CN201446210U - Gasification forging continuous heating furnace - Google Patents
Gasification forging continuous heating furnace Download PDFInfo
- Publication number
- CN201446210U CN201446210U CN2009200145221U CN200920014522U CN201446210U CN 201446210 U CN201446210 U CN 201446210U CN 2009200145221 U CN2009200145221 U CN 2009200145221U CN 200920014522 U CN200920014522 U CN 200920014522U CN 201446210 U CN201446210 U CN 201446210U
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- China
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- gas
- pouch chamber
- heating furnace
- forging
- laryngeal pouch
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Abstract
The utility model relates to a gasification forging continuous heating furnace, which comprises a gas generator and a forging billet heating furnace which are connected by a laryngeal pouch chamber, and is characterized in that the bottom of the forging billet heating furnace is of a ladder-shaped structure, and a high-temperature zone and a low-temperature zone are formed in a hearth; three nozzles are arranged in the high-temperature zone of the hearth, and the gas inlet ends of the three nozzles are fixedly connected the three gas outlets of the laryngeal pouch chamber; the gas inlet end of the laryngeal pouch chamber is connected with the gas outlet end of the gas generator, and a spiral preheater is arranged in the flue of the forging billet heating furnace and utilizes the excess heat of the heating furnace to heat the air flowing into the gas generator so as to save energy. The utility model utilizes the best short water jacket to directly supply hot air needed by gas conversion, reduces fuel, water and gas consumption, can reduce environmental pollution and greatly improve forging quality.
Description
Technical field
The utility model relates to a kind of heating furnace, particularly relates to a kind of heating furnace that forge piece blank reheating is carried out preheating.
Background technology
To carry out The pre-heat treatment to forge piece blank reheating during forging, the most of column type body of heater that adopts of present widely used coal gas forge furnace, the stove a heatable brick bed that is located at scarfing cinder box, particularly heating furnace is flat, does not have high low-temperature space, material section preheating oxidation is serious, firing rate is slow, and this has not only reduced the quality of forging, and has reduced production efficiency, improved production cost, and power consumption is big.
Summary of the invention
The stove a heatable brick bed that the purpose of this utility model provides a kind of heavy caliber, low pressure and short distance row coal gas formula forging heating furnace body, forging heating furnace body is stepped, can increase substantially pre-thermal mass of forging and production efficiency, cut down the consumption of energy, and security of operation.
The technical scheme that adopts is:
Gasification forging continuous reheating furnace, comprise gas generator, forge piece blank reheating heating furnace and laryngeal pouch chamber, the furnace bottom that it is characterized in that described blank heating stove is a stepped construction, and formation low-temperature space and high-temperature region are provided with a plurality of boccas in the high-temperature region of the burner hearth of blank heating stove in burner hearth; In the flue of blank heating stove, be provided with spiral preheating device, the blast pipe of spiral preheating device is connected with the air outlet of peripheral hardware air blast, the air outlet of spiral preheating device is connected with first discharge pipe and second discharge pipe, first discharge pipe is connected with an end of a blast pipe, the other end of the blast pipe blast cap interior with being arranged on gas generator is connected, second discharge pipe is connected with the air inlet that divides the wind jar, divide the gas outlet of wind jar to be connected with a plurality of secondary wind inleting tubes, a plurality of secondary wind inleting tubes connect with corresponding bocca respectively; The gas inlet end of laryngeal pouch chamber and the gas exit end of gas generator are fixedly connected into an overall structure, and the gas exit end of laryngeal pouch chamber and the gas entry end of blank preheating furnace connect into an overall structure; The front end face of the inwall of laryngeal pouch chamber is an arcwall face, and the bottom of laryngeal pouch chamber is provided with the storage ash-pit; The front end face of laryngeal pouch chamber is provided with a plurality of coal gas and portals, a plurality of coal gas portal respectively be arranged on burner hearth in a plurality of boccas corresponding; The gas inlet end of a plurality of boccas is separately fixed in coal gas on the front end face of corresponding laryngeal pouch chamber portals.
Be provided with spiral preheating device in the flue of forging heating furnace, so that make full use of the waste heat that heating furnace produces, save the energy, the air outlet of spiral type heated device is connected with first discharge pipe and second discharge pipe.First discharge pipe is connected with a blast pipe.Second discharge pipe is connected with dividing the wind jar, divides the wind jar to be provided with a plurality of gas outlets, is connected with secondary wind inleting tube respectively, each secondary wind inleting tube and corresponding bocca connection.The blank intake mechanism of forging (or claiming blank) heating furnace is a known technology, comprises liftout platform, hydraulic cylinder, hydraulic pump.
The utlity model has following advantage:
1, the forge furnace size the is matched required hot gas of gas burner, directly giving gas with the short water jacket of the best transforms required hot gas, reduces fuel and aqueous vapor consumption.
2, adopt bore diffusion type torch firing (burner), do not tie coal tar, do not produce the high temperature streamline, improve body of heater service life (more than 3 times) heating furnace and adopt at the bottom of the terraced wall furnace, make the high low-temperature space of heating furnace clearly demarcated, improve heating quality, shorten oxidizing process, prolong stove a heatable brick bed service life (more than 2 times).
Gasification forging continuous reheating furnace is than a large amount of coal gas forge furnaces that use are energy-conservation more than 30% now, blank oxidization burning loss rate reduces about 1.5%, coal-iron ratio is more than 1: 6, various flue gases, oxide emissions is lower than national requirements for environmental protection, the most of column type body of heater that adopts of gasification forging continuous reheating furnace, the scarfing cinder basin. no fire grate, water logging lime-ash comb coal, best short water jacket, do not have to press and add water automatically, used hot gas when the hot gas that produces gives gas generation: one, the whole hot wind supplies of secondary wind (utilizing surplus temperature heating), owing to be provided with the laryngeal pouch chamber, constitute heavy caliber, low pressure, short distance row coal gas formula body of heater, coal gas forms whirlwind within it, sulfide and heavy metal deposition (are promptly stored up ash-pit) in the laryngeal pouch chamber store, remove during low temperature---do not have before the coal, when chimney has negative pressure (no draft) dust in the laryngeal pouch is not removed in heating clamber with a wind.
3, body of heater is equipped with the visual row pressure extra heavy pipe of low temperature and body of heater is not had press safe and reliable, leaves the easy-opening fire door, is beneficial to scarfing cinder and lights a fire, leave three prepurging cinclides, and can handle coal-fired coking, leave a perspective mouth, to observe coal seam thickness and fired state, look the type water tank outside being equipped with, be convenient to water jacket and add water.The coal gas forge furnace is taked the anti-burn off dirt of hot whirlwind, the dedusting (double dust collection) of laryngeal pouch formula low temperature feedback, and small-bore row's coal gas, the diffusion type torch firing also leaves enough coal gas mixed combustion spaces; Adopt hydraulic pressure liftout mode, be beneficial to continuous heating; Long apart from preheating section, be beneficial to the blank preheating; The heating of best cell section high temperature is beneficial to Fast Heating; At the bottom of the terraced wall furnace, make high low-temperature space clearly demarcated, alleviate oxidation and improve stove a heatable brick bed service life; Preheater is placed with partially and is beneficial to air-flow and is flowed to the low temperature direction by high temperature, makes fire door flame little, and the blank pre-heat effect is good.
4, reduce pollution on the environment.
5, increase substantially forging quality.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the B-B view of Fig. 1.
Fig. 4 is laryngeal pouch chamber and bocca assembling schematic diagram.
The specific embodiment
Gasification forging continuous reheating furnace is made up of gas generator 23 and forge piece blank reheating heating furnace 24.
Gas generator comprises body of heater 25, covers to be equipped with on body of heater 25 to add coal bunker 1 and prepurging hole 22.Be provided with at the discharging opening place that adds coal bunker 1 and put coal valve 2, be provided with water jacket 4 on the inwall of the burner hearth part of body of heater 25, water jacket 4 is connected with air accumulator 9 by pipeline 26, and safe pressure release valve 8 is installed on the air accumulator 9.Air accumulator 9 is connected with a blast pipe 27 by pipeline.When water vapour pressure in the air accumulator 9 greater than when setting value, safe pressure release valve starts pressure release.Be provided with blast cap 6 in body of heater 25 bottoms, blast cap 6 is connected with first discharge pipe 28 of spiral preheater by a blast pipe 27.The blast pipe 17 of spiral preheating device 12 is connected with air blast.Furnace wall arranged outside in body of heater 25 bottoms has water box 7, and water box 7 communicates with the inlet opening of body of heater 25, makes body of heater 25 bottoms have water, with water seal blast cap 6.On the furnace wall of body of heater 25, be provided with peep hole 3 and fire door 5.
