CN208237485U - Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system - Google Patents
Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system Download PDFInfo
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- CN208237485U CN208237485U CN201820488513.5U CN201820488513U CN208237485U CN 208237485 U CN208237485 U CN 208237485U CN 201820488513 U CN201820488513 U CN 201820488513U CN 208237485 U CN208237485 U CN 208237485U
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- oxygen
- air supply
- gas
- liquid oxygen
- supply system
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Abstract
The utility model 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 that gas equipment supplies oxygen, 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 utility model safety and energy-saving ring-type ultralow pressure air supply system, it passes through cyclic annular gas supply, it can be realized low pressure to stablize gas supply while can reduce maintenance and use cost, improving 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 utility model relates to natural gases and the comprehensive supply technology field of oxygen, and in particular to a kind of crystal industrial park peace
Complete energy-saving cyclic annular ultralow pressure air supply system.
Background technique
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
Gas source of the factory using the liquid oxygen steel cylinder and liquefied natural gas bottle of dispersion as its solder cutting gun, such production method hidden danger is larger, warp
Explosion accident often occurs, causes serious casualties.For the security risk for reducing 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 lower and can not produce, in order to guarantee 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, security level, 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 be realized 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.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of crystal industrial park safety sections
It can type ring shape ultralow pressure air supply system.The device can be realized low pressure and stablized gas supply while can reduce dimension by cyclic annular gas supply
Shield and use cost improve gas transmission pipeline net work security performance, the optimization design by air supply system, can greatly save maintenance cost
And energy consumption.
The utility model specific technical solution 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 supplied to the workshop oxygen that gas equipment supplies oxygen
The oxygen intake pipe of net, above-mentioned 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, on
The natural gas air inlet pipe for stating workshop natural gas supply net is 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 utility model additionally provides one kind
Crystal 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 from liquid oxygen manufactory by liquefied oxygen tank vehicle;
Step 2: unloading: liquefied oxygen tank vehicle unloads liquid oxygen to boosting centrifugal liquid oxygen pump, is centrifuged liquid oxygen pump and is pressurized to
2Mpa;
Step 3: storage of higher pressures: liquid oxygen is transported to the high pressure low temperature that pressure store is 1.6Mpa by boosting centrifugal liquid oxygen pump
Liquid oxygen vessel;
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: the liquid oxygen in low-pressure liquid oxygen storage tank is transferred to the storage of high pressure liquid oxygen by centrifugation pressurization liquid oxygen pump
In slot;
Step 7: automatically constant pressure supplies: automatically constant pressure is supplied to vaporizer and is pressurized without starting in high pressure liquid oxygen vessel
Liquid oxygen pump.
Beneficial effect
1. using pipe network ring-type constant pressure air feeding, pipeline inlet and outlet tip tube in workshop is linked to be ring-type, pressure reduction is arrived
0.6Mpa can satisfy 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, material easily purchase easily it is general, while be greatly saved decompression after energy consumption.
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,
The topology layout that the ultralow pressure of oxygen deliverng pipe net is supplied is further improved technique according to ring-type gas supply, reaches safe section
Can ultralow pressure gas supply purpose, only unload during normal gas supply or when tank switching just need to start boosting centrifugal liquid oxygen pump,
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.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of prior art oxygen looped network.
Fig. 2 is the systematic schematic diagram of the utility model oxygen looped network.
Specific embodiment
Referring to attached drawing, the prior art is as shown in Figure 1.It successively include: 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 utility model technology 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 supplied to the workshop oxygen that gas equipment 7 supplies oxygen
6A is netted, the oxygen intake pipe of workshop oxygen gas grid 6A is 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, vehicle
Between the natural gas air inlet pipe of natural gas supply net be connected to circlewise with natural gas escape pipe.The systematic schematic diagram of oxygen and natural gas
Identical system can be used, 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 uses as backup, 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 utility model additionally provides a kind of crystal
Industrial park 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 from liquid oxygen manufactory by liquefied oxygen tank vehicle 1;
Step 2: unloading: liquefied oxygen tank vehicle 1 unloads liquid oxygen to boosting centrifugal liquid oxygen pump 8, is centrifuged liquid oxygen pump and is pressurized to
2Mpa;
Step 3: storage of higher pressures: liquid oxygen is transported to the high pressure low temperature that pressure store is 1.6Mpa by boosting centrifugal liquid oxygen pump 8
Liquid oxygen vessel 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: the liquid oxygen in low-pressure liquid oxygen storage tank is transferred to the storage of high pressure liquid oxygen by centrifugation pressurization liquid oxygen pump
In slot;
Step 7: automatically constant pressure supplies: automatically constant pressure is supplied to vaporizer 4 and is pressurized without starting in high pressure liquid oxygen vessel
Liquid oxygen pump.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
These improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system, it is characterised in that: the air supply system includes day
Right compression ring net and oxygen looped network;
Oxygen looped network comprising to the workshop oxygen gas grid that gas equipment supplies oxygen, 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, feature exist
In: 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 by reversal valve with boosting centrifugal liquid oxygen pump 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 is 0.8Mpa, the high pressure low temperature liquid oxygen storage
The reservoir volume of slot is 100m3 , pressure store 1.6Mpa.
Priority Applications (1)
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CN201820488513.5U CN208237485U (en) | 2018-04-08 | 2018-04-08 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system |
Applications Claiming Priority (1)
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CN201820488513.5U CN208237485U (en) | 2018-04-08 | 2018-04-08 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system |
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CN208237485U true CN208237485U (en) | 2018-12-14 |
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ID=64585970
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CN201820488513.5U Expired - Fee Related CN208237485U (en) | 2018-04-08 | 2018-04-08 | Crystal industrial park safety and energy-saving ring-type ultralow pressure air supply system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317390A (en) * | 2018-04-08 | 2018-07-24 | 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 and air supply method |
-
2018
- 2018-04-08 CN CN201820488513.5U patent/CN208237485U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317390A (en) * | 2018-04-08 | 2018-07-24 | 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 and air supply method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20200408 |