CN209819209U - LNG gas supply protector and LNG gas supply system - Google Patents
LNG gas supply protector and LNG gas supply system Download PDFInfo
- Publication number
- CN209819209U CN209819209U CN201920697513.0U CN201920697513U CN209819209U CN 209819209 U CN209819209 U CN 209819209U CN 201920697513 U CN201920697513 U CN 201920697513U CN 209819209 U CN209819209 U CN 209819209U
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- Prior art keywords
- air
- gas
- pipe
- valve
- air delivery
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- Expired - Fee Related
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- 230000001012 protector Effects 0.000 title claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 70
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 14
- 238000002309 gasification Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 3
- 230000002633 protecting effect Effects 0.000 abstract description 11
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- 229920001821 foam rubber Polymers 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 72
- 230000005540 biological transmission Effects 0.000 description 12
- 230000008016 vaporization Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a LNG air feed protector and LNG air feed system belongs to the gas supply technology field, and the device comprises a device main body and an air storage tank, wherein an air delivery pump is fixedly arranged on the upper surface of the device main body, the air delivery pump is electrically connected with an external power supply, an air inlet pipe of the air delivery pump is communicated with one end of an air delivery pipe a, an air delivery pipe b is arranged on the right side surface of the air storage tank, and the air delivery pipe b is communicated with the air delivery pipe a through a flange; set up the lag through the surface at gas-supply pipe an and gas-supply pipe b, be in the same place through external screw thread and female connection between protecting crust an and the protecting crust b, utilize the interlock between external screw thread and the internal thread to protect the junction of gas-supply pipe an and gas-supply pipe b, spill over when effectively avoiding gas leakage, utilize the rubber foam-rubber cushion to make and laminate between protecting crust an and the protecting crust b inseparabler, further protect, and the protecting effect is good.
Description
Technical Field
The utility model belongs to the technical field of the gas supply, concretely relates to LNG air feed protector and LNG air supply system.
Background
The LNG vaporizer may be divided into a single-point direct-feed vaporizer and an LNG satellite station according to supply objects, and receives, stores, and vaporizes LNG purchased upstream to supply gas to a local site. The LNG vaporizing station can be regarded as a small-sized LNG receiving station, and a part of the vaporizing stations are also provided with liquefying devices, so that the LNG vaporizing station is also an intermediate adjusting place for transferring LNG from a manufacturer to a user in towns or gas enterprises. By virtue of the advantages of short construction period and capability of rapidly meeting the demand of a gas utilization market, the LNG gasification station is gradually built in a plurality of economically developed and energy-scarce middle and small cities in the south-east coast of China, and becomes a permanent gas supply facility or a transitional gas supply facility before arrival of pipeline natural gas.
The pipeline joint between the gas transmission pump and the gas storage tank of the original LNG supply device is lack of a necessary protection device, and gas at the joint is easy to overflow into the air when leaking, so that waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LNG air feed protector and LNG air supply system to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an LNG gas supply protection device comprises a device main body and a gas storage tank, wherein a gas transmission pump is fixedly arranged on the upper surface of the device main body, the air delivery pump is electrically connected with an external power supply, an air inlet pipe of the air delivery pump is communicated with one end of the air delivery pipe a, the right side surface of the air storage tank is provided with an air pipe b, the air pipe b is communicated with the air pipe a through a flange, protective sleeves are arranged on the outer surfaces of the gas conveying pipes a and the gas conveying pipes b, each protective sleeve mainly comprises two mounting cylinders, a protective shell a and a protective shell b, the two mounting cylinders are respectively connected with the outer surfaces of the gas pipe a and the gas pipe b in a sealing and sliding way, the outer surfaces of the two mounting cylinders are respectively sleeved with a sealing bearing a, and two sealed bearings a are respectively clamped on one side face of the protective shell a opposite to the protective shell b, and the protective shell a is connected with the protective shell b through threads.
Preferably, the outer surface of the convex part of the right side surface of the protective shell a is provided with an external thread, the inner side wall of the concave part of the left side surface of the protective shell b is provided with an internal thread, and the protective shell a and the protective shell b are fixedly connected through the external thread and the internal thread.
Preferably, a rubber sealing gasket is arranged between the protective shell a and the protective shell b.
Preferably, the outer surfaces of the gas conveying pipe a and the gas conveying pipe b are respectively and fixedly connected with two limiting rings, and the four limiting rings are arranged on the left side and the right side of the two mounting cylinders in a pairwise manner.
Preferably, the protecting sleeve is positioned outside the flange at the joint of the air pipe a and the air pipe b.
An LNG gas supply system is characterized by comprising the LNG gas supply protection device and a control panel; the gas storage tank is characterized in that a gas supply valve, a pressure increasing valve, a gasification regulating valve, a pressure regulating valve, an odorizing regulating valve and an overcurrent protection valve are sequentially arranged on a gas pipe b of the gas storage tank, the gas supply valve, the pressure increasing valve, the gasification regulating valve, the pressure regulating valve, the odorizing regulating valve and the overcurrent protection valve are electrically connected with a control panel, and the control panel is electrically connected with an external power supply.
Preferably, the air storage tank and the air conveying pipe b are respectively provided with an air storage tank manual emptying valve and an air conveying pipe b manual emptying valve.
Preferably, the gas storage tank is fixedly provided with a pressure gauge, and a probe of the pressure gauge extends into the gas storage tank.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the protective sleeves are arranged on the outer surfaces of the gas pipe a and the gas pipe b, the protective shell a and the protective shell b are connected together through the external threads and the internal threads, the joint of the gas pipe a and the gas pipe b is protected by using the occlusal force between the external threads and the internal threads, the problem of overflow during gas leakage is effectively avoided, and meanwhile, the protective shell a and the protective shell b are more tightly attached by using the rubber sponge cushion, so that the protective shell is further protected, and the protective effect is good;
(2) through all setting up two spacing rings on gas-supply pipe an and gas-supply pipe b, utilize the spacing ring to carry on spacingly to an installation section of thick bamboo, and then carry on spacingly to protecting crust an and protecting crust b to make protecting crust an and protecting crust b can not slide on gas-supply pipe an and gas-supply pipe b wantonly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a main view section of the protective cover of the present invention;
FIG. 3 is a schematic structural view of the air supply system control of the present invention;
in the figure: 1. a device main body; 2. a gas storage tank; 3. an air delivery pump; 4. a gas delivery pipe a; 5. a gas delivery pipe b; 6. a flange; 7. a protective sleeve; 8. mounting the cylinder; 9. sealing the bearing a; 10. a protective shell a; 11. a protective shell b; 12. a limiting ring; 13. a rubber gasket; 14. a manual blow-off valve for the gas reservoir; 15. a pressure gauge; 16. an air supply valve; 17. a pressure increasing valve; 18. a gasification regulating valve; 19. a pressure regulating valve; 20. odorizing the regulating valve; 21. an overcurrent protection valve; 22. a manual emptying valve of a gas transmission pipe b; 23. a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an LNG gas supply protection device comprises a device main body 1 and a gas storage tank 2, wherein a gas transmission pump 3 is fixedly arranged on the upper surface of the device main body 1, the gas transmission pump 3 is electrically connected with an external power supply, a gas inlet pipe of the gas transmission pump 3 is communicated with one end of a gas transmission pipe a4, the right side surface of the gas storage tank 2 is provided with a gas transmission pipe b5, the gas transmission pipe b5 is communicated with the gas transmission pipe a4 through a flange 6, the outer surfaces of the gas transmission pipe a4 and the gas transmission pipe b5 are provided with a protection sleeve 7, the protection sleeve 7 mainly comprises an installation cylinder 8, a protection shell a10 and a protection shell b11, the number of the installation cylinders 8, and the two mounting cylinders 8 are respectively connected on the outer surfaces of the air delivery pipe a4 and the air delivery pipe b5 in a sealing and sliding way, and the outer surfaces of the two installation cylinders 8 are respectively sleeved with a sealing bearing a9, the two sealing bearings a9 are respectively clamped on one side face of the protection shell a10 opposite to the protection shell b11, and the protection shell a10 is connected with the protection shell b11 through threads.
In this embodiment, the type of the air pump 3 may be M30B-a; the control panel 23 may be of the type 6AV6545-OBC15-2AX 0.
