CN206512243U - Heat-treatment furnace group's cigarette recovery system - Google Patents
Heat-treatment furnace group's cigarette recovery system Download PDFInfo
- Publication number
- CN206512243U CN206512243U CN201720032452.7U CN201720032452U CN206512243U CN 206512243 U CN206512243 U CN 206512243U CN 201720032452 U CN201720032452 U CN 201720032452U CN 206512243 U CN206512243 U CN 206512243U
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- China
- Prior art keywords
- flue gas
- main pipeline
- heat
- air exhauster
- pressure sensor
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- Y02P10/212—
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- Incineration Of Waste (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of heat-treatment furnace group's cigarette recovery system, pass through the coupled logical some heat-treatment furnaces of flue gas branch pipe(tube) including flue gas main pipeline and respectively, the exhaust end of flue gas main pipeline is provided with chimney, waste heat collecting device and smoke evacuation air exhauster are provided with flue gas main pipeline, smoke evacuation air exhauster is frequency conversion air exhauster, and main pipeline little differential pressure sensor is provided with the flue gas main pipeline of waste heat collecting device inlet end；It is provided with flue gas branch pipe(tube) on electric control valve, heat-treatment furnace and is provided with furnace pressure detection little differential pressure sensor；The signal output part of main pipeline little differential pressure sensor and furnace pressure detection little differential pressure sensor is electrically connected with outside PLC signal input part, and the control signal of the control output end of PLC respectively with discharge fume air exhauster and electric control valve is electrically connected.The utility model advantage is simple in construction, simple installation, can carry out automatic adaptability regulation according to different situations.
Description
Technical field
The utility model is related to Field of Heat-treatment, more particularly, to a kind of heat-treatment furnace group's cigarette recovery system.
Background technology
Existing heat-treatment furnace group's cigarette recovery system, which is used, converges the exhaust opening of many heat-treatment furnaces by flue
Always focus in a main pipeline, then enter flue gas by smoke exhaust fan and reclaimed in waste heat collecting device, it is recovered
Flue gas afterwards is arranged into air by chimney again.But there are many heat-treatment furnaces in whole recovery system, and every heat-treatment furnace
Working time, operating temperature, load workpiece weight and fuel burner nozzle working condition it is different, therefore produce flue gas
Amount is different, causes total exhaust gas volumn to be in all the time among dynamic change；Simultaneously in existing heat-treatment furnace group cigarette recycling system
Used smoke exhaust fan is determines frequency blower fan, and its gross exhaust gas is constant, it is impossible to adapt to the dynamic change of total exhaust gas volumn, draft of discharging fume
When it is high when it is low；When draft of discharging fume is too high, excessive flue gas can be drained, cause waste heat collecting device not return completely, sufficiently
Heat is received, causes energy waste.
Butterfly valve is fixed butterfly valve used on existing heat-treatment furnace smoke discharging pipe, i.e. aperture size is in heat-treatment furnace
Can not in real time be adjusted according to different situations in the course of work, and different heat-treatment furnaces it is different from the distance of smoke exhaust fan,
Combustion gas burner flame size and working condition difference can all cause the fluctuation of furnace pressure in heat-treatment furnace, do not open big or close in time
It is too high or too low that small butterfly valve will result in furnace pressure, hot gas can be caused to reveal when furnace pressure is too high, when furnace pressure mistake
Energy waste can be caused when low；And the butterfly valve on existing heat-treatment furnace smoke discharging pipe will not be closed automatically, cause cold air meeting
From idle heat-treatment furnace smoke discharging pipe enters main pipeline, the efficiency of waste heat recovery is reduced.
The content of the invention
The utility model purpose is to provide a kind of heat-treatment furnace group's cigarette recovery system with automatic regulation function.
To achieve the above object, the utility model can take following technical proposals：
Heat-treatment furnace described in the utility model group's cigarette recovery system, including flue gas main pipeline and pass through flue gas branch respectively
Some heat-treatment furnaces that pipeline is connected with the flue gas main pipeline, smoke evacuation cigarette is provided with the exhaust end of the flue gas main pipeline
Chimney, is provided with waste heat collecting device, in the waste heat collecting device and institute on the flue gas main pipeline at the chimney
State and smoke evacuation air exhauster is provided with the flue gas main pipeline between chimney, the smoke evacuation air exhauster is frequency conversion air exhauster, close
Main pipeline little differential pressure sensor is provided with the flue gas main pipeline of the waste heat collecting device inlet end；Each flue gas
It is provided with branch pipe(tube) on an electric control valve, each heat-treatment furnace and is provided with furnace pressure detection differential pressure sensing
Device；The signal output part of main pipeline little differential pressure sensor and the furnace pressure detection little differential pressure sensor is controlled with outside PLC
Device signal input part processed is electrically connected, the control output end of the PLC respectively with the smoke evacuation air exhauster and described
The control signal electrical connection of electric control valve.
The utility model advantage is simple in construction, simple installation, can carry out automatic adaptability tune according to different situations
Section.By setting the frequency conversion smoke evacuation air exhauster and main pipeline differential pressure that are electrically connected with outside PLC on flue gas main pipeline
Sensor, in real time monitoring flue gas main pipeline in pressure, and according to pressure condition automatically adjust smoke evacuation air exhauster running frequency,
Negative pressure constant in flue gas main pipeline is maintained, so as to meet the adaptive requirement of total exhaust gas volumn dynamic change, it is ensured that smoke evacuation exhausting
The draft of machine is stable；Pressure condition in each heat-treatment furnace is monitored by furnace pressure detection little differential pressure sensor in real time and fed back to
PLC, the different information that PLC is come further according to feedback manipulate corresponding electric control valve, so as to adjust
Pressure in heat-treatment furnace, it is to avoid hypertonia or hypotony phenomenon occur, effectively prevents hot gas from revealing or energy waste.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in figure 1, heat-treatment furnace described in the utility model group's cigarette recovery system, including flue gas main pipeline 1 and point
Some heat-treatment furnaces 3 not being connected by flue gas branch pipe(tube) 2 with flue gas main pipeline 1, are set in the exhaust end of flue gas main pipeline 1
There is chimney 4, be provided with waste heat collecting device 5 on the flue gas main pipeline 1 at chimney 4, waste heat collecting device 5 is used
In setting on the heat for collecting flue gas in heat-treatment furnace 3, the flue gas main pipeline 1 between waste heat collecting device 5 and chimney 4
There is smoke evacuation air exhauster 6, smoke evacuation air exhauster 6 is frequency conversion air exhauster；On the flue gas main pipeline 1 of the inlet end of waste heat collecting device 5
Main pipeline little differential pressure sensor 7 is provided with, for monitoring the pressure condition in flue gas main pipeline 1 in real time；Each flue gas branch pipe(tube) 2
On be provided with an electric control valve 8, the aperture size for adjusting flue gas branch pipe(tube) 2 is provided with each heat-treatment furnace 3
One furnace pressure detects little differential pressure sensor 9, for monitoring the pressure in heat-treatment furnace 3 in real time.Main pipeline little differential pressure sensor 7 and stove
The signal output part of pressure detection little differential pressure sensor 9 is electrically connected with outside PLC signal input part, PLC controls
Control signal of the control output end of device respectively with smoke evacuation air exhauster 6 and electric control valve 8 is electrically connected.
Main pipeline little differential pressure sensor 7 implements the pressure condition in monitoring flue gas main pipeline 1 and feeds back information to PLC controls
Device processed, PLC according to feedback come information control smoke evacuation air exhauster 6 running frequency, make the pressure in flue gas main pipeline 1
- 100Pa or so is remained at, the constant negative pressure in flue gas main pipeline 1 is maintained, met to the automatic of total exhaust smoke level dynamic change
Adapt to, it is ensured that the draft of smoke evacuation air exhauster 6 is stable；Furnace pressure detection little differential pressure sensor 9 monitors the pressure in heat-treatment furnace 3 in real time,
And feed back information to PLC, the aperture size for the information control electric control valve 8 that PLC is come according to feedback, from
And the pressure in heat-treatment furnace 3 is maintained 5Pa or so, it is to avoid occur showing for hypertonia or hypotony in heat-treatment furnace 3
As preventing hot gas from revealing or energy waste.
Claims (1)
1. a kind of heat-treatment furnace group cigarette recovery system, including flue gas main pipeline（1）And pass through flue gas branch pipe(tube) respectively（2）With institute
State flue gas main pipeline（1）Some heat-treatment furnaces being connected（3）, in the flue gas main pipeline（1）Exhaust end be provided with smoke evacuation
Chimney（4）, close to the chimney（4）The flue gas main pipeline at place（1）On be provided with waste heat collecting device（5）, described remaining
Thermal recovery acquisition means（5）With the chimney（4）Between flue gas main pipeline（1）On be provided with smoke evacuation air exhauster（6）, its feature
It is：The smoke evacuation air exhauster（6）For frequency conversion air exhauster, the close waste heat collecting device（5）The flue gas master of inlet end
Pipeline（1）On be provided with main pipeline little differential pressure sensor（7）；Each flue gas branch pipe(tube)（2）On be provided with an electric adjustable
Save valve（8）, each heat-treatment furnace（3）On be provided with a furnace pressure detection little differential pressure sensor（9）；The main pipeline elementary errors
Pressure sensor（7）Little differential pressure sensor is detected with the furnace pressure（9）Signal output part inputted with outside PLC signal
End is electrically connected, the control output end of the PLC respectively with the smoke evacuation air exhauster（6）With the electric control valve
（8）Control signal electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032452.7U CN206512243U (en) | 2017-01-12 | 2017-01-12 | Heat-treatment furnace group's cigarette recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032452.7U CN206512243U (en) | 2017-01-12 | 2017-01-12 | Heat-treatment furnace group's cigarette recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512243U true CN206512243U (en) | 2017-09-22 |
Family
ID=59864484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720032452.7U Active CN206512243U (en) | 2017-01-12 | 2017-01-12 | Heat-treatment furnace group's cigarette recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206512243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788043A (en) * | 2018-07-11 | 2018-11-13 | 尚成荣 | A kind of copper rod up-leading conticaster multi-channel energy-saving exhausting system |
| CN109028983A (en) * | 2018-07-11 | 2018-12-18 | 尚成荣 | A kind of copper smelting-furnace exhaust-gas treatment wind pressure automatic regulating system |
| CN112378267A (en) * | 2020-10-21 | 2021-02-19 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Method for increasing flue gas temperature of semi-closed submerged arc furnace |
-
2017
- 2017-01-12 CN CN201720032452.7U patent/CN206512243U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788043A (en) * | 2018-07-11 | 2018-11-13 | 尚成荣 | A kind of copper rod up-leading conticaster multi-channel energy-saving exhausting system |
| CN109028983A (en) * | 2018-07-11 | 2018-12-18 | 尚成荣 | A kind of copper smelting-furnace exhaust-gas treatment wind pressure automatic regulating system |
| CN108788043B (en) * | 2018-07-11 | 2021-03-30 | 芜湖易泽中小企业公共服务股份有限公司 | Multi-channel energy-saving air draft system of copper rod upward-leading continuous casting machine |
| CN112378267A (en) * | 2020-10-21 | 2021-02-19 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Method for increasing flue gas temperature of semi-closed submerged arc furnace |
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