CN207214122U - Gas boiler burns furnace control system automatically - Google Patents
Gas boiler burns furnace control system automatically Download PDFInfo
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- CN207214122U CN207214122U CN201720889030.1U CN201720889030U CN207214122U CN 207214122 U CN207214122 U CN 207214122U CN 201720889030 U CN201720889030 U CN 201720889030U CN 207214122 U CN207214122 U CN 207214122U
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Abstract
The utility model discloses gas boiler to burn furnace control system automatically,It is connected including blast furnace gas main pipe by some blast furnace gas branch pipes with boiler,High coal regulating valve is arranged with every blast furnace gas branch pipe,Every air-introduced machine is connected by air branch pipe with boiler respectively,Air control valve is arranged with every air branch pipe,Water source is connected by feed pump and feed pipe with drum,Feed pipe is provided with feed-regulating valve,Drum is connected by steam pipe with steam turbine,Also include internal preset optimum air-fuel ratio and the automatic burning stove PLC control system of drum safety level,It can automatically adjust according to optimum air-fuel ratio to each high coal regulating valve and each air control valve,The coal gas total amount into boiler is set to meet optimum air-fuel ratio with air total amount,Feed-regulating valve can also be automatically adjusted according to drum safety level,Water level in drum is set to be in safety level all the time.The utility model has the advantages of influence and high safety in operation that can eliminate blast furnace gas main pipe pressure oscillation.
Description
Technical field
It the utility model is related to gas boiler and burn stove technical field, and in particular to gas boiler burns furnace control system automatically.
Background technology
The structure of gas boiler burning furnace system is at present：Drum, the blast furnace being connected including boiler, with heat exchanger tube in boiler
Gas main, some air-introduced machines, water source and the generator coaxially connected with steam turbine, blast furnace gas main pipe pass through some
Root blast furnace gas branch pipe is connected with boiler, and every air-introduced machine is connected by an air branch pipe with boiler respectively, and water source passes through
Feed pump and feed pipe are connected with the water inlet of drum, and the steam (vapor) outlet of drum passes through steam pipe and the steam inlet of steam turbine
It is connected.During work, the coal gas in blast furnace gas main pipe enters boiler by each blast furnace gas branch pipe, while air-introduced machine leads to air
Cross each air branch pipe and enter boiler, coal gas is changed pipe with air combustion heating in boiler, while feed pump can be by the water at water source
Drum is constantly entered by feed pipe, changes pipe through overheat again into the water in drum, water changes Guan Houhui through overheat and was heated to form
Vapours is returned in drum, then enters steam turbine from steam pipe, steam turbine drawing generator is generated electricity.The coal used at present
Gas boiler burns furnace system and had the drawback that：（1）When the ductwork pressure of blast furnace gas main pipe fluctuates, boiler can be caused to fire
Gas incomplete combustion, not only causes the waste of the energy, and also increases pollution of the blast furnace discharge to environment；（2）Can not be to vapour
Water level in bag control effectively, and reduces the operation stability and security of burning in boiler stove.
Utility model content
The purpose of this utility model is to provide a kind of ductwork pressure that can effectively eliminate blast furnace gas main pipe and fluctuated to boiler
Burn the influence of stove and operation stability burns furnace control system automatically with safe gas boiler.
To achieve the above object, the utility model employs following technical scheme：Described gas boiler burns stove control automatically
System processed, including boiler, the drum being connected with heat exchanger tube in boiler, blast furnace gas main pipe, some air-introduced machines, Yi Jishui
Source and the coaxially connected generator of steam turbine, the blast furnace gas main pipe are connected by some blast furnace gas branch pipes with boiler
It is logical, be respectively arranged with high coal regulating valve on every blast furnace gas branch pipe, every air-introduced machine respectively by an air branch pipe with
Boiler is connected, and air control valve is respectively arranged with every air branch pipe, and the water source passes through feed pump and feed pipe and vapour
The water inlet of bag is connected, and feed-regulating valve is provided with feed pipe, and the steam (vapor) outlet of the drum passes through steam pipe and vapour
The steam inlet of turbine is connected, in addition to internal preset has the automatic burning stove PLC of optimum air-fuel ratio and drum safety level controls
System, the automatic stove PLC control system of burning are adjusted with all high coal regulating valves, all air control valves and feedwater simultaneously
Valve electrically connects, and the automatic stove PLC control system of burning can gather the gas flow in each blast furnace gas branch pipe in real time and calculate
Into the coal gas total amount of boiler, while the air mass flow in each air branch pipe can be gathered in real time and calculates the air into boiler
Total amount, and each high coal regulating valve and each air control valve can be automatically adjusted according to the optimum air-fuel ratio of internal preset,
The coal gas total amount into boiler is set to meet optimum air-fuel ratio with air total amount, the automatic burning stove PLC control system can also be real-time
Gather the water level of drum and feed-regulating valve can be automatically adjusted according to the drum safety level of internal preset, make drum
Interior water level is in safety level all the time.
Further, foregoing gas boiler burns furnace control system automatically, wherein：It is respectively provided with each blast furnace gas branch pipe
There is the gas flow meter electrically connected with burning stove PLC control system automatically, automatic stove PLC control system of burning passes through each gas flow meter
The gas flow in each blast furnace gas branch pipe is gathered in real time and calculates the coal gas total amount into boiler.
Further, foregoing gas boiler burns furnace control system automatically, wherein：Be provided with each air branch pipe with
The automatic mass air flow sensor for burning the electrical connection of stove PLC control system, automatic burning stove PLC control system are real-time by each mass air flow sensor
Gather the air mass flow in each air branch pipe and calculate the air total amount into boiler.
Further, foregoing gas boiler burns furnace control system automatically, wherein：It is provided with steam pipe by burning automatically
The steam control valve of stove PLC control system control.
Further, foregoing gas boiler burns furnace control system automatically, wherein：It is provided with steam pipe with burning automatically
The steam-flow meter of stove PLC control system electrical connection, automatic stove PLC control system of burning gather steam in real time by steam-flow meter
Steam flow in pipe.
Further, foregoing gas boiler burns furnace control system automatically, wherein：It is provided with drum and burns stove automatically
The water-level gauge of PLC control system electrical connection, the automatic water level for burning stove PLC control system and gathering drum in real time by water-level gauge.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：（1）Effectively eliminate blast furnace gas main pipe
Ductwork pressure fluctuate influence to burning in boiler stove, will not occur the situation of boiler flue gas incomplete combustion again, not only reduce
Energy consumption, and decrease pollution of the blast furnace discharge to environment；（2）The water level in drum 3 is set to be in safety level all the time, significantly
Improve the operation stability and security of burning in boiler stove.
Brief description of the drawings
Fig. 1 is the structural representation that gas boiler described in the utility model burns furnace control system automatically.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, described gas boiler burns furnace control system automatically, including boiler 1, with the phase of heat exchanger tube 2 in boiler 1
Drum 3, blast furnace gas main pipe 4, some air-introduced machines 5, water source 6 and the generator 8 coaxially connected with steam turbine 7 of connection,
And automatic burning stove PLC control system 9, the blast furnace gas main pipe 4 is connected by some blast furnace gas branch pipes 10 with boiler 1
It is logical, high coal regulating valve 11 is respectively arranged with every blast furnace gas branch pipe 10, every air-introduced machine 5 passes through an air branch respectively
Pipe 12 is connected with boiler 1, and air control valve 13 is respectively arranged with every air branch pipe 12, and the water source 6 passes through feed pump
14 and feed pipe 15 be connected with the water inlet of drum 3, feed-regulating valve 16 is provided with feed pipe 15, the drum 3
Steam (vapor) outlet is connected by steam pipe 17 with the steam inlet of steam turbine 7, it is described it is automatic burn stove PLC control system 9 simultaneously with institute
High coal regulating valve 11, all air control valves 13 and the feed-regulating valve 16 having electrically connect, and the automatic stove PLC that burns controls system
9 internal presets of uniting have optimum air-fuel ratio and drum safety level, and the automatic stove PLC control system 9 of burning can gather each height in real time
Gas flow in producer gas branch pipe 10 simultaneously calculates the coal gas total amount into boiler 1, while can gather each air branch pipe in real time
Air mass flow in 12 simultaneously calculates the air total amount into boiler 1, and can be according to the optimum air-fuel ratio of internal preset to each
High coal regulating valve and each air control valve automatically adjust, and the coal gas total amount made into boiler 1 meets optimal with air total amount
Air-fuel ratio, the automatic burning stove PLC control system 9 can also gather the water level of drum 3 in real time and can be according to the drums of internal preset
Safety level automatically adjusts to feed-regulating valve 16, the water level in drum 3 is in safety level all the time；In the present embodiment
In, gas flow meter 18 is provided with each blast furnace gas branch pipe 10, all gas flow meters 18 control with the automatic stove PLC that burns
System 9 is electrically connected, and automatic stove PLC control system 9 of burning is gathered in each blast furnace gas branch pipe 10 in real time by each gas flow meter 18
Gas flow and calculate the coal gas total amount into boiler 1；In the present embodiment, it is respectively provided with each air branch pipe 12 free
Air-flow gauge 19, all mass air flow sensor 19 electrically connect with automatic stove PLC control system 9 of burning, automatic to burn stove PLC control system 9
Air mass flow in each air branch pipe 12 is gathered by each mass air flow sensor 19 in real time and calculates the air total amount into boiler；
In the present embodiment, the steam control valve 20 controlled by burning stove PLC control system 9 automatically is provided with steam pipe 17；At this
In embodiment, the steam-flow meter 21 electrically connected with burning stove PLC control system 9 automatically is provided with steam pipe 17, it is automatic to burn
Stove PLC control system 9 gathers the steam flow in steam pipe 17 by steam-flow meter 21 in real time；In the present embodiment, in vapour
The water-level gauge 22 electrically connected with burning stove PLC control system 9 automatically is provided with bag 3, automatic stove PLC control system 9 of burning passes through water
Position meter 22 gathers the water level of drum 3 in real time；
Operation principle of the present utility model is as follows：
During work, the coal gas in blast furnace gas main pipe 4 enters boiler 1, while air-introduced machine 5 by each blast furnace gas branch pipe 10
Air is entered into boiler by each air branch pipe 12, coal gas is changed pipe 2, while feed pump 14 with air combustion heating in boiler
The water at water source 6 constantly can be entered drum 3 by feed pipe 15, change pipe 2 through overheat again into the water in drum 3, water is through overheat
Superheated steam can be heated to form by, which changing after pipe 2, returns in drum 3, then enters steam turbine 7 from steam pipe 17, makes the dragging hair of steam turbine 7
Motor 8 is generated electricity；In whole work process, automatic stove PLC control system 9 of burning is gathered in real time by each gas flow meter 18
Gas flow in each blast furnace gas branch pipe 10 simultaneously calculates the coal gas total amount into boiler 1 while by each mass air flow sensor
19 gather the air mass flow in each air branch pipe 12 and calculate the air total amount into boiler 1 in real time, and can be according to inside
Default optimum air-fuel ratio automatically adjusts to each high coal regulating valve 11 and each air control valve 13, makes the coal into boiler 1
Gas total amount meets optimum air-fuel ratio with air total amount, and the ductwork pressure that so can effectively eliminate blast furnace gas main pipe is fluctuated to pot
Stove burns the influence of stove, will not occur the situation of boiler flue gas incomplete combustion again, not only reduce energy consumption, and decrease height
Fire grate is rivals in a contest the pollution of environment；And the water level of drum 3 can also be gathered in real time and according to inside by burning stove PLC control system 9 automatically
Default drum safety level automatically adjusts to feed-regulating valve 16, the water level in drum 3 is in safety level all the time,
Substantially increase the operation stability and security of burning in boiler stove.
Claims (8)
1. gas boiler burns furnace control system automatically, it is characterised in that：The vapour being connected including boiler, with heat exchanger tube in boiler
Bag, blast furnace gas main pipe, some air-introduced machines, water source and the generator coaxially connected with steam turbine, the blast furnace gas are total
Pipe is connected by some blast furnace gas branch pipes with boiler, and high coal regulation is respectively arranged with every blast furnace gas branch pipe
Valve, every air-introduced machine are connected by an air branch pipe with boiler respectively, and air tune is respectively arranged with every air branch pipe
Valve is saved, the water source is connected by feed pump and feed pipe with the water inlet of drum, and feedwater regulation is provided with feed pipe
Valve, the steam (vapor) outlet of the drum is connected by steam pipe with the steam inlet of steam turbine, in addition to internal preset has optimal sky
The automatic burning stove PLC control system of combustion when drum safety level, it is described it is automatic burn stove PLC control system simultaneously with all height
Coal regulating valve, all air control valves and feed-regulating valve electrical connection, the automatic stove PLC control system of burning can gather in real time
Gas flow in each blast furnace gas branch pipe simultaneously calculates the coal gas total amount into boiler, while can gather each air branch pipe in real time
In air mass flow and calculate the air total amount into boiler, and can be according to the optimum air-fuel ratio of internal preset to each high coal
Regulating valve and each air control valve automatically adjust, and the coal gas total amount into boiler is met optimal air-fuel with air total amount
Than the automatic burning stove PLC control system can also gather the water level of drum in real time and can be according to the drum safe water of internal preset
Position automatically adjusts to feed-regulating valve, the water level in drum is in safety level all the time.
2. gas boiler according to claim 1 burns furnace control system automatically, it is characterised in that：In each blast furnace gas branch pipe
On be provided with burning the gas flow meter that electrically connect of stove PLC control system automatically, automatic burning stove PLC control system passes through each coal
Air-flow gauge gathers the gas flow in each blast furnace gas branch pipe and calculates the coal gas total amount into boiler in real time.
3. gas boiler according to claim 1 or 2 burns furnace control system automatically, it is characterised in that：In each air branch pipe
On be provided with burning the mass air flow sensor that electrically connect of stove PLC control system automatically, automatic burning stove PLC control system passes through each sky
Air-flow gauge gathers the air mass flow in each air branch pipe and calculates the air total amount into boiler in real time.
4. gas boiler according to claim 1 or 2 burns furnace control system automatically, it is characterised in that：Set on steam pipe
It is equipped with the steam control valve by burning the control of stove PLC control system automatically.
5. gas boiler according to claim 4 burns furnace control system automatically, it is characterised in that：It is provided with steam pipe
It is real-time by steam-flow meter with the automatic steam-flow meter for burning stove PLC control system and electrically connecting, automatic burning stove PLC control system
Gather the steam flow in steam pipe.
6. gas boiler according to claim 3 burns furnace control system automatically, it is characterised in that：It is provided with steam pipe
By the steam control valve for burning the control of stove PLC control system automatically.
7. gas boiler according to claim 6 burns furnace control system automatically, it is characterised in that：It is provided with steam pipe
It is real-time by steam-flow meter with the automatic steam-flow meter for burning stove PLC control system and electrically connecting, automatic burning stove PLC control system
Gather the steam flow in steam pipe.
8. gas boiler according to claim 1 or 2 burns furnace control system automatically, it is characterised in that：Set in drum
There is the water-level gauge electrically connected with burning stove PLC control system automatically, automatic stove PLC control system of burning gathers vapour in real time by water-level gauge
The water level of bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889030.1U CN207214122U (en) | 2017-07-21 | 2017-07-21 | Gas boiler burns furnace control system automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889030.1U CN207214122U (en) | 2017-07-21 | 2017-07-21 | Gas boiler burns furnace control system automatically |
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| Publication Number | Publication Date |
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| CN207214122U true CN207214122U (en) | 2018-04-10 |
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| CN201720889030.1U Active CN207214122U (en) | 2017-07-21 | 2017-07-21 | Gas boiler burns furnace control system automatically |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355813A (en) * | 2017-07-21 | 2017-11-17 | 江苏永钢集团有限公司 | Gas boiler burns furnace control system automatically |
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2017
- 2017-07-21 CN CN201720889030.1U patent/CN207214122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355813A (en) * | 2017-07-21 | 2017-11-17 | 江苏永钢集团有限公司 | Gas boiler burns furnace control system automatically |
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