In this embodiment, after a worker connects the air pipe b5 on the air storage tank 2 with the air pipe a4 on the air pump 3 through the flange 6, the worker holds the protective shell a10 and the protective shell b11 with two hands to approach each other, so that the mounting tube 8 slides on the air pipe a4 or the air pipe b5, the rubber gasket 13 is placed between the protective shell a10 and the protective shell b11, the protective shell a10 and the protective shell b11 rotate on the mounting tube 8 through the sealing bearing a9, and the protective shell a10 and the protective shell b11 are connected together through the external thread and the internal thread, so as to protect the connection between the air pipe a4 and the air pipe b5, during the air transportation process, the air supply valve 16, the pressurization valve 17, the gasification regulating valve 18, the pressure regulating valve 19, the deodorization regulating valve 20 and the over-flow protection valve 21 are controlled to be closed through the control panel 23, the pressure gauge 15 is used to check the pressure change inside the air storage tank 2, the gas in the gas tank 2 and the gas pipe b5 is respectively emptied by the gas tank manual emptying valve 14 and the gas pipe b manual emptying valve 22.
Furthermore, the outer surface of the convex part of the right side surface of the protective shell a10 is provided with an external thread, the inner side wall of the concave part of the left side surface of the protective shell b11 is provided with an internal thread, and the protective shell a10 and the protective shell b11 are fixedly connected through the external thread and the internal thread.
In this embodiment, the protective cover 7 formed by mounting the protective cover a10 and the protective cover b11 together has a better protective effect by providing the external thread and the internal thread between the protective cover a10 and the protective cover b11 and using the thread engagement force between the internal thread and the external thread.
Further, a rubber packing 13 is provided between the protective shell a10 and the protective shell b 11.
In this embodiment, the rubber packing 13 is used to make the joint between the protective shell a10 and the protective shell b11 more tight, and further protect the joint between the air pipe a4 and the air pipe b 5.
Further, the outer surfaces of the air pipe a4 and the air pipe b5 are respectively and fixedly connected with two limiting rings 12, and the four limiting rings 12 are arranged on the left side and the right side of the two mounting cylinders 8 in pairs.
In this embodiment, the limiting ring 12 is arranged, so that the installation barrel 8 is effectively prevented from sliding on the air delivery pipe a4 and the air delivery pipe b 5.
Further, the protective cover 7 is located outside the flange 6 at the connection of the air supply pipe a4 and the air supply pipe b 5.
In this embodiment, the joint of the air pipe a4 and the air pipe b5 is protected by the protective sleeve 7, so that the air is prevented from overflowing the protective sleeve 7 when leaking.
An LNG supply system comprises the LNG supply protection device and a control panel 23; the gas pipe b5 of the gas storage tank 2 is sequentially provided with a gas supply valve 16, a pressure increasing valve 17, a gasification regulating valve 18, a pressure regulating valve 19, an odorizing regulating valve 20 and an overcurrent protection valve 21, the gas supply valve 16, the pressure increasing valve 17, the gasification regulating valve 18, the pressure regulating valve 19, the odorizing regulating valve 20 and the overcurrent protection valve 21 are all electrically connected with the control panel 23, and the control panel 23 is electrically connected with an external power supply.
Further, the air storage tank 2 and the air pipe b5 are respectively provided with an air storage tank manual emptying valve 14 and an air pipe b manual emptying valve 22.
In this embodiment, the gas in the gas storage tank 2 and the gas on the gas pipe b5 can be evacuated by setting the manual evacuation valve of the gas outlet pipe and the manual evacuation valve 22 of the gas pipe b.
Further, a pressure gauge 15 is fixedly installed on the gas storage tank 2, and a probe of the pressure gauge 15 extends into the gas storage tank 2.
In this embodiment, detect 2 internal pressure values of gas holder through setting up manometer 15, make things convenient for people to master the pressure condition of 2 insides of gas holder.
The utility model discloses a theory of operation and use flow: after a worker connects the air pipe b5 on the air storage tank 2 with the air pipe a4 on the air pump 3 through the flange 6, the worker holds the protective shell a10 and the protective shell b11 to be close to each other with two hands respectively, so that the mounting cylinder 8 slides on the air pipe a4 or the air pipe b5, the rubber sealing gasket 13 is arranged between the protective shell a10 and the protective shell b11, the protective shell a10 and the protective shell b11 rotate on the mounting cylinder 8 through the sealing bearing a9 respectively, the protective shell a10 and the protective shell b11 are connected together through external threads and internal threads, so that the connection part of the air pipe a4 and the air pipe b5 is protected, in the air conveying process, the air supply valve 16, the pressurization valve 17, the gasification regulating valve 18, the pressure regulating valve 19, the deodorization regulating valve 20 and the overflow protecting valve 21 are controlled to be closed through the control panel 23, the pressure change in the pressure gauge 15 is checked, and the manual air storage tank 362 and the air storage tank 35 b 35 and the manual air storage tank 5 b 35 are emptied through the manual valve 14 and the manual air valve 22 b The gas inside.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a LNG gas supply protector, includes device main part (1) and gas holder (2), its characterized in that: the device is characterized in that an air delivery pump (3) is fixedly arranged on the upper surface of the device main body (1), the air delivery pump (3) is electrically connected with an external power supply, an air inlet pipe of the air delivery pump (3) is communicated with one end of an air delivery pipe a (4), an air delivery pipe b (5) is arranged on the right side surface of the air storage tank (2), the air delivery pipe b (5) is communicated with the air delivery pipe a (4) through a flange (6), protective sleeves (7) are arranged on the outer surfaces of the air delivery pipe a (4) and the air delivery pipe b (5), each protective sleeve (7) mainly comprises an installation cylinder (8), a protective shell a (10) and a protective shell b (11), the installation cylinders (8) are two in number, the two installation cylinders (8) are respectively connected to the outer surfaces of the air delivery pipe a (4) and the protective shell b (5) in a sealing sliding mode, and sealing bearings a (9) are sleeved on the outer surfaces of the two installation, and two sealing bearings a (9) are respectively clamped on one side face of the protection shell a (10) opposite to the protection shell b (11), and the protection shell a (10) is connected with the protection shell b (11) through threads.
2. An LNG gas supply guard according to claim 1, characterised in that: the outer surface of the convex part of the right side face of the protective shell a (10) is provided with an external thread, the inner side wall of the concave part of the left side face of the protective shell b (11) is provided with an internal thread, and the protective shell a (10) and the protective shell b (11) are fixedly connected through the external thread and the internal thread.
3. An LNG gas supply guard according to claim 1, characterised in that: and a rubber sealing gasket (13) is arranged between the protective shell a (10) and the protective shell b (11).
4. An LNG gas supply guard according to claim 1, characterised in that: the outer surfaces of the gas conveying pipe a (4) and the gas conveying pipe b (5) are respectively fixedly connected with two limiting rings (12), and the four limiting rings (12) are arranged on the left side and the right side of the two mounting cylinders (8) in pairs.
5. An LNG gas supply guard according to claim 1, characterised in that: the protective sleeve (7) is positioned outside the flange (6) at the joint of the air pipe a (4) and the air pipe b (5).
6. An LNG gas supply system which characterized in that: comprising an LNG feed protection and control panel (23) according to any of claims 1-5; gas supply valve (16), booster valve (17), gasification governing valve (18), pressure regulating valve (19), odorizing governing valve (20) and overflow protection valve (21) have set gradually on the gas-supply pipe b (5) of gas holder (2), electric connection between gas supply valve (16), booster valve (17), gasification governing valve (18), pressure regulating valve (19), odorizing governing valve (20) and overflow protection valve (21) all and control panel (23), control panel (23) and external power supply electric connection.
7. An LNG supply system according to claim 6, characterized in that: and the air storage tank (2) and the air conveying pipe b (5) are respectively provided with an air storage tank manual emptying valve (14) and an air conveying pipe b manual emptying valve (22).
8. An LNG supply system according to claim 6, characterized in that; still fixed mounting has manometer (15) on gas holder (2), the probe of manometer (15) extends to inside gas holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697513.0U CN209819209U (en) | 2019-05-17 | 2019-05-17 | LNG gas supply protector and LNG gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697513.0U CN209819209U (en) | 2019-05-17 | 2019-05-17 | LNG gas supply protector and LNG gas supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209819209U true CN209819209U (en) | 2019-12-20 |
Family
ID=68883515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920697513.0U Expired - Fee Related CN209819209U (en) | 2019-05-17 | 2019-05-17 | LNG gas supply protector and LNG gas supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209819209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061794A (en) * | 2021-11-25 | 2022-02-18 | 安徽皖控自动化仪表有限公司 | Stainless steel pressure gauge that security performance is high |
-
2019
- 2019-05-17 CN CN201920697513.0U patent/CN209819209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061794A (en) * | 2021-11-25 | 2022-02-18 | 安徽皖控自动化仪表有限公司 | Stainless steel pressure gauge that security performance is high |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |