CN117287583A - Open type process compensation method - Google Patents
Open type process compensation method Download PDFInfo
- Publication number
- CN117287583A CN117287583A CN202311064965.2A CN202311064965A CN117287583A CN 117287583 A CN117287583 A CN 117287583A CN 202311064965 A CN202311064965 A CN 202311064965A CN 117287583 A CN117287583 A CN 117287583A
- Authority
- CN
- China
- Prior art keywords
- pipe
- smoke
- telescopic
- compensation method
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 79
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 15
- 239000010425 asbestos Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 10
- 229910052895 riebeckite Inorganic materials 0.000 claims description 10
- 241000270708 Testudinidae Species 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 241000208125 Nicotiana Species 0.000 description 17
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000001408 Carbon monoxide poisoning Diseases 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of a bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of a bellows or an expansible folded or corrugated tube with several corrugations
- F16L51/028—Expansion-compensation arrangements for pipe-lines making use of a bellows or an expansible folded or corrugated tube with several corrugations with the expansion or contraction of each corrugation being limited
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/14—Production of inert gas mixtures; Use of inert gases in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Compositions for or methods of fixing a thermally insulating material
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
- F16L59/135—Hangers or supports specially adapted for insulated pipes
-
- F27D17/002—
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses an open type process compensation method, which comprises the following steps: step 1: manufacturing expansion joints, and respectively manufacturing a plurality of smoke pipe bodies and a plurality of expansion pipes; step 2: the high-temperature-resistant protection device comprises a plurality of smoke tube bodies and inner cavities of telescopic tubes, wherein first protection components are arranged in the inner cavities of the smoke tube bodies and the telescopic tubes respectively; step 3: the adjusting pipeline is used for respectively enabling two adjacent heat-insulating pipe supports to be corresponding to one end of the adjacent smoke pipe body and one end of the telescopic pipe; step 4: the telescopic protection is realized, and a protection structure is arranged between two adjacent heat-preserving pipe brackets; step 5: and a second protection component is additionally arranged and is used for spraying nitrogen and reducing dust. According to the invention, the smoke pipe body, the telescopic pipe, the heat-insulating pipe support, the protection structure and the first protection component are matched, so that the telescopic effect of the smoke pipe can be realized, the high temperature resistance of the inner cavities of the telescopic pipe and the smoke pipe body can be conveniently increased, the external pipeline is effectively prevented from being deformed by heating, and the negative effects caused by the maintenance of workers and the production stopping of companies are avoided.
Description
Technical Field
The invention relates to the technical field of smoke tube industry, in particular to an open type process compensation method.
Background
The AOD furnace method, namely the argon oxygen decarburization method, is a more advanced technology for refining stainless steel, has the advantages of simple equipment, convenient operation, strong adaptability, low production cost and the like, is widely adopted, and an AOD smoke tube is one of important dust removal equipment of the AOD furnace, is connected to the outlet section of the AOD furnace and can discharge smoke to the AOD furnace.
In the production use, because AOD tobacco pipe exit section is nearer to the AOD stove, AOD tobacco pipe temperature is high especially, and tobacco pipe inner chamber temperature high temperature causes the tobacco pipe inflation, causes the tobacco pipe to warp, the welding seam is pulled apart, smoking phenomenon, and because the tobacco pipe outer wall temperature is close 700 ℃, then need to carry out stopping production cooling maintenance to the tobacco pipe restoration, stopping production maintenance causes certain influence to company's production economy, and not stopping production then is because of the tobacco pipe high temperature is too high, and the workman can't be close to welding restoration, and the workman exists high altitude construction and carbon monoxide poisoning accident hazard when maintaining the tobacco pipe.
In order to solve the above problems, an open process compensation method is provided.
Disclosure of Invention
The present invention is directed to an open process compensation method, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: an open process compensation method comprising the steps of:
step 1: manufacturing expansion joints, respectively manufacturing a plurality of smoke pipe bodies and a plurality of expansion pipes, and sleeving the expansion pipes in the inner cavities of two adjacent smoke pipe bodies;
step 2: the high-temperature-resistant protection device comprises a plurality of smoke tube bodies and inner cavities of telescopic tubes, wherein first protection components are arranged in the inner cavities of the smoke tube bodies and the telescopic tubes respectively;
step 3: the adjusting pipeline is used for respectively enabling two adjacent heat-insulating pipe supports to be corresponding to one end of the adjacent smoke pipe body and one end of the telescopic pipe, and the telescopic pipe and the inner cavity of the smoke pipe body slide and penetrate through each other to adjust the length;
step 4: the telescopic protection is realized, and a protection structure is arranged between two adjacent heat-preserving pipe brackets;
step 5: and a second protection component is additionally arranged and is used for spraying nitrogen and reducing dust.
Preferably, the diameter of the smoke tube body in the step 1 is 3 meters, the length of the smoke tube body is 2.95 meters, and the diameter of the telescopic tube is 2.95 meters, and the length of the telescopic tube is 2 meters.
Preferably, two limiting rings are welded at one end of the smoke tube body in the step 1, a fixing ring is welded at the other end of the telescopic tube, and the fixing ring is in sliding connection between the two limiting rings.
Preferably, a sealing filler is filled between the limiting ring and one of the heat insulation pipe brackets in the step 1.
Preferably, in the step 2, the first protection component includes a tortoise shell net and a high-temperature-resistant filler, the tortoise shell nets are welded and fixed on the inner walls of the plurality of smoke tube bodies and the inner walls of the telescopic tubes respectively, the high-temperature-resistant filler is refractory aggregate, and the high-temperature-resistant filler is poured in the inner cavity and the outer wall of the tortoise shell net.
Preferably, in the step 3, one of the heat-insulating pipe holders is fixed between the telescopic pipe and the smoke pipe body, and the other heat-insulating pipe holder is fixed at one end of the adjacent smoke pipe body, and the telescopic pipe is connected with one end of the inner cavity of the adjacent smoke pipe body in a sliding and penetrating manner.
Preferably, the protection structure in step 4 comprises a protection cover and asbestos cloth, the protection cover is made of elastic high-temperature-resistant materials, the asbestos cloth is fixed on the outer wall of the protection cover, and two ends of the protection cover are respectively fixed between two adjacent heat-insulation pipe brackets.
Preferably, the second protection component in step 5 comprises a pipe compensator and an annular nitrogen pipe, wherein the pipe compensator is fixedly embedded at one end of one of the smoke pipe bodies, and the annular nitrogen pipe is fixed in the inner cavity of one of the smoke pipe bodies.
Preferably, the annular nitrogen pipe is made of high-temperature resistant metal, a plurality of metal spray heads are fixedly embedded in the inner wall of the annular nitrogen pipe in an annular array, and the outer wall of the annular nitrogen pipe is connected with an external nitrogen source through a vent pipe.
The invention has the technical effects and advantages that:
(1) The invention utilizes the arrangement mode of the smoke pipe body, the telescopic pipe, the heat preservation pipe support, the protection structure and the first protection component to be matched, and the structure of the big pipe sleeve and the small pipe is convenient to realize through the smoke pipe body, the telescopic pipe can realize the telescopic effect, the telescopic distance between the smoke pipe body and the adjacent telescopic pipe is convenient to control through the protection structure, the tightness between the telescopic pipe and the smoke pipe body is convenient to be increased, smoke is prevented, the high temperature resistance of the inner cavities of the telescopic pipe and the smoke pipe body is convenient to be increased through the first protection component, the external pipeline is effectively prevented from being deformed due to heating, the phenomenon of damage of the smoke pipe due to high temperature is reduced, and the negative effects caused by the maintenance of workers and the shutdown of companies are avoided;
(2) According to the invention, by means of the arrangement mode that the sealing filler is matched with the second protection component, the telescopic pipe and the smoke pipe body can slide through the sealing filler, and meanwhile, the tightness between the telescopic pipe and the smoke pipe body can be improved, so that a pipeline formed by the smoke pipe body and the telescopic pipe can stably carry out smoke discharging treatment on an AOD furnace, and the second protection component can improve the retractility of the pipeline and reduce the dust concentration.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the front cross-sectional structure of the telescopic tube of the present invention.
FIG. 3 is a schematic diagram of a front cross-sectional structure of a pipe compensator of the present invention.
Fig. 4 is a schematic diagram of a local structure of a tortoise shell net according to the present invention.
Fig. 5 is a schematic diagram showing a failure of a conventional smoke tube.
In the figure: 1. a smoke tube body; 2. a telescopic tube; 3. a heat-insulating pipe support; 4. sealing filler; 5. a limiting ring; 6. a protective structure; 61. a protective cover; 62. asbestos cloth; 7. a first guard assembly; 71. tortoise shell net; 72. high temperature resistant filler; 8. a second shield assembly; 81. a pipe compensator; 82. an annular nitrogen pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention provides an open process compensation method as shown in fig. 1-5, comprising the steps of;
step 1: manufacturing expansion joints, respectively manufacturing a plurality of smoke pipe bodies 1 and a plurality of expansion pipes 2, wherein the diameter of the designed and manufactured smoke pipe bodies 1 is 3 meters, the length of the designed and manufactured smoke pipe bodies is 2.95 meters, the diameter of the expansion pipe 2 is 2.95 meters, the length of the expansion pipe 2 is 2 meters, the expansion pipe 2 is sleeved in the inner cavities of two adjacent smoke pipe bodies 1, so that the expansion joint is in a large pipe sleeve and small pipe structure, the expansion effect of the smoke pipe can be conveniently realized, the length of the smoke pipe formed by the smoke pipe bodies 1 and the expansion pipe 2 is not limited, the open type design is adopted, the self-adjustment of the length of the smoke pipe is conveniently carried out according to the high temperature and air flow impact of the exhausted smoke, two limiting rings 5 are welded at one end of the smoke pipe bodies 1, the limiting rings 5 are made of high temperature resistant metal materials, the other ends of the expansion pipe 2 are welded with fixing rings which are made of the high temperature resistant metal materials, the fixing rings are in sliding connection between the two limiting rings 5, the fixing rings of the telescopic pipe cannot be separated from the space between the two limiting rings 5, the other end of the telescopic pipe 2 of the telescopic pipe can slide in a telescopic way between the two limiting rings 5, the telescopic distance of the telescopic pipe can be 200-500 mm, the telescopic distance of the telescopic pipe cannot be too large, the telescopic pipe cannot expand due to small smoke discharging space, the pipe is convenient to effectively adjust the length of the pipe, sealing filler 4 is filled between the limiting rings 5 and one of the heat-insulating pipe supports 3, the sealing filler 4 is made of the existing material, the sealing performance between the smoke pipe body 1 and the telescopic pipe 2 sliding mutually can be improved, the sliding between the smoke pipe body 1 and the adjacent telescopic pipe 2 is not influenced, the telescopic stability between the smoke pipe bodies 1 and the telescopic pipe 2 is facilitated, and the leakage of high-temperature smoke is reduced;
step 2: the high-temperature-resistant protection device comprises a plurality of smoke pipe bodies 1 and inner cavities of telescopic pipes 2, wherein a first protection component 7 is arranged in each of the inner cavities of the smoke pipe bodies 1 and the telescopic pipes 2, the first protection component 7 comprises a tortoiseshell net 71 and a high-temperature-resistant filler 72, the tortoiseshell nets 71 are respectively welded and fixed on the inner walls of the smoke pipe bodies 1 and the inner walls of the telescopic pipes 2, the tortoiseshell net 71 is of a circular sleeve structure in each of the inner cavities of the smoke pipe bodies 1 and the telescopic pipes 2, the tortoiseshell net 71 is made of a high-temperature-resistant and corrosion-resistant special metal material, the six sides of the hexagon three-dimensional net structure are communicated with each other, the high-temperature-resistant filler 72 is refractory aggregate, the high-temperature-resistant filler 72 is poured in the inner cavities and the outer walls of the tortoiseshell net 71, the service life of the tortoiseshell net 71 can be prolonged, the refractory materials are not peeled off, the high-temperature-resistant, corrosion-resistant and wear-resistant functions are realized, and the high-resistant performances of the tortoiseshell net 1 and the telescopic pipes 2 are improved, the body 1 and the telescopic pipes 2 are not deformed, the smoke pipe 1 and the smoke pipe 2 are not required to be pulled at random at high temperature, and the stability in use is improved;
step 3: the adjusting pipeline is used for respectively enabling two adjacent heat-insulating pipe supports 3 to be correspondingly arranged at one end of the adjacent smoke pipe body 1 and one end of the telescopic pipe 2, the telescopic pipe 2 and the inner cavity of the smoke pipe body 1 are in sliding insertion and adjustment for length, one heat-insulating pipe support 3 is respectively fixed between the telescopic pipe 2 and the smoke pipe body 1, the other heat-insulating pipe support 3 is fixed at one end of the adjacent smoke pipe body 1, the telescopic pipe 2 is in sliding insertion and connection with one end of the inner cavity of the adjacent smoke pipe body 1, and the stability of connection between the telescopic pipe 2 and the smoke pipe body 1 is improved conveniently through the heat-insulating pipe supports 3;
step 4: the telescopic protection, set up the protective structure 6 between two adjacent heat preservation pipe brackets 3, the protective structure 6 contains protective cover 61 and asbestos cloth 62, the protective cover 61 is the high temperature resistant material of elasticity, the material of protective cover 61 is unrestricted, asbestos cloth 62 is fixed in the outer wall of protective cover 61, the both ends of protective cover 61 are fixed in between two adjacent heat preservation pipe brackets 3 respectively, the both ends of asbestos cloth 62 are fixed in between two adjacent heat preservation pipe brackets 3 respectively, through asbestos cloth 62 and protective cover 61, can control the sliding distance between flexible pipe 2 and the adjacent tobacco pipe body 1, simultaneously through the heat resistance, corrosion resistance and thermal insulation performance of asbestos cloth 62, can improve the leakproofness between flexible pipe 2 and the adjacent tobacco pipe body 1, reduce the outflow of flue gas from flexible pipe 2 and one end of the tobacco pipe body 1 of sliding again, improve the stability of the tobacco pipe technology compensation technique;
step 5: install the second protection component 8 additional for spray nitrogen gas, reduce the dust, the second protection component 8 contains pipeline compensator 81 and annular nitrogen pipe 82, pipeline compensator 81 is fixed to be inlayed and is located one end of one of them tobacco pipe body 1, pipeline compensator 81 is used for compensating the expansion with heat and shrinkage that produce because of receiving the temperature variation in the pipeline, can cooperate flexible pipe 2 to carry out the pipeline compensation because of the inflation of high temperature to the tobacco pipe pipeline, can increase the space of pipeline, make its high temperature down gaseous have sufficient space to discharge, reduce the trouble of expansion deformation, annular nitrogen pipe 82 is fixed in the inner chamber of one of them tobacco pipe body 1, annular nitrogen pipe 82 is high temperature resistant metal material, annular nitrogen pipe 82's inner wall is annular array fixedly inlayed and is equipped with a plurality of metal shower nozzles, annular nitrogen pipe 82's outer wall is connected with external nitrogen source through the breather pipe, nitrogen is inert gas, annular nitrogen gas through a plurality of metal shower nozzles sprays, be convenient for carry out nitrogen spraying to the high temperature flue gas that one of the inner chamber of these tobacco pipe body 1 circulate, can reduce the dust concentration in the flue gas, and can reduce the welding oxidation phenomenon between pipeline compensator 81 and the body 1, the high temperature, improve life, reduce maintenance probability and reduce the maintenance and send the trouble and reduce the economic failure that causes the carbon monoxide to the production accident of the high-expansion of pipeline.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. An open process compensation method, comprising the steps of:
step 1: manufacturing expansion joints, respectively manufacturing a plurality of smoke pipe bodies (1) and a plurality of expansion pipes (2), and sleeving the expansion pipes (2) in the inner cavities of two adjacent smoke pipe bodies (1);
step 2: the high-temperature-resistant protection device comprises a plurality of smoke tube bodies (1) and inner cavities of telescopic tubes (2), wherein first protection components (7) are arranged in the inner cavities of the smoke tube bodies;
step 3: the adjusting pipeline is used for respectively enabling two adjacent heat-insulating pipe supports (3) to be correspondingly arranged at one end of the adjacent smoke pipe body (1) and one end of the telescopic pipe (2), and the telescopic pipe (2) and the inner cavity of the smoke pipe body (1) are in sliding insertion and length adjustment;
step 4: a protection structure (6) is arranged between two adjacent heat-preservation pipe brackets (3);
step 5: and a second protection component (8) is additionally arranged and is used for spraying nitrogen and reducing dust.
2. An open-type process compensation method according to claim 1, characterized in that the diameter of the smoke tube body (1) in the step 1 is 3 m and the length thereof is 2.95 m, and the diameter of the telescopic tube (2) is 2.95 m and the length thereof is 2 m.
3. An open type process compensation method according to claim 2, wherein in the step 1, one end of the smoke tube body (1) is welded with two limiting rings (5), the other end of the telescopic tube (2) is welded with a fixed ring, and the fixed ring is slidably connected between the two limiting rings (5).
4. An open process compensation method according to claim 3, characterized in that a sealing filler (4) is filled between the stop collar (5) and one of the holding tube holders (3) in step 1.
5. An open-type process compensation method according to claim 2, wherein in the step 2, the first protection component (7) comprises a tortoise shell net (71) and a high-temperature-resistant filler (72), the tortoise shell nets (71) are welded and fixed on the inner walls of the plurality of smoke pipe bodies (1) and the inner walls of the telescopic pipes (2) respectively, the high-temperature-resistant filler (72) is refractory aggregate, and the high-temperature-resistant filler (72) is poured on the inner cavity and the outer wall of the tortoise shell net (71).
6. An open-type process compensation method according to claim 2, wherein in the step 3, one of the heat-insulating pipe holders (3) is respectively fixed between the telescopic pipe (2) and the smoke pipe body (1), the other heat-insulating pipe holder (3) is fixed at one end of the adjacent smoke pipe body (1), and the telescopic pipe (2) is connected with one end of the inner cavity of the adjacent smoke pipe body (1) in a sliding penetrating manner.
7. An open type process compensation method according to claim 2, wherein the protective structure (6) in the step 4 comprises a protective cover (61) and asbestos cloth (62), the protective cover (61) is made of elastic high temperature resistant material, the asbestos cloth (62) is fixed on the outer wall of the protective cover (61), and two ends of the protective cover (61) are respectively fixed between two adjacent heat insulation pipe brackets (3).
8. An open process compensation method according to claim 2, wherein the second protection component (8) in step 5 comprises a pipe compensator (81) and an annular nitrogen pipe (82), the pipe compensator (81) is fixedly embedded at one end of one of the smoke pipe bodies (1), and the annular nitrogen pipe (82) is fixed in the inner cavity of one of the smoke pipe bodies (1).
9. The open type process compensation method according to claim 8, wherein the annular nitrogen pipe (82) is made of high-temperature resistant metal, the inner wall of the annular nitrogen pipe (82) is fixedly embedded with a plurality of metal spray heads in an annular array, and the outer wall of the annular nitrogen pipe (82) is connected with an external nitrogen source through a vent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311064965.2A CN117287583A (en) | 2023-08-22 | 2023-08-22 | Open type process compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311064965.2A CN117287583A (en) | 2023-08-22 | 2023-08-22 | Open type process compensation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117287583A true CN117287583A (en) | 2023-12-26 |
Family
ID=89257882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311064965.2A Pending CN117287583A (en) | 2023-08-22 | 2023-08-22 | Open type process compensation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117287583A (en) |
-
2023
- 2023-08-22 CN CN202311064965.2A patent/CN117287583A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204220334U (en) | A kind of denitrating flue gas directly sprays spraying urea liquid emitter | |
| CN117287583A (en) | Open type process compensation method | |
| CN101767243A (en) | Method for welding tuyere-cooler casing and blast furnace casing | |
| CN105003698A (en) | High-temperature-resistance anti-explosion valve and work method thereof | |
| CN109883713B (en) | Process spray pipe capable of reducing axial thermal stress | |
| CN203215677U (en) | Heat exchanger for radiant tube | |
| CN216404443U (en) | Metallurgical equipment desulfurization system spray gun dust removal sealing device | |
| CN115126956A (en) | Non-metal expansion joint and production method thereof | |
| CN211311508U (en) | Oxygen lance mouth cooling device | |
| CN110484856B (en) | Method for inhibiting oxidation of tube bank by high-frequency remelting gas protection of boiler membrane type wall coating | |
| JPS62267405A (en) | Method for absorbing thermal expansion of high-temperature and high-pressure piping | |
| CN216541321U (en) | Gas protection device for welding titanium alloy pipeline | |
| CN219342079U (en) | Burner supporting device | |
| CN209024470U (en) | The chilling device of coal gasifier down-comer | |
| CN219913957U (en) | Furnace face expansion joint | |
| US3214197A (en) | Fluid-conveying assemblies, particularly for fluid heaters | |
| CN102021265B (en) | Movable smoke hood of converter smoke system | |
| CN205368275U (en) | Novel blast orifice oxygen nozzle | |
| CN208898935U (en) | A kind of high-efficiency water cooling coherent oxygen lance | |
| CN216550510U (en) | Blast furnace tuyere small sleeve quick leakage detection device | |
| CN210596136U (en) | Thermal insulation device for blast furnace hot blast pipe system | |
| CN214148864U (en) | Vaporization cooling flue in converter waste heat boiler | |
| CN217815649U (en) | Non-metal expansion joint | |
| CN212007572U (en) | Online hot-blast temperature detect element seepage processing apparatus | |
| CN216845713U (en) | Sealing device for reducing heat exchange in polymerization furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |