CN105485663A - Underfeed and reverse-burning type burner - Google Patents
Underfeed and reverse-burning type burner Download PDFInfo
- Publication number
- CN105485663A CN105485663A CN201610008249.6A CN201610008249A CN105485663A CN 105485663 A CN105485663 A CN 105485663A CN 201610008249 A CN201610008249 A CN 201610008249A CN 105485663 A CN105485663 A CN 105485663A
- Authority
- CN
- China
- Prior art keywords
- fire grate
- box body
- fuel
- air chamber
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
- F23B40/04—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed from below through an opening in the fuel-supporting surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B90/00—Combustion methods not related to a particular type of apparatus
- F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
- F23B90/06—Combustion methods not related to a particular type of apparatus including secondary combustion the primary combustion being a gasification or pyrolysis in a reductive atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B2700/00—Combustion apparatus for solid fuel
- F23B2700/012—Combustion apparatus for solid fuel with predrying in fuel supply area
Abstract
The invention relates to an underfeed and reverse-burning type burner having the advantages of more complete fuel burning and cleaner exhausted flue gas. The underfeed and reverse-burning type burner comprises a box body, fuel conveyors and a blower device, wherein a grate is arranged in the box body; fuel troughs are arranged in the middle of the grate; an air chamber is formed by space between the outer side surface of the grate and the inner side surface of the box body; an annular partition board is further arranged in the box body, and the upper surface of the partition board makes contact with the outer side surface of the grate; the part, located above the top surface of the partition board, of the grate is the upper grate part, and the part, located below the top surface of the partition board, of the grate is the lower grate part; the air chamber is divided into an upper air chamber and a lower air chamber by the partition board, the upper air chamber is communicated with the upper grate part, and the lower air chamber is communicated with the lower grate part; an output end of each fuel conveyor extends into the corresponding fuel trough; the blower device comprises a blower and an air delivery pipe communicated with an outlet of the blower, an upper air channel and a lower air channel isolated from each other are formed in the air delivery pipe, the upper air channel is communicated with the upper air chamber, and the lower air channel is communicated with the lower air chamber.
Description
Technical field
The present invention relates to a kind of combustion apparatus, under particularly relating to one, raise backfire formula combustor.
Background technology
Combustor is as a kind of combustion apparatus, it is widely used as the heater of the equipment such as hot-blast stove, boiler, existing combustor fuel is added by top, and its fuel generally burns from the bottom up, and the volatile matter being arranged in top fuel easily produces the phenomenon of incomplete combustion, thus reduce the utilization rate of fuel, meanwhile, due to incomplete combustion, in the flue gas produced in combustion process, fixed carbon particle is more, make flue gas more black, thus certain pollution is produced to environment.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of combustor of new structure, make it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of fuel combustion more completely, the flue gas of discharging cleaner under raise backfire formula combustor.
Backfire formula combustor is raised under of the present invention, comprise box body, fire grate is provided with in described box body, the middle part of described fire grate is provided with fuel bath, space between the lateral surface of fire grate and the medial surface of box body forms air compartment, described air compartment communicates with fire grate, the dividing plate of ring-type is also provided with in described box body, the upper surface of described dividing plate contacts with the lateral surface of fire grate, the part being positioned at dividing plate top face of described fire grate is fire grate top, the part be positioned at below dividing plate end face of fire grate is fire grate bottom, air compartment is divided into ipper air chamber and lower air chamber by described dividing plate, described ipper air chamber communicates with fire grate top, described lower air chamber communicates with fire grate bottom, raise backfire formula combustor under described and also comprise fuel area density machine and air-blast device, the output of described fuel area density machine is each passed through the sidewall of box body and dividing plate and stretches in fuel bath, the wind conveying pipe that described air-blast device comprises air blast and is communicated with the delivery outlet of air blast, mutually isolated upper air duct and lower air duct is provided with in described wind conveying pipe, described upper air duct communicates with ipper air chamber, described lower air duct communicates with lower air chamber.
By such scheme, the present invention at least has the following advantages: raise backfire formula combustor under of the present invention, air compartment is formed between the fire grate arranged in its box body and the medial surface of box body, the air compartment baffle for separating be arranged in box body is the ipper air chamber be communicated with fire grate top and the lower air chamber be communicated with fire grate bottom, the middle part of fire grate end face offers fuel bath, the output of fuel area density machine is arranged on the bottom of fuel bath, mutually isolated upper air duct and lower air duct is comprised in the wind conveying pipe be communicated with air blast, upper air duct is communicated with ipper air chamber, lower air duct is communicated with lower air chamber, during concrete use, fuel is delivered in fuel bath through fuel area density machine, along with fuel is constantly input to fuel bath, fuel moves up in fuel bath, fuel ignites on the top of fuel bath and burning zone, after air-blast device starts, the burning things which may cause a fire disaster radiation heating being positioned at fire grate top burns downwards gradually, the fresh fuel that bottom is moved, under the hyperthermia radiation baking effect of top burning zone, progressively complete and give heated drying, the process of destructive distillation.The fuel gas volatilized in retort process, by being burnt substantially completely during burning zone in uphill process, thus to achieve in burner hearth high temperature without black smoke.The coke that burning produces burns further (reduction process) above burning zone, until after-flame, the lime-ash of generation continues by roasting slag, and the charcoal in lime-ash was turned in ashcan by the complete afterburnt.So far the burning overall process of drying, destructive distillation, oxidation, reduction is completed.Because air compartment is separated into ipper air chamber and lower air chamber, therefore, air-blast device carries the wind energy of coming to be transported to fire grate top and fire grate bottom enough respectively, thus carry out combustion-supporting to the fuel in fire grate top and fire grate bottom respectively, if do not arrange ipper air chamber and lower air chamber, because the fuel in fire grate top is less the fuel density in fire grate bottom, the wind major part that air-blast device produces can be discharged by fire grate top, the fuel being positioned at fire grate bottom is not easy to ventilate, and therefore burning zone cloth wind inequality easily produces black smoke.Incendivity fine coal and biological particles material or rice husk etc., under the condition of not additional deduster, during normal operation, flue gas blackness is Ringelman 0-1 level, and dust exhausting concentration, can fuel saving about 20% at about 200 milligrams/cubic metre.As can be seen from the above description, raise backfire formula burner structure simply under of the present invention, install easily, easy to operate, applied widely, can alleviate the labour intensity of stoker workman, the flue gas that is more complete, discharge of fuel combustion is simultaneously cleaner.
Further, backfire formula combustor is raised under of the present invention, described fuel area density machine is conveying worm, and described conveying worm comprises feeding tube and to be arranged in feeding tube and the screw auger be connected with transmission device, described feeding tube is provided with the conveying bucket communicated with the inner chamber of feeding tube.
Further, backfire formula combustor is raised under of the present invention, the medial surface of the sidewall of described box body is in vertically arranging, the lateral surface of described fire grate is inclined to set, and be separated by feeding tube between the bottom surface of fire grate and the bottom surface of box body, described fuel bath is the rectangle reverse taper extending to the bottom surface of fire grate from the end face of fire grate, and fire grate is also provided with baffle plate side ring Fang Huan, one end of described baffle plate Fang Huan is fixedly installed on fire grate, the other end of baffle plate Fang Huan contacts with the bottom surface of box body, and the output of baffle plate Fang Huan and fuel area density machine is relatively arranged.
Further, raise backfire formula combustor under of the present invention, described box side wall is provided with two ash releasing tubes, described two ash releasing tubes communicate with box body inner chamber, baffle plate side's ring inner chamber respectively.
Further, raise backfire formula combustor under of the present invention, the opening part of described box body is provided with flange, and the top of described fire grate is provided with connecting plate, and described connecting plate is arranged on the flange of box body.
Further, raise backfire formula combustor under of the present invention, the equipped at outlet port of described air blast is provided with air register.The setting of air register, makes operating personnel can regulate the air quantity of input value ipper air chamber and lower air chamber as required.
Further, raise backfire formula combustor under of the present invention, the number of described fuel bath, fuel area density machine is respectively two, and the output of two fuel area density machines is separately positioned in corresponding fuel bath.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the front view of raising backfire formula combustor under the present invention;
Fig. 2 be in Fig. 1 AA to sectional view;
Fig. 3 be in Fig. 2 BB to sectional view.
In figure, 1: box body; 2: fire grate; 3: fuel bath; 4: air compartment; 5: dividing plate; 6: fire grate top; 7: fire grate bottom; 8: ipper air chamber; 9: lower air chamber; 10: fuel area density machine; 11: air-blast device; 12: air blast; 13: wind conveying pipe; 14: upper air duct; 15: lower air duct; 16: feeding tube; 17: screw auger; 18: conveying bucket; 19: baffle plate side ring Fang Huan; 20: ash releasing tube; 21: flange; 22: connecting plate; 23: air register.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1 and Fig. 3, backfire formula combustor is raised under the one of a preferred embodiment of the present invention, comprise box body 1, fire grate 2 is provided with in box body, the middle part of fire grate is provided with fuel bath 3, space between the lateral surface of fire grate and the medial surface of box body forms air compartment 4, air compartment communicates with fire grate, the dividing plate 5 of ring-type is also provided with in box body, the upper surface of dividing plate contacts with the lateral surface of fire grate, the part being positioned at dividing plate top face of fire grate is fire grate top 6, the part be positioned at below dividing plate end face of fire grate is fire grate bottom 7, air compartment is divided into ipper air chamber 8 and lower air chamber 9 by dividing plate, ipper air chamber communicates with fire grate top, lower air chamber communicates with fire grate bottom, under raise backfire formula combustor and also comprise fuel area density machine 10 and air-blast device 11, the output of fuel area density machine is each passed through the sidewall of box body and dividing plate and stretches in fuel bath, the wind conveying pipe 13 that air-blast device comprises air blast 12 and is communicated with the delivery outlet of air blast, mutually isolated upper air duct 14 and lower air duct 15 is provided with in wind conveying pipe, upper air duct communicates with ipper air chamber, lower air duct communicates with lower air chamber.
