CN104421960B - One kind energy-conservation waste gas altar lamp ignition system and its ignition method - Google Patents
One kind energy-conservation waste gas altar lamp ignition system and its ignition method Download PDFInfo
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- CN104421960B CN104421960B CN201310369538.5A CN201310369538A CN104421960B CN 104421960 B CN104421960 B CN 104421960B CN 201310369538 A CN201310369538 A CN 201310369538A CN 104421960 B CN104421960 B CN 104421960B
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- 239000002912 waste gas Substances 0.000 title claims abstract description 59
- 238000004134 energy conservation Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 239000007789 gas Substances 0.000 claims abstract description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 80
- 239000003345 natural gas Substances 0.000 claims description 40
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000153 supplemental effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Waste gas altar lamp ignition system is saved the invention discloses one kind, the natural air-air source being connected including altar lamp fire group and with the fire group, the altar lamp fire group includes lamp ignition apparatus kept burning day and night, it includes altar lamp path and igniting path, and many source of the gas altar lamp ignition systems are characterised by：It also includes flammable discharge waste gas source of the gas, point flow container and classification water sealed tank, and the flammable discharge waste gas source of the gas is connected classification water sealed tank after being connected with a point flow container；The altar lamp fire group includes at least two sets lamp ignition apparatus kept burning day and night, and the classification water sealed tank is connected with the altar lamp path of a set of lamp ignition apparatus kept burning day and night of wherein at least；The natural air-air source is connected with respectively covering the igniting path of lamp ignition apparatus kept burning day and night in the altar lamp fire group；The flammable discharge waste gas source of the gas is connected in parallel with the natural air-air source.The present invention can light altar lamp as source of the gas by the use of gas is discharged and can be by source of the gas Multi-class propagation and safety and reliability.
Description
Technical field
Waste gas altar lamp ignition system is saved the present invention relates to one kind, specifically, stone can be utilized the present invention relates to one kind
The combustible gas or torch assembly tail gas produced in the refining process such as oiling work, coal chemical industry is long as many gas source energy saving waste gas of fuel
Bright lamp ignition system and its ignition method.
Background technology
A large amount of pollution air, or even poisonous and hazardous gas are produced in the refining process such as existing petrochemical industry, coal chemical industry
Body（Such as：Fuel gas H 2 S-containing gas, ammonia etc.；If can be using ground flare burning without harmful fuel gas
Processing）, burning processing is generally carried out to waste gas using ground flare device or overhead torch device, due to the exhausted air quantity of discharge
Greatly, even need to set many set flare systems sometimes, totally tens altar lamps.Ground flare device and overhead torch device are necessary
Altar lamp is set；A set of ground flare device typically at least needs 3 to 5 altar lamps, and a set of overhead torch device is typically minimum
2 to 4 altar lamps or many set overhead torch altar lamps is needed to set, the fuel quantity of every altar lamp consumption is 3.0Nm3/h。
Altar lamp natural gas and liquefied gas are as fuel, and power consumption is high, operating cost height etc..
The content of the invention
In order to solve existing altar lamp fire group only with natural gas and liquefied gas as fuel, the problem of consuming energy high,
Waste gas altar lamp ignition system is saved the invention provides one kind, petrochemical industry, coal chemical industry etc. are refined processed with altar lamp
The combustible gas waste gas produced in journey saves altar lamp fuel usage amount as fuel combustion, so that the energy and operating cost are saved,
And reduce pollution of the above-mentioned discharge gas to environment.In addition, many source of the gas altar lamp ignition systems of the present invention also include offgas fractionation
The structure of water sealed tank, it is ensured that system safety simultaneously realizes that combustible exhaust gas maximum is utilized and other heaters.
One kind energy-conservation waste gas altar lamp ignition system, including altar lamp fire group and the natural gas gas that is connected with the fire group
Source, the altar lamp fire group includes lamp ignition apparatus kept burning day and night, and the lamp ignition apparatus kept burning day and night includes altar lamp path and point
Fiery path, many source of the gas altar lamp ignition systems are characterised by：
It also includes flammable discharge waste gas source of the gas, point flow container and classification water sealed tank, the flammable discharge waste gas source of the gas with
Flow container is divided to connect classification water sealed tank after being connected；
The altar lamp fire group includes at least two sets lamp ignition apparatus kept burning day and night, the classification water sealed tank and wherein at least one
The altar lamp path for covering lamp ignition apparatus kept burning day and night is connected；
The natural air-air source is connected with respectively covering the igniting path of lamp ignition apparatus kept burning day and night in the altar lamp fire group；
The flammable discharge waste gas source of the gas is connected in parallel with the natural air-air source.
The classification water sealed tank is the integral water by setting multiple water sealed tanks to be classified dividing plate formation in a water sealed tank
Sealed cans formula is classified water tight compartment, the exhaust gas entrance that insertion is connected with the discharge gas source of the gas respectively in the water seal of each classification water tight compartment
In pipeline, each classification water tight compartment in entrance pipe insertion water seal below liquid level；Gas outlet tube is set at the top of each classification water tight compartment
Road, wherein at least one gas exit line is connected with vacuum tank, and the connecting line of the water sealed tank and the vacuum tank is controlled with PLC
Cabinet processed is connected.
The natural air-air source is connected with three-way connection (pipe) line, and wherein first via pipeline is by the natural air-air source and the voltage stabilizing
Tank is connected, wherein the second road pipeline is by least one in the natural air-air source and the vacuum tank and the altar lamp fire group
The altar lamp path for covering lamp ignition apparatus kept burning day and night is connected, wherein three-way connection (pipe) line is by the natural air-air source and the altar lamp
The igniting path that lamp ignition apparatus kept burning day and night is respectively covered in fire group is connected, and above-mentioned three-way connection (pipe) line is connected with the PLC control cabinet
Connect.
The three-way connection (pipe) line of the natural air-air source connection is connected with blue formula filter, direct-operated regulator, check-valves, institute jointly
State on three-way connection (pipe) line, wherein,
Valve and parallel connection are connected to before magnetic valve, restriction orifice, check valve, the magnetic valve are connected with first via pipeline
There is the backup bypass controlled by hand valve, the magnetic valve is connected with the PLC control cabinet；
It is connected to before magnetic valve, check valve, spark arrester valve group, check-valves, the magnetic valve are connected with second road pipeline
Valve and the backup bypass controlled by hand valve is parallel with, the magnetic valve is connected with the PLC control cabinet, the check valve connects
Have and two-way pipeline connected after valve, the valve, connect all the way after spark arrester valve group, valve with the altar lamp fire group
The altar lamp path of at least a set of lamp ignition apparatus kept burning day and night is connected, and is connected all the way by check-valves with the vacuum tank；
Three-way connection (pipe) line connects the point that lamp ignition apparatus kept burning day and night is respectively covered in altar lamp fire group by same Valve controlling
Fiery path, the igniting path for respectively covering lamp ignition apparatus kept burning day and night includes magnetic valve and fire-leading cylinder, and the fire-leading cylinder connects high energy
Igniter, it is respectively connected with a valve by PLC control cabinet control, the magnetic valve two ends, and the magnetic valve and two ends valve are common
The spare duct controlled by hand valve is parallel with, the magnetic valve is connected with the PLC control cabinet, each set altar lamp igniting
The altar lamp path connection altar lamp of device, the altar lamp is lighted by fire-leading cylinder.
The spark arrester valve group includes two spark arrester set groups being connected in parallel, a spark arrester set group include spark arrester and
The valve of its two ends connection, another spark arrester set group includes the valve that standby spark arrester and its two ends are connected.
The gas exit line set at the top of the classification water sealed tank of the flammable discharge waste gas source of the gas connection and the voltage stabilizing
Exhaust gas pressure switch, magnetic valve, blue formula filter, direct-operated regulator, restriction orifice and check valve are connected to before tank connection,
The magnetic valve is connected with exhaust gas pressure switch with the PLC control cabinet；
The magnetic valve is provided with the gas vent set at the top of the backup bypass controlled by hand valve, the classification water sealed tank
The vacuum tank is connected after the exhaust gas pressure switch, the check valve connecting valve are connected after pipeline connecting valve；
Pressure transmitter is set at the top of the vacuum tank, and it is connected with the PLC control cabinet.
It is described classification water sealed tank have at least two classification water tight compartments.
Water-level control apparatus is set in each water tight compartment of the classification water sealed tank to adjust water level height, and water compensating valve
Door, the water supply valve can be water supply valve manually or automatically.According to control pressure water level needs, manually or automatically beat
Open classification water sealed tank water compensating valve, automatic water supplement.
Steam heater is set in the vacuum tank.
The energy-conservation waste gas altar lamp ignition system of the present invention realizes altar lamp ignition method, and step is as follows：
Pass through the second road and the 3rd road natural gas igniting altar lamp first：
Natural air-air source is opened, normally open valve makes natural gas distinguish by blue formula filter, direct-operated regulator, check-valves
Into three-way connection (pipe) line, magnetic valve in three-way connection (pipe) line is opened by PLC control cabinet；
In three-way connection (pipe) line, natural gas opens magnetic valve by PLC controls and enters fire-leading cylinder；Meanwhile, PLC control cabinet is given
High-energy igniter power supply, igniter sends spark ignition natural gas；
In the second road pipeline, natural gas enters altar lamp, the 3rd pass by check valve, spark arrester or standby spark arrester
Fiery cylinder flame ignites altar lamp；
In first via pipeline, natural gas passes through magnetic valve, current limliting control plate（Regulating valve）, check valve to vacuum tank, non-return
Valve, spark arrester or standby spark arrester enter altar lamp；
Thermocouple is installed in altar lamp, the flame that altar lamp sprays produces heat and is delivered to PLC controls by thermocouple
Cabinet, PLC control cabinet sends control signal, closes in three-way connection (pipe) line and connects the magnetic valve and high-energy igniter power supply of fire-leading cylinder,
Altar lamp completes igniting flow.
When petrochemical plant starts production, flammable discharge waste gas is produced, it passes through in a point flow container, classification water sealed tank
Water tight compartment, pressure switch, magnetic valve, blue formula filter, direct-operated regulator, restriction orifice, check valve to vacuum tank；
Pressure transmitter on vacuum tank detects pressure, and pressure signal uploads to PLC control cabinet, and PLC control cabinet makes
Magnetic valve open, natural air-air source along first via pipeline by restriction orifice, check valve to vacuum tank, flammable discharge waste gas and day
Right gas is mixed in vacuum tank；
After flammable discharge waste gas is mixed with natural gas, pass through check-valves, spark arrester or standby spark arrester to altar lamp；This
When, No. second altar lamp and the mixed combustion again of first via altar lamp gas, being located at the thermocouple of altar lamp, to detect burning steady
Determine signal and pass to PLC control cabinet, PLC control cabinet closes the second way solenoid valve；
When pressure transmitter detection pressure at the top of vacuum tank is reduced, PLC control cabinet opens three-way electromagnetic valve to mend
Fill natural gas or open the second way solenoid valve with supplemental natural gas；
Gas exit line connection discharge pipe line at the top of water tight compartment in the classification water sealed tank, by flammable discharge waste gas
It is passed through after heating furnace, boiler or ground flare burner or overhead torch burner and discharges.
Many source of the gas altar lamp ignition systems provided by the present invention can light kept burning day and night by the use of flammable discharge waste gas as source of the gas
Lamp, solves the problem of altar lamp power consumption is high, reduces operating cost, and reduces pollution of the above-mentioned discharge gas to environment, and this is
System sets the structure of offgas fractionation water sealed tank, it is ensured that safety simultaneously can will discharge qi leel Multi-class propagation.For different heating device institute
The heating fuel gas needed.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment 1 of the energy-conservation waste gas altar lamp ignition system of the present invention.
Fig. 2 is the schematic diagram of the embodiment 2 of the energy-conservation waste gas altar lamp ignition system of the present invention.
Embodiment
With reference to embodiment, the present invention is further illustrated.
Embodiment 1
A kind of energy-conservation waste gas altar lamp ignition system as shown in Figure 1, including altar lamp fire group and with the fire group phase
Natural air-air source 2 even, the altar lamp fire group includes lamp ignition apparatus kept burning day and night, and the lamp ignition apparatus kept burning day and night includes kept burning day and night
Lamp path and igniting path, many source of the gas altar lamp ignition systems are characterised by：
It also includes flammable discharge waste gas source of the gas 16, point flow container 18 and classification water sealed tank 19, the flammable discharge waste gas
Source of the gas 16 is connected classification water sealed tank 19, vacuum tank 27 after being connected with a point flow container 18；
The altar lamp fire group includes three sets of lamp ignition apparatus kept burning day and night, the classification water sealed tank 19 and described three sets it is kept burning day and night
The altar lamp path of lamp ignition apparatus is connected；
The natural air-air source 2 is connected with respectively covering the igniting path of lamp ignition apparatus kept burning day and night in the altar lamp fire group
Connect；
The flammable discharge waste gas source of the gas 16 is connected in parallel with the natural air-air source 2.
The classification water sealed tank 19 is the one by setting multiple water sealed tanks to be classified dividing plate formation in a water sealed tank
Water seal pot type is classified water tight compartment（Such as water tight compartment 38,26）, insertion discharges gas gas with described respectively in the water seal of each classification water tight compartment
Depth in the exhaust gas entrance pipeline that source is connected, each classification water tight compartment in entrance pipe insertion water seal below liquid level is passed step by step
Subtract；Gas exit line is set at the top of each classification water tight compartment, one of gas exit line is connected with vacuum tank 27, the water seal
Tank 19 is connected with the connecting line of the vacuum tank 27 with PLC control cabinet 1.
The natural air-air source 2 is connected with three-way connection (pipe) line, wherein first via pipeline by the natural air-air source 2 with it is described steady
Pressure tank 27 is connected, wherein the second road pipeline is by the natural air-air source 2 and the vacuum tank 27 and the altar lamp fire group
In the altar lamp paths of three sets of lamp ignition apparatus kept burning day and night be connected, wherein three-way connection (pipe) line by the natural air-air source 2 with it is described
The igniting path that lamp ignition apparatus kept burning day and night is respectively covered in altar lamp fire group is connected, and above-mentioned three-way connection (pipe) line is controlled with the PLC
Cabinet 1 is connected.
