CN104913632A - Protection plate of front kiln outlet of dry-method cement kiln and protection structure comprising same - Google Patents
Protection plate of front kiln outlet of dry-method cement kiln and protection structure comprising same Download PDFInfo
- Publication number
- CN104913632A CN104913632A CN201510339376.XA CN201510339376A CN104913632A CN 104913632 A CN104913632 A CN 104913632A CN 201510339376 A CN201510339376 A CN 201510339376A CN 104913632 A CN104913632 A CN 104913632A
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- China
- Prior art keywords
- plate
- kiln
- anchoring piece
- opening
- protecting plate
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- 239000004568 cement Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000004873 anchoring Methods 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- 238000005728 strengthening Methods 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 239000010431 corundum Substances 0.000 claims description 4
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052863 mullite Inorganic materials 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 5
- 238000011900 installation process Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention provides a protection plate of a front kiln outlet of a dry-method cement kiln. The protection plate is long in service life and comprises a protection plate body and a reinforcing rib plate. The protection plate body comprises a first plate and a second plate which are arranged in parallel in a vertical spaced mode. The left end of the first plate is connected with the right end of the second plate through a vertical plate. The first plate is fastened to a cylinder of the front kiln outlet in the installation process, the whole reinforcing rib plate is in an L shape, and the plane where the reinforcing rib plate is located is perpendicular to the first plate and the vertical plate. The reinforcing rib plate comprises a vertical arm and a horizontal arm. The lower edge of the vertical arm is connected with the upper surface of the second plate, the right side edge of the vertical arm is connected with the left side face of the vertical plate, and the lower edge of the horizontal arm is connected with the upper surface of the left end of the first plate. Anchoring part penetrating holes are formed in the reinforcing rib plate, and side ribs protruding rightwards are arranged on the right side face of the vertical plate.
Description
Technical field
Type of the present invention belongs to field of cement production, is specifically related to cement rotary kiln, more specifically, relates to kiln-opening-protecting plate before cement rotary kiln.
Background technology
Cement rotary kiln production line, one of fault often occurred is exactly front kilneye end face castable early fallout, and make the oxidizable damage in the hot environment more than 1200C ° of front kiln-opening-protecting plate, serious also can cause front kilneye cylindrical shell horn mouth shape.
Kiln-opening-protecting plate before intrinsic cement rotary kiln, the anchoring piece pad that backplate welds easily makes castable damage by high-temperature oxydation, after the time of the general life cycle 8-10 of the castable on backplate month, originally be a mouthful rib, end face occurs that castable comes off, then, in Secondary Air and kiln high temperature chamotte washing away under, the difference variation continued, repeat the shaking property of heat causing castable, hoop castable is caused to occur crackle and castable bulk obscission in a short time, affected by environmently gradually kiln-opening-protecting plate to be broken down, cause castable synchronously can not change with clinkering zone refractory brick in kiln, and bring backplate life cycle 2.5 years.Its main cause, guard board structure simplicity of design, backplate makes the easy early oxidation of anchoring piece bearing, backplate castable is contacted break iron area is little, integrality performance of the structure is poor.As: often the more front kiln-opening-protecting plate of transducer set 5000 tons is not less than 220,000 yuan containing castable cost, and maintenance cost is higher, changes frequent, causes to production and maintenance and strengthens difficulty.
Summary of the invention
The technical problem to be solved in the present invention is to provide kiln-opening-protecting plate before a kind of dry-process cement rotary kiln, its long service life.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
Kiln-opening-protecting plate before a kind of dry-process cement rotary kiln, comprise panel reality and strengthen gusset, panel reality comprises parallel spaced first plate and the second plate up and down, the left end of the first plate is connected by riser with the right-hand member of the second plate, first plate is anchored on front kilneye cylindrical shell when installing, reinforcement slab integral is L-shaped, strengthen plane residing for gusset all vertical with riser with the first plate, strengthen gusset and comprise armstand and transverse arm, being connected with the upper surface of the second plate below of armstand, armstand right edge is connected with the left surface of riser, being connected with the upper surface of the first plate left part below of transverse arm, strengthen gusset offers anchoring piece perforating, the right flank of riser is arranged the side rib protruded to the right.