The forge piece blank reheating heating furnace comprises three boccas 11 and spiral preheater 12 that body of heater 25, laryngeal pouch chamber 29, hydraulic cylinder 13, liftout platform 14, hydraulic pump 16, the structure of heating furnace is identical.Spiral preheater 12 is arranged in the flue 19 of body of heater 25 of blank heating stove.
The feeding mechanism of blank heating stove is known, comprises frame 18, hydraulic cylinder 13, liftout platform 14 and hydraulic pump 16.Need a plurality of forge piece blank reheating of heating to be successively placed on and expect to feed continuously in the blank heating stove 24 by above-mentioned hydraulic mechanism on the platform, successively through low-temperature space 34, export by discharging opening after entering high-temperature region 33.
Claims (2)
1. gasification forging continuous reheating furnace, comprise gas generator (23), forge piece blank reheating heating furnace (24) and laryngeal pouch chamber (29), the furnace bottom (33) that it is characterized in that described blank heating stove (24) is a stepped construction, forms low-temperature space (34) and high-temperature region (35) and be provided with a plurality of boccas (11) in burner hearth in the high-temperature region (35) of the burner hearth of blank heating stove (24); In the flue (19) of blank heating stove (24), be provided with spiral preheating device (12), the blast pipe (17) of spiral preheating device (12) is connected with the air outlet of peripheral hardware air blast, the air outlet of spiral preheating device (12) is connected with first discharge pipe (28) and second discharge pipe (36), first discharge pipe (28) is connected with an end of a blast pipe (27), the other end of a blast pipe (27) blast cap (6) interior with being arranged on gas generator (23) is connected, second discharge pipe (36) is connected with the air inlet that divides wind jar (15), divide the gas outlet of wind jar (15) to be connected with a plurality of secondary wind inleting tubes (31), a plurality of secondary wind inleting tubes (31) connect with corresponding bocca (11) respectively; The gas exit end of the gas inlet end of laryngeal pouch chamber (29) and gas generator (23) is fixedly connected into an overall structure, and the gas exit end of laryngeal pouch chamber (29) and the gas entry end of blank preheating furnace connect into an overall structure; The front end face (30) of the inwall of laryngeal pouch chamber (29) is an arcwall face, and the bottom of laryngeal pouch chamber (29) is provided with storage ash-pit (10); The front end face (30) of laryngeal pouch chamber (29) is provided with a plurality of coal gas and portals (32), a plurality of coal gas portal (32) respectively be arranged on burner hearth in a plurality of boccas (11) corresponding; The gas inlet end of a plurality of boccas (11) is separately fixed at coal gas on the front end face (30) of corresponding laryngeal pouch chamber (29) and portals in (32).
2. gasification forging continuous reheating furnace according to claim 1 is characterized in that described bocca (11) is for tubaeform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200145221U CN201446210U (en) | 2009-06-11 | 2009-06-11 | Gasification forging continuous heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200145221U CN201446210U (en) | 2009-06-11 | 2009-06-11 | Gasification forging continuous heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201446210U true CN201446210U (en) | 2010-05-05 |
Family
ID=42550920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200145221U Expired - Lifetime CN201446210U (en) | 2009-06-11 | 2009-06-11 | Gasification forging continuous heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201446210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920303B (en) * | 2009-06-11 | 2013-01-02 | 瓦房店世强轴承制造有限公司 | Gasification forging continuous reheating furnace |
-
2009
- 2009-06-11 CN CN2009200145221U patent/CN201446210U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920303B (en) * | 2009-06-11 | 2013-01-02 | 瓦房店世强轴承制造有限公司 | Gasification forging continuous reheating furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100505 Effective date of abandoning: 20090611 |
|
| RGAV | Abandon patent right to avoid regrant |