CN109404623A - The double-deck side pulling round ring lining structure carries out the construction method of dual-layer lining - Google Patents
The double-deck side pulling round ring lining structure carries out the construction method of dual-layer lining Download PDFInfo
- Publication number
- CN109404623A CN109404623A CN201811297967.5A CN201811297967A CN109404623A CN 109404623 A CN109404623 A CN 109404623A CN 201811297967 A CN201811297967 A CN 201811297967A CN 109404623 A CN109404623 A CN 109404623A
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- China
- Prior art keywords
- lining
- round ring
- side pulling
- layer
- pulling round
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, it is the method that heat shield liner inner layer and wear-resisting lining inner layer are successively smeared in process face with the double-deck side pulling round ring, it in process face the following steps are included: be equably welded with several bolts, bolt is made of screw portion and threaded portion, wherein the threaded portion of above-mentioned bolt is far from process face；Upper screw thread protection cap is covered in the threaded portion of above-mentioned bolt；Derusting by sandblasting processing is carried out to the screw portion of process face and several bolts；Stuffed heat insulated backing layer in space between process face and the threaded portion of several bolts；The screw thread protection cap on above-mentioned threaded portion is removed, then the fixed bilayer side pulling round ring on above-mentioned threaded portion, above-mentioned threaded portion is packed into the double-deck side pulling round ring；One layer of wear-resisting lining inner layer is filled in the outer surface of heat shield liner inner layer, so that wear-resisting lining inner layer covers the upper surface of the double-deck side pulling round ring completely.
Description
Technical field
The present invention relates to the lining fields of petroleum, chemical industry, the equipment of metallurgical construction and inner wall of the pipe, it is widely used in stone
Oiling work cat-cracker, two device equipment of dehydrogenation unit reaction-regeneration system and ducts, in particular, the present invention relates to
A kind of bilayer side pulling round ring lining structure carries out the construction method of dual-layer lining.
Background technique
Reactor-regenerator system, the two high 61.6m of device equipment, non-standard equipment maximum gauge 6m, two devices are divided into air lift
Totally 6 sections of section, close phase section, dilute phase section include 6 centrums, 10 straight sections, 2 spherical shell covers, 7 whirlwind.Two devices and matched master
Air hose, catalyst transport, expects pipe to be generated etc. need to use unsetting castable, do the double-deck side pulling round ring insulating and wearing-resistant lining and apply
Work.It is total to use the double-deck side pulling round ring 88440, lining area 1605m2。
For the double-deck side pulling round ring insulating and wearing-resistant lining of above structure, because two device internals are more, internal various parts are wrong
Comprehensive complexity, and reactor requires to construct using anti-acid castable, complicated construction technique, the double-deck side pulling round ring lining construction work
Sequence is cumbersome, needs the position for linking up sequence of construction more between profession, overall difficulty is big, and existing construction method is unable to satisfy requirement.To protect
Demonstrate,prove the double-deck side pulling round ring lining structure construction quality, it is necessary to design a set of completely new arrangement and method for construction to complete the double-deck side pulling type
Annulus lining structure lining construction, i.e. lining include heat shield liner inner layer and wear-resisting lining inner layer, and existing heat shield liner inner layer and wear-resisting
Connection between backing layer is not secured enough, and wear-resisting lining inner layer can fall off from heat shield liner inner layer.
Summary of the invention
The purpose of present invention is between heat shield liner inner layer and wear-resisting lining inner layer to be solved the problem of being not connected firmly,
And a kind of construction method of double-deck side pulling round ring lining structure progress dual-layer lining is provided, construction efficiency is high, reliable in quality.
In order to complete present invention purpose, the application uses following technical scheme:
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, it is to use double layer side
The method that pull-up annulus successively smears heat shield liner inner layer and wear-resisting lining inner layer in process face, in which: it the following steps are included:
(a), bolt welding
Several bolts are equably welded in process face, bolt is made of screw portion and threaded portion, wherein on
The threaded portion of bolt is stated far from process face；
(b), screw thread protection cap is installed
Upper screw thread protection cap is covered in the threaded portion of above-mentioned bolt；
(c), inner wall sandblasting
Derusting by sandblasting processing is carried out to the screw portion of process face and several bolts；
(d), heat shield liner inner layer is constructed
Stuffed heat insulated backing layer in space between process face and the threaded portion of several bolts；
(e), it removes screw thread protection cap and the double-deck side pulling round ring is installed
The screw thread protection cap on above-mentioned threaded portion is removed, then the fixed bilayer side pulling type circle on above-mentioned threaded portion
Above-mentioned threaded portion is packed into the double-deck side pulling round ring by ring；
(f), wear-resisting lining inner layer is constructed
One layer of wear-resisting lining inner layer is filled in the outer surface of heat shield liner inner layer, so that wear-resisting lining inner layer covers the double-deck layback completely
The upper surface of type annulus.
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: will handle
Face is divided into several regions, in a wherein region carry out step (a) to step (d) operation, in another region into
Row step (e) to step (f) operation；
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: it is described every
The curing time of hot backing layer is 2-4 days, i.e., after completing 2-4 days after the construction of heat shield liner inner layer, then carries out applying for step (e)
Work；
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: described resistance to
The curing time of mill lining inner layer is 2-4 days, i.e., after completing 2-4 days after the construction of wear-resisting lining inner layer, has just been finally completed bilayer
The dual-layer lining of side pulling round ring lining structure is constructed.
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: the place
Reason face is plane or/and curved surface；
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: described double
Layer side pulling round ring is fixed on the threaded portion of bolt by internal screw thread thereon, on the excircle of the double-deck side pulling round ring
At least 2 layback wings；
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: in bilayer
The 2-4 layback wing is evenly equipped on the excircle of side pulling round ring；
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: is handling
On face (1), the number of the bolt (2) is 60-130/square metres.
A kind of double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining, in which: adjacent spiral shell
The spacing of bolt (2) is in the range of 80mm to 120mm.
After the above construction method, traditional unordered amorphous construction method phase with existing unsetting castable
Than present invention bilayer side pulling round ring lining structure lining construction method has the advantage that
(1), operating process standardization, operational standardization, high production efficiency reduce labor intensity；
(2), reduce the use such as formwork, scaffold quantity, template and protective cap；
(3), rework rate is reduced, guarantees equipment and inner wall of the pipe lining construction quality and progress, and time saving and energy saving, safety
Environmental protection；
(4), cost is relatively low, construction efficiency is high for integral construction of the invention, can sufficiently meet the double-deck side pulling round ring lining
In structure lining construction.
Detailed description of the invention
Fig. 1 is that the double-deck side pulling round ring lining structure of the invention carries out step (a) in the construction method of dual-layer lining
Schematic diagram；
Fig. 2 is that the double-deck side pulling round ring lining structure of the invention carries out step (b) in the construction method of dual-layer lining
Schematic diagram；
Fig. 3 is that the double-deck side pulling round ring lining structure of the invention carries out step (d) in the construction method of dual-layer lining
Schematic diagram；
Fig. 4 is that the double-deck side pulling round ring lining structure of the invention carries out step (e) in the construction method of dual-layer lining
Schematic diagram；
Fig. 5 is that the double-deck side pulling round ring lining structure of the invention carries out step (e) in the construction method of dual-layer lining
Schematic diagram；
Fig. 6 is that the double-deck side pulling round ring lining structure of the invention carries out step (f) in the construction method of dual-layer lining
Schematic diagram；
Fig. 7 is the positive diagrammatic cross-section of the double-deck side pulling round ring amplification；
Fig. 8 is that Fig. 7 bows to schematic diagram.
In Fig. 1 into Fig. 8, label 1 is process face；Label 2 is bolt；Label 3 is threaded portion；Label 4 is screw thread guarantor
Helmet；Label 5 is heat shield liner inner layer；Label 6 is the double-deck side pulling round ring；Label 7 is wear-resisting lining inner layer；Label 8 is the layback wing；
Label 9 is screw portion.
Specific embodiment
With reference to the accompanying drawings and detailed description to the double-deck side pulling round ring lining structure lining construction method of the invention
It is described in further detail:
As shown in Figures 1 to 6, the double-deck side pulling round ring lining structure of the invention carries out the construction method of dual-layer lining,
It is the method that heat shield liner inner layer 5 and wear-resisting lining inner layer 7 are successively smeared in process face 1 with the double-deck side pulling round ring 6, it includes
Following steps:
(a), bolt welding
As shown in Figure 1, being equably welded with several bolts 2 in process face 1, bolt 2 is by screw portion 9 and threaded portion
Divide 3 compositions, wherein the threaded portion 3 of above-mentioned bolt 2 is far from process face 1, process face 1 is plane or/and curved surface, in process face 1
On, the number of bolt 2 is 60-130/square metres, and 2 spacing of adjacent bolt is in the range of 80mm to 120mm；
(b), screw thread protection cap is installed
As shown in Fig. 2, in 3 sets of threaded portion upper screw thread protection caps 4 of above-mentioned bolt 2；
(c), inner wall sandblasting
Derusting by sandblasting processing is carried out to the screw portion 9 of process face 1 and several bolts 2；
(d), heat shield liner inner layer is constructed
As shown in figure 3, stuffed heat insulated backing layer in space between process face 1 and the threaded portion 3 of several bolts 2
5, the curing time of heat shield liner inner layer 5 is 2-4 days, such as 3 days, i.e., behind 3 days after completing heat shield liner inner layer 5 and constructing, progress
Step (e)；
(e), it removes screw thread protection cap and the double-deck side pulling round ring is installed
As shown in Figure 4 and Figure 5, the screw thread protection cap 4 on above-mentioned threaded portion 3 is removed, then, passes through double-deck side pulling type circle
Internal screw thread on ring 6 is fixed on the threaded portion 3 of bolt 2, and threaded portion 3 is packed into the double-deck side pulling round ring 6, double
There are 3 layback wings 8 (as shown in Figure 7 and Figure 8) on the excircle of layer side pulling round ring 6；
(f), wear-resisting lining inner layer is constructed
As shown in fig. 6, one layer of wear-resisting lining inner layer 7 is filled in the outer surface of heat shield liner inner layer 5, so that wear-resisting lining inner layer 7 is complete
Cover the upper surface of the double-deck side pulling round ring 6 entirely, the curing time of wear-resisting lining inner layer 7 is 2-4 days, such as 3 days, i.e., resistance in completion
Behind 3 days after the construction of mill lining inner layer 7, it is just finally completed the dual-layer lining construction of the double-deck side pulling round ring lining structure.
Process face 1 is segmented into several regions, and the operation of step (a) to step (d) is carried out in a wherein region,
The operation of step (e) to step (f) is carried out in another region.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is bound, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen within the scope of protection of the present invention.
Claims (9)
1. a kind of bilayer side pulling round ring lining structure carries out the construction method of dual-layer lining, it is with the double-deck side pulling round ring
(6) method of heat shield liner inner layer (5) and wear-resisting lining inner layer (7) is successively smeared on process face (1), it is characterised in that: it includes
Following steps:
(a), bolt welding
Several bolts (2) are equably welded on process face (1), bolt (2) is by screw portion (9) and threaded portion (3)
Composition, wherein the threaded portion (3) of above-mentioned bolt (2) is far from process face (1)；
(b), screw thread protection cap is installed
Threaded portion (3) in above-mentioned bolt (2) puts on screw thread protection cap (4)；
(c), inner wall sandblasting
Derusting by sandblasting processing is carried out to the screw portion (9) of process face (1) and several bolts (2)；
(d), heat shield liner inner layer is constructed
Stuffed heat insulated backing layer (5) in space between process face (1) and the threaded portion (3) of several bolts (2)；
(e), it removes screw thread protection cap and the double-deck side pulling round ring is installed
The screw thread protection cap (4) on above-mentioned threaded portion (3) is removed, then the fixed bilayer layback on above-mentioned threaded portion (3)
Above-mentioned threaded portion (3) are packed into the double-deck side pulling round ring (6) by type annulus (6)；
(f), wear-resisting lining inner layer is constructed
Fill one layer of wear-resisting lining inner layer (7) in the outer surface of heat shield liner inner layer (5) so that wear-resisting lining inner layer (7) cover completely it is double
The upper surface of layer side pulling round ring (6).
2. bilayer side pulling round ring lining structure as described in claim 1 carries out the construction method of dual-layer lining, feature exists
In: process face (1) is divided into several regions, the operation of step (a) to step (d) is carried out in a wherein region, another
The operation of step (e) to step (f) is carried out in one region.
3. bilayer side pulling round ring lining structure as claimed in claim 2 carries out the construction method of dual-layer lining, feature exists
In: the curing time of the heat shield liner inner layer (5) is 2-4 days, i.e., after completing 2-4 days after heat shield liner inner layer (5) construction, then
Carry out the construction of step (e).
4. bilayer side pulling round ring lining structure as claimed in claim 3 carries out the construction method of dual-layer lining, feature exists
In: the curing time of the wear-resisting lining inner layer (7) is 2-4 days, i.e., after completing 2-4 days after wear-resisting lining inner layer (7) construction,
It has been finally completed the dual-layer lining construction of the double-deck side pulling round ring lining structure.
5. bilayer side pulling round ring lining structure as claimed in claim 4 carries out the construction method of dual-layer lining, feature exists
In: the process face (1) is plane or/and curved surface.
6. bilayer side pulling round ring lining structure as claimed in claim 5 carries out the construction method of dual-layer lining, feature exists
In: on the threaded portion (3) that the bilayer side pulling round ring (6) is fixed on bolt (2) by internal screw thread thereon, in double layer side
At least 2 layback wings (8) on the excircle of pull-up annulus (6).
7. bilayer side pulling round ring lining structure as claimed in claim 6 carries out the construction method of dual-layer lining, feature exists
In: the 2-4 layback wing (8) is evenly equipped on the excircle of the double-deck side pulling round ring (6).
8. bilayer side pulling round ring lining structure as claimed in claim 7 carries out the construction method of dual-layer lining, feature exists
In: on process face (1), the number of the bolt (2) is 60-130/square metres.
9. bilayer side pulling round ring lining structure as claimed in claim 8 carries out the construction method of dual-layer lining, feature exists
In: the spacing of adjacent bolt (2) is in the range of 80mm to 120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297967.5A CN109404623A (en) | 2018-11-01 | 2018-11-01 | The double-deck side pulling round ring lining structure carries out the construction method of dual-layer lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297967.5A CN109404623A (en) | 2018-11-01 | 2018-11-01 | The double-deck side pulling round ring lining structure carries out the construction method of dual-layer lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109404623A true CN109404623A (en) | 2019-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811297967.5A Withdrawn CN109404623A (en) | 2018-11-01 | 2018-11-01 | The double-deck side pulling round ring lining structure carries out the construction method of dual-layer lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404623A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2605422A1 (en) * | 1975-02-12 | 1976-08-26 | Projekt Wasserwirtschaft Veb | Water pipe with corrosion resistant inner surface - has inner plastic lining anchored to intermediate layer of mortar |
| CN102518634A (en) * | 2011-12-28 | 2012-06-27 | 洛阳菲尔曼石化设备有限公司 | Method and hexmetal anchoring nail for fixing double-layer heat-insulating wear-resisting liner of flue |
| CN203730934U (en) * | 2014-01-13 | 2014-07-23 | 江阴市东发机械设备制造有限公司 | Smoke-gathering combined pipe of regenerator |
| CN104121428A (en) * | 2014-07-16 | 2014-10-29 | 山东石大胜华化工集团股份有限公司 | External heating flue gas return line for bio-fuel device and manufacturing method thereof |
| CN204648955U (en) * | 2015-03-27 | 2015-09-16 | 天津振普筑炉衬里工程有限公司 | A kind of double-deck formwork monolithc lining flame retardant coating anchoring piece |
| CN204646913U (en) * | 2015-04-23 | 2015-09-16 | 天津固特节能环保科技有限公司 | In a kind of petroleum chemical industry catalysis device hexsteel heat insulation and wear resistance dual-layer lining structure, thermal-protective coating can realize the anchor nails of formwork cast |
| CN205534847U (en) * | 2016-01-20 | 2016-08-31 | 中石化洛阳工程有限公司 | Thermal -insulated wear -resisting lining is with side pull ring type anchor nail |
| CN106195463A (en) * | 2016-07-18 | 2016-12-07 | 河南省水利第二工程局 | A kind of pressure pipeline of water-tight corrosion-proof |
-
2018
- 2018-11-01 CN CN201811297967.5A patent/CN109404623A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2605422A1 (en) * | 1975-02-12 | 1976-08-26 | Projekt Wasserwirtschaft Veb | Water pipe with corrosion resistant inner surface - has inner plastic lining anchored to intermediate layer of mortar |
| CN102518634A (en) * | 2011-12-28 | 2012-06-27 | 洛阳菲尔曼石化设备有限公司 | Method and hexmetal anchoring nail for fixing double-layer heat-insulating wear-resisting liner of flue |
| CN203730934U (en) * | 2014-01-13 | 2014-07-23 | 江阴市东发机械设备制造有限公司 | Smoke-gathering combined pipe of regenerator |
| CN104121428A (en) * | 2014-07-16 | 2014-10-29 | 山东石大胜华化工集团股份有限公司 | External heating flue gas return line for bio-fuel device and manufacturing method thereof |
| CN204648955U (en) * | 2015-03-27 | 2015-09-16 | 天津振普筑炉衬里工程有限公司 | A kind of double-deck formwork monolithc lining flame retardant coating anchoring piece |
| CN204646913U (en) * | 2015-04-23 | 2015-09-16 | 天津固特节能环保科技有限公司 | In a kind of petroleum chemical industry catalysis device hexsteel heat insulation and wear resistance dual-layer lining structure, thermal-protective coating can realize the anchor nails of formwork cast |
| CN205534847U (en) * | 2016-01-20 | 2016-08-31 | 中石化洛阳工程有限公司 | Thermal -insulated wear -resisting lining is with side pull ring type anchor nail |
| CN106195463A (en) * | 2016-07-18 | 2016-12-07 | 河南省水利第二工程局 | A kind of pressure pipeline of water-tight corrosion-proof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230000 No. 98 Dongshan Road, Tianjiaan District, Huainan City, Hefei City, Anhui Province Applicant after: China National Chemical Engineering Third Construction Co., Ltd. Address before: 232038 No. 98 Dongshan Road, Tianjiaan District, Huainan City, Anhui Province Applicant before: China National Chemical Engineering Third Construction Co., Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190301 |