CN202861312U - Automatically controlled forging heating furnace - Google Patents
Automatically controlled forging heating furnace Download PDFInfo
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- CN202861312U CN202861312U CN 201220468830 CN201220468830U CN202861312U CN 202861312 U CN202861312 U CN 202861312U CN 201220468830 CN201220468830 CN 201220468830 CN 201220468830 U CN201220468830 U CN 201220468830U CN 202861312 U CN202861312 U CN 202861312U
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Abstract
The utility model provides an automatically controlled forging heating furnace. The technical scheme is that a chimney and an air pre-heater are additionally arranged at the tail end of a discharge flue, a combustion control system is arranged inside a furnace body, and therefore labor intensity of workers and consumption of natural gas are reduced, energy is saved, and meanwhile thermal pollution is reduced. The purpose that the furnace temperature and the ratio of air and gas are accurately and timely controlled is achieved, and the factor of inaccurate manual adjustment is avoided. Furnace lining materials are all changed into a compound furnace lining structure which includes aluminum silicate fibrofelt plates (namely, a heat-prevention and heat-insulating layer), light-weight heat-insulating bricks (namely, a heat-prevention layer) and high-temperature and high-strength castable (namely, a heat-resistant working layer ). The high-temperature and high-strength castable is integrally poured, and is not only good in integrality and small in gaps, but also high in integral strength and good in collision resistant, capable of prolonging Integral service life by several times, and reducing surface heat loss in a wide range.
Description
Technical field
The utility model relates to a kind of Equipment for Heating Processing, especially a kind of automatic control forge furnace.
Background technology
In the prior art, known technology is that the insulation furnace lining all adopts the heavy clay brick masonry to form, and the furnace outer wall temperature is high, and the surface heat loss is large, and steel plate deformed is serious; Door lining adopts brickwork construction, and it is poor to seal, and outside wall temperature is high, and the surface heat loss is large, and distortion is serious; Do not have chimney and flue gas waste heat recovery apparatus, because furnace pressure is uncontrollable, furnace pressure is higher, and high-temperature flue gas is directly emerged from fire door and other slits, and not only heat loss is large, and energy waste is serious, and furnace binding often burns out simultaneously, and maintenance is frequent; Burner adopts domestic common flat flame burner, mode is controlled furnace temperature manually, labor strength is large, air/fuel gas is difficult to accomplish rational proportion, often there is the excessive situation of air excess or natural gas, burn insufficient, Control for Kiln Temperature is inaccurate simultaneously, and this is the existing weak point of prior art.
The utility model content
The purpose of this utility model, be exactly for the existing deficiency of prior art, and provide a kind of technical scheme of automatic control forge furnace, this scheme adopts and sets up chimney and air preheater at the smokejack end, be provided with combustion control system in the body of heater, can reduce labor strength, reduced gas consumption, save the energy, also reduced thermal pollution simultaneously; Realize furnace temperature and air/fuel gas proportion control accurately and timely, avoided the inaccurate factor of manual adjustment.Furnace lining material all is replaced with composite lining structure: alumina silicate fiber felt plate (insulation heat insulation layer)+light-weight insulating brick (heat-insulation layer)+high strength at high temperature castable (high temperature resistant working lining); The high strength at high temperature castable is integrated poured, good integrity not only, and the slit is few, and bulk strength is high, anti-collision, bulk life time improves several times, and the surface heat loss significantly reduces.
This programme is achieved by the following technical measures: a kind of automatic control forge furnace, include the gas inlet pipe, air intake duct, fire door and the flue that are connected with body of heater, and it is characterized in that: described flue end is provided with air preheater; Described air preheater top is connected with chimney; Be provided with combustion control system in the described body of heater.
Preferred as this programme: described air preheater outer most surrounding has air intake duct; The connecting portion of described air preheater and chimney is provided with chimney valve; Described chimney top is provided with chimney cowl can prevent that rainwater from entering.High-temperature flue gas enters flue, directly pass through again air preheater, one side enters in the stove combustion-supporting cold air preheating combustion-supporting, arrive the purpose of recovered flue gas used heat, directly carry out discharging outside the factory building in the steel construction chimney and directly after the temperature reduction of another side with high-temperature flue gas, reduced heat pollution in the atmosphere; The chimney valve that arranges on the chimney can be controlled furnace pressure by the aperture of regulating manually or automatically the flue motor-driven valve, and the assurance burner hearth is neither burned with anger, do not suck cold wind yet, not only improve product quality, also reduced heat loss simultaneously, reached the purpose of energy-saving and emission-reduction.
Preferred as this programme: gas control system includes: gas electric valve, combustion gas hand-operated valve A, combustion gas hand-operated valve B, air motor-driven valve, air hand-operated valve, temperature controller, fan frequency converter, blower fan, thermocouple, empty gas ratio valve, flat-flame burner and pressure guiding pipe; Described thermocouple is arranged in the body of heater, and thermocouple is connected with temperature controller; Described temperature controller also is connected with fan frequency converter; Described fan frequency converter is connected with blower fan; Described blower fan is arranged in the air intake duct; Described blower fan rear end is provided with the air motor-driven valve; Described air motor-driven valve rear end is provided with the pressure guiding pipe that is communicated with air intake duct; One section of described pressure guiding pipe is communicated with air intake duct, the other end is communicated with empty gas ratio valve; Described combustion gas hand-operated valve A is arranged on the gas inlet pipe; Described gas electric valve is arranged on the rear end of combustion gas hand-operated valve A; Described gas electric valve rear end arranges free gas ratio valve; Described empty gas ratio valve rear end is provided with combustion gas hand-operated valve B; Described flat-flame burner is communicated with air intake duct and gas inlet pipe, and ignition section of flat-flame burner is arranged in the body of heater.Thermocouple detected temperatures signal also passes to temperature controller, temperature controller is directly passed to fan frequency converter by calculating the output control signal, regulate the rotating speed of blower fan by fan frequency converter, thereby realize the automatic control to air quantity and blast, the size of air quantity is directly regulated the size of gas discharge by the effect of empty gas ratio valve, formed closed-loop control, realized that namely temperature controls automatically, this kind control model, not only simplified control system, temperature control is accurately same, has reduced cost of investment, by rationally regulating the rotating speed of blower motor, also reached the purpose of saves energy simultaneously.
The beneficial effect of this programme can be learnt according to the narration to such scheme, because the heat energy of flue gas after this scheme Air preheater can effectively utilize burning, chimney valve can be regulated the pressure in the body of heater easily and effectively, and combustion control system can be regulated the ratio of air/fuel gas accurately.
This shows, the utility model compared with prior art more precisely in time, has substantive distinguishing features and progress in the more energy-conserving and environment-protective in the use, operation control, and the beneficial effect of its enforcement also is apparent.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
Fig. 2 is the control schematic diagram of combustion control system.
Among the figure, 1 is body of heater, and 2 is fire door, and 3 is combustion control system, 4 is flue, and 5 is the air inlet valve, and 6 is air heat exchanger, and 7 is chimney valve, 8 is chimney, and 9 is chimney cowl, and 10 is temperature controller, and 11 is thermocouple, 12 is fan frequency converter, and 13 is blower fan, and 14 is the air motor-driven valve, and 15 is the air hand-operated valve, 16 is pressure guiding pipe, and 17 are combustion gas hand-operated valve B, and 18 is gas inlet pipe, 19 is empty gas ratio valve, and 20 are combustion gas hand-operated valve A, and 21 is flat-flame burner.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by a specific embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
Can find out by accompanying drawing, this programme is a kind of automatic control forge furnace, includes the gas inlet pipe, air intake duct, fire door and the flue that are connected with body of heater, and it is characterized in that: the flue end is provided with air preheater; The air preheater top is connected with chimney; Be provided with combustion control system in the body of heater.
The air preheater outer most surrounding has air intake duct; The connecting portion of air preheater and chimney is provided with chimney valve; The chimney top is provided with chimney cowl.
Gas control system includes: gas electric valve, combustion gas hand-operated valve A, combustion gas hand-operated valve B, air motor-driven valve, air hand-operated valve, temperature controller, fan frequency converter, blower fan, thermocouple, empty gas ratio valve, flat-flame burner and pressure guiding pipe; Described thermocouple is arranged in the body of heater, and thermocouple is connected with temperature controller; Temperature controller also is connected with fan frequency converter; Fan frequency converter is connected with blower fan; Blower fan is arranged in the air intake duct; The blower fan rear end is provided with the air motor-driven valve; Air motor-driven valve rear end is provided with the pressure guiding pipe that is communicated with air intake duct; One section of pressure guiding pipe is communicated with air intake duct, the other end is communicated with empty gas ratio valve; Combustion gas hand-operated valve A is arranged on the gas inlet pipe; Gas electric valve is arranged on the rear end of combustion gas hand-operated valve A; The gas electric valve rear end arranges free gas ratio valve; Empty gas ratio valve rear end is provided with combustion gas hand-operated valve B; Flat-flame burner is communicated with air intake duct and gas inlet pipe, and ignition section of flat-flame burner is arranged in the body of heater.
Temperature control mode in the body of heater:
Thermocouple detected temperatures signal also passes to temperature controller, temperature controller is directly passed to fan frequency converter by calculating the output control signal, regulate the rotating speed of blower fan by fan frequency converter, thereby realize the automatic control to air quantity and blast, the size of air quantity is directly regulated the size of gas discharge by the effect of empty gas ratio valve, formed closed-loop control, realized that namely temperature controls automatically, this kind control model, not only simplified control system, temperature control is accurately same, has reduced cost of investment, by rationally regulating the rotating speed of blower motor, also reached the purpose of saves energy simultaneously.
Claims (3)
1. automatically control forge furnace for one kind, include the gas inlet pipe, air intake duct, fire door and the flue that are connected with body of heater, it is characterized in that: described flue end is provided with air preheater; Described air preheater top is connected with chimney; Be provided with combustion control system in the described body of heater.
2. a kind of automatic control forge furnace according to claim 1, it is characterized in that: described air preheater outer most surrounding has air intake duct; The connecting portion of described air preheater and chimney is provided with chimney valve; Described chimney top is provided with chimney cowl.
3. a kind of automatic control forge furnace according to claim 1 and 2, it is characterized in that: gas control system includes: gas electric valve, combustion gas hand-operated valve A, combustion gas hand-operated valve B, air motor-driven valve, air hand-operated valve, temperature controller, fan frequency converter, blower fan, thermocouple, empty gas ratio valve, flat-flame burner and pressure guiding pipe; Described thermocouple is arranged in the body of heater, and thermocouple is connected with temperature controller; Described temperature controller also is connected with fan frequency converter; Described fan frequency converter is connected with blower fan; Described blower fan is arranged in the air intake duct; Described blower fan rear end is provided with the air motor-driven valve; Described air motor-driven valve rear end is provided with the pressure guiding pipe that is communicated with air intake duct; One section of described pressure guiding pipe is communicated with air intake duct, the other end is communicated with empty gas ratio valve; Described combustion gas hand-operated valve A is arranged on the gas inlet pipe; Described gas electric valve is arranged on the rear end of combustion gas hand-operated valve A; Described gas electric valve rear end arranges free gas ratio valve; Described empty gas ratio valve rear end is provided with combustion gas hand-operated valve B; Described flat-flame burner is communicated with air intake duct and gas inlet pipe, and ignition section of flat-flame burner is arranged in the body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468830 CN202861312U (en) | 2012-09-14 | 2012-09-14 | Automatically controlled forging heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468830 CN202861312U (en) | 2012-09-14 | 2012-09-14 | Automatically controlled forging heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202861312U true CN202861312U (en) | 2013-04-10 |
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ID=48028070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220468830 Expired - Fee Related CN202861312U (en) | 2012-09-14 | 2012-09-14 | Automatically controlled forging heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202861312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300506A (en) * | 2017-07-06 | 2017-10-27 | 安徽悦众车身装备有限公司 | Automobile brake air inlet pipe heats forged detection means |
| CN107971045A (en) * | 2017-11-30 | 2018-05-01 | 中国科学院大连化学物理研究所 | A kind of general-purpose vertical activates furnace system |
-
2012
- 2012-09-14 CN CN 201220468830 patent/CN202861312U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300506A (en) * | 2017-07-06 | 2017-10-27 | 安徽悦众车身装备有限公司 | Automobile brake air inlet pipe heats forged detection means |
| CN107300506B (en) * | 2017-07-06 | 2019-09-20 | 安徽悦众车身装备有限公司 | Automobile brake air inlet pipe heats forged detection device |
| CN107971045A (en) * | 2017-11-30 | 2018-05-01 | 中国科学院大连化学物理研究所 | A kind of general-purpose vertical activates furnace system |
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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: 20130410 Termination date: 20150914 |
|
| EXPY | Termination of patent right or utility model |