CN113831932A - Installation device and installation method for cracking furnace radiation coil - Google Patents
Installation device and installation method for cracking furnace radiation coil Download PDFInfo
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- CN113831932A CN113831932A CN202010513063.2A CN202010513063A CN113831932A CN 113831932 A CN113831932 A CN 113831932A CN 202010513063 A CN202010513063 A CN 202010513063A CN 113831932 A CN113831932 A CN 113831932A
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- 238000005336 cracking Methods 0.000 title claims abstract description 86
- 230000005855 radiation Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000000197 pyrolysis Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 238000010791 quenching Methods 0.000 abstract description 8
- 230000000171 quenching effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000012824 chemical production Methods 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000012856 packing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/18—Apparatus
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a device and a method for installing a radiant coil of a cracking furnace, which relate to the technical field of chemical production equipment and comprise the following steps: the operation door is detachably arranged on the end wall of the cracking furnace; the guide rail is arranged at the top of the cracking furnace; the mounting rack is detachably arranged on the guide rail and is in sliding fit with the guide rail, and the mounting rack can bear the radiation coil; the installation of auxiliary equipment such as a quenching heat exchanger and the like can be completed, then the whole set of radiation coil pipes can be installed, the construction is convenient, and manpower and material resources are saved.
Description
Technical Field
The invention belongs to the technical field of chemical production equipment, and particularly relates to a device and a method for mounting a radiant coil of a cracking furnace.
Background
The radiation coil is a core component of the ethylene cracking furnace, the ethylene cracking reaction is completed in a radiation coil cavity, the radiation coil runs under the high-temperature working condition, the radiation coil is positioned in a radiation section hearth, and the upper part of the radiation coil is connected with a quenching heat exchanger. Because the quench boiler is connected with complex stress pipelines such as a rising and falling pipe and the like, the quench boiler is generally not temporarily dismantled after initial installation.
For the initial installation of the radiant coil of the cracking furnace, generally, before the rapid cooling heat exchanger is installed, the whole group of radiant coils is hoisted into a hearth from a slotted steel on the top of the furnace, and then the rapid cooling heat exchanger is hoisted. The disadvantages of this approach are:
1. the hoisting radiation coil is used as a procedure immediately before hoisting the quenching heat exchanger, is positioned in a key path, and has higher requirement on the coordination of project purchasing and installation progress;
2. the radiant coil is hoisted into the hearth too early, and the surface of the radiant coil is easily stained in the later period in the construction process of refractory materials.
Because the radiant coil has higher operating temperature, the radiant coil needs to be replaced in a whole group after being used for a certain period of time, and for the replacement of the radiant coil after being used for a certain period of time, the radiant coil generally has the following two methods:
one is that the coil pipe enters the hearth from a manhole door in a pipe section form and then is assembled and welded in the hearth; the method has the disadvantages of large on-site welding workload, difficult control of welding quality and assembly precision and longer construction period.
The other is that the whole group of radiant coils enters the hearth from the bottom of the furnace; the defects of the scheme are that the combustor and the related pipelines at the bottom of the cracking furnace, the air preheater and the related pipelines, and the return hearth coking pipelines need to be temporarily dismantled, and the furnace tubes are restored after being in place, so that the construction scheme is complex and the technical difficulty is high; and the method needs to complete the rotation of the coil pipe from the horizontal state to the vertical state in the hearth, and is not easy to implement in a narrow hearth space.
Disclosure of Invention
The invention aims to provide a device and a method for installing a radiation coil of a cracking furnace, aiming at the defects in the prior art, so that the whole set of radiation coils can be installed after auxiliary equipment such as a quenching heat exchanger and the like is installed, the construction is convenient, and manpower and material resources are saved.
In order to achieve the above object, the present invention provides a mounting device for radiant coils of a cracking furnace, comprising:
the operation door is detachably arranged on the end wall of the cracking furnace;
the guide rail is arranged at the top of the cracking furnace;
the mounting bracket is detachably arranged on the guide rail and is in sliding fit with the guide rail, and the mounting bracket can bear the radiation coil.
Optionally, the guide rail is connected to a top beam of the cracking furnace.
Optionally, the number of the guide rails is two, the guide rails include a planar portion and a vertical portion, and the two guide rails are symmetrically disposed on two sides of the working door.
Optionally, the cross-section of guide rail is I-shaped, the downside of mounting bracket is provided with the gyro wheel, the both sides of gyro wheel are provided with the limiting plate.
Optionally, two sides of the mounting frame are provided with first guide wheels, the first guide wheels are in rolling fit with the vertical surface portion, the lower side of the mounting frame is provided with second guide wheels, and the second guide wheels are in rolling fit with the planar portion.
Optionally, the mounting frame comprises: two sub-mounting brackets and tie-beam, the both ends of two sub-mounting brackets are passed through the tie-beam can be dismantled the connection, and two be provided with the clearance between the sub-mounting bracket, the clearance can hold radiation coil.
Optionally, the sub-mounting frames include a rectangular frame, a cross beam is arranged inside the rectangular frame, an extension portion is arranged at one end, close to each other, of each of the two sub-mounting frames, and a reinforcing rib is arranged between the cross beam and the rectangular frame.
Optionally, the coil pipe packing frame is further included, and the connecting beam is detachably connected with the coil pipe packing frame.
Optionally, one end of the guide rail is connected with the cracking furnace, and the other end of the guide rail extends out of the cracking furnace.
The invention also provides an installation method of the cracking furnace radiation coil, which comprises the following steps:
arranging an operation door on the end wall of the cracking furnace;
arranging a guide rail at the top of the cracking furnace;
providing a mounting bracket in sliding fit with the guide rail;
carrying the radiant coil on the mounting;
and moving the mounting rack bearing the radiation coil to a coil mounting position in the cracking furnace through the operation door along the guide rail.
The invention provides a device and a method for installing a radiant coil of a cracking furnace, which have the beneficial effects that:
1. by arranging the guide rails and the mounting frame capable of mounting the whole set of radiation coil pipes, the whole set of radiation coil pipes can be mounted after auxiliary equipment such as a quenching heat exchanger and the like is mounted, and the mounting construction of the radiation coil pipes is simplified;
2. the radiation coil is installed after the furnace building of the hearth refractory material is finished, so that the pollution of cement gum, castable and the like to the surface of the furnace tube in the furnace building process can be reduced, the occupation time of the radiation coil in the hearth can be reduced, a sufficient operation space is provided for the furnace building, and the progress of the project can be promoted and the quality of the project can be improved;
3. for the condition that the whole group of the radiant coil pipes is replaced after the radiant coil pipes are used for a certain period of time, the device and the method can enable the whole group of the furnace pipes to enter a hearth, only the inlet and the outlet of the furnace pipes are required to be welded with external pipelines and equipment after the furnace pipes are in place, the components of the device are detachably connected, the device is convenient to install and disassemble, construction is convenient, and manpower and material resources are saved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 is a front view schematically showing a mounting device for a radiant coil of a cracking furnace according to a first embodiment of the invention.
Fig. 2 is a side view schematically showing a mounting device for a radiant coil of a cracking furnace according to a first embodiment of the invention.
Fig. 3 is a schematic top view of a mounting frame of a mounting device for radiant coils of a cracking furnace according to an embodiment of the invention.
Fig. 4 is a schematic front view showing a mounting device of a radiant coil of a cracking furnace according to a second embodiment of the invention.
Fig. 5 is a side view schematically showing the structure of a mounting device for a radiant coil of a cracking furnace according to a second embodiment of the invention.
Fig. 6 is a schematic top view of a mounting frame of a radiant coil mounting device of a cracking furnace according to a second embodiment of the invention.
Description of reference numerals:
1. an operation door; 2. a cracking furnace; 3. an end wall; 4. a guide rail; 5. a mounting frame; 6. a radiant coil; 7. a top beam; 8. a planar portion; 9. a vertical face part; 10. a first guide wheel; 11. a second guide wheel; 12. a sub-mount; 13. a connecting beam; 14. a rectangular frame; 15 cross beams; 16. an extension portion; 17. reinforcing ribs; 18. a coil pipe packing frame; 19 sets of frame bolts; 20. a force transfer bolt; 21. a roller; 22. and a limiting plate.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a device for installing a radiant coil of a cracking furnace, which comprises:
the operation door is detachably arranged on the end wall of the cracking furnace;
the guide rail is arranged at the top of the cracking furnace;
the mounting bracket, detachably set up on the guide rail, with guide rail sliding fit, the radiation coil pipe can be born to the mounting bracket.
Specifically, when the radiation coil in the cracking furnace is installed, the operation door is opened to provide an inlet for the radiation coil to enter, the radiation coil is fixed on the mounting frame on the bottom surface, then the mounting frame with the radiation coil fixed thereon is integrally hung on the guide rail, and the radiation coil is moved into the cracking furnace through the operation door through the sliding fit of the mounting frame and the guide rail; the whole set of radiation coil pipes can be installed after auxiliary equipment such as a quenching heat exchanger and the like is installed, the construction is simple, and manpower and material resources are saved.
Optionally, the guide rails are connected to a roof beam of the furnace.
Specifically, the guide rail can be arranged on a top beam of the cracking furnace, and the guide rail and the cracking furnace can be integrated when the cracking furnace is built.
In one example, the guide rails are provided in two, the guide rails include a flat surface portion and a vertical surface portion, and the two guide rails are symmetrically provided on both sides of the work door.
Specifically, two guide rail parallel arrangement are at the top of pyrolysis furnace, two plane portions with be in the coplanar, two vertical surface portion sets up in the outside of two plane portions, connect the groove that forms the U-shaped at the top of pyrolysis furnace with the top of pyrolysis furnace, the mounting bracket slides in the groove.
In another example, the guide rail is i-shaped in cross section, rollers are arranged on the lower side of the mounting frame, and limiting plates are arranged on two sides of each roller.
Specifically, the guide rail is made of I-shaped steel, the two I-shaped steel are arranged in parallel, the rollers on the lower side of the mounting frame are matched with the I-shaped steel in a rolling mode, the lower ends of the limiting plates on the two sides of the guide wheel are arranged on the two sides of the I-shaped steel, and the rollers are guaranteed to roll along the I-shaped steel.
Optionally, the spacing between the two guide rails is greater than the width of the work door.
Optionally, two sides of the mounting frame are provided with first guide wheels, the first guide wheels are in rolling fit with the vertical surface portion, the lower side of the mounting frame is provided with second guide wheels, and the second guide wheels are in rolling fit with the plane portion.
Specifically, the first guide wheel plays a guiding role, the distance between the first guide wheel and the vertical face part is 10-30mm, and the second guide wheel plays a bearing role and can roll on the plane part.
Optionally, the mounting frame comprises: two sub-mounting brackets and tie-beam, the connection can be dismantled through the tie-beam in the both ends of two sub-mounting brackets to be provided with the clearance between two sub-mounting brackets, the radiation coil pipe can be held in the clearance.
Specifically, two sub-mounting brackets are connected with the connecting beam through the group frame bolts to form a rectangular mounting bracket, and the connecting beam is provided with bolt holes for fixing the radiation coil.
Optionally, the sub-mounting frames include a rectangular frame, a cross beam is arranged inside the rectangular frame, an extending portion is arranged at one end, close to each other, of each of the two sub-mounting frames, and a reinforcing rib is arranged between the cross beam and the rectangular frame.
Optionally, the coil pipe packing frame is further included, and the connecting beam is detachably connected with the coil pipe packing frame.
Specifically, the connecting beam is connected with the coil pipe packaging frame through a force transmission bolt, and the extending part is detachably connected with the coil pipe packaging frame through a bolt.
Optionally, one end of the guide rail is connected with the cracking furnace, and the other end of the guide rail extends out of the cracking furnace.
Specifically, the mounting frame with the radiation coil fixed is firstly hung on a guide rail on the outer side of the cracking furnace, and then the mounting frame and the radiation coil are pulled into the cracking furnace along the guide rail by equipment such as a winch and the like, so that the radiation coil is convenient to hoist.
The invention also provides an installation method of the cracking furnace radiation coil, which comprises the following steps:
arranging an operation door on the end wall of the cracking furnace;
arranging a guide rail at the top of the cracking furnace;
providing a mounting frame in sliding fit with the guide rail;
carrying the radiant coil on a mounting frame;
and the mounting rack bearing the radiation coil is moved to the coil mounting position in the cracking furnace through the operation door along the guide rail.
Example one
As shown in fig. 1 to 3, the present invention provides a mounting device for a radiant coil of a cracking furnace, comprising:
the operation door 1 is detachably arranged on the end wall 3 of the cracking furnace 2;
the guide rail 4 is arranged at the top of the cracking furnace 2;
and the mounting frame 5 is detachably arranged on the guide rail 4 and is in sliding fit with the guide rail 4, and the mounting frame 5 can bear the radiant coil 6.
Optionally, the guide rails 4 are connected to the top beam 7 of the cracking furnace 2.
Alternatively, two guide rails 4 are provided, the guide rails 4 include a flat surface portion 8 and a standing surface portion 9, and the two guide rails 4 are symmetrically provided on both sides of the work door 1.
Optionally, two sides of the mounting bracket 5 are provided with first guide wheels 10, the first guide wheels 10 are in rolling fit with the vertical surface portion 9, the lower side of the mounting bracket 5 is provided with second guide wheels 11, and the second guide wheels 11 are in rolling fit with the planar portion 8.
Optionally, the mounting frame 5 comprises: two sub-mounting brackets 12 and tie-beam 13, the connection can be dismantled through tie-beam 13 at the both ends of two sub-mounting brackets 12 to be provided with the clearance between two sub-mounting brackets 12, the radiation coil 6 can be held in the clearance.
Optionally, the sub-mount 12 includes a rectangular frame 14, a cross beam 15 is disposed inside the rectangular frame 14, the cross beam 15 is provided with an extension 16 at one end of the two sub-mount 12 close to each other, and a reinforcing rib 17 is disposed between the cross beam 15 and the rectangular frame 14.
Optionally, the coil packaging frame 18 is further included, and the connecting beam 13 is detachably connected with the coil packaging frame 18.
Optionally, one end of the guide rail 4 is connected with the cracking furnace 2, and the other end extends out of the cracking furnace 2.
The invention also provides an installation method of the cracking furnace radiation coil, which comprises the following steps:
an operation door 1 is arranged on the end wall 3 of the cracking furnace 2;
a guide rail 4 is arranged at the top of the cracking furnace 2;
providing a mounting frame 5 in sliding engagement with the guide rail 4;
carrying the radiant coil 6 on a mounting 5;
the mounting frame 5 carrying the radiant coils 6 is moved along the rails 4 through the service door 1 to a coil mounting position within the furnace 2.
In summary, when the installation apparatus and the installation method for the radiant coil of the cracking furnace in the embodiment are practically applied, the detachable operation door 1 is firstly detached from the end wall 3 of the cracking furnace 2, the guide rail 4 is installed above the top beam 7 of the cracking furnace 2, and if the cracking furnace 2 is newly built, the guide rail 4 can be integrally and permanently installed with the cracking furnace 2, and can be directly used for installing the radiant coil 6. All loads in the installation process are transmitted to the top beam 7 of the cracking furnace 2 through the guide rail 4 and then transmitted to the furnace body steel frame, after the radiant coil 6 is transported to a project site, the coil packaging frame 18 is not detached on the ground, the frame assembling bolts 19 are loosened, the connecting beam 13 on the installation frame 5 is detached, the coil packaging frame 18 is fixed on the connecting beam 13 through the force transmission bolts 20, and then the connecting beam 13 is connected with the two sub-installation frames 12 through the frame assembling bolts 19. The extending parts 16 of the cross beams 15 of the two sub-mounting frames 12 are connected with the middle part of the coil pipe packing frame 18 through bolts, and the connecting beams 13 connect the two ends of the two sub-mounting frames 12 through frame assembling bolts 19. After the assembly is completed, the radiation coil 6, the coil packaging frame 18 and the mounting frame 5 are integrally hoisted to the guide rails 4, the second guide wheel is in contact with the plane portions 8 of the guide rails 4, the first guide wheel 10 is located between the vertical face portions 9 of the two guide rails 4, then the radiation coil 6, the coil packaging frame 18 and the mounting frame 5 are integrally horizontally pulled to the lower portions of the mounting positions of the radiation coil 6 along the guide rails 4 by using equipment such as a winch, the radiation coil 6 is kept in a vertical state in the whole process, and a certain height difference is kept between the upper end portions of the radiation coil 6 and the positioning height.
In another embodiment, if the guide rails 4 are temporarily installed, the guide rails 4 are hoisted and fixed on the top of the cracking furnace 2 before the radiant coil 6 is installed, and then the radiant coil 6 is hoisted by using the same method. The height difference between the upper end of the radiant coil 6 and the locating height is 50-200 mm.
Example two
As shown in fig. 4 to 6, the present invention provides a mounting device for a radiant coil of a cracking furnace, comprising:
the operation door 1 is detachably arranged on the end wall 3 of the cracking furnace 2;
the guide rail 4 is arranged at the top of the cracking furnace 2;
and the mounting frame 5 is detachably arranged on the guide rail 4 and is in sliding fit with the guide rail 4, and the mounting frame 5 can bear the radiant coil 6.
Optionally, the guide rails 4 are connected to the top beam 7 of the cracking furnace 2.
Optionally, the cross section of the guide rail 4 is i-shaped, the lower side of the mounting frame 5 is provided with a roller 21, and two sides of the roller 21 are provided with limiting plates 22.
Optionally, the mounting frame 5 comprises: two sub-mounting brackets 12 and tie-beam 13, the connection can be dismantled through tie-beam 13 at the both ends of two sub-mounting brackets 12 to be provided with the clearance between two sub-mounting brackets 12, the radiation coil 6 can be held in the clearance.
Optionally, the sub-mount 12 includes a rectangular frame 14, a cross beam 15 is disposed inside the rectangular frame 14, the cross beam 15 is provided with an extension 16 at one end of the two sub-mount 12 close to each other, and a reinforcing rib 17 is disposed between the cross beam 15 and the rectangular frame 14.
Optionally, the coil packaging frame 18 is further included, and the connecting beam 13 is detachably connected with the coil packaging frame 18.
Optionally, one end of the guide rail 4 is connected with the cracking furnace 2, and the other end extends out of the cracking furnace 2.
The invention also provides an installation method of the cracking furnace radiation coil, which comprises the following steps:
an operation door 1 is arranged on the end wall 3 of the cracking furnace 2;
a guide rail 4 is arranged at the top of the cracking furnace 2;
providing a mounting frame 5 in sliding engagement with the guide rail 4;
carrying the radiant coil 6 on a mounting 5;
the mounting frame 5 carrying the radiant coils 6 is moved along the rails 4 through the service door 1 to a coil mounting position within the furnace 2.
In summary, when the installation apparatus and the installation method for the radiant coil of the cracking furnace in the embodiment are practically applied, the detachable operation door 1 is firstly detached from the end wall 3 of the cracking furnace 2, the guide rail 4 is installed above the top beam 7 of the cracking furnace 2, and if the cracking furnace 2 is newly built, the guide rail 4 can be integrally and permanently installed with the cracking furnace 2, and can be directly used for installing the radiant coil 6. All loads in the installation process are transmitted to the top beam 7 of the cracking furnace 2 through the guide rail 4 and then transmitted to the furnace body steel frame, after the radiant coil 6 is transported to a project site, the coil packaging frame 18 is not detached on the ground, the frame assembling bolts 19 are loosened, the connecting beam 13 on the installation frame 5 is detached, the coil packaging frame 18 is fixed on the connecting beam 13 through the force transmission bolts 20, and then the connecting beam 13 is connected with the two sub-installation frames 12 through the frame assembling bolts 19. The extending parts 16 of the cross beams 15 of the two sub-mounting frames 12 are connected with the middle part of the coil pipe packing frame 18 through bolts, and the connecting beams 13 connect the two ends of the two sub-mounting frames 12 through frame assembling bolts 19. After the assembly is completed, the radiation coil 6, the coil packaging frame 18 and the mounting frame 5 are integrally hoisted to the guide rail 4, the roller 21 is in contact with the upper surface of the guide rail 4, the guide rail 4 is positioned between the limiting plates 22 on two sides of the roller 21, then the radiation coil 6, the coil packaging frame 18 and the mounting frame 5 are integrally horizontally dragged to the lower part of the mounting position of the radiation coil 6 along the guide rail 4 by using equipment such as a winch, the radiation coil 6 is kept in a vertical state in the whole process, and a certain height difference is kept between the upper end part of the radiation coil 6 and the positioning height.
