CN108317390A - Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system and air supply method - Google Patents
Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system and air supply method Download PDFInfo
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- CN108317390A CN108317390A CN201810305864.2A CN201810305864A CN108317390A CN 108317390 A CN108317390 A CN 108317390A CN 201810305864 A CN201810305864 A CN 201810305864A CN 108317390 A CN108317390 A CN 108317390A
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- oxygen
- liquid oxygen
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- air supply
- gas
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
-
- 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
- F17C2223/013—Single phase liquid
-
- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/013—Single phase liquid
-
- 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
- F17C2227/0142—Pumps with specified pump type, e.g. piston or impulsive type
-
- 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
- F17C2227/0302—Heat exchange with the fluid by heating
-
- 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
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/039—Localisation of heat exchange separate on the pipes
Abstract
The invention discloses crystal industrial park safety and energy-saving ring-type ultralow pressure air supply systems, and the air supply system includes natural gas looped network and oxygen looped network；Oxygen looped network comprising to the workshop oxygen gas grid of gas equipment oxygen supply, the oxygen intake pipe of the workshop oxygen gas grid is connected to circlewise with oxygen bleed line.A kind of crystal industrial park provided by the invention safety and energy-saving ring-type ultralow pressure air supply system, it is supplied by ring-type, it can realize that low pressure stablizes gas supply while can reduce maintenance and use cost, improve gas transmission pipeline net work security performance, the optimization design by air supply system, maintenance cost and energy consumption can be greatlyd save.
Description
Technical field
The present invention relates to natural gases and oxygen synthesis supply technology field, and in particular to a kind of crystal industrial park safety section
It can type ring shape ultralow pressure air supply system.
Background technology
Zhejiang Province Pujiang County is one of the whole nation large-scale crystal glass handicraft manufacture ground, a large amount of small-scale crystal glass manufactures
Air source of the factory using the liquid oxygen steel cylinder and liquefied natural gas bottle of dispersion as its solder cutting gun, such mode of production hidden danger is larger, warp
Explosion accident often occurs, causes serious casualties.To reduce the security risk of crystal processing, assembled by crystal industrial park
A large amount of small-scale manufactories, both specification production managements, while by way of concentrated oxygen supply and for natural gas, to prevent liquid oxygen steel
The use of bottle and liquefied natural gas bottle, can substantially reduce security risk, but the existing air supply system in industrial park is by traditional day
Right gas pipe network transformation, and it is more to enter enterprise in crystal industrial park, when the use gas of user's gas equipment, mainly solder cutting gun
Between and gas consumption fluctuation it is larger, easily cause user's pressure of pipe network end relatively low and can not produce, in order to ensure pipe network end
User normally produces, and existing pipe network must assure that pipe network voltage-regulating system stablizes the supply gas pressure in high pressure 1.6Mpa, but for a long time
High pressure it is more demanding for the accessory of entire pipe network, safe class, materials'use, maintenance cost is larger.Therefore, it is necessary to pass through
The entire air supply system of complex optimum, provide one kind can realize low pressure stablize gas supply and meanwhile can reduce maintenance and use cost,
The air supply system and air supply method for improving gas transmission pipeline net work security performance, saving maintenance cost and energy consumption.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of crystal industrial park safety and energy-saving
Cyclic annular ultralow pressure air supply system.The device by ring-type supply, can realize low pressure stablize gas supply and meanwhile can reduce maintenance and
Use cost improves gas transmission pipeline net work security performance, the optimization design by air supply system, can greatly save maintenance cost and energy
Consumption.
Specific technical solution of the present invention is as follows：
A kind of crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system, above-mentioned air supply system
Including natural gas looped network and oxygen looped network；Oxygen looped network comprising to gas equipment oxygen supply workshop oxygen gas grid, on
The oxygen intake pipe for stating workshop oxygen gas grid is connected to circlewise with oxygen bleed line.
Preferably, above-mentioned natural gas looped network comprising to gas equipment for the workshop natural gas supply net of natural gas, above-mentioned vehicle
Between the natural gas air inlet pipe of natural gas supply net be connected to circlewise with natural gas escape pipe.
Preferably, above-mentioned oxygen looped network supply gas pressure is 0.5-1.6Mpa.
Preferably, above-mentioned oxygen looped network supply gas pressure is 0.6Mpa.
Preferably, above-mentioned gas equipment includes solder cutting gun, oxygen intake and Imported gas which is provided with.
Preferably, above-mentioned oxygen looped network is also connected with oxygen deliverng pipe net, above-mentioned oxygen deliverng pipe net includes the liquid oxygen being sequentially connected
Tank car, low-pressure low-temperature liquid oxygen vessel, high pressure low temperature liquid oxygen vessel, vaporizer, balance air accumulator, regulator, main valve.
Preferably, being equipped with low-pressure admission branch between above-mentioned liquefied oxygen tank vehicle and low-pressure low-temperature liquid oxygen vessel；Above-mentioned liquid oxygen
The high pressure admission branch being connected by reversal valve and boosting centrifugal liquid oxygen pump is equipped between tank car and above-mentioned high pressure low temperature liquid oxygen vessel
Road；Return-air branch is equipped between above-mentioned low-pressure low-temperature liquid oxygen vessel and above-mentioned high pressure low temperature liquid oxygen vessel；Above-mentioned high pressure low temperature liquid
Outlet branch is equipped between oxygen storage tank and above-mentioned vaporizer.
Preferably, above-mentioned low-pressure low-temperature liquid oxygen vessel, above-mentioned high pressure low temperature liquid oxygen vessel pass through emergency bypass and vaporization
Device is connected, and above-mentioned emergency bypass is equipped with plunger liquid oxygen pump and service valve.
Preferably, the reservoir volume of above-mentioned low-pressure low-temperature liquid oxygen vessel is 100m3, pressure store be 0.8Mpa,
The reservoir volume of above-mentioned high pressure low temperature liquid oxygen vessel is 100m3, pressure store 1.6Mpa.The present invention also provides a kind of crystals
Industrial park multi-user's safety and energy-saving ring-type ultralow pressure air supply method, steps are as follows for the above method：
Step 1: transport：Liquid oxygen is sent to gas station by liquefied oxygen tank vehicle from liquid oxygen manufactory；
Step 2: unloading：Liquefied oxygen tank vehicle unloads liquid oxygen to boosting centrifugal liquid oxygen pump, and 2Mpa is pressurized to through centrifuging liquid oxygen pump；
Step 3: storage of higher pressures：Liquid oxygen is transported to the high pressure low temperature liquid oxygen that pressure store is 1.6Mpa by boosting centrifugal liquid oxygen pump
Storage tank；
Step 4: room temperature vaporizes：The liquid oxygen that high pressure low temperature liquid oxygen vessel comes out is vaporized by vaporizer to room temperature；
Step 5: low pressure air storage：Liquefied oxygen tank vehicle unloads liquid oxygen low-pressure liquid oxygen storage tank for standby use；
Step 6: tank switching：Liquid oxygen in low-pressure liquid oxygen storage tank is pressurized liquid oxygen pump by centrifugation to be transferred in high pressure liquid oxygen vessel；
Step 7: automatically constant pressure supplies：Automatically constant pressure supplies to vaporizer and is pressurized liquid oxygen without starting in high pressure liquid oxygen vessel
Pump.
Advantageous effect
1. using pipe network ring-type constant pressure air feeding, workshop pipeline, which is imported and exported tip tube, is linked to be ring-type, pressure reduction to 0.6Mpa,
It disclosure satisfy that the demand of all users.
2. steam line pressure is reduced to 0.6Mpa from 1.6Mpa so that the security performance of gas transmission pipeline net work greatly improves,
Requirement to each equipment and pipe network accessory substantially reduces, and material easily purchase is easily general, while the energy consumption after decompression is greatly saved.
3. due to the implementation of the cyclic annular constant pressure air feeding technical solution in the workshop of industrial zone, the pressure reduction that pipe network needs,
Allow the topology layout that the ultralow pressure of oxygen deliverng pipe net supplies to be further improved technique according to ring-type gas supply, reaches safe section
The purpose of energy ultralow pressure gas supply just needs startup boosting centrifugal liquid oxygen pump when only unloading during normally supplying or tank switching,
Liquid oxygen pump is not had to usually, high pressure low temperature liquid oxygen storage pressure can guarantee that supply gas pressure is flat using common automatically constant pressure technology
Surely, reach energy saving purpose without gas loss from unloading tank switching, it is ensured that the ultralow air pressure gas supply of energy-saving safe.
Description of the drawings
Fig. 1 is the systematic schematic diagram of prior art oxygen looped network.
Fig. 2 is the systematic schematic diagram of oxygen looped network of the present invention.
Specific implementation mode
With reference to attached drawing, the prior art is as shown in Figure 1.Include successively：It is liquefied oxygen tank vehicle 1, low-pressure low-temperature liquid oxygen vessel 2, existing
Air inlet branch road 3B and outlet branch 3A, plunger liquid oxygen pump 3, balance air accumulator 5, regulator 51, main valve 52, show vaporizer 4
There is linear gas grid 6.
The technology of the present invention is as shown in Figure 2.
A kind of crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system, air supply system
Including natural gas looped network and oxygen looped network；Oxygen looped network comprising the workshop oxygen gas grid supplied oxygen to gas equipment 7
The oxygen intake pipe of 6A, workshop oxygen gas grid 6A are connected to circlewise with oxygen bleed line.
In this embodiment, natural gas looped network comprising to gas equipment 7 for the workshop natural gas supply net of natural gas, workshop day
The natural gas air inlet pipe of right gas gas grid is connected to circlewise with natural gas escape pipe.The systematic schematic diagram of oxygen and natural gas can be with
Using identical system, Fig. 1 and Fig. 2 is oxygen system schematic diagram in the present embodiment.
In this embodiment, oxygen looped network supply gas pressure is 0.5-1.6Mpa.
In this embodiment, oxygen looped network supply gas pressure is 0.6Mpa.
In this embodiment, gas equipment 7 includes solder cutting gun, which is provided with oxygen intake and Imported gas.
In this embodiment, oxygen looped network is also connected with oxygen deliverng pipe net, oxygen deliverng pipe net include the liquefied oxygen tank vehicle 1 being sequentially connected,
Low-pressure low-temperature liquid oxygen vessel 2, high pressure low temperature liquid oxygen vessel 2A, vaporizer 4, balance air accumulator 5, regulator 51, main valve 52.
In this embodiment, low-pressure admission branch 9A is equipped between liquefied oxygen tank vehicle 1 and low-pressure low-temperature liquid oxygen vessel 2；Liquid oxygen slot
The high pressure admission branch being connected by reversal valve 81 and boosting centrifugal liquid oxygen pump 8 is equipped between vehicle 1 and high pressure low temperature liquid oxygen vessel 2A
Road 9C；Return-air branch 9B is equipped between low-pressure low-temperature liquid oxygen vessel 2 and high pressure low temperature liquid oxygen vessel 2A；High pressure low temperature liquid oxygen vessel
Outlet branch 9D is equipped between 2A and vaporizer 4.Outlet and return-air branch road are equipped with controlled valve, are not specified, belong in figure
The prior art.
In this embodiment, low-pressure low-temperature liquid oxygen vessel 2, high pressure low temperature liquid oxygen vessel 2A pass through emergency bypass 3C and vaporizer
4 are connected, and emergency bypass 3C is equipped with plunger liquid oxygen pump 3 and service valve 31.By the outlet branch 3A and plunger liquid oxygen of the prior art
Pump 3 is arranged to emergency bypass 3C and is used as backup use, substantially increases security performance.
In this embodiment, the reservoir volume of low-pressure low-temperature liquid oxygen vessel 2 is 100m3, pressure store be 0.8Mpa, it is high
The reservoir volume for forcing down warm liquid oxygen vessel 2A is 100m3, pressure store 1.6Mpa.The present invention also provides a kind of crystal industries
Garden multi-user's safety and energy-saving ring-type ultralow pressure air supply method, method and step are as follows：
Step 1: transport：Liquid oxygen is sent to gas station by liquefied oxygen tank vehicle 1 from liquid oxygen manufactory；
Step 2: unloading：Liquefied oxygen tank vehicle 1 unloads liquid oxygen to boosting centrifugal liquid oxygen pump 8, and 2Mpa is pressurized to through centrifuging liquid oxygen pump；
Step 3: storage of higher pressures：Liquid oxygen is transported to the high pressure low temperature liquid oxygen that pressure store is 1.6Mpa by boosting centrifugal liquid oxygen pump 8
Storage tank 2A；
Step 4: room temperature vaporizes：The liquid oxygen that high pressure low temperature liquid oxygen vessel 2A comes out arrives room temperature by the vaporization of vaporizer 4；
Step 5: low pressure air storage：Liquefied oxygen tank vehicle 1 unloads liquid oxygen low-pressure liquid oxygen storage tank for standby use；
Step 6: tank switching：Liquid oxygen in low-pressure liquid oxygen storage tank is pressurized liquid oxygen pump by centrifugation to be transferred in high pressure liquid oxygen vessel；
Step 7: automatically constant pressure supplies：Automatically constant pressure supplies to vaporizer 4 and is pressurized liquid oxygen without starting in high pressure liquid oxygen vessel
Pump.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：The air supply system
Including natural gas looped network and oxygen looped network；
Oxygen looped network comprising to the workshop oxygen gas grid of gas equipment oxygen supply, the oxygen of the workshop oxygen gas grid into
Tracheae is connected to circlewise with oxygen bleed line.
2. crystal industrial park according to claim 1 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The natural gas looped network comprising to gas equipment for the workshop natural gas supply net of natural gas, the workshop natural gas supply
The natural gas air inlet pipe of net is connected to circlewise with natural gas escape pipe.
3. crystal industrial park according to claim 1 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The oxygen looped network supply gas pressure is 0.5-1.6Mpa.
4. crystal industrial park according to claim 3 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The oxygen looped network supply gas pressure is 0.6Mpa.
5. crystal industrial park according to claim 1 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The gas equipment includes solder cutting gun, which is provided with oxygen intake and Imported gas.
6. crystal industrial park according to claim 1 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The oxygen looped network is also connected with oxygen deliverng pipe net, and the oxygen deliverng pipe net includes the liquefied oxygen tank vehicle being sequentially connected, low-pressure low-temperature liquid oxygen
Storage tank, high pressure low temperature liquid oxygen vessel, vaporizer, balance air accumulator, regulator, main valve.
7. crystal industrial park according to claim 6 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
Low-pressure admission branch is equipped between the liquefied oxygen tank vehicle and low-pressure low-temperature liquid oxygen vessel；The liquefied oxygen tank vehicle and the high pressure low temperature
The high pressure admission branch being connected with boosting centrifugal liquid oxygen pump by reversal valve is equipped between liquid oxygen vessel；The low-pressure low-temperature liquid oxygen
Return-air branch is equipped between storage tank and the high pressure low temperature liquid oxygen vessel；The high pressure low temperature liquid oxygen vessel and the vaporizer it
Between be equipped with outlet branch.
8. crystal industrial park according to claim 7 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The low-pressure low-temperature liquid oxygen vessel, the high pressure low temperature liquid oxygen vessel are connected by emergency bypass with vaporizer, the spare branch
Road is equipped with plunger liquid oxygen pump and service valve.
9. crystal industrial park according to claim 8 safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that：
The reservoir volume of the low-pressure low-temperature liquid oxygen vessel is 100m3, pressure store be 0.8Mpa, high pressure low temperature liquid oxygen storage
The reservoir volume of slot is 100m3, pressure store 1.6Mpa.
10. crystal industrial park multi-user's safety and energy-saving ring-type ultralow pressure air supply method, it is characterised in that：The method step
It is as follows：
Step 1: transport：Liquid oxygen is sent to gas station by liquefied oxygen tank vehicle from liquid oxygen manufactory；
Step 2: unloading：Liquefied oxygen tank vehicle unloads liquid oxygen to boosting centrifugal liquid oxygen pump, and 2Mpa is pressurized to through centrifuging liquid oxygen pump；
Step 3: storage of higher pressures：Liquid oxygen is transported to the high pressure low temperature liquid oxygen that pressure store is 1.6Mpa by boosting centrifugal liquid oxygen pump
Storage tank；
Step 4: room temperature vaporizes：The liquid oxygen that high pressure low temperature liquid oxygen vessel comes out is vaporized by vaporizer to room temperature；
Step 5: low pressure air storage：Liquefied oxygen tank vehicle unloads liquid oxygen low-pressure liquid oxygen storage tank for standby use；
Step 6: tank switching：Liquid oxygen in low-pressure liquid oxygen storage tank is pressurized liquid oxygen pump by centrifugation to be transferred in high pressure liquid oxygen vessel；
Step 7: automatically constant pressure supplies：Automatically constant pressure supplies to vaporizer and is pressurized liquid oxygen without starting in high pressure liquid oxygen vessel
Pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305864.2A CN108317390A (en) | 2018-04-08 | 2018-04-08 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system and air supply method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305864.2A CN108317390A (en) | 2018-04-08 | 2018-04-08 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system and air supply method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138675A (en) * | 1995-06-22 | 1996-12-25 | 寇喜寿 | Tech. for welding or cutting metal by using LPG |
| JP2007132460A (en) * | 2005-11-11 | 2007-05-31 | Ito Koki Kk | Lpg temporary supply device |
| JP2010031904A (en) * | 2008-07-25 | 2010-02-12 | Tokyo Electric Power Co Inc:The | Vaporized gas supply system of low-temperature liquid |
| CN201419303Y (en) * | 2009-03-08 | 2010-03-10 | 青岛科瑞特激光设备有限公司 | Oxygen supplier for laser cutting machines |
| CN102869471A (en) * | 2010-04-20 | 2013-01-09 | 大阳日酸株式会社 | Gas cutting method, gas cutting device, and cutting nozzle |
| CN203404603U (en) * | 2013-07-26 | 2014-01-22 | 苍溪县大通天然气投资有限公司 | Welding and cutting gas filling equipment |
| CN203442862U (en) * | 2013-08-01 | 2014-02-19 | 陕西省电力设计院 | Supply gas pressure balanced system of gas boiler |
| CN203604983U (en) * | 2013-12-16 | 2014-05-21 | 湖南铁达能源科技有限公司 | High-purity gas subpackaging system |
| CN203837412U (en) * | 2014-05-09 | 2014-09-17 | 沈阳洪生气体有限公司 | Air separation production diffused oxygen recycling device |
| CN205806919U (en) * | 2016-06-15 | 2016-12-14 | 鞍山华融富瑞新能源科技有限公司 | A kind of welding and cutting natural gas device and LNG air supply system |
| CN207080807U (en) * | 2017-08-25 | 2018-03-09 | 成都华气厚普机电设备股份有限公司 | A kind of seagoing vessel LNG fuel low pressure air supply system |
| CN208237485U (en) * | 2018-04-08 | 2018-12-14 | 浙江省浦江高峰管道燃气有限公司 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system |
-
2018
- 2018-04-08 CN CN201810305864.2A patent/CN108317390A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138675A (en) * | 1995-06-22 | 1996-12-25 | 寇喜寿 | Tech. for welding or cutting metal by using LPG |
| JP2007132460A (en) * | 2005-11-11 | 2007-05-31 | Ito Koki Kk | Lpg temporary supply device |
| JP2010031904A (en) * | 2008-07-25 | 2010-02-12 | Tokyo Electric Power Co Inc:The | Vaporized gas supply system of low-temperature liquid |
| CN201419303Y (en) * | 2009-03-08 | 2010-03-10 | 青岛科瑞特激光设备有限公司 | Oxygen supplier for laser cutting machines |
| CN102869471A (en) * | 2010-04-20 | 2013-01-09 | 大阳日酸株式会社 | Gas cutting method, gas cutting device, and cutting nozzle |
| CN203404603U (en) * | 2013-07-26 | 2014-01-22 | 苍溪县大通天然气投资有限公司 | Welding and cutting gas filling equipment |
| CN203442862U (en) * | 2013-08-01 | 2014-02-19 | 陕西省电力设计院 | Supply gas pressure balanced system of gas boiler |
| CN203604983U (en) * | 2013-12-16 | 2014-05-21 | 湖南铁达能源科技有限公司 | High-purity gas subpackaging system |
| CN203837412U (en) * | 2014-05-09 | 2014-09-17 | 沈阳洪生气体有限公司 | Air separation production diffused oxygen recycling device |
| CN205806919U (en) * | 2016-06-15 | 2016-12-14 | 鞍山华融富瑞新能源科技有限公司 | A kind of welding and cutting natural gas device and LNG air supply system |
| CN207080807U (en) * | 2017-08-25 | 2018-03-09 | 成都华气厚普机电设备股份有限公司 | A kind of seagoing vessel LNG fuel low pressure air supply system |
| CN208237485U (en) * | 2018-04-08 | 2018-12-14 | 浙江省浦江高峰管道燃气有限公司 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system |
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Effective date of registration: 20200915 Address after: 322299 No. 366 South Bridge Road, Pujiang County, Jinhua, Zhejiang Applicant after: Pujiang Chengsheng Gas Co., Ltd Address before: 322299 No. 366 South Bridge Road, Pujiang County, Jinhua, Zhejiang Applicant before: ZHEJIANG PUJIANG GAOFENG PIPELINE GAS Co.,Ltd. |