CN104406187A - Supply device of pulverized coal burner - Google Patents
Supply device of pulverized coal burner Download PDFInfo
- Publication number
- CN104406187A CN104406187A CN201410612591.8A CN201410612591A CN104406187A CN 104406187 A CN104406187 A CN 104406187A CN 201410612591 A CN201410612591 A CN 201410612591A CN 104406187 A CN104406187 A CN 104406187A
- Authority
- CN
- China
- Prior art keywords
- aditus laryngis
- batch
- pipe box
- center drum
- spiral
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000002817 coal dust Substances 0.000 claims description 14
- 238000010079 rubber tapping Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
The invention discloses a supply device of a pulverized coal burner, and relates to a pulverized coal supply device of the pulverized coal burner. The pulverized coal supply device consists of a spiral air supply assembly and a material feeding tank, wherein the spiral air supply assembly consists of a center cylinder, a spiral flow guide rib plate and a pipe sleeve, the spiral flow guide rib plate is connected to the outer wall of the lower part of the center cylinder, the pipe sleeve is arranged at the periphery of the upper part of the center cylinder, the upper end of the pipe sleeve is sealed, a space between the pipe sleeve and the wall of the center cylinder forms an air chamber, a material taking chamber is formed by the inner space of the material feeding tank, a throat opening is arranged in the upper part of the material feeding tank, and is of a circular straight pipe structure, the throat opening is connected to the upper end of the material feeding tank through a reducing conical pipe, the lower part of the center cylinder extends into the circular straight pipe structure of the throat opening, a space between the center cylinder and the wall of the throat opening forms an eddy forming passage, and the air chamber is communicated to the material taking chamber through the eddy forming passage. The pulverized coal supply device has the advantages that the material taking, mixing and conveying processes are completed at one time; the structure is simple, the number of running steps is fewer, the production efficiency is improved, and the production cost is reduced.
Description
Technical field
The present invention relates to coal-dust combustion device, particularly relate to the wind powder feeding device of coal burner.
Background technology
Coal burner has burning completely, and heat utilization efficiency is high, smoke abatement and dust control, energy-efficient, improves working conditions, and the advantage such as reduce labor intensity.Plasma powdered-coal burner is that the high temperature plasma flame produced by plasma generator carrys out firing coal-dust, belong to internal combustion shaped burner, pulverized coal particle is discharged fuel gas by instantaneous ignition in burner, and primary wind and powder flame under the effect of burner amplifies step by step and sprays combustion and enters in the burner hearth of boiler.Plasma igniting system be applied in thermal power plant boiler igniting time, its consumption costs only has 1/4th of oil-firing system, once light a fire run duration can save about ten million yuan of expense.
Needing the mixing of supporting wind powder, induction system when coal burner runs, there is the shortcoming that link too much affects efficiency in existing wind powder mixing, induction system.
Summary of the invention
The object of the invention is to overcome the mixing of existing wind powder, induction system exists the shortcoming that link too much affects efficiency, the charging gear of the coal burner that a kind of structure is simple, link is few and efficiency is high is provided, enhances productivity and save production cost.
The charging gear of a kind of coal burner of the present invention, it is characterized in that charging gear forms by spiral air feed assembly with to batch can (7), wherein, spiral air feed assembly is made up of center drum (1-4), spiral stream guidance floor (1-5) and pipe box (1-2), spiral stream guidance floor (1-5) is connected on the cylinder body outer wall of center drum (1-4) bottom, pipe box (1-2) is arranged on the periphery on center drum (1-4) top, the upper end closed of pipe box (1-2), the space between pipe box (1-2) and center drum (1-4) wall body forms air compartment (2), be drum-shaped structure to batch can (7), have aditus laryngis (7-2) to the top of batch can (7), aditus laryngis (7-2) is circular straighttube structure, and aditus laryngis (7-2) is connected to the upper end of batch can (7) by reducing conical tube, the lower end of pipe box (1-2) is connected to the upper end of aditus laryngis (7-2), the below of center drum (1-4) extend among the circular straighttube structure of aditus laryngis (7-2), spiral stream guidance floor (1-5) is in the space between center drum (1-4) and aditus laryngis (7-2) wall body, space between center drum (1-4) and aditus laryngis (7-2) wall body forms eddy flow and forms passage (4), material extracting chamber (8) is formed to the interior space of batch can (7), the interior space of center drum (1-4) forms tapping channel (3), air compartment (2) forms passage (4) by eddy flow and is communicated to material extracting chamber (8), material extracting chamber (8) is directly communicated to tapping channel (3), the upper end of tapping channel (3) has discharging interface (1-1) to pick out.In the present invention, mounting flange (7-3) is had in the upper end of aditus laryngis (7-2), adpting flange (1-6) is had in the lower end of pipe box (1-2), the adpting flange (1-6) of pipe box (1-2) lower end and the mounting flange (7-3) of aditus laryngis (7-2) upper end are connected, and have sealing gasket (9) between adpting flange (1-6) and mounting flange (7-3); Air intake interface (1-3) is had to access in the side of air compartment (2); The wall body giving batch can (7) side there is coal dust input interface (7-1) to access.
The present invention is as one of the corollary equipment of coal burner, and during work, coal dust enters into in batch can (7) from input interface (7-1), forms material extracting chamber (8) to the interior space of batch can (7), the air feed of compressed air or blower fan enters into air compartment (2) from air intake interface (1-3), then form passage (4) by eddy flow to become spiral air flow and enter into material extracting chamber (8), coal dust in material extracting chamber (8) is started by spiral air flow and fully mixes with air, along with entering of spiral air flow, material extracting chamber just has pressure in (8), pressure in material extracting chamber (8) has the kinetic energy that the wind powder mixture (5) of air and coal dust is sent, so, wind powder mixture (5) is directly sent into coal burner by the tapping channel (3) in center drum (1-4) and is burnt.
In above-mentioned invention, transfer feed bin is become to the material extracting chamber (8) in batch can (7), spiral stream guidance floor (1-5) makes the air feed of compressed air or blower fan become spiral air flow (6), spiral air flow (6) directly enters transfer feed bin and starts coal dust and fully mix with air, and wind powder mixture (5) directly enters coal burner and burns.The wind energy that the present invention provides by means of only an air compressor or blower fan, once completes feeding, mixing and course of conveying, and therefore, the present invention has the advantages that structure is simple, operation link is few and efficiency is high.
The invention has the beneficial effects as follows: the wind energy that the present invention provides by means of only an air compressor or blower fan, once complete feeding, mixing and course of conveying, structure is simple, operation link is few, enhances productivity and saves production cost.
Accompanying drawing explanation
Accompanying drawing 1 is the charging gear structure chart of a kind of coal burner of the present invention.
In figure: 1. spiral air feed assembly, 1-1. discharging interface, the pipe box of 1-2. air compartment, 1-3. air intake interface, 1-4. center drum, 1-5. spiral stream guidance floor, 1-6. adpting flange, 2. air compartment, 3. tapping channel, 4. eddy flow forms passage, 5. wind powder mixture, 6. spiral air flow, 7. give batch can, 7-1. coal dust input interface, 7-2. aditus laryngis, 7-3. mounting flange, 8. material extracting chamber, 9. sealing gasket, 10. connecting bolt.
Detailed description of the invention
embodimentin embodiment shown in accompanying drawing 1, a kind of charging gear of coal burner is by spiral air feed assembly and form to batch can (7), wherein, spiral air feed assembly is by center drum (1-4), spiral stream guidance floor (1-5) and pipe box (1-2) are formed, spiral stream guidance floor (1-5) is connected on the cylinder body outer wall of center drum (1-4) bottom, pipe box (1-2) is arranged on the periphery on center drum (1-4) top, the upper end closed of pipe box (1-2), space between pipe box (1-2) and center drum (1-4) wall body forms air compartment (2), air intake interface (1-3) is had to access in the side of air compartment (2), be drum-shaped structure to batch can (7), the wall body giving batch can (7) side there is coal dust input interface (7-1) to access, aditus laryngis (7-2) is had to the top of batch can (7), aditus laryngis (7-2) is circular straighttube structure, and aditus laryngis (7-2) is connected to the upper end of batch can (7) by reducing conical tube, the lower end of pipe box (1-2) is connected to the upper end of aditus laryngis (7-2), the below of center drum (1-4) extend among the circular straighttube structure of aditus laryngis (7-2), spiral stream guidance floor (1-5) is in the space between center drum (1-4) and aditus laryngis (7-2) wall body, space between center drum (1-4) and aditus laryngis (7-2) wall body forms eddy flow and forms passage (4), material extracting chamber (8) is formed to the interior space of batch can (7), the interior space of center drum (1-4) forms tapping channel (3), air compartment (2) forms passage (4) by