CN204081623U - The servicing unit of a kind of reducing desulfurizing tower upside-down mounting - Google Patents

The servicing unit of a kind of reducing desulfurizing tower upside-down mounting Download PDF

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Publication number
CN204081623U
CN204081623U CN201420351740.5U CN201420351740U CN204081623U CN 204081623 U CN204081623 U CN 204081623U CN 201420351740 U CN201420351740 U CN 201420351740U CN 204081623 U CN204081623 U CN 204081623U
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CN
China
Prior art keywords
support
tower
welded
reducing
mounting
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Application number
CN201420351740.5U
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Chinese (zh)
Inventor
龚广
陈克明
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中国一冶集团有限公司
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Priority to CN201420351740.5U priority Critical patent/CN204081623U/en
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Publication of CN204081623U publication Critical patent/CN204081623U/en

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Abstract

The utility model proposes the servicing unit of a kind of reducing desulfurizing tower upside-down mounting.This servicing unit comprises the first stent support system and the second stent support system, first stent support system is circumferentially installed on the inwall of tower body reducing by several first support, second stent support system is circumferentially installed on the inwall of tower body direct tube section by several second support, first support is welded by the first vertical support, the first horizontal support and welding steel and forms, and the second support is welded by bearing diagonal, the second horizontal support and the second vertical support and forms.The utility model structure is simple, safe and reliable, can complete being flip-chip mounted of desulfurizing tower tower body smoothly.

Description

The servicing unit of a kind of reducing desulfurizing tower upside-down mounting

Technical field

The utility model belongs to the technical field that steam power station desulfurizing tower is installed, and particularly relates to the servicing unit of a kind of reducing desulfurizing tower upside-down mounting.

Background technology

Desulfurizing tower is the key equipment in flue gas desulphurization system, its tower body mostly is cylindrical tube body structure, overall height is installed generally more than 30 meters, barrel diameter and quality are all larger, and mostly being Late reformation, construction plant is comparatively narrow and small, and adjacent building is comparatively intensive, large-scale crane cannot complete installation, and therefore tower body construction takes upside-down construction usually.

Current tower body upside-down method of hull-section construction is mainly by hydraulic lifting apparatus, and center stand column, girt, oblique pull supports, and promote and support, packing, the compositions such as force transmitting board, hydraulic lifting apparatus is made up of several self-locking type hydraulic jack.First be arranged on desulfurizing tower basis by tower body base plate, mounting center column is also fixing in the heart in the soleplate, and by uniform for hydraulic lifting apparatus base plate surrounding, respectively with girt (channel-section steel), oblique pull supports, and promotes support erecting and welding and forms an entirety.First by complete for first paragraph several pieces of wallboard erecting and welding in tower body top during installation, after force transmitting board, packing being installed on cylinder inwall respectively after forming a cylinder, just can carry out lifting first paragraph, after lifting puts in place, can the assembled of second segment wallboard be carried out.For without reducing cylindrical shell, upside-down installation method is easy to implement, and tower body is existed to the cylindrical shell of reducing, two kinds of methods below general employing: 1, Electric Chain Blocks Hoisting System, directly utilize cucurbit to promote reducing cylindrical shell, electric block stability and reliability is poor, there is oblique pull simultaneously, safety is also poor, and there be limited evidence currently of adopts; 2, make a false cylinder to promote cylindrical shell when installing reducing band, the temporal material that the method uses is many, and the false cylinder of installation and removal is time-consuming simultaneously.

Summary of the invention

Technical problem to be solved in the utility model is, for above-mentioned Problems existing, to provide the servicing unit of a kind of reducing desulfurizing tower upside-down mounting, and this safe and stable arrangement is reliable, and can utilize by secondary after auxiliary material dismounting, cost-saving, structure is simply time saving and energy saving.

The utility model solves the problems of the technologies described above adopted technical scheme: the servicing unit of a kind of reducing desulfurizing tower upside-down mounting, comprise the first stent support system and the second stent support system, first stent support system is circumferentially installed on the wallboard of tower body reducing by several first support, and two adjacent the first supports are connected by cylinder lever connecting rod; Second stent support system is circumferentially installed on the wallboard of tower body direct tube section by several second support, and two adjacent the second supports are all connected by cylinder lever connecting rod, and diagonal member is installed in centrosymmetric four the second support both sides being positioned at the second stent support system; Described tower body reducing place is the junction of tower body conical cylinder section top and top cylindrical cylindrical shell, and described tower body direct tube section is the cylindrical tube of tower body bottom.

By such scheme, the first described support is welded by the first vertical support, the first horizontal support and welding steel and forms, the first described vertical support and the first horizontal support are welded by two channel-section steel back side is relative, and a side end face of the first horizontal support and the medial surface bottom of the first vertical support are weldingly connected by welding steel.

By such scheme, weld two pieces in two channel-section steels of the first described horizontal support respectively and reinforce gusset.

By such scheme, the second described support is welded by bearing diagonal, the second horizontal support and the second vertical support and forms, described bearing diagonal and the second horizontal support are H profile steel, the side end face of bearing diagonal lower surface and the second horizontal support is weldingly connected, bearing diagonal becomes 60 ° of angles to arrange with the second horizontal support, the head and the tail both ends of the surface of the second described vertical support are weldingly connected respectively at the medial surface of bearing diagonal and the end face of the second horizontal support, and the second vertical support is i iron.

By such scheme, the left and right sides of the second described horizontal support is welded two pieces respectively and is reinforced gusset.

By such scheme, the first described vertical support top is provided with head plate, head plate is connected with the T-shaped bracket be welded in bottom top cylindrical cylinder inboard wall by bolt, and the first described horizontal support underrun bolt is connected with the junction plate be welded on conical cylinder section.

By such scheme, described bearing diagonal top is provided with head plate, and head plate is connected with the bracket being welded in direct tube section inwall top by bolt, and upper and lower two planes of the second described horizontal support are connected with the junction plate be welded on direct tube section inwall respectively by bolt.

The beneficial effects of the utility model are: 1, the utility model saves the material of the upside-down mounting of reducing desulfurizing tower, and can utilize by secondary after servicing unit dismounting, reduce installation cost; 2, servicing unit makes easily, removes convenient and safety and stability is reliable, solve make false cylinder install after cannot the problem such as overall pulling down; 3, servicing unit fabrication and installation are simple, reliable and stable in installation process, because the reason of reducing may change a difficult problem for hydraulic lifting apparatus overall structure position when thoroughly solving installation, significantly can improve operating efficiency, reduce costs, ensure the duration.

Accompanying drawing explanation

Fig. 1 is the structural representation of the desulfurizing tower of the utility model embodiment.

Fig. 2 is the scheme of installation of the first support of the utility model embodiment.

Fig. 3 is the Ith partial enlarged drawing of Fig. 2.

Fig. 4 is the IIth partial enlarged drawing of Fig. 2.

Fig. 5 is the elevation of the first support of the utility model embodiment.

Fig. 6 is the lateral view of the first support of the utility model embodiment.

Fig. 7 is the top view of the first stent support system of the utility model embodiment.

Fig. 8 is the scheme of installation of the second support of the utility model embodiment.

Fig. 9 is the Ith partial enlarged drawing of Fig. 8.

Figure 10 is the IIth partial enlarged drawing of Fig. 8.

Figure 11 is the elevation of the second support of the utility model embodiment.

Figure 12 is the lateral view of the second support of the utility model embodiment.

Figure 13 is the top view of the second stent support system of the utility model embodiment.

Wherein: 1. top cylindrical cylindrical shell, 2. conical cylinder section, 3. direct tube section, 4. the first support, 5. tower body wallboard, 6. bracket, 7. bolt, 8. head plate, 9. the first vertical support, 10. welding steel, 11. first horizontal supports, 12. reinforce gusset, 13. cylinder lever connecting rods, 14. bearing diagonals, 15. second horizontal supports, 16. second vertical support, 17. second supports, 18. diagonal members, 19. junction plates.

