CN104759856A - Manufacturing and installing method for upper cone on dry quenching furnace shell - Google Patents
Manufacturing and installing method for upper cone on dry quenching furnace shell Download PDFInfo
- Publication number
- CN104759856A CN104759856A CN201510192502.3A CN201510192502A CN104759856A CN 104759856 A CN104759856 A CN 104759856A CN 201510192502 A CN201510192502 A CN 201510192502A CN 104759856 A CN104759856 A CN 104759856A
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- China
- Prior art keywords
- hanger
- steel plate
- fan
- dry quenching
- upper cone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a manufacturing and installing method for an upper cone on a dry quenching furnace shell. The method includes the following steps that the upper cone on the dry quenching furnace shell is set out into a fan-shaped sample plate, and the outline of the fan-shaped sample plate is drawn on a manufacturing plane according to the practical proportion; a steel plate is fully laid on the outline of the whole fan-shaped sample plate, and a fan-shaped steel plate is formed in a welding mode. Four lifting lugs are arranged on the fan-shaped steel plate, the two middle lifting lugs are connected with a crane lifting hook through steel wire ropes, and the lifting lugs on the two sides are connected with the crane lifting hook through chain blocks and steel wire ropes. After the fan-shaped steel plate is lifted through the crane, three lifting lugs are arranged on the inner side of the fan-shaped steel plate and adjust contracting of the lower end of the fan-shaped steel plate through pulleys, chain blocks and steel wire ropes, and a conical steel plate is formed. The conical steel plate is welded to be manufactured into the upper cone of the dry quenching furnace shell, the upper cone of the dry quenching furnace shell is lifted and is in direct butt joint with the dry quenching furnace shell, and installation is completed. According to the manufacturing and installing method for the upper cone on the dry quenching furnace shell, the upper cone of the dry quenching furnace shell can be integrally spliced on the ground to be used, a temporary platform does not need to be erected, and time, labor and materials are saved.
Description
Technical field
The present invention relates to a kind of structure steel fabrication and installation method, particularly relate to a kind of coke dry quenching boiler shell upper cone and make and installation method.
Background technology
Coke dry quenching boiler shell is the vertical cell body of circular cross-section, and shell is formed by steel plate and section steel manufacture, and middle and top is cone shape, and other is straight tube shape.The furnace shell of existing cone shape makes and installation method makes according to veneer reeling machine roll bending ability and the blanking of on-the-spot steel plate wide point three ~ tetra-circle usually, and after ground layering is assembled, then other furnace shells of integral hoisting and coke dry quenching furnace dock.This construction method, steel plate loss large (drawing measuring and calculating loss is 7%), splicing welding joint is many; When layering is assembled, temporary weld operating platform need be set up when each layer frustum docks mutually, not only waste time and energy; And complete in high-altitude because of the welding job of the workmen overwhelming majority, there is certain potential safety hazard, very large on the construction speed impact of whole upper cone.Therefore we make and installation method in the urgent need to a kind of new coke dry quenching boiler shell upper cone, large to solve steel plate loss, improve construction speed.
Summary of the invention
A kind of coke dry quenching boiler shell upper cone is the object of the present invention is to provide to make and installation method, what the method adopted crane raw sheet material level to be spliced huge fan-shapedly slings, hugely fan-shapedly evenly be encircled into frustum, no longer need to set up temporary platform, whole cone one-shot forming, efficiency of construction is high, and the proportion of goods damageds of steel plate also reduce greatly.