eddy flow and is communicated to material extracting chamber (8), material extracting chamber (8) is directly communicated to tapping channel (3), the upper end of tapping channel (3) has discharging interface (1-1) to pick out.In the present embodiment, mounting flange (7-3) is had in the upper end of aditus laryngis (7-2), adpting flange (1-6) is had in the lower end of pipe box (1-2), the adpting flange (1-6) of pipe box (1-2) lower end and the mounting flange (7-3) of aditus laryngis (7-2) upper end are connected, and have sealing gasket (9) between adpting flange (1-6) and mounting flange (7-3).The present embodiment is as one of the corollary equipment of coal burner, and during work, coal dust enters into in batch can (7) from input interface (7-1), forms material extracting chamber (8) to the interior space of batch can (7), the air feed of compressed air or blower fan enters into air compartment (2) from air intake interface (1-3), then form passage (4) by eddy flow to become spiral air flow and enter into material extracting chamber (8), coal dust in material extracting chamber (8) is started by spiral air flow and fully mixes with air, along with entering of spiral air flow, material extracting chamber just has pressure in (8), pressure in material extracting chamber (8) has the kinetic energy that the wind powder mixture (5) of air and coal dust is sent, so, wind powder mixture (5) is directly sent into coal burner by the tapping channel (3) in center drum (1-4) and is burnt.The present embodiment utilizes spiral stream guidance floor (1-5) to make the air feed of compressed air or blower fan become spiral air flow (6), spiral air flow (6) directly enters transfer feed bin and starts coal dust and fully mix with air, wind powder mixture (5) directly enters coal burner and burns, and once completes feeding, mixing and course of conveying.
Claims (4)
1. the charging gear of a coal burner, it is characterized in that charging gear forms by spiral air feed assembly with to batch can (7), wherein, spiral air feed assembly is made up of center drum (1-4), spiral stream guidance floor (1-5) and pipe box (1-2), spiral stream guidance floor (1-5) is connected on the cylinder body outer wall of center drum (1-4) bottom, pipe box (1-2) is arranged on the periphery on center drum (1-4) top, the upper end closed of pipe box (1-2), the space between pipe box (1-2) and center drum (1-4) wall body forms air compartment (2), be drum-shaped structure to batch can (7), have aditus laryngis (7-2) to the top of batch can (7), aditus laryngis (7-2) is circular straighttube structure, and aditus laryngis (7-2) is connected to the upper end of batch can (7) by reducing conical tube, the lower end of pipe box (1-2) is connected to the upper end of aditus laryngis (7-2), the below of center drum (1-4) extend among the circular straighttube structure of aditus laryngis (7-2), spiral stream guidance floor (1-5) is in the space between center drum (1-4) and aditus laryngis (7-2) wall body, space between center drum (1-4) and aditus laryngis (7-2) wall body forms eddy flow and forms passage (4), material extracting chamber (8) is formed to the interior space of batch can (7), the interior space of center drum (1-4) forms tapping channel (3), air compartment (2) forms passage (4) by eddy flow and is communicated to material extracting chamber (8), material extracting chamber (8) is directly communicated to tapping channel (3), the upper end of tapping channel (3) has discharging interface (1-1) to pick out.
2. the charging gear of a kind of coal burner according to claim 1, it is characterized in that there is mounting flange (7-3) in the upper end of aditus laryngis (7-2), adpting flange (1-6) is had in the lower end of pipe box (1-2), the adpting flange (1-6) of pipe box (1-2) lower end and the mounting flange (7-3) of aditus laryngis (7-2) upper end are connected, and have sealing gasket (9) between adpting flange (1-6) and mounting flange (7-3).
3. the charging gear of a kind of coal burner according to claim 1, is characterized in that having air intake interface (1-3) to access in the side of air compartment (2).
4. the charging gear of a kind of coal burner according to claim 1, is characterized in that having coal dust input interface (7-1) to access on the wall body of batch can (7) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612591.8A CN104406187B (en) | 2014-11-05 | 2014-11-05 | A kind of charging gear of coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612591.8A CN104406187B (en) | 2014-11-05 | 2014-11-05 | A kind of charging gear of coal burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104406187A true CN104406187A (en) | 2015-03-11 |
| CN104406187B CN104406187B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410612591.8A Active CN104406187B (en) | 2014-11-05 | 2014-11-05 | A kind of charging gear of coal burner |
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| Country | Link |
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| CN (1) | CN104406187B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883396A (en) * | 2017-12-19 | 2018-04-06 | 上海齐耀热能工程有限公司 | Powder carry mixing arrangement and burner |
| CN113790462A (en) * | 2021-09-08 | 2021-12-14 | 煤科院节能技术有限公司 | Biomass powder fuel storage and supply device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5873469A (en) * | 1996-12-30 | 1999-02-23 | Kason Corporation | Vibrating screener |
| JP3586533B2 (en) * | 1997-03-10 | 2004-11-10 | 三菱重工業株式会社 | Powder supply device |
| KR20040099940A (en) * | 2003-05-20 | 2004-12-02 | 김종주 | buring activated system of supply for coal boiler |
| CN101576255A (en) * | 2009-06-10 | 2009-11-11 | 煤炭科学研究总院 | Pulverized coal burner |
| CN202328213U (en) * | 2011-11-23 | 2012-07-11 | 广东清华中邦热能科技有限公司 | Double-air-course spiral-flow pulverized coal burner |
| CN202392791U (en) * | 2011-12-25 | 2012-08-22 | 王玮 | Novel spiral pulverized coal combustion apparatus |
| CN202784851U (en) * | 2012-09-12 | 2013-03-13 | 刘华 | Powder conveying system |
| CN203249237U (en) * | 2013-02-26 | 2013-10-23 | 李延新 | Spiral-input type pulverized coal burner |
| CN103879781B (en) * | 2014-04-14 | 2017-01-18 | 重庆大学 | Rotary blowing type powder feeder |
| CN204176670U (en) * | 2014-11-05 | 2015-02-25 | 衢州迪升工业设计有限公司 | A kind of charging gear of coal burner |
-
2014
- 2014-11-05 CN CN201410612591.8A patent/CN104406187B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883396A (en) * | 2017-12-19 | 2018-04-06 | 上海齐耀热能工程有限公司 | Powder carry mixing arrangement and burner |
| CN113790462A (en) * | 2021-09-08 | 2021-12-14 | 煤科院节能技术有限公司 | Biomass powder fuel storage and supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104406187B (en) | 2016-08-24 |
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Effective date of registration: 20160720 Address after: Zhejiang province Quzhou City Kecheng District 324000 Kaixuan Road No. 6 (WITHUB industrial design Industrial Park Building 2, room B-302) Applicant after: QUZHOU YUNRUI INDUSTRIAL DESIGN Co.,Ltd. Address before: 324000 Quzhou City, garden city, the former Village No. 164 (Green Industrial Zone) Applicant before: QUZHOU DISHENG INDUSTRIAL DESIGN Co.,Ltd. |
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Effective date of registration: 20181017 Address after: 233010 409 Wu Wan Road, Yuhui District, Bengbu, Anhui Patentee after: BENGBU JINSHI NEW MATERIAL Co.,Ltd. Address before: 230031 B-1014, 10 floor, business office building, Wo Ye garden, Shushan District, Hefei, Anhui. Patentee before: HEFEI WISDOM LOTUT INTELLECTUAL PROPERTY Co.,Ltd. Effective date of registration: 20181017 Address after: 230031 B-1014, 10 floor, business office building, Wo Ye garden, Shushan District, Hefei, Anhui. Patentee after: HEFEI WISDOM LOTUT INTELLECTUAL PROPERTY Co.,Ltd. Address before: 324000 B-302, room 2, 6 triumph South Road, Kecheng District, Quzhou, Zhejiang. Patentee before: QUZHOU YUNRUI INDUSTRIAL DESIGN Co.,Ltd. |
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Effective date of registration: 20181128 Address after: 235000 Second Floor, 28 Huaihai Middle Road, Huaibei City, Anhui Province Patentee after: Huaibei Productivity Promotion Center Address before: 233010 409 Wu Wan Road, Yuhui District, Bengbu, Anhui Patentee before: BENGBU JINSHI NEW MATERIAL Co.,Ltd. |
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Effective date of registration: 20201127 Address after: No.146, fanguozhuang, Dayan community, Chengnan Street office, Linquan County, Fuyang City, Anhui Province Patentee after: Linquan County katianxia e-commerce Co.,Ltd. Address before: 235000 Second Floor, 28 Huaihai Middle Road, Huaibei City, Anhui Province Patentee before: Huaibei Productivity Promotion Center |