Hoisting bracket for convection module of cracking furnace

Abstract

The utility model discloses a lifting frame for a convection module of a cracking furnace. The technical problem that in the prior art, a lifting frame is single in application range is solved. The hoisting hanging bracket is at least applied to hoisting of a first convection module and a second convection module and comprises two truss units, two or more first connecting assemblies and two or more second connecting assemblies. Each truss unit comprises an upper chord beam, a lower chord beam, a first stand column, two first lifting points arranged on the upper chord beam and two or more second lifting points arranged on the lower chord beam, and the second lifting points are used for being connected with the first convection modules. The first connecting assembly comprises a first upper cross beam and a first lower cross beam; the second connecting assembly comprises a second upper cross beam and a second lower cross beam, the second lower cross beam is provided with more than two third lifting points, and the third lifting points are used for being connected with a second convection module. The lifting points corresponding to the convection modules with different sizes are integrated on one set of lifting frame, so that the convection modules with different sizes can be lifted, and the manufacturing cost of the lifting frame is greatly saved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of hoisting, and particularly relates to a cracking furnace convection module hoisting hanger. BACKGROUND

[0002] The ethylene device cracking furnace is a key equipment in petroleum chemical production, and the ethylene device cracking furnace is divided into a gas furnace, a heavy furnace and a light furnace. The sizes of the convection modules of the heavy furnace and the light furnace are consistent, the hoisting points are consistent, and the size of the convection module of the gas furnace is relatively small. In the prior art, two sets of hoisting hangers are usually made, and a single set of hoisting hanger has a single application range, and the method has high investment cost. SUMMARY

[0003] To solve the above technical problems, the application provides a cracking furnace convection module hoisting hanger.

[0004] The technical scheme adopted to achieve the purpose of the application is a cracking furnace convection module hoisting hanger, which is at least applied to the hoisting of a first convection module and a second convection module, the size of the first convection module is greater than that of the second convection module, and the cracking furnace convection module hoisting hanger comprises:

[0005] Two truss units, the two truss units are arranged in parallel and are spaced apart, the truss unit comprises an upper chord beam, a lower chord beam arranged opposite to the upper chord beam, two or more first vertical columns connected between the upper chord beam and the lower chord beam, two first hoisting points provided on the upper chord beam, and two or more second hoisting points provided on the lower chord beam, the first hoisting points are used for being connected with a hoisting device, and the second hoisting points are used for being connected with the first convection module;

[0006] Two or more first connecting assemblies, the first connecting assembly comprises a first upper cross beam and a first lower cross beam, the first upper cross beam is connected with two upper chord beams of the two truss units and two first vertical columns arranged opposite to each other of the two truss units, the first lower cross beam is connected with two lower chord beams of the two truss units and two first vertical columns arranged opposite to each other of the two truss units, and the first upper cross beam, the first lower cross beam and the corresponding two first vertical columns form a rectangular frame structure;

[0007] Two or more second connecting assemblies, the second connecting assembly comprises a second upper cross beam and a second lower cross beam, the second upper cross beam is connected with two upper chord beams of the two truss units, and the first lower cross beam is connected with two lower chord beams of the two truss units, the second lower cross beam is provided with two or more third hoisting points, and the third hoisting points are used for being connected with the second convection module.

[0008] In some embodiments, at least part of the first vertical columns correspond to the positions of the first hoisting points.

[0009] At least part of the first uprights correspond to the positions of the second lifting points.

[0010] In some embodiments, the second connecting assembly further comprises two oppositely arranged second uprights, both of which are connected with the second upper cross beam and the second lower cross beam, and the second uprights correspond to the positions of the third lifting points.

[0011] In some embodiments, at least part of the second lower cross beam has a size different from that of the first lower cross beam.

[0012] In some embodiments, the spacing between two adjacent first lower cross beams is not equal to the spacing between two adjacent second lower cross beams.

[0013] In some embodiments, the cracking furnace convection module hoisting hanger further comprises a plurality of diagonal braces, at least one diagonal brace is arranged between two adjacent first uprights, and both ends of the diagonal brace are connected with the upper chord and the lower chord, respectively.

[0014] In some embodiments, two adjacent diagonal braces are arranged at an angle or in parallel.

[0015] In some embodiments, one diagonal brace is arranged between two adjacent first uprights at the end of the truss unit.

[0016] Two or more diagonal braces are arranged between two adjacent first uprights at the middle of the truss unit.

[0017] In some embodiments, the cracking furnace convection module hoisting hanger further comprises at least one set of reinforcing members arranged between two upper chords and / or two lower chords.

[0018] In some embodiments, the reinforcing members comprise two staggered reinforcing rods, which are connected with two upper chords of two truss units and / or two lower chords of two truss units.

[0019] According to the technical scheme, the application provides a cracking furnace convection module hoisting crane, which is applied to hoisting of at least a first convection module and a second convection module, the size of the first convection module is larger than that of the second convection module, the cracking furnace convection module hoisting crane comprises two truss units, two groups of first connecting assemblies and two groups of second connecting assemblies; the two truss units are arranged in parallel and are spaced apart from each other, the truss unit comprises a top chord, a bottom chord arranged opposite to the top chord, two first vertical columns connecting the top chord and the bottom chord, two first lifting points arranged on the top chord and two second lifting points arranged on the bottom chord, the first lifting points are used for being connected with a hoisting device, and the second lifting points are used for being connected with the first convection module; the first connecting assembly comprises a first upper cross beam and a first lower cross beam, the first upper cross beam is connected with two top chords of the two truss units and two first vertical columns arranged opposite to each other of the two truss units, the first lower cross beam is connected with two bottom chords of the two truss units and two first vertical columns arranged opposite to each other of the two truss units, and the first upper cross beam, the first lower cross beam and the corresponding two first vertical columns form a rectangular frame structure; the second connecting assembly comprises a second upper cross beam and a second lower cross beam, the second upper cross beam is connected with two top chords of the two truss units, and the second lower cross beam is connected with two bottom chords of the two truss units, and the second lower cross beam is provided with two third lifting points, and the third lifting points are used for being connected with the second convection module.

[0020] The application can manufacture the truss unit for the large-size first convection module, and then arrange the second lifting points on the bottom chords of the truss units corresponding to the large-size first convection module; the small-size second convection module is arranged with the corresponding second connecting assembly because the width of the second convection module is small, and the lifting points are projected between the two truss units, and then the second lifting points are arranged on the second lower cross beam. The second lifting points corresponding to the first convection module and the third lifting points corresponding to the second convection module are arranged on the bottom of the crane, so that the same crane can match at least two kinds of convection modules. That is, the lifting points corresponding to the convection modules of different sizes can be integrated on a set of hoisting cranes, the hoisting of the convection modules of different sizes can be realized, and the manufacturing cost of the crane is greatly saved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 FIG. 1 is a structural schematic view of a cracking furnace convection module hoisting crane in the embodiment of the application.

[0022] Figure 2 FIG. 2 is a sectional view of the cracking furnace convection module hoisting crane in the embodiment of the application. Figure 1 FIG. 3 is a top view of the cracking furnace convection module hoisting crane in the embodiment of the application.

[0023] Figure 3 FIG. 4 is a perspective view of the cracking furnace convection module hoisting crane in the embodiment of the application without lifting points.

[0024] Figure 4 FIG. 5 is a sectional view of the cracking furnace convection module hoisting crane in the embodiment of the application without lifting points. Figure 1Left view of the lifting hanger of the middle split furnace convection module.

[0025] Figure 5 For Figure 4 Structural schematic view of the second connecting assembly.

[0026] Explanation of reference numerals: 100 - lifting hanger of the split furnace convection module, 110 - truss unit, 111 - upper chord beam, 112 - lower chord beam, 113 - first vertical column, 114 - diagonal brace, 115 - first lifting point, 116 - second lifting point, 120 - first connecting assembly, 121 - first upper cross beam, 122 - first lower cross beam, 130 - second connecting assembly, 131 - second upper cross beam, 132 - second lower cross beam, 133 - second vertical column, 134 - third lifting point, 140 - reinforcing member, 141 - reinforcing rod. DETAILED DESCRIPTION

[0027] In order to make the skilled in the art to which the present application belongs more clearly understand the present application, the technical solutions of the present application are described in detail below with specific embodiments in combination with the accompanying drawings.

[0028] In the embodiments of the present application, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a cracking furnace convection module hoisting hanger 100 is applied to hoisting of at least a first convection module and a second convection module, the first convection module is larger in size than the second convection module, the cracking furnace convection module hoisting hanger 100 comprises two truss units 110, two groups of first connecting assemblies 120 and two groups of second connecting assemblies 130; the two truss units 110 are arranged in parallel and spaced apart, the truss unit 110 comprises an upper chord beam 111, a lower chord beam 112 arranged opposite to the upper chord beam 111, two or more first vertical columns 113 connecting the upper chord beam 111 and the lower chord beam 112, two first lifting points 115 provided on the upper chord beam 111, two or more second lifting points 116 provided on the lower chord beam 112, the first lifting point 115 is used for connecting with a hoisting device, and the second lifting point 116 is used for connecting with the first convection module; the first connecting assembly 120 comprises a first upper cross beam 121 and a first lower cross beam 122, the first upper cross beam 121 is connected with two upper chord beams 111 of the two truss units 110 and two first vertical columns 113 arranged opposite to the two truss units 110, the first lower cross beam 122 is connected with two lower chord beams 112 of the two truss units 110 and two first vertical columns 113 arranged opposite to the two truss units 110, and the first upper cross beam 121, the first lower cross beam 122 and the corresponding two first vertical columns 113 form a rectangular frame structure; the second connecting assembly 130 comprises a second upper cross beam 131 and a second lower cross beam 132, the second upper cross beam 131 is connected with two upper chord beams 111 of the two truss units 110, and the second lower cross beam 132 is connected with two lower chord beams 112 of the two truss units 110, and the second lower cross beam 132 is provided with two or more third lifting points 134, and the third lifting point 134 is used for connecting with the second convection module.

[0029] The two truss units 110 are arranged in parallel and spaced apart, wherein the spacing of the two truss units 110 arranged in parallel can be set according to the largest size of the convection module; it is ensured that the lifting point corresponding to the large-size convection module can be projected horizontally on the lower chord beam 112, then the corresponding second lifting point 116 is arranged on the lower chord beam 112, and the plate lifting lug is installed at the position corresponding to the second lifting point 116. In some embodiments, the plate lifting lug can be connected with the lower chord beam 112 in a welded or detachable manner, which is not specially limited in the present application.

[0030] The small-size convection module, due to its small width size, the lifting point is projected between the two truss units 110, therefore, the second lower cross beam 132 is further arranged at the position corresponding to the lifting point of the small-size convection module, the two or more third lifting points 134 are arranged at the position corresponding to the second lower cross beam 132, and the plate lifting lug is arranged below the second lower cross beam 132 corresponding to the third lifting point 134. In some embodiments, the plate lifting lug can be connected with the second lower cross beam 132 in a welded or detachable manner, which is not specially limited in the present application.

[0031] As shown in Figure 3 , Figure 4 and Figure 5 indicated, in some embodiments, since the size of the second convection module is smaller than that of the first convection module, the distance between the two third lifting points 134 of the same second lower cross beam 132 in the second convection module is smaller than the length of the second lower cross beam 132. Thus, the hoisting requirement of convection modules of different sizes can be met.

[0032] As shown in Figure 1 , the first lifting point 115 is arranged on the upper chord beam 111, and four first lifting points 115 can be arranged, which is less than the eight hanging points arranged in the prior art. The optimization and simplification of the hanging points above the lifting frame reduces the number of hanging cables and the hoisting weight.

[0033] Therefore, the present application can manufacture a truss unit 110 for a large-size first convection module, and then arrange a second lifting point 116 on the lower chord beam 112 of the truss unit 110 corresponding to the large-size first convection module. The second convection module of small size has a smaller width, and the projection of the lifting point is located between two truss units 110, so a corresponding second connecting assembly 130 is arranged, and then a second lifting point 116 is arranged on the second lower cross beam 132. The bottom of the lifting frame is respectively provided with the second lifting point 116 corresponding to the first convection module and the third lifting point 134 corresponding to the second convection module, so that the same lifting frame can match at least two kinds of convection modules. That is, the lifting points corresponding to convection modules of different sizes can be integrated on a set of hoisting lifting frames, and the hoisting of convection modules of different sizes can be realized, which greatly saves the manufacturing cost of the lifting frame.

[0034] In some embodiments, at least part of the first upright column 113 corresponds to the position of the first lifting point 115. That is, the first upright column 113 is arranged at the first lifting point 115, and the two first upright columns 113 and the first upper cross beam 121 and the first lower cross beam 122 form a frame structure, which enhances the connection strength at the first lifting point 115.

[0035] In other embodiments, at least part of the first upright column 113 corresponds to the position of the second lifting point 116. That is, the first upright column 113 is arranged at the second lifting point 116, and the two first upright columns 113 and the first upper cross beam 121 and the first lower cross beam 122 form a frame structure, which enhances the connection strength at the second lifting point 116.

[0036] In some embodiments, the second connecting assembly 130 further comprises two oppositely arranged second upright columns 133, both of which are connected with the second upper cross beam 131 and the second lower cross beam 132, and the positions of the second upright columns 133 correspond to those of the third lifting points 134. That is, the second upright columns 133 are arranged at the third lifting points 134, and the two second upright columns 133, the second upper cross beam 131 and the second lower cross beam 132 form a frame structure, thereby enhancing the connection strength at the second lifting points 116. The second upright columns 133 are arranged at positions corresponding to the third lifting points 134, so that the two second upright columns 133, the second upper cross beam 131 and the second lower cross beam 132 form a frame structure, thereby ensuring that the lifting frame can bear force as a whole when the third lifting points 134 are stressed, and improving the overall strength of the lifting frame.

[0037] As shown in Figure 1 and Figure 2 In some embodiments, the distance between the two adjacent first lower cross beams 122 is not equal to that between the two adjacent second lower cross beams 132. Since the size of the first convection module is larger than that of the second convection module, the horizontal projection positions of the lifting points corresponding to the convection modules of different sizes are different, and the distance between the two adjacent second lifting points 116 is different from that between the two adjacent third lifting points 134. Some of the first lower cross beams 122 are arranged to match the positions of the second lifting points 116 of the first convection module, and the second lower cross beams 132 are arranged to match the positions of the third lifting points 134 of the second convection module. Therefore, the distance between the two adjacent first lower cross beams 122 is not equal to that between the two adjacent second lower cross beams 132, so as to match the design requirements of the lifting points of the two convection modules of different sizes.

[0038] As shown in Figure 1 and Figure 2 In some embodiments, the size of the first upper cross beam 121 is the same as that of the first lower cross beam 122. The first upper cross beam 121 and the corresponding first lower cross beam 122 form a frame structure, and the size of the first upper cross beam 121 is the same as that of the corresponding first lower cross beam 122. That is, the size of the first upper cross beam 121 and the corresponding first lower cross beam 122 in the frame structure formed by each first connecting assembly 120 and the corresponding two first upright columns 113 is the same. This ensures the symmetry of the overall structure of the lifting frame, thereby ensuring the stability of the overall structure of the lifting frame, and improving the stability of the lifting.

[0039] As shown in Figure 1 and Figure 2As shown in some embodiments, the size of the second upper cross beam 131 is different from the size of the second lower cross beam 132. The size of the second upper cross beam 131 and the corresponding second lower cross beam 132 in the frame structure formed by the second connection assembly 130 and the corresponding two second upright columns 133 is the same. That is, the size of the second upper cross beam 131 and the second lower cross beam 132 in the frame structure formed by each second connection assembly 130 and the corresponding two second upright columns 133 is the same. The symmetry of the overall structure of the lifting hanger is ensured, thereby ensuring the stability of the overall structure of the lifting hanger, and thereby improving the stability of the lifting.

[0040] As shown in some embodiments, Figure 1 and Figure 2 As shown in some embodiments, the size of at least part of the second lower cross beam 132 is different from the size of the first lower cross beam 122. The length of the second lower cross beam 132 is equal to the length of the first lower cross beam 122, and the width of the second lower cross beam 132 is different from the width of the first lower cross beam 122. Correspondingly, the size of the second upper cross beam 131 is different from the size of the first upper cross beam 121. Since the lifting points of the counterflow modules of different sizes can be very close, in order to avoid interference between adjacent second lower cross beams 132 and first lower cross beams 122, the size of the second lower cross beam 132 can be different from the size of the first lower cross beam 122, while ensuring the stability of the overall structure and meeting the lifting requirements of counterflow modules of different sizes.

[0041] As shown in some embodiments, Figure 1 In some embodiments, at least one diagonal brace 114 is arranged between two adjacent first upright columns 113, and the two ends of the diagonal brace 114 are connected to the upper chord beam 111 and the lower chord beam 112, respectively. The diagonal brace 114 arranged between the upper chord beam 111 and the lower chord beam 112 of a truss unit 110 improves the overall strength and avoids deformation of the upper chord beam 111 and the lower chord beam 112 during lifting. Since the stress of the truss unit 110 is not equal during lifting, the diagonal braces 114 can be arranged more densely in areas with heavier stress and less densely in areas with lighter stress, thereby reducing the overall weight of the lifting hanger while ensuring the overall rigidity of the lifting hanger, and avoiding excessive weight of the lifting hanger during lifting. In some embodiments, one diagonal brace 114 or two diagonal braces 114 can be arranged between two adjacent first upright columns 113. The diagonal brace 114 arranged on the side of the hanger makes the hanger more stable and the stress more uniform.

[0042] As shown in some embodiments, Figure 1As shown in some embodiments, two adjacent diagonal braces 114 are arranged at an angle or in parallel. Two adjacent diagonal braces 114 are arranged at an angle, i.e. the two diagonal braces 114 can form a V shape; two adjacent diagonal braces 114 correspond to two adjacent first vertical columns 113, and one diagonal brace 114 is arranged between the two adjacent first vertical columns 113, so that the two diagonal braces 114 can form a V shape; two adjacent diagonal braces 114 correspond to two adjacent first vertical columns 113, one group of two adjacent first vertical columns 113 is provided with one first diagonal brace 114, and the other group of two adjacent first vertical columns 113 is provided with two diagonal braces 114, which are denoted as a second diagonal brace 114 and a third diagonal brace 114, so that the first diagonal brace 114 is parallel to the second diagonal brace 114, and the first diagonal brace 114 is arranged at an angle with the third diagonal brace 114. While ensuring the overall rigidity of the hoisting hanger, the overall mass of the hoisting hanger can also be reduced to avoid excessive mass of the hanger during hoisting.

[0043] As shown in some embodiments, Figure 1 In other embodiments, several diagonal braces 114 form a V shape or an X shape, thereby improving the overall strength of the hoisting hanger and avoiding deformation.

[0044] As shown in some embodiments, Figure 1 In some embodiments, one diagonal brace 114 is arranged between two adjacent first vertical columns 113 at the end of the truss unit 110. Since the end of the truss unit 110 is less stressed during hoisting, the arrangement of the diagonal brace 114 at the end of the truss unit 110 can be sparse, thereby reducing the overall mass of the hoisting hanger while ensuring the overall rigidity of the hoisting hanger, and avoiding excessive mass of the hanger during hoisting.

[0045] As shown in some embodiments, Figure 1 In some embodiments, two or more diagonal braces 114 are arranged between two adjacent first vertical columns 113 at the middle of the truss unit 110. In some embodiments, two diagonal braces 114 are arranged between two adjacent first vertical columns 113 at the middle of the truss unit 110, and the two diagonal braces 114 are arranged alternately. Since the middle of the truss unit 110 is more stressed during hoisting, the arrangement of the diagonal brace 114 at the middle of the truss unit 110 can be dense, thereby reducing the overall mass of the hoisting hanger while ensuring the overall rigidity of the hoisting hanger, and avoiding excessive mass of the hanger during hoisting.

[0046] As shown in some embodiments, Figure 2As shown in the drawings, in some embodiments, the cracking furnace convection module lifting hanger 100 further comprises at least one set of reinforcing members 140 arranged between the two upper chord beams 111 of the two truss units 110 and / or the two lower chord beams 112 of the two truss units 110. Since the convection module may be deformed during lifting, the reinforcing members 140 arranged between the two upper chord beams 111 or the two lower chord beams 112 can improve the strength between the two upper chord beams 111 or the two lower chord beams 112 and improve the stability of the overall structure.

[0047] As shown in the drawings, Figure 2 As shown in the drawings, in some embodiments, the reinforcing members 140 comprise two staggered reinforcing rods 141, and the reinforcing rods 141 are connected to the two upper chord beams 111 and / or the two lower chord beams 112. The staggered reinforcing rods 141 form an X-shaped structure, which improves the strength. In some embodiments, reinforcing members are arranged between the two upper chord beams 111 and the two lower chord beams 112, two reinforcing members are arranged between the two upper chord beams 111, and the two reinforcing members are symmetrical about the center line of the two upper chord beams 111 as the axis of symmetry. Two reinforcing members are arranged between the two lower chord beams 112, and the two reinforcing members are symmetrical about the center line of the two lower chord beams 111 as the axis of symmetry.

[0048] Through the above embodiments, the present application has the following advantages or benefits:

[0049] The present application can manufacture a large-size first convection module into a truss unit 110, and then arrange a second lifting point 116 on the lower chord beam 112 of the truss unit 110 corresponding to the large-size first convection module. The small-size second convection module has a smaller width size, and the lifting point projection is located between the two truss units 110, so the corresponding second connecting assembly 130 is arranged, and then the second lifting point 116 is arranged on the second lower cross beam 132. The second lifting point 116 corresponding to the first convection module and the third lifting point 134 corresponding to the second convection module are arranged at the bottom of the lifting hanger respectively, so that the same lifting hanger can match at least two kinds of convection modules. That is, the lifting points corresponding to convection modules of different sizes can be integrated on a set of lifting hangers, and the lifting of convection modules of different sizes can be realized, which greatly saves the manufacturing cost of the lifting hanger.

[0050] Although the preferred embodiments of the present application have been described, those of ordinary skill in the art can make additional changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all changes and modifications falling within the scope of the present application.

[0051] Obviously, many modifications and variations of the present application are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A cracking furnace convection module hanging bracket, characterized in that: At least used for hoisting the first convection module and the second convection module, the size of the first convection module is larger than that of the second convection module, and the cracking furnace convection module hoisting hanger includes: Two truss units, the two truss units are parallel to each other and spaced apart, the truss units comprising an upper chord, a lower chord disposed opposite the upper chord, two or more first columns connected between the upper chord and the lower chord, two first hanging points provided on the upper chord, and two or more second hanging points provided on the lower chord, the first hanging points being used to connect to a lifting device, and the second hanging points being used to connect to the first convection module; More than two groups of first connection assemblies, the first connection assemblies comprising a first upper crossbeam and a first lower crossbeam, the first upper crossbeam being connected to the two upper chord beams of the two truss units and the two first columns oppositely disposed in the two truss units, the first lower crossbeam being connected to the two lower chord beams of the two truss units and the two first columns oppositely disposed in the two truss units, the first upper crossbeam, the first lower crossbeam, and the corresponding two first columns together forming a rectangular frame structure; More than two groups of second connection components, the second connection components include a second upper beam and a second lower beam, the second upper beam is connected to the two upper chord beams of the two truss units, the second lower beam is connected to the two lower chord beams of the two truss units, and the second lower beam is provided with two or more third hanging points, and the third hanging points are used to connect to the second convection module.

2. The cracking furnace convection module hoisting hanger according to claim 1, characterized in that: At least part of the first columns correspond to the positions of the first hanging points; At least part of the first columns correspond to the positions of the second hanging points.

3. The cracking furnace convection module hoisting hanger according to claim 1, characterized in that: The second connection assembly further includes two second upright columns that are oppositely arranged, and the two second upright columns that are oppositely arranged are connected to both the second upper beam and the second lower beam, and the second upright columns correspond to the positions of the third hanging points.

4. The cracking furnace convection module hoisting hanger according to claim 3, characterized in that: The size of at least a portion of the second lower cross beam is different from the size of the first lower cross beam.

5. The cracking furnace convection module hoisting hanger according to any one of claims 1 to 4, characterized in that: The distance between two adjacent first lower cross beams is not equal to the distance between two adjacent second lower cross beams.

6. The cracking furnace convection module hoisting hanger according to any one of claims 1 to 4, characterized in that: The cracking furnace convection module hoisting hanger further includes a plurality of diagonal braces, at least one diagonal brace is provided between two adjacent first columns, and both ends of the diagonal brace are respectively connected to the upper chord beam and the lower chord beam.

7. The cracking furnace convection module hoisting hanger according to claim 6, characterized in that: The two adjacent diagonal braces are arranged at an angle or in parallel.

8. The cracking furnace convection module hoisting hanger according to claim 6, characterized in that: One diagonal brace is provided between two adjacent first columns at the ends of the truss unit; Two or more diagonal braces are provided between two adjacent first columns located in the middle of the truss unit.

9. The cracking furnace convection module hoisting hanger according to any one of claims 1 to 4, characterized in that: The cracking furnace convection module hoisting hanger further includes at least one set of reinforcement members provided between the two upper chord beams of the two truss units and / or the two lower chord beams of the two truss units.

10. The cracking furnace convection module hoisting hanger according to claim 9, characterized in that: The reinforcement member includes two staggered reinforcement rods, and the reinforcement rods are connected to the two upper chord beams of the two truss units and / or the two lower chord beams of the two truss units.

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