CN112094166A - Anti-leakage mechanism for assembling waste boiler module for ethylene cracking furnace - Google Patents
Anti-leakage mechanism for assembling waste boiler module for ethylene cracking furnace Download PDFInfo
- Publication number
- CN112094166A CN112094166A CN202010961975.6A CN202010961975A CN112094166A CN 112094166 A CN112094166 A CN 112094166A CN 202010961975 A CN202010961975 A CN 202010961975A CN 112094166 A CN112094166 A CN 112094166A
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- China
- Prior art keywords
- fixedly connected
- wall
- main part
- pipeline
- cracking furnace
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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.)
- Granted
Links
- 238000005336 cracking Methods 0.000 title claims abstract description 24
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000005977 Ethylene Substances 0.000 title claims abstract description 22
- 239000002699 waste material Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000002390 adhesive tape Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 ethylene, propylene Chemical group 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
- C07C4/04—Thermal processes
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- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of ethylene cracking furnaces, in particular to a leakage-proof mechanism for assembling a waste boiler module for an ethylene cracking furnace, which comprises a first pipeline, wherein the left side of the first pipeline is fixedly connected with a first flange assembly, the first flange assembly comprises a first main body, the outer wall of the first main body is fixedly connected with a first support lug, the right side of the first main body is provided with a sealing groove, the inside of the sealing groove is fixedly connected with a sealing gasket, the edge of the inner wall of the first main body is connected with a high-temperature adhesive tape, and the right side of the first flange assembly is fixedly connected with a second flange assembly through a fastening assembly. The flange is connected in an extrusion mode, the influence of thermal acting force on the flange can be effectively avoided while sealing is realized, the sealing of the assembly position is further improved, and leakage is effectively prevented.
Description
Technical Field
The invention relates to the technical field of ethylene cracking furnaces, in particular to a leakage-proof mechanism for assembling waste boiler modules for an ethylene cracking furnace.
Background
The ethylene cracking furnace is used for processing cracking gas, and has the types of double radiation chambers, single radiation chamber and millisecond furnace, the ethylene cracking furnace is the core equipment of an ethylene production device, and is mainly used for processing various raw materials such as natural gas, refinery gas, crude oil, naphtha and the like into cracking gas, providing the cracking gas for other ethylene devices, and finally processing the cracking gas into ethylene, propylene and various byproducts, a waste heat boiler in the ethylene cracking furnace is the main production equipment, and the assembly sealing effect of the waste heat boiler and the main production equipment directly influences the production efficiency of the equipment.
However, the conventional assembling method of the ethylene cracking furnace and the waste heat boiler usually adopts a bolt flange fixing method for assembling, an internal furnace tube generates acting force on the flange, a large amount of axial temperature difference exists at the periphery of the flange, and certain influence is caused on the bolt, the sealing effect of the flange is seriously influenced by the factors, and the flange joint is leaked.
Therefore, it is necessary to provide a leakage preventing mechanism for assembling the waste boiler module of the ethylene cracking furnace to solve the above problems.
Disclosure of Invention
The invention aims to provide a leakage-proof mechanism for assembling waste boiler modules for an ethylene cracking furnace, which aims to solve the problems that leakage is easy to occur and a pipeline leakage point cannot be detected in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ethylene cracking furnace is with preventing leakage mechanism during assembly of useless pot module, includes first pipeline, the first flange subassembly of left side fixedly connected with of first pipeline, first flange subassembly includes first main part, the first journal stirrup of the first outer wall fixedly connected with of first main part, the spacing groove has been seted up in the left side of first journal stirrup, the seal groove has been seted up on the right side of first main part, the sealed pad of inside fixedly connected with of seal groove, the inner wall edge connection of first main part has the high temperature adhesive tape, fastening component fixedly connected with second flange subassembly is passed through to the right side of first flange subassembly, the right side fixedly connected with second pipeline of second flange subassembly.
Further, the first pipeline comprises an outer pipe, an observation port is formed in the outer portion of the outer pipe, a detection strip is fixedly connected to the inner wall of the outer pipe, a steel wire layer is fixedly connected to the inner portion of the detection strip, and an inner pipe is fixed to the inner wall of the steel wire layer.
Furthermore, the detection strips are provided with four groups and evenly distributed on the outer wall of the steel wire layer, the inner wall of the outer tube is provided with a groove, the observation ports are of a transparent structure, the observation ports are provided with four groups and evenly distributed outside the detection strips, and the width of each observation port is larger than that of each detection strip.
Further, the second flange subassembly includes the second main part, the outer wall fixedly connected with second journal stirrup of second main part, the left side of second main part is provided with the sealing ring, the second journal stirrup is provided with six, and evenly distributed is at the outer wall of second main part, the sealing ring is the loop configuration, and outer wall fixedly connected with soft cushion.
Further, fastening components includes the support, the support passes through axis of rotation swing joint in the outside of second journal stirrup, the both ends of axis of rotation all fixedly connected with end cover, the left side fixedly connected with top cap of support, the internal connection of top cap has the threaded rod, the right-hand member fixedly connected with clamp plate of threaded rod.
Further, the inside fixedly connected with screw sleeve of top cap, the left end fixedly connected with of threaded rod rotates the handle, the right-hand member face of clamp plate is provided with anti-skidding line, the support is through axis of rotation and second journal stirrup be the rotation connection.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the traditional bolt flange is improved, and the traditional bolt fastening is changed into the external threaded rod extrusion mode for fastening and sealing, so that the structure can minimize the thermal action force generated by the furnace tube in the waste heat boiler, avoid the influence of axial temperature difference on the bolt, further effectively avoid the flange connection leakage caused by the influence of the temperature difference, further play a role in sealing the assembly point, and play a good role in preventing leakage.
2. According to the invention, the detection strip is arranged in the pipeline, and the pipeline generates color change when meeting high-temperature gas, so that when the pipeline cracks, the high-temperature gas can contact the detection strip to generate the color change characteristic due to sweating, and the detection is carried out through the external observation port, so that the leakage point of the pipeline can be found in time, and the pipeline can be repaired in time, thereby reducing the danger to the minimum, in addition, the toughness of the pipeline is further increased through the arrangement of the steel wire layer, the service life of the pipeline is prolonged, and the crack is avoided.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic view of the main structure of the pipe of the present invention;
FIG. 3 is a schematic structural view of a first flange according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first flange of the present invention;
fig. 5 is a schematic view of a flange connection structure according to the present invention.
In the figure: 1. a first conduit; 11. an outer tube; 12. a viewing port; 13. a test strip; 14. a steel wire layer; 15. an inner tube; 2. a first flange assembly; 21. a first body; 22. a first lug; 23. a limiting groove; 24. a sealing groove; 25. a gasket; 26. a high temperature adhesive tape; 3. a second flange assembly; 31. a second body; 32. a second lug; 33. a seal ring; 4. a second conduit; 5. a fastening assembly; 51. a support; 52. a top cover; 53. a threaded rod; 54. pressing a plate; 55. an end cap; 56. and rotating the shaft.
Detailed Description
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. 1-5, an embodiment of the present invention is shown:
a leakage-proof mechanism for assembling a waste boiler module for an ethylene cracking furnace comprises a first pipeline 1, a first flange component 2 is fixedly connected to the left side of the first pipeline 1, the first flange component 2 comprises a first main body 21, a first lug 22 is fixedly connected to the outer wall of the first main body 21, a limiting groove 23 is formed in the left side of the first lug 22, a sealing groove 24 is formed in the right side of the first main body 21, a sealing gasket 25 is fixedly connected to the inside of the sealing groove 24, a high-temperature rubber strip 26 is connected to the edge of the inner wall of the first main body 21, the sealing effect is achieved through the arrangement of the sealing gasket 25 and the high-temperature rubber strip 26, the high-temperature rubber strip 26 adopts high-performance heat-resistant resin, its high temperature resistance in, has good toughness, can not lead to breaking to take place deformation because of the extrusion, and fastening components 5 fixedly connected with second flange subassembly 3 is passed through on the right side of first flange subassembly 2, and the right side fixedly connected with second pipeline 4 of second flange subassembly 3.
The detection strips 13 are provided with four groups and are uniformly distributed on the outer wall of the steel wire layer 14, the inner wall of the outer tube 11 is provided with a groove, the observation port 12 is of a transparent structure, the observation ports 12 are provided with four groups and are uniformly distributed outside the detection strips 13, and the width of the observation port 12 is larger than that of the detection strips 13, so that the detection strips 13 can be observed conveniently.
Fastening components 5 includes support 51, support 51 passes through axis of rotation 56 swing joint in the outside of second journal stirrup 32, the both ends fixedly connected with end cover 55 of axis of rotation 56, support 51's left side fixedly connected with top cap 52, the internal connection of top cap 52 has threaded rod 53, the right-hand member fixedly connected with clamp plate 54 of threaded rod 53, rotation through support 51, realize threaded rod 53's rotation, further control clamp plate 54 removes to the right side, realize first main part 21 and second main part 31's sealed through cooperation spacing groove 23, and inside produced thermal action force can be avoided to this structure, and then improve the sealed effect of its assembly, play good leak-proof effect.
The inside fixedly connected with threaded sleeve of top cap 52, the left end fixedly connected with of threaded rod 53 is rotatory handle, is convenient for rotate threaded rod 53, saves strength, and easy to assemble uses, and the right-hand member face of clamp plate 54 is provided with anti-skidding line, avoids appearing sliding, increases its stable effect, and support 51 is through axis of rotation 56 and second journal stirrup 32 to be rotated and is connected, through pivoted setting up easy to assemble and dismantlement, and do not take up space.
The working principle is as follows: the invention is installed manually, firstly, the first pipeline 1 is welded with the first flange component 2, the second pipeline 4 is welded with the second flange component 3, the first flange component 2 is connected with the second flange component 3 through the fastening component 5, the sealing ring 33 is matched with the sealing groove 24 in installation, the pressing plate 54 is positioned above the limiting groove 23 through the rotating bracket 51, the displacement of the pressing plate 54 is realized through the rotating threaded rod 53, the fastening of the pressing plate 54 on the limiting groove 23 is realized, further, the fastening of the first main body 21 and the second main body 31 is realized, the sealing gasket 25 and the high-temperature rubber strip 26 can be extruded through extrusion while the extrusion fastening is realized, the sealing of the first main body 21 and the second main body 31 can be further realized, the high-temperature rubber strip 26 has the characteristic of expansion when meeting high temperature, and the leakage-proof effect is further realized, when the pipeline crack leads to leaking in addition, when the high temperature gas of its leakage met detection strip 13, can lead to detection strip 13 to take place to change colour, further observes through viewing aperture 12, can in time discover the tiny crack that the pipeline produced, and then can ensure the timely change to the crack pipeline to with dangerous minimizing, not only play the dangerous emergence of the effect of preventing leaking still fine suppression.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a leak-proof mechanism when ethylene cracking furnace is assembled with useless pot module, includes first pipeline (1), its characterized in that: the utility model discloses a pipeline structure, including the first flange subassembly of left side fixedly connected with (2) of first pipeline (1), first flange subassembly (2) include first main part (21), the first journal stirrup (22) of outer wall fixedly connected with of first main part (21), spacing groove (23) have been seted up in the left side of first journal stirrup (22), seal groove (24) have been seted up on the right side of first main part (21), the sealed pad (25) of inside fixedly connected with of seal groove (24), the inner wall edge connection of first main part (21) has high temperature adhesive tape (26), fastening component (5) fixedly connected with second flange subassembly (3) is passed through on the right side of first flange subassembly (2), the right side fixedly connected with second pipeline (4) of second flange subassembly (3).
2. The anti-leakage mechanism for assembling the waste boiler module for the ethylene cracking furnace, according to claim 1, is characterized in that: the first pipeline (1) comprises an outer pipe (11), an observation port (12) is arranged outside the outer pipe (11), a detection strip (13) is fixedly connected to the inner wall of the outer pipe (11), a steel wire layer (14) is fixedly connected to the inner portion of the detection strip (13), and an inner pipe (15) is fixed to the inner wall of the steel wire layer (14).
3. The anti-leakage mechanism for assembling the waste boiler module for the ethylene cracking furnace, according to claim 2, is characterized in that: the detection strip (13) is provided with four groups, and is evenly distributed on the outer wall of the steel wire layer (14), the inner wall of the outer tube (11) is provided with a groove, the observation port (12) is of a transparent structure, the observation port (12) is provided with four groups, and is evenly distributed outside the detection strip (13), and the width of the observation port (12) is greater than that of the detection strip (13).
4. The anti-leakage mechanism for assembling the waste boiler module for the ethylene cracking furnace, according to claim 1, is characterized in that: second flange subassembly (3) include second main part (31), outer wall fixedly connected with second journal stirrup (32) of second main part (31), the left side of second main part (31) is provided with sealing ring (33), second journal stirrup (32) are provided with six, and evenly distributed is at the outer wall of second main part (31), sealing ring (33) are the loop configuration, and outer wall fixedly connected with soft cushion.
5. The anti-leakage mechanism for assembling the waste boiler module for the ethylene cracking furnace, according to claim 1, is characterized in that: fastening components (5) include support (51), support (51) are through axis of rotation (56) swing joint in the outside of second journal stirrup (32), both ends of axis of rotation (56) are fixedly connected with end cover (55), left side fixedly connected with top cap (52) of support (51), the internal connection of top cap (52) has threaded rod (53), the right-hand member fixedly connected with clamp plate (54) of threaded rod (53).
6. The anti-leakage mechanism for assembling the waste boiler module for the ethylene cracking furnace, according to claim 5, is characterized in that: the inside fixedly connected with screw sleeve of top cap (52), the left end fixedly connected with rotation handle of threaded rod (53), the right-hand member face of clamp plate (54) is provided with anti-skidding line, support (51) are rotation connection through axis of rotation (56) and second journal stirrup (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961975.6A CN112094166B (en) | 2020-09-14 | 2020-09-14 | Leakage-proof mechanism for assembling waste pot module for ethylene cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961975.6A CN112094166B (en) | 2020-09-14 | 2020-09-14 | Leakage-proof mechanism for assembling waste pot module for ethylene cracking furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112094166A true CN112094166A (en) | 2020-12-18 |
| CN112094166B CN112094166B (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010961975.6A Active CN112094166B (en) | 2020-09-14 | 2020-09-14 | Leakage-proof mechanism for assembling waste pot module for ethylene cracking furnace |
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| Country | Link |
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| CN (1) | CN112094166B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265268A (en) * | 2021-05-20 | 2021-08-17 | 江苏卓然智能重工有限公司 | Ethylene cracking furnace capable of efficiently inhibiting coking of furnace tube |
| CN114962827A (en) * | 2022-05-26 | 2022-08-30 | 北京韩建河山管业股份有限公司湖北分公司 | Insulating flange convenient for observing integrity of insulating part |
| CN115289111A (en) * | 2022-07-07 | 2022-11-04 | 深圳市科彩精密技术有限公司 | Flange for photovoltaic cell production equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265268A (en) * | 2021-05-20 | 2021-08-17 | 江苏卓然智能重工有限公司 | Ethylene cracking furnace capable of efficiently inhibiting coking of furnace tube |
| CN114962827A (en) * | 2022-05-26 | 2022-08-30 | 北京韩建河山管业股份有限公司湖北分公司 | Insulating flange convenient for observing integrity of insulating part |
| CN114962827B (en) * | 2022-05-26 | 2023-09-22 | 北京韩建河山管业股份有限公司 | Insulating flange convenient for observing integrity of insulating part |
| CN115289111A (en) * | 2022-07-07 | 2022-11-04 | 深圳市科彩精密技术有限公司 | Flange for photovoltaic cell production equipment |
| CN115289111B (en) * | 2022-07-07 | 2023-08-11 | 深圳市科彩精密技术有限公司 | Flange for photovoltaic cell production equipment |
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| Publication number | Publication date |
|---|---|
| CN112094166B (en) | 2023-12-08 |
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