CN210952483U

CN210952483U - Economizer heat exchange tube bearing structure

Info

Publication number: CN210952483U
Application number: CN201921647852.4U
Authority: CN
Inventors: 周波; 刘中亚; 刘纪状; 严伟明; 殷杰
Original assignee: Jiangsu Thorpe Seri Equipment Manufacturing Co ltd
Current assignee: Jiangsu Thorpe Seri Equipment Manufacturing Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-07
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a coal economizer heat exchange tube bearing structure. The heat exchange device comprises a ladder frame consisting of a left upright post, a right upright post, a plurality of transverse beams connected between the left upright post and the right upright post, wherein more than two groups of ladder frames are arranged in parallel in the front and at the back, the upper end and the lower end of each group of ladder frames are connected through a connecting beam longitudinally arranged to form a three-dimensional frame structure, the distance between the upper transverse beam and the lower transverse beam in each group of ladder frames is used as a placement groove for placing heat exchange tubes, and each heat exchange tube penetrates through the placement groove of each group of ladder frames and is positioned and installed between the front and back groups of. The advantages are that: the processing period required by drilling (drilling) holes by adopting steel plates in the prior art is greatly reduced, the material consumption is saved, the time cost and the material cost are saved, the supported heat exchange tubes can freely stretch out and draw back under various cold and hot working conditions, the structure is safe and reliable, meanwhile, the width size of each part is small, the limitation of the plate width of the raw material steel plate is avoided, and the requirement of large-scale equipment is met.

Description

Economizer heat exchange tube bearing structure

Technical Field

The utility model relates to a part structure of economizer, specifically speaking are economizer heat exchange tube bearing structure belongs to new forms of energy and energy-conserving technical field.

Background

At present, the horizontal economizer that the heat recovery system of petrochemical industry, sulphuric acid industry adopted (heat transfer) finned tube multi-purpose orifice plate structural support (punch on the large-area steel sheet of monoblock) in, this structure is firm and easily install, but also has a lot of shortcomings: in order to ensure enough supporting strength, the thickness of the supporting hole plate is usually more than three times of the fin pitch of the (heat exchange) finned tube, according to the arrangement condition of the (heat exchange) finned tube, the front, middle and rear supporting hole plates are stacked and drilled with holes corresponding to the finned tube one by one, the diameter of each hole is slightly larger than the outer diameter of the fin of the finned tube, the supporting structure is sealed in the shell pass box body of the economizer, the supporting structure and the finned tube are directly not required to be sealed, due to the fact that the number of the finned tubes of the economizer is large and the arrangement is compact, the material removed by drilling the supporting hole plates accounts for more than half of the total material, when the size of the supporting hole plate exceeds the plate width of a raw material steel plate, splicing blanking is needed, and the supporting.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a structural design is ingenious simple, can satisfy the support demand to the finned tube, can shorten processing cycle again and improve material utilization's economizer heat exchange tube bearing structure.

In order to solve the technical problem, the utility model discloses an economizer heat exchange tube bearing structure, include by controlling the stand and controlling the ladder frame that many crossbeams of connecting between the stand constitute, be provided with more than two sets of side by side around the ladder frame, the upper and lower both ends of each group ladder frame are all connected through the tie-beam of vertical setting and are constituted the space frame structure, interval between the upper and lower adjacent crossbeam is as the resettlement groove that is used for settling the heat exchange tube in each group ladder frame, and each heat exchange tube passes in the resettlement groove of each group ladder frame and the location installation between each group ladder frame that sets up side by side in the front and back.

Wedge-shaped structures arranged along the length direction are arranged between the adjacent cross beams, and the wedge-shaped structures are arranged at the front side ends of the cross beams.

Three groups of ladder frames are arranged side by side in the front and the back of the ladder frame, and the three groups of ladder frames can be respectively supported at the front end, the middle part and the tail end of the heat exchange tube.

Spiral radiating fins are arranged outside the heat exchange tube.

And a partition plate used for partitioning the left and right adjacent heat exchange tubes is arranged between the upper and lower adjacent cross beams.

The upper and lower adjacent partition plates are arranged in a staggered manner.

The utility model has the advantages that:

the supporting structure adopts a three-dimensional frame structure formed by a plurality of groups of ladder frames formed by cross beams, and the space between the upper and lower adjacent cross beams in each group of ladder frames is used as a placement groove for placing the heat exchange tube, so that the heat exchange tube can be positioned and installed by directly utilizing the placement groove.

Drawings

Fig. 1 is a front view of the heat exchange tube supporting structure of the economizer of the present invention.

Fig. 2 is a side view of the economizer heat exchange tube support structure of the present invention.

Fig. 3 is a partial enlarged view of the support structure of the economizer heat exchange tube of the present invention.

Detailed Description

The economizer heat exchange tube support structure of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.

As shown in the drawing, the utility model discloses a coal economizer heat exchange tube bearing structure, include by about stand 1 and about the ladder frame 3 that many crossbeams 2 connected between the stand constitute, it is visible by figure 1, each crossbeam parallel arrangement is between two sets of stands of controlling, stand 1 vertical layout, crossbeam 2 transverse layout, both ends weld with both sides stand 1 respectively about it, stand 1 is the carbon steel rectangular steel plate of 30 millimeters thickness, its length is confirmed according to the horizontal line number of finned tube, be the vertical supporting component of this bearing structure, crossbeam 2 is carbon steel rectangular steel plate, its length is confirmed according to the vertical line number of finned tube, its width is greater than 3 times fin pitch, be the horizontal supporting component of finned tube bearing structure, simultaneously, as can be seen by figure 2, be provided with three groups side by side around the ladder frame 3 in this embodiment, three ladder frames of group can support respectively at the front end of heat exchange tube, A middle part and a tail end, wherein, for specific orientation, the front-back direction from the front view is defined as the front-back direction in the embodiment, that is, the left-right direction from the side view is defined as the front-back direction in the embodiment, as can be seen from the figure, the front group of ladder frames is supported at the front end of the heat exchange tube, the middle group of ladder frames is supported at the middle part of the heat exchange tube, the rear group of ladder frames is supported at the tail end of the heat exchange tube, the upper and lower ends of each group of ladder frames 3 are connected by a connecting beam 4 arranged longitudinally (the front-back direction in the embodiment is defined as the longitudinal direction) to form a three-dimensional frame structure, as can be seen from fig. 1 and 2, the connecting beams 4 in the embodiment are arranged side by side, each connecting beam 4 passes through the cross beam of each group of ladder frames to position and install each group of ladder frames to form a stable three-dimensional frame, The middle and rear three groups of ladder frames are equal in height in the horizontal direction and are welded with the cross beams, the distance between the upper and lower adjacent cross beams in each group of ladder frames 3 is used as a placement groove 6 for placing the heat exchange tubes 5, spiral radiating fins 8 are arranged outside the heat exchange tubes 5, and each heat exchange tube 5 penetrates through the placement groove 6 of each group of ladder frames and is positioned and installed between the front and rear groups of ladder frames which are arranged side by side.

Further, wedge-shaped structures 7 arranged along the length direction (the transverse direction, namely the left-right direction in the left view of fig. 1) are arranged between the adjacent cross beams 2, each wedge-shaped structure is composed of two guide inclined planes which are arranged on the two adjacent cross beams up and down and correspond to each other, the two opposite guide inclined planes of the two adjacent cross beams up and down are arranged in a mirror image mode, the guide inclined planes are obliquely arranged from the front end face to the inside of each cross beam, each wedge-shaped structure 7 is arranged at the front side end of each cross beam, so that finned tubes can conveniently penetrate through the front end, the middle end and the rear cross beams, and therefore the guide structure capable of enabling the heat exchange tubes to smoothly pass through the front.

In addition, a partition plate 9 used for dividing left and right adjacent heat exchange tubes is arranged between the upper and lower adjacent cross beams 2, the upper and lower adjacent partition plates are arranged in a staggered manner, the height of the partition plate is 2 mm added to the outer diameter of the finned tube (heat exchange tube), the partition plate is fixed between the left and right (the direction shown in fig. 2) adjacent cross beams 2, two partition plates 9 are arranged between each layer of upper and lower adjacent cross beams 2, actually, the partition plates 9 are also longitudinally arranged along the ladder frame, namely, the partition plates can be in the same structural design as the connecting beams 4 and are vertical limiting and reinforcing components of the finned tube supporting structure, therefore, the partition plates are used for fixing the distance between the upper and lower adjacent cross beams 2 and preventing the cross beams 2 from deforming, and in addition, in the embodiment, the connecting beams and/.

Practice tests prove that through the structural design, through the supporting structure formed by combining the upright posts 1, the cross beams 2 and the connecting beams 4, the traditional pore plate supporting structure can be completely replaced, the supporting structure is not limited by the plate width of raw material steel plates, meanwhile, the drilling process is reduced, the processing period is shortened, the material waste is also avoided, and the guide structure formed by the adopted wedge-shaped structure facilitates the penetration of the finned tubes into three groups of supporting structures from the end, in addition, the connecting beams are arranged in the front, middle and rear three groups of ladder frames in a penetrating manner to ensure that the three groups of supporting plates are equal in the horizontal direction, the connecting beams and/or the partition plates 9 are used for fixing the distance between the adjacent cross beams 2, the finned tubes can penetrate into the front, middle and rear three groups of ladder frames, and simultaneously have the effect of supporting the cross beams 2, meanwhile, the deformation of the.

When the finned tube works, the finned tube sequentially penetrates three groups of ladder frames from the position between two adjacent layers of the beams 2 from top to bottom by utilizing the guide structures of the beams 2, so that the finned tube can be supported in front, middle and back, the width of each beam 2 is larger than 3 times of fin pitch, the finned tube can freely stretch out and draw back under various cold and hot working conditions, and the fin cannot be clamped.

Claims

1. The utility model provides a coal economizer heat exchange tube bearing structure which characterized in that: including about by about stand (1) and about the ladder frame (3) that many crossbeams (2) of connecting between the stand constitute, ladder frame (3) are provided with more than two sets of side by side around, and the upper and lower both ends of each group ladder frame (3) are all connected through tie-beam (4) of vertical setting and are constituted the space frame structure, each group interval between the upper and lower adjacent crossbeam is as settling tank (6) that are used for settling heat exchange tube (5) in ladder frame (3), each heat exchange tube (5) pass in settling tank (6) of each group ladder frame and the location is installed between each group ladder frame that sets up side by side in the front and back.

2. The economizer heat exchange tube support structure of claim 1, wherein: wedge-shaped structures (7) arranged along the length direction are arranged between the adjacent cross beams (2), and the wedge-shaped structures (7) are arranged at the front side ends of the cross beams.

3. The economizer heat exchange tube support structure according to claim 1 or 2, wherein: three groups of ladder frames (3) are arranged side by side in the front and at the back, and the three groups of ladder frames can be supported at the front end, the middle part and the tail end of the heat exchange tube respectively.

4. The economizer heat exchange tube support structure of claim 3, wherein: spiral radiating fins (8) are arranged outside the heat exchange tube (5).

5. The economizer heat exchange tube support structure according to claim 1, 2 or 4, wherein: and a partition plate (9) used for partitioning the left and right adjacent heat exchange tubes is arranged between the upper and lower adjacent cross beams (2).

6. The economizer heat exchange tube support structure of claim 5, wherein: the upper and lower adjacent partition plates are arranged in a staggered manner.