CN216196957U

CN216196957U - Horizontal spliced plate type structure of air separation cold box

Info

Publication number: CN216196957U
Application number: CN202122601539.0U
Authority: CN
Inventors: 吴正军; 孟亿莎
Original assignee: Zhejiang Zhihai Chemical Equipment Engineering Co ltd
Current assignee: Yingde Gas Engineering Zhejiang Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a transverse splicing plate type structure of an air separation cooling box, which is formed by splicing a plurality of transverse splicing plates, wherein each transverse splicing plate comprises a transverse splicing frame and a panel arranged on the transverse splicing frame, each transverse splicing frame comprises two cross beams which are arranged at intervals from top to bottom, and a first vertical column and a second vertical column which are arranged at intervals from left to right, the two transverse splicing frames which are adjacent from top to bottom are fixedly connected together through the cross beams, and the two transverse splicing frames which are horizontally adjacent are fixedly connected together through the first vertical column and the second vertical column. Aiming at the technical problems of large construction site and low construction efficiency of the traditional rod type structure of the cold box structure, the utility model provides the transverse splicing plate type structure of the air separation cold box, which can finish the welding work of a large number of panels and panel stiffening ribs which are originally required to be on site in a factory as much as possible, has regular plate design, occupies small space of the site stacking site and can be preassembled on site.

Description

Horizontal spliced plate type structure of air separation cold box

Technical Field

The utility model relates to the technical field of air separation cold boxes, in particular to a transverse spliced plate type structure of an air separation cold box.

Background

The cold box structure is a high-rise structure, the height-width ratio is very large, no floor is arranged in the cold box, the whole cold box is completely sealed, a steel plate is used as a panel for enclosing, the wind-bearing area is very large, and the structural wind load is completely supported by the trusses around the cold box, so that the four corner columns of the cold box are very large in stress, and the originally used rod type structural system is very consistent with an actual stress system.

However, the rod-type structural system has a disadvantage in that the size of the components is limited in transportation, all the components need to be shipped in bulk to be assembled on site, and a large enough assembly space and a material yard are required. In recent years, with the increasing productivity of customers, the space available for assembly and the space for stacking materials on site are continuously reduced due to the continuous establishment of the first stage, the second stage, the third stage, the fourth stage and the like, and even some sites can not provide the assembly space of the rod-type structure at all.

In summary, the conventional rod-type design method for the cold box structure has been gradually unable to meet the customer requirements, and an innovative design method is needed to solve the problem on the premise of ensuring that the safety and the economy of the cold box structure are not reduced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the technical problems of large construction site and low construction efficiency of the traditional rod type structure of the cold box structure, the utility model provides the transverse splicing plate type structure of the air separation cold box, which can finish the welding work of a large number of panels and panel stiffening ribs which are originally required to be on site in a factory as much as possible, has regular plate design, occupies small space of the site stacking site and can be preassembled on site.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides an empty cold box horizontal piece formula structure that divides, comprises a plurality of horizontal pieces concatenation plate, horizontal pieces include horizontal piece frame to and locate the panel on the horizontal piece frame, horizontal piece frame includes two crossbeams that the interval set up from top to bottom to and control first stand and the second stand that the interval set up, upper and lower adjacent two horizontal pieces frame links firmly together through the crossbeam, and the level is adjacent two horizontal pieces frame links firmly together through first stand and second stand.

Optionally, the cross-section of each transverse beam is shaped like a U, two adjacent transverse beams are fixedly connected together through a plurality of transverse beam bolts, and transverse beam welding notches are formed in the connecting positions of the edges of the transverse beams.

Optionally, the cross section of the first upright post is in an "i" shape, the cross section of the second upright post is in a "u" shape, the first upright post and the second upright post are fixedly connected together through a plurality of upright post bolts, and an upright post welding cut is arranged at the edge connection part of the first upright post and the second upright post.

Optionally, end plates are arranged at the upper end and the lower end of each of the first upright column and the second upright column, and the first upright column which are adjacent up and down are fixedly connected through a plurality of end plate bolts through the end plates on the second upright column and the second upright column.

Optionally, the end plates of the first upright and the second upright on the same transverse splicing frame are fixedly connected into a whole.

Optionally, the cross-frame further comprises a plurality of panel stiffeners.

Optionally, the wale frame further comprises at least one diagonal brace.

Optionally, a slot is formed in an end of the diagonal brace, a diagonal brace connecting plate is fixedly connected to the slot, and the diagonal brace connecting plate is fixedly connected to the transverse splicing frame.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) this empty horizontal makeup board block formula structure of cold box that divides comprises a plurality of horizontal makeup board pieces concatenation, and horizontal makeup board piece can be accomplished in the mill, will accomplish in the mill as far as possible the welding work of a large amount of panels and panel stiffening rib that will be on the spot originally, and the plate design is more regular, and the site occupation space of stacking is less, can not need on-the-spot pre-assembling, consequently can directly lift by crane the installation, need not occupy like a large amount of spaces that rod formula structure needs at the on-the-spot equipment.