The present invention is achieved in that
A kind of coke dry quenching boiler shell upper cone makes and installation method, comprises the steps:
Step one, be the setting-out of coke dry quenching boiler shell upper cone according to CAD figure, reserved semi auto cutting machine line of cut width
In making plane, 1:1 carries out setting-out to coke dry quenching boiler shell upper cone, is specially and the setting-out of coke dry quenching boiler shell upper cone is become a fan-shaped model, is making profile plane drawing fan-shaped model by actual ratio;
Step 2, steel plate is carried out CAD plane typesetting to steel plate according to the profile in step one be paved with whole fan-shaped gage profile, and reserved semi auto cutting machine line of cut width;
Step 3, the steel plate in step 2 to be welded, form fan-shaped steel plate;
Step 4, suspension centre is set
Establish 4 hangers (4 hangers and fan-shaped steel plate adopt and be welded to connect) in fan-shaped steel plate top uniform ring, described 4 hangers are followed successively by the first hanger, the second hanger, the 3rd hanger, the 4th hanger;
Second hanger is connected with hoist lifting hook by the first steel wire rope; 3rd hanger is connected with hoist lifting hook by the second steel wire rope; First hanger is connected with hoist lifting hook by the first chain block, the 3rd steel wire rope successively; 4th hanger is connected with hoist lifting hook by the second chain block, the 4th steel wire rope successively;
First steel wire rope is equal with the length of the second steel wire rope, and the length of the 3rd steel wire rope and the 4th steel wire rope is equal, and the 3rd steel wire rope is than the first length of steel rope;
Step 5, lifting splicing
With crane, the fan-shaped steel plate being installed on hanger and steel wire rope is sling, crane hooks up gradually, second hanger and the 3rd hanger are gradually higher than the first hanger and the 4th hanger, and the first chain block regulates the height of the first hanger, and the second chain block regulates the height of the 4th hanger;
After fan-shaped steel plate is sling, suitable for reading adjacent, surround cone gradually; At this moment, at the welding of fan-shaped steel plate lower inside the 5th hanger, the 6th hanger and the 7th hanger; Described 5th hanger is provided with pulley, and one end of the 5th steel wire rope is connected with the 6th hanger, and the other end of the 5th steel wire rope is connected with the 7th hanger by the 3rd chain block through after pulley;
Operate the 3rd chain block, make fan-shaped steel plate end opening gradually in draw close to adjacent, fan-shaped steel plate forms tapered steel plate;
Taper steel plate is fallen to and makes in plane, and by location-plate, taper steel plate is fixed in making plane, make bottom taper steel plate and top formation positive round;
Adopt layout butt joint to weld taper steel plate opening part, complete the making of coke dry quenching boiler shell upper cone;
Step 6, the coke dry quenching boiler shell upper cone in step 5 to be sling, coke dry quenching boiler shell upper cone is docked with coke dry quenching furnace housing straight section, completes the installation of coke dry quenching boiler shell upper cone.
In step 6, coke dry quenching furnace housing straight section and coke dry quenching boiler shell upper cone carry out butt welding after being corrected by wedge, and coke dry quenching boiler shell upper cone and top backing ring connect, and then directly integral hoisting has been welded to absolute altitude 28.7m place with furnace shell direct tube section, and furnace shell binds.
Further scheme is: the length of the 3rd steel wire rope is 1.2 ~ 1.5 times of the length of the first steel wire rope.
Further scheme is: described 5th hanger is positioned at the middle and lower part of fan-shaped steel plate, and the 6th hanger limit on the left of fan-shaped steel plate, the 7th hanger is near fan-shaped steel plate right edge.
Main beneficial effect of the present invention is: the integral assembling of coke dry quenching boiler shell upper cone just can carry out on the ground, without the need to setting up temporary platform, having saved time, manpower and material, having improve operating efficiency; Simplify the manufacture and installation of whole coke dry quenching boiler shell upper cone, improve fabrication and installation efficiency of construction; Because just completing the integral assembling of coke dry quenching boiler shell upper cone on the ground, avoiding the work high above the ground in existing method, decreasing the potential safety hazard of coke dry quenching boiler shell upper cone fabrication and installation; The one-shot forming of coke dry quenching boiler shell upper cone, intensity is high, can improve the service life of coke dry quenching boiler shell upper cone; Sectorial area after the overall setting-out of coke dry quenching boiler shell upper cone is very large, the tiling of whole of steel plate, and namely decrease weld seam quantity, be downhand welding again, the proportion of goods damageds of steel plate reduce greatly, drops to 2.3% from drawing measuring and calculating loss from 7%.
Accompanying drawing explanation
Fig. 1 is the structural representation of coke dry quenching boiler shell upper cone;
Fig. 2 is step one schematic diagram;
Fig. 3 is step 2 schematic diagram;
Fig. 4 is the fan-shaped steel plate schematic diagram establishing 4 hangers;
Fig. 5 is the connection diagram of fan-shaped steel plate and hoist lifting hook;
Fig. 6 is that crane is sling the schematic diagram of fan-shaped steel plate;
Fig. 7 is the schematic diagram that fan-shaped steel plate is made into taper steel plate;
Fig. 8 is coke dry quenching boiler shell upper cone and coke dry quenching furnace housing straight section docking structure schematic diagram.
In figure: 1. coke dry quenching boiler shell upper cone; 2. fan-shaped model; 3. steel plate; 4-1. first steel wire rope; 4-2. second steel wire rope; 4-3. the 3rd steel wire rope; 4-4. the 4th steel wire rope; 4-5. the 5th steel wire rope; 5-1. first chain block; 5-2. second chain block; 5-3. the 3rd chain block; 7. pulley; 8. location-plate; 9. jigsaw butt joint; 10. make plane; 11. coke dry quenching boiler shell straight sections; 12. hoist lifting hooks; A. the first hanger; B. the second hanger; C. the 3rd hanger; D. the 4th hanger; E. the 5th hanger; F. the 6th hanger; G. the 7th hanger; 14. fan-shaped steel plates; 15. taper steel plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
See Fig. 1-Fig. 8, a kind of coke dry quenching boiler shell upper cone makes and installation method, comprises the steps:
Step one, be coke dry quenching boiler shell upper cone 1 setting-out according to CAD figure, reserved semi auto cutting machine line of cut width
In making plane 10,1:1 carries out setting-out to coke dry quenching boiler shell upper cone 1, is specially and coke dry quenching boiler shell upper cone 1 setting-out is become a fan-shaped model 2, is making profile plane 10 drawing fan-shaped model 2 by actual ratio;
Step 2, be that the steel plate 3 of 10mm*2000mm*6000mm carries out CAD plane typesetting to steel plate 3 according to the profile in step one and is paved with whole fan-shaped model 2 profile by specification, and reserved semi auto cutting machine line of cut width;
Step 3, the steel plate 3 in step 2 to be welded, form fan-shaped steel plate 14;
Step 4, suspension centre is set
4 hangers (4 hangers and fan-shaped steel plate 14 adopt and be welded to connect) are established in fan-shaped steel plate 14 top uniform ring, described 4 hangers are followed successively by the first hanger A, the second hanger B, the 3rd hanger C, the 4th hanger D, determine the direction of 4 hangers according to the Impact direction of the steel wire rope of corresponding first hanger A, the second hanger B, the 3rd hanger C, the 4th hanger D;
Second hanger B is connected with hoist lifting hook 12 by the first steel wire rope 4-1; 3rd hanger C is connected with hoist lifting hook 12 by the second steel wire rope 4-2; First hanger A is connected with hoist lifting hook 12 by the first chain block 5-1, the 3rd steel wire rope 4-3 successively; 4th hanger D is connected with hoist lifting hook 12 by the second chain block 5-2, the 4th steel wire rope 4-4 successively;
First steel wire rope 4-1 is equal with the length of the second steel wire rope 4-2, and the length of the 3rd steel wire rope 4-3 and the 4th steel wire rope 4-4 is equal, and the 3rd steel wire rope 4-3 is longer than the first steel wire rope 4-1; In order to reach good lifting effect, making fan-shaped steel plate 14 form taper steel plate 15, the Design of length of the 3rd steel wire rope 4-3 being become 1.3 times of the length of the first steel wire rope 4-1;
Step 5, lifting splicing
With crane, the fan-shaped steel plate 14 being installed on hanger and steel wire rope is sling, crane hooks up gradually, second hanger B and the 3rd hanger C is gradually higher than the first hanger A and the 4th hanger D, and the first chain block 5-1 regulates the height of the first hanger A, and the second chain block 5-2 regulates the height of the 4th hanger D;
After fan-shaped steel plate 14 is sling, suitable for reading adjacent, surround cone gradually; At this moment, at the welding of fan-shaped steel plate 14 lower inside the 5th hanger E, the 6th hanger F and the 7th hanger G; Described 5th hanger E is provided with pulley 7, and one end of the 5th steel wire rope 4-5 is connected with the 6th hanger F, and the other end of the 5th steel wire rope 4-5 is connected with the 7th hanger G by the 3rd chain block 5-3 through after pulley 7; For the ease of drawing close of fan-shaped steel plate 14 bottom, fan-shaped steel plate 14 perfection is made to form taper steel plate 15,5th hanger E is arranged on the middle and lower part of fan-shaped steel plate 14, the 6th hanger F is arranged on limit on the left of fan-shaped steel plate 14, and the 7th hanger G is arranged near fan-shaped steel plate 14 right edge;
Operate the 3rd chain block 5-3, make fan-shaped steel plate 14 end opening gradually in draw close to adjacent, fan-shaped steel plate 14 forms tapered steel plate 15;
Fallen to by taper steel plate 15 and make in plane 10, and be fixed in making plane 10 by taper steel plate 15 by location-plate 8, taper steel plate 15 elasticity is opened outward, and location-plate 8 is close to by tapered steel plate 15, makes bottom taper steel plate 15 and top formation positive round;
Adopt layout butt joint 9 pairs of taper steel plate 15 opening parts to weld, complete the making of coke dry quenching boiler shell upper cone 1;
Step 6, the coke dry quenching boiler shell upper cone 1 in step 5 to be sling, coke dry quenching boiler shell upper cone 1 is docked with coke dry quenching furnace housing straight section 11, completes the installation of coke dry quenching boiler shell upper cone 1.
In step 6, coke dry quenching furnace housing straight section 11 and coke dry quenching boiler shell upper cone 1 carry out butt welding after being corrected by wedge, coke dry quenching boiler shell upper cone 1 and top backing ring connect, and then directly integral hoisting has been welded to absolute altitude 28.7m place with furnace shell direct tube section, and furnace shell binds.
More than illustrate and be only Application Example of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalence change that the present patent application the scope of the claims is done, still belong to protection scope of the present invention.
Claims (3)
1. coke dry quenching boiler shell upper cone makes and an installation method, it is characterized in that comprising the steps:
Step one, making plane on setting-out is carried out to coke dry quenching boiler shell upper cone
The setting-out of coke dry quenching boiler shell upper cone is become a fan-shaped model, makes profile plane drawing fan-shaped model by actual ratio;
Step 2, steel plate is paved with whole fan-shaped gage profile according to profile typesetting to the steel plate in step one, and reserved semi auto cutting machine line of cut width;
Step 3, the steel plate in step 2 to be welded, form fan-shaped steel plate;
Step 4, suspension centre is set
Establish 4 hangers in fan-shaped steel plate top uniform ring, described 4 hangers are followed successively by the first hanger, the second hanger, the 3rd hanger, the 4th hanger;
Second hanger is connected with hoist lifting hook by the first steel wire rope; 3rd hanger is connected with hoist lifting hook by the second steel wire rope; First hanger is connected with hoist lifting hook by the first chain block, the 3rd steel wire rope successively; 4th hanger is connected with hoist lifting hook by the second chain block, the 4th steel wire rope successively;
First steel wire rope is equal with the length of the second steel wire rope, and the length of the 3rd steel wire rope and the 4th steel wire rope is equal, and the 3rd steel wire rope is than the first length of steel rope;
Step 5, lifting splicing
With crane, the fan-shaped steel plate being installed on hanger and steel wire rope is sling, crane hooks up gradually, second hanger and the 3rd hanger are gradually higher than the first hanger and the 4th hanger, and the first chain block regulates the height of the first hanger, and the second chain block regulates the height of the 4th hanger;
After fan-shaped steel plate is sling, suitable for reading adjacent, surround cone gradually; At this moment, at the welding of fan-shaped steel plate lower inside the 5th hanger, the 6th hanger and the 7th hanger; Described 5th hanger is provided with pulley, and one end of the 5th steel wire rope is connected with the 6th hanger, and the other end of the 5th steel wire rope is connected with the 7th hanger by the 3rd chain block through after pulley;
Operate the 3rd chain block, make fan-shaped steel plate end opening draw close to adjacent gradually, fan-shaped steel plate forms tapered steel plate;
Taper steel plate is fallen to and makes in plane, and by location-plate, taper steel plate is fixed in making plane, make bottom taper steel plate and top formation positive round;
Adopt layout butt joint to weld taper steel plate opening part, complete the making of coke dry quenching boiler shell upper cone;
Step 6, the coke dry quenching boiler shell upper cone in step 5 to be sling, coke dry quenching boiler shell upper cone is docked with coke dry quenching furnace housing straight section, completes the installation of coke dry quenching boiler shell upper cone.
2. coke dry quenching boiler shell upper cone as claimed in claim 1 makes and installation method, it is characterized in that: the length of the 3rd steel wire rope is 1.2 ~ 1.5 times of the length of the first steel wire rope.
3. coke dry quenching boiler shell upper cone as claimed in claim 1 makes and installation method, and it is characterized in that: described 5th hanger is positioned at the middle and lower part of fan-shaped steel plate, the 6th hanger limit on the left of fan-shaped steel plate, the 7th hanger is near fan-shaped steel plate right edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192502.3A CN104759856B (en) | 2015-04-22 | 2015-04-22 | Coke dry quenching boiler shell upper cone makes and installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510192502.3A CN104759856B (en) | 2015-04-22 | 2015-04-22 | Coke dry quenching boiler shell upper cone makes and installation method |
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| CN104759856A true CN104759856A (en) | 2015-07-08 |
| CN104759856B CN104759856B (en) | 2017-01-04 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127279A (en) * | 2017-12-26 | 2018-06-08 | 中国化学工程第三建设有限公司 | A kind of one-time formed method of cone |
| CN109675972A (en) * | 2018-12-29 | 2019-04-26 | 南通远洋船舶配套有限公司 | A kind of quick molding method of large scale cone |
| CN110666249A (en) * | 2019-09-27 | 2020-01-10 | 芜湖中集瑞江汽车有限公司 | Tank body beveling blanking process |
| CN111468243A (en) * | 2020-04-07 | 2020-07-31 | 五冶集团上海有限公司 | Hoisting method of cone of vertical mill |
| CN112008280A (en) * | 2020-08-28 | 2020-12-01 | 上海宝冶集团有限公司 | Manufacturing method of rectangular flue elbow |
| CN113279588A (en) * | 2021-07-07 | 2021-08-20 | 浙江天地环保科技股份有限公司 | Conical tank top manufacturing and mounting structure and method |
| CN113979280A (en) * | 2021-11-08 | 2022-01-28 | 重庆钢铁集团建设工程有限公司 | Conical cover manufacturing and processing method |
| CN115673694A (en) * | 2023-01-03 | 2023-02-03 | 内江东工设备制造股份有限公司 | Manufacturing method of oversized steel bifurcated pipe |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127279A (en) * | 2017-12-26 | 2018-06-08 | 中国化学工程第三建设有限公司 | A kind of one-time formed method of cone |
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| CN109675972A (en) * | 2018-12-29 | 2019-04-26 | 南通远洋船舶配套有限公司 | A kind of quick molding method of large scale cone |
| CN110666249A (en) * | 2019-09-27 | 2020-01-10 | 芜湖中集瑞江汽车有限公司 | Tank body beveling blanking process |
| CN111468243A (en) * | 2020-04-07 | 2020-07-31 | 五冶集团上海有限公司 | Hoisting method of cone of vertical mill |
| CN111468243B (en) * | 2020-04-07 | 2022-07-12 | 五冶集团上海有限公司 | Hoisting method of vertical mill cone |
| CN112008280A (en) * | 2020-08-28 | 2020-12-01 | 上海宝冶集团有限公司 | Manufacturing method of rectangular flue elbow |
| CN113279588A (en) * | 2021-07-07 | 2021-08-20 | 浙江天地环保科技股份有限公司 | Conical tank top manufacturing and mounting structure and method |
| CN113979280A (en) * | 2021-11-08 | 2022-01-28 | 重庆钢铁集团建设工程有限公司 | Conical cover manufacturing and processing method |
| CN113979280B (en) * | 2021-11-08 | 2024-04-05 | 重庆钢铁集团建设工程有限公司 | Cone cover manufacturing and processing method |
| CN115673694A (en) * | 2023-01-03 | 2023-02-03 | 内江东工设备制造股份有限公司 | Manufacturing method of oversized steel bifurcated pipe |
| CN115673694B (en) * | 2023-01-03 | 2023-03-03 | 内江东工设备制造股份有限公司 | Manufacturing method of oversized steel bifurcated pipe |
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