In another embodiment, if the guide rails 4 are temporarily installed, the guide rails 4 are hoisted and fixed on the top of the cracking furnace 2 before the radiant coil 6 is installed, and then the radiant coil 6 is hoisted by using the same method. The height difference between the upper end of the radiant coil 6 and the locating height is 50-200 mm.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A mounting device for a radiant coil of a pyrolysis furnace, comprising:
the operation door is detachably arranged on the end wall of the cracking furnace;
the guide rail is arranged at the top of the cracking furnace;
the mounting bracket is detachably arranged on the guide rail and is in sliding fit with the guide rail, and the mounting bracket can bear the radiation coil.
2. The apparatus of claim 1, wherein the guide rails are connected to a top beam of the furnace.
3. The installation apparatus for radiant coils of a cracking furnace as claimed in claim 1, wherein the number of the guide rails is two, the guide rails include a plane portion and a vertical portion, and the two guide rails are symmetrically arranged on both sides of the operation door.
4. The installation device for the radiant coil of the cracking furnace as claimed in claim 1, wherein the cross section of the guide rail is in an I shape, the lower side of the installation frame is provided with rollers, and the two sides of the rollers are provided with limiting plates.
5. The radiant coil mounting apparatus for cracking furnaces as claimed in claim 3 wherein the mounting frame is provided with first guide wheels on both sides thereof, the first guide wheels are in rolling engagement with the vertical surface portion, and the mounting frame is provided with second guide wheels on the lower side thereof, the second guide wheels are in rolling engagement with the planar portion.
6. The apparatus of claim 1, wherein the mounting bracket comprises: two sub-mounting brackets and tie-beam, the both ends of two sub-mounting brackets are passed through the tie-beam can be dismantled the connection, and two be provided with the clearance between the sub-mounting bracket, the clearance can hold radiation coil.
7. The mounting device for the radiant coil of the cracking furnace as claimed in claim 6, wherein the sub-mounting frames comprise rectangular frames, the rectangular frames are internally provided with cross beams, the cross beams are provided with extending parts at the ends of the two sub-mounting frames close to each other, and reinforcing ribs are arranged between the cross beams and the rectangular frames.
8. The radiant coil mounting apparatus for a pyrolysis furnace as recited in claim 6 further comprising a coil encasement frame, wherein the attachment beam is removably attached to the coil encasement frame.
9. The apparatus as claimed in claim 1, wherein the guide rail is connected to the furnace at one end and extends out of the furnace at the other end.
10. A method of installing a radiant coil of a pyrolysis furnace comprising:
arranging an operation door on the end wall of the cracking furnace;
arranging a guide rail at the top of the cracking furnace;
providing a mounting bracket in sliding fit with the guide rail;
carrying the radiant coil on the mounting;
and moving the mounting rack bearing the radiation coil to a coil mounting position in the cracking furnace through the operation door along the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513063.2A CN113831932A (en) | 2020-06-08 | 2020-06-08 | Installation device and installation method for cracking furnace radiation coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513063.2A CN113831932A (en) | 2020-06-08 | 2020-06-08 | Installation device and installation method for cracking furnace radiation coil |
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| CN113831932A true CN113831932A (en) | 2021-12-24 |
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| CN202010513063.2A Pending CN113831932A (en) | 2020-06-08 | 2020-06-08 | Installation device and installation method for cracking furnace radiation coil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050695A1 (en) * | 2021-09-28 | 2023-04-06 | 上海商汤智能科技有限公司 | Face image generation method, face image recognition method and device |
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| CN102533310A (en) * | 2010-12-24 | 2012-07-04 | 中国石油化工集团公司 | Integral installation method of radiation coils for ethylene cracking furnace |
| CN103791733A (en) * | 2014-01-23 | 2014-05-14 | 贺颂钧 | Cooling tower with coil pipe heat exchange system and mounting method of coil pipe heat exchange system |
| CN104976894A (en) * | 2014-04-04 | 2015-10-14 | 中国石化工程建设有限公司 | Integral modular structure of industrial furnace and construction method |
| CN208720255U (en) * | 2018-05-09 | 2019-04-09 | 北京龙电宏泰环保科技有限公司 | A kind of side lifting construction system suitable for fluoroplastics flue gas heat-exchange unit |
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| WO2023050695A1 (en) * | 2021-09-28 | 2023-04-06 | 上海商汤智能科技有限公司 | Face image generation method, face image recognition method and device |
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