CN104830361B - Rotary drying furnace with dedusting function - Google Patents
Rotary drying furnace with dedusting function Download PDFInfo
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- CN104830361B CN104830361B CN201510212777.9A CN201510212777A CN104830361B CN 104830361 B CN104830361 B CN 104830361B CN 201510212777 A CN201510212777 A CN 201510212777A CN 104830361 B CN104830361 B CN 104830361B
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- rotating cylinder
- dedusting
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- internals
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Abstract
A rotary drying furnace with a dedusting function comprises a rotary cylinder (5), a material feeding box (3) arranged on the front end of the rotary cylinder (5), and a material discharging box (6) arranged on the rear end of the rotary cylinder (5); the material feeding box (3) is provided with a material feeding device (1) and a flue gas inlet (2); the material discharge box (6) is provided with a material discharging opening and a flue gas outlet (7); the rear end in the rotary cylinder (5) is provided with a dedusting internal member (13), which comprises a spiral plate (10), material lifting plates (9), a material receiving plate (12), and a cross-shaped support (11); the spiral plate (10) and the material lifting plate (9) are arranged on the internal wall of the rotary cylinder (5), the material lifting plates (9) are evenly arranged on the circumference of the rotary cylinder (5), the cross-shaped support (11) is arranged on the internal wall of the rotary cylinder (5), and the material receiving plate (12) that cooperates with the material lifting plate (9) is fixed on the cross-shaped support. The provided rotary drying furnace can dry coal and removes the dust at the same time.
Description
Technical field
The present invention relates to a kind of rotary drying stove, specifically a kind of rotary drying stove for possessing dedusting function, belong to coalification
Work technical field.
Background technology
Coal is most uncleanly resource in the three macrofossil energy, and its discharge intensity for developing process is natural gas
2 times, than oil 30% is higher by.National correlation report shows, in the PM2.5 that coal is produced, about 6 one-tenth are directly burnt product by coal
Raw, about 4 one-tenth is the key industry discharge used with coal, and by the method for improving quality of coal by pyrolysis high value added product is produced
It is effective way that is clean, efficiently utilizing coal resources.
At present the domestic equipment for improving quality of coal by pyrolysis is mainly vertical retort, but vertical retort can only be used
The lump coal of 30～80mm, and the calorific value of gas for generating is low, and the tar for producing cannot function as industrial chemicals and use, thus it is domestic
Big measuring mechanism starts to carry out improving quality of coal by pyrolysis using rotary furnace equipment, and the technique can process the lump coal of below 30mm, and oil-producing
Rate and factor of created gase are high, and with good prospect, the know-why of the technique is that feed coal is introduced into rotary drying stove and is dried
Moisture content in coal is sloughed, then dried coal enters revolution pyrolysis oven and carries out pyrolytic reaction, react the tar gas and coal gas for producing
Derived by wireway and separated, the semicoke of generation carries out cooling quenching into coke quenching device.
But at present improving quality of coal by pyrolysis rotary furnace also has an insoluble problem, i.e. dust problem in running,
Due to containing a large amount of fine coal, and the gyroscopic characteristics of rotary furnace in raw material, there is a certain amount of dust in rotary furnace, these powder
The dirt reacting gas larger with viscosity is mixed, and easily blocks the rotary furnace air guide mouth of pipe, and is caused in tar and coal gas
Dust content it is higher, cause subsequent technique process difficulty.
The content of the invention
For the problem that above-mentioned prior art is present, the present invention provides a kind of rotary drying stove for possessing dedusting function, should
Equipment to feed coal when being dried, while dedusting can be carried out.
To achieve these goals, the present invention provides a kind of rotary drying stove for possessing dedusting function, including rotating cylinder
And be arranged on the material feeding box of rotating cylinder front end, be arranged on the feed box of rotating cylinder rear end, be provided with material feeding box into
Material device and gas approach；Discharging opening and exhanst gas outlet are provided with feed box；Rear end inside rotating cylinder is provided with removes
Dirt internals, the dedusting internals include spiral plate, lifting blade, splicing plate, cross frame, and spiral plate and lifting blade are arranged on revolution
On the inwall of cylinder, lifting blade is arranged on the inwall of rotating cylinder along rotating cylinder circumference uniform distribution, cross frame, with lifting blade
The splicing plate being engaged is fixed on cross frame.
As a further improvement on the present invention, the quantity of the cross frame according to the installation length of dedusting internals determine,
The spacing of adjacent cross frame is less than 2 meters.
As a further improvement on the present invention, the dedusting internals are less than 1 meter with the distance of feed box.
As a further improvement on the present invention, the installation length of dedusting internals is 2～5 meters, and the splicing plate is along revolving drum
The axial length of body is not more than the installation length of dedusting internals.
As a further improvement on the present invention, the quantity of the splicing plate is four, is separately positioned on the four of cross frame
On individual support arm.
The present invention makes feed coal in the dry run of rotating cylinder by increased dedusting internals inside rotating cylinder
In, while having carried out dedusting, greatly reduce the dustiness of the moisture-free coal into revolution pyrolysis oven, it is therefore prevented that follow-up equipment and pipe
The situation of road blocking occurs, and improves the quality of pyrolysis product, and the dedusting method is simple, without the need for being separately provided cleaner, section
About equipment investment, reduces Productive statistics, improves the reliability of technological process.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the A-A of Fig. 1 to sectional view.
In figure：1st, feed arrangement, 2, gas approach, 3, material feeding box, 4, dynamic and static sealing device, 5, rotating cylinder, 6, discharging
Case, 7, exhanst gas outlet, 8, discharging opening, 9, lifting blade, 10, spiral plate, 11, cross frame, 12, splicing plate, 13, dedusting internals.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
As shown in Figure 1 to Figure 2, a kind of rotary drying stove for possessing dedusting function, including rotating cylinder 5 and it is arranged on back
The material feeding box 3 of the front end of drum body 5, is arranged on the feed box 6 of the rear end of rotating cylinder 5, and feed arrangement 1 is provided with material feeding box 3
With gas approach 2；Discharging opening 8 and exhanst gas outlet 7 are provided with feed box 6；Rear end inside rotating cylinder 5 is provided with dedusting
Internals 13, the dedusting internals 13 include spiral plate 10, lifting blade 9, splicing plate 12, cross frame 11, spiral plate 10 and lifting
Plate 9 is arranged on the inwall of rotating cylinder 5, and lifting blade 9 is arranged on revolving drum along the circumference uniform distribution of rotating cylinder 5, cross frame 11
On the inwall of body 5, the splicing plate 12 being engaged with lifting blade 9 is fixed on cross frame 11.
The quantity of cross frame 11 determines that the spacing of adjacent cross frame 11 does not surpass according to the installation length of dedusting internals 13
Cross 2 meters.
Preferably, dedusting internals 13 are less than 1 meter with the distance of feed box 6, can so significantly improve dust removing effects.
Splicing plate 12 is less than or equal to the installation length of dedusting internals along the axial length of rotating cylinder 5, dedusting internals 13
Installation length is to take 2～5 meters.
Because rotating cylinder 5 is rotation, and material feeding box 3 and feed box 6 are static, in rotating cylinder 5 and material feeding box 3
And dynamic and static sealing device 4 is respectively arranged between rotating cylinder 5 and feed box 6, in case leak-stopping wind.Dynamic and static sealing device 4 is by setting
Put the two ends of rotating cylinder 5 dynamic seal ring and be separately positioned on being engaged with dynamic seal ring on material feeding box 3 and feed box 6
Static sealing ring composition.
Rotating cylinder 5 is the core of rotary drying deduster, is that feed coal is dried space with dedusting, revolution
Cylinder 5 is inclined to be installed, and in the rotary course of rotating cylinder 5, feed coal is moved from the front end of rotary drying deduster to feed box 6
Dynamic, feed coal carries out cocurrent heat exchange by flue gas in moving process to feed coal, makes feed coal slough moisture content.
Feed arrangement 1 can be using screw feeder or elephant trunk, it is ensured that cutting stock precision, improve production efficiency, and just
In installation.
The quantity of splicing plate 12 is four, is separately positioned on four support arms of cross frame 11.
The quantity of spiral plate 10 is some circles.
The feed arrangement 1 of the present invention is used for the charging of feed coal, and flue gas enters rotary drying deduster by gas approach 2
Inside, in the rotary course of rotating cylinder 5, feed coal is moved from the front end of rotary drying deduster to feed box 6, and feed coal exists
In moving process, cocurrent heat exchange is carried out to feed coal by flue gas, make feed coal slough moisture content, feed coal is moved in rotating cylinder 5
Gradually it is dried during dynamic, when feed coal moves to the rear end of rotating cylinder 5, because spiral plate 10 is deposited in dedusting internals 13
, flue gas flow rate quickening, and feed coal is raised certain altitude by lifting blade 9, feed coal fully connects in dropping process with flue gas
Touch, and flow velocity faster flue gas by feed coal fine solid particle remove, due to the presence of splicing plate 12, it is therefore prevented that feed coal is straight
Connect on rotating cylinder 5 and crush, the coal after dry and dedusting is discharged from discharging opening 8, and the flue gas after being exchanged heat with coal is taken
Band fine solid particle is derived from exhanst gas outlet 7, greatly reduces the dustiness of the moisture-free coal into revolution pyrolysis oven, it is therefore prevented that follow-up
Equipment and the situation of line clogging occur, and improve the quality of pyrolysis product.
