CN111299764A - Manufacturing tool for water-cooled wall cylinder of gasification furnace - Google Patents
Manufacturing tool for water-cooled wall cylinder of gasification furnace Download PDFInfo
- Publication number
- CN111299764A CN111299764A CN201911179447.9A CN201911179447A CN111299764A CN 111299764 A CN111299764 A CN 111299764A CN 201911179447 A CN201911179447 A CN 201911179447A CN 111299764 A CN111299764 A CN 111299764A
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- CN
- China
- Prior art keywords
- supporting
- water
- cooled wall
- ring
- wall cylinder
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
Abstract
The invention discloses a manufacturing tool for a water-cooled wall cylinder of a gasification furnace, which comprises the following components: the supporting rings comprise a plurality of first supporting rings with smooth outer edges and a plurality of second supporting rings with toothed outer edges, an arc-shaped clamping groove is formed between every two adjacent teeth on the outer edges of each second supporting ring, and the outer diameter of each first supporting ring is consistent with the inner diameter of the water-cooled wall cylinder to be manufactured; the support axially penetrates through all the supporting circular rings and is fixed with all the supporting circular rings, all the supporting circular rings and the support form a supporting framework, the number of the second supporting circular rings is at least three, and two of the second supporting circular rings are respectively arranged at the head end and the tail end of the supporting framework; the gyro wheel at braced frame both ends all supports on the supporting seat, and the gyro wheel can roll on the supporting seat. The invention has the advantages that: the manufacturing period of the water-cooled wall cylinder is greatly shortened, the labor intensity of workers is greatly reduced, and meanwhile, the quality of the water-cooled wall is effectively improved.
Description
Technical Field
The invention relates to the technical field of pressure vessel manufacturing equipment, in particular to a tool for manufacturing a water-cooled wall cylinder of a gasification furnace.
Background
The gasifier is a core device in coal chemical industry, a gasifier cylinder body adopts a water-cooled wall structure, and the manufacturing quality of the gasifier water-cooled wall cylinder body directly influences the safe operation of the gasifier. Once the manufacturing quality of the water-cooled wall of the gasification furnace does not meet the design requirements, the service life of the gasification furnace can be greatly shortened, and meanwhile, the use of downstream equipment of the gasification furnace can be influenced.
Generally, in the manufacturing process of the water-cooled wall cylinder of the gasification furnace, the diameter tolerance is required to be controlled within +/-3 mm, and the verticality is controlled within 5 mm. However, the following problems are generally encountered in the manufacturing process of the water wall cylinder of the gasification furnace: the labor intensity of workers is high, the welding deformation is difficult to control, the molding of the water-cooled wall cylinder is not ideal, and the manufacturing cost is high. Based on the technical problems, the water-cooled wall cylinder of the gasification furnace cannot meet the process requirements.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the utility model provides a preparation frock of gasifier water-cooled wall barrel, it can improve the quality of water-cooled wall barrel greatly, can greatly reduced intensity of labour simultaneously again.
In order to solve the problems, the invention adopts the technical scheme that: preparation frock of gasifier water-cooled wall barrel includes: the supporting rings comprise a plurality of first supporting rings with smooth outer edges and a plurality of second supporting rings with toothed outer edges, an arc-shaped clamping groove is formed between every two adjacent teeth on the outer edges of each second supporting ring, each clamping groove is matched with the outer wall of each heat exchange tube, the number of the clamping grooves on each second supporting ring is the same as the number of the heat exchange tubes on the circumferential direction of the water-cooled wall cylinder to be manufactured, and the outer diameter of each first supporting ring is the same as the inner diameter of the water-cooled wall cylinder to be manufactured; the support axially penetrates through all the supporting circular rings and is fixed with all the supporting circular rings, all the supporting circular rings and the support form a supporting framework, the number of the second supporting circular rings is at least three, and two of the second supporting circular rings are respectively arranged at the head end and the tail end of the supporting framework; the gyro wheel is installed respectively at the both ends of supporting framework, and the gyro wheel of every end all can be dismantled fixedly with the support, and every gyro wheel all supports on the supporting seat, and the gyro wheel can roll on the supporting seat.
Further, the preparation frock of aforementioned gasifier water-cooled wall barrel, wherein, the structure of support includes: the axial runs through in four shaped steel of all support ring settings, and four shaped steel are supporting the even interval arrangement of ring inner ring circumference, and every shaped steel all with all support ring fixed connection, the interval is provided with a plurality of reinforcements between four shaped steel, and the structure of every reinforcement includes: the reinforcing plate is fixedly connected with reinforcing ribs between the reinforcing plate and each section steel.
Further, the preparation frock of aforementioned gasifier water-cooled wall barrel, wherein, the structure of the supporting seat of every gyro wheel bottom includes: the base is provided with a pair of driving wheels, the idler wheel is supported on the pair of driving wheels, one of the driving wheels is a driving wheel, the driving wheel is driven by a power mechanism, and the driving wheel can drive the idler wheel to rotate under the driving of the power mechanism.
Further, the preparation frock of aforementioned gasifier water-cooled wall barrel, wherein, the gyro wheel can dismantle fixed connection structure with the support and include: the equal bolt fastening of tip of every shaped steel has the tie-beam, every tie-beam all with gyro wheel bolt fastening.
Further, according to the manufacturing tool for the water-cooled wall cylinder of the gasification furnace, the supporting rings are uniformly arranged at intervals.
Further, the preparation frock of aforementioned gasifier water-cooled wall barrel, wherein, the second supports the ring and is provided with four, and wherein two are arranged respectively at the head and the tail both ends of support chassis, and two other intervals set up in first support ring.
The invention has the advantages that: first, first support ring and second in the support chassis support the ring and played the effect that location and card kept off, so long as the bank of tubes is full on the support chassis, a water-cooling wall barrel just can tentatively take shape, and is very convenient to not only shorten the preparation cycle of water-cooling wall barrel greatly, and greatly reduced workman's intensity of labour. Secondly, frock simple structure, practicality, the support chassis passes through the gyro wheel and supports, just can realize placing of the bank of tubes at different positions through rotating the gyro wheel, and this further reduces workman's intensity of labour. The tube bank is placed on the support framework and is fixed with all support rings in a spot welding manner, the weight of the tube bank can be transmitted to the rollers at two ends of the support framework, meanwhile, the first support ring and the second support ring have a blocking limiting effect on the heat exchange tubes in the tube bank, so that the welding deformation of the heat exchange tubes in each direction during welding can be kept consistent, the diameter tolerance and the vertical tolerance of the formed water-cooled wall cylinder are ensured to be within the design range, and the quality of the water-cooled wall cylinder is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a manufacturing tool for a gasifier water wall cylinder according to the present invention.
Fig. 2 is a schematic view of the structure shown in the left-hand direction of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the figures and preferred embodiments.
As shown in fig. 1 and 2, the manufacturing tool for the gasifier water wall cylinder comprises: the supporting rings are coaxial and arranged at intervals, and all the supporting rings are uniformly arranged at intervals. The supporting ring comprises a first supporting ring 2 with a smooth outer edge and a second supporting ring 3 with a toothed outer edge, a circular arc-shaped clamping groove 31 is formed between every two adjacent teeth on the outer edge of each second supporting ring 3, each clamping groove 31 is matched with the outer wall of a heat exchange tube, and the number of the clamping grooves 31 on each second supporting ring 3 is the same as the number of the heat exchange tubes on the circumferential direction of the water wall cylinder to be manufactured. The outer diameter of the first supporting ring 2 is consistent with the inner diameter of the water wall cylinder to be manufactured. The support axially penetrates through all the supporting circular rings and is fixed with all the supporting circular rings, and all the supporting circular rings and the support form a supporting framework 1. The number of the second supporting rings 3 is at least three, and two of the second supporting rings are respectively arranged at the head end and the tail end of the supporting framework 1. In this embodiment, the second support ring 3 is provided with four, two of them are arranged respectively at the head and the tail ends of the support frame 1, and the other two are arranged at the first support ring 2 at intervals.
The both ends of supporting framework 1 are demountable installation respectively have gyro wheel 4, and the gyro wheel 4 of every end all can be dismantled fixedly with the support. Each roller 4 is supported on a support 5, and the rollers 4 can roll on the support 5.
In this embodiment, the structure of the support includes: the four section steels 6 axially penetrate through all the supporting rings, and the medium-sized section steels 6 are I-shaped section steels in the embodiment. Four shaped steel 6 are supporting the even interval arrangement of ring inner ring circumference, every shaped steel 6 all with all support ring fixed connection, the interval is provided with a plurality of reinforcements between four shaped steel 6, the structure of every reinforcement includes: reinforcing ribs 71 are fixedly connected between the reinforcing plate 7 and each section steel 6 and between the reinforcing plate 7 and each section steel 6. In order to facilitate the dismantlement, can dismantle fixed connection between gyro wheel 4 and the support, its connection structure includes: the equal bolt fastening of tip of every shaped steel 6 has tie-beam 8, and every tie-beam 8 all with 4 bolt fastening of gyro wheel. Can dismantle between gyro wheel 4 and the support and be connected, its aim at: the water-cooled wall cylinder body convenient to form is detached from the supporting framework 1.
In this embodiment, the structure of the supporting seat 5 at the bottom of each roller 4 includes: the base 51 is provided with a pair of driving wheels 52, the roller 4 is supported on the pair of driving wheels 52, one driving wheel 52 is an active driving wheel, the active driving wheel is driven by a power mechanism, and the active driving wheel can drive the roller 4 to rotate under the driving of the power mechanism. The power mechanism is typically an electric motor.
The manufacturing steps of the gasifier water-cooled wall cylinder body comprise: firstly, welding and manufacturing the heat exchange tube to form a plurality of independent tube banks, reserving process holes on the tube banks arranged at the reference positions according to design, and bending each tube bank according to the radian of the water wall cylinder to form an arc-shaped tube bank.
Secondly, place the circular arc bank of tubes that reserve the fabrication hole that the reference position corresponds on supporting framework 1 earlier, and set up in pairs, promptly: after the circular arc-shaped tube bank with the fabrication holes corresponding to the reference position is placed on the support framework 1 corresponding to the reference position, the roller 4 rotates 180 degrees, and the circular arc-shaped tube bank is placed at the position symmetrical to the reference position; after all the circular arc tube banks at the reference positions are placed, the rest circular arc tube banks are placed in pairs. So place in proper order, all place on supporting framework 1 until all circular arc tube banks, tentatively form a water-cooled wall barrel. In the placing process, each heat exchange tube in each circular arc tube row is attached to the outer edge of each first support ring 2, each heat exchange tube in each circular arc tube row is clamped in one clamping groove 31 of each second support ring 3, the tube walls of the heat exchange tubes are attached to the groove walls of the clamping grooves 31, and the circular arc tube rows are placed at symmetrical positions by rotating the idler wheels after being fixed by spot welding between each circular arc tube row and each support ring.
And thirdly, welding, sealing and fixing every two adjacent circular arc tube rows on the supporting framework 1 in sequence by adopting manual argon arc welding, thereby forming the water-cooled wall cylinder.
And fourthly, spot welding between the tube row and the support ring is cut off, one of the rollers 4 is disassembled, and then the water-cooled wall cylinder formed by welding is disassembled from the tool.
The invention has the advantages that: first, first support ring 2 and second in the support chassis 1 support the ring 3 and played the effect that the location kept off with the card, so long as the bank of tubes is filled up on support chassis 1, a water-cooling wall barrel just can tentatively be fashioned, and is very convenient to not only shorten the preparation cycle of water-cooling wall barrel greatly, and greatly reduced workman's intensity of labour. Secondly, frock simple structure, practicality, support skeleton 1 passes through gyro wheel 4 to be supported, just can realize placing of the bank of tubes at different positions through rotating gyro wheel 4, and this has further reduced workman's intensity of labour. Thirdly, the tube bank is placed on supporting framework 1, and fixed with all support ring spot welding, the weight of tube bank just can be transmitted to on the gyro wheel 4 at supporting framework 1 both ends, first support ring 2 and second support ring 3 have the card to keep off the restriction effect to the heat exchange tube in the tube bank simultaneously, just so can make the welding deformation of heat exchange tube in every side when the welding keep unanimous, ensure that the diameter tolerance and the vertical tolerance of the water-cooling wall barrel after the shaping all are in the design range, thereby improve the quality of water-cooling wall barrel preparation greatly.
Claims (6)
1. The preparation frock of gasifier water-cooled wall barrel, its characterized in that: the method comprises the following steps: the supporting rings comprise a plurality of first supporting rings with smooth outer edges and a plurality of second supporting rings with toothed outer edges, an arc-shaped clamping groove is formed between every two adjacent teeth on the outer edges of each second supporting ring, each clamping groove is matched with the outer wall of each heat exchange tube, the number of the clamping grooves on each second supporting ring is the same as the number of the heat exchange tubes on the circumferential direction of the water-cooled wall cylinder to be manufactured, and the outer diameter of each first supporting ring is the same as the inner diameter of the water-cooled wall cylinder to be manufactured; the support axially penetrates through all the supporting circular rings and is fixed with all the supporting circular rings, all the supporting circular rings and the support form a supporting framework, the number of the second supporting circular rings is at least three, and two of the second supporting circular rings are respectively arranged at the head end and the tail end of the supporting framework; the gyro wheel is installed respectively at the both ends of supporting framework, and the gyro wheel of every end all can be dismantled fixedly with the support, and every gyro wheel all supports on the supporting seat, and the gyro wheel can roll on the supporting seat.
2. The manufacturing tool for the gasifier water-cooled wall cylinder body according to claim 1, characterized in that: the structure of the bracket comprises: the axial runs through in four shaped steel of all support ring settings, and four shaped steel are supporting the even interval arrangement of ring inner ring circumference, and every shaped steel all with all support ring fixed connection, the interval is provided with a plurality of reinforcements between four shaped steel, and the structure of every reinforcement includes: the reinforcing plate is fixedly connected with reinforcing ribs between the reinforcing plate and each section steel.
3. The manufacturing tool for the gasifier water-cooled wall cylinder body according to claim 1 or 2, characterized in that: the structure of the supporting seat at the bottom of each roller comprises: the base is provided with a pair of driving wheels, the idler wheel is supported on the pair of driving wheels, one of the driving wheels is a driving wheel, the driving wheel is driven by a power mechanism, and the driving wheel can drive the idler wheel to rotate under the driving of the power mechanism.
4. The manufacturing tool for the gasifier water-cooled wall cylinder body according to claim 1 or 2, characterized in that: the gyro wheel includes with the support can dismantle fixed connection structure: the equal bolt fastening of tip of every shaped steel has the tie-beam, every tie-beam all with gyro wheel bolt fastening.
5. The manufacturing tool for the gasifier water-cooled wall cylinder body according to claim 1 or 2, characterized in that: the supporting circular rings are uniformly arranged at intervals.
6. The manufacturing tool for the gasifier water-cooled wall cylinder body according to claim 5, characterized in that: the second supports the ring and is provided with four, and two of them arrange respectively in the head and the tail both ends of supporting framework, and two other intervals support the ring setting in first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179447.9A CN111299764A (en) | 2019-11-27 | 2019-11-27 | Manufacturing tool for water-cooled wall cylinder of gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179447.9A CN111299764A (en) | 2019-11-27 | 2019-11-27 | Manufacturing tool for water-cooled wall cylinder of gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299764A true CN111299764A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911179447.9A Pending CN111299764A (en) | 2019-11-27 | 2019-11-27 | Manufacturing tool for water-cooled wall cylinder of gasification furnace |
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| Country | Link |
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| CN (1) | CN111299764A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481628A (en) * | 2008-11-17 | 2009-07-15 | 上海锅炉厂有限公司 | Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel |
| CN201720650U (en) * | 2010-08-18 | 2011-01-26 | 上海锅炉厂有限公司 | Assembly platform for tube-type membrane water-cooled wall cylinder |
| CN202482066U (en) * | 2011-12-06 | 2012-10-10 | 中国石油天然气集团公司 | Bending equipment tool for spiral pipe bundle on water-cooled wall of nitric acid oxidation furnace |
| CN109909668A (en) * | 2019-03-25 | 2019-06-21 | 山西阳煤化工机械（集团）有限公司 | A kind of water-cooling wall assembly tool and water-cooling wall assembly method |
-
2019
- 2019-11-27 CN CN201911179447.9A patent/CN111299764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481628A (en) * | 2008-11-17 | 2009-07-15 | 上海锅炉厂有限公司 | Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel |
| CN201720650U (en) * | 2010-08-18 | 2011-01-26 | 上海锅炉厂有限公司 | Assembly platform for tube-type membrane water-cooled wall cylinder |
| CN202482066U (en) * | 2011-12-06 | 2012-10-10 | 中国石油天然气集团公司 | Bending equipment tool for spiral pipe bundle on water-cooled wall of nitric acid oxidation furnace |
| CN109909668A (en) * | 2019-03-25 | 2019-06-21 | 山西阳煤化工机械（集团）有限公司 | A kind of water-cooling wall assembly tool and water-cooling wall assembly method |
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Application publication date: 20200619 |