CN208566680U - Crystal processes energy-efficient ultralow pressure combustion system - Google Patents
Crystal processes energy-efficient ultralow pressure combustion system Download PDFInfo
- Publication number
- CN208566680U CN208566680U CN201820488395.8U CN201820488395U CN208566680U CN 208566680 U CN208566680 U CN 208566680U CN 201820488395 U CN201820488395 U CN 201820488395U CN 208566680 U CN208566680 U CN 208566680U
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- Prior art keywords
- oxygen
- natural gas
- gas
- combustion system
- pressure combustion
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Abstract
The utility model discloses crystals to process energy-efficient ultralow pressure combustion system, and system includes solder cutting gun and its gas transmission pipeline net work;Solder cutting gun, it include the rifle mouth and gun body using 0.6Mpa low pressure natural gas and oxygen, gun body is equipped with the natural gas branch pipe that is connected with natural gas looped network, and the oxygen manifold being connected with oxygen looped network is additionally provided with the micro-nozzle for being directly connected to rifle mouth and natural gas branch pipe.A kind of crystal processing energy-efficient ultralow pressure combustion system and combustion method provided by the utility model.The system passes through cyclic annular gas supply and ultralow pressure combustion system, it can be realized low pressure to stablize gas supply and the stable burning of low pressure 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 oxygen to integrate supply technology field, and in particular to a kind of crystal processing use is efficient
Energy saving ultralow pressure combustion 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 combustion system 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 crystals to process with energy-efficient
Ultralow pressure combustion system and combustion method.The system can be realized low pressure and stablized by cyclic annular gas supply and ultralow pressure combustion system
Gas supply and low pressure stablize burning, can reduce maintenance and use cost simultaneously, improve gas transmission pipeline net work security performance, by gas supply system
The optimization design of system can greatly save maintenance cost and energy consumption.
The utility model specific technical solution is as follows: crystal processing energy-efficient ultralow pressure combustion system, the system
Including solder cutting gun and its gas transmission pipeline net work;Solder cutting gun, it include the rifle mouth and gun body using 0.6Mpa low pressure natural gas and oxygen, rifle
Body is equipped with the natural gas branch pipe that is connected with natural gas looped network, and the oxygen manifold being connected with oxygen looped network is additionally provided with and is directly connected to rifle
The micro-nozzle of mouth and natural gas branch pipe.
Preferably, the rifle mouth connection gun barrel, the gun barrel connect the gun body, mixture of oxygen is equipped in the gun body
With the O-shaped mixing chamber of natural gas.
Preferably, micro-nozzle one end insertion is set to the inside of the gun barrel and runs through rifle mouth.
Preferably, the natural gas branch pipe connects natural gas fire arrester, natural gas pressure-reducing valve, natural by natural gas tube
Air-flow scale.
Preferably, the oxygen manifold connects oxygen flame arrester, oxygen pressure reducing valve, oxygen flowmete by oxygen hose.
Preferably, the rifle mouth includes igniter, the rotary switch that is connected with igniter, the rifle mouth is equipped with outer ring
Spray orifice and inner ring spray orifice.
Preferably, the outer ring spray orifice is connected with the micro-nozzle, the inner ring spray orifice is connected to the gun barrel.
Preferably, the oxygen looped network comprising to the workshop oxygen gas grid that gas equipment supplies oxygen, the workshop oxygen
The oxygen intake pipe of gas gas grid is connected to circlewise with oxygen bleed line.
Preferably, the natural gas looped network comprising to gas equipment for the workshop natural gas supply net of natural gas, institute
The natural gas air inlet pipe for stating workshop natural gas supply net is connected to circlewise with natural gas escape pipe.
The utility model also provides a kind of crystal processing energy-efficient ultralow pressure combustion method, and the method step is such as
Under:
The first step opens natural gas depressurization device switch;
Second step opens oxygen pressure reducer switch;
Third step opens oxygen manifold switch and natural gas branch pipe switch, is formed so that portion gas premix merging
Uniformly mixed oxygen and natural oxygen mixture;
4th step opens knob ignition switch, and natural gas is annularly sprayed by micro-nozzle and outer ring spray orifice, while electronics
Igniter fire, natural gas disperses combustion simultaneously form annular flame;
5th step, opens main switch, and mixed gas enters gun barrel;
6th step, mixed gas enters inner ring spray orifice by gun barrel, in oxygen-containing sufficient mixed gas in inner ring spray orifice
It sprays, and by the flame ignition of outer ring spray orifice.
Preferably, oxygen looped network comprising to the workshop oxygen gas grid that gas equipment supplies oxygen, the workshop oxygen is supplied
The oxygen intake pipe of gas net is connected to circlewise with oxygen bleed line.
Preferably, the natural gas looped network comprising to gas equipment for the workshop natural gas supply net of natural gas, institute
The natural gas air inlet pipe for stating workshop natural gas supply net is connected to circlewise with natural gas escape pipe.
Preferably, the oxygen looped network supply gas pressure is 0.5-1.6Mpa.
Preferably, the oxygen looped network supply gas pressure is 0.6Mpa.
Preferably, the oxygen looped network is also connected with oxygen deliverng pipe net, the 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 the liquefied oxygen tank vehicle and low-pressure low-temperature liquid oxygen vessel;The liquid oxygen
The high pressure admission branch being connected by reversal valve and boosting centrifugal liquid oxygen pump is equipped between tank car and the high pressure low temperature liquid oxygen vessel
Road;Return-air branch is equipped between the low-pressure low-temperature liquid oxygen vessel and the high pressure low temperature liquid oxygen vessel;The high pressure low temperature liquid
Outlet branch is equipped between oxygen storage tank and the vaporizer.
Preferably, the low-pressure low-temperature liquid oxygen vessel, the high pressure low temperature liquid oxygen vessel pass through emergency bypass and vaporization
Device is connected, and the emergency bypass is equipped with plunger liquid oxygen pump and service valve.
Preferably, the reservoir volume of the low-pressure low-temperature liquid oxygen vessel is 100m3, pressure store be 0.8Mpa,
The reservoir volume of the high pressure low temperature liquid oxygen vessel is 100m3, pressure store 1.6Mpa.
Preferably, steps are as follows for the air supply method of gas transmission pipeline net work:
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. combustion system can be avoided the oxygen damage at initial stage using the solder cutting gun for capableing of ultralow stable gas pressure burning, solder cutting gun
It loses, while processing transition stage in crystal, while maintaining the micro- spray of the small flare of low pressure to burn by micro-nozzle, welding can be reduced
A large amount of wastes of oxygen and natural gas when rifle is opened, save cost.
2. 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.
3. 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.
4. 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 utility model solder cutting gun schematic cross-sectional view.
Fig. 2 is the utility model solder cutting gun nozzle schematic diagram.
Fig. 3 is the systematic schematic diagram of prior art oxygen looped network.
Fig. 4 is the systematic schematic diagram of the utility model oxygen looped network.
Specific embodiment
Referring to attached drawing, the utility model solder cutting gun is as shown in Figure 1, a kind of processing of crystal is burnt with energy-efficient ultralow pressure and is
System and combustion method, system include solder cutting gun (namely gas equipment 7) and its gas transmission pipeline net work;Solder cutting gun, it include use
The rifle mouth 104 and gun body 105 of 0.6Mpa low pressure natural gas and oxygen, gun body 105 are equipped with the natural gas that is connected with natural gas looped network
Branch pipe 101, the oxygen manifold 102 being connected with oxygen looped network are additionally provided with and are directly connected to the micro- of rifle mouth 104 and natural gas branch pipe 101
Jet pipe 103.
In the present embodiment, rifle mouth 104 connects gun barrel 106, gun barrel 106 connects gun body 105, is equipped with mixing in gun body 105
The O-shaped mixing chamber 107 of oxygen and natural gas.
In the present embodiment, micro-nozzle 103 is set to the inside of gun barrel 106.
In the present embodiment, natural gas branch pipe 101 connects natural gas fire arrester 108, natural gas depressurization by natural gas tube
Valve 109, natural gas flow scale 110.
In the present embodiment, oxygen manifold 102 connects oxygen flame arrester 111, oxygen pressure reducing valve 112, oxygen by oxygen hose
Air-flow scale 113.
In the present embodiment, the rotary switch 115 that rifle mouth 104 includes igniter 114, is connected with igniter 114, rifle mouth
104 are equipped with outer ring spray orifice 116 and inner ring spray orifice 117.
In the present embodiment, outer ring spray orifice 116 is connected with micro-nozzle 103, and inner ring spray orifice 117 is connected to gun barrel 106.
Prior art systems schematic diagram is as shown in Figure 2.Successively include: liquefied oxygen tank vehicle 1, low-pressure low-temperature liquid oxygen vessel 2, show
Have an air inlet branch road 3B and outlet branch 3A, plunger liquid oxygen pump 3, vaporizer 4, balance air accumulator 5, regulator 51, main valve 52,
Existing linear gas grid 6.
The utility model technology gas transmission pipeline net work is as shown in Figure 3.
In the present embodiment, the oxygen looped network comprising to the workshop oxygen gas grid that gas equipment supplies oxygen, the vehicle
Between the oxygen intake pipe of oxygen gas grid be connected to circlewise with oxygen bleed line.
In the present embodiment, the natural gas looped network comprising to gas equipment for the workshop natural gas supply of natural gas
The natural gas air inlet pipe of net, the workshop natural gas supply net is connected to circlewise with natural gas escape pipe.
The utility model also provides a kind of crystal processing energy-efficient ultralow pressure combustion method, and the method step is such as
Under:
The first step opens natural gas depressurization device switch;
Second step opens oxygen pressure reducer switch;
Third step, opens the switch of oxygen manifold 102 and natural gas branch pipe 101 switchs, so that portion gas is pre-mixed
And form uniformly mixed oxygen and natural oxygen mixture;Pass through manual flow divider 118 simultaneously for the natural of natural gas branch pipe
Gas part shunts and flows to micro- jet branch pipe.
4th step, opens knob ignition switch 115, and natural gas is annularly sprayed by micro-nozzle 103 and outer ring spray orifice 116
Out, while ignition receives 114 igniting, and natural gas disperses combustion simultaneously forms annular flame;
5th step opens main switch 119, adjusts flow switch 120, and mixed gas enters gun barrel 106;
6th step, mixed gas enter inner ring spray orifice 117, inner ring in oxygen-containing sufficient mixed gas by gun barrel 106
It is sprayed in spray orifice 117, and by the flame ignition of outer ring spray orifice 116.
Gas transmission pipeline net work
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 processes energy-efficient ultralow pressure combustion system, it is characterised in that: the system comprises welding rifle and its gas supply
Pipe network;
Solder cutting gun, it include the rifle mouth and gun body using 0.6Mpa low pressure natural gas and oxygen, gun body is equipped with and natural compression ring
The natural gas branch pipe that is connected is netted, the oxygen manifold being connected with oxygen looped network is additionally provided with and is directly connected to the micro- of rifle mouth and natural gas branch pipe
Jet pipe.
2. crystal according to claim 1 processes energy-efficient ultralow pressure combustion system, it is characterised in that: the rifle mouth
Connect gun barrel, the gun barrel connects the gun body, the O-shaped mixing chamber equipped with mixture of oxygen and natural gas in the gun body.
3. crystal according to claim 2 processes energy-efficient ultralow pressure combustion system, it is characterised in that: micro- spray
The insertion of pipe one end is set to the inside of the gun barrel and runs through rifle mouth.
4. crystal according to claim 1 processes energy-efficient ultralow pressure combustion system, it is characterised in that: described natural
Gas branch pipe connects natural gas fire arrester, natural gas pressure-reducing valve, natural gas flow scale by natural gas tube.
5. crystal according to claim 1 processes energy-efficient ultralow pressure combustion system, it is characterised in that: the oxygen
Branch pipe connects oxygen flame arrester, oxygen pressure reducing valve, oxygen flowmete by oxygen.
6. crystal according to claim 2 processes energy-efficient ultralow pressure combustion system, it is characterised in that: the rifle mouth
Including igniter, the rotary switch being connected with igniter, the rifle mouth is equipped with outer ring spray orifice and inner ring spray orifice.
7. crystal according to claim 6 processes energy-efficient ultralow pressure combustion system, it is characterised in that: the outer ring
Spray orifice is connected with the micro-nozzle, and the inner ring spray orifice is connected to the gun barrel.
8. crystal according to claim 1 processes energy-efficient ultralow pressure combustion system, it is characterised in that: the oxygen
Looped network comprising to the workshop oxygen gas grid that gas equipment supplies oxygen, the oxygen intake pipe and oxygen of the workshop oxygen gas grid
Gas escape pipe is connected to circlewise.
9. crystal according to claim 1 processes energy-efficient ultralow pressure combustion system, it is characterised in that: described natural
Compression ring net comprising supply natural workshop natural gas supply net, the natural gas of the workshop natural gas supply net to gas equipment
Air inlet pipe is connected to circlewise with natural gas escape pipe.
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CN201820488395.8U CN208566680U (en) | 2018-04-08 | 2018-04-08 | Crystal processes energy-efficient ultralow pressure combustion system |
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CN201820488395.8U CN208566680U (en) | 2018-04-08 | 2018-04-08 | Crystal processes energy-efficient ultralow pressure combustion system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108488790A (en) * | 2018-04-08 | 2018-09-04 | 浙江省浦江高峰管道燃气有限公司 | Crystal processing energy-efficient ultralow pressure combustion system and combustion method |
-
2018
- 2018-04-08 CN CN201820488395.8U patent/CN208566680U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108488790A (en) * | 2018-04-08 | 2018-09-04 | 浙江省浦江高峰管道燃气有限公司 | Crystal processing energy-efficient ultralow pressure combustion system and combustion method |
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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: 20190301 Termination date: 20200408 |