The three-way connection (pipe) line that the natural air-air source 2 is connected is connected with blue formula filter 5, direct-operated regulator 6, check-valves jointly
7, on the three-way connection (pipe) line, wherein,
Valve is connected to before magnetic valve 9, restriction orifice 12, check valve 13, the magnetic valve 9 are connected with first via pipeline
And the backup bypass controlled by hand valve is parallel with, the magnetic valve 9 is connected with the PLC control cabinet 1；
Magnetic valve 10, check valve 11, spark arrester valve group, check-valves 29, the magnetic valve 10 are connected with second road pipeline
Valve is connected to before and the backup bypass controlled by hand valve is parallel with, and the magnetic valve 10 is connected with the PLC control cabinet 1,
The check valve 11, which is connected with after valve, the valve, connects two-way pipeline, connect all the way after spark arrester valve group, valve with it is described
The altar lamp path of three sets of lamp ignition apparatus kept burning day and night is connected in altar lamp fire group, passes through check-valves 29 and the voltage stabilizing all the way
Tank 27 is connected；
Three-way connection (pipe) line connects the point that lamp ignition apparatus kept burning day and night is respectively covered in altar lamp fire group by same Valve controlling
Fiery path, the igniting path for respectively covering lamp ignition apparatus kept burning day and night includes magnetic valve 31 and fire-leading cylinder 33, and the fire-leading cylinder 33 connects
Connect high-energy igniter 32, it is controlled by PLC control cabinet 1, the two ends of magnetic valve 31 are respectively connected with a valve, the magnetic valve 31 with
Two ends valve is parallel with the spare duct controlled by hand valve jointly, and the magnetic valve 31 is connected with the PLC control cabinet 1, institute
The altar lamp path connection altar lamp 30 of each set lamp ignition apparatus kept burning day and night is stated, the altar lamp 30 is lighted by fire-leading cylinder 33.
The spark arrester valve group includes two spark arrester set groups being connected in parallel, and a spark arrester set group includes spark arrester 14
The valve connected with its two ends, another spark arrester set group includes the valve that standby spark arrester 15 and its two ends are connected.
The gas exit line that the top of classification water sealed tank 19 of the flammable connection of discharge waste gas source of the gas 16 is set with it is described
Vacuum tank 27 is connected to exhaust gas pressure switch 20, magnetic valve 21, blue formula filter 22, direct-operated regulator 23, current limliting before connecting
Orifice plate 24 and check valve 25, the magnetic valve 21 are connected with exhaust gas pressure switch 20 with the PLC control cabinet 1；
The magnetic valve 21 is provided with the backup bypass controlled by hand valve, the gas that the top of classification water sealed tank 19 is set
The vacuum tank is connected after the exhaust gas pressure switch 20, the connecting valve of check valve 25 are connected after export pipeline connecting valve
27；
The top of vacuum tank 27 sets pressure transmitter 39, and it is connected with the PLC control cabinet 1.
Having in four classification water tight compartments, each water tight compartment for the classification water sealed tank 19 sets water-level control apparatus to adjust
Position economize on water just, and water supply valve, the water supply valve can be water supply valve manually or automatically, and each water supply valve is total to
With make-up water source 40 is connected with, classification water sealed tank water compensating valve can be manually or automatically opened, automatically according to control pressure water level needs
Moisturizing, regulation water level height, adjusts exhaust outlet pressure at different levels.
Steam heater is set in the vacuum tank 27.
The lighting up procedure of the ignition system of the present embodiment is as follows：
Pass through the second road and the 3rd road natural gas igniting altar lamp first：
Natural air-air source 2 is opened, the normally open valve 3 of pipeline is opened, natural gas is adjusted by blue formula filter 5, self-operated type
Valve 6, check-valves 7 respectively enter three-way connection (pipe) line, are opened by PLC control cabinet 1 10 in three-way connection (pipe) line（Second tunnel）、31（3rd
Road）：
In first via pipeline, natural gas passes through current limliting control plate（Regulating valve）12nd, check valve 13 arrives vacuum tank 27, check-valves
29th, spark arrester 14（Or standby spark arrester 15）Into altar lamp 30；
In three-way connection (pipe) line, natural gas enters fire-leading cylinder 33；Meanwhile, PLC control cabinet 1 gives the power supply of high-energy igniter 32,
Igniter sends electric spark 37 and lights natural gas；
In the second road pipeline, natural gas passes through check valve 11, spark arrester 14（Or standby spark arrester 15）Into altar lamp
30, the flame of the 3rd road fire-leading cylinder 33 ignites altar lamp 30；
Thermocouple 35 is installed in altar lamp, the flame that altar lamp sprays produces heat and is delivered to PLC by thermocouple 35
Switch board 1, PLC control cabinet 1 sends control signal, closes in three-way connection (pipe) line and connects the magnetic valve 31 and high energy point of fire-leading cylinder 33
Firearm power supply 32, altar lamp completes igniting flow.
When petrochemical plant starts production, flammable discharge waste gas 16 is produced, it passes through a point flow container 18, classification water sealed tank
Water tight compartment 38 in 19,26, pressure switch 20, magnetic valve 21, blue formula filter 22, direct-operated regulator 23, restriction orifice 24,
Check valve 25 arrives vacuum tank 27；
Pressure transmitter 39 on vacuum tank detects pressure, and pressure signal uploads to PLC control cabinet 1, PLC control cabinet
1 opens magnetic valve 9, and natural air-air source arrives vacuum tank 27, flammable row along first via pipeline by restriction orifice 12, check valve 13
Waste gas is put to mix in vacuum tank 27 with natural gas；
After flammable discharge waste gas is mixed with natural gas, pass through check-valves 29, spark arrester 14 or standby spark arrester 15 to length
Bright lamp 30；Now, No. second altar lamp and the mixed combustion again of first via altar lamp gas, are located at the thermocouple 35 of altar lamp 30
Detect flameholding signal and pass to PLC control cabinet 1, PLC control cabinet 1 closes the second way solenoid valve 10；
When the detection pressure of pressure transmitter 39 at the top of vacuum tank is reduced, PLC control cabinet 1 opens the second way solenoid valve 10
With supplemental natural gas；
Gas exit line connection discharge pipe line 28 at the top of water tight compartment in the classification water sealed tank 19, by flammable discharge
Waste gas is passed through heating furnace, boiler and discharged as after fuel gas source or ground flare burner or overhead torch burner combustion.
Embodiment 2
A kind of energy-conservation waste gas altar lamp ignition system as shown in Figure 2, including altar lamp fire group and with the fire group phase
Natural air-air source 2 even, the altar lamp fire group includes lamp ignition apparatus kept burning day and night, and the lamp ignition apparatus kept burning day and night includes kept burning day and night
Lamp path and igniting path, many source of the gas altar lamp ignition systems are characterised by：
It also includes flammable discharge waste gas source of the gas 16, point flow container 18 and classification water sealed tank 19, the flammable discharge waste gas
Source of the gas 16 is connected classification water sealed tank 19 after being connected with a point flow container 18；
The altar lamp fire group includes three sets of lamp ignition apparatus kept burning day and night, the classification water sealed tank 19 and wherein two sets it is kept burning day and night
Lamp ignition apparatus（B, C in figure）Altar lamp path be connected；
The natural air-air source 2 is connected with respectively covering the igniting path of lamp ignition apparatus kept burning day and night in the altar lamp fire group
Connect；
The flammable discharge waste gas source of the gas 16 is connected in parallel with the natural air-air source 2.
The classification water sealed tank 19 is the one by setting multiple water sealed tanks to be classified dividing plate formation in a water sealed tank
Water seal pot type is classified water tight compartment（Such as water tight compartment 38,26）, insertion discharges gas gas with described respectively in the water seal of each classification water tight compartment
Depth in the exhaust gas entrance pipeline that source is connected, each classification water tight compartment in entrance pipe insertion water seal below liquid level is passed step by step
Subtract；Gas exit line is set at the top of each classification water tight compartment, one of gas exit line is connected with vacuum tank 27, the water seal
Tank 19 is connected with the connecting line of the vacuum tank 27 with PLC control cabinet 1.
The natural air-air source 2 is connected with three-way connection (pipe) line, wherein first via pipeline by the natural air-air source 2 with it is described steady
Pressure tank 27 is connected, wherein the second road pipeline is by the natural air-air source 2 and the vacuum tank 27 and the altar lamp fire group
In the altar lamp paths of two sets of lamp ignition apparatus kept burning day and night be connected, wherein three-way connection (pipe) line by the natural air-air source 2 with it is described
The igniting path that lamp ignition apparatus kept burning day and night is respectively covered in altar lamp fire group is connected, and above-mentioned three-way connection (pipe) line is controlled with the PLC
Cabinet 1 is connected.
The three-way connection (pipe) line that the natural air-air source 2 is connected is connected with blue formula filter 5, direct-operated regulator 6, check-valves jointly
7, on the three-way connection (pipe) line, wherein,
Valve is connected to before magnetic valve 9, restriction orifice 12, check valve 13, the magnetic valve 9 are connected with first via pipeline
And the backup bypass controlled by hand valve is parallel with, the magnetic valve 9 is connected with the PLC control cabinet 1；
Magnetic valve 10, check valve 11, spark arrester valve group, check-valves 29, the magnetic valve 10 are connected with second road pipeline
Valve is connected to before and the backup bypass controlled by hand valve is parallel with, and the magnetic valve 10 is connected with the PLC control cabinet 1,
The check valve 11, which is connected with after valve, the valve, connects two-way pipeline, connect all the way after spark arrester valve group, valve with it is described
The altar lamp path of two sets of lamp ignition apparatus kept burning day and night is connected in altar lamp fire group, passes through check-valves 29 and the voltage stabilizing all the way
Tank 27 is connected；
Three-way connection (pipe) line connects the point that lamp ignition apparatus kept burning day and night is respectively covered in altar lamp fire group by same Valve controlling
Fiery path, the igniting path for respectively covering lamp ignition apparatus kept burning day and night includes magnetic valve 31 and fire-leading cylinder 33, and the fire-leading cylinder 33 connects
Connect high-energy igniter 32, it is controlled by PLC control cabinet 1, the two ends of magnetic valve 31 are respectively connected with a valve, the magnetic valve 31 with
Two ends valve is parallel with the spare duct controlled by hand valve jointly, and the magnetic valve 31 is connected with the PLC control cabinet 1, institute
The altar lamp path connection altar lamp 30 of each set lamp ignition apparatus kept burning day and night is stated, the altar lamp 30 is lighted by fire-leading cylinder 33.
The spark arrester valve group includes two spark arrester set groups being connected in parallel, and a spark arrester set group includes spark arrester 14
The valve connected with its two ends, another spark arrester set group includes the valve that standby spark arrester 15 and its two ends are connected.
The gas exit line that the top of classification water sealed tank 19 of the flammable connection of discharge waste gas source of the gas 16 is set with it is described
Vacuum tank 27 is connected to exhaust gas pressure switch 20, magnetic valve 21, blue formula filter 22, direct-operated regulator 23, current limliting before connecting
Orifice plate 24 and check valve 25, the magnetic valve 21 are connected with exhaust gas pressure switch 20 with the PLC control cabinet 1；
The magnetic valve 21 is provided with the backup bypass controlled by hand valve, the gas that the top of classification water sealed tank 19 is set
The vacuum tank is connected after the exhaust gas pressure switch 20, the connecting valve of check valve 25 are connected after export pipeline connecting valve
27；
The top of vacuum tank 27 sets pressure transmitter 39, and it is connected with the PLC control cabinet 1.
Having in four classification water tight compartments, each water tight compartment for the classification water sealed tank 19 sets water-level control apparatus to adjust
Position economize on water just, and water supply valve, the water supply valve can be water supply valve manually or automatically, and each water supply valve is total to
With make-up water source 40 is connected with, classification water sealed tank water compensating valve can be manually or automatically opened, automatically according to control pressure water level needs
Moisturizing, regulation water level height, adjusts exhaust outlet pressure at different levels.
Steam heater is set in the vacuum tank 27.
The lighting up procedure of the ignition system of the present embodiment is as follows：
Pass through the second road and the 3rd road natural gas igniting altar lamp first：
Natural air-air source 2 is opened, the normally open valve 3 of pipeline is opened, natural gas is adjusted by blue formula filter 5, self-operated type
Valve 6, check-valves 7 respectively enter three-way connection (pipe) line, are opened by PLC control cabinet 1 10 in three-way connection (pipe) line（Second tunnel）、31（3rd
Road）：
In first via pipeline, natural gas passes through current limliting control plate（Regulating valve）12nd, check valve 13 arrives vacuum tank 27, check-valves
29th, spark arrester 14（Or standby spark arrester 15）Into altar lamp 30；
In three-way connection (pipe) line, natural gas enters fire-leading cylinder 33；Meanwhile, PLC control cabinet 1 gives the power supply of high-energy igniter 32,
Igniter sends electric spark 37 and lights natural gas；
In the second road pipeline, natural gas passes through check valve 11, spark arrester 14（Or standby spark arrester 15）Into altar lamp
30, the flame of the 3rd road fire-leading cylinder 33 ignites altar lamp 30；
Thermocouple 35 is installed in altar lamp, the flame that altar lamp sprays produces heat and is delivered to PLC by thermocouple 35
Switch board 1, PLC control cabinet 1 sends control signal, closes in three-way connection (pipe) line and connects the magnetic valve 31 and high energy point of fire-leading cylinder 33
Firearm power supply 32, altar lamp completes igniting flow.
When petrochemical plant starts production, flammable discharge waste gas 16 is produced, it passes through a point flow container 18, classification water sealed tank
Water tight compartment 38 in 19,26, pressure switch 20, magnetic valve 21, blue formula filter 22, direct-operated regulator 23, restriction orifice 24,
Check valve 25 arrives vacuum tank 27；
Pressure transmitter 39 on vacuum tank detects pressure, and pressure signal uploads to PLC control cabinet 1, PLC control cabinet
1 opens magnetic valve 9, and natural air-air source arrives vacuum tank 27, flammable row along first via pipeline by restriction orifice 12, check valve 13
Waste gas is put to mix in vacuum tank 27 with natural gas；
After flammable discharge waste gas is mixed with natural gas, pass through check-valves 29, spark arrester 14 or standby spark arrester 15 to length
Bright lamp 30；Now, No. second altar lamp and the mixed combustion again of first via altar lamp gas, are located at the thermocouple 35 of altar lamp 30
Detect flameholding signal and pass to PLC control cabinet 1, PLC control cabinet 1 closes the second way solenoid valve 10；
When the detection pressure of pressure transmitter 39 at the top of vacuum tank is reduced, PLC control cabinet 1 opens the second way solenoid valve 10
With supplemental natural gas；
Gas exit line connection discharge pipe line 28 at the top of water tight compartment in the classification water sealed tank 19, by flammable discharge
Waste gas is passed through heating furnace, boiler and discharged as after fuel gas source or ground flare burner or overhead torch burner combustion.
Claims (8)
1. one kind energy-conservation waste gas altar lamp ignition system, including altar lamp fire group and the natural gas gas that is connected with the fire group
Source, the altar lamp fire group includes lamp ignition apparatus kept burning day and night, and the lamp ignition apparatus kept burning day and night includes altar lamp path and point
Fiery path, the energy-conservation waste gas altar lamp ignition system is characterised by：
It also includes flammable discharge waste gas source of the gas, point flow container and classification water sealed tank, the flammable discharge waste gas source of the gas and a point liquid
Connection classification water sealed tank after tank is connected；
The altar lamp fire group includes at least two sets lamp ignition apparatus kept burning day and night, the classification water sealed tank and a set of length of wherein at least
The altar lamp path of bright lamp igniter is connected；
The natural air-air source is connected with respectively covering the igniting path of lamp ignition apparatus kept burning day and night in the altar lamp fire group；
The flammable discharge waste gas source of the gas is connected in parallel with the natural air-air source；
Wherein, the classification water sealed tank is the integral water by setting multiple water sealed tanks to be classified dividing plate formation in a water sealed tank
Sealed cans formula is classified water tight compartment, insertion and giving up that the flammable discharge waste gas source of the gas is connected respectively in the water seal of each classification water tight compartment
In gas entrance pipe, each classification water tight compartment in entrance pipe insertion water seal below liquid level；Gas is set at the top of each classification water tight compartment
Export pipeline, wherein at least one gas exit line is connected with vacuum tank, the connection of the classification water sealed tank and the vacuum tank
Pipeline is connected with PLC control cabinet；
The natural air-air source is connected with three-way connection (pipe) line, and wherein first via pipeline connects the natural air-air source and the vacuum tank
Connect, wherein the second road pipeline is by least a set of length in the natural air-air source and the vacuum tank and the altar lamp fire group
The altar lamp path of bright lamp igniter is connected, wherein three-way connection (pipe) line lights a fire the natural air-air source and the altar lamp
The igniting path that lamp ignition apparatus kept burning day and night is respectively covered in group is connected, and above-mentioned three-way connection (pipe) line is connected with the PLC control cabinet.
2. a kind of energy-conservation waste gas altar lamp ignition system according to claim 1, it is characterised in that：
The three-way connection (pipe) line of the natural air-air source connection is connected with blue formula filter, direct-operated regulator, check-valves, described three jointly
On the pipeline of road, wherein:
Be connected to before magnetic valve, restriction orifice, check valve, the magnetic valve are connected with the first via pipeline valve and be parallel with by
The backup bypass of hand valve control, the magnetic valve is connected with the PLC control cabinet；
Valve is connected to before magnetic valve, check valve, spark arrester valve group, check-valves, the magnetic valve are connected with second road pipeline
And the backup bypass controlled by hand valve is parallel with, the magnetic valve is connected with the PLC control cabinet, and the check valve is connected with valve
Door, two-way pipeline is connected after the valve, connect all the way after spark arrester valve group, valve with the altar lamp fire group at least
The altar lamp path of a set of lamp ignition apparatus kept burning day and night is connected, and is connected all the way by check-valves with the vacuum tank；
Three-way connection (pipe) line connects the igniting that lamp ignition apparatus kept burning day and night is respectively covered in altar lamp fire group by same solenoid valve control
Path, the igniting path for respectively covering lamp ignition apparatus kept burning day and night includes magnetic valve and fire-leading cylinder, and the fire-leading cylinder connects high energy point
Firearm, it is respectively connected with a valve by PLC control cabinet control, the magnetic valve two ends, and the magnetic valve is common simultaneously with two ends valve
The spare duct controlled by hand valve is associated with, the magnetic valve is connected with the PLC control cabinet, each set altar lamp igniting dress
The altar lamp path connection altar lamp put, the altar lamp is lighted by fire-leading cylinder.
3. a kind of energy-conservation waste gas altar lamp ignition system according to claim 2, it is characterised in that：
The spark arrester valve group includes two spark arrester set groups being connected in parallel, a spark arrester set group include spark arrester and its two
The valve of connection is held, another spark arrester set group includes the valve that standby spark arrester and its two ends are connected.
4. a kind of energy-conservation waste gas altar lamp ignition system according to claim 1, it is characterised in that：
The gas exit line set at the top of the classification water sealed tank of the flammable discharge waste gas source of the gas connection connects with the vacuum tank
Exhaust gas pressure switch, magnetic valve, blue formula filter, direct-operated regulator, restriction orifice and check valve are connected to before connecing, it is described
Magnetic valve is connected with exhaust gas pressure switch with the PLC control cabinet；
The magnetic valve is provided with the gas exit line set at the top of the backup bypass controlled by hand valve, the classification water sealed tank
The vacuum tank is connected after the exhaust gas pressure switch, the check valve connecting valve are connected after connecting valve；
Pressure transmitter is set at the top of the vacuum tank, and it is connected with the PLC control cabinet.
5. a kind of energy-conservation waste gas altar lamp ignition system according to claim 1, it is characterised in that：
The number of the classification water tight compartment of the classification water sealed tank is not less than two；
Water-level control apparatus and water supply valve are set in each water tight compartment of the classification water sealed tank.
6. a kind of energy-conservation waste gas altar lamp ignition system according to claim 1, it is characterised in that：
Steam heater is set in the vacuum tank.
7. it is a kind of real using a kind of energy-conservation waste gas altar lamp ignition system as described in any claim in claim 1 to 6
Existing altar lamp ignition method, it is characterised in that：
Pass through the second road and the 3rd road natural gas igniting altar lamp first：
Natural air-air source is opened, normally open valve makes natural gas be respectively enterd by blue formula filter, direct-operated regulator, check-valves
Three-way connection (pipe) line, magnetic valve in three-way connection (pipe) line is opened by PLC control cabinet；
In first via pipeline, natural gas by current limliting control plate (regulating valve), check valve to vacuum tank, check-valves, spark arrester or
Standby spark arrester enters altar lamp；
In three-way connection (pipe) line, natural gas enters fire-leading cylinder；Meanwhile, PLC control cabinet gives high-energy igniter power supply, and igniter is sent
Spark ignition natural gas；
In the second road pipeline, natural gas enters altar lamp, the 3rd road fire-leading cylinder by check valve, spark arrester or standby spark arrester
Flame ignites altar lamp；
Thermocouple is installed in altar lamp, the flame that altar lamp sprays produces heat and is delivered to PLC control cabinet by thermocouple,
PLC control cabinet sends control signal, closes in three-way connection (pipe) line and connects the magnetic valve and high-energy igniter power supply of fire-leading cylinder, kept burning day and night
Lamp completes igniting flow.
8. a kind of method for realizing altar lamp igniting according to claim 7, it is characterised in that：
When petrochemical plant starts production, flammable discharge waste gas is produced, it passes through the water seal in a point flow container, classification water sealed tank
Room, pressure switch, magnetic valve, blue formula filter, direct-operated regulator, restriction orifice, check valve to vacuum tank；
Pressure transmitter on vacuum tank detects pressure, and pressure signal uploads to PLC control cabinet, and PLC control cabinet makes electromagnetism
Valve open, natural gas along first via pipeline by restriction orifice, check valve to vacuum tank, flammable discharge waste gas is with natural gas steady
Press in tank and mix；
After flammable discharge waste gas is mixed with natural gas, pass through check-valves, spark arrester or standby spark arrester to altar lamp；Now,
No. second altar lamp and the mixed combustion again of first via altar lamp gas, the thermocouple for being located at altar lamp detect flameholding letter
PLC control cabinet number is passed to, PLC control cabinet closes the second way solenoid valve；
When pressure transmitter detection pressure at the top of vacuum tank is reduced, PLC control cabinet opens the second way solenoid valve to supplement day
Right gas；
Gas exit line connection discharge pipe line at the top of water tight compartment in the classification water sealed tank, flammable discharge waste gas is passed through
Discharged after heating furnace, boiler or ground flare burner or overhead torch burner.
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| CN201310369538.5A CN104421960B (en) | 2013-08-22 | 2013-08-22 | One kind energy-conservation waste gas altar lamp ignition system and its ignition method |
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| CN107029548A (en) * | 2015-07-14 | 2017-08-11 | 中国人民解放军63605部队 | A kind of skid-mounted device for uns-dimethylhydrazine waste gas harmless treatment |
| CN105129105B (en) * | 2015-09-02 | 2017-12-26 | 北京航天发射技术研究所 | Come off recovering mechanism |
| CN105240844B (en) * | 2015-09-25 | 2018-12-07 | 北京航天发射技术研究所 | Combustion of hydrogen processing system |
| CN110006059A (en) * | 2018-01-04 | 2019-07-12 | 斯文杰 | Micro-gas combined pilot burner ignition system and method |
| CN109357284A (en) * | 2018-10-19 | 2019-02-19 | 北京首钢国际工程技术有限公司 | A kind of intelligent ignition device and method for open flame combustion nozzle |
| CN111561703A (en) * | 2020-05-15 | 2020-08-21 | 天津渤海石化有限公司 | Ground flare system for low-temperature propylene storage tank of PDH device |
| CN112066397B (en) * | 2020-07-20 | 2023-04-04 | 福建立亚新材有限公司 | Tail gas treatment method |
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