Kiln-opening-protecting plate before above-mentioned dry-process cement rotary kiln, the first plate is provided with the bolt hole worn for bolt.
Kiln-opening-protecting plate before above-mentioned dry-process cement rotary kiln, side rib is two that distribute up and down, lower side rib and the second plate in the same plane.
Kiln-opening-protecting plate before above-mentioned dry-process cement rotary kiln, the front end face of riser is arranged depression backward or projection forward, accordingly, the rear end face of riser is arranged projection backward or depression forward, the protruding shape with caving in is corresponding to the connection realizing adjacent two risers.
Kiln-opening-protecting plate before above-mentioned dry-process cement rotary kiln, when the width of panel reality is less than 350mm, strengthening gusset is 1, and when the width of panel reality is more than 350mm, strengthening gusset is spaced 2.
Kiln-opening-protecting plate before above-mentioned dry-process cement rotary kiln, on each reinforcement gusset, the quantity of anchoring piece perforating is 3, and anchoring piece perforating is of a size of Ф 30mm.
A kind of operator guards adopting kiln-opening-protecting plate before described dry-process cement rotary kiln; it is characterized in that: kiln-opening-protecting plate before comprising some pieces that are anchored on annular array on front kilneye cylindrical shell; anchoring piece is worn and spot welding is fixed in anchoring piece perforating; two-sided welding fixed anchors on panel reality, builds corundum mullite Special castable for kiln outlet.
Above-mentioned operator guards, the anchoring piece be arranged in anchoring piece perforating is V-shaped, bends in the longitudinal direction, the long 180mm of anchoring piece diameter Ф 12 in corrugated.
Above-mentioned operator guards, front kiln-opening-protecting plate and anchoring piece material are 0Cr25Ni20.
Above-mentioned operator guards, anchoring piece head with plastic cap, anchoring piece remainder brush asphalt caulk does expansion process.
Increase the backplate overall construction intensity strengthening gusset high, complex-shaped, surface area is large, rational in infrastructure, makes to be combined with castable more tight, not easily makes anchoring piece pad early oxidation fall, not easily make castable come off, extend service life simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in more detail:
Fig. 1 is the structural representation of front kiln-opening-protecting plate.
Fig. 2 is the structural representation of front kiln-opening-protecting plate.
Fig. 3 is the sectional view of front kiln-opening-protecting plate.
Fig. 4 is the top view of front kiln-opening-protecting plate.
Detailed description of the invention
As shown in Figures 1 to 4, before a kind of dry-process cement rotary kiln, kiln-opening-protecting plate comprises panel reality and strengthens gusset 3, panel reality comprises parallel spaced first plate 1 and the second plate 9 up and down, the left end of the first plate is connected by riser 8 with the right-hand member of the second plate, first plate is anchored on front kilneye cylindrical shell when installing, reinforcement slab integral is L-shaped, strengthen plane residing for gusset all vertical with riser with the first plate, strengthen gusset and comprise armstand and transverse arm, being connected with the upper surface of the second plate below of armstand, armstand right edge is connected with the left surface of riser, being connected with the upper surface of the first plate left part below of transverse arm, strengthen gusset offers anchoring piece perforating 4, the right flank of riser is arranged the side rib 7 protruded to the right.
First plate is provided with the bolt hole 2 worn for bolt.
Side rib is two that distribute up and down, lower side rib and the second plate in the same plane.
The front end face of riser is arranged depression 5 backward or projection forward, accordingly, the rear end face of riser is arranged projection 6 backward or depression forward, the protruding shape with caving in is corresponding to the connection realizing adjacent two risers.
When the width of panel reality is less than 350mm, strengthening gusset is 1, and when the width of panel reality is more than 350mm, strengthening gusset is spaced 2, and reinforcement distance between plates is wanted suitably, otherwise can cause and wear anchoring piece difficulty.
On each reinforcement gusset, the quantity of anchoring piece perforating is 3, and anchoring piece perforating is of a size of Ф 30mm.
A kind of operator guards adopting kiln-opening-protecting plate before described dry-process cement rotary kiln; kiln-opening-protecting plate before comprising some pieces that are anchored on annular array on front kilneye cylindrical shell; anchoring piece is worn and spot welding is fixed in anchoring piece perforating; two-sided welding fixed anchors on panel reality, builds corundum mullite Special castable for kiln outlet.
The anchoring piece be arranged in anchoring piece perforating is V-shaped, bends in the longitudinal direction, the long 180mm of anchoring piece diameter Ф 12 in corrugated.The two-arm of V-type anchoring piece is all in ripple bending, and object increases and the combination degree of castable.
Front kiln-opening-protecting plate and anchoring piece material are 0Cr25Ni20.
Anchoring piece head with plastic cap, anchoring piece remainder brush asphalt caulk does expansion process.
Kiln-opening-protecting plate before every block is arranged hole installation in turn along front kilneye cylindrical shell inner periphery hoop, prevents hold-down nut from loosening and be welded on shank of bolt with A420 welding rod point.Anchoring piece is put in reinforcement version with holes; each anchoring piece perpendicular to backplate and spot welding fix; again between backplate in space surface on request spacing arrangement be welded and fixed anchoring piece; the anchoring piece fixed must do expansion process, then build corundum mullite Special castable for kiln outlet and form front kilneye operator guards.The technical problem that type of the present invention will solve is to provide that a kind of overall structure is strong, kiln-opening-protecting plate before the cement rotary kiln of long service life, extends the life cycle in 1.8 times of years than the backplate of traditional design.
Claims (10)
1. kiln-opening-protecting plate before a dry-process cement rotary kiln, it is characterized in that: comprise panel reality and strengthen gusset, panel reality comprises parallel spaced first plate and the second plate up and down, the left end of the first plate is connected by riser with the right-hand member of the second plate, first plate is anchored on front kilneye cylindrical shell when installing, reinforcement slab integral is L-shaped, strengthen plane residing for gusset all vertical with riser with the first plate, strengthen gusset and comprise armstand and transverse arm, being connected with the upper surface of the second plate below of armstand, armstand right edge is connected with the left surface of riser, being connected with the upper surface of the first plate left part below of transverse arm, strengthen gusset offers anchoring piece perforating, the right flank of riser is arranged the side rib protruded to the right.
2. kiln-opening-protecting plate before dry-process cement rotary kiln according to claim 1, is characterized in that: the first plate is provided with the bolt hole worn for bolt.
3. kiln-opening-protecting plate before dry-process cement rotary kiln according to claim 1, is characterized in that: side rib is two that distribute up and down, lower side rib and the second plate in the same plane.
4. kiln-opening-protecting plate before dry-process cement rotary kiln according to claim 1, it is characterized in that: the front end face of riser is arranged depression backward or projection forward, accordingly, the rear end face of riser is arranged projection backward or depression forward, the protruding shape with caving in is corresponding to the connection realizing adjacent two risers.
5. kiln-opening-protecting plate before dry-process cement rotary kiln according to claim 1, is characterized in that: when the width of panel reality is less than 350mm, and strengthening gusset is 1, and when the width of panel reality is more than 350mm, strengthening gusset is spaced 2.
6. kiln-opening-protecting plate before dry-process cement rotary kiln according to claim 1, is characterized in that: on each reinforcement gusset, the quantity of anchoring piece perforating is 3, and anchoring piece perforating is of a size of Ф 30mm.
7. one kind adopts the operator guards of kiln-opening-protecting plate before the arbitrary described dry-process cement rotary kiln of claim 1-6; it is characterized in that: kiln-opening-protecting plate before comprising some pieces that are anchored on annular array on front kilneye cylindrical shell; anchoring piece is worn and spot welding is fixed in anchoring piece perforating; two-sided welding fixed anchors on panel reality, builds corundum mullite Special castable for kiln outlet.
8. operator guards according to claim 7, is characterized in that: the anchoring piece be arranged in anchoring piece perforating is V-shaped, bends in the longitudinal direction, the long 180mm of anchoring piece diameter Ф 12 in corrugated.
9. operator guards according to claim 7, is characterized in that: front kiln-opening-protecting plate and anchoring piece material are 0Cr25Ni20.
10. operator guards according to claim 7, is characterized in that: anchoring piece head with plastic cap, and anchoring piece remainder brush asphalt caulk does expansion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339376.XA CN104913632A (en) | 2015-06-18 | 2015-06-18 | Protection plate of front kiln outlet of dry-method cement kiln and protection structure comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339376.XA CN104913632A (en) | 2015-06-18 | 2015-06-18 | Protection plate of front kiln outlet of dry-method cement kiln and protection structure comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104913632A true CN104913632A (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510339376.XA Pending CN104913632A (en) | 2015-06-18 | 2015-06-18 | Protection plate of front kiln outlet of dry-method cement kiln and protection structure comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104913632A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668154A (en) * | 2018-12-17 | 2019-04-23 | 江苏宇新环保工程管理有限公司 | Rotary kiln backplate |
| CN114646221A (en) * | 2022-03-20 | 2022-06-21 | 太原钢铁(集团)有限公司 | Masonry method of high-temperature refractory material of rotary kiln |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690139A1 (en) * | 1994-06-29 | 1996-01-03 | Hoogovens Groep B.V. | Refractory construction |
| CN201242343Y (en) * | 2008-07-17 | 2009-05-20 | 韩亚伟 | Front kiln mouth of rotary kiln |
| CN201607110U (en) * | 2009-12-30 | 2010-10-13 | 天津振兴水泥有限公司 | Mouth protecting iron used for rotary cement kiln kilneye |
| CN201954940U (en) * | 2010-12-17 | 2011-08-31 | 泰山中联水泥有限公司 | Kiln opening structure of rotary cement kiln |
| CN203657439U (en) * | 2014-01-13 | 2014-06-18 | 天瑞集团水泥有限公司 | Front opening structure of cement rotary kiln |
| CN203833581U (en) * | 2014-04-24 | 2014-09-17 | 中天建设集团浙江钢构有限公司 | Jack support for correcting steel column |
| CN204100781U (en) * | 2014-09-16 | 2015-01-14 | 郑州嘉耐特种铝酸盐有限公司 | rotary kiln kilneye cap iron |
| CN204718367U (en) * | 2015-06-18 | 2015-10-21 | 滕州中联水泥有限公司 | Kiln-opening-protecting plate and adopt the operator guards of this backplate before a kind of dry-process cement rotary kiln |
-
2015
- 2015-06-18 CN CN201510339376.XA patent/CN104913632A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690139A1 (en) * | 1994-06-29 | 1996-01-03 | Hoogovens Groep B.V. | Refractory construction |
| CN201242343Y (en) * | 2008-07-17 | 2009-05-20 | 韩亚伟 | Front kiln mouth of rotary kiln |
| CN201607110U (en) * | 2009-12-30 | 2010-10-13 | 天津振兴水泥有限公司 | Mouth protecting iron used for rotary cement kiln kilneye |
| CN201954940U (en) * | 2010-12-17 | 2011-08-31 | 泰山中联水泥有限公司 | Kiln opening structure of rotary cement kiln |
| CN203657439U (en) * | 2014-01-13 | 2014-06-18 | 天瑞集团水泥有限公司 | Front opening structure of cement rotary kiln |
| CN203833581U (en) * | 2014-04-24 | 2014-09-17 | 中天建设集团浙江钢构有限公司 | Jack support for correcting steel column |
| CN204100781U (en) * | 2014-09-16 | 2015-01-14 | 郑州嘉耐特种铝酸盐有限公司 | rotary kiln kilneye cap iron |
| CN204718367U (en) * | 2015-06-18 | 2015-10-21 | 滕州中联水泥有限公司 | Kiln-opening-protecting plate and adopt the operator guards of this backplate before a kind of dry-process cement rotary kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668154A (en) * | 2018-12-17 | 2019-04-23 | 江苏宇新环保工程管理有限公司 | Rotary kiln backplate |
| CN114646221A (en) * | 2022-03-20 | 2022-06-21 | 太原钢铁(集团)有限公司 | Masonry method of high-temperature refractory material of rotary kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |