CN100596327C - Discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove - Google Patents
Discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove Download PDFInfo
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- CN100596327C CN100596327C CN200710049872A CN200710049872A CN100596327C CN 100596327 C CN100596327 C CN 100596327C CN 200710049872 A CN200710049872 A CN 200710049872A CN 200710049872 A CN200710049872 A CN 200710049872A CN 100596327 C CN100596327 C CN 100596327C
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Abstract
The present invention discloses a combination coal tunnel kiln furnace for reducing emission and consumption and eliminating smoke and dust, and the tunnel kiln comprises a tunnel kiln body. The tunnel kiln is a sealing channel whose inner is positioned with workpieces. The present invention is characterized in that a plurality of reciprocating type automatic coal feeding mechanisms are symmetrically arranged at the both sides of the tunnel kiln body, the reciprocating type automatic coal feeding mechanism comprises a reciprocating transmission beam, a roller and a plurality of fire grates, the reciprocating transmission beam is arranged on the roller, wherein each fire grate comprises a plurality of moving fire grates and a plurality of fixed fire grates, the moving fire grates are sideling arranged on the reciprocating transmission beam through flexible connecting axles, the fixed fire grates are arranged on the tunnel kiln body, wherein the moving fire grates and the fixed fire grates are arranged in a spaced way, and each back of fire gratecontacts with the end of the adjacent fire grate in a sliding way to form a coal storing place; a coaling hopper is arranged at the end of the reciprocating type automatic coal feeding mechanism, a combustion chamber and a flame channel are arranged at the upper part of the coaling hopper, and the combustion chamber and the flame channelencircle the kiln body.
Description
Technical field
The present invention relates to coal firing tunnel kiln stove technical field, be specifically related to the coal firing tunnel kiln stove that a kind of energy reduces discharging consumption reduction and eliminates the cloud of dust, this kiln is only limit the producer that is applied to metallurgical refractory material and the metallurgical powder production of utilization sponge iron.
Background technology
This two large problems of environmental protection and energy savings is increasingly important in the current industrial production field; become the outstanding problem that can enterprise survive and develop especially for some industrial furnace soot emissions severe overweights and high energy-consuming enterprises; since the 1980s; domestic gas extraction, use aspect have developed into sizable scale, bear but the use price of our present energy resource structure of country, natural gas and installation fee all are that some enterprises are unable.Therefore, at present in the great majority, the industrial furnace of small enterprise remains with coal and acts as a fuel, and wherein also have a lot of enterprises stove still to be in the combustion system of the fifties fire grate bar hand-stoked, all go into all fully burnings of stove coal because this combustion system can not make, and combustion flame neither keep uniform and stable, makes coal consumption high, temperature fluctuation is big in the stove, make technology controlling and process increase a lot of factors of instability, and chimney constantly discharges black smoke, serious pollution environment.
Summary of the invention
Technical problem to be solved by this invention is how a kind of discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove is provided, and this kiln has overcome existing problem in the prior art, and coal is completing combustion in tunnel kiln, has reduced energy consumption, and soot emissions are up to standard.
Technical problem proposed by the invention is to solve like this: construct a kind of discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove, comprise the tunnel cave body, described tunnel cave body is the seal channel of inner place work piece, it is characterized in that:
The bilateral symmetry of A, described tunnel cave body is provided with several reciprocating type mechanisms that delivers coal automatically, the described reciprocating type mechanism that delivers coal automatically comprises reciprocal transmission beam, roller, some fire grates, described reciprocal transmission beam is arranged on the described roller, wherein, fire grate comprises moving grate and fixed grate, described moving grate tilts to be installed on the described reciprocal transmission beam by flexibly connecting axle, described fixed grate is installed on the tunnel cave body, wherein moving grate and fixed grate are installed at interval, the back of each fire grate and adjacent fire grate end sliding-contact form and deposit the coal place;
B, described reciprocating type end of delivering coal mechanism automatically are provided with and add coal bunker, and its top is provided with combustion chamber and passage of flame, and described combustion chamber and passage of flame are around described institute road kiln body.
According to discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove provided by the present invention, it is characterized in that, be provided with passage below the described fire grate.
According to discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove provided by the present invention, it is characterized in that each reciprocating type both sides of delivering coal mechanism automatically is provided with the seamless steel pipe water stove muscle that is interconnected.
According to discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove provided by the present invention, it is characterized in that, the described reciprocating type mechanism that delivers coal automatically is connected with motor drive mechanism, described motor drive mechanism comprises motor, decelerator and eccentric wheel driver, and described eccentric wheel driver connection also drives reciprocal transmission beam reciprocating motion.
According to discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove provided by the present invention, it is characterized in that the below of the slag output end of each mechanism that back and forth delivers coal automatically is provided with granulating pit.
Coal firing tunnel kiln stove provided by the present invention, going into stove after-combustion mode when coal has changed fully, the coal seam thickness of whole hot spots is uniform, and this thickness is according to the technological requirement that the tunnel kiln of different purposes is produced product the requirement of furnace temperature to be adjusted: the coal seam does not maintain static in combustion process, but at the uniform velocity advance, and it is that one side is advanced that the coal of burning is holding in the palm its fire grate relatively, one side is gently rolled, send constantly into blast and air quantity below the fire grate and all adjust suitable new air, the burning requisite oxygen is so incensed that with effective guarantee, thereby is fully burnt adequate condition is provided for going into stove coal; Because the coal seam is even, flameholding is equipped with type curve in the suitable burner hearth again, the furnace flame shape and the flow direction, and flow also just can tend towards stability, suitable, and more controlled.Simultaneously, make full use of the chemical energy of going into stove coal and done useful work, thereby descend significantly before making the consumption coal than technological transformation, according to the production scene observation of metallurgical refractory material and metallurgical powder and the actual production of producer are noted down, produce one ton of refractory brick, save coal 35%～40%, produce one ton of sponge iron and save coal 25%～30% (indicating: be the data that adopt the fifties hand firing to compare) with coal firing tunnel kiln stove of the present invention, slag after the completing combustion is released from the fire grate afterbody and is fallen into the grain slag groove and send outside the stove and remove, also avoid dry powder residue dirt to fly upward, improved the working condition of fireman's operation.
Beneficial effect of the present invention:
1, old kiln is produced one ton of refractory material, and coal consumption is about 500kg; 2, old kiln (craft) is produced one ton of sponge iron, and coal consumption is about 750kg; 3, environmental emission standard does not reach discharging standards forever; 4, labor strength is brought irreparable injury to the peripheral masses and workman's physical and mental health greatly.
And after adopting burning tunnel kiln stove of the present invention: 1, produce one ton of refractory material, the consumption coal is in 250kg-300kg (fine coal calorific capacity more than 4500 kilocalories all can); 2, produce one ton of sponge iron, coal consumption is at 450kg-500kg; 3, without any need for environmental protection equipment, dark brown degree and dust all are lower than state environmental emissioning standard; 4, labor strength alleviates greatly; 5, the product of producing, quality assurance output improves, and for enterprise reduces discharging consumption reduction, qualified discharge reduces cost, and increases the benefit and lays a good foundation.
Description of drawings
Fig. 1 is the structural representation of coal firing tunnel kiln stove provided by the present invention;
Fig. 2 is the structural representation of the reciprocating type mechanism that delivers coal automatically among Fig. 1;
Fig. 3 is the interface schematic diagram of coal firing tunnel kiln stove provided by the present invention.
Wherein, 1, granulating pit, 2, the reciprocating type mechanism that delivers coal automatically, 3, eccentric wheel driver, 4, decelerator, 5, motor, 6, add coal bunker, 7, passage of flame, 8, the combustion chamber, 9, tunnel cave body, 10, seamless steel pipe water stove muscle, 201, roller, 202, reciprocal transmission beam, 203, flexibly connect axle, 204, fixed grate, 205, moving grate, 206, deposit the coal place.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2 and shown in Figure 3, this coal firing tunnel kiln comprises tunnel cave body 9, tunnel cave body 9 is the seal channel of inner place work piece, the bilateral symmetry of tunnel cave body 9 is provided with several reciprocating type mechanisms 2 that delivers coal automatically, reciprocating type end of delivering coal mechanism 2 automatically is provided with and adds coal bunker 6, its top is provided with combustion chamber 8 and passage of flame 7, combustion chamber 8 and passage of flame 7 are around tunnel cave body 9, radiation heating directly is provided, the below of the slag output end of each mechanism that back and forth delivers coal automatically is provided with granulating pit 1, can reduce the cloud of dust and pollute.The reciprocating type mechanism 2 that delivers coal automatically is connected with motor drive mechanism, motor drive mechanism comprises motor 5, decelerator 4 and eccentric wheel driver 3,3 connections of eccentric wheel driver also drive reciprocal transmission beam 2 reciprocating motions, move forward step by step depositing the coal of being deposited at coal place 206, in the process that moves, finish burning, in addition fire grate below be provided with passage, reciprocating type both sides of delivering coal mechanism 2 automatically are provided with the seamless steel pipe water stove muscle 10 that is interconnected.
