；
Fig. 2 is the sectional view of the decompressor of the utility model structure；
Fig. 3 is the sectional view for filling head of the utility model structure.
In figure: 1LNG storage tank, 11 tank bodies, 12 smell adding sets, 13 air pumps, 14 tracheaes, 15 control panels, 2 decompressions
Device, 21 pipelines, 22 shut-off valves, 23 pressure reducing valves, 24 exhaust valves, 3L-CNG device, 31 liquid pipes, 32 filling tanks, 33 booster jars,
34 air-heating type gasifiers, 35 water-bath high pressure gasifiers, 36 big flow decompressors, 37 rows of filling, 38 fill head, 381 sliding rails,
382 snap-gauges, 383 sealants, 384 rubber sleeves, 385 gas tubes, 39 liquid back pipes.
Specific embodiment
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of L-CNG charging device, including LNG storage
Tank 1, decompressor 2 and L-CNG device 3, LNG storage tank 1 include tank body 11, smell adding set 12, air pump 13,14 and of tracheae
Control panel 15, by being fixedly connected in the middle part of fixing bolt and 11 side of tank body, air pump 13 passes through solid smell adding set 12
Determine to be fixedly connected at the top of bolt and 11 side of tank body, smell adding set 12 and tank body 11 and air pump 13 and smell adding set
It is fixedly connected by tracheae 14 between 12, control panel 15 connects by the way that fixing bolt and 12 side of smell adding set are fixed
It connects, is fixedly connected in the middle part of decompressor 2 and 1 side of LNG storage tank, decompressor 2 includes pipeline 21, shut-off valve 22, decompression
It is fixedly connected in the middle part of valve 23 and exhaust valve 24, pipeline 21 and 1 side of LNG storage tank, shut-off valve 22 is fixed with 21 side of pipeline
It connects, is fixedly connected in the middle part of pressure reducing valve 23 and pipeline 21, exhaust valve 24 is fixedly connected with 21 other side of pipeline, the utility model
By being provided with decompressor 2, decompressor 2 is manufactured by the working principle of pressure reducing valve 23, specifically, is subtracted by adjusting
Outlet pressure is reduced to the outlet pressure of needs by pressure valve 23, and by the energy of medium itself, automatically keeps outlet pressure surely
It is fixed, in this way come during reducing L-CNG, pressure inside and outside tank, prevent due to tank external and internal pressure it is excessive caused by
The damage of device.
L-CNG device 3 is fixedly connected by decompressor 2 with 1 outside side of LNG storage tank, and L-CNG device 3 includes liquid
Pipe 31, booster jar 33, air-heating type gasifier 34, water-bath high pressure gasifier 35, big flow decompressor 36, fills filling tank 32
Row 37 fills first 38 and liquid back pipe 39, and air-heating type gasifier 34 and water-bath high pressure gasifier 35 are placed in outside LNG storage tank 1
Portion side, for booster jar 33 by welding at the top of support frame and air-heating type gasifier 34, filling tank 32 passes through support frame and booster jar
33 top welding, filling tank 32 are fixedly connected by liquid pipe 31 with pipeline 21, filling tank 32, booster jar 33 and air temperature type gasification
There is difference in height between device 34, filling tank 32 is located at 33 top of booster jar, and booster jar 33 is located at 34 top of air-heating type gasifier, empty
Heating type gasifier 34 is fixedly connected by liquid back pipe 39 with 1 bottom of LNG storage tank, and water-bath high pressure gasifier 35 passes through connecting tube
It is fixedly connected with air-heating type gasifier 34, is fixedly connected, fills at the top of big flow decompressor 36 and water-bath high pressure gasifier 35
Row 37 is fixedly connected with 36 side of big flow decompressor, fills first 38 and is fixedly connected with the row of filling 37 bottom, fills first 38 and wrap
Sliding rail 381, snap-gauge 382, sealant 383, rubber sleeve 384 and gas tube 385 are included, sliding rail 381, which is set to, fills first 38 mounting blocks
Top, snap-gauge 382 and 381 grafting of sliding rail, sealant 383 and 382 1 side bonds of snap-gauge, gas tube 385 and fill first 38 bottom
Be fixedly connected, be socketed on the outside of rubber sleeve 384 and gas tube 385, tracheae 14, pipeline 21, liquid pipe 31 and liquid back pipe 39 junction
It is sealed by sealing ring, the tight grafting in top two sides of snap-gauge 382 and gasing tank, gas tube 385 and gasing tank caliber size
It is adapted, air pump 13, decompressor 2 and L-CNG device 3 are electrically connected with control panel 15, and the utility model passes through setting
Gas, the gas and liquid natural gas of addition is added in odorous adding set 12 in the forward direction liquid natural gas of L-CNG process
Immiscible, this sample loading mode can guarantee that staff can easily smell smell when gas leaks, while each pipeline
Junction is provided with sealing ring, while fixed device is provided at first 38 filling, and gasing tank can be fixed well, simultaneously
The rubber sleeve 384 of setting is socketed in outside gas tube 385, rubber sleeve 384 can be made to paste well with gasing tank in inflation
It closes, prevents from revealing.
When in use, the gas for going pump 13 that different odor is added into tank body 11, tank body 11 are opened by control panel 15
In liquid natural gas sequentially entered in 34 in filling tank 32, booster jar 33 and air-heating type gasifier by liquid pipe 31, then pass through
Liquid back pipe 39 returns, and realizes the process from pressurization, while shut-off valve 22, pressure reducing valve 23, exhaust valve 24 operate, guarantees outlet pressure
Become smaller with overpressure difference, then gas enters the gasification of water-bath high pressure gasifier 35 to room temperature, then by high pressure tank and
High-flow pressure reducing valve 36 enters the row of filling 37, is filled to and fills in tank by filling first 38 punching.
It can to sum up obtain, for the utility model by being provided with decompressor 2, decompressor 2 is former by the work of pressure reducing valve 23
Reason is manufactured, and specifically, by adjusting pressure reducing valve 23, outlet pressure is reduced to the outlet pressure of needs, and rely on medium sheet
The energy of body makes outlet pressure automatically keep stabilization, in this way come during reducing L-CNG, pressure inside and outside tank,
The damage due to the excessive caused device of tank external and internal pressure is prevented, the utility model, which passes through, is arranged odorous adding set 12,
Gas is added in the forward direction liquid natural gas of L-CNG process, the gas and liquid natural gas of addition are immiscible, this sample loading mode can be with
Guarantee that staff can easily smell smell, while the junction of each pipeline is provided with sealing ring when gas leaks,
While fixed device is provided at first 38 filling, the rubber sleeve 384 that gasing tank can be fixed well, while be arranged is socketed
Outside gas tube 385, rubber sleeve 384 can be made to be bonded well with gasing tank in inflation, prevent from revealing.
Claims (6)
1. a kind of L-CNG charging device, including LNG storage tank (1), decompressor (2) and L-CNG device (3), feature exists
In: it is fixedly connected in the middle part of the decompressor (2) and LNG storage tank (1) side, the decompressor (2) includes pipeline
(21), the middle part of shut-off valve (22), pressure reducing valve (23) and exhaust valve (24), the pipeline (21) and LNG storage tank (1) side is solid
Fixed connection, the shut-off valve (22) are fixedly connected with pipeline (21) side, fixed in the middle part of the pressure reducing valve (23) and pipeline (21)
Connection, the exhaust valve (24) are fixedly connected with pipeline (21) other side；
The L-CNG device (3) is fixedly connected by decompressor (2) with the external side of LNG storage tank (1), the L-CNG dress
Set (3) include liquid pipe (31), filling tank (32), booster jar (33), air-heating type gasifier (34), water-bath high pressure gasifier (35),
Big flow decompressor (36), the row of filling (37) fill head (38) and liquid back pipe (39), the air-heating type gasifier (34) and water
Bath high pressure gasifier (35) is placed in the external side of LNG storage tank (1), and the booster jar (33) passes through support frame and air temperature type
Welding at the top of gasifier (34), the filling tank (32) at the top of support frame and booster jar (33) by welding, the filling tank
(32) it is fixedly connected by liquid pipe (31) with pipeline (21), the air-heating type gasifier (34) is deposited by liquid back pipe (39) with LNG
Storage tank (1) bottom is fixedly connected, and the water-bath high pressure gasifier (35) connects by the way that connecting tube and air-heating type gasifier (34) are fixed
Connect, be fixedly connected at the top of the big flow decompressor (36) and water-bath high pressure gasifier (35), the row of filling (37) with greatly
Flow decompressor (36) side is fixedly connected, and the head (38) that fills is fixedly connected with the row of filling (37) bottom, described to fill
Head (38) includes sliding rail (381), snap-gauge (382), sealant (383), rubber sleeve (384) and gas tube (385), the sliding rail
(381) it is set to and fills at the top of head (38) mounting blocks, the snap-gauge (382) and sliding rail (381) grafting, the sealant (383)
With (382) one side bonds of snap-gauge, the gas tube (385) is fixedly connected with head (38) bottom is filled, the rubber sleeve (384) with
Socket on the outside of gas tube (385).
2. L-CNG charging device according to claim 1, it is characterised in that: the LNG storage tank (1) includes tank body
(11), smell adding set (12), air pump (13), tracheae (14) and control panel (15), the smell adding set (12) are logical
It crosses in the middle part of fixing bolt and tank body (11) side and is fixedly connected, the air pump (13) passes through fixing bolt and tank body (11) side
Top be fixedly connected, between the smell adding set (12) and tank body (11) and air pump (13) and smell adding set (12)
It is fixedly connected by tracheae (14), the control panel (15) is fixed by fixing bolt and smell adding set (12) side
Connection.
3. L-CNG charging device according to claim 1, it is characterised in that: the tracheae (14), pipeline (21), liquid pipe
(31) it is sealed by sealing ring with the junction of liquid back pipe (39).
4. L-CNG charging device according to claim 1, it is characterised in that: the filling tank (32), booster jar (33) and
There is difference in height between air-heating type gasifier (34), the filling tank (32) is located at the top of booster jar (33), the booster jar (33)
At the top of air-heating type gasifier (34).
5. L-CNG charging device according to claim 1, it is characterised in that: the top of snap-gauge (382) and gasing tank
The tight grafting in two sides, the gas tube (385) are adapted with gasing tank caliber size.
6. L-CNG charging device according to claim 2, it is characterised in that: the air pump (13), decompressor (2) and
L-CNG device (3) is electrically connected with control panel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095728.3U CN209386010U (en) | 2018-12-13 | 2018-12-13 | L-CNG charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095728.3U CN209386010U (en) | 2018-12-13 | 2018-12-13 | L-CNG charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209386010U true CN209386010U (en) | 2019-09-13 |
Family
ID=67871783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822095728.3U Expired - Fee Related CN209386010U (en) | 2018-12-13 | 2018-12-13 | L-CNG charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209386010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365615A (en) * | 2020-03-20 | 2020-07-03 | 吴忠仪表有限责任公司 | Valve static pressure life automatic testing device based on gasification pressurization |
-
2018
- 2018-12-13 CN CN201822095728.3U patent/CN209386010U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365615A (en) * | 2020-03-20 | 2020-07-03 | 吴忠仪表有限责任公司 | Valve static pressure life automatic testing device based on gasification pressurization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20201213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |