CN112050083A - Skid-mounted integrated dewar gas supply device - Google Patents
Skid-mounted integrated dewar gas supply device Download PDFInfo
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- CN112050083A CN112050083A CN202010921971.5A CN202010921971A CN112050083A CN 112050083 A CN112050083 A CN 112050083A CN 202010921971 A CN202010921971 A CN 202010921971A CN 112050083 A CN112050083 A CN 112050083A
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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
- F17C13/08—Mounting arrangements for vessels
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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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
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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
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
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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
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
- F17C5/04—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases requiring the use of refrigeration, e.g. filling with helium or hydrogen
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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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0157—Details of mounting arrangements for transport
- F17C2205/0161—Details of mounting arrangements for transport with wheels
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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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
-
- 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
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/0509—"Dewar" vessels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a skid-mounted integrated Dewar gas supply device, which comprises a pressure reducing valve bank control box body, a Dewar bottle and a high-pressure gas bottle, wherein the Dewar bottle is arranged in the Dewar bottle; the Dewar flask is a main gas supply source, the high-pressure gas bottle is an auxiliary gas supply source, a plurality of valves and controllers are arranged in the pressure reducing valve group control box body, automatic switching of the main gas supply source and the auxiliary gas supply source is achieved, the gas supply device has an under-pressure and overpressure alarm function, automatic gas supply of the whole device is achieved, operation personnel are reminded of replacing the Dewar flask and the high-pressure gas bottle in time, and the reliability of safe operation of the gas supply device is high; the tray and the movable trolley are arranged, so that the whole gas supply device is convenient to assemble, disassemble and carry, the flexibility of the device is improved, and the gas supply station building cost is reduced to shorten the construction period.
Description
Technical Field
The invention relates to the technical field of gas supply, in particular to a skid-mounted integrated Dewar gas supply device.
Background
With the rapid development of national economy, gas products such as oxygen, nitrogen, argon and the like are more and more widely applied, and are mainly used in various industries such as electronics, aerospace, metallurgy, bioengineering, novel materials, medical treatment, cutting and welding, food, 3D printing and the like.
The air supply equipment in the prior art generally adopts a Dewar flask or a high-pressure gas bottle for air supply, low-temperature liquefied gas contained in the Dewar flask and high-pressure compressible gas contained in the gas bottle. Because the dewar bottle has the advantages of large gas storage capacity, small occupied area, high gas quality, low cost, low safety risk, flexible use and the like compared with a gas bottle, the dewar bottle is more and more widely applied. However, when the Dewar flask supplies air, the pressurization valve must be manually opened to pressurize and provide air supply power, so that the automation of air supply is difficult to realize, air is cut off when the bottle is not replaced in time, and the safety operation reliability is not high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a skid-mounted integrated dewar gas supply device, which solves the problem that a dewar bottle in the gas supply device in the prior art is low in operation reliability.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the skid-mounted integrated dewar gas supply device comprises a pressure reducing valve bank control box body, a dewar bottle and a high-pressure gas bottle;
the pressure reducing valve group control box body comprises a control box and a pressure reducing valve group box; the control box comprises a controller, a Dewar flask gas supply pressure gauge, an output pressure gauge, a high-pressure gas cylinder gas supply pressure gauge, a sound alarm device and a high-pressure gas cylinder gas supply indicator lamp; a pressure reducing valve assembly is arranged in the pressure reducing valve group box, the pressure reducing valve assembly comprises an air supply outlet pipe with three pipe orifices, an air supply pressure leading pipe is arranged on the air supply outlet pipe, and an output pressure gauge is arranged on the air supply pressure leading pipe;
the pipe orifices on the two sides of the gas supply outlet pipe are respectively communicated with a Dewar flask gas inlet pipe and a high-pressure gas cylinder gas inlet pipe, and the third pipe orifice of the gas supply outlet pipe is connected with a gas source;
a Dewar flask air supply pressure reducer, an air pressure sensor and a one-way valve are arranged between the Dewar flask air inlet pipe and the air supply outlet pipe; the air pressure sensor is electrically connected with the sound alarm device through the controller; a Dewar flask pressure guide pipe is arranged on the Dewar flask air inlet pipe, and a Dewar flask air supply pressure gauge is arranged on the Dewar flask pressure guide pipe;
a gas supply electromagnetic valve and a gas pressure sensor of the high-pressure gas cylinder are arranged between the gas inlet pipe and the gas supply outlet pipe of the high-pressure gas cylinder; the high-pressure gas cylinder gas supply electromagnetic valve through hole controller is respectively electrically connected with the air pressure sensor and the high-pressure gas cylinder gas supply indicator lamp; the high-pressure gas cylinder gas supply electromagnetic valve, the air pressure sensor and the high-pressure gas cylinder gas supply indicator lamp are respectively electrically connected with the controller; the high-pressure gas cylinder pressure gauge is arranged on the high-pressure gas cylinder pressure leading pipe.
The characteristic that the Dewar bottle has large gas storage is utilized, the Dewar bottle is used as a main gas supply source, the high-pressure gas bottle is used as an auxiliary gas supply source, when the Dewar bottle has insufficient gas pressure, the gas pressure sensor transmits the information that the Dewar bottle has insufficient gas pressure to the controller in the control box, the controller starts a gas supply electromagnetic valve of the high-pressure gas bottle, the high-pressure gas bottle is connected into a gas supply system, the high-pressure gas bottle is used for emergency gas supply of the whole device, meanwhile, the controller controls the sound alarm device to work to send out an alarm and controls a gas supply indicator lamp of the high-pressure gas bottle to be turned on, and an operator is reminded that the Dewar bottle has too low gas pressure and is timely replaced, so that; when the dewar bottle is replaced in time, the gas supply pressure of the dewar bottle is normal, and the sound alarm device and the gas supply indicator lamp of the high-pressure gas bottle stop working and recover to the initial state; the process is repeated continuously, continuous and uninterrupted gas supply of the skid-mounted integrated Dewar gas supply device is realized, the risk of gas interruption is avoided, an operator is not required to be on duty on the spot for a long time, the gas supply device is high in safe operation reliability, and the pressure reducing valve assembly controls the gas supply pressure of the Dewar bottle gas supply source and the high-pressure gas bottle gas supply source so as to achieve the pressure parameter required by gas use.
The device comprises a Dewar flask, a pressure reducing valve group control box body, a Dewar flask, a pressure reducing valve group, a pressure regulating valve and a pressure regulating valve, wherein the Dewar flask is provided with two Dewar flasks, and a Dewar flask gas supply assembly is arranged between the Dewar flask and the pressure reducing valve group control box body and comprises a vaporizer and a Dewar flask; the Dewar flask gas supply busbar comprises a liquid supply main pipe with three pipe orifices, one pipe orifice on the liquid supply main pipe is communicated with the vaporizer through a pipeline, and the other two pipe orifices are respectively communicated with the two Dewar flasks through pipelines;
a low-temperature discharge valve, a low-temperature liquid inlet valve and a liquid pressure gauge are respectively arranged on the pipeline of the liquid supply main pipe communicated with the two Dewar flasks; a safety valve is arranged on a pipeline for communicating the liquid supply main pipe with the vaporizer;
the vaporizer is provided with a main gas supply pipe communicated with the interior of the vaporizer, and the main gas supply pipe is communicated with the Dewar flask gas inlet pipe through a pipeline. The vaporizer vaporizes the low-temperature liquefied gas in the Dewar flask into normal-temperature gas, and outputs the normal-temperature gas into the Dewar flask gas inlet pipe through the gas supply main pipe, thereby being convenient for users to use directly;
one of the two Dewar flasks is a standby Dewar flask, so that the safety operation reliability of the device is further improved, and the two Dewar flasks are communicated with an air supply outlet pipe on the pressure reducing valve assembly through a Dewar flask air supply assembly; the control supplies liquid main pipe and low temperature discharge valve, low temperature feed liquor valve and liquid pressure gauge on the pipeline of two dewar bottle intercommunications, realizes the alternative use of dewar bottle air feed subassembly control, two dewar bottles of monitoring, lasts the air feed for whole sled dress integrated form dewar air feeder.
Furthermore, in order to control the gas in the vaporizer to be conveyed into the pressure reducing valve assembly, the gas supply main pipe is made of an anticorrosive low-temperature-resistant stainless steel pipe, and a stop valve and an emptying valve are arranged on the gas supply main pipe.
Further, in order to collect the condensed water of a large amount of water condensed in the air of the vaporizer in the using process, the dewar bottle air supply assembly further comprises a condensed water collecting tray, the condensed water collecting tray is of a hollow shell structure with an open top, the condensed water collecting tray is arranged at the bottom of the vaporizer, and a condensed water concentrated discharge port is formed in the side wall of the condensed water collecting tray.
Furthermore, two high-pressure gas cylinders are provided, a gas supply high-pressure main pipe with three pipe orifices is arranged between the two high-pressure gas cylinders and the pressure reducing valve group box, a high-pressure gas cylinder pressure gauge is arranged on the gas supply high-pressure main pipe, and one pipe orifice on the gas supply high-pressure main pipe is communicated with a high-pressure gas cylinder gas inlet pipe through a pipeline; the other two pipe orifices are respectively communicated with the two high-pressure gas cylinders through pipelines; a stop valve and a filter are arranged on a pipeline for communicating the gas supply high-pressure main pipe with the gas inlet pipe of the high-pressure gas cylinder; the pipelines of the air supply high-pressure main pipe and the two high-pressure air cylinders are both provided with an emptying valve and a stop valve. One of the two high-pressure gas cylinders is a standby high-pressure gas cylinder, and a stop valve arranged on the gas supply high-pressure main pipe is used for controlling the high-pressure gas cylinder to supply gas to the gas inlet pipe of the high-pressure gas cylinder to be opened and closed; the emptying valve is used for emptying air in the air supply high-pressure main pipe and providing gas with higher purity for the air inlet pipe of the high-pressure air bottle; the filter is arranged to eliminate particle impurities in the pipeline, ensure the safety of gas supply, reduce faults and prolong the service life of the device.
Furthermore, the skid-mounted integrated Dewar air supply device also comprises a tray, and through holes for the forklift legs to pass through are formed in the side wall of the tray; the pressure reducing valve group control box body and the Dewar flask air supply assembly are arranged at the top of the tray. The tray is used for bearing the pressure reducing valve group control box body and the Dewar flask air supply assembly, and the tray is convenient for the power fork truck to load and unload and move.
Furthermore, the bottoms of the Dewar flask and the high-pressure gas cylinder are respectively provided with a movable trolley. The arrangement of the movable trolley facilitates the movement of the Dewar flask and the high-pressure gas bottle, and the flexibility of the device is improved.
The invention has the beneficial effects that: according to the invention, the Dewar flask and the high-pressure gas bottle are used for supplying gas to the gas supply device comprehensively, the pressure reducing valve group control box automatically monitors the gas supply pressure of the gas supply device, the alarm is given out under pressure and overpressure, the operator on duty is reminded, and the reliability of the safe operation of the gas supply device is higher; the pallet is arranged, the loading, unloading and moving are convenient, a foundation is not required to be fixed during the installation, and the gas supply station building cost and the building period are reduced; the setting of comdenstion water collecting tray realizes that the comdenstion water is collected and is concentrated to be discharged, avoids causing the pollution to the surrounding environment, is applicable to trades such as medical oxygen suppliment, food air feed, semiconductor manufacturing air feed, scientific research air feed.
Drawings
Fig. 1 is a schematic structural diagram of a skid-mounted integrated dewar gas supply device.
Fig. 2 is a schematic structural diagram of a pressure reducing valve bank control box.
FIG. 3 is an enlarged schematic view of the pressure relief valve assembly.
Fig. 4 is a schematic diagram of the structure of the dewar gas supply assembly.
FIG. 5 is an enlarged schematic view of the dewar gas supply bus.
Fig. 6 is an enlarged schematic view of the main gas supply pipe.
Fig. 7 is an enlarged schematic structural view of the gas supply high-pressure main pipe.
Wherein, 1, the pressure reducing valve group controls the box body; 12. a control box; 1201. a controller; 1202. a Dewar flask gas supply pressure gauge; 1203. outputting a pressure gauge; 1204. a pressure gauge for supplying gas to the high-pressure gas cylinder; 1205. an audible alarm device; 1206. a gas supply indicator lamp of the high-pressure gas cylinder; 13. a pressure reducing valve group box; 1301. a pressure relief valve assembly; 1302. an air supply outlet pipe; 1303. a gas supply pressure leading pipe; 1304. a dewar flask inlet pipe; 1305. a Dewar flask pressure guiding pipe; 1306 a high-pressure gas cylinder inlet pipe; 1307. a pressure guiding pipe of a high-pressure gas cylinder; 2. a dewar flask; 3. a high pressure gas cylinder; 4. a dewar gas supply assembly; 41. a vaporizer; 42. a dewar bottle gas supply busbar; 43. a main liquid supply pipe; 44. a main gas supply pipe; 5. a condensate water collecting tray; 6. a condensed water centralized discharge port; 7. a gas supply high pressure main pipe; 8. a tray; 9. and (5) moving the trolley.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 7, the skid-mounted integrated dewar gas supply device provided by the invention comprises a pressure reducing valve bank control box body 1, a dewar bottle 2 and a high-pressure gas bottle 3; by utilizing the characteristic of large storage capacity of the Dewar flask 2, the Dewar flask 2 is used as a main gas supply source, and the high-pressure gas bottle 3 is used as an auxiliary gas supply source;
as shown in fig. 1, the bottom parts of the dewar 2 and the high pressure gas cylinder 3 are respectively provided with a movable trolley 9, so that the dewar 2 and the high pressure gas cylinder 3 can be conveniently moved by an operator, and the flexibility of the dewar 2 and the high pressure gas cylinder 3 is improved, so that the dewar is suitable for different application scenes;
as shown in fig. 2 and 3, the pressure reducing valve group control box body 1 includes a control box 12 and a pressure reducing valve group box 13; the control box 12 comprises a controller 1201, a Dewar flask air supply pressure gauge 1202, an output pressure gauge 1203, a high-pressure gas cylinder air supply pressure gauge 1204, a sound alarm device 1205 and a high-pressure gas cylinder air supply indicator lamp 1206;
a pressure reducing valve assembly 1301 is arranged in the pressure reducing valve group box 13, and the pressure reducing valve assembly 1301 is used for regulating the pressure of a dewar bottle gas supply source and a high-pressure gas bottle gas supply source so as to achieve the pressure parameters required by gas use;
the pressure reducing valve assembly 1301 comprises an air supply outlet pipe 1302, an air supply pressure leading pipe 1303 is arranged on the air supply outlet pipe 1302, an output pressure gauge 1203 is arranged on the air supply pressure leading pipe 1303, and the air supply pressure leading pipe 1303 is used for feeding back the pressure in the air supply outlet pipe 1302 to the output pressure gauge 1203, so that an operator can conveniently and visually know the pressure of the air in the air supply outlet pipe 1302 through the output pressure gauge 1203;
pipe orifices on two sides of the gas supply outlet pipe 1302 are respectively communicated with a Dewar flask gas inlet pipe 1304 and a high-pressure gas bottle gas inlet pipe 1306, and the remaining pipe orifices of the gas supply outlet pipe 1302 are gas sources;
a Dewar flask air supply pressure reducer, an air pressure sensor and a one-way valve are arranged between the Dewar flask air inlet pipe 1304 and the air supply outlet pipe 1302; the air pressure sensor is in electrical communication with an audible alarm 1205 through the controller 1201; a Dewar flask pressure guiding pipe 1305 is arranged on the Dewar flask air inlet pipe 1304, and a Dewar flask air supply pressure gauge 1202 is arranged on the Dewar flask pressure guiding pipe 1305;
the Dewar flask gas supply pressure reducer is arranged to reduce the pressure of the Dewar flask 2 gas supply to a set pressure, so as to meet the requirements of users; the air pressure sensor is used for monitoring the air supply pressure of the Dewar flask 2 in real time;
a high-pressure gas cylinder gas supply electromagnetic valve and a gas pressure sensor are arranged between the high-pressure gas cylinder gas inlet pipe 1306 and the gas supply outlet pipe 1302; the high-pressure gas cylinder gas supply electromagnetic valve through hole controller 1201 is respectively in telecommunication connection with the air pressure sensor and the high-pressure gas cylinder gas supply indicator lamp 1206; a high-pressure gas cylinder pressure guiding pipe 1307 is arranged on the high-pressure gas cylinder air inlet pipe 1306, and a high-pressure gas cylinder air supply pressure gauge 1204 is arranged on the high-pressure gas cylinder pressure guiding pipe 1307.
When the condition that the pressure of the Dewar bottle 2 is insufficient occurs, the pressure sensor transmits the information that the pressure of the Dewar bottle 2 is insufficient to the controller 1201 in the control box 2, the controller 1201 starts the air supply solenoid valve of the high-pressure air bottle, the high-pressure air bottle 3 is connected into an air supply system, the high-pressure air bottle 3 supplies air for the whole device in an emergency mode, meanwhile, the controller 1201 controls the sound alarm device 1205 to work to send an alarm and controls the air supply indicator 1206 of the high-pressure air bottle to light, the Dewar bottle 2 is reminded of reminding an operator that the pressure of the Dewar bottle 2 is too low, the Dewar bottle is replaced in time, and the phenomenon that air is; when the dewar bottle 2 is replaced in time, the gas supply pressure of the dewar bottle 2 is normal, the sound alarm device 1205 and the high-pressure gas bottle gas supply indicator 1206 stop working and return to the initial state; the process is repeated continuously, continuous and uninterrupted gas supply of the Dewar flask 2 gas supply device is realized, the risk of gas interruption is avoided, an operator is not required to be on duty on the spot for a long time, the gas supply device is high in safe operation reliability, and the pressure reducing valve assembly 1301 controls the gas supply pressure of the Dewar flask 2 gas supply source and the high-pressure gas bottle gas supply source so as to achieve the pressure parameter required by gas use.
As shown in fig. 4 to 6, further, two dewar bottles 2 may be provided, one of the two dewar bottles 2 is a standby dewar bottle, a dewar bottle air supply assembly 4 is provided between the dewar bottle and the pressure reducing valve set control box 1, and the dewar bottle air supply assembly 4 includes a vaporizer 41 and a dewar bottle air supply busbar 42; the dewar bottle gas supply busbar 42 comprises a liquid supply main pipe 43 with three pipe orifices, one pipe orifice on the liquid supply main pipe 43 is communicated with the vaporizer 41 through a pipeline, and the other two pipe orifices are respectively communicated with the two dewar bottles 2 through pipelines;
the pipeline of the liquid supply main pipe 43 communicated with the two dewar flasks is respectively provided with a low-temperature discharge valve, a low-temperature liquid inlet valve and a liquid pressure gauge; a safety valve is arranged on a pipeline for communicating the liquid supply main pipe 43 with the carburetor 41; the low-temperature discharge valve is arranged, so that when the Dewar flask 2 is connected, air in the pipeline is purged, and when the Dewar flask 2 is replaced, the air in the pipeline is discharged, so that the purity of supplied air is ensured; the low-temperature liquid inlet valve is used for opening or closing the Dewar flask to supply liquid into the vaporizer 41; the liquid pressure gauge is used for monitoring the air supply pressure of the Dewar flask 2; the safety valve is used for preventing overpressure explosion of the vaporizer 41 caused by excessive vaporization and overpressure of the liquefied gas;
the carburetor 41 is provided with a main gas supply pipe 44 communicating with the interior thereof, and the main gas supply pipe 44 communicates with a dewar inlet pipe 1304 via a pipe. The vaporizer 41 vaporizes the low-temperature liquefied gas in the dewar flask 2 into normal-temperature gas, and outputs the normal-temperature gas to the dewar flask air inlet pipe 1304 through the air supply main pipe 44, thereby being convenient for users to use;
the two dewars 22 are communicated with a gas supply outlet pipe 1302 on the pressure reducing valve assembly 1301 through the dewar gas supply assembly 4; the control supplies liquid main 43 and low temperature discharge valve, low temperature feed liquor valve and the liquid pressure gauge on the pipeline of two dewar bottle intercommunications, realizes dewar bottle air feed subassembly 4 control, monitors two dewar bottle 2's alternate use, for the continuous air feed of whole sled dress integrated form dewar air feeder, improves the safe operation reliability of device.
In order to control the gas in the vaporizer 41 to be delivered into the pressure reducing valve assembly 1301, the gas supply main pipe 44 is made of a corrosion-resistant and low-temperature resistant stainless steel pipe, and the gas supply main pipe 44 is provided with a stop valve and an air release valve.
As shown in fig. 1, in order to facilitate condensed water generated by condensing a large amount of moisture in air during the use of the vaporizer 41 and prevent the environment from being polluted by the condensed water, the dewar air supply assembly 4 further includes a condensed water collecting tray 5, the condensed water collecting tray 5 is a hollow shell structure with an open top, the condensed water collecting tray 5 is disposed at the bottom of the vaporizer 41, and a condensed water concentrated discharge port 6 is disposed on a side wall of the condensed water collecting tray 5.
The skid-mounted integrated Dewar air supply device also comprises a tray 8, and through holes for fork forks of a forklift to pass through are formed in the side wall of the tray 8; the pressure reducing valve group control box body 1 and the Dewar flask gas supply assembly 4 are both arranged at the top of the tray 8 to form a skid-mounted gas supply device; tray 8 is used for bearing decompression valves control box 1 and dewar bottle air feed assembly 4, and tray 8 is convenient for power fork truck loading and unloading and removal.
As shown in fig. 1 and 7, two high-pressure gas cylinders 3 may be provided, a gas supply high-pressure main pipe 7 having three pipe orifices is provided between the two high-pressure gas cylinders 3 and the pressure reducing valve group control box 1, a high-pressure gas cylinder pressure gauge is provided on the gas supply high-pressure main pipe 7, and one pipe orifice of the gas supply high-pressure main pipe 7 is communicated with a high-pressure gas cylinder inlet pipe 1306 through a pipeline; the other two pipe orifices are respectively communicated with the two high-pressure gas cylinders 3 through pipelines; a stop valve and a filter are arranged on a pipeline for communicating the gas supply high-pressure main pipe 7 with the high-pressure gas cylinder inlet pipe 1306; the pipelines of the air supply high-pressure main pipe 7 and the two high-pressure air cylinders 3 are both provided with an emptying valve and a stop valve. One of the two high-pressure gas cylinders 3 is a standby high-pressure gas cylinder 3, and a stop valve arranged on the gas supply high-pressure main pipe 7 is used for controlling the high-pressure gas cylinder 3 to open and close gas supply to a high-pressure gas cylinder gas inlet pipe 1306; the air release valve is used for removing air in the air supply high-pressure main pipe 7 and providing gas with higher purity for the high-pressure gas cylinder inlet pipe 1306; the filter is arranged to eliminate particle impurities in the pipeline, ensure the safety of gas supply, reduce faults and prolong the service life of the device.
Claims (6)
1. A skid-mounted integrated Dewar gas supply device comprises a Dewar bottle (2) and a high-pressure gas bottle (3), and is characterized by further comprising a pressure reducing valve group control box body (1) and a Dewar bottle gas supply assembly (4);
the pressure reducing valve bank control box body (1) comprises a control box (12) and a pressure reducing valve bank box (13); the control box (12) comprises a controller (1201), a Dewar flask air supply pressure gauge (1202), an output pressure gauge (1203), a high-pressure gas cylinder air supply pressure gauge (1204), a sound alarm device (1205) and a high-pressure gas cylinder air supply indicator lamp (1206);
a pressure reducing valve assembly (1301) is arranged in the pressure reducing valve group box (13), the pressure reducing valve assembly (1301) comprises an air supply outlet pipe (1302) with three pipe orifices, an air supply pressure leading pipe (1303) is arranged on the air supply outlet pipe (1302), and an output pressure gauge (1203) is arranged on the air supply pressure leading pipe (1303);
the pipe orifices on the two sides of the gas supply outlet pipe (1302) are respectively communicated with a Dewar flask gas inlet pipe (1304) and a high-pressure gas cylinder gas inlet pipe (1306), and the third pipe orifice of the gas supply outlet pipe (1302) is connected with a gas source;
a Dewar flask air supply pressure reducer, an air pressure sensor and a one-way valve are arranged between the Dewar flask air inlet pipe (1304) and the air supply outlet pipe (1302); the air pressure sensor is electrically connected with an acoustic alarm device (1205) through the controller (1201); a Dewar flask pressure guiding pipe (1305) is arranged on the Dewar flask air inlet pipe (1304), and the Dewar flask air supply pressure gauge (1202) is arranged on the Dewar flask pressure guiding pipe (1305);
a high-pressure gas cylinder gas supply electromagnetic valve and a gas pressure sensor are arranged between the high-pressure gas cylinder gas inlet pipe (1306) and the gas supply outlet pipe (1302); the high-pressure gas cylinder gas supply electromagnetic valve through hole controller (1201) is respectively electrically connected with the air pressure sensor and the high-pressure gas cylinder gas supply indicator lamp (1206); the high-pressure gas cylinder gas supply electromagnetic valve, the air pressure sensor and the high-pressure gas cylinder gas supply indicator lamp are respectively electrically connected with a controller (1201);
a high-pressure gas cylinder pressure guiding pipe (1307) is arranged on the high-pressure gas cylinder air inlet pipe (1306), and a high-pressure gas cylinder air supply pressure gauge (1204) is arranged on the high-pressure gas cylinder pressure guiding pipe (1307);
the number of the Dewar flasks is two, the Dewar flask air supply assembly (4) is arranged between the Dewar flask (2) and the pressure reducing valve group control box body (1), and the Dewar flask air supply assembly (4) comprises a vaporizer (41) and a Dewar flask air supply bus bar (42); the Dewar flask gas supply bus bar (42) comprises a liquid supply main pipe (43) with three pipe orifices, one pipe orifice on the liquid supply main pipe (43) is communicated with the vaporizer (41) through a pipeline, and the other two pipe orifices are respectively communicated with the two Dewar flasks (2) through pipelines;
a low-temperature discharge valve, a low-temperature liquid inlet valve and a liquid pressure gauge are respectively arranged on the pipeline of the liquid supply main pipe (43) communicated with the two Dewar flasks (2); a safety valve is arranged on a pipeline for communicating the liquid supply main pipe (43) with the carburetor (41);
be provided with on vaporizer (41) rather than the inside air feed person in charge (44) of intercommunication, air feed person in charge (44) are through pipeline and dewar bottle intake pipe (1304) intercommunication.
2. The skid-mounted integrated dewar gas supply device according to claim 1, wherein the gas supply main pipe (44) is made of corrosion-resistant and low temperature-resistant stainless steel pipe, and the gas supply main pipe (44) is provided with a stop valve and an air release valve.
3. The skid-mounted integrated dewar gas supply device according to claim 1, wherein the dewar gas supply assembly (4) further comprises a condensed water collecting tray (5), the condensed water collecting tray (5) is a hollow shell structure with an open top, the condensed water collecting tray (5) is arranged at the bottom of the vaporizer (41), and a condensed water concentrated discharge port (6) is arranged on the side wall of the condensed water collecting tray (5).
4. The skid-mounted integrated Dewar gas supply device according to claim 1, wherein the number of the high-pressure gas cylinders (3) is two, a gas supply high-pressure main pipe (7) with three pipe orifices is arranged between the two high-pressure gas cylinders (3) and the pressure reducing valve group box (13), a high-pressure gas cylinder pressure gauge is arranged on the gas supply high-pressure main pipe (7), one pipe orifice on the gas supply high-pressure main pipe (7) is communicated with the high-pressure gas cylinder gas inlet pipe (1306) through a pipeline, and the other two pipe orifices are respectively communicated with the two high-pressure gas cylinders (3) through pipelines;
a stop valve and a filter are arranged on a pipeline for communicating the gas supply high-pressure main pipe (7) with the high-pressure gas cylinder inlet pipe (1306);
the pipelines of the air supply high-pressure main pipe (7) and the two high-pressure air cylinders (3) are both provided with an air release valve and a stop valve.
5. The skid-mounted integrated dewar gas supply device according to claim 1, further comprising a tray (8), wherein a through hole for a forklift foot to pass through is provided on a side wall of the tray (8); the pressure reducing valve group control box body (1) and the Dewar flask air supply assembly (4) are arranged at the top of the tray (8).
6. The skid-mounted integrated dewar gas supply device according to any one of claims 1 to 5, wherein the bottom of the dewar bottle (2) and the bottom of the high pressure gas bottle (3) are provided with a moving trolley (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921971.5A CN112050083A (en) | 2020-09-04 | 2020-09-04 | Skid-mounted integrated dewar gas supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921971.5A CN112050083A (en) | 2020-09-04 | 2020-09-04 | Skid-mounted integrated dewar gas supply device |
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| Publication Number | Publication Date |
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| CN112050083A true CN112050083A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010921971.5A Pending CN112050083A (en) | 2020-09-04 | 2020-09-04 | Skid-mounted integrated dewar gas supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464836A (en) * | 2021-07-07 | 2021-10-01 | 广州市粤佳气体有限公司 | Full-automatic supply process for low-temperature liquid gas dewar tank |
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