The reciprocating type mechanism 2 that delivers coal automatically comprises reciprocal transmission beam 202, roller 201, some fire grates, back and forth transmission beam 202 is arranged on the roller 201, fire grate comprises moving grate 205 and fixed grate 204, moving grate 205 tilts to be installed on the reciprocal transmission beam 202 by flexibly connecting axle 203, fixed grate 204 is installed on the tunnel cave body 9, wherein moving grate and fixed grate are installed at interval, and the back of each fire grate and adjacent fire grate end sliding-contact form and deposit coal place 206.
Operation principle of the present invention is: the fire grate of coal firing tunnel kiln stove is set to moving grate and fixed grate, motor 5 drives 3 work of eccentric wheel driver by decelerator 4, eccentric wheel driver 3 is converted into the rotating speed of decelerator 4 reciprocating motion of drive link, drive link is connected with reciprocal transmission beam 202, back and forth transmission beam 202 is arranged on the roller 201, be convenient to move back and forth, moving grate is connected with reciprocal transmission beam 202, the bottom of fixed grate maintains static, moving grate and fixed grate are interlaced, the coal that moving grate will be deposited in the coal place 206 under the drive of reciprocal transmission beam is pushed ahead step by step, automatically finish the coal-fired work of delivering coal, can make coal fully burning in the combustion chamber by the rotating speed of controlling motor and the coal amount that adds coal bunker, save the energy and cut down the consumption of energy; Other burns completely that the coal lime-ash directly falls into granulating pit, has reduced the smoke emissioning pollution degree.
Claims (2)
1, discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove, comprise the tunnel cave body, described tunnel cave body is the seal channel of inner place work piece, the bilateral symmetry of described tunnel cave body is provided with several reciprocating type mechanisms that delivers coal automatically, the described reciprocating type mechanism that delivers coal automatically comprises reciprocal transmission beam, roller, some fire grates, described reciprocal transmission beam is arranged on the described roller, fire grate comprises moving grate and fixed grate, described moving grate tilts to be installed on the described reciprocal transmission beam by flexibly connecting axle, described fixed grate is installed on the tunnel cave body, wherein moving grate and fixed grate are installed at interval, the back of each fire grate and the end sliding-contact of adjacent fire grate, the coal place is deposited in formation, be provided with passage below the described fire grate, it is characterized in that, described reciprocating type end of delivering coal mechanism automatically is provided with and adds coal bunker, and being provided with combustion chamber and passage of flame on top, described combustion chamber and passage of flame are connected and around described tunnel cave body; Each reciprocating type both sides of delivering coal mechanism automatically is provided with seamless steel pipe water stove muscle; The described reciprocating type mechanism that delivers coal automatically is connected with motor drive mechanism, and described motor drive mechanism comprises motor, decelerator and eccentric wheel driver, and described eccentric wheel driver connection also drives reciprocal transmission beam reciprocating motion.
2, discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove according to claim 1 is characterized in that, the below of the slag output end of each mechanism that back and forth delivers coal automatically is provided with granulating pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710049872A CN100596327C (en) | 2007-08-29 | 2007-08-29 | Discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710049872A CN100596327C (en) | 2007-08-29 | 2007-08-29 | Discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101118117A CN101118117A (en) | 2008-02-06 |
| CN100596327C true CN100596327C (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710049872A Expired - Fee Related CN100596327C (en) | 2007-08-29 | 2007-08-29 | Discharge reducing, consumption lowering, smoke prevention and dust control combined fire coal tunnel cellar stove |
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| CN (1) | CN100596327C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858601B (en) * | 2009-04-10 | 2012-05-23 | 中国科学院过程工程研究所 | Reciprocating grate and working method thereof |
| WO2014169442A1 (en) * | 2013-04-17 | 2014-10-23 | 福建省毅成投资发展有限公司 | Downstream type tunnel kiln for coal-based direct reduced iron and production process therefor |
| CN103398580B (en) * | 2013-08-15 | 2015-08-12 | 江苏省元迅建材科技有限公司 | Detachable roller structure |
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2007
- 2007-08-29 CN CN200710049872A patent/CN100596327C/en not_active Expired - Fee Related
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| CN101118117A (en) | 2008-02-06 |
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Granted publication date: 20100331 Termination date: 20110829 |