CN110425868A - A kind of rotary kiln Secondary Air air supply device - Google Patents
A kind of rotary kiln Secondary Air air supply device Download PDFInfo
- Publication number
- CN110425868A CN110425868A CN201910815100.2A CN201910815100A CN110425868A CN 110425868 A CN110425868 A CN 110425868A CN 201910815100 A CN201910815100 A CN 201910815100A CN 110425868 A CN110425868 A CN 110425868A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- filler
- annular seal
- plate
- ring packing
- 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
- 238000012856 packing Methods 0.000 claims abstract description 92
- 239000000945 filler Substances 0.000 claims description 81
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 210000002445 nipple Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 241000233855 Orchidaceae Species 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/36—Arrangements of air or gas supply devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The present invention relates to a kind of rotary kiln Secondary Air air supply devices, including ring packing cover, annular seal plate, air hose, packing seal structure one and packing seal structure two；Ring packing cover is fixedly arranged on cylinder of rotary kiln periphery, and one side is closed by annular seal plate；At least 2 groups of air hoses are circumferentially with along cylinder of rotary kiln, the both ends of air hose are respectively communicated with ring packing cover and cylinder of rotary kiln, when cylinder of rotary kiln rotates, air hose is rotated synchronously together with annular seal plate, it is sealed between ring packing cover and annular seal plate by packing seal structure one, is sealed between annular seal plate and main air hose by packing seal structure two.In the present invention, blower is separately positioned with rotary kiln, and blower air feed into the ring packing cover of fixed setting is rotatably coupled by annular seal plate and ring packing cover, realizes the purpose for supplying Secondary Air into rotary kiln from air hose；Present invention improves the working environments of blower, and can reduce equipment construction and operating cost.
Description
Technical field
The present invention relates to a kind of air supply device more particularly to a kind of rotary kiln Secondary Air air supply devices.
Background technique
In the middle and back of rotary kiln, supplement is carbon element rotary kiln and part of cement kiln for Secondary Air, the tertiary air of burning
Common heat power engineering.First air at carbon element rotary kiln kiln tail makes in kiln only for the air for being applied to fuel combustion in reproducibility
Or weak oxide atmosphere, avoid the carbon burning in raw material.The Secondary Air fed in the middle part of kiln is for combustion material in calcination process
The organic volatile matter released to improve kiln temperature, and avoids organic volatile matter from polluting atmosphere；In part of cement kiln, make
It with sectional combustion technology, on the one hand reduces kiln tail primary air flow and achievees the purpose that nitrogen oxides is inhibited to generate, while in the middle part of kiln
Supplement certain air consumption residual fuel.
Conventional overfire air device is rotated together by assembling on cylinder of rotary kiln and with cylinder, is supplied by slip ring
Denso is set to blower power supply, and in three-phase four-line system, every blower individually controlled is required to 4 slip rings and current-collector supplies
Electricity.Above scheme has two aspects: on the one hand, blower is outdoor to be arranged in kiln body, and the ring of blower and motor is caused
Border temperature is very high, is unfavorable for the use steady in a long-term of blower, also results in the difficulty on the repair and maintenance of blower；On the other hand, excellent
The reliable slip ring power supply device price of matter is very high, and needs to regularly replace, and significantly increases the construction and operating cost of engineering.
Summary of the invention
The present invention provides a kind of rotary kiln Secondary Air air supply devices, and blower is separately positioned with rotary kiln, and blower is to fixation
Air feed in the ring packing cover of setting, is rotatably coupled by annular seal plate and ring packing cover, realize from air hose to return
The purpose of supply Secondary Air in rotary kiln；Present invention improves the working environments of blower, improve the functional reliability of blower and make
With the service life, and equipment construction and operating cost can be reduced.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of rotary kiln Secondary Air air supply device, including ring packing cover, annular seal plate, air hose and packing seal knot
Structure；The ring packing cover is fixedly arranged on the periphery of cylinder of rotary kiln, is tangentially equipped with blast pipe, ring packing on ring packing cover
The cross section of cover is U-shaped, and open side is closed by annular seal plate；At least 2 groups of wind are circumferentially with along cylinder of rotary kiln
Pipe, every group of air hose are made of main air hose and branch's air hose, and ring packing is inserted into after passing through annular seal plate in one end of main air hose
In cover, the other end is arranged along the axially extending of cylinder of rotary kiln, branch's air hose perpendicular to main air hose, one end of branch's air hose and master
Air hose connection, the other end extend in cylinder of rotary kiln after passing radially through the outer wall of cylinder of rotary kiln；Cylinder of rotary kiln rotation
When, air hose is rotated synchronously together with annular seal plate, and annular seal plate opposed annular seal closure rotates, ring packing cover and annular
It is sealed between sealing plate by packing seal structure one, it is close by packing seal structure two between annular seal plate and main air hose
Envelope.
The ring packing cover is fixed on the basis of rotary kiln by support.
The outer end of the blast pipe is tried orchid and is connect with air supply duct, and the other end of air supply duct connects blower.
The main air hose is made of straight pipe and connection pipeline section, and the middle part of straight pipe and annular seal plate are tightly connected, directly
One end that pipeline section is located on the outside of ring packing cover is fixedly connected by flange with pipeline section is connect；Pipeline section is connected along cylinder of rotary kiln axis
To extension, it is spaced thereon and is equipped with multiple nipples side by side, nipple is fixedly connected with branch air hose by flange.
The packing seal structure one is by interior filler positioning plate, outer filler positioning plate, filler one, filler two, hold-down bolt
And locknut forms, and interior filler positioning plate, interior filler positioning plate and annular are set in the ring packing cover on the inside of annular seal plate
Seal closure is fixedly connected, and the periphery of interior filler positioning plate sets ring packing slot one, and filler one is set in ring packing slot one；Annular is close
Outer filler positioning plate is set in ring packing cover on the outside of sealing plate, the periphery of outer filler positioning plate sets ring packing slot two, and annular is filled out
Filler two is set in hopper two；Fixed ring flat-plate is set on the outside of annular seal plate, fixed ring flat-plate circumferentially opens up multiple bolts hole, bolt
Fixed locknut on the outside of hole, hold-down bolt pass through outside filler positioning plate, ring packing after corresponding locknut and bolt hole
Apply pressure on plate and interior filler positioning plate, under the effect of its pressure, filler two and the lateral surface of annular seal plate are adjacent to, filler
It is adjacent between one and the medial surface and ring packing cover of annular seal plate, realizes that the circumferential direction of annular seal plate and ring packing cover is close
Envelope.
The packing seal structure two is made of filling tube, filler, gland, and filling tube is sheathed on the straight tube of main air hose
Section is outer, and filler is filled in the annular space between filling tube and main air hose, and baffled rise to filler in one end of filling tube stops to make
With the other end is fixedly connected with annular seal plate, and through-hole is set on the close plate of annular, and gland is pressed on filler after passing through the through-hole
On, realize the sealing between main air hose and annular seal plate.
The filler one, filler two are graphite packing.
The filler is graphite packing.
Compared with prior art, the beneficial effects of the present invention are:
1) slip ring power supply device is not used, construction and operating cost are reduced；
2) blower may be arranged at interior, and far from rotary kiln, only be connect by pipeline with Secondary Air air supply device, greatly
The working environment for improving blower is conducive to the functional reliability and service life that improve blower；
3) blower is independently installed, and repair and maintenance is convenient.
Detailed description of the invention
Fig. 1 is a kind of main view of rotary kiln Secondary Air air supply device of the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the portion the B enlarged drawing in Fig. 2.
In figure: 1. ring packing cover, 2. cylinder of rotary kiln, 3. blast pipe, 4. support, 5. annular seal plate, 6. air hose
61. straight pipe 62. connects the outer filler positioning plate 10. of 8. filler of filler positioning plate 1 in 63. branch's air hose 7. of pipeline section
14. filler of filler 2 11. hold-down bolt, 12. locknut, 13. filling tube, 15. gland
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, a kind of rotary kiln Secondary Air air supply device of the present invention, including ring packing cover 1, annular
Sealing plate 5, air hose 6 and packing seal structure；The ring packing cover 1 is fixedly arranged on the periphery of cylinder of rotary kiln 2, ring packing cover
Blast pipe 3 is tangentially equipped on 1, the cross section of ring packing cover 1 is U-shaped, and open side passes through 5 envelope of annular seal plate
It closes；At least 2 groups of air hoses 6 are circumferentially with along cylinder of rotary kiln 2, every group of air hose 6 is made of main air hose and branch's air hose 63, main wind
One end of pipe is inserted into annular seal closure 1 after passing through annular seal plate 5, the other end axially extending, branch along cylinder of rotary kiln 2
Air hose 63 is arranged perpendicular to main air hose, and one end of branch's air hose 63 is connected to main air hose, and the other end passes radially through rotary kiln cylinder
It is extended to after the outer wall of body 2 in cylinder of rotary kiln 2；When cylinder of rotary kiln 2 rotates, air hose 6 turns together with annular seal plate 5 is synchronous
It is dynamic, and 5 opposed annular seal closure 1 of annular seal plate rotates, and passes through packing seal between ring packing cover 1 and annular seal plate 5
Structure one seals, and is sealed between annular seal plate 5 and main air hose by packing seal structure two.
The ring packing cover 1 is fixed on the basis of rotary kiln by support 4.
The outer end of the blast pipe 3 is tried orchid and is connect with air supply duct, and the other end of air supply duct connects blower.
The main air hose is made of straight pipe 61 and connection pipeline section 62, and the middle part of straight pipe 61 and annular seal plate 5 seal
Connection, one end that straight pipe 61 is located at 1 outside of ring packing cover are fixedly connected by flange with pipeline section 62 is connect；Connect pipeline section 62
It is axially extending along cylinder of rotary kiln 2, it is spaced thereon and is equipped with multiple nipples side by side, nipple and branch's air hose 63 pass through flange
It is fixedly connected.
The packing seal structure one is by interior filler positioning plate 7, outer filler positioning plate 9, filler 1, filler 2 10, compression
Bolt 11 and locknut 12 form, and set interior filler positioning plate 7 in the ring packing cover 1 of 5 inside of annular seal plate, interior filler is fixed
Position plate 7 is fixedly connected with ring packing cover 1, and the periphery of interior filler positioning plate 7 sets ring packing slot one, sets in ring packing slot one
Filler 1；Outer filler positioning plate 9 is set in the ring packing cover 1 in 5 outside of annular seal plate, the periphery of outer filler positioning plate 9 sets ring
Shape packing groove two sets filler 2 10 in ring packing slot two；The outside of annular seal plate 5 sets fixed ring flat-plate, and fixed ring flat-plate is along week
To multiple bolts hole, fixed locknut 12 on the outside of bolt hole are opened up, hold-down bolt 11 passes through corresponding locknut 12 and bolt
Apply pressure on outside filler positioning plate 9, annular seal plate 5 and interior filler positioning plate 7 behind hole, under the effect of its pressure, filler
2 10 are adjacent to the lateral surface of annular seal plate 5, paste between filler 1 and the medial surface and ring packing cover 1 of annular seal plate 5
Tightly, the circumferential seal of annular seal plate 5 and ring packing cover 1 is realized.
The packing seal structure two is made of filling tube 13, filler 14, gland 15, and filling tube 13 is sheathed on main wind
Outside the straight pipe 61 of pipe, filler 14 is filled in the annular space between filling tube 13 and main air hose, one end of filling tube 13 sets gear
Plate plays barrier effect to filler 14, and the other end is fixedly connected with annular seal plate 5, sets through-hole, gland 15 on the close plate 5 of annular
It is pressed on after the through-hole on filler 14, realizes the sealing between main air hose and annular seal plate.
The filler 1, filler 2 10 are graphite packing.
The filler 14 is graphite packing.
In a kind of rotary kiln Secondary Air air supply device of the present invention, 1 set of ring packing cover in the outer of cylinder of rotary kiln 2
Side, and be fixed on the basis of rotary kiln by support 4.The side of ring packing cover 1, ring packing is arranged in annular seal plate 5
Plate 5 is fixedly connected by air hose 6 with cylinder of rotary kiln 2, and is rotated together with cylinder of rotary kiln 2.