During concrete enforcement, be provided with division board in wind conveying pipe, thus the inner chamber of wind conveying pipe is divided into upper air duct and lower air duct, the cross section of wind conveying pipe can be rectangle, and the sidewall that wind conveying pipe is each passed through box body is with dividing plate and be communicated with air compartment.During concrete use, fuel is delivered in fuel bath through fuel area density machine, along with fuel is constantly input to fuel bath, fuel moves up in fuel bath, and fuel ignites on the top of fuel bath and burning zone, after air-blast device starts, the burning things which may cause a fire disaster being positioned at fire grate top burns downwards gradually, the fresh fuel that bottom is moved, under the high-temperature baking effect of top burning zone, progressively completes and gives heated drying, retort process.The fuel gas volatilized in retort process, by being burnt substantially completely during burning zone in uphill process, thus to achieve in burner hearth high temperature without black smoke.The coke that burning produces burns further (reduction) on the horizontal fire grate of fire grate, until after-flame, the lime-ash of generation continues by roasting slag, and the charcoal in lime-ash was turned in ashcan by the complete afterburnt.So far the burning overall process of drying, destructive distillation, oxidation, reduction is completed.Because air compartment is separated into ipper air chamber and lower air chamber, therefore, air-blast device carries the wind energy of coming to be transported to fire grate top and fire grate bottom enough respectively, thus carry out combustion-supporting to the fuel in fire grate top and fire grate bottom respectively, if do not arrange ipper air chamber and lower air chamber, because the fuel on fire grate top is little compared with the fuel density of fire grate bottom, the wind major part that air-blast device produces can be discharged combustion-supporting by fire grate top surrounding, the fuel be positioned in the middle part of fire grate is not easy to ventilate, therefore in stove, the fuel combustion of upper surface is uneven, easily produces black smoke.Incendivity fine coal and biological particles material or rice husk etc., under the condition of not additional deduster, during normal operation, flue gas blackness is Ringelman 0-1 level, and dust exhausting concentration, can fuel saving about 20% at about 200 milligrams/cubic metre.
As preferably, backfire formula combustor is raised under of the present invention, fuel area density machine is conveying worm, and conveying worm comprises feeding tube 16 and to be arranged in feeding tube and the screw auger 17 be connected with transmission device, feeding tube is provided with the conveying bucket 18 communicated with the inner chamber of feeding tube.
As preferably, backfire formula combustor is raised under of the present invention, the medial surface of the sidewall of box body is in vertically arranging, the lateral surface of fire grate is inclined to set, and be separated by feeding tube between the bottom surface of fire grate and the bottom surface of box body, fuel bath is the rectangle reverse taper extending to the bottom surface of fire grate from the end face of fire grate, and fire grate is also provided with ring side of baffle plate side ring 19, one end of baffle plate Fang Huan is fixedly installed on fire grate, the other end of baffle plate Fang Huan contacts with the bottom surface of box body, and baffle plate Fang Huan is arranged accordingly with the output of fuel area density machine, distance is left between two feeding tubes, and there is v-shaped cavity to communicate with lower air chamber.
As preferably, under of the present invention, raise backfire formula combustor, box side wall is provided with two ash releasing tubes, 20, two ash releasing tubes and communicates with box body inner chamber, baffle plate side's ring inner chamber respectively.
As preferably, raise backfire formula combustor under of the present invention, the opening part of box body is provided with flange 21, and the top of fire grate is provided with connecting plate 22, and connecting plate is arranged on the flange of box body.
As preferably, raise backfire formula combustor under of the present invention, the equipped at outlet port of air blast is provided with air register 23.
As preferably, raise backfire formula combustor under of the present invention, the number of fuel bath, fuel area density machine is respectively two, and the output of two fuel area density machines is separately positioned in corresponding fuel bath.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (7)
1. raise backfire formula combustor under one kind, it is characterized in that: comprise box body, fire grate is provided with in described box body, the middle part of described fire grate is provided with fuel bath, space between the lateral surface of fire grate and the medial surface of box body forms air compartment, described air compartment communicates with fire grate, the dividing plate of ring-type is also provided with in described box body, the upper surface of described dividing plate contacts with the lateral surface of fire grate, the part being positioned at dividing plate top face of described fire grate is fire grate top, the part be positioned at below dividing plate end face of fire grate is fire grate bottom, air compartment is divided into ipper air chamber and lower air chamber by described dividing plate, described ipper air chamber communicates with fire grate top, described lower air chamber communicates with fire grate bottom, raise backfire formula combustor under described and also comprise fuel area density machine and air-blast device, the output of described fuel area density machine is each passed through the sidewall of box body and dividing plate and stretches in fuel bath, the wind conveying pipe that described air-blast device comprises air blast and is communicated with the delivery outlet of air blast, mutually isolated upper air duct and lower air duct is provided with in described wind conveying pipe, described upper air duct communicates with ipper air chamber, described lower air duct communicates with lower air chamber.
2. under according to claim 1, raise backfire formula combustor, it is characterized in that: described fuel area density machine is conveying worm, described conveying worm comprises feeding tube and to be arranged in feeding tube and the screw auger be connected with transmission device, described feeding tube is provided with the conveying bucket communicated with the inner chamber of feeding tube.
3. under according to claim 1, raise backfire formula combustor, it is characterized in that: the medial surface of the sidewall of described box body is in vertically arranging, the lateral surface of described fire grate is inclined to set, and be separated by feeding tube between the bottom surface of fire grate and the bottom surface of box body, described fuel bath is the rectangle reverse taper extending to the bottom surface of fire grate from the end face of fire grate, and fire grate is also provided with baffle plate Fang Huan, one end of described baffle plate Fang Huan is fixedly installed on fire grate, the other end of baffle plate Fang Huan and the bottom surface of box body constitute lower air chamber, and baffle plate Fang Huan is arranged accordingly with the output of fuel area density machine.
4. raise backfire formula combustor under according to claim 3, it is characterized in that: described box side wall is provided with two ash releasing tubes, described two ash releasing tubes communicate with the inner chamber of box body inner chamber, baffle plate Fang Huan respectively.
5. raise backfire formula combustor under according to claim 1, it is characterized in that: the opening part of described box body is provided with flange, the top of described fire grate is provided with connecting plate, and described connecting plate is arranged on the flange of box body.
6. raise backfire formula combustor under according to claim 1, it is characterized in that: the equipped at outlet port of described air blast is provided with air register, described air register is arranged on place of ipper air chamber.
7. under according to claim 1, raise backfire formula combustor, it is characterized in that: the number of described fuel bath, fuel area density machine is respectively two, and the output of two fuel area density machines is separately positioned in corresponding fuel bath, between two feeding tubes, there is certain distance, and the part between two feeding tubes of fire grate is provided with v-shaped cavity, and described v-shaped cavity communicates with lower air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008249.6A CN105485663A (en) | 2016-01-07 | 2016-01-07 | Underfeed and reverse-burning type burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008249.6A CN105485663A (en) | 2016-01-07 | 2016-01-07 | Underfeed and reverse-burning type burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105485663A true CN105485663A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610008249.6A Pending CN105485663A (en) | 2016-01-07 | 2016-01-07 | Underfeed and reverse-burning type burner |
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| Country | Link |
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| CN (1) | CN105485663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539548A (en) * | 2018-11-14 | 2019-03-29 | 江苏金满穗农业发展有限公司 | One kind is spurted the husk hot-blast stove that burns |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006078072A (en) * | 2004-09-08 | 2006-03-23 | Mdn:Kk | Granular matter carrying mechanism and combustion device provided therewith |
| CN201539852U (en) * | 2009-12-16 | 2010-08-04 | 刘宇翔 | Underfeed smoke abatement, dust removing and desulfuration integrated boiler |
| CN203349261U (en) * | 2013-03-29 | 2013-12-18 | 温岭市蓝宝精灵锅炉有限公司 | Biomass burning device |
| CN205480951U (en) * | 2016-01-07 | 2016-08-17 | 山东双力现代农业装备有限公司 | Under raise backfire formula combustor |
-
2016
- 2016-01-07 CN CN201610008249.6A patent/CN105485663A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006078072A (en) * | 2004-09-08 | 2006-03-23 | Mdn:Kk | Granular matter carrying mechanism and combustion device provided therewith |
| CN201539852U (en) * | 2009-12-16 | 2010-08-04 | 刘宇翔 | Underfeed smoke abatement, dust removing and desulfuration integrated boiler |
| CN203349261U (en) * | 2013-03-29 | 2013-12-18 | 温岭市蓝宝精灵锅炉有限公司 | Biomass burning device |
| CN205480951U (en) * | 2016-01-07 | 2016-08-17 | 山东双力现代农业装备有限公司 | Under raise backfire formula combustor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539548A (en) * | 2018-11-14 | 2019-03-29 | 江苏金满穗农业发展有限公司 | One kind is spurted the husk hot-blast stove that burns |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |