CN113372023A - Sealing protection device for crack of kiln shell of Maerz active lime kiln - Google Patents
Sealing protection device for crack of kiln shell of Maerz active lime kiln Download PDFInfo
- Publication number
- CN113372023A CN113372023A CN202110745492.7A CN202110745492A CN113372023A CN 113372023 A CN113372023 A CN 113372023A CN 202110745492 A CN202110745492 A CN 202110745492A CN 113372023 A CN113372023 A CN 113372023A
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- Prior art keywords
- kiln
- plate
- movable plate
- sealing
- active lime
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- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 36
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 36
- 239000004571 lime Substances 0.000 title claims abstract description 36
- 239000000428 dust Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/12—Preheating, burning calcining or cooling in shaft or vertical furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D2001/1605—Repairing linings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a sealing and protecting device for a kiln shell crack of a Macire active lime kiln, which comprises a pre-installed plate, a fixed frame, a movable plate, a high-temperature-resistant sealing block and a threaded rod, wherein the pre-installed plate is attached to and fixed on the outer side of a kiln wall, a through hole corresponding to the kiln shell crack is formed in the middle of the pre-installed plate, the fixed frame is fixed on the outer side of the pre-installed plate, the movable plate is positioned in the fixed frame and is parallel to the pre-installed plate, the high-temperature-resistant sealing block is clamped between the movable plate and the pre-installed plate and blocks the through hole in the pre-installed plate, the threaded rod is matched with the fixed frame through the thread, and one end of the threaded rod is vertically and fixedly pressed on the outer side of the movable plate. This device utilizes threaded rod driven fly leaf extrusion high temperature resistant sealed piece, makes high temperature resistant sealed piece warp the back with kiln shell crack seal, simple structure not only, low cost, and application scope is wide moreover, can seal the crack at each position on the kiln shell, prevents that kiln shell gas leakage from influencing lime kiln normal operating, avoids the dust to escape outward and causes environmental pollution.
Description
Technical Field
The invention relates to a safe sealing protection device for cracks of a kiln shell of a Maerz active lime kiln, belonging to the technical field of the Maerz active lime kiln.
Background
The Maerz (Maerz) active lime kiln is an advanced lime calcining equipment, and is provided with two kiln chambers which are arranged up and down and are communicated with each other, the diameter of the upper part of a kiln shell is larger than that of the lower part of the kiln shell, a discharging platform is arranged at the bottom of the kiln shell, and the discharging platform is welded on a steel structure of a kiln body. During production, limestone is loaded from the top of the lime kiln, coal gas is sprayed into the kiln body through a spray gun, combustion-supporting air also enters the kiln cylinder from the top, the limestone is calcined in the kiln cylinder, and lime is discharged from the bottom. In the production process of the Mailz active lime kiln, the kiln shell is inevitably cracked and leaks gas, so that the technical parameters of the lime kiln, such as pressure, temperature and the like, are influenced, and dust escape can cause serious environmental pollution. Because the kiln temperature reaches 150 ℃ and the space is narrow, after cracks appear, welding operation cannot be carried out from the inside, and sealing can only be carried out from the outside, but because the kiln body has the pressure of about 25Kpa, the common sealing method is difficult to effectively inhibit dust from escaping.
Chinese patent application No. 201910735869.3 discloses a milz active limekiln crack sealing device, it can be under the condition of not shutting down the kiln, realize the cracked sealing of kiln shell, avoid the powder ash to escape outward, but the device can only use between kiln shell upper portion and kiln body steel construction, can only seal kiln shell lower part crack promptly, just can't seal when the crack appears in other positions of the kiln body, and the device is bulky, the cost of manufacture is higher, the dismouting is very inconvenient, be unsuitable for slight cracked sealing, its range of application has greatly been restricted. Therefore, it is necessary to design a sealing and protecting device for cracks of the kiln shell of the Mailz active lime kiln with wide application range.
Disclosure of Invention
The invention aims to provide a sealing and protecting device for cracks of a kiln shell of a Mailtz active lime kiln, which has low manufacturing cost and wide application range and aims at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a fissured sealed protector of malz active lime kiln shell, is including pre-installation board, fixed frame, fly leaf, high temperature resistant sealed piece and threaded rod, the pre-installation board pastes to paste and fixes on the outside of kiln wall, is equipped with the through-hole corresponding with kiln shell crack at the middle part of pre-installation board, the outside at pre-installation board is fixed to fixed frame, the fly leaf is located fixed frame and is parallel with the pre-installation board, the edge and the fixed frame sliding connection of fly leaf, high temperature resistant sealed piece presss from both sides between fly leaf and pre-installation board and the through-hole on the shutoff pre-installation board, the threaded rod passes through screw thread and fixed frame cooperation, and the one end of threaded rod is perpendicular to be pressed in the outside of fly leaf.
According to the sealing and protecting device for the kiln shell crack of the Maerz active lime kiln, the upper end and the lower end of the movable plate are fixedly connected with the sliding blocks, the inner wall of the fixing frame is provided with the sliding groove matched with the sliding blocks, and the length direction of the sliding groove is perpendicular to the movable plate.
According to the sealing and protecting device for the crack of the kiln shell of the Maerz active lime kiln, the bearing is arranged in the middle of the outer side of the movable plate, the outer ring of the bearing is fixedly connected with the movable plate, and the inner ring of the bearing is fixedly connected with the end part of the threaded rod.
According to the sealing and protecting device for the crack of the kiln shell of the Maerz active lime kiln, one end, far away from the movable plate, of the threaded rod is fixedly connected with the rotating handle.
According to the sealing and protecting device for the crack of the kiln shell of the Maerz active lime kiln, the movable plate is provided with the limiting groove corresponding to the high-temperature-resistant sealing block.
According to the sealing and protecting device for the kiln shell crack of the Maerz active lime kiln, the hole wall of the through hole in the middle of the pre-installed plate is provided with the high-temperature-resistant sealing ring.
According to the sealing protection device for the kiln shell cracks of the Maerz active lime kiln, the fixing frame is fixedly connected with the positioning block on one side, facing the pre-installed plate, and the positioning groove matched with the positioning block is formed in the pre-installed plate.
Above-mentioned fissured sealed protector of malz active lime kiln shell, the top of fixed frame and the position that the bottom is close to the pre-installation board are equipped with the connecting block, be equipped with the fixed block corresponding with the connecting block on the pre-installation board, the connecting block is equipped with the inserted block with the relative one side of fixed block, be equipped with on the fixed block with inserted block assorted slot, be equipped with connecting bolt in the outside of fixed block, pass through connecting bolt connection between fixed block and the inserted block.
According to the sealing and protecting device for the crack of the kiln shell of the Maerz active lime kiln, the high-temperature resistant sealing block is a cube, a cuboid or a cylinder.
According to the sealing and protecting device for the crack of the kiln shell of the Maerz active lime kiln, the pre-installed plate is connected with the kiln wall through the fixing bolt.
The movable plate driven by the threaded rod is used for extruding the high-temperature-resistant sealing block, so that the kiln shell cracks are sealed after the high-temperature-resistant sealing block deforms.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
fig. 5 is a schematic structural view of a pre-assembled board.
The reference numbers in the figures are: 1. a kiln wall; 2. pre-assembling a plate; 3. fixing the bolt; 4. connecting blocks; 5. a fixing frame; 6. rotating the handle; 7. a threaded rod; 8. a fixed block; 9. a connecting bolt; 10. a movable plate; 11. a high temperature resistant seal block; 12. a through hole; 13. cracking the kiln shell; 14. inserting a block; 15. a slot; 16. positioning blocks; 17. positioning a groove; 18. a chute; 19. a slider; 20. a limiting groove; 21. a high temperature resistant seal ring; 22. and a bearing.
Detailed Description
Aiming at the defects of the prior art, the invention provides a safe sealing and protecting device for a kiln shell crack of a Maerz active lime kiln, which has the advantages of wide application range, good sealing effect and more convenient disassembly and assembly, and solves the problems in the background art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention includes a pre-mounting plate 2, a fixing bolt 3, a connecting block 4, a fixing frame 5, a rotating handle 6, a threaded rod 7, a fixing block 8, a connecting bolt 9, a movable plate 10, a high temperature resistant sealing block 11, a through hole 12, an insertion block 14, a slot 15, a positioning block 16, a positioning groove 17, a sliding groove 18, a sliding block 19, a limiting groove 20, a high temperature resistant sealing ring 21, and a bearing 22. The prefabricated plate 2 is attached to the outer side of the kiln wall 1 and covers a kiln shell crack 13, the upper end and the lower end of the prefabricated plate 2 are fixedly connected through a fixing bolt 3, a through hole 12 is formed in the middle of the prefabricated plate 2 corresponding to the kiln shell crack 13, a fixing frame 5 is connected to the outer side of the prefabricated plate 2, connecting blocks 4 are fixedly connected to the top and the bottom of the fixing frame 5, a fixing block 8 corresponding to the connecting block 4 is fixedly connected to the prefabricated plate 2, an inserting block 14 is fixedly connected to one side of the connecting block 4 opposite to the fixing block 8, an inserting groove 15 matched with the inserting block 14 is formed in the fixing block 8, the inserting block 14 is inserted into the inserting groove 15, a connecting bolt 9 is connected to the outer side of the fixing block 8 in a threaded manner, the fixing block 8 is fixedly connected with the inserting block 14 through the connecting bolt 9, a movable plate 10 parallel to the prefabricated plate 2 is movably connected to the inner side of the fixing frame 5, and a high-temperature resistant sealing block 11 is arranged between the movable plate 10 and the prefabricated plate 2, the high-temperature resistant sealing block 11 is in contact with the pre-installed plate 2, the outer side of the fixed frame 5 is in threaded connection with a threaded rod 7 perpendicular to the movable plate 10, and one end of the threaded rod 7 abuts against the movable plate 10.
Referring to fig. 1 and 2, a rotary handle 6 is fixedly connected to the right end of the threaded rod 7, and a projection is fixedly connected to the outer side of the rotary handle 6, so that the threaded rod 7 can be rotated more conveniently by rotating the rotary handle 6 and the projection.
Referring to fig. 2 and 4, a bearing 22 is fixedly connected to an outer side of the movable plate 10, one end of the threaded rod 7 is fixedly connected to an inner ring of the bearing 22, and the bearing 22 reduces friction between the movable plate 10 and the threaded rod 7, so that the operation is more labor-saving.
Referring to fig. 2, 3 and 4, the refractory sealing block 11 may be in the shape of a cube, a cuboid, a cylinder, etc., and the through hole 12 corresponds to the kiln shell crack 13, so that the refractory sealing block 11 with different shapes can be used more widely.
Referring to fig. 2 and 3, a limiting groove 20 is formed at the left side of the movable plate 10, the high temperature resistant sealing block 11 is located inside the limiting groove 20, and the high temperature resistant sealing block 11 is limited by the limiting groove 20, so that the installation is more convenient.
Referring to fig. 2 and 3, the top and the bottom of the movable plate 10 are both fixedly connected with a sliding block 19, the inner wall of the fixed frame 5 is provided with a sliding groove 18 corresponding to the sliding block 19, the sliding block 19 is slidably connected inside the sliding groove 18, and the movable plate 10 is limited by the sliding block 19 and the sliding groove 18, so that the movable plate is prevented from shifting or rotating along with the threaded rod 7 in the process of moving left and right.
Referring to fig. 2, 3 and 5, the top and bottom of the fixing frame 5 are fixedly connected to positioning blocks 16 on the sides facing the pre-installed plate 2, positioning grooves 17 corresponding to the positioning blocks 16 are formed in the outer side of the pre-installed plate 2, the positioning blocks 16 are inserted into the positioning grooves 17, and the fixing frame 5 is positioned by the positioning blocks 16 and the positioning grooves 17, so that the fixing frame is more convenient and stable to install.
Referring to fig. 2 and 4, the inner wall of the through hole 12 is fixedly connected with a high temperature resistant sealing ring 21, the high temperature resistant sealing ring 21 is in contact with the pre-installed plate 2, and the sealing effect of the joint between the pre-installed plate 2 and the kiln wall 1 is improved by the high temperature resistant sealing ring 21.
During the use, install plate 2 in advance on kiln wall 1 through fixing bolt 3, make through-hole 12 corresponding with kiln shell crack 13, then install fixed frame 5 in plate 2's the outside in advance, make inserted block 14 peg graft in the inside of slot 15, rethread connecting bolt 9 is fixed inserted block 14 and fixed frame 5, it is more convenient and firm to make its installation, manual rotation threaded rod 7 this moment, it removes to the inboard to drive fly leaf 10 through threaded rod 7, extrude high temperature resistant seal piece 11 through fly leaf 10, make high temperature resistant seal piece 11 take place the deformation, seal up through-hole 12, improve its sealed effect, the device can seal up the optional position of kiln wall 1 outer wall, application range is great, and the dismouting is more convenient, sealed effect is better, when needing to change it, otherwise above-mentioned operation can.
Compared with the prior art, the invention has the following beneficial effects:
1. the fissured sealed protector of malz active lime kiln shell passes through fixing bolt and installs the pre-installation board on the kiln wall, rethread connecting bolt is fixed inserted block and fixed frame, it is more convenient and firm to make its installation, it removes to the inboard to drive the fly leaf through the threaded rod, extrude high temperature resistant seal piece through the fly leaf, make high temperature resistant seal piece take place deformation, seal the through-hole, improve its sealed effect, the device can seal the optional position of kiln wall outer wall, application range is great, when needs change it, otherwise above-mentioned operation can, thereby reach application range wider, the dismouting is more convenient, sealed effect better purpose.
2. This device makes the rotation of threaded rod more convenient through twist grip and lug, reduce frictional force through the bearing, the high temperature resistant seal piece through different shapes makes its application range wider, then make its application range wider through the high temperature resistant seal piece of different shapes, carry on spacingly to the fly leaf through slider and spout, avoid it to take place the skew at the removal in-process, then fix a position fixed frame through locating piece and constant head tank, make its installation more convenient and firm, improve the sealed effect of junction between pre-assembled plate and the kiln wall through high temperature resistant sealing washer.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A sealed protection device for cracks of a kiln shell of a Mailz active lime kiln is characterized by comprising a pre-assembled plate (2), a fixed frame (5), a movable plate (10), a high-temperature-resistant sealing block (11) and a threaded rod (7), wherein the pre-assembled plate (2) is attached to and fixed on the outer side of a kiln wall (1), a through hole (12) corresponding to a crack (13) of the kiln shell is arranged in the middle of the pre-assembled plate (2), the fixed frame (5) is fixed on the outer side of the pre-assembled plate (2), the movable plate (10) is positioned in the fixed frame (5) and is parallel to the pre-assembled plate (2), the edge of the movable plate (10) is in sliding connection with the fixed frame (5), the high-temperature-resistant sealing block (11) is clamped between the movable plate (10) and the pre-assembled plate (2) and seals the through hole (12) on the pre-assembled plate (2), and the threaded rod (7) is matched with the fixed frame (5) through threads, one end of the threaded rod (7) is vertically and constantly pressed on the outer side of the movable plate (10).
2. The sealing and protecting device for the cracks of the kiln shell of the Mailz active lime kiln is characterized in that sliding blocks (19) are fixedly connected to the upper end and the lower end of the movable plate (10), sliding grooves (18) matched with the sliding blocks (19) are formed in the inner wall of the fixed frame (5), and the length directions of the sliding grooves (18) are perpendicular to the movable plate (10).
3. The sealing and protecting device for the cracks of the kiln shell of the Mailz active lime kiln is characterized in that a bearing (22) is arranged in the middle of the outer side of the movable plate (10), the outer ring of the bearing (22) is fixedly connected with the movable plate (10), and the inner ring of the bearing is fixedly connected with the end part of the threaded rod (7).
4. The sealing and protecting device for the cracks of the kiln shell of the Mailz active lime kiln is characterized in that one end of the threaded rod (7) far away from the movable plate (10) is fixedly connected with a rotating handle (6).
5. The sealing and protecting device for the crack of the kiln shell of the Mailz active lime kiln is characterized in that a limiting groove (20) corresponding to the high-temperature resistant sealing block (11) is formed in the movable plate (10).
6. The sealing and protecting device for the cracks of the kiln shell of the Mailz active lime kiln is characterized in that a high-temperature-resistant sealing ring (21) is arranged on the hole wall of the through hole (12) in the middle of the pre-installed plate (2).
7. The sealing and protecting device for the kiln shell cracks of the Mailz active lime kiln according to claim 6, characterized in that a positioning block (16) is fixedly connected to one side of the fixing frame (5) facing the pre-installed plate (2), and a positioning groove (17) matched with the positioning block (16) is formed in the pre-installed plate (2).
8. The sealing and protecting device for the kiln shell cracks of the Mailz active lime kiln according to claim 7, characterized in that connecting blocks (4) are arranged at the positions, close to the pre-installed plate (2), of the top and the bottom of the fixing frame (5), fixing blocks (8) corresponding to the connecting blocks (4) are arranged on the pre-installed plate (2), inserting blocks (14) are arranged on one sides, opposite to the fixing blocks (8), of the connecting blocks (4), inserting grooves (15) matched with the inserting blocks (14) are arranged on the fixing blocks (8), connecting bolts (9) are arranged on the outer sides of the fixing blocks (8), and the fixing blocks (8) are connected with the inserting blocks (14) through the connecting bolts (9).
9. The sealing and protecting device for the cracks of the kiln shell of the Mailz active lime kiln is characterized in that the high-temperature resistant sealing block (11) is a cube, a cuboid or a cylinder.
10. The sealing and protecting device for the cracks of the kiln shell of the Mailz active lime kiln is characterized in that the pre-assembled plate (2) is connected with the kiln wall (1) through a fixing bolt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745492.7A CN113372023A (en) | 2021-07-01 | 2021-07-01 | Sealing protection device for crack of kiln shell of Maerz active lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745492.7A CN113372023A (en) | 2021-07-01 | 2021-07-01 | Sealing protection device for crack of kiln shell of Maerz active lime kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113372023A true CN113372023A (en) | 2021-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110745492.7A Withdrawn CN113372023A (en) | 2021-07-01 | 2021-07-01 | Sealing protection device for crack of kiln shell of Maerz active lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113372023A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07279934A (en) * | 1994-04-07 | 1995-10-27 | Washi Chuetsu Board Kk | Fixing method for fixing means such as bolt, and adhesive sealed body used for this method |
| CN202284897U (en) * | 2011-09-10 | 2012-06-27 | 吉林吉恩镍业股份有限公司 | Sealing device of high-temperature rotary kiln |
| CN110436800A (en) * | 2019-08-09 | 2019-11-12 | 邯郸钢铁集团有限责任公司 | A kind of wheat Wurz active lime kiln kiln shell crack sealing device |
| CN210257034U (en) * | 2019-05-16 | 2020-04-07 | 东泰精密塑胶科技(深圳)有限公司 | Base material leakage prevention device for injection mold |
| CN212153771U (en) * | 2020-04-30 | 2020-12-15 | 义乌市城市规划设计研究院有限公司 | Basement outer wall expansion joint structure |
| CN215627652U (en) * | 2021-07-01 | 2022-01-25 | 邯郸钢铁集团有限责任公司 | Sealing protection device for crack of kiln shell of Maerz active lime kiln |
-
2021
- 2021-07-01 CN CN202110745492.7A patent/CN113372023A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07279934A (en) * | 1994-04-07 | 1995-10-27 | Washi Chuetsu Board Kk | Fixing method for fixing means such as bolt, and adhesive sealed body used for this method |
| CN202284897U (en) * | 2011-09-10 | 2012-06-27 | 吉林吉恩镍业股份有限公司 | Sealing device of high-temperature rotary kiln |
| CN210257034U (en) * | 2019-05-16 | 2020-04-07 | 东泰精密塑胶科技(深圳)有限公司 | Base material leakage prevention device for injection mold |
| CN110436800A (en) * | 2019-08-09 | 2019-11-12 | 邯郸钢铁集团有限责任公司 | A kind of wheat Wurz active lime kiln kiln shell crack sealing device |
| CN212153771U (en) * | 2020-04-30 | 2020-12-15 | 义乌市城市规划设计研究院有限公司 | Basement outer wall expansion joint structure |
| CN215627652U (en) * | 2021-07-01 | 2022-01-25 | 邯郸钢铁集团有限责任公司 | Sealing protection device for crack of kiln shell of Maerz active lime kiln |
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Application publication date: 20210910 |