CN106196163A - Burner electric control system for the heating of descaling bath immersion trough - Google Patents
Burner electric control system for the heating of descaling bath immersion trough Download PDFInfo
- Publication number
- CN106196163A CN106196163A CN201610622807.8A CN201610622807A CN106196163A CN 106196163 A CN106196163 A CN 106196163A CN 201610622807 A CN201610622807 A CN 201610622807A CN 106196163 A CN106196163 A CN 106196163A
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- Prior art keywords
- burner
- plc
- temperature
- igniting
- ignition
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
A kind of burner electric control system for the heating of descaling bath immersion trough, mainly by programmable controller PLC system, gas heating system is carried out sequential control, converter provides different blast with combustion fan to burner, ignition controller, igniting high voltage package, electromagnetic valve, ball valve provide combustion gas and the igniting of different flow to burner, ion flame detector provides fire defector to burner, touch screen is used to be used as display terminal, display alarm information and alarm history record, the timely solid-line curve of temperature history in time.Touch screen is set technological temperature and maximum temperature, and the bath temperature data being passed to PLC with PLC resistance thermometry by communication modes are compared, thus control the conversion of burner automatic large and small fire and automatically stop two burner operation and automatically start two burners.The present invention is easy to operate, and igniting is reliable, and operate steadily safety.
Description
Technical field
The present invention relates to a kind of burner electric control system for the heating of descaling bath immersion trough, belong to metallic article technology
Field.
Background technology
At present immersion trough add heat combustor be burning after High Temperature High Pressure steam directly/be indirectly passed through in tank liquor, rely on heat
Gas directly heats tank liquor, or high-temperature flue gas is by reheating the device of tank liquor after coil heat exchange, be all a burner and dish
The a set of independent immersion trough heating burner apparatus of pipe composition.At steel wire acid pickling phosphating slot, hot water storgae immersion trough heating burner apparatus
It is that 4-5 burner burns in an airtight combustor simultaneously, because of factors such as air-flow, air pressure, temperature, causes and interfere.
Making to influence each other and ignition difficulties during burner ignition, combustion flame is unstable；The easy problem such as fire extinguishing during large and small fire conversion.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of burning for the heating of descaling bath immersion trough
Device electric control system, solves multiple burner an Indoor Combustion of burning, and igniting is reliable, working stability problem.
The technical scheme is that and utilize frequency converter timing function, make burner under igniting, little fire, big fire state
Automatically derive different blast；Utilize gas pipeline size and the difference of ball valve aperture, by electromagnetic valve, make burner at point
Automatically derive different gas flows under fire fiery, little, big fire state, thus solve burner because interfering.Cause igniting tired
Difficulty, combustion flame is unstable；The easy problem such as fire extinguishing during large and small fire conversion.
The present invention is for the burner electric control system of descaling bath immersion trough heating, and it is mainly responsible for ball valve, combustion by combustion gas
Ball valve, air are in charge of in gas supervisor's low tension switch, combustion gas supervisor's high-voltage switch gear, combustion gas supervisor's electromagnetic valve, air line ball valve, combustion gas
Electromagnetic valve, corrugated flexible hose, combustion fan, converter, burner, ion are in charge of in pipeline pressure table, air line electromagnetic valve, combustion gas
Flame detector, igniting high voltage package, touch screen, display lamp, button, ignition controller, power safety, on and off switch, able to programme
Controller PLC system, miniature relay and binding post composition.
The present invention realizes automatically controlling with programmable controller PLC system for core, and multiple burners are an airtight combustion
Burn indoor automatic ignition, flame size and automatically change burning, under little fire state, when tank liquor temperature reaches to set peak,
Can be automatically stopped two burner combustion, when tank liquor temperature is less than setting value, reset automatically two burners.
Volume control of the present invention is
It is that core carries out system control by programmable controller PLC system.
Using touch screen to be used as operation and display terminal, PLC and touch screen tie-portion represent employing communication modes
Connect
Converter rotating speed is regulated by PLC, so that combustion system is under different conditions, fired state, large and small fire state,
Obtain different blast.
4. control ignition controller igniting by PLC and gas electromagnetic valve is opened or closed.
5. by PLC and each protection signal, flame sensing signal, gaseous-pressure signal etc. connect, so that whole control
System energy safe and reliable operation.
6. it is connected with temperature of liquid signal by PLC and PLC is connected with the communication of touch screen, thus realize temperature-controllable.
The present invention includes implementing as follows step:
(1) igniting
Being that core carries out sequential control by programmable controller PLC system, press the start button of switch board, first blower fan is to remittance
Streaming pickling liquid heat exchanger apparatus carries out purging at a high speed, after purging, blower fan reduction of speed to fire speed, then 1#Point fire control
Device processed is struck sparks, and simultaneously 1#Gas ignition electromagnetic valve is opened, and then 1#Burner ignition, detects flame, lights a fire successfully;At flame
After stablizing 8 seconds, 4#Burner starts igniting, equally to 2#、3#Burner ignition, in ignition process, if when igniting,
Certain burner ignition failure, PLC system automatically cuts off gas electromagnetic valve and automatically carries out lighting a fire for the second time；When second time igniting is lost
Losing, combustion system stops igniting and burning, carries out system protection, cuts off gas valve, and blower fan carries out purging at a high speed；
(2) temperature controls
Display is controlled touch screen and sets technological temperature, pass to PLC system by communication modes, with PLC resistance thermometry
Bath temperature data compare, thus control the conversion of burner automatic large and small fire, when burner works under little fire state, and groove
When liquid temp exceedes setting maximum temperature, automatically stop two burner operation, during less than minimum temperature, automatically start two burnings
Device；
(3) display
Touch screen is used to be used as display terminal, can be intuitively the work of burner, air solenoid valve, gas electromagnetic valve etc.
State is reappeared on the touchscreen, timely display alarm information and alarm history record, the timely solid-line curve of temperature history.
Present invention solves the technical problem that:
1, multiple burners interfere problem because of reasons such as air pressure in ignition process:By repetition test, determine combustion gas
Main pipeline inlet pressure≤5KPa；Utilize frequency converter timing function point analysis blast size；Utilize gas pipeline ball valve point of adjustment
Fire gas flow.By repetition test make combustion flame reach optimum efficiency (if i.e. burner ignition flame is little, Yi Beiqi
Put out during its burner ignition；If burner ignition flame is big, put out during the burner easily other lighted).
2, multiple burners are in aflame stability and economy: when gas-operated thermal bath facility is in tank liquor keeping warm mode
Time, burner is change in airtight combustion chambers burn temperature, if combustion flame frequently changes, air-fuel ratio is difficult to be transferred to
Good, cause fuel gas buring insufficient, i.e. waste combustion gas makes again exhaust emissions the most up to standard.So we use in properly functioning,
Only big fire and little fire two kinds of states of burning, only have a combustion gas to be in charge of during little fire burning and supply to burner;When big fire is burnt
Time, there are two combustion gas to be in charge of supply.This mode is easily transferred to air-fuel ratio most preferably.And under little fire state, work as tank liquor temperature
When reaching to set peak, two burner combustion can be automatically stopped.When tank liquor temperature is less than setting value, reset automatically
Two burners.The most i.e. can guarantee that tank liquor temperature fluctuation is little, save again combustion gas.
Beneficial effects of the present invention:
Realize multiple burner automatic ignition, flame size in an airtight combustor and automatically change burning, and reliability service,
Convergent current type pickling liquid heat exchanger apparatus is made to obtain actual application in wire rod acid pickling phosphating slot, hot water storgae.The present invention controls liquid
Temperature precision is high, and chamber temperature is uniform, and the heat exchanger apparatus life-span is long, and the thermal efficiency reaches more than 85, has good economy
Benefit and social benefit.The control system of the present invention is easy to operate, only need to be lighted a fire reliable by start button, operated steadily,
The safe thermal efficiency is high, remarkable in economical benefits.
Accompanying drawing explanation
Fig. 1 is the combustion control system structural representation of the present invention；
Fig. 2 is the burner Automatic Control procedural block diagram of the present invention；
Fig. 3 is that the combustion system of the present invention installs scattergram；
Fig. 4 is the switch board structural representation of the present invention.
