CN110207004A - A kind of quick high-purity filling equipment of the cooling gas cylinder of bullet - Google Patents
A kind of quick high-purity filling equipment of the cooling gas cylinder of bullet Download PDFInfo
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- CN110207004A CN110207004A CN201910590242.3A CN201910590242A CN110207004A CN 110207004 A CN110207004 A CN 110207004A CN 201910590242 A CN201910590242 A CN 201910590242A CN 110207004 A CN110207004 A CN 110207004A
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Classifications
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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
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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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
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
-
- 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
- F17C13/04—Arrangement or mounting of valves
- F17C13/045—Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers
-
- 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
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
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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
- F17C5/002—Automated filling apparatus
- F17C5/005—Automated filling apparatus for gas bottles, such as on a continuous belt or on a merry-go-round
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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
-
- 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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- 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
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/036—Very high pressure (>80 bar)
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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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0339—Heat exchange with the fluid by cooling using the same fluid
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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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/044—Methods for emptying or filling by purging
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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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
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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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0486—Indicating or measuring characterised by the location
- F17C2250/0491—Parameters measured at or inside the vessel
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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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
- F17C2250/075—Action when predefined value is reached when full
Abstract
This application discloses a kind of quick high-purity filling equipments of the cooling gas cylinder of bullet, comprising: high-pressure air feed module is used to store high pressure gas, and to inflation execution module conveying high-pressure gas；Execution module is inflated, the high-pressure air feed mouth I in the inflation execution module is connect with the high-pressure air feed mouth II in the high-pressure air feed module；And at least one aerated product module, it is connect with the inflation execution module, the gas filling of aerated product module is realized in the conveying by the inflation execution module to high pressure gas.The application fills mode by establishing the closed-loop control of gas cylinder temperature and inflation rate, and under the premise of guaranteeing safe and reliable, provide cooling air fills efficiency；And the application has the advantages that cylinder filling is high-efficient, it can be achieved that vehicle moving, and landform adaptability is high, and charging purity is high, can be realized one-to-many operation, reaches and fan out from point to area, the advantages such as multi-level layout.
Description
Technical field
The application belongs to gas cylinder high pressure gas and fills technical field, and in particular to a kind of cooling gas cylinder of bullet it is quick high-purity
Filling equipment.
Background technique
For guided missile due to its high speed and windage in flight course, bullet can generate a large amount of heat, the heat of the part
Amount, to transmitting inside body, will reach higher in temperature, while guidance, communication, control inside guided missile by way of heat transfer
The systems such as system generate adverse effect during the work time, to its performance, so that its flight stability is deteriorated, control precision is reduced.
Therefore, cooled down using electric appliance original part of the high pressure gas to guided missile in flight course.
Due to risk of the high pressure gas cylinder in long-distance transport, storage process, and high pressure gas cylinder is let out in long-term storage
The risk of leakage mostly uses the mode filled before transmitting.Body is transported to high-pressure aerated station when existing operational method, has been inflated
Launch point is returned to after finishing, and there is numerous uncertainties in the process.It is the high maneuverability of the cooling gas cylinder of guided missile high pressure, fast
Fast, high-purity fill becomes the short slab for restricting my army's war preparedness capability improving.Therefore, it is necessary to develop relevant device, and formulate having for row
The scheme of effect.
Summary of the invention
The shortcomings that for the above-mentioned prior art or deficiency, it is cooling that the application technical problems to be solved are to provide a kind of bullet
Quick high-purity filling equipment of gas cylinder.
In order to solve the above technical problems, the application is achieved through the following technical solutions:
A kind of quick high-purity filling equipment of the cooling gas cylinder of bullet, comprising: high-pressure air feed module is used to store high pressure gas
Body, and to inflation execution module conveying high-pressure gas；
Inflate execution module, the high-pressure air feed mouth I in the inflation execution module and the height in the high-pressure air feed module
Air supply opening II is pressed to connect；
And at least one aerated product module, it is connect with the inflation execution module, mould is executed by the inflation
The gas filling of aerated product module is realized in conveying of the block to high pressure gas.
Further, in above-mentioned equipment, wherein further include: for carrying out gas displacement to the aerated product module
Gas displacement module, the gas displacement module be arranged it is described inflation execution module and the aerated product module between pipe
On the road.
Further, in above-mentioned equipment, wherein the high-pressure air feed module include: booster pump, booster pump outlet valve,
High-pressure gas cylinder and high-pressure air feed mouth II, wherein the booster pump is configured with low-pressure gas source mouth, the pressurized outlet valve setting
On pipeline between the booster pump and the high-pressure gas cylinder, the high-pressure air feed mouth II is arranged in the high pressure outlet air bottle
The first supply air line on.
Further, in above-mentioned equipment, wherein the high-pressure air feed module further include: air supply opening, pressurization pump control valve
And driving exhaust outlet, the air supply opening are arranged on the second supply air line of the booster pump, the pressurization pump control valve is set
It sets on second supply air line between the air supply opening and the booster pump, the driving exhaust outlet is then arranged described
On booster pump；Wherein, power source is provided to the booster pump by second supply air line.
Further, in above-mentioned equipment, wherein it is defeated to be additionally provided with a cooling air between the air supply opening and the booster pump
Pipeline is sent, the cooler transfer pipeline configures in order cooling air regulating valve and cooling air supply opening.
Further, in above-mentioned equipment, wherein be configured with bleed pressure sensor and gas source on the high-pressure gas cylinder
Safety valve.
Further, in above-mentioned equipment, wherein first supply air line is also successively arranged high pressure filter, high pressure
Shut-off valve and line-pressure sensor.
Further, in above-mentioned equipment, wherein the inflation execution module includes: high-pressure air feed mouth I, manual shutoff
Valve, gas supply electromagnetic valve, pressure reducer, low-pressure sensor, low pressure steam supply valve I, low pressure steam supply valve II and low pressure air supply opening,
The high-pressure air feed mouth I is arranged on the first supply air line and connect with the pressure-air mouth II；
The hand stop valve, the pressure reducing valve, the low-pressure sensor, the low pressure steam supply valve I are set gradually
On third supply air line,
The gas supply electromagnetic valve is arranged on the 4th supply air line, wherein the 4th supply air line and the third supply
Air pipe is arranged in parallel, and is connect with first supply air line；
The 5th supply air line of at least one is connected after 4th supply air line is in parallel with the third supply air line, it is described
The aerated product module of the 5th corresponding setting of supply air line connects.
Further, in above-mentioned equipment, wherein the inflation execution module further include: low pressure steam supply valve II and low pressure
Air supply opening, the low pressure steam supply valve II and the low pressure air supply opening are successively set on the 6th supply air line, the 6th gas supply
Pipeline is connect with the third supply air line.
Further, in above-mentioned equipment, wherein wherein the 5th supply air line is equipped with exhaust solenoid valve.
Further, in above-mentioned equipment, wherein be additionally provided with inflation solenoid valve, inflation pressure on the 5th supply air line
Force snesor and inflation regulating valve.
Further, in above-mentioned equipment, wherein the aerated product module includes product charge valve and cooling gas cylinder,
The product charge valve is connect by loading line with the inflation solenoid valve, and the product charge valve is mounted on the cooling air
The inlet of bottle.
Further, in above-mentioned equipment, wherein the gas displacement module includes: vacuum pump, vaccum pump motor, true
Empty meter, vacuum gauge, vacuum diaphragm valve and at least one vacuum solenoid,
The vacuum pump is connect by vacuum gauge with the vacuum meter, and the vacuum pump also connects with the vaccum pump motor
It connects；
The vacuum diaphragm valve is mounted on the first vacuum abstraction pipeline, and first vacuum abstraction pipeline and setting exist
Piping connection between the vacuum pump and the vacuum gauge；
The first vacuum abstraction pipeline extracts pipeline by the second vacuum of at least one and connect with the 5th supply air line,
In, the vacuum solenoid setting is on second vacuum abstraction pipeline, and the vacuum solenoid and second vacuum
The setting quantity for extracting pipeline is identical.
Further, in above-mentioned equipment, wherein further include at least one supplementary module, the setting of the supplementary module
Quantity is identical as the setting quantity of the aerated product module；
The supplementary module includes: infrared radiation thermometer and at least one cool-down nozzle, and the infrared radiation thermometer, which is mounted on, to be leaned on
Cooling gas cylinder position in the nearly aerated product module, the cool-down nozzle are also arranged close to the cooling gas cylinder；
The cool-down nozzle is connect with cooling air supply opening, alternatively, the cool-down nozzle is connect with driving exhaust outlet.
Compared with prior art, the application has the following technical effect that
The application can be realized quickly filling for the cooling gas cylinder of product bullet, and missile armament model is shortened in high efficiency displacement
Under arms, the response time in manoeuvre and actual combat improves mobility, has positive effect to the fighting capacity level for improving army；And
Its small in size, light-weight feature determines that it can realize vehicular operation, and the feature of low energy consumption has expanded its application scenarios；
The application passes through high-pressure air feed module, inflation execution module, aerated product module, gas displacement module and auxiliary
Organic cooperation of module, that improves cooling gas cylinder fills efficiency, and is efficiently used to booster pump discharge gas, by it
It is cooling for gas cylinder, reach energy-saving and environment-friendly purpose；
It is vacuumized by gas displacement module in the cooling gas cylinder filling process of the application, inflation execution module can
Flow needed for supplying and the high-purity gas of pressure sweep at gas cylinder cleaning；Supplementary module can cool down gas cylinder in filling process
Temperature is detected, and gas-cooled mode is taken to cool down, and under the premise of guaranteeing gas cylinder safely, is improved and is filled effect
Rate；
The application fills mode by establishing the closed-loop control of gas cylinder temperature and inflation rate, safe and reliable in guarantee
Under the premise of, provide cooling air fills efficiency.
The application has cylinder filling is high-efficient, it can be achieved that vehicle moving, landform adaptability is high, charging purity height etc.
Advantage can be realized one-to-many operation, reach and fan out from point to area, multi-level layout etc..
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1: the assembly schematic diagram of quick high-purity filling equipment of the cooling gas cylinder of the application bullet；
Fig. 2: schematic diagram one is assembled in the part of quick high-purity filling equipment of the cooling gas cylinder of the application bullet；
Fig. 3: schematic diagram two is assembled in the part of quick high-purity filling equipment of the cooling gas cylinder of the application bullet.
Appended drawing reference:
In figure: 1- high-pressure air feed mouth I；2- hand stop valve；3- gas supply electromagnetic valve；4- pressure reducer；5- exhaust solenoid valve；6-
Low-pressure sensor；7- low pressure steam supply valve I；8- low pressure steam supply valve II；9- inflates solenoid valve I；10- low pressure air supply opening；11- fills
Air pressure force snesor I；12- inflates regulating valve I；13- product charge valve I；14- infrared radiation thermometer I；15- cools down gas cylinder I；16- drop
Warm nozzle I；17- cool-down nozzle II；18- cool-down nozzle III；19- vacuum meter；20- cool-down nozzle IV；21- infrared radiation thermometer II；
22- cools down gas cylinder II；23- vaccum pump motor；24- product charge valve II；25- vacuum pump；26- vacuum gauge；27- inflation is adjusted
Valve II；28- the blowing pressure sensor II；29- vacuum diaphragm valve；30- vacuum solenoid I；31- inflates solenoid valve II；32- vacuum
Solenoid valve II；33- bleed pressure sensor；34- bleed pressure sensor；35- gas source safety valve；36- air supply opening；37- high pressure
Filter；38- high-pressure stop valve；39- line-pressure sensor；40- high-pressure air feed mouth II；41- cools down air supply opening；42- low pressure
Gas source；43- booster pump；44- drives exhaust outlet；45- cooling air regulating valve；46- is pressurized pump control valve；47- booster pump outlet valve；
48- high-pressure gas cylinder.
Specific embodiment
It is described further below with reference to technical effect of the attached drawing to the design of the application, specific structure and generation, with
It is fully understood from the purpose, feature and effect of the application.
As shown in Figure 1 to Figure 3, quick high-purity filling equipment of the cooling gas cylinder of a kind of bullet of the present embodiment, comprising: high pressure supplies
Gas module, is used to store high pressure gas, and to inflation execution module conveying high-pressure gas；Inflate execution module, the inflation
High-pressure air feed mouth I 1 in execution module is connect with the high-pressure air feed mouth II 40 in the high-pressure air feed module；And at least one
Aerated product module is connect with the inflation execution module, the conveying by the inflation execution module to high pressure gas, real
The gas filling of existing aerated product module.In the present embodiment, the setting quantity of the aerated product module is preferably two, but
It is that its setting quantity does not cause to limit to the protection scope of the application.
The present embodiment further include: described for carrying out the gas displacement module of gas displacement to the aerated product module
Gas displacement module is arranged on the pipeline between the inflation execution module and the aerated product module.
The application realizes the cooling gas cylinder internal gas before product fills by forming organic whole between above-mentioned modules
The displacement of body is purged, is filled and process control；It is high-efficient with cylinder filling, it can be achieved that vehicle moving, landform adaptability
The advantages that height, charging purity is high, can be realized one-to-many operation, reach and fan out from point to area, multi-level layout etc..
Wherein, the gas displacement module include: vacuum pump 25, vaccum pump motor 23, vacuum meter 19, vacuum gauge 26,
Vacuum diaphragm valve 29 and at least one vacuum solenoid, wherein the setting quantity of the vacuum solenoid and the inflation produce
Product module is corresponding, that is, is preferably arranged to two in the present embodiment.
The vacuum pump 25 is connect by vacuum gauge 26 with the vacuum meter 19, the vacuum pump 25 also with the vacuum
Pump motor 23 connects；The vacuum diaphragm valve 29 is mounted on the first vacuum abstraction pipeline, and first vacuum extracts pipeline
With the piping connection being arranged between the vacuum pump 25 and the vacuum gauge 26；The first vacuum abstraction pipeline passes through it
In second vacuum abstraction pipeline connect with the 5th supply air line, wherein the vacuum solenoid II 32 be arranged this second
Vacuum extracts on pipeline.Similarly, first vacuum abstraction pipeline extracts pipeline and another the by another second vacuum
Five supply air lines connection, wherein the setting of vacuum solenoid I 30 is on second vacuum abstraction pipeline.The gas displacement
Module can realize that the lower remaining atmosphere gas of purity is extracted in cooling gas cylinder, realizes that the quick of gas is set in cooling gas cylinder
It changes and purifies.
Wherein, the high-pressure air feed module includes: booster pump 43, booster pump outlet valve 47, high-pressure gas cylinder 48 and height
Press air supply opening II 40, wherein the booster pump 43 is configured with low-pressure gas source mouth 42, and the pressurized outlet valve is arranged in the pressurization
On pipeline between pump 43 and the high-pressure gas cylinder 48, the of the high pressure outlet air bottle is arranged in the high-pressure air feed mouth II 40
On one supply air line.The high-pressure air feed module is boosted low-pressure gas by booster pump 43, is reached needed for cylinder filling
Pressure, and stablize enough supplies equipped with high-pressure gas cylinder 48 with ensure gas.
The high-pressure air feed module further include: air supply opening, pressurization pump control valve 46 and driving exhaust outlet 44, the gas supply
Mouthful it is arranged on the second supply air line of the booster pump 43, the pressurization pump control valve 46 is arranged in the air supply opening and described
On second supply air line between booster pump 43, the driving exhaust outlet 44 is then arranged on the booster pump 43；Wherein,
Power source is provided to the booster pump 43 by second supply air line, it can be to the gas supply by the pressurization pump control valve 46
Amount is adjusted, wherein the driving exhaust outlet 44 is for being discharged extra gas, wherein the driving exhaust outlet 44 can connect
Cool-down nozzle described below, by the cool-down nozzle transporting low temperature gas to cool down to cooling gas cylinder described below,
Have reached energy-saving and environment-friendly purpose.
Further, a cooling air transfer pipeline, the cooling are additionally provided between the air supply opening and the booster pump 43
Device transfer pipeline configures in order cooling air regulating valve 45 and cooling air supply opening 41.By closing pressurization pump control valve described above
46, open the cooling air regulating valve 45, by the cooling air transfer pipeline into cool-down nozzle described below transporting low temperature gas
Body is to cool down to cooling gas cylinder described below.The cooling air regulating valve 45 can be according to infrared radiation thermometer described below
I 14 and the temperature of the cooling gas cylinder I 15 that detects of infrared radiation thermometer II 21 and cooling gas cylinder II 22 carry out cooling gas flow adjusting,
Since promoted fill efficiency.
Wherein, bleed pressure sensor and gas source safety valve 35 are configured on the high-pressure gas cylinder 48, certainly, in this reality
It applies and two bleed pressure sensors can be set in example, the high-pressure aerated module is influenced when preventing one of them from breaking down
It operates normally, settable bleed pressure sensor I 33 and gas source pressure sensor II 34.
Further, first supply air line is also successively arranged high pressure filter 37, high-pressure stop valve 38 and pipeline
Pressure sensor 39, wherein the impurity that the high pressure filter 37 can pump high-pressure gas in the high pressure gas of conveying carried out
Filter, guarantees the purity of high pressure gas.
In the present embodiment, the inflation execution module includes: high-pressure air feed mouth I 1, hand stop valve 2, gas supply electromagnetic valve
3, pressure reducer, low-pressure sensor 6, low pressure steam supply valve I 7, low pressure steam supply valve II 8 and low pressure air supply opening 10, the high pressure
Air supply opening I 1 is arranged on the first supply air line and connect with the pressure-air mouth II；The hand stop valve 2, the decompression
Valve 4, the low-pressure sensor 6, the low pressure steam supply valve I 7 are successively set on third supply air line, the gas supply electromagnetism
Valve 3 is arranged on the 4th supply air line, wherein the 4th supply air line is arranged in parallel with the third supply air line, and
It is connect with first supply air line；At least one the is connected after 4th supply air line is in parallel with the third supply air line
Five supply air lines, the aerated product module connection of the corresponding setting of the 5th supply air line.
In the present embodiment, the setting quantity of the 5th supply air line is preferably two, that is, the inflation execution module
Tool can carry out the charging operation of two cooling gas cylinder difference work steps there are two station is filled simultaneously, promote filling for cooling gas cylinder
Fill efficiency.
Further, the inflation execution module further include: low pressure steam supply valve II 8 and low pressure air supply opening 10, the low pressure
Steam supply valve II 8 and the low pressure air supply opening 10 are successively set on the 6th supply air line, the 6th supply air line and described the
The connection of three supply air lines.By the low pressure air supply opening 10 and the low pressure steam supply valve II 8 specified pressure can be supplied to equipment
Gas.
It is wherein additionally provided with inflation solenoid valve I 9, the blowing pressure sensor I 11 on the 5th supply air line and fills
Gas regulating valve I 12, be additionally provided on another 5th supply air line inflation solenoid valve II 31, the blowing pressure sensor II 28 with
And inflation regulating valve II 27.Wherein, each 5th supply air line is correspondingly connected with an aerated product module.The inflation is adjusted
The adjusting control of cylinder filling speed may be implemented in section valve I 12 and inflation regulating valve II 27.
Wherein the 5th supply air line is equipped with exhaust solenoid valve 5, and the exhaust solenoid valve 5 is for discharging cooling
Gas in gas cylinder, to prepare to be quick, high-purity to cooling inflating gas cylinder.
In the present embodiment, the aerated product module includes product charge valve I 13, cooling gas cylinder I 15, product charge valve
II 24 and cooling gas cylinder II 22, the product charge valve I 13 connect by the first loading line with the inflation solenoid valve I 9,
The product charge valve I 13 is mounted on the inlet of the cooling gas cylinder I 15；Similarly, the product charge valve II 24 passes through the
Two loading lines are connect with the inflation solenoid valve II 31, and the product charge valve II 24 is mounted on the cooling gas cylinder II 22
Inlet.Wherein, the cooling gas cylinder I 15 and the cooling gas cylinder II 22 can replace, independently be vacuumized, gas filling
Operation.
The present embodiment further includes at least one supplementary module, the setting quantity of the supplementary module and the aerated product mould
The setting quantity of block is identical, and in the present embodiment, the setting quantity of the supplementary module is preferably two.
One of them described supplementary module includes: infrared radiation thermometer I 14 and at least one cool-down nozzle, in the present embodiment
In, the setting quantity of the cool-down nozzle is two, that is, cool-down nozzle I 16 and cool-down nozzle II 17.The infrared radiation thermometer I
14 are arranged close to I 15 position of cooling gas cylinder in the aerated product module, the cool-down nozzle I 16, cool-down nozzle II 17
Also it is arranged close to the cooling gas cylinder I 15；The cool-down nozzle I 16, cool-down nozzle II 17 are connect with cooling air supply opening 41, or
Person, the cool-down nozzle I 16, cool-down nozzle II 17 are connect with driving exhaust outlet 44.
Ibid, another described supplementary module includes: infrared radiation thermometer II 21 and at least one cool-down nozzle, in this reality
It applies in example, the setting quantity of the cool-down nozzle is two, that is, cool-down nozzle III 18 and cool-down nozzle IV 20.The infrared survey
Warm instrument II 21 is arranged close to II 22 position of cooling gas cylinder in the aerated product module, the cool-down nozzle III 18 and cooling
Nozzle IV 20 is also arranged close to the cooling gas cylinder II 22；The cool-down nozzle III 18, cool-down nozzle IV 20 are supplied with cooling
Mouth 41 connects, alternatively, the cool-down nozzle III 18, cool-down nozzle IV 20 are connect with driving exhaust outlet 44.
The infrared radiation thermometer I 14 and infrared radiation thermometer II 21 can be by non-contacting modes to cold in filling process
But gas cylinder carries out temperature detection, avoids overtemperature, bottle body is caused to damage.The cool-down nozzle I 16, cool-down nozzle II 17, cooling spray
Mouth III 18 and cool-down nozzle IV 20 can cool down to the gas cylinder in filling process, realize that gas cylinder quickly fills.
In the present embodiment, it is vacuumized by gas displacement module in cooling gas cylinder filling process, inflation executes
Module can supply required flow and the high-purity gas of pressure sweep at gas cylinder cleaning.Supplementary module can cool down in filling process
The temperature of gas cylinder is detected, and gas-cooled mode is taken to cool down, and under the premise of guaranteeing gas cylinder safely, raising is filled
Efficiency.
Specific implementation process is as follows:
Original state: before carrying out charging operation, the pressure in high-pressure gas cylinder 48 is observed, it is ensured that its pressure is greater than
The pressure for needing to fill.Check that all manually-operated gates, solenoid valve and regulating valve are in closed state, pressure reducer is in unloading shape
State.It opens vaccum pump motor 23 to carry out vacuumizing operation, opens vacuum diaphragm valve 29, vacuum solenoid II 32, inflation regulating valve I
12 and product charge valve I 13, start to extract the residual gas in cooling gas cylinder I 15, when the pressure in gas cylinder is lower than
When 100Pa, vacuum diaphragm valve 29 and vacuum solenoid II 32 are closed.High-pressure stop valve 38 and hand stop valve 2 are opened, adjusting subtracts
4 pressure of depressor opens low pressure steam supply valve I 7 and inflation solenoid valve I 9 to 1MPa, the pressure in cooling gas cylinder I 15 will be stamped to
1MPa after pressure is stablized, closes hand stop valve 2 and low pressure steam supply valve I 7, opens exhaust solenoid valve 5, cools down in gas cylinder I 15
Pressure is emitted into normal pressure level, closes exhaust solenoid valve 5.Vacuum diaphragm valve 29, vacuum solenoid II 32 are opened again to cooling
When gas cylinder I 15 carries out being evacuated to 100Pa, vacuum diaphragm valve 29 and vacuum solenoid II 32 are closed.Open 2 He of hand stop valve
Low pressure steam supply valve I 7 starts to carry out the cooling progress of gas cylinder I 15 gas filling.Assuming that cooling I 15 gas filling pressure of gas cylinder is
35MPa adjusts 4 pressure of pressure reducer to 10MPa, into gas filling process.Booster pump 43 is opened, booster pump outlet valve 47 is opened
It is constantly supplied for high-pressure gas cylinder 48, according to the feedback pressure of bleed pressure sensor I 33 or bleed pressure sensor II 34
Force signal reaches rated value after booster pump 43 and stops working.Infrared radiation thermometer I 14 can surface temperature to cooling gas cylinder I 15 into
Row detection, when temperature is more than specified value, cool-down nozzle I 16, cool-down nozzle II 17 start spray cooling gas, cooling gas
There are two parts, cooling air supply opening 41 and driving exhaust outlet 44 in source.First using driving exhaust outlet 44 cooled down, when temperature after
It when of continuing rising high, open cooling air regulating valve 45 and improves cooling air supply, when 45 aperture of cooling air regulating valve reaches maximum, temperature
It continues to rise, turns down inflation regulating valve I 12, reduction fills rate.The above process is all made of program closed-loop control completion, real
The automation of existing gas replenishment process.Cooling I 15 pressure of gas cylinder reaches 9MPa, and supply gas pressure is adjusted to 20MPa.Cooling gas cylinder I 15
Pressure reaches 19MPa, closes hand stop valve 2 and low pressure steam supply valve I 7,4 load removal of pressure reducer.Gas supply electromagnetic valve 3 is opened,
Start straight mold filling formula, in gas replenishment process, the pressure in gas source and cooling gas cylinder I 15 remains enough pressure differences, guarantees inflation
Rate is sufficiently large.Pressure in gas cylinder I 15 to be cooled closes inflation solenoid valve I 9, inflation I 12 and of regulating valve after reaching target value
Product charge valve I 13.
Cooling gas cylinder II 22 is identical as the vacuum displacement of cooling gas cylinder I 15, gas filling process, specifically:
Original state: before carrying out charging operation, the pressure in high-pressure gas cylinder 48 is observed, it is ensured that its pressure is greater than
The pressure for needing to fill.Check that all manually-operated gates, solenoid valve and regulating valve are in closed state, pressure reducer is in unloading shape
State.It opens vaccum pump motor 23 to carry out vacuumizing operation, opens vacuum diaphragm valve 29, vacuum solenoid I 30, inflation regulating valve II
27 and product charge valve II 24, start to extract the residual gas in cooling gas cylinder II 22, when the pressure in gas cylinder is lower than
When 100Pa, vacuum diaphragm valve 29 and vacuum solenoid I 30 are closed.High-pressure stop valve 38 and hand stop valve 2 are opened, adjusting subtracts
4 pressure of depressor opens low pressure steam supply valve I 7 and inflation solenoid valve II 33, the pressure in cooling gas cylinder II 22 will be stamped to 1MPa
To 1MPa, after pressure is stablized, hand stop valve 2 and low pressure steam supply valve I 7 are closed, opens exhaust solenoid valve 5, cooling gas cylinder II 22
Interior pressure is emitted into normal pressure level, closes exhaust solenoid valve 5.Vacuum diaphragm valve 29, vacuum solenoid I 30 are opened again to cold
But when gas cylinder II 22 carries out being evacuated to 100Pa, vacuum diaphragm valve 29 and vacuum solenoid I 30 are closed.Open hand stop valve 2
With low pressure steam supply valve I 7, start to carry out the cooling progress of gas cylinder II 22 gas filling.Assuming that cooling II 22 gas filling pressure of gas cylinder
For 35MPa, 4 pressure of pressure reducer is adjusted to 10MPa, into gas filling process.Booster pump 43 is opened, booster pump outlet valve is opened
47 constantly supply for high-pressure gas cylinder 48, according to the feedback of bleed pressure sensor I 33 or bleed pressure sensor II 34
Pressure signal reaches rated value after booster pump 43 and stops working.Infrared radiation thermometer II 21 can be to the surface temperature of cooling gas cylinder II 22
Degree is detected, and when temperature is more than specified value, cool-down nozzle III 18, cool-down nozzle IV 20 start spray cooling gas, cooling
There are two parts, cooling air supply opening 41 and driving exhaust outlet 44 in the source of gas.It is cooled down first using driving exhaust outlet 44, when
When temperature continues to increase, opens cooling air regulating valve 45 and improve cooling air supply, when 45 aperture of cooling air regulating valve reaches most
Greatly, temperature continues to rise, and turns down inflation regulating valve II 27, and reduction fills rate.The above process is all made of program closed loop control
System is completed, and realizes the automation of gas replenishment process.Cooling II 22 pressure of gas cylinder reaches 9MPa, and supply gas pressure is adjusted to 20MPa.It is cold
But II 22 pressure of gas cylinder reaches 19MPa, closes hand stop valve 2 and low pressure steam supply valve I 7,4 load removal of pressure reducer.It opens and supplies
Pneumoelectric magnet valve 3, starts straight mold filling formula, and in gas replenishment process, the pressure in gas source and cooling gas cylinder II 22 remains enough pressures
Difference guarantees that inflation rate is sufficiently large.Pressure in gas cylinder II 22 to be cooled is closed inflation solenoid valve II 31 after reaching target value, is filled
Gas regulating valve II 27 and product charge valve II 24.
The application can carry out the vacuum displacement operation of cooling gas cylinder II 22, most when carrying out cooling I 15 gas filling of gas cylinder
The raising gas filling efficiency of big degree, while ensure that the gas purity into cooling gas cylinder I, II 15,22.
Above embodiments are only to illustrate the technical solution of the application and non-limiting, referring to preferred embodiment to the application into
Detailed description is gone.Those skilled in the art should understand that the technical solution of the application can be modified or be waited
With replacement, without departing from the spirit and scope of technical scheme, should all cover within the scope of claims hereof.
Claims (14)
1. a kind of quick high-purity filling equipment of the cooling gas cylinder of bullet characterized by comprising
High-pressure air feed module, is used to store high pressure gas, and to inflation execution module conveying high-pressure gas；
Execution module is inflated, the high-pressure air feed mouth I in the inflation execution module and the high pressure in the high-pressure air feed module supply
Port II connects；
And at least one aerated product module, it is connect with the inflation execution module, passes through the inflation execution module pair
The gas filling of aerated product module is realized in the conveying of high pressure gas.
2. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 1, which is characterized in that further include: it uses
In the gas displacement module for carrying out gas displacement to the aerated product module, the gas displacement module setting inflation is held
On pipeline between row module and the aerated product module.
3. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 1 or 2, which is characterized in that the height
Pressure gas supply module includes: booster pump, booster pump outlet valve, high-pressure gas cylinder and high-pressure air feed mouth II, wherein the booster pump
Configured with low-pressure gas source mouth, the pressurized outlet valve is arranged on the pipeline between the booster pump and the high-pressure gas cylinder,
The high-pressure air feed mouth II is arranged on the first supply air line of the high pressure outlet air bottle.
4. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 3, which is characterized in that the high pressure supplies
Gas module further include: the of the booster pump is arranged in air supply opening, pressurization pump control valve and driving exhaust outlet, the air supply opening
On two supply air lines, second air supply pipe between the air supply opening and the booster pump is arranged in the pressurization pump control valve
On the road, the driving exhaust outlet is then arranged on the booster pump；Wherein, by second supply air line to the booster pump
Power source is provided.
5. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 4, which is characterized in that the air supply opening
A cooling air transfer pipeline is additionally provided between the booster pump, the cooler transfer pipeline configures in order cooling air regulating valve
With cooling air supply opening.
6. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 3, which is characterized in that the high pressure storage
Bleed pressure sensor and gas source safety valve are configured on gas cylinder.
7. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 3, which is characterized in that described first supplies
Air pipe is also successively arranged high pressure filter, high-pressure stop valve and line-pressure sensor.
8. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 1 or 2, which is characterized in that
The inflation execution module includes: high-pressure air feed mouth I, hand stop valve, gas supply electromagnetic valve, pressure reducer, low pressure biography
Sensor, low pressure steam supply valve I, low pressure steam supply valve II and low pressure air supply opening, the high-pressure air feed mouth I are arranged in the first supply air line
Above and with the pressure-air mouth II it connect；
The hand stop valve, the pressure reducing valve, the low-pressure sensor, the low pressure steam supply valve I are successively set on
On three supply air lines,
The gas supply electromagnetic valve is arranged on the 4th supply air line, wherein the 4th supply air line and the third air supply pipe
Road is arranged in parallel, and is connect with first supply air line；
Connection the 5th supply air line of at least one after 4th supply air line is in parallel with the third supply air line, the described 5th
The aerated product module of the corresponding setting of supply air line connects.
9. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 8, which is characterized in that the inflation is held
Row module further include: low pressure steam supply valve II and low pressure air supply opening, the low pressure steam supply valve II and the low pressure air supply opening are successively set
It sets on the 6th supply air line, the 6th supply air line is connect with the third supply air line.
10. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 8, which is characterized in that wherein one
5th supply air line is equipped with exhaust solenoid valve.
11. according to quick high-purity filling equipment of the cooling gas cylinder of the described in any item bullets of claim 8, which is characterized in that institute
It states and is additionally provided with inflation solenoid valve, the blowing pressure sensor and inflation regulating valve on the 5th supply air line.
12. quick high-purity filling equipment of the cooling gas cylinder of the bullet according to claim 1 or 2, which is characterized in that
The aerated product module includes product charge valve and cooling gas cylinder, and the product charge valve passes through loading line and the inflation
Solenoid valve connection, the product charge valve are mounted on the inlet of the cooling gas cylinder.
13. quick high-purity filling equipment of the cooling gas cylinder of bullet according to claim 2, which is characterized in that the gas
Replacement module includes: vacuum pump, vaccum pump motor, vacuum meter, vacuum gauge, vacuum diaphragm valve and at least one vacuum electromagnetic
Valve,
The vacuum pump is connect by vacuum gauge with the vacuum meter, and the vacuum pump is also connect with the vaccum pump motor；
The vacuum diaphragm valve is mounted on the first vacuum abstraction pipeline, and first vacuum extracts pipeline and is arranged described
Piping connection between vacuum pump and the vacuum gauge；
The first vacuum abstraction pipeline extracts pipeline by the second vacuum of at least one and connect with the 5th supply air line, wherein
The vacuum solenoid setting is on second vacuum abstraction pipeline, and the vacuum solenoid and second vacuum extract
The setting quantity of pipeline is identical.
14. quick high-purity filling equipment of the cooling gas cylinder of bullet described according to claim 1 or 2 or 13, which is characterized in that
It further include at least one supplementary module, the setting quantity of the setting quantity of the supplementary module and the aerated product module
It is identical；
The supplementary module includes: infrared radiation thermometer and at least one cool-down nozzle, and the infrared radiation thermometer is arranged close to institute
The cooling gas cylinder position in aerated product module is stated, the cool-down nozzle is also arranged close to the cooling gas cylinder；
The cool-down nozzle is connect with cooling air supply opening, alternatively, the cool-down nozzle is connect with driving exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590242.3A CN110207004A (en) | 2019-07-02 | 2019-07-02 | A kind of quick high-purity filling equipment of the cooling gas cylinder of bullet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590242.3A CN110207004A (en) | 2019-07-02 | 2019-07-02 | A kind of quick high-purity filling equipment of the cooling gas cylinder of bullet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207004A true CN110207004A (en) | 2019-09-06 |
Family
ID=67795770
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910590242.3A Pending CN110207004A (en) | 2019-07-02 | 2019-07-02 | A kind of quick high-purity filling equipment of the cooling gas cylinder of bullet |
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| CN (1) | CN110207004A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233399A (en) * | 2021-05-06 | 2021-08-10 | 中航飞机起落架有限责任公司 | Automatic fire extinguishing agent filling system with double filling and double control functions and method |
| CN115419825A (en) * | 2022-08-29 | 2022-12-02 | 欧中电子材料（重庆）有限公司 | Gas cylinder comprehensive treatment system and treatment method thereof |
-
2019
- 2019-07-02 CN CN201910590242.3A patent/CN110207004A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233399A (en) * | 2021-05-06 | 2021-08-10 | 中航飞机起落架有限责任公司 | Automatic fire extinguishing agent filling system with double filling and double control functions and method |
| CN115419825A (en) * | 2022-08-29 | 2022-12-02 | 欧中电子材料（重庆）有限公司 | Gas cylinder comprehensive treatment system and treatment method thereof |
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