CN202644961U - Lifting system for installing inner barrel of reinforced concrete tail gas chimney - Google Patents
Lifting system for installing inner barrel of reinforced concrete tail gas chimney Download PDFInfo
- Publication number
- CN202644961U CN202644961U CN 201220165236 CN201220165236U CN202644961U CN 202644961 U CN202644961 U CN 202644961U CN 201220165236 CN201220165236 CN 201220165236 CN 201220165236 U CN201220165236 U CN 201220165236U CN 202644961 U CN202644961 U CN 202644961U
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- inner core
- lift
- chimney
- steel
- carriage
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Abstract
The utility model discloses a lifting system for installing an inner barrel of a reinforced concrete tail gas chimney. The lifting system comprises a chimney concrete barrel; a plurality of bearing platforms are arranged on the inner wall of the chimney concrete barrel at intervals in the height direction; a portal frame is mounted at the top of the chimney concrete barrel; a pulley block is fixed on the portal frame; a steel wire rope passes through the pulley block; one end of the steel wire rope is connected onto a winch; the other end of the steel wire rope is connected with an inner barrel bracket; and a steel frame beam for installing a spliced flange plate is permanently fixed at the position of an inner barrel lifting passage on each bearing platform. The lifting system has the advantages of simple structure, convenience for assembly, low cost investment and the like.
Description
Technical field
The utility model belongs to the construction field of reinforced concrete chimney, relates in particular to a kind of installation system of reinforced concrete chimney inner core.
Background technology
Generally do not discharge self-temperature with reinforced concrete chimney in the existing sulfuric acid plant high but contain the useless flue gas of sour corrosion gas (sulfur-bearing), this reinforced concrete chimney mainly is to utilize on the flue gas heating and cooling condensation to reach the effect of collecting Tail Gas.Yet, steel concrete does not possess corrosion resistant characteristics, so be provided with a corrosion resistant inner core that utilizes steel concrete or the layering of steel platform vertically to fix in existing reinforced concrete chimney inside, to be used for the sour gas discharging, this inner core generally adopts the plastic materials such as polyvinyl chloride, polypropylene to make, the quality of single-unit inner core is not heavy but size is larger, is fit to medium-sized hoisting equipment wire rope lifting.
The conventional method that above-mentioned chimney internal cylinder is installed is that a portal frame is set in the chimney top, and then fixed block utilizes hoist engine to be used as power by pulley, and wire rope is made from the bottom up merogenesis lifting of lifting rope inner core.After fixing the first segment inner tube installation, next step hangs onto the second section inner core at side and installs on the fixing platform, then adjust the position of steel wire rope of windlass, again the second section inner core is moved to the inner core center line, drop on the first segment inner core, girder steel is installed after proofreading and correct is fixed, order is progressively upwards in place with all joint inner tube installation according to this.The shortcoming of this traditional hanging method is translation large scale object in the chimney narrow space, operation easier is large, efficiency of construction is low, and security risk is large, simultaneously owing to needing translation in the inner core hoisting process, before the inner core lifting, support inner core girder steel and movable platform plate need to remove first, along with the carrying out of inner core hoisting process, successively install again fixing, this has increased the workload of dismounting girder steel and movable platform plate virtually, and the simultaneously cooperation between the professional work post requires also relatively higher.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, easy to assembly, cost to drop into the little Lift-on/Lift-off System that is used for steel concrete tail gas funnel inner tube installation process.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is a kind of Lift-on/Lift-off System for steel concrete tail gas funnel inner tube installation process, described Lift-on/Lift-off System comprises the chimney concrete barrel, be arranged at intervals with a plurality of support platforms in short transverse on the inwall of chimney concrete barrel, the top of chimney concrete barrel is equiped with portal frame, be fixed with assembly pulley on the portal frame, the described assembly pulley of one steel wire penetrating, and an end of wire rope is connected on the hoist engine, and the other end is connected with an inner core carriage; Permanent being fixed be used to the truss-steel beam that spliced flange is installed in inner core handling passage place on the described support platform.
In the above-mentioned Lift-on/Lift-off System, described spliced flange is preferably assembled by connector (for example bolt) by two flange splices that match.
In the above-mentioned Lift-on/Lift-off System, described inner core carriage is preferably a cross steel carriage, and four jiaos of described cross steel carriage are provided with four suspension ring, and four suspension ring are vertical and be arranged symmetrically with in twos; Be provided with in addition anti-sidesway bolt on the described cross steel carriage.
Above-mentioned Lift-on/Lift-off System of the present utility model is preferred in the installation process of following steel concrete tail gas funnel inner core, and this installation process may further comprise the steps:
(1) makes inner core: make not the single-unit inner core with fixed flange, and the periphery on single-unit inner core top is connected with a spacer ferrule;
(2) mounting platform: in the interior space of described steel concrete tail gas funnel every the support platform that installs each layer, and at the fixing truss-steel beam of each support platform;
(3) lifting inner core: the single-unit inner core lifting that will make of hanging device is near the support platform of top layer, then with the periphery of a spliced flange hoop at this single-unit inner core, and by securing member spliced flange is fixed on the truss-steel beam of this support platform, transfer this single-unit inner core by hanging device again, make this single-unit inner core fall to putting on described spliced flange by the spacer ferrule that arranges on it; Then repeat this step, and successively remaining each single-unit inner core is lifted on respectively on the support platform of each layer according to top-down order;
(4) connect sealing: behind the whole installation in position of each single-unit inner core, again with erosion-resisting high-molecular organic material with the gap sealing between adjacent two single-unit inner cores, finish the installation of whole chimney internal cylinder.
In the mounting method of above-mentioned steel concrete tail gas funnel inner core, described hanging device comprises hoist engine, be installed on the pulley on the portal frame of chimney top and be arranged in wire rope on the pulley, one end of wire rope is connected on the hoist engine, and the other end is connected with an inner core carriage.
After the utility model is applied to above-mentioned mounting method, have following distinguishing feature:
(1) after Lift-on/Lift-off System of the present utility model is applied in the above-mentioned installation process, changes the way that the single-unit inner core is installed in the prior art from the bottom up successively, according to top-down order the single-unit inner core is installed successively; The lifting of each single-unit inner core only limits to carry out the vertical lifting motion in chimney internal cylinder design occupation of land, has cancelled the translational motion of original each single-unit inner core;
(2) match with top-down installation order in the above-mentioned installation process, when the making of each single-unit inner core, cancelled the setting of fixed plastic flange on the former single-unit inner core, fixed plastic flange is adapted as spliced flange, preferably spliced flange is arranged to half-and-half spliced flange; Meanwhile, at the peripheral solder one circle spacer ferrule of each single-unit inner core, fall to putting stress point on spliced flange as each single-unit inner core;
(3) after Lift-on/Lift-off System of the present utility model is applied in the above-mentioned installation process, directly will fix the disposable installation in position of truss-steel beam of each single-unit inner core on support platform, and in the hoisting process of each single-unit inner core, need not truss-steel beam is re-started dismounting and assembling.
Compared with prior art, the utility model has the advantage of: after being applied to Lift-on/Lift-off System of the present utility model in the installation process, because the handling to each single-unit inner core all is on the same vertical plane, therefore installation process does not need the translation inner core, this has improved the safety of installation process at first greatly, and efficiency of construction also is improved significantly.In addition, installation application practice of the present utility model proves, a chimney internal cylinder is installed equally, adopts Lift-on/Lift-off System of the present utility model to compare with traditional Lift-on/Lift-off System, in the situation that installation personnel reduces half, efficiency of construction still can double; And because the concrete tube wall of steel concrete tail gas funnel is mainly used in supporting inner core, the required bulk of translation single-unit inner core when therefore when the bore of design chimney, not needing as conventional method, to consider that chimney internal cylinder is installed, so just, can make the diameter of chimney concrete tube wall reduce 2/5, and can not affect the installation of chimney internal cylinder, comprehensive benefit is very remarkable.Lift-on/Lift-off System of the present utility model not only simple in structure, easy for installation, equipment investment is little, cost is low, and can significantly provide the efficiency of construction in the installation process.
Description of drawings
Fig. 1 is the Lift-on/Lift-off System structural representation that is used for steel concrete tail gas funnel inner tube installation process among the utility model embodiment.
Fig. 2 is the cutaway view Amplified image (near one deck support platform in A-A place only is shown) at A-A place among the utility model Fig. 1.
Fig. 3 is the partial enlarged drawing at B place among the utility model Fig. 1.
Marginal data:
1. chimney concrete barrel; 2. truss-steel beam; 3. single-unit inner core; 4. spliced flange; 41. semi-circular flange splice; 42. connecting bolt; 5. support platform; 6. inner core handling passage; 7. wire rope; 8. assembly pulley; 9. spacer ferrule; 10. inner core carriage; 11. anti-sidesway bolt; 12. hoist engine; 13. portal frame.
The specific embodiment
Below in conjunction with Figure of description and specific embodiment the utility model is further described.
Embodiment:
A kind of such as Fig. 1, Fig. 2 and the Lift-on/Lift-off System that is used for steel concrete tail gas funnel inner tube installation process shown in Figure 3, this Lift-on/Lift-off System comprises chimney concrete barrel 1, be arranged at intervals with a plurality of support platforms 5 in short transverse on the inwall of chimney concrete barrel 1, the top of chimney concrete barrel 1 is equiped with portal frame 13, be fixed with assembly pulley 8 on the portal frame 13, one wire rope 7 passes assembly pulley 8, and an end of wire rope 7 is connected on the hoist engine 12, and the other end is connected with an inner core carriage 10; Hoist engine 12, assembly pulley 8, wire rope 7 and inner core carriage 10 etc. form the hanging device of the present embodiment Lift-on/Lift-off System; Permanent being fixed be used to the truss-steel beam 2 that spliced flange 4 is installed in inner core handling passage 6 places on the support platform 5.
In the Lift-on/Lift-off System of the present embodiment, spliced flange 4 is comprised of two semi-circular flange splices 41 that match, and semi-circular flange splice 41 is assembled into spliced flange 4 by connecting bolt 42.
In the Lift-on/Lift-off System of the present embodiment, inner core carriage 10 is a cross steel carriage, and four jiaos of this cross steel carriage are provided with four suspension ring, and four suspension ring are vertical and be arranged symmetrically with in twos; Be provided with in addition anti-sidesway bolt 11 on the cross steel carriage.
Take the interior tube construction of the sulfuric acid tail gas chimney of a 90m as example, adopt Lift-on/Lift-off System of the present utility model to carry out the lifting construction of chimney internal cylinder, specifically may further comprise the steps:
(1) make inner core: the chimney internal cylinder that is used for discharging sulfur acid flue gas in the present embodiment adopts the polypropylene material to make, make first not the single-unit inner core 3 with fixed flange, the external diameter of single-unit inner core 3 is 2400mm, the height of single-unit inner core 3 is 4950mm, and the periphery on single-unit inner core 3 tops be connected with a high 20cm, thick 2cm and with the spacer ferrule 9 of inner core with material;
(2) mounting platform: at the every interval 5m of interior sky (that is on inwall of chimney concrete barrel 1) of steel concrete tail gas funnel one deck support platform 5(is set and in the work progress of chimney concrete barrel 1, has preset concrete bracket, to be used for arranging support platform 5), and at the fixing truss-steel beam 2 of each support platform 5, make the Separation control of truss-steel beam 2 and chimney internal cylinder outer wall about 40mm; Because truss-steel beam 2 in the mounting method of the present utility model is disposably and permanently to be fixed on the support platform 5 (follow-up need not to carry out dismounting) again, can pass through smoothly from the inner core handling passage 6 on the support platform 5 during handling when guaranteeing that follow-up single-unit inner core 3 from the bottom up, single-unit inner core 3 of the present utility model has been cancelled the fixed plastics flange that arranges in the upper prior art, change detachable spliced flange 4 into, also be provided with spacer ferrule 9 on the single-unit inner core 3 simultaneously, to drop on the stress point on the spliced flange 4 as single-unit inner core 3;
(3) hanging device is installed: at the embedding ironware in the top of chimney concrete barrel 1, and assemble a portal frame 13(at the top of chimney concrete barrel 1 when the chimney construction concrete barrel 1 by pre-buried ironware, portal frame 13 material therefors are positioned over the chimney top), portal frame 13 is comprised of two vertical rods and a cross bar splicing; Then assembly pulley 8 is fixed on the portal frame 13, assembly pulley 8 includes two pulleys, and one is arranged on outside the inner diameter of steel flue scope, and another is arranged on the central axis of inner core; Chimney bottom can arrange an angle pulley, and the wire rope 7 with on the nylon rope connection hoist engine 12 makes it pass the angle pulley of assembly pulley 8 and bottom;
(4) lifting inner core: at first, with the self-control flat car first single-unit inner core of having made 3 is erect in the propelling tail gas funnel, and be placed on the installation site of chimney internal cylinder design, chaining bar cucurbit is this single-unit inner core 3 50cm that slings on the support platform of the bottom, then the cross steel carriage is placed on this single-unit inner core bottom, preparing four sections consistent wire rope of length at the suspension ring extension wire rope 7(of cross steel carriage is connected respectively it with four suspension ring, the angle of the wire rope after stretching and cross steel tray chamber is about 70 °), by chain block single-unit inner core 3 is placed on the cross steel carriage, then starting hoist engine 12 upwards lifts by crane 30cm and tries to hang, steadily again in order to the hanging device of upper Lift-on/Lift-off System with this single-unit inner core 3 upwards lifting near the support platform 5 of top layer, stop hanging until exceed the position of the setting height(from bottom) 5cm of this single-unit inner core 3, then around the outer wall of single-unit inner core 3 with two semi-circular flange splices 41 by connecting bolt 42 assemblings, one spliced flange 4 and the hoop periphery at this single-unit inner core 3, by securing member spliced flange 4 is fixed on the truss-steel beam 2 of this support platform 5 again, slowly transfer this single-unit inner core 3 by the hoist engine 12 of hanging device, make this single-unit inner core 3 fall to putting on spliced flange 4 by the spacer ferrule 9 that arranges on it, then the single-unit inner core 3 of top layer installs;
Then put down the cross steel carriage, repeat this step, and successively remaining each single-unit inner core 3 is lifted on respectively according to top-down order on the support platform 5 of each layer of below;
(5) connect sealing: behind each single-unit inner core 3 whole installation in position, use again erosion-resisting high-molecular organic material (the present embodiment adopts the welding of polypropylene soft board) with the gap sealing of 3 of adjacent two single-unit inner cores, to finish the installation of whole chimney internal cylinder.
After the chimney internal cylinder installation, manually put wire rope 7 on ground with nylon rope and be recovered on the hoist engine 12, after portal frame 13 is removed, manually be put on the ground with nylon rope.
Claims (3)
1. Lift-on/Lift-off System that steel concrete tail gas funnel inner core be used for to be installed, described Lift-on/Lift-off System comprises the chimney concrete barrel, be arranged at intervals with a plurality of support platforms in short transverse on the inwall of chimney concrete barrel, the top of chimney concrete barrel is equiped with portal frame, it is characterized in that: be fixed with assembly pulley on the portal frame, the described assembly pulley of one steel wire penetrating, and an end of wire rope is connected on the hoist engine, and the other end is connected with an inner core carriage; Permanent being fixed be used to the truss-steel beam that spliced flange is installed in inner core handling passage place on the described support platform.
2. Lift-on/Lift-off System according to claim 1, it is characterized in that: described spliced flange is assembled by connector by two flange splices that match.
3. Lift-on/Lift-off System according to claim 1 and 2, it is characterized in that: described inner core carriage is a cross steel carriage, and four jiaos of described cross steel carriage are provided with four suspension ring, and four suspension ring are vertical and be arranged symmetrically with in twos; Be provided with in addition anti-sidesway bolt on the described cross steel carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165236 CN202644961U (en) | 2012-04-18 | 2012-04-18 | Lifting system for installing inner barrel of reinforced concrete tail gas chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165236 CN202644961U (en) | 2012-04-18 | 2012-04-18 | Lifting system for installing inner barrel of reinforced concrete tail gas chimney |
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| Publication Number | Publication Date |
|---|---|
| CN202644961U true CN202644961U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220165236 Expired - Lifetime CN202644961U (en) | 2012-04-18 | 2012-04-18 | Lifting system for installing inner barrel of reinforced concrete tail gas chimney |
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| Country | Link |
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| CN (1) | CN202644961U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619376A (en) * | 2012-04-18 | 2012-08-01 | 二十三冶建设集团有限公司 | Method for installing inner barrel of reinforced concrete tail gas chimney and lifting system for method |
| CN105129599A (en) * | 2015-09-01 | 2015-12-09 | 山东电力建设第一工程公司 | Lifting appliance special for hydraulically lifting glass reinforced plastic inner cylinder of chimney and construction method of lifting appliance |
| CN109332430A (en) * | 2018-11-15 | 2019-02-15 | 上海宝冶集团有限公司 | A kind of mast promotion machine straightening device |
| CN110206376A (en) * | 2019-06-10 | 2019-09-06 | 江苏新大高空工程有限公司 | Chimney transformation inner cylinder hanging apparatus and working method |
| CN110395671A (en) * | 2019-06-18 | 2019-11-01 | 五冶集团上海有限公司 | Hanging apparatus is used in a kind of maintenance of chimney |
| CN110450871A (en) * | 2019-09-23 | 2019-11-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crawler body and engineering truck |
| CN111634835A (en) * | 2020-04-28 | 2020-09-08 | 中国二十冶集团有限公司 | Chimney upside-down mounting type hoisting method |
-
2012
- 2012-04-18 CN CN 201220165236 patent/CN202644961U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619376A (en) * | 2012-04-18 | 2012-08-01 | 二十三冶建设集团有限公司 | Method for installing inner barrel of reinforced concrete tail gas chimney and lifting system for method |
| CN102619376B (en) * | 2012-04-18 | 2015-04-08 | 二十三冶建设集团有限公司 | Method for installing inner barrel of reinforced concrete tail gas chimney and lifting system for method |
| CN105129599A (en) * | 2015-09-01 | 2015-12-09 | 山东电力建设第一工程公司 | Lifting appliance special for hydraulically lifting glass reinforced plastic inner cylinder of chimney and construction method of lifting appliance |
| CN109332430A (en) * | 2018-11-15 | 2019-02-15 | 上海宝冶集团有限公司 | A kind of mast promotion machine straightening device |
| CN109332430B (en) * | 2018-11-15 | 2020-04-14 | 上海宝冶集团有限公司 | Mast lifting and straightening device |
| CN110206376A (en) * | 2019-06-10 | 2019-09-06 | 江苏新大高空工程有限公司 | Chimney transformation inner cylinder hanging apparatus and working method |
| CN110395671A (en) * | 2019-06-18 | 2019-11-01 | 五冶集团上海有限公司 | Hanging apparatus is used in a kind of maintenance of chimney |
| CN110450871A (en) * | 2019-09-23 | 2019-11-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crawler body and engineering truck |
| CN111634835A (en) * | 2020-04-28 | 2020-09-08 | 中国二十冶集团有限公司 | Chimney upside-down mounting type hoisting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410015 Changsha East Road, Hunan, No. 289 Patentee after: THE 23TH METALLURGICAL CONSTRUCTION GROUP CO., LTD. OF MINMETALS Address before: 410015 Changsha East Road, Hunan, No. 289 Patentee before: Ershisanye Construction Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |