CN202201922U - Digital pulse type thermal treatment furnace - Google Patents
Digital pulse type thermal treatment furnace Download PDFInfo
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- CN202201922U CN202201922U CN2011202881072U CN201120288107U CN202201922U CN 202201922 U CN202201922 U CN 202201922U CN 2011202881072 U CN2011202881072 U CN 2011202881072U CN 201120288107 U CN201120288107 U CN 201120288107U CN 202201922 U CN202201922 U CN 202201922U
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- furnace
- digital pulse
- treatment furnace
- heat treatment
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Abstract
The utility model discloses a digital pulse type thermal treatment furnace, which mainly comprises a furnace body mechanical structure, a sealing system, a fume exhausting system, a combusting system and an automation control system. The combusting system comprises multiple groups of nozzles, a combustion control system and a fuel supplying system, wherein the nozzles are arranged under two sides of the treatment furnace. The sealing system is that a furnace door adopts a guide wheel and a four-point balancing cylinder pressing structure, the tail portion of a trolley and a furnace wall adopt a spring pressing sealing structure, and two sides of the trolley and the furnace wall are sealed in slope fiber soft sealing mode. The fume exhausting system is composed of an exhausting flue, an air preheater, a steel fume pipe and an electric adjusting flue shutter arranged at the position of the exhausting flue above the air preheater. The digital pulse type thermal treatment furnace is simple, reliable, low in manufacture cost, capable of improving evenness of temperature field in the furnace, high in heat transferring efficiency, capable of greatly reducing energy consumption, large in load adjusting ratio of a burner and capable of achieving accurate control in air-fuel ratio and reducing generation of nitrogen oxide (NOx), and requires no on-line adjustment.
Description
Technical field
The utility model relates to a kind of heat treatment furnace, relates in particular to a kind of digital pulse formula heat treatment furnace.
Background technology
Along with industrial development, people reduce production costs to improving the quality of products, and reduce energy consumption, and the requirement of strengthening the environmental administration also improves day by day, and energy-saving and emission-reduction become the developing goal of whole industrial trade.Industrial furnace is the energy consumption rich and influential family, and the height of its energy consumption directly is reflected in the cost of product and is worth, and directly has influence on the competitive capacity and the market of product, even has influence on the survival and development of enterprise.Therefore the car-type heat treating furnace of digitizing pulse-combustion technology is used in exploitation, will reduce production costs and save energy and reduce the cost industrial furnace to bring revolutionary change.
What digitizing pulse-combustion technology adopted is a kind of mode of intermittent burning, uses pulse modulation technology, and the dutycycle (break make ratio) of regulating combustion time through digital control technology realizes the temperature control of stove.Fuel flow under the burning state can pass through the online adjusting of main fuel by-pass valve control, and burner is burning in a single day, just is in the optimal combustion state of its design, and the gas outlet speed when guaranteeing burner combustion is constant.System makes the burner in the stove alternate combustion, through the continuous stirring of combustion gas in stove, makes the temperature field in furnace uniform distribution, reaches the purpose of improving the quality of products and reducing consumption.
Traditional heat treatment furnace adopts conventional burner combustion system, and thermal load is little, and gas flow rate is low, and flame profile does not reach requirement, and thermo-efficiency is low, and each item index has bigger gap apart from design requirements.Pulse-combustion is quite different; No matter under which kind of situation, burner has only two kinds of working ordeies, and a kind of is to operate at full capacity; Another kind is not work; Be to carry out temperature regulation, regulate than low defective, can guarantee that still burner is operated in optimal combustion state when needing to hang down temperature control so adopt pulse-combustion can remedy burner through the time ratio of adjusting two states.When using high combustion rate burner, the combustion gas spouting velocity is fast, makes to form negative pressure on every side, and a large amount of inner flue gas of the stove are sucked in the main combustion gas; Fully mix, prolonged the viscous flow time of flue gas in kiln, increased the duration of contact of flue gas and heated parts; Thereby improved transmission of heat by convection efficient, in addition, flue gas and combustion gas fully mix in the kiln; Make fuel gas temperature and inner flue gas of the stove temperature approaching, improve the homogeneity of temperature field in furnace, reduce high-temperature fuel gas the direct heat of heated object is impacted.Major advantage comprises: system is simple and reliable, cost is low; Can improve the homogeneity of temperature field in furnace; Heat transfer efficiency is high, cuts down the consumption of energy greatly, and the load regulation rate of burner is big; Need not online adjustment, can realize the accurate control of air-fuel ratio; Reducing NOx generates.
The utility model content
The utility model provides a kind of digital pulse formula heat treatment furnace, and it has solved defectives such as prior art cost height, contaminate environment.
The utility model provides a kind of digital pulse formula heat treatment furnace; Mainly form by body of heater physical construction, tightness system, fume exhaust system, firing system and automation control system; Firing system comprises many group burners, combustion control system, fuel system composition, and wherein burner is positioned at and handles the stove down either side.
Preferred version is that combustion control system is made up of with emergency cutting off valve one gate valve, one blank-plate valve, and is arranged on the gas pipeline before the entering burner, and also is provided with lighter for ignition and flame detector in the pipeline; Fuel system comprises that gas supply and air supply be made up of the manual hot blast butterfly valve that air heat exchanger, flow detector, pneumatic two position valve are positioned at before the burner.
Preferred version is that process furnace can be trolley type heating furnace, stepping-bottom-type heating furnace, pusher-type furnace or cell-type process furnace.
Preferred version is that trolley type heating furnace is made up of stove masonry, furnace binding, fire door and lifting structure and chassis structure.
Preferred version comprises side wall and furnace roof for the stove masonry.
Preferred version is fire door and lifting structure, and fire door is made up of full fiber liner and shaped steel weldment, goes up and down to adopt electricblock to hang form.
Preferred version is that chassis is the double deck type steelwork, and the trolley movement form is the transmission of wheel formula, is provided with a pair of motion-work wheel and pair of driven, and the chassis below is the monorail structure.
Preferred version is that tightness system does, fire door adopts guide wheel to add 4 balance cylinder hold-down mechanisms, and chassis afterbody and furnace wall adopt the spring application tightness system, and chassis both sides and furnace wall adopt inclined-plane fiber soft seal mode.
To be fume exhaust system be made up of smoke-uptake, air preheater, steel chimney and the electronic conciliation flue shutter that is located at smoke-uptake place, air preheater top preferred version.
The utility model system is simple and reliable, cost is low; Can improve the homogeneity of temperature field in furnace; Heat transfer efficiency is high, cuts down the consumption of energy greatly, and the load regulation rate of burner is big; Need not online adjustment, can realize the accurate control of air-fuel ratio; Reducing NOx generates.
Description of drawings
Fig. 1 the utility model structure iron;
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is done further detailed explanation.
Embodiment 1
As shown in Figure 1; A kind of digital pulse formula heat treatment furnace; Mainly form by body of heater physical construction 1, tightness system 2, fume exhaust system 3, firing system and automation control system; Firing system comprises many group burners 4, combustion control system, fuel system composition, and wherein burner is positioned at and handles the stove down either side.Combustion control system is made up of with emergency cutting off valve one gate valve, one blank-plate valve, and is arranged on the gas pipeline before the entering burner 4, also is provided with lighter for ignition and flame detector in the pipeline; Fuel system comprises that gas supply 5 and air supply 6 be made up of the manual hot blast butterfly valve that air heat exchanger, flow detector, pneumatic two position valve are positioned at before the burner.Process furnace can be trolley type heating furnace, stepping-bottom-type heating furnace, pusher-type furnace or cell-type process furnace.Trolley type heating furnace is made up of stove masonry 7, furnace binding 8, fire door and lifting structure and chassis structure.The stove masonry comprises side wall 9 and furnace roof 11.Fire door and lifting structure, fire door is made up of full fiber liner and shaped steel weldment, goes up and down to adopt electricblock to hang form.Chassis is the double deck type steelwork, and the trolley movement form is 9 transmissions of wheel formula, is provided with a pair of motion-work wheel and pair of driven, and the chassis below is a monorail structure 10.Tightness system 2 is that fire door adopts guide wheel to add 4 balance cylinder hold-down mechanisms, chassis afterbody and furnace wall employing spring application tightness system, chassis both sides and furnace wall employing inclined-plane fiber soft seal mode.Fume exhaust system is made up of smoke-uptake, air preheater, steel chimney and the electronic conciliation flue shutter that is located at smoke-uptake place, air preheater top.