Claims (5)
1. a kind of rotary drying stove for possessing dedusting function, including rotating cylinder（5）And it is arranged on rotating cylinder（5）Front end
Material feeding box（3）, it is arranged on rotating cylinder（5）The feed box of rear end（6）, in material feeding box（3）On be provided with feed arrangement（1）And cigarette
Gas import（2）；In feed box（6）On be provided with discharging opening（8）And exhanst gas outlet（7）；Characterized in that, in rotating cylinder（5）
Internal rear end is provided with dedusting internals（13）, the dedusting internals（13）Including spiral plate（10）, lifting blade（9）, splicing plate
（12）, cross frame（11）, spiral plate（10）And lifting blade（9）It is arranged on rotating cylinder（5）Inwall on, lifting blade（9）Edge
Rotating cylinder（5）Circumference uniform distribution, cross frame（11）It is arranged on rotating cylinder（5）Inwall on, with lifting blade（9）It is engaged
Splicing plate（12）It is fixed on cross frame（11）On；In rotating cylinder（5）With material feeding box（3）And rotating cylinder（5）With feed box
（6）Between be respectively arranged with dynamic and static sealing device（4）, dynamic and static sealing device（4）By being arranged on rotating cylinder（5）Two ends it is dynamic close
Seal and it is separately positioned on material feeding box（3）And feed box（6）On be engaged with dynamic seal ring static sealing ring composition；Revolution
Cylinder（5）Incline and install, in rotating cylinder（5）In rotary course, feed coal is from the front end of rotary drying stove to feed box（6）Move
Dynamic, feed coal carries out cocurrent heat exchange by flue gas in moving process to feed coal, makes feed coal slough moisture content；Feed arrangement（1）
Can be using screw feeder or elephant trunk.
2. a kind of rotary drying stove for possessing dedusting function according to claim 1, it is characterised in that the cross-shaped
Frame（11）Quantity according to dedusting internals（13）Installation length determine, adjacent cross frame（11）Spacing be less than 2 meters.
3. a kind of rotary drying stove for possessing dedusting function according to claim 1 or 2, it is characterised in that the dedusting
Internals（13）With feed box（6）Distance be less than 1 meter.
4. a kind of rotary drying stove for possessing dedusting function according to claim 1 or 2, it is characterised in that dedusting internals
（13）Installation length be 2～5 meters, the splicing plate（12）Along rotating cylinder（5）Axial length be not more than dedusting internals
（13）Installation length.
5. a kind of rotary drying stove for possessing dedusting function according to claim 3, it is characterised in that the splicing plate
（12）Quantity be four, be separately positioned on cross frame（11）Four support arms on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212777.9A CN104830361B (en) | 2015-04-29 | 2015-04-29 | Rotary drying furnace with dedusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212777.9A CN104830361B (en) | 2015-04-29 | 2015-04-29 | Rotary drying furnace with dedusting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104830361A CN104830361A (en) | 2015-08-12 |
| CN104830361B true CN104830361B (en) | 2017-05-10 |
Family
ID=53808567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510212777.9A Active CN104830361B (en) | 2015-04-29 | 2015-04-29 | Rotary drying furnace with dedusting function |
Country Status (1)
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2059729U (en) * | 1989-05-24 | 1990-07-25 | 煤炭科学研究总院唐山分院 | Drum dryer with cleaner |
| DE10240249B3 (en) * | 2002-08-31 | 2004-02-26 | Enerco Bv | System for drying and processing pourable mineral material comprises a rotating drum with built-in components, a combustion device, a ventilator, a venturi assembly, and a bypass for conveying air |
| CN201246942Y (en) * | 2008-08-06 | 2009-05-27 | 江苏科行环境工程技术有限公司 | Rotary type drying machine suitable for high moisture material |
| CN102292610B (en) * | 2009-01-23 | 2014-05-14 | 月岛机械株式会社 | Horizontal rotary drying machine |
| CN201488519U (en) * | 2009-09-01 | 2010-05-26 | 大唐国际化工技术研究院有限公司 | Drum body of rotary drum dryer |
| CN204589077U (en) * | 2015-04-29 | 2015-08-26 | 徐州曹氏化工机械制造有限公司 | Possesses the rotary drying stove of dedusting function |
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2015
- 2015-04-29 CN CN201510212777.9A patent/CN104830361B/en active Active
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| CN104830361A (en) | 2015-08-12 |
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Denomination of invention: Rotary drying furnace with dust removal function Effective date of registration: 20211227 Granted publication date: 20170510 Pledgee: Bank of Nanjing Co.,Ltd. Xuzhou Branch Pledgor: XUZHOU CAOS CHEMICAL MACHINERY MANUFACTURING CO.,LTD. Registration number: Y2021980016436 |
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