CN211804508U - Movable airtight protection device for field welding of converter vaporization flue - Google Patents
Movable airtight protection device for field welding of converter vaporization flue Download PDFInfo
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- CN211804508U CN211804508U CN202020233512.3U CN202020233512U CN211804508U CN 211804508 U CN211804508 U CN 211804508U CN 202020233512 U CN202020233512 U CN 202020233512U CN 211804508 U CN211804508 U CN 211804508U
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Abstract
The utility model discloses a portable airtight protection device of converter vaporization flue field weld belongs to construction installation auxiliary device technical field. The utility model discloses a portable airtight protection device of converter vaporization flue field weld, including moving track, protective frame and wind-proof curtain, wherein, the moving track is located vaporization flue both sides and parallel arrangement, protective frame erects vaporization flue top and movable mounting on moving track, wind-proof curtain lays in the protective frame outside and its front and back both sides extend to the vaporization flue on. Adopt the technical scheme of the utility model can effectively protect vaporization flue on-the-spot welding region, be favorable to guaranteeing welding quality to be convenient for protect the welding region at different positions, device structure and easy operation.
Description
Technical Field
The utility model belongs to the technical field of construction installation auxiliary device, more specifically say, especially, relate to a portable airtight protection device of converter vaporization flue field weld.
Background
The converter vaporization flue is an important component of a converter waste heat boiler, and is a device for cooling flue gas and recovering steam, wherein the cooling water subjected to softening treatment and deoxidization treatment absorbs high-temperature flue gas generated in the smelting process of a converter into heat for self evaporation, and the heat of a cooling part is taken away by using the latent heat of vaporization of water, so that the temperature of the flue gas is reduced from 1400-1600 ℃ to 900-1000 ℃. The equipment is used for collecting high-temperature flue gas to the maximum extent during working, bearing the highest furnace gas temperature and severe and frequent temperature changes, and simultaneously having the worst working condition and being most prone to adhering splashed steel slag.
The vaporization flue is a pipe partition structure consisting of hundreds of seamless steel pipes, the pipe is generally in two specifications of phi 38x4mm and phi 60x5mm, and the material is 20G/GB 3087. Because the volume is larger and the weight is heavier, the evaporation flue is generally constructed in sections, and then each formed section is integrally assembled, welded and installed on site, but the influence of the local environment is larger during the site welding, such as humidity, wind speed and the like, which can influence the welding quality. Therefore, how to ensure that the quality of hundreds of pipelines of the evaporation flue is effectively ensured in the welding process is one of the important points of control.
In order to solve the above problems, the chinese patent application No. is: 2018100596215, the patent names: the field welding method of the converter vaporization flue comprises the following process steps: firstly, construction preparation, field leveling and jig arrangement; secondly, assembling, namely processing the pipe arrangement split opening, and adjusting the relative distance between the first vaporizing flue and the first vaporizing flue by using a chain block; erecting a windproof shed at the outer side of a welding area of the vaporization flue, and erecting an operation platform at the inner side of the vaporization flue; thirdly, welding, aligning and spot welding, wherein the welding process is adopted for welding in a staggered mode from inside to outside and horizontally towards two sides; after welding, the parting strip is plugged into the neutral position between the first calandria and the second calandria, and a filling welding line is filled to ensure no leakage. This application is through setting up windproof shed in vaporization flue welding area outside to can protect the welding area to a certain extent, reduce external environment to the influence of welding quality. However, the wind-proof shed in the application is constructed by erecting scaffolds, and after one welding area is welded, the wind-proof shed needs to be dismantled and erected in the next welding area, so that the operation is complex.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
The utility model aims to overcome when current vaporization flue carries out field weld and installation, its welding quality easily receives external environment, like not enough of the influence of humidity, wind speed etc. provides a portable airtight protection device of converter vaporization flue field weld. Adopt the technical scheme of the utility model can effectively protect vaporization flue on-the-spot welding region, be favorable to guaranteeing welding quality to be convenient for protect the welding region at different positions, device structure and easy operation.
2. Technical scheme
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
the utility model discloses a portable airtight protection device of converter vaporization flue field weld, including moving track, protective frame and wind-proof curtain, wherein, the moving track is located vaporization flue both sides and parallel arrangement, protective frame erects vaporization flue top and movable mounting on moving track, wind-proof curtain lays in the protective frame outside and its front and back both sides extend to the vaporization flue on.
Furthermore, the protection frame is an integral frame formed by assembling four supporting columns, two transverse sealing beams and two longitudinal sealing beams, wherein the supporting columns are movably arranged on the moving track and are connected through the transverse sealing beams and the longitudinal sealing beams.
Furthermore, the length of the moving tracks is the same as that of the vaporization flue, and the length of the transverse closed beam is matched with the span of the two moving tracks.
Furthermore, the front side and the rear side of the windproof curtain are clamped and fastened on the vaporization flue through a reinforcing ring and a connecting bolt.
Furthermore, the windproof curtain adopts fire-resistant canvas.
Furthermore, the reinforcing ring is of an arc-shaped structure consisting of two semicircular rings, the radius of the reinforcing ring is matched with the vaporization flue, and threaded holes matched with the connecting bolts are formed in the two ends of each semicircular ring.
Furthermore, the vaporization flue is supported by a support frame, and the top of the support frame is processed into a radian matched with the vaporization flue.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a portable airtight protection device of converter vaporization flue field weld, including moving the track, protecting frame and protection against wind curtain, through erectting protecting frame above the vaporization flue, and lay in protecting frame's the outside and prevent the wind curtain, thereby can treat the welding area to the vaporization flue and effectively protect, prevent external environment, like humidity, the influence of wind speed etc. to welding quality, simultaneously through installing protecting frame on moving the track, thereby can make protecting frame remove along moving the track, be convenient for protect the different welding position of vaporization flue.
(2) The utility model discloses a portable airtight protection device of converter vaporization flue field weld, the device not only overall structure is simple, only need remove protective frame when protecting the different welding position of vaporization flue moreover change its position can, the operation is comparatively simple, the waste of material when having significantly reduced the adoption fixed protection device, and its simple manufacture has shortened the preparation time limit for a project.
(3) The utility model discloses a portable airtight protection device of converter vaporization flue field weld, both sides are pressed from both sides tightly through reinforcing ring and connecting bolt and are fastened on the vaporization flue around preventing the wind curtain to can further guarantee the seal of vaporization flue welding area territory, and prevent that the wind curtain is fixed and dismantle simply.
Drawings
FIG. 1 is a schematic front view of a movable airtight protection device for on-site welding of a converter vaporization flue according to the present invention;
fig. 2 is a schematic side view of the movable airtight protection device of the present invention.
In the figure: 1. a vaporization flue; 2. a moving track; 3. supporting the upright post; 4. a transverse enclosing beam; 5. a longitudinal containment beam; 6. reinforcing rings; 7. a connecting bolt; 8. a wind-proof curtain; 9. a support frame.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, the movable airtight protection device for on-site welding of the converter vaporization flue of the embodiment comprises a movable rail 2, a protection frame and a windproof curtain 8, wherein the movable rail 2 is located on two sides of the vaporization flue 1 and is arranged in parallel, the protection frame is erected above the vaporization flue 1 and is movably installed on the movable rail 2, and the windproof curtain 8 is laid on the outer side of the whole protection frame and extends to the vaporization flue 1 from the front side to the rear side. Set up through adopting the scaffold frame among the prior art and prevent wind the canopy or adopt other fixed protector to protect the vaporization flue, device structure is comparatively complicated with the installation, and can only carry out the problem of protection to the same region of vaporization flue, this embodiment is through setting up protective frame on removal track 2 to can remove protective frame's position, make it freely along removing the track removal, consequently be convenient for protect different section welding area on the vaporization flue, and its structure and easy operation.
Example 2
The structure of the movable closed protection device for the field welding of the converter vaporization flue is basically the same as that of the embodiment 1, and the main differences are as follows: the protection frame of this embodiment is an integral frame (formed by welding) formed by assembling four supporting columns 3, two transverse sealing beams 4 and two longitudinal sealing beams 5, wherein the supporting columns 3 are movably installed on the moving track 2 (when a certain section of the vaporization flue 1 needs to be welded, the supporting columns 3 are moved to the area and then fixed, specifically, a track clip can be used for fixing, and other existing arbitrary fixing modes can also be adopted) and are connected through the transverse sealing beams 4 and the longitudinal sealing beams 5 (wherein the transverse sealing beams 4 are perpendicular to the moving track 2, and the longitudinal sealing beams 5 are parallel to the moving track 2). The length of the moving track 2 is the same as that of the vaporization flue 1, and the length of the transverse closed beam 4 is the same as the span of the two moving tracks 2. Specifically, in this embodiment, the moving rail 2 is a finished 38kg/m rail, the span thereof is larger than the outer diameter 2m of the vaporization flue 1, the height of the support column 3 is 1.5m higher than the top surface of the vaporization flue 1, and the length of the longitudinal closed beam 5 is 2 m.
Example 3
The structure of the movable airtight protection device for the field welding of the converter vaporization flue is basically the same as that of the embodiment 2, and the main difference lies in that: the front side and the rear side of the windproof curtain 8 are tightly fastened on the vaporization flue 1 through a reinforcing ring 6 and a connecting bolt 7 to form a closed structure, wherein the windproof curtain 8 adopts fire-resistant canvas, the reinforcing ring 6 is of a circular arc structure (hoop structure) consisting of two semicircular rings, the radius of the windproof curtain is matched with that of the vaporization flue 1, and both ends of the semicircular rings are provided with threaded holes matched with the connecting bolt 7. Can further guarantee the seal in vaporization flue welding area through this kind of fixed mode, and prevent wind the curtain fixed and dismantle simply. In this embodiment, the vaporizing flue 1 is supported by a support frame 9, and the top of the support frame 9 is processed into a radian matched with the vaporizing flue 1.
Claims (7)
1. The utility model provides a portable airtight protection device of converter vaporization flue field weld which characterized in that: including moving track (2), protective frame and preventing wind curtain (8), wherein, moving track (2) and being located vaporization flue (1) both sides and parallel arrangement, protective frame erects vaporization flue (1) top and movable mounting on moving track (2), prevent that wind curtain (8) are laid in the protective frame outside and its front and back both sides extend to vaporization flue (1).
2. The on-site welding movable airtight protection device for the converter vaporization flue according to claim 1, characterized in that: the protective frame is an integral frame formed by assembling four supporting columns (3), two transverse sealing beams (4) and two longitudinal sealing beams (5), wherein the supporting columns (3) are movably arranged on the moving track (2) and are connected through the transverse sealing beams (4) and the longitudinal sealing beams (5).
3. The on-site welding movable airtight protection device for the converter vaporization flue according to claim 2, characterized in that: the length of the movable rails (2) is the same as that of the vaporization flue (1), and the length of the transverse closed beam (4) is matched with the span of the two movable rails (2).
4. The on-site welding movable airtight protection device for the converter vaporization flue according to any one of claims 1-3, characterized in that: the front side and the rear side of the windproof curtain (8) are clamped and fastened on the vaporization flue (1) through a reinforcing ring (6) and a connecting bolt (7).
5. The on-site welding movable airtight protection device for the converter vaporization flue according to claim 4, characterized in that: the windproof curtain (8) is made of fireproof canvas.
6. The on-site welding movable airtight protection device for the converter vaporization flue according to claim 4, characterized in that: the reinforcing ring (6) is of a circular arc structure consisting of two semicircular rings, the radius of the reinforcing ring is matched with the vaporization flue (1), and threaded holes matched with the connecting bolts (7) are formed in the two ends of each semicircular ring.
7. The on-site welding movable airtight protection device for the converter vaporization flue according to any one of claims 1-3, characterized in that: the vaporization flue (1) is supported by a support frame (9), and the top of the support frame (9) is processed into a radian matched with the vaporization flue (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020233512.3U CN211804508U (en) | 2020-02-28 | 2020-02-28 | Movable airtight protection device for field welding of converter vaporization flue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020233512.3U CN211804508U (en) | 2020-02-28 | 2020-02-28 | Movable airtight protection device for field welding of converter vaporization flue |
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| CN211804508U true CN211804508U (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085944A (en) * | 2021-11-25 | 2022-02-25 | 中国二十冶集团有限公司 | Combined jig frame for flue system and assembling method for flue system |
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2020
- 2020-02-28 CN CN202020233512.3U patent/CN211804508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085944A (en) * | 2021-11-25 | 2022-02-25 | 中国二十冶集团有限公司 | Combined jig frame for flue system and assembling method for flue system |
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