CN101920303A - Gasification forging continuous reheating furnace - Google Patents
Gasification forging continuous reheating furnace Download PDFInfo
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- CN101920303A CN101920303A CN2009100119518A CN200910011951A CN101920303A CN 101920303 A CN101920303 A CN 101920303A CN 2009100119518 A CN2009100119518 A CN 2009100119518A CN 200910011951 A CN200910011951 A CN 200910011951A CN 101920303 A CN101920303 A CN 101920303A
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- pouch chamber
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- laryngeal pouch
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Abstract
The invention relates to a gasification forging continuous reheating furnace, comprising a coal gas producer and a forge piece blank heating furnace; wherein the two are connected by a laryngeal chamber. The bottom of the forge piece blank heating furnace is in stepped structure, and a high temperature region and a low temperature region are formed in the hearth. Three burners are arranged in the high temperature region in the hearth, the gas inlet of the three burners is fixedly connected with the three gas outlets of the laryngeal chamber, and the gas inlet of the laryngeal chamber is connected with the gas outlets of the gas producer. The flue of the forge piece blank reheating furnace is internally provided with a spiral preheating device, and waste heat of the reheating furnace is utilized to heat the air which enters into the gas producer, thus achieving the aim of energy conservation. The invention adopts optimal short water jacket to directly supply hot gas for gas conversion, fuel and steam consumption is reduced, environmental pollution can be reduced, and forging quality can be greatly improved.
Description
Technical field
The present invention relates to a kind of heating furnace, particularly relate 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 invention is to provide 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 comprises gas generator, laryngeal pouch chamber and forging heating furnace.
Gas generator comprises body of heater, adds coal bunker and blast cap.Body of heater is provided with peep hole and fire door, and the inwall of the burner hearth part of body of heater is lined with water jacket, and steam (vapor) outlet is arranged on the water jacket.This steam (vapor) outlet is connected with air accumulator by pipeline, and air accumulator is connected with a blast pipe by pipeline, and lower furnace portion is a hydroecium, is provided with the water box in the outside, furnace wall of body of heater bottom, and this water box communicates with above-mentioned hydroecium.Be provided with in furnace roof portion and add coal bunker, be provided with and put the coal valve adding coal bunker discharging opening place.Be provided with blast cap in the body of heater bottom, blast cap is made up of a plurality of umbrella shaped pieces, and is gapped between every adjacent two umbrella shaped pieces.
Gas generator is connected with the forging heating furnace by the laryngeal pouch chamber.
The gas inlet of laryngeal pouch chamber is connected with the gas exit of gas generator.Laryngeal pouch chamber interior walls front end face is an arcwall face, laterally is provided with a plurality of gas exits on this arcwall face, and bottom, laryngeal pouch chamber is provided with the storage ash-pit.
The stove a heatable brick bed of forging heating furnace is a stepped construction, forms low-temperature space and high-temperature region in burner hearth.In the high-temperature region of forging heating furnace, be equiped with a plurality of boccas, the gas inlet end of a plurality of boccas respectively with the laryngeal pouch chamber on corresponding gas exit be fixedly connected into an overall structure.
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 present invention 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 are lower than national requirements for environmental protection, most of column type body of heater, the scarfing cinder basin of adopting of gasification forging continuous reheating furnace.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: the whole hot wind supplies of primary and secondary air (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 invention.
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.
Gas generator 23 is connected with blank heating stove 24 by laryngeal pouch chamber 29.The gas inlet end of laryngeal pouch chamber 29 and the gas exit end of gas generator 23 are fixedly connected into an overall structure; The gas exit end of laryngeal pouch chamber 29 and the gas entry end of blank heating stove 24 connect into an overall structure.The front end face 30 of the inwall of laryngeal pouch chamber 29 is an arcwall face, so that the coal gas that enters forms circulation in laryngeal pouch chamber 29.29 bottoms, laryngeal pouch chamber are provided with storage ash-pit 10.Be separately fixed at corresponding coal gas and portal in 32 in laterally equidistant the portal rear end (air inlet end) of 32, three boccas 11 of three coal gas that is provided with of the front end face 30 of laryngeal pouch chamber 29.Bocca 11 flares, bocca 11 front ends are positioned at the high-temperature region 35 of blank heating stove 24.The furnace bottom 33 of blank heating stove is a stepped construction, forms low-temperature space 34 and high-temperature region 35 in the burner hearth, and wherein the blank entrance point is a low-temperature space.The air outlet of spiral preheating device 12 is connected with first discharge pipe 28 and second discharge pipe, 36, the first discharge pipes 28 are connected with a blast pipe 27, is equiped with one time air intake valve 20 on a blast pipe 28.Second discharge pipe 36 is connected with the air inlet that divides wind jar 15, be equiped with the second air intake valve 21 on second discharge pipe 36, divide wind jar 15 that three gas outlets are arranged, three gas outlets are connected with the inlet end of three secondary wind inleting tubes 31 respectively, and the outlet side of three secondary wind inleting tubes 31 connects with corresponding bocca 11 respectively.
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 |
|---|---|---|---|
| CN2009100119518A CN101920303B (en) | 2009-06-11 | 2009-06-11 | Gasification forging continuous reheating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100119518A CN101920303B (en) | 2009-06-11 | 2009-06-11 | Gasification forging continuous reheating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN101920303A true CN101920303A (en) | 2010-12-22 |
| CN101920303B CN101920303B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100119518A Expired - Fee Related CN101920303B (en) | 2009-06-11 | 2009-06-11 | Gasification forging continuous reheating furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551487A (en) * | 2013-11-16 | 2014-02-05 | 彭亦楚 | Pusher-type natural gas heating furnace for forging |
| CN104990406A (en) * | 2015-07-01 | 2015-10-21 | 杭州东光科技有限公司 | Biomass forging heating furnace |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095723U (en) * | 1991-03-29 | 1992-02-12 | 高正义 | Energy-saving smoke dust eliminating gas heating forging furnace |
| CN2137571Y (en) * | 1992-09-15 | 1993-07-07 | 旅顺轴承厂 | Half-gas forge heating-furnace |
| FR2876930B1 (en) * | 2004-10-25 | 2008-05-09 | Snecma Moteurs Sa | METHOD FOR HEATING FORGING MACHINES, FORGING TOOLS AND REMOVABLE OVEN MEMBER FOR HEATING SUCH TOOLS |
| CN201446210U (en) * | 2009-06-11 | 2010-05-05 | 瓦房店世强轴承制造有限公司 | Gasification forging continuous heating furnace |
-
2009
- 2009-06-11 CN CN2009100119518A patent/CN101920303B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551487A (en) * | 2013-11-16 | 2014-02-05 | 彭亦楚 | Pusher-type natural gas heating furnace for forging |
| CN104990406A (en) * | 2015-07-01 | 2015-10-21 | 杭州东光科技有限公司 | Biomass forging heating furnace |
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| Publication number | Publication date |
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| CN101920303B (en) | 2013-01-02 |
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