The inside of annular seal plate 5, outside respectively with the filler 1, outer in ring packing slot one on interior filler positioning plate 7
Filler 2 10 on filler positioning plate 9 in ring packing slot two cooperates, and is pressed by circumferentially arranged multiple hold-down bolts 11
Consolidation now seals；Through-hole is opened up on annular seal plate 5, is passed through for air duct 6, sets filler between annular seal plate 5 and air hose 6
Cylinder 13 and filler 14 compress filler 14 by gland 15 and realize sealing, and air hose 6 can be moved axially along filling tube 13, to mend
Repay the axial expansion stroke of cylinder of rotary kiln 2.
Filler 1, filler 2 10 and filler 14 select graphite packing etc. with the material of certain self-lubricating capacities.
A kind of rotary kiln Secondary Air air supply device of the present invention is in use, pass through blast pipe 3, air supply duct and outside
Blower is connected, and Secondary Air is introduced in the cavity of ring packing cover 1, then is entered by air hose 6 and play combustion-supporting work in cylinder of rotary kiln 2
With, pass through packing seal structure one, packing seal structure two realize ring packing cover 1 in gas sealing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of rotary kiln Secondary Air air supply device, which is characterized in that including ring packing cover, annular seal plate, air hose and fill out
Expect sealing structure；The ring packing cover is fixedly arranged on the periphery of cylinder of rotary kiln, is tangentially equipped with blast pipe on ring packing cover,
The cross section of ring packing cover is U-shaped, and open side is closed by annular seal plate；Along cylinder of rotary kiln be circumferentially with to
Few 2 groups of air hoses, every group of air hose are made of main air hose and branch's air hose, and one end of main air hose passes through insertion ring after annular seal plate
In shape seal closure, the other end is arranged along the axially extending of cylinder of rotary kiln, branch's air hose perpendicular to main air hose, and the one of branch's air hose
End is connected to main air hose, and the other end extends in cylinder of rotary kiln after passing radially through the outer wall of cylinder of rotary kiln；Rotary kiln cylinder
When body rotates, air hose is rotated synchronously together with annular seal plate, and annular seal plate opposed annular seal closure rotates, ring packing cover
It is sealed between annular seal plate by packing seal structure one, passes through packing seal structure between annular seal plate and main air hose
Two sealings.
2. a kind of rotary kiln Secondary Air air supply device according to claim 1, which is characterized in that the ring packing cover is logical
Support is crossed to be fixed on the basis of rotary kiln.
3. a kind of rotary kiln Secondary Air air supply device according to claim 1, which is characterized in that the outer end of the blast pipe
Try orchid to connect with air supply duct, the other end of air supply duct connects blower.
4. a kind of rotary kiln Secondary Air air supply device according to claim 1, which is characterized in that the main air hose is by straight tube
Section and connection pipeline section composition, the middle part of straight pipe and annular seal plate are tightly connected, and straight pipe is located on the outside of ring packing cover
One end is fixedly connected by flange with pipeline section is connect；It is axially extending along cylinder of rotary kiln to connect pipeline section, is spaced and sets side by side thereon
There are multiple nipples, nipple is fixedly connected with branch air hose by flange.
5. a kind of rotary kiln Secondary Air air supply device according to claim 1, which is characterized in that the packing seal structure
One is made of interior filler positioning plate, outer filler positioning plate, filler one, filler two, hold-down bolt and locknut, annular seal plate
Interior filler positioning plate is set in the ring packing cover of inside, interior filler positioning plate is fixedly connected with ring packing cover, interior filler positioning
The periphery of plate sets ring packing slot one, and filler one is set in ring packing slot one；It is set in ring packing cover on the outside of annular seal plate
Outer filler positioning plate, the periphery of outer filler positioning plate set ring packing slot two, filler two are set in ring packing slot two；Ring packing
Fixed ring flat-plate is set on the outside of plate, fixed ring flat-plate circumferentially opens up multiple bolts hole, and fixed locknut on the outside of bolt hole compresses spiral shell
Bolt applies pressure on outside filler positioning plate, annular seal plate and interior filler positioning plate after corresponding locknut and bolt hole
Power, under the effect of its pressure, filler two and the lateral surface of annular seal plate are adjacent to, the medial surface of filler one and annular seal plate and
It is adjacent between ring packing cover, realizes the circumferential seal of annular seal plate and ring packing cover.
6. a kind of rotary kiln Secondary Air air supply device according to claim 1, which is characterized in that the packing seal structure
Two are made of filling tube, filler, gland, and filling tube is sheathed on outside the straight pipe of main air hose, between filling tube and main air hose
Annular space in be filled with filler, one end of filling tube is baffled to play barrier effect to filler, and the other end and annular seal plate are solid
It is fixed to connect, through-hole is set on the close plate of annular, gland is pressed on filler after passing through the through-hole, realizes main air hose and ring packing
Sealing between plate.
7. a kind of rotary kiln Secondary Air air supply device according to claim 5, which is characterized in that the filler one, filler
Two be graphite packing.
8. a kind of rotary kiln Secondary Air air supply device according to claim 6, which is characterized in that the filler is graphite plate
Root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910815100.2A CN110425868B (en) | 2019-08-30 | 2019-08-30 | Secondary air supply device of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910815100.2A CN110425868B (en) | 2019-08-30 | 2019-08-30 | Secondary air supply device of rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425868A true CN110425868A (en) | 2019-11-08 |
| CN110425868B CN110425868B (en) | 2024-03-19 |
Family
ID=68416797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910815100.2A Active CN110425868B (en) | 2019-08-30 | 2019-08-30 | Secondary air supply device of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110425868B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237327A (en) * | 2021-04-29 | 2021-08-10 | 安徽省泽乾冶金科技有限公司 | Air supply device of rotary kiln |
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|---|---|---|---|---|
| CN204421590U (en) * | 2015-01-24 | 2015-06-24 | 四川九天建设工程有限公司 | A kind of rotary kiln Novel kiln head labyrinth gland |
| CN204421589U (en) * | 2014-12-09 | 2015-06-24 | 李春 | A kind of rotary kiln labyrinth type kiln end sealing device |
| CN206146177U (en) * | 2016-11-09 | 2017-05-03 | 陈实 | Rotary kiln hood sealing device and use this sealing device's rotary kiln |
| CN208751265U (en) * | 2018-07-26 | 2019-04-16 | 赞皇金隅水泥有限公司 | A kind of rotary kiln end sealing device |
| CN109945204A (en) * | 2019-03-26 | 2019-06-28 | 江苏宜裕环保科技有限公司 | A kind of rotary kiln device for mending wind using segmentation |
| CN210602751U (en) * | 2019-08-30 | 2020-05-22 | 中冶焦耐(大连)工程技术有限公司 | Secondary air supply device for rotary kiln |
-
2019
- 2019-08-30 CN CN201910815100.2A patent/CN110425868B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204421589U (en) * | 2014-12-09 | 2015-06-24 | 李春 | A kind of rotary kiln labyrinth type kiln end sealing device |
| CN204421590U (en) * | 2015-01-24 | 2015-06-24 | 四川九天建设工程有限公司 | A kind of rotary kiln Novel kiln head labyrinth gland |
| CN206146177U (en) * | 2016-11-09 | 2017-05-03 | 陈实 | Rotary kiln hood sealing device and use this sealing device's rotary kiln |
| CN208751265U (en) * | 2018-07-26 | 2019-04-16 | 赞皇金隅水泥有限公司 | A kind of rotary kiln end sealing device |
| CN109945204A (en) * | 2019-03-26 | 2019-06-28 | 江苏宜裕环保科技有限公司 | A kind of rotary kiln device for mending wind using segmentation |
| CN210602751U (en) * | 2019-08-30 | 2020-05-22 | 中冶焦耐(大连)工程技术有限公司 | Secondary air supply device for rotary kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237327A (en) * | 2021-04-29 | 2021-08-10 | 安徽省泽乾冶金科技有限公司 | Air supply device of rotary kiln |
| CN113237327B (en) * | 2021-04-29 | 2023-10-20 | 安徽省泽乾冶金科技有限公司 | Rotary kiln air supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110425868B (en) | 2024-03-19 |
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