Detailed description of the invention

For understanding the utility model better, below in conjunction with drawings and Examples, the utility model will be further described.

As shown in figures 1-13, the servicing unit of a kind of reducing desulfurizing tower upside-down mounting, comprise the first stent support system and the second stent support system, first stent support system is circumferentially installed on the wallboard 5 of tower body reducing by several first support 4, two adjacent the first supports are connected by cylinder lever connecting rod 13, to ensure the stability of the first stent support system horizontal direction; Second stent support system is circumferentially installed on the wallboard of tower body direct tube section 3 by several second support 17, two adjacent the second supports are all connected by cylinder lever connecting rod, to ensure the stability of the second stent support system horizontal direction, diagonal member 18 is installed in centrosymmetric four the second support both sides being positioned at the second stent support system, improves the steadiness of whole second stent support system; Tower body reducing place is the junction of tower body conical cylinder section 2 top and top cylindrical cylindrical shell 1, and tower body direct tube section is the cylindrical tube of tower body bottom.The installation site of the first stent support system is arranged on conical cylinder section top as far as possible, ensureing the pulling force reducing the first support level direction when promoting, being unlikely to conical cylinder section end opening and producing moderate finite deformation.

First support 4 is welded by the first vertical support 9, first horizontal support 11 and welding steel 10 and forms, first vertical support and the first horizontal support are welded by two channel-section steel back side is relative, the medial surface bottom of welding the side end face and the first vertical support that two pieces are reinforced gusset 12, first horizontal support in two channel-section steels is respectively weldingly connected by welding steel.Second support 17 is welded by bearing diagonal 14, second horizontal support 15 and the second vertical support 16 and forms, bearing diagonal and the second horizontal support are H profile steel, the side end face of bearing diagonal lower surface and the second horizontal support is weldingly connected, bearing diagonal becomes 60 ° of angles to arrange with the second horizontal support, the left and right sides of the second horizontal support is welded two pieces respectively and is reinforced gusset 12, the head and the tail both ends of the surface of the second vertical support are weldingly connected respectively at the medial surface of bearing diagonal and the end face of the second horizontal support, and the second vertical support is i iron.

First vertical support 9 top is provided with head plate 8, and head plate is connected with the T-shaped bracket 6 be welded in bottom top cylindrical cylindrical shell 1 inwall by bolt 7, and the first horizontal support 11 underrun bolt is connected with the junction plate 19 be welded on conical cylinder section 2.Bearing diagonal 14 top is provided with head plate, and head plate is connected with the bracket being welded in direct tube section 3 inwall top by bolt, and the second horizontal support about 15 two plane is connected with the junction plate be welded on direct tube section inwall respectively by bolt.

When carrying out desulfurizing tower upside-down mounting, first by normal for top tower body upside-down mounting to cylindrical shell reducing place, now because diameter dimension becomes large, lifting appliance has with a certain distance from barrel, and hydraulic lifting apparatus cannot normally promote tower body.So arrange the first support at reducing place, be promoted to next band wallboard setting height(from bottom) after the first stent support system installs, after carrying out reducing, straight section cylindrical shell is installed, and arranges the second support, complete the upside-down mounting of tower body further at direct tube section.

Claims (7)

1. the servicing unit of reducing desulfurizing tower upside-down mounting, it is characterized in that, comprise the first stent support system and the second stent support system, the first stent support system is circumferentially installed on the wallboard of tower body reducing by several first support, and two adjacent the first supports are connected by cylinder lever connecting rod; Second stent support system is circumferentially installed on the wallboard of tower body direct tube section by several second support, and two adjacent the second supports are all connected by cylinder lever connecting rod, and diagonal member is installed in centrosymmetric four the second support both sides being positioned at the second stent support system; Described tower body reducing place is the junction of tower body conical cylinder section top and top cylindrical cylindrical shell, and described tower body direct tube section is the cylindrical tube of tower body bottom.
2. the servicing unit of a kind of reducing desulfurizing tower according to claim 1 upside-down mounting, it is characterized in that, the first described support is welded by the first vertical support, the first horizontal support and welding steel and forms, the first described vertical support and the first horizontal support are welded by two channel-section steel back side is relative, and a side end face of the first horizontal support and the medial surface bottom of the first vertical support are weldingly connected by welding steel.
3. the servicing unit of a kind of reducing desulfurizing tower according to claim 2 upside-down mounting, is characterized in that, welds two pieces respectively and reinforce gusset in two channel-section steels of the first described horizontal support.
4. the servicing unit of a kind of reducing desulfurizing tower according to claim 1 and 2 upside-down mounting, it is characterized in that, the second described support is welded by bearing diagonal, the second horizontal support and the second vertical support and forms, described bearing diagonal and the second horizontal support are H profile steel, the side end face of bearing diagonal lower surface and the second horizontal support is weldingly connected, bearing diagonal becomes 60 ° of angles to arrange with the second horizontal support, the head and the tail both ends of the surface of the second described vertical support are weldingly connected respectively at the medial surface of bearing diagonal and the end face of the second horizontal support, and the second vertical support is i iron.
5. the servicing unit of a kind of reducing desulfurizing tower according to claim 4 upside-down mounting, is characterized in that, the left and right sides of the second described horizontal support is welded two pieces respectively and reinforced gusset.
6. the servicing unit of a kind of reducing desulfurizing tower according to claim 4 upside-down mounting, it is characterized in that, the first described vertical support top is provided with head plate, head plate is connected with the T-shaped bracket be welded in bottom top cylindrical cylinder inboard wall by bolt, and the first described horizontal support underrun bolt is connected with the junction plate be welded on conical cylinder section.
7. the servicing unit of a kind of reducing desulfurizing tower according to claim 4 upside-down mounting, it is characterized in that, described bearing diagonal top is provided with head plate, head plate is connected with the bracket being welded in direct tube section inwall top by bolt, and upper and lower two planes of the second described horizontal support are connected with the junction plate be welded on direct tube section inwall respectively by bolt.
CN201420351740.5U 2014-06-27 2014-06-27 The servicing unit of a kind of reducing desulfurizing tower upside-down mounting CN204081623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420351740.5U CN204081623U (en) 2014-06-27 2014-06-27 The servicing unit of a kind of reducing desulfurizing tower upside-down mounting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420351740.5U CN204081623U (en) 2014-06-27 2014-06-27 The servicing unit of a kind of reducing desulfurizing tower upside-down mounting

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CN204081623U true CN204081623U (en) 2015-01-07

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CN201420351740.5U CN204081623U (en) 2014-06-27 2014-06-27 The servicing unit of a kind of reducing desulfurizing tower upside-down mounting

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105345288A (en) * 2015-11-20 2016-02-24 天津二十冶建设有限公司 Power-driven chain block combination device for installing desulfurizing tower and installation method
CN105776067A (en) * 2016-05-25 2016-07-20 中国能源建设集团湖南火电建设有限公司 Lifting device and inverted installing method for reducing absorption tower
CN105836678A (en) * 2016-05-25 2016-08-10 中国能源建设集团湖南火电建设有限公司 Lifting device and lifting method for large tank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105345288A (en) * 2015-11-20 2016-02-24 天津二十冶建设有限公司 Power-driven chain block combination device for installing desulfurizing tower and installation method
CN105776067A (en) * 2016-05-25 2016-07-20 中国能源建设集团湖南火电建设有限公司 Lifting device and inverted installing method for reducing absorption tower
CN105836678A (en) * 2016-05-25 2016-08-10 中国能源建设集团湖南火电建设有限公司 Lifting device and lifting method for large tank

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