Above content is to combine structure and the working process of the utility model to its further explain of doing, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (9)
1. digital pulse formula heat treatment furnace; Mainly form by body of heater physical construction, tightness system, fume exhaust system, firing system and automation control system; It is characterized in that: described firing system comprises many group burners, combustion control system, fuel system composition, and wherein burner is positioned at and handles the stove down either side.
2. digital pulse formula heat treatment furnace according to claim 1 is characterized in that; Described combustion control system is made up of with emergency cutting off valve one gate valve, one blank-plate valve, and is arranged on the gas pipeline before the entering burner, and also is provided with lighter for ignition and flame detector in the pipeline; Fuel system comprises that gas supply and air supply be made up of the manual hot blast butterfly valve that air heat exchanger, flow detector, pneumatic two position valve are positioned at before the burner.
3. digital pulse formula heat treatment furnace according to claim 2 is characterized in that: described process furnace can be trolley type heating furnace, stepping-bottom-type heating furnace, pusher-type furnace or cell-type process furnace.
4. digital pulse formula heat treatment furnace according to claim 3 is characterized in that: described trolley type heating furnace is made up of stove masonry, furnace binding, fire door and lifting structure and chassis structure.
5. digital pulse formula heat treatment furnace according to claim 4 is characterized in that: described stove masonry comprises side wall and furnace roof.
6. digital pulse formula heat treatment furnace according to claim 4 is characterized in that: described fire door and lifting structure, fire door is made up of full fiber liner and shaped steel weldment, goes up and down to adopt electricblock to hang form.
7. digital pulse formula heat treatment furnace according to claim 4 is characterized in that: described chassis is the double deck type steelwork, and the trolley movement form is the transmission of wheel formula, is provided with a pair of motion-work wheel and pair of driven, and the chassis below is the monorail structure.
8. according to each described digital pulse formula heat treatment furnace of claim 4-7; It is characterized in that: described tightness system does; Fire door adopts guide wheel to add 4 balance cylinder hold-down mechanisms; Chassis afterbody and furnace wall adopt the spring application tightness system, and chassis both sides and furnace wall adopt inclined-plane fiber soft seal mode.
9. according to each described digital pulse formula heat treatment furnace of claim 1-7, it is characterized in that: described fume exhaust system is made up of smoke-uptake, air preheater, steel chimney and the electronic conciliation flue shutter that is located at smoke-uptake place, air preheater top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202881072U CN202201922U (en) | 2011-08-10 | 2011-08-10 | Digital pulse type thermal treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202881072U CN202201922U (en) | 2011-08-10 | 2011-08-10 | Digital pulse type thermal treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201922U true CN202201922U (en) | 2012-04-25 |
Family
ID=45966054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202881072U Expired - Fee Related CN202201922U (en) | 2011-08-10 | 2011-08-10 | Digital pulse type thermal treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202201922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103805751A (en) * | 2012-11-15 | 2014-05-21 | 丹阳市江南工业炉有限公司 | Platform gas thermal treatment furnace of mobile guide rail compressing furnace door |
| CN105241237A (en) * | 2015-09-30 | 2016-01-13 | 山东蒙凌工程机械股份有限公司 | Natural gas thermal treatment furnace |
-
2011
- 2011-08-10 CN CN2011202881072U patent/CN202201922U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103805751A (en) * | 2012-11-15 | 2014-05-21 | 丹阳市江南工业炉有限公司 | Platform gas thermal treatment furnace of mobile guide rail compressing furnace door |
| CN105241237A (en) * | 2015-09-30 | 2016-01-13 | 山东蒙凌工程机械股份有限公司 | Natural gas thermal treatment furnace |
| CN105241237B (en) * | 2015-09-30 | 2018-07-06 | 山东新达重工机械有限公司 | Natural gas heat-treatment furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |