CN112302363B - Method for reinforcing brick plate lining in strong corrosion environment - Google Patents
Method for reinforcing brick plate lining in strong corrosion environment Download PDFInfo
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- CN112302363B CN112302363B CN202011086479.7A CN202011086479A CN112302363B CN 112302363 B CN112302363 B CN 112302363B CN 202011086479 A CN202011086479 A CN 202011086479A CN 112302363 B CN112302363 B CN 112302363B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0296—Repairing or restoring facades
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a method for reinforcing a brick plate lining in a strong corrosion environment, which comprises the following steps: s1) hollowing out the brick plate lining at the reinforcing point; a grouting groove is excavated downwards on the surface of the lining matrix, and a bolt hole is drilled downwards in the center of the grouting groove; s2) installing the lower end of the bolt into the bolt hole, injecting grouting material into the grouting groove, and then sleeving the embedded part from the upper end of the bolt; s3) attaching a lining plate to the surface of the plane plate of the embedded part, wherein the periphery of the lining plate is lapped with the lining plate of the brick plate lining; s4) installing a rubber ring in a U-shaped groove in the middle of the embedded part, filling soft daub, and sleeving a first compression nut from the upper end of a bolt to compress the rubber ring and the soft daub downwards; s5) adding a reinforcing plate on the top surface of the cavity, and sleeving a second compression nut on the upper end of the bolt to compress the reinforcing plate downwards. The method is simple, the engineering quantity is small, the manufacturing cost is low, the construction period is short, the abrasion resistance and the sealing performance are good, and the brick plate lining is effectively prevented from being unstable under pressure.
Description
Technical Field
The invention relates to a method for reinforcing a brick plate lining in the field of chemical industry, in particular to a method for reinforcing a brick plate lining in a strong corrosion environment.
Background
At present, some chemical plants are generally paved with a brick plate lining on the surface of a lining matrix to play roles of abrasion resistance and corrosion resistance. However, when the medium in the equipment is in a strong corrosive environment, the brick plate lining is in contact with the medium for a long time and is very easy to expand after being soaked by the medium and heated, and when the expansion is excessive, the brick plate lining is unstable under pressure, so that the problems of hollowing, cracking, even collapsing to the medium side and the like occur, and finally, the lining matrix of the equipment is corroded, and the normal operation of the equipment is influenced. When the problems occur, the traditional treatment method is that the brick plate lining is completely removed and rebuilt, on one hand, the defects of stopping the device, overlarge maintenance amount, high maintenance cost and long construction period are caused, on the other hand, after the brick plate lining is rebuilt, the problem that the brick plate lining is unstable under pressure still exists, and the problems of hollowing, cracking and even collapsing to the medium side still occur after the brick plate lining is used for a period of time.
Disclosure of Invention
The invention aims to solve the technical problems and provides a method for reinforcing a brick plate lining in a strong corrosion environment, which has the advantages of simple method, small engineering quantity, low manufacturing cost, short construction period, abrasion resistance, good sealing property and capability of effectively avoiding the brick plate lining from being unstably pressed.
The reinforcing method comprises the following steps:
s1) hollowing out the cavity of the brick plate lining at the reinforcing point to expose the surface of the lining matrix; a grouting groove is excavated downwards on the surface of the lining base body, a bolt hole is drilled downwards in the center of the grouting groove, and a self-fastening piece is installed;
s2) the lower end of the bolt is installed in a self-tightening piece of the bolt hole to be fastened, grouting material is injected into a grouting groove, then the embedded part is sleeved in from the upper end of the bolt, the opening of a U-shaped groove in the middle of the embedded part is upward, a plane plate on the periphery of the embedded part is flush with the lining base body, and the embedded part is connected with the contact part of the self-locking bolt by seal welding; the bolts are preferably self-locking bolts or expansion bolts.
S3) attaching a lining plate to the surface of the plane plate of the embedded part, wherein the periphery of the lining plate is lapped with the lining plate of the brick plate lining;
s4) installing a rubber ring in a U-shaped groove in the middle of the embedded part, filling soft daub, and sleeving a first compression nut from the upper end of a bolt to compress the rubber ring and the soft daub downwards;
s5) adding a reinforcing plate on the top surface of the cavity, and sleeving a second compression nut on the upper end of the bolt to compress the reinforcing plate downwards.
S1), the bolt hole is a through hole.
And S2), the outer diameter of the embedded part is matched with the grouting groove, the embedded part consists of a U-shaped groove in the middle and a plane plate on the periphery of the U-shaped groove, and a bolt hole for being sleeved on a bolt is formed in the center of the U-shaped groove.
And S2), the lower end of the bolt is installed in the bolt hole, then soft cement is filled in the opening of the bolt hole, and then grouting material is injected into the grouting groove.
The S3), the joint between the lining board and the lining board is in a diagonal lap joint mode.
And S5), sequentially covering an elastic plate and a reinforcing plate on the top surface of the cavity, and sleeving a second compression nut from the upper end of the bolt to downwards compress the reinforcing plate.
Aiming at the problems in the background art, the inventor considers a method for repairing a collapsed part, and by adopting the method, the brick plate lining does not need to be built again, the collapsed part only needs to be cleaned, the brick plate lining at the reinforcing point is hollowed out to form a cavity, and the surface of the lining base body is exposed, so that the rapid reinforcement can be carried out, the engineering quantity is small, the construction period is greatly shortened, the construction cost and the construction difficulty are reduced, the problem of local secondary collapse can be effectively avoided after the reinforcement, and the service life of equipment is prolonged.
The invention utilizes the expansion and deformation of the cavity release brick plate liner after being pressed and heated, thereby avoiding the problems of hollowing and cracking; the reinforcing plate is pressed downwards by the bolt and the second compression nut to increase the stability of the brick plate lining and reduce the loss caused by hollowing, cracking or collapsing;
although the bolts can improve the stability of the tile panel lining, a plurality of holes are formed, and the bolts are different from other components in material, so that the problem of temperature difference deformation caused by expansion and contraction after heating exists. In order to solve the technical problem, soft daub is filled in the opening of the bolt hole, so that leakage of a corrosive medium along the axial direction of the bolt can be prevented, and the expansion influence between the bolt and a grouting material can be coordinated; the embedded part is arranged to improve the local rigidity of the grouting groove, and the leakage of corrosive media along the axial direction of the bolt can be effectively prevented after the embedded part is welded with the bolt in a sealing way; the periphery of the lining plate is lapped with the lining plate of the brick plate lining in an oblique lapping mode, so that a corrosive medium is prevented from leaking along the circumferential direction of the embedded part; the rubber ring is arranged in the U-shaped groove in the middle of the embedded part and filled with soft daub, the first compression nut is used for compressing, leakage of corrosive media along the circumferential direction of the bolt is prevented, meanwhile, the elasticity of the first compression nut can be used for coordinating temperature difference deformation among different materials, stress of the bolt and the embedded part is released, and adverse effects of high-temperature media on self-locking force between the bolt and a lining base body are reduced.
In conclusion, the method of the invention has the advantages of simplicity, small engineering quantity, low manufacturing cost (the maintenance cost can be reduced by more than 60%), short construction period (the maintenance period can be shortened by more than 60%), abrasion resistance, good sealing performance, capability of effectively avoiding the brick plate lining from being stressed and unstable and prolonging the service life of equipment.
Drawings
FIG. 1 is a schematic representation of the reinforced article of the present invention.
Wherein, 1-bolt hole, 2-bolt, 3-soft daub, 4-soft daub, 5-grouting material, 6-embedded part, 6.1-U-shaped groove, 6.2-plane plate, 7-lining plate, 8-rubber ring, 9-first compression nut, 10-elastic plate, 11-reinforcing plate, 12-second compression nut, 13-cavity, 14-grouting groove, 15-brick plate lining, 15.1-brick plate layer, 15.2-lining plate, 16-lining base body, 17-square head and 18-self-fastening piece.
Detailed Description
The process of the invention is further illustrated below with reference to the accompanying drawings:
referring to fig. 1, the reinforcement method of the present invention includes the following steps:
s1) digging out the cavity 13 of the brick plate lining 15 at the reinforcing point to expose the surface of the lining base body 16; a grouting groove 14 is excavated downwards on the surface of a lining base body 16, a bolt hole 1 is formed downwards in the center of the grouting groove 14, and a self-fastening piece 18 is installed; the bolt hole 1 may not penetrate through the lining base 16, or may penetrate through the lining base 16 as a through hole, and when the bolt hole 1 is a through hole, the remaining space after the bolt 2 is installed can be used as an observation hole to observe whether leakage occurs in the hole through the other surface of the lining base 16;
s2) the lower end of the bolt 2 is installed in a self-tightening part 18 of the bolt hole 1 for self-locking, soft cement 4 is filled in the opening of the bolt hole 1, grouting material 5 is injected into a grouting groove 14, then an embedded part 6 is sleeved in from the upper end of the bolt, the opening of a U-shaped groove 6.1 in the middle of the embedded part is upward, a plane plate 6.2 on the periphery of the embedded part is flush with the surface of a lining base body 16, and the contact part of the embedded part 6 and the bolt 2 is connected by seal welding;
the outer diameter of the embedded part 6 is matched with the grouting groove 14, the grouting groove 14 can be circular, square or the shape of the grouting groove, the embedded part 6 consists of a U-shaped groove 6.1 in the middle and a plane plate 6.2 on the periphery of the U-shaped groove 6.1, and a bolt hole for being sleeved on the bolt 1 is formed in the center of the U-shaped groove 6.1;
s3) attaching a lining board 7 to the surface of the plane board 6.2, wherein the periphery of the lining board 7 is overlapped with the joint of the lining board 15.2 of the brick board lining 15 (comprising the brick board layer 15.1 and the lining board 15.2) in an oblique overlapping mode;
s4) installing a rubber ring 8 in a U-shaped groove 6.1 in the middle of the embedded part 6 and filling soft daub 5, and sleeving a first compression nut 9 from the upper end of the bolt 2 to downwards compress the rubber ring 8 and the soft daub 5;
s5) sequentially covering an elastic plate 10 and a reinforcing plate 11 on the top surface of the cavity 13 to seal the cavity 13, placing the ends of the elastic plate 10 and the reinforcing plate 11 on a brick plate lining 15, and sleeving a second compression nut 12 from the upper end of the bolt 2 to downwards compress the reinforcing plate 11, thereby completing the whole reinforcing process.
The reinforcing method can repair and reinforce the hollowing, cracking or collapsing part of the brick plate lining in the using process of the equipment; or when the equipment is manufactured, the specified reinforcing points can be pre-reinforced in advance according to the method so as to prolong the service life of the equipment. After the brick plate lining is reinforced by the method, the local brick plate lining and the peripheral brick plate lining can be effectively prevented from being pressurized and destabilized again, and the maintenance cost and the maintenance period are reduced.
Claims (4)
1. A method for reinforcing a brick plate lining in a strong corrosion environment is characterized by comprising the following steps:
s1) hollowing out the cavity of the brick plate lining at the reinforcing point to expose the surface of the lining matrix; a grouting groove is excavated downwards on the surface of the lining base body, a bolt hole is drilled downwards in the center of the grouting groove, and a self-fastening piece is installed;
s2) after the lower end of the bolt is installed in a self-tightening piece of the bolt hole and fastened, firstly, filling soft cement mortar into the opening of the bolt hole, then, injecting grouting material into a grouting groove, then, sleeving an embedded part from the upper end of the bolt, wherein the external diameter of the embedded part is matched with the grouting groove, the embedded part consists of a U-shaped groove in the middle and a plane plate on the periphery of the U-shaped groove, the center of the U-shaped groove is provided with the bolt hole for sleeving the bolt, the opening of the U-shaped groove in the middle of the embedded part is upward, the plane plate on the periphery is flush with the lining base body, and the embedded part is connected with the contact part of the bolt by adopting seal welding;
s3) attaching a lining plate to the surface of the plane plate of the embedded part, wherein the periphery of the lining plate is lapped with the lining plate of the brick plate lining;
s4) installing a rubber ring in a U-shaped groove in the middle of the embedded part, filling soft daub, and sleeving a first compression nut from the upper end of a bolt to compress the rubber ring and the soft daub downwards;
s5) sequentially covering an elastic plate and a reinforcing plate on the top surface of the cavity, and sleeving a second compression nut from the upper end of the bolt to compress the reinforcing plate downwards.
2. The method for reinforcing a brick plate lining under a highly corrosive environment according to claim 1, wherein in S1), the bolt holes are through holes.
3. The method for reinforcing a brick lining under a highly corrosive environment according to claim 1, wherein in the step S3), the joint between the lining panel and the lining panel is in a form of an oblique lap joint.
4. The method for reinforcing a brick plate lining in a highly corrosive environment according to any one of claims 1 to 3, wherein in S2), the bolts are self-locking bolts or expansion bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086479.7A CN112302363B (en) | 2020-10-12 | 2020-10-12 | Method for reinforcing brick plate lining in strong corrosion environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086479.7A CN112302363B (en) | 2020-10-12 | 2020-10-12 | Method for reinforcing brick plate lining in strong corrosion environment |
Publications (2)
| Publication Number | Publication Date |
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| CN112302363A CN112302363A (en) | 2021-02-02 |
| CN112302363B true CN112302363B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011086479.7A Active CN112302363B (en) | 2020-10-12 | 2020-10-12 | Method for reinforcing brick plate lining in strong corrosion environment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094716A (en) * | 1964-02-14 | 1967-12-13 | Cellophane Sa | Method of internally lining receptacles and receptacles so lined |
| CN87101546A (en) * | 1987-04-28 | 1988-11-09 | 抚顺市塑料四厂 | Process for fixing liners |
| CN2843607Y (en) * | 2005-12-08 | 2006-12-06 | 才淑贤 | Aluminum corrosion-resistant lining of steel can |
| CN205797178U (en) * | 2016-07-15 | 2016-12-14 | 中国五环工程有限公司 | The anti-corrosion carbon block lining expansion structure of equipment inner wall |
| CN107128622A (en) * | 2017-02-27 | 2017-09-05 | 袁梦凝 | Tank body one-shot forming combination of rigidity and flexibility lining |
| CN109594794A (en) * | 2019-01-24 | 2019-04-09 | 天津建工集团建筑设计有限公司 | A kind of the repairerment structure and repairerment method of plate surface crack |
-
2020
- 2020-10-12 CN CN202011086479.7A patent/CN112302363B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094716A (en) * | 1964-02-14 | 1967-12-13 | Cellophane Sa | Method of internally lining receptacles and receptacles so lined |
| CN87101546A (en) * | 1987-04-28 | 1988-11-09 | 抚顺市塑料四厂 | Process for fixing liners |
| CN2843607Y (en) * | 2005-12-08 | 2006-12-06 | 才淑贤 | Aluminum corrosion-resistant lining of steel can |
| CN205797178U (en) * | 2016-07-15 | 2016-12-14 | 中国五环工程有限公司 | The anti-corrosion carbon block lining expansion structure of equipment inner wall |
| CN107128622A (en) * | 2017-02-27 | 2017-09-05 | 袁梦凝 | Tank body one-shot forming combination of rigidity and flexibility lining |
| CN109594794A (en) * | 2019-01-24 | 2019-04-09 | 天津建工集团建筑设计有限公司 | A kind of the repairerment structure and repairerment method of plate surface crack |
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| CN112302363A (en) | 2021-02-02 |
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