CN113266760A - Residual gas recovery device for industrial gas transportation tank vehicle - Google Patents
Residual gas recovery device for industrial gas transportation tank vehicle Download PDFInfo
- Publication number
- CN113266760A CN113266760A CN202110547894.6A CN202110547894A CN113266760A CN 113266760 A CN113266760 A CN 113266760A CN 202110547894 A CN202110547894 A CN 202110547894A CN 113266760 A CN113266760 A CN 113266760A
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- gas
- communicated
- storage tank
- air
- air duct
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- 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
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/10—Connection to driving members
- F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
- F16J1/22—Connection to driving members with connecting-rods, i.e. pivotal connections with universal joint, e.g. ball-joint
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- 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
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
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- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
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- 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
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- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/031—Air
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- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of industrial gas transportation, in particular to a residual gas recovery device for an industrial gas transportation tank car, which comprises a transportation tank car, wherein the outer side of the other end of an air inlet pipe is communicated with a first gas storage tank, the residual gas on the inner side of the transportation tank car can be collected through a first gas storage tank and a second gas storage tank by the aid of a spring, a limiting rod, a chuck, a piston plate, a limiting plate, the first gas storage tank, the second gas storage tank, an air pump, a communication pipe and a sixth ball valve, the piston plate moves downwards along the inner side of the first gas storage tank under the action of the air pump, the gas on the inner side of the first gas storage tank flows to the inner side of the second gas storage tank, then the piston plate returns to the top of the inner side of the first gas storage tank under the action of the air pump, then the gas on the inner side of the transportation tank car can be continuously collected, and all the gas on the inner side of the transportation tank car can be discharged, the operation is simple, and the problem that the traditional tank body can not discharge all the gas inside the transport tank car is solved.
Description
Technical Field
The invention relates to the technical field of industrial gas transportation, in particular to a residual gas recovery device for an industrial gas transportation tank car.
Background
Pure nitrogen, pure oxygen, pure argon and other products prepared by air separation are mainly conveyed by a tank car, after a client unloads a liquid product, a certain residual gas is in the tank car, the residual gas pressure is higher (reaching 0.8MPa-1.2MPa) after partial tank car unloads the product and returns to a company in actual production, the highest pressure rise of a commonly adopted liquid filling pump can only reach 0.8MPa, so pressure relief is needed when refilling is carried out, the filling condition is met only when the pressure is below 0.6MPa, the leaked gas is high-purity oxygen, argon or nitrogen, the liquid is converted into 70-90m3 according to the production and sales difference of the company every month, the monthly loss reaches more than 6 ten thousand yuan, the larger the output is, the more the loss is, and when the residual gas on the inner side of the transportation tank car needs to be completely exhausted, the pressure on the inner side of a tank body of a common gas storage tank is increased along with the increase of the gas on the inner side of the tank body, when the pressure inside the tank body is equal to the pressure inside the transport tank car, the gas inside the tank body is not increased, and further, the residual gas inside the transport tank car cannot be completely discharged.
Disclosure of Invention
The invention aims to provide a residual gas recovery device for an industrial gas transportation tanker, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a residual gas recovery device for an industrial gas transportation tank car comprises a transportation tank car, wherein the outlet end of the transportation tank car is communicated with a gas pipe, the other end of the gas pipe is communicated with a gas inlet pipe, the outer side of the gas inlet pipe is communicated with a first ball valve and a first pressure release valve, the outer side of the other end of the gas inlet pipe is communicated with a first gas storage tank, the inner side of the left end of the first gas storage tank is communicated with a first pressure gauge, the outer side of the first gas storage tank is fixedly connected with a fixed plate, the inner side of the right end of the fixed plate is fixedly connected with a second gas storage tank, the inner side of the right end of the first gas storage tank is communicated with a communication pipe, the communication pipe is communicated with the second gas storage tank, the outer side of the communication pipe is communicated with a sixth ball valve, the top end of the fixed plate is fixedly connected with a gas, the other end intercommunication of first air duct has the air duct, and air duct and first gas holder intercommunication, the entrance point intercommunication of air pump has the third air duct, the outside intercommunication of third air duct has the fifth ball valve, the inboard intercommunication in top of second gas holder has the second manometer, the inboard fixedly connected with limiting plate in top of first gas holder, the bottom outside block of limiting plate has block device, block device's one end fixedly connected with piston plate, and piston plate and first gas holder sliding connection, the bottom fixedly connected with controller of fixed plate.
Preferably, the clamping device comprises a spring, a limiting rod and a chuck, the inner side of the piston plate is fixedly connected with the spring, the other end of the spring is fixedly connected with the limiting rod, the limiting rod is connected with the piston plate in a sliding mode, and the other end of the limiting rod is fixedly connected with the chuck.
Preferably, the number of the limiting plates is two, and the limiting plates are symmetrically distributed on the left side and the right side of the vertical center line of the first storage tank.
Preferably, the clamping grooves are formed in the left end and the right end of the limiting plate, and the clamping head is clamped with the limiting plate through the clamping grooves.
Preferably, the right end of the first air duct is communicated with an air outlet duct, the outer side of the air outlet duct is communicated with a third ball valve, the inner side of the top end of the third air duct is communicated with a second air duct, the second air duct is communicated with the first air storage tank, and the outer side of the second air duct is communicated with a fourth ball valve.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, through the arrangement of the spring, the limiting rod, the chuck, the piston plate, the limiting plate, the first air storage tank, the second air storage tank, the air pump, the communicating pipe and the sixth ball valve, residual air on the inner side of the transport tank car can be collected through the first air storage tank and the second air storage tank, when the pressure on the inner side of the first air storage tank is the same as the pressure on the inner side of the transport tank car, the piston plate moves downwards along the inner side of the first air storage tank under the action of the air pump, so that the air on the inner side of the first air storage tank flows to the inner side of the second air storage tank, then the piston plate returns to the top of the inner side of the first air storage tank again under the action of the air pump, so that the pressure on the inner side of the first air storage tank is smaller than the pressure on the inner side of the transport tank car, then the collection of the air on the inner side of the transport tank car can be continuously carried out, and the operation is simple, the problem that the traditional tank body can not discharge all gas on the inner side of the transport tank car is solved.
2. According to the invention, through the arrangement of the spring, the limiting rod, the chuck, the piston plate and the limiting plate, when the piston plate is positioned at the top of the inner side of the first gas storage tank, the piston plate can be limited and fixed under the action of the chuck and the limiting plate, so that the piston plate can not influence the normal exhaust of the transport tank car to the inner side of the first storage tank when gas is input to the inner side of the first storage tank.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the mounting structure of the chuck of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at point A in accordance with the present invention;
fig. 4 is a schematic structural diagram of the limiting plate of the invention.
In the figure: 1-clamping device, 101-spring, 102-limiting rod, 103-clamping head, 2-limiting plate, 3-clamping groove, 4-piston plate, 5-transport tank car, 6-gas pipe, 7-gas inlet pipe, 8-first ball valve, 9-first pressure relief valve, 10-first gas storage tank, 11-first pressure gauge, 12-gas guide pipe, 13-second pressure relief valve, 14-second ball valve, 15-first gas guide pipe, 16-third ball valve, 17-gas outlet pipe, 18-fourth ball valve, 19-second gas guide pipe, 20-gas pump, 21-third gas guide pipe, 22-fifth ball valve, 23-fixing plate, 24-controller, 25-communicating pipe, 26-sixth ball valve, 27-second gas storage tank, 28-second pressure gauge.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution:
the residual gas recovery device for the industrial gas transportation tank wagon comprises a transportation tank wagon 5, wherein an outlet end of the transportation tank wagon 5 is communicated with a gas pipe 6, the other end of the gas pipe 6 is communicated with a gas inlet pipe 7, the outer side of the gas inlet pipe 7 is communicated with a first ball valve 8 and a first pressure release valve 9, the outer side of the other end of the gas inlet pipe 7 is communicated with a first gas storage tank 10, the inner side of the left end of the first gas storage tank 10 is communicated with a first pressure gauge 11, the outer side of the first gas storage tank 10 is fixedly connected with a fixing plate 23, the inner side of the right end of the fixing plate 23 is fixedly connected with a second gas storage tank 27, the inner side of the right end of the first gas storage tank 10 is communicated with a communicating pipe 25, the communicating pipe 25 is communicated with the second gas storage tank 10, the outer side of the communicating pipe 25 is communicated with a sixth ball valve 26, the top end of the fixing plate 23 is fixedly connected with a gas pump 20, and the outlet end of the gas pump 20 is communicated with a first gas guide pipe 15, the outside intercommunication of first air duct 15 has second relief valve 13 and second ball valve 14, the other end intercommunication of first air duct 15 has air duct 12, and air duct 12 and first gas holder 10 intercommunication, the entrance point intercommunication of air pump 20 has third air duct 21, the outside intercommunication of third air duct 21 has fifth ball valve 22, the inboard intercommunication in top of second gas holder 27 has second manometer 28, the inboard fixedly connected with limiting plate 2 in top of first gas holder 10, the bottom outside block of limiting plate 2 has block device 1, the one end fixedly connected with piston plate 4 of block device 1, and piston plate 4 and first gas holder 10 sliding connection, the bottom fixedly connected with controller 24 of fixed plate 23.
The clamping device 1 comprises a spring 101, a limiting rod 102 and a clamping head 103, the inner side of the piston plate 4 is fixedly connected with the spring 101, the other end of the spring 101 is fixedly connected with the limiting rod 102, the limiting rod 102 is connected with the piston plate 4 in a sliding manner, the other end of the limiting rod 102 is fixedly connected with the clamping head 103, the clamping head 103 can be limited through the spring 101, the number of the limiting plates 2 is two, the limiting plates 2 are symmetrically distributed on the left side and the right side of the vertical central line of the first storage tank 10, the stability during fixing is improved, the left end and the right end of each limiting plate 2 are respectively provided with a clamping groove 3, the clamping head 103 is clamped with the limiting plates 2 through the clamping grooves 3, the clamping head 103 and the limiting plates 2 are conveniently clamped together, the right end of the first air duct 15 is communicated with an air outlet pipe 17, the outer side of the air outlet pipe 17 is communicated with a third ball valve 16, and the inner side of the top end of the third air duct 21 is communicated with a second air duct 19, and second air duct 19 and first gas holder 10 intercommunication, the outside intercommunication of second air duct 19 has fourth ball valve 18, is convenient for realize exhausting or bleeding to first gas holder 10 inboard.
The working process is as follows: when the pressure gauge is used, power is supplied by an external power supply, a worker firstly communicates a gas pipe 6 with a transport tank car 5 and a gas inlet pipe 7, a first ball valve 8, a first pressure relief valve 9 and a sixth ball valve 26 are opened, the rest ball valves and the pressure relief valves are closed, then the pressure inside the transport tank car 5 is higher than the pressure inside a first gas storage tank 10 and a second gas storage tank 27, gas inside the transport tank car 5 can be discharged into the first gas storage tank 10 through the gas pipe 6, the first ball valve 8, the first pressure relief valve 9 and the gas inlet pipe 7, then the gas inside the first gas storage tank 10 is discharged into the inside of the second gas storage tank 27 through a communication pipe 25 and the sixth ball valve 26, meanwhile, the pressure inside the first gas storage tank 10 and the second gas storage tank 27 is observed in real time through a first pressure gauge 11 and a second pressure gauge 28, when the pressure of the first pressure gauge 11 and the second pressure gauge 28 is not changed, the pressure inside the first gas storage tank 10 and the second gas storage tank 27 is equal to the pressure inside the transport tank car 5, then the first ball valve 8 and the first pressure relief valve 9 are closed, only the sixth ball valve 26, the fifth ball valve 22, the second pressure relief valve 13 and the second ball valve 14 are opened, then the controller 24 controls the air pump 20 to work, so that the air pump 20 blows air into the upper surface of the piston plate 4 of the first air storage tank 10 through the third air duct 21, the fifth ball valve 22, the communication pipe 25, the second pressure relief valve 13, the second ball valve 14 and the air duct 12, as the pressure on the piston plate 4 gradually increases, when the pressure on the piston plate 4 is greater than the pressure on the lower side of the piston plate 4, the piston plate 4 can drive the chuck 103 to gradually separate from the limit plate 2, the air is gradually flowed to the inner side of the second storage tank 27 through the communication pipe 25 under the action of the piston plate 4, and when the air on the inner side of the first storage tank 10 is all flowed to the inner side of the second storage tank 27, the sixth ball valve 26, the second pressure relief valve 13 and the second ball valve 13 are closed at this time, Second ball valve 14 and fifth ball valve 22, then open fourth ball valve 18 and third ball valve 16, then make air pump 20 pass through second air duct 19, first air duct 15 and outlet duct 17 and outwards discharge the gas of piston plate 4 upside gradually, piston plate 4 also can upwards slide along the inboard of first holding vessel 10 under the effect of negative pressure simultaneously, until dop 103 of piston plate 4 inboard and draw-in groove 3 block of limiting plate 2 inboard, then transportation tank wagon 5 alright again to carrying gas in the first holding vessel 10, until the inboard gas of transportation tank wagon 5 all discharges.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (5)
1. The utility model provides an industrial gas transport is surplus gas recovery unit for tank wagon, includes transport tank wagon (5), its characterized in that: the conveying tank wagon is characterized in that an outlet end of the conveying tank wagon (5) is communicated with a gas pipe (6), the other end of the gas pipe (6) is communicated with a gas inlet pipe (7), the outer side of the gas inlet pipe (7) is communicated with a first ball valve (8) and a first pressure release valve (9), the other end of the gas inlet pipe (7) is communicated with a first gas storage tank (10), the inner side of the left end of the first gas storage tank (10) is communicated with a first pressure gauge (11), the outer side of the first gas storage tank (10) is fixedly connected with a fixed plate (23), the inner side of the right end of the fixed plate (23) is fixedly connected with a second gas storage tank (27), the inner side of the right end of the first gas storage tank (10) is communicated with a communicating pipe (25), the communicating pipe (25) is communicated with the second gas storage tank (10), the outer side of the communicating pipe (25) is communicated with a sixth ball valve (26), and the top end of the fixed plate (23) is fixedly connected with a gas pump (20), the air pump is characterized in that an outlet end of the air pump (20) is communicated with a first air duct (15), the outer side of the first air duct (15) is communicated with a second pressure release valve (13) and a second ball valve (14), the other end of the first air duct (15) is communicated with an air duct (12), the air duct (12) is communicated with a first air storage tank (10), an inlet end of the air pump (20) is communicated with a third air duct (21), the outer side of the third air duct (21) is communicated with a fifth ball valve (22), the inner side of the top end of the second air storage tank (27) is communicated with a second pressure gauge (28), the inner side of the top end of the first air storage tank (10) is fixedly connected with a limiting plate (2), the outer side of the bottom end of the limiting plate (2) is clamped with a clamping device (1), one end of the clamping device (1) is fixedly connected with a piston plate (4), and the piston plate (4) is slidably connected with the first air storage tank (10), the bottom end of the fixed plate (23) is fixedly connected with a controller (24).
2. The residual gas recovery device for industrial gas transportation tanker according to claim 1, characterized in that: clamping device (1) includes spring (101), gag lever post (102) and dop (103), inboard fixedly connected with spring (101) of piston plate (4), the other end fixedly connected with gag lever post (102) of spring (101), and gag lever post (102) and piston plate (4) sliding connection, the other end fixedly connected with dop (103) of gag lever post (102).
3. The residual gas recovery device for industrial gas transportation tanker according to claim 1, characterized in that: the number of the limiting plates (2) is two, and the limiting plates (2) are symmetrically distributed on the left side and the right side of the vertical center line of the first storage tank (10).
4. The residual gas recovery device for industrial gas transportation tanker according to claim 1, characterized in that: clamping grooves (3) are formed in the left end and the right end of the limiting plate (2), and the clamping head (103) is clamped with the limiting plate (2) through the clamping grooves (3).
5. The residual gas recovery device for industrial gas transportation tanker according to claim 1, characterized in that: the right end of the first air duct (15) is communicated with an air outlet duct (17), the outer side of the air outlet duct (17) is communicated with a third ball valve (16), the inner side of the top end of the third air duct (21) is communicated with a second air duct (19), the second air duct (19) is communicated with the first air storage tank (10), and the outer side of the second air duct (19) is communicated with a fourth ball valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547894.6A CN113266760B (en) | 2021-05-19 | 2021-05-19 | Residual gas recovery device for industrial gas transportation tank vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547894.6A CN113266760B (en) | 2021-05-19 | 2021-05-19 | Residual gas recovery device for industrial gas transportation tank vehicle |
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| CN113266760A true CN113266760A (en) | 2021-08-17 |
| CN113266760B CN113266760B (en) | 2022-08-23 |
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| CN204534106U (en) * | 2014-12-25 | 2015-08-05 | 天津市同源应用核技术有限公司 | Application gas boosting technology recycles the device of valuable helium 3 gas |
| CN204387670U (en) * | 2015-01-13 | 2015-06-10 | 余超鹏 | A kind of energy-saving coal gas tank |
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| Publication number | Publication date |
|---|---|
| CN113266760B (en) | 2022-08-23 |
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