Drawings

FIG. 1 is a schematic structural diagram of a transverse slab type structure of an air separation cold box according to an embodiment of the present invention;

FIG. 2 is a schematic connection diagram of a cross beam and a cross beam in a transverse slab block type structure of an air separation cold box according to an embodiment of the utility model;

fig. 3 is a schematic connection diagram of a first column and a second column in a transverse slab block type structure of an air separation cold box according to an embodiment of the present invention;

FIG. 4 is a schematic connection diagram of a diagonal brace and a transverse splicing frame in a transverse splicing plate type structure of an air separation cold box according to an embodiment of the utility model;

fig. 5 is a schematic connection diagram of a first upright column and a first upright column, and a second upright column in a transverse slab block type structure of an air separation cold box according to an embodiment of the present invention;

1. transversely splicing the frames; 2. a panel; 3. a cross beam; 4. a first upright post; 5. a second upright post; 6. a beam bolt; 7. welding a cross beam with a groove; 8. a stud bolt; 9. welding a groove on the upright post; 10. an end plate; 11. an end plate bolt; 12. a panel stiffener; 13. a diagonal brace; 14. bracing connecting plate.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-5 and examples.

With reference to the attached drawings 1-5, the air separation cold box transverse splicing plate type structure of the embodiment is a rectangular structure and is formed by splicing a plurality of transverse splicing plates which are connected with each other to form a main frame stress member of the whole cold box, the transverse splicing plates comprise a transverse splicing frame 1, and a panel 2 arranged on the transverse splicing frame 1, wherein the transverse splicing frame 1 comprises two beams 3 which are arranged at intervals up and down, and a first upright post 4 and a second upright post 5 which are arranged at left and right intervals, wherein two horizontally adjacent transversely spliced frames 1 are fixedly connected together through a cross beam 3, two horizontally adjacent transversely spliced frames 1 are fixedly connected together through the first upright post 4 and the second upright post 5, naturally, the first upright post 4 and the second upright post 5 on the two horizontally spliced frames 1 which are adjacent up and down can also be fixedly connected together to form an upright post of the whole cold box; the transverse splicing plate block type structure of the air separation cold box is formed by splicing a plurality of transverse splicing plates, the transverse splicing plates can be manufactured in a factory, the welding work of a large number of panels and panel stiffening ribs which are originally required to be on site is completed in the factory as much as possible, the plate block design is more regular, the occupied space of a site stacking field is smaller, the site pre-assembly is not required, the direct hoisting and installation can be realized, and a large amount of space required by the on-site assembly of a rod type structure is not required to be occupied; the stress of the structural system is kept consistent with that of a rod type structure, and the safety degree and the steel consumption are basically equivalent. Therefore, the utility model design of the cooling box transverse splicing plate type structural system can perfectly combine the advantages of a rod type stress system and the characteristic of small occupied space of the cooling box transverse splicing plate type structural system on site, is convenient for site construction and installation on the premise of ensuring that the safety and the economy of the cooling box structure are not reduced, and shortens the construction period of a project.

As an alternative of the utility model, the cross section of the crossbeam 3 is U-shaped, the cross section of the crossbeam 3 above the transverse splicing frame 1 is inverted U-shaped, the cross section of the crossbeam 3 below the transverse splicing frame 1 is upright U-shaped, when in connection, webs of two adjacent crossbeams 3 are abutted together and are fixedly connected together through a plurality of crossbeam bolts 6, and the edge connection part of the crossbeam 3 and the crossbeam 3 is provided with a crossbeam welding cut-out 7, so that flanges of the upper crossbeam 3 and the lower crossbeam 3 are welded into a whole through semi-penetration welding on site, and the connection strength between the crossbeams 3 is ensured.

As an alternative of the present invention, the cross section of the first upright post 4 is "i" shaped, the cross section of the second upright post 5 is "u" shaped, the first upright post 4 and the second upright post 5 are designed into two cross-sectional shapes, the main purpose is to adapt to the angle between two horizontally adjacent transverse frames 1, in this embodiment, the angle between the two transverse frames 1 is 90 °, the end of the first upright post 4 and the web of the second upright post 5 abut against each other and are fixedly connected together through a plurality of upright post bolts 8, and the edge joint of the first upright post 4 and the second upright post 5 is provided with an upright post welding cut 9, so that the first upright post 4 and the second upright post 5 are welded into a whole through semi-penetration welding on site, and the connection strength between the first upright post 4 and the second upright post 5 is ensured.

As an alternative of the utility model, the upper and lower ends of the first upright column 4 and the second upright column 5 are both provided with end plates 10, the end plates 10 are vertically connected with the first upright column 4 and the second upright column 5, and are fixedly connected with the first upright column 4 and the first upright column 4 which are vertically adjacent, and the second upright column 5 through the end plates 10 through a plurality of end plate bolts 11, so that the first upright column 4 and the first upright column 4 at the vertical height and the second upright column 5 at the vertical height are fixedly connected to form an upright column of the whole cold box, and the integral strength after splicing is further improved.

As an alternative of the utility model, the first upright post 4 and the end plate 10 of the second upright post 5 on the same transverse splicing frame 1 are fixedly connected into a whole, and the connecting edge of the end plate 10 of the first upright post 4 and the second upright post 5 is provided with a connecting cut so that the first upright post 4 and the second upright post 5 can be connected into a whole through semi-penetration welding, so that the upper end and the lower end of the first upright post 4 and the upper end and the lower end of the second upright post 5 are at the same height, the horizontal state of a plurality of transverse splicing plates after vertical stacking is ensured, and the integral attractiveness is improved.

As an alternative of the present invention, the horizontally spliced frame 1 further includes a plurality of panel stiffeners 12 and at least one diagonal brace 13, the plurality of panel stiffeners 12 are vertically arranged and are distributed at equal intervals along the length direction of the horizontally spliced frame 1, the panel stiffeners 12 and the diagonal brace 13 keep a gap of more than 10mm, two ends of the panel stiffeners 12 are welded to the cross beam 3 through double-sided fillet welds, the panel 2 and the horizontally spliced frame 1 are connected in two types, one type is an outer-side fillet weld where the panel 2 contacts the horizontally spliced frame 1, the fillet weld must be a continuous fillet weld, the other type is an inner-side fillet weld where the panel 2 contacts the horizontally spliced frame 1, the fillet weld is an intermittent weld fillet weld, and the diagonal brace 13 is used as a diagonal brace system of the main frame structure; the panel 2 and the panel stiffening ribs 1 form an enclosure system of the whole cold box structure, and are main force transmission systems of loads such as pearlife load, gas pressure in the cold box, wind load and the like.

As an alternative of the utility model, a slot is formed at the end of the inclined strut 13, an inclined strut connecting plate 14 is fixedly connected to the slot, the inclined strut connecting plate 14 is inserted into the slot of the inclined strut 13 and is fixedly welded, the inclined strut connecting plate 14 and the inclined strut 13 can also be connected through a high-strength bolt, the inclined strut connecting plate 14 is fixedly connected to the transverse splicing frame 1, and the corner of the transverse splicing frame 1 of the inclined strut connecting plate 14 is fixedly welded.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides an empty horizontal makeup plate formula structure of cold box that divides which characterized in that: constitute by the concatenation of a plurality of horizontal pieces of piecing together the plate, horizontal pieces of piecing together the plate and including horizontal piece frame to and locate the panel on the horizontal piece frame, horizontal piece frame is including two crossbeams that the interval set up from top to bottom to and the first stand and the second stand that the interval set up about, adjacent two from top to bottom horizontal piece frame links firmly together through the crossbeam, and the level is adjacent two horizontal piece frame links firmly together through first stand and second stand.

2. The transverse split plate type structure of the air separation cold box according to claim 1, characterized in that: the cross section of each transverse beam is U-shaped, every two adjacent transverse beams are fixedly connected together through a plurality of transverse beam bolts, and transverse beam welding notches are formed in the connecting positions of the edges of the transverse beams and the transverse beams.

3. The transverse split plate type structure of the air separation cold box according to claim 1, characterized in that: the cross section of the first upright post is I-shaped, the cross section of the second upright post is U-shaped, the first upright post and the second upright post are fixedly connected together through a plurality of upright post bolts, and an upright post welding cut is arranged at the edge connection part of the first upright post and the second upright post.

4. The transverse split plate type structure of the air separation cold box according to claim 1, characterized in that: the upper end plate and the lower end of the first upright post and the second upright post are respectively provided with an end plate, the first upright post and the first upright post which are adjacent from top to bottom, and the end plates which pass through the second upright post and the second upright post are fixedly connected through a plurality of end plate bolts.

5. The transverse split plate type structure of the air separation cold box according to claim 4, characterized in that: and the first upright post and the end plate on the second upright post on the same transverse splicing frame are fixedly connected into a whole.

6. An air separation cold box transverse split plate type structure according to any one of claims 1-5, characterized in that: the transverse splicing frame further comprises a plurality of panel stiffening ribs.

7. The transverse split plate type structure of the air separation cold box according to claim 6, characterized in that: the transverse splicing frame further comprises at least one inclined supporting rod.

8. The transverse slab type structure of the air separation cold box according to claim 7, characterized in that: the end part of the inclined strut is provided with a slot, the slot is fixedly connected with an inclined strut connecting plate, and the inclined strut connecting plate is fixedly connected to the transverse splicing frame.