In figure: 1-combustion gas supervisor's ball valve, 2-combustion gas supervisor's low tension switch, 3-combustion gas supervisor's high-voltage switch gear, 4-combustion gas supervisor
Ball valve, 7-air line Pressure gauge, 8-air line electromagnetic valve, 9-combustion gas are in charge of in electromagnetic valve, 5-air line ball valve, 6-combustion gas
It is in charge of electromagnetic valve, 10-corrugated flexible hose, 11-combustion fan, 12-converter, 13-burner, 14-ion flame detector, 15-
Igniting high voltage package, 21-touch screen, 22-display lamp, 23-button, 24-ignition controller, 25-power safety, 26-on and off switch,
27-programmable controller PLC and expansion module, 28-miniature relay, 29-binding post.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is made the most in detail for the burner electric control system of descaling bath immersion trough heating
Describe in detail bright:
The present invention presses in accompanying drawing 1,2,3,4, and it is mainly by combustion gas supervisor's ball valve 1, combustion gas supervisor's low tension switch 2, combustion gas supervisor's height
Compress switch 3, ball valve 6, air line Pressure gauge 7, air line are in charge of in combustion gas supervisor's electromagnetic valve 4, air line ball valve 5, combustion gas
Electromagnetic valve 8, combustion gas are in charge of electromagnetic valve 9, corrugated flexible hose 10, combustion fan 11, converter 12, burner 13, ionic flame detection
Device 14, igniting high voltage package 15, touch screen 21, display lamp 22, button 23, ignition controller 24, power safety 25, on and off switch
26, programmable controller PLC system 27, miniature relay 28 and binding post 29 form.
The present invention realizes automatically controlling with programmable controller PLC system 27 for core, and multiple burners 13 are close at one
In closing combustor, automatic ignition, flame size change burning automatically, under little fire state, when tank liquor temperature reaches to set peak
Time, two burner combustion can be automatically stopped, when tank liquor temperature is less than setting value, reset automatically two burners.
Volume control of the present invention is:
It is that core carries out system control by programmable controller PLC system.
Using touch screen to be used as operation and display terminal, PLC and touch screen tie-portion represent employing communication modes
Connect
Converter rotating speed is regulated by PLC, so that combustion system is under different conditions, fired state, large and small fire state,
Obtain different blast.
4. control ignition controller igniting by PLC and gas electromagnetic valve is opened or closed.
5. by PLC and each protection signal, flame sensing signal, gaseous-pressure signal etc. connect, so that whole control
System energy safe and reliable operation.
6. it is connected with temperature of liquid signal by PLC and PLC is connected with the communication of touch screen, thus realize temperature-controllable.
The present invention includes implementing as follows step:
(1) igniting
Carried out sequential control by programmable controller PLC system 27 for core, press the start button 23 of switch board, first blower fan
Carry out convergent current type pickling liquid heat exchanger apparatus purging at a high speed, after purging, blower fan reduction of speed to fire speed, then 1#Point
Fire controller sparking, simultaneously 1#Gas ignition electromagnetic valve is opened, and then 1#Burner ignition, detects flame, lights a fire successfully;?
After flame stabilization 8 seconds, 4#Burner starts igniting, equally to 2#、3#Burner ignition, in ignition process, if in igniting
Time, certain burner ignition failure, PLC system automatically cuts off gas electromagnetic valve and automatically carries out lighting a fire for the second time；When second time point
Fire failure, combustion system stops igniting and burning, carries out system protection, cuts off gas valve, and blower fan carries out purging at a high speed；
(2) temperature controls
Display is controlled touch screen 21 and sets technological temperature, pass to PLC system by communication modes, with PLC resistance thermometry
Bath temperature data compare, thus control burner automatic large and small fire conversion, when burner little fire state under work time,
When tank liquor temperature exceedes setting maximum temperature, automatically stop two burner operation, during less than minimum temperature, automatically start two combustions
Burner；
(3) display
Touch screen 21 is used to be used as display terminal, can be intuitively the work of burner, air solenoid valve, gas electromagnetic valve etc.
Make state to reappear on the touchscreen, timely display alarm information and alarm history record, the timely solid-line curve of temperature history.
Present invention solves the technical problem that:
1, multiple burners interfere problem because of reasons such as air pressure in ignition process:By repetition test, determine combustion gas
Main pipeline inlet pressure≤5KPa；Utilize frequency converter timing function point analysis blast size；Utilize gas pipeline ball valve point of adjustment
Fire gas flow.By repetition test make combustion flame reach optimum efficiency (if i.e. burner ignition flame is little, Yi Beiqi
Put out during its burner ignition；If burner ignition flame is big, put out during the burner easily other lighted).
2, multiple burners are in aflame stability and economy: when gas-operated thermal bath facility is in tank liquor keeping warm mode
Time, burner is change in airtight combustion chambers burn temperature, if combustion flame frequently changes, air-fuel ratio is difficult to be transferred to
Good, cause fuel gas buring insufficient, i.e. waste combustion gas makes again exhaust emissions the most up to standard.So we use in properly functioning,
Only big fire and little fire two kinds of states of burning, only have a combustion gas to be in charge of during little fire burning and supply to burner;When big fire is burnt
Time, there are two combustion gas to be in charge of supply.This mode is easily transferred to air-fuel ratio most preferably.And under little fire state, work as tank liquor temperature
When reaching to set peak, two burner combustion can be automatically stopped.When tank liquor temperature is less than setting value, reset automatically
Two burners.The most i.e. can guarantee that tank liquor temperature fluctuation is little, save again combustion gas.
The control system of the present invention is easy to operate, only need to be lighted a fire reliable by start button, operated steadily, safety heat
Efficiency is high, remarkable in economical benefits.
Claims (4)
1., for a burner electric control system for descaling bath immersion trough heating, it is characterized in that: it is mainly responsible for ball by combustion gas
Valve (1), combustion gas supervisor's low tension switch (2), combustion gas supervisor's high-voltage switch gear (3), combustion gas supervisor's electromagnetic valve (4), air line ball valve
(5), ball valve (6) is in charge of in combustion gas, electromagnetic valve (9), ripple are in charge of in air line Pressure gauge (7), air line electromagnetic valve (8), combustion gas
Stricture of vagina flexible pipe (10), combustion fan (11), converter (12), burner (13), ion flame detector (14), igniting high voltage package
(15), touch screen (21), display lamp (22), button (23), ignition controller (24), power safety (25), on and off switch (26),
Programmable controller PLC system (27), miniature relay (28) and binding post (29) composition.
2. the burner electric control system for the heating of descaling bath immersion trough as claimed in claim 1, is characterized in that: with can
Programmable controller PLC system (27) is that core realizes automatically controlling, and multiple burners (13) are automatic in an airtight combustor
Igniting, flame size change burning automatically, under little fire state, when tank liquor temperature reaches to set peak, can be automatically stopped
Two burner combustion, when tank liquor temperature is less than setting value, reset automatically two burners.
3. the burner electric control system for the heating of descaling bath immersion trough as claimed in claim 1, is characterized in that:
It is that core carries out system control by programmable controller PLC system (27);
Using touch screen (21) to be used as operation and display terminal, PLC and touch screen tie-portion represent employing communication modes even
Connect;
Converter (12) rotating speed is regulated, so that combustion system is in different conditions, fired state, large and small fire state by PLC
Under, obtain different blast;
4. control ignition controller igniting by PLC and gas electromagnetic valve is opened or closed;
5. by PLC and each protection signal, flame sensing signal, gaseous-pressure signal etc. connect, so that whole control system
Can safe and reliable operation;
6. it is connected with temperature of liquid signal by PLC and PLC is connected with the communication of touch screen, thus realize temperature-controllable.
4. the control program of the burner electric control system for the heating of descaling bath immersion trough as claimed in claim 1, it is special
Levy is to include implementing as follows step:
(1) igniting
It is that core carries out sequential control by programmable controller PLC system (27), presses the start button (23) of switch board, first
Convergent current type pickling liquid heat exchanger apparatus is carried out purging at a high speed by blower fan, and after purging, blower fan reduction of speed is to fire speed, then
1#Ignition controller is struck sparks, and simultaneously 1#Gas ignition electromagnetic valve is opened, and then 1#Burner ignition, detects flame, puts pyrogene
Merit;After flame stabilization 8 seconds, 4#Burner starts igniting, equally to 2#、3#Burner ignition, in ignition process, if
When igniting, certain burner ignition failure, PLC system automatically cuts off gas electromagnetic valve and automatically carries out lighting a fire for the second time；When
Regnition failure, combustion system stops igniting and burning, carries out system protection, cuts off gas valve, and blower fan carries out purging at a high speed；
(2) temperature controls
Display is controlled touch screen (21) and sets technological temperature, pass to PLC system by communication modes, with PLC thermal resistance mould
The bath temperature data of block compare, thus control the conversion of burner automatic large and small fire, when burner works under little fire state,
When tank liquor temperature exceedes setting maximum temperature, automatically stop two burner operation, during less than minimum temperature, automatically start two combustions
Burner；
(3) display
Touch screen (21) is used to be used as display terminal, can be intuitively burner, air solenoid valve, gas electromagnetic valve etc.
Duty is reappeared on the touchscreen, timely display alarm information and alarm history record, the timely solid-line curve of temperature history.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610622807.8A CN106196163B (en) | 2016-08-02 | 2016-08-02 | For the burner electric control system of descaling bath immersion trough heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610622807.8A CN106196163B (en) | 2016-08-02 | 2016-08-02 | For the burner electric control system of descaling bath immersion trough heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106196163A true CN106196163A (en) | 2016-12-07 |
| CN106196163B CN106196163B (en) | 2018-06-12 |
Family
ID=57498368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610622807.8A Active CN106196163B (en) | 2016-08-02 | 2016-08-02 | For the burner electric control system of descaling bath immersion trough heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106196163B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904578A (en) * | 2017-11-27 | 2018-04-13 | 台州青松热能设备科技有限公司 | A kind of bonderizing plant |
| CN110243194A (en) * | 2019-05-08 | 2019-09-17 | 安德森热能科技（苏州）有限责任公司 | A kind of full-automatic method for cleaning and its cleaning control device of pure oxygen combustor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0573222A1 (en) * | 1992-05-30 | 1993-12-08 | BLUE CIRCLE HEATING LIMITED (formerly MYSON GROUP PLC) | Heating appliances |
| JPH10311545A (en) * | 1997-05-12 | 1998-11-24 | Matsushita Electric Ind Co Ltd | Hot-water supplying and room heating machine |
| CN101655245A (en) * | 2009-09-04 | 2010-02-24 | 江苏焱鑫科技股份有限公司 | Multiparameter automatic control method of industrial furnace burner |
| CN102519041A (en) * | 2011-12-23 | 2012-06-27 | 李延新 | Numerical control gas burner |
| CN205156022U (en) * | 2015-04-02 | 2016-04-13 | 桂林市淦隆信息科技有限公司 | Intelligent burning control system of liquid fuel |
| CN105627358A (en) * | 2014-11-06 | 2016-06-01 | 黔东南州龙达再生能源开发有限责任公司 | Intelligent control system for kiln |
-
2016
- 2016-08-02 CN CN201610622807.8A patent/CN106196163B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0573222A1 (en) * | 1992-05-30 | 1993-12-08 | BLUE CIRCLE HEATING LIMITED (formerly MYSON GROUP PLC) | Heating appliances |
| JPH10311545A (en) * | 1997-05-12 | 1998-11-24 | Matsushita Electric Ind Co Ltd | Hot-water supplying and room heating machine |
| CN101655245A (en) * | 2009-09-04 | 2010-02-24 | 江苏焱鑫科技股份有限公司 | Multiparameter automatic control method of industrial furnace burner |
| CN102519041A (en) * | 2011-12-23 | 2012-06-27 | 李延新 | Numerical control gas burner |
| CN105627358A (en) * | 2014-11-06 | 2016-06-01 | 黔东南州龙达再生能源开发有限责任公司 | Intelligent control system for kiln |
| CN205156022U (en) * | 2015-04-02 | 2016-04-13 | 桂林市淦隆信息科技有限公司 | Intelligent burning control system of liquid fuel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904578A (en) * | 2017-11-27 | 2018-04-13 | 台州青松热能设备科技有限公司 | A kind of bonderizing plant |
| CN110243194A (en) * | 2019-05-08 | 2019-09-17 | 安德森热能科技（苏州）有限责任公司 | A kind of full-automatic method for cleaning and its cleaning control device of pure oxygen combustor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106196163B (en) | 2018-06-12 |
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