CN108145629B - Heat exchanger shifting tooling and how to use it - Google Patents

Heat exchanger shifting tooling and how to use it Download PDF

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Publication number
CN108145629B
CN108145629B CN201711480039.8A CN201711480039A CN108145629B CN 108145629 B CN108145629 B CN 108145629B CN 201711480039 A CN201711480039 A CN 201711480039A CN 108145629 B CN108145629 B CN 108145629B
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China
Prior art keywords
heat exchanger
shifting
saddle
frame
arc
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CN201711480039.8A
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CN108145629A (en
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王建人
张小山
孙旭东
李宁
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Dalian Fujia Big Fossil Oil & Chemical Co ltd
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Dalian Fujia Dahua Petrochemical Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The heat exchanger shifting tool comprises a shifting saddle, a heat exchanger, a frame, support columns, a plurality of guide chains and a preset slideway, wherein the shifting saddle comprises two support tables, the two support tables are trapezoid structures with concave arc structures, arc saddle plates are respectively arranged on the surfaces of the two concave arc structures, a connecting beam is respectively arranged on two sides of each of the two support tables, and the two connecting beams are mutually parallel; the two heat exchangers are arranged at the upper part in the frame in a vertically overlapped manner, the heat exchanger equipment is firmly arranged on the saddle, and the stable and safe movement of the equipment center of gravity can be ensured in the process of moving the equipment along the slideway, and the heat exchanger is not deformed and damaged by stress; the shifting saddle is used for supporting heat exchanger equipment, so that the heat exchanger can move to the edge of the frame along the slide way, and the technical problem that the heat exchanger cannot be shifted through a large hoisting machine in the frame is solved.

Description

Heat exchanger shifting tool and application method thereof
Technical Field
The invention relates to a disassembly and displacement tool, in particular to a displacement tool for a heat exchanger of an aromatic hydrocarbon aromatization device and a use method thereof, belonging to the field of equipment maintenance.
Background
The heat exchanger of the aromatization device is subjected to internal anti-corrosion treatment and needs to be removed from the inside of the frame, shifted, hoisted to the ground and other construction works, and as the heat exchanger adopts an upper and lower two overlapped arrangement forms, each dead weight reaches 10 tons and two heat exchangers reach 20 tons, and the heat exchanger is positioned in the frame, and large hoisting tools such as a crane cannot be hoisted in a station.
Disclosure of Invention
In view of the technical problems, the invention aims to provide a heat exchanger shifting tool and a use method thereof, wherein the tool is used for supporting heat exchanger equipment, so that the equipment can move to the edge of a frame along a slideway, and the technical problem that a large hoisting machine tool cannot be hoisted in a standing position when the heat exchanger is dismounted is solved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the heat exchanger shifting tool comprises a shifting saddle, a heat exchanger, a frame, support columns, a plurality of guide chains and a preset slideway, wherein the shifting saddle comprises two support tables, the two support tables are trapezoid structures with concave arc structures, arc saddle plates are respectively arranged on the surfaces of the two concave arc structures, a connecting beam is respectively arranged on two sides of each of the two support tables, and the two connecting beams are mutually parallel; the two heat exchangers are arranged at the upper part in the frame in a vertically overlapped manner, the heat exchangers are placed on the arc saddle plate of the shifting saddle, and the heat exchangers are disassembled and moved by moving the shifting saddle.
A preset slideway is arranged on one side outside the frame;
the bottom of the shifting saddle is also provided with a sliding block matched with the slideway;
the radian of the arc saddle plate is consistent with the concave arc structure of the supporting table;
the length of the arc saddle plate is longer than the concave arc length of the supporting table;
the radian R of the arc saddle plate is 510mm;
the section height of the arc saddle plate is 150mm;
the length of the bottom edge of the supporting table is 830mm;
the thickness of the supporting table is 150mm;
the specific operation method of the heat exchanger shifting tool comprises the following steps:
a. the upper end of the heat exchanger is fastened and hung through a plurality of guide chains arranged on the frame;
b. disassembling a heat exchanger tube box and a shell flange bolt;
c. pulling the guide chain to integrally lift the two heat exchangers off the support column;
d. fire welding and cutting the heat exchanger and the lower support column at a height position 1.5 meters away from the frame;
e. a section of slide rail is welded and installed at the position of the cut support column, and the slide rail is in butt joint with a preset slide rail of the tool;
f. the two heat exchangers are integrally dropped onto the slide way;
g. disassembling the connection between the two heat exchangers, and lifting the heat exchanger at the upper end through the coordination of a guide chain;
h. the heat exchanger at the lower part is slid along the slideway by utilizing a transverse bolting guide chain;
i. slowly falling the heat exchanger at the upper end and placing the heat exchanger at the original position of the heat exchanger at the lower end;
j. a shifting saddle is welded and installed at the lower part of the heat exchanger at the upper end before the original position is placed;
k. the heat exchanger at the upper end is moved out of the frame along the slideway by a sliding block arranged at the bottom of the shifting saddle and a bolt-hanging guide chain;
and l, lifting the heat exchanger to the ground for loading by matching the heat exchanger through a crane, and completing the lifting, shifting and loading operation of the heat exchanger.
According to the invention, the heat exchanger equipment is firmly arranged on the saddle, and in the process of moving the equipment along the slideway, the stable gravity center and the moving safety of the equipment can be ensured, and meanwhile, the heat exchanger is ensured not to be deformed and damaged by stress; the shifting saddle is used for supporting heat exchanger equipment, so that the heat exchanger can move to the edge of the frame along the slide way, and the technical problem that the heat exchanger cannot be shifted through a large hoisting machine in the frame is solved.
Drawings
Fig. 1 is a schematic diagram of the whole structure of the heat exchanger shifting tool of the invention.
Fig. 2 is a schematic view showing a state of the displacement operation of the lower heat exchanger at the cutting position after the support column is cut.
Fig. 3 is a schematic view showing a state of the upper heat exchanger shifting operation at the cutting position after the support column is cut.
Fig. 4 is a schematic structural view of a shift saddle of a heat exchanger shift tooling.
In the figure, 1, heat exchangers A and 2, heat exchangers B and 3, a frame, 4, a support column, 5, a guide chain, 6, a preset slideway, 7, a support table, 8, an arc saddle plate, 9 and a connecting beam.
Detailed Description
The invention will now be described in detail with reference to the accompanying drawings and examples. As shown in fig. 1-4, the heat exchanger shifting tool comprises a shifting saddle, a heat exchanger A1, a heat exchanger B2, a frame 3, a support column 4, a plurality of guide chains 5 and a preset slideway 6, wherein the shifting saddle comprises two support tables 7, the two support tables 7 are trapezoid structures with concave arc structures on the upper sides, arc saddle plates 8 are respectively arranged on the surfaces of the two concave arcs, a connecting beam 9 is respectively arranged on the two sides of the two support tables 7, and the two connecting beams 9 are mutually parallel; two heat exchangers are arranged at the upper part in the frame 3 in a vertically overlapped way, the heat exchangers are placed on an arc saddle plate 7 of the shifting saddle, and the heat exchangers are disassembled and moved by moving the shifting saddle.
A preset slideway 6 is arranged on one side outside the frame 3; the radian R of the arc saddle plate 8 is 510mm; the height of the section of the arc saddle plate 8 is 150mm; the length of the bottom edge of the supporting table 7 is 830mm; the thickness of the supporting table 7 is 150mm.
Examples
The aromatization device has 9 water coolers which are proposed to be integrally sent to a professional manufacturer for internal anti-corrosion treatment in 1 month in 2018, and construction work such as dismantling, shifting, hoisting to the ground and the like is needed from the inside of the frame 3.
Lifting, shifting and loading operation of heat exchanger
(1) 2 groups of 10 ton guide chains 5 are hung on the hanging beam at the upper part of the heat exchanger A1;
(2) disassembling a heat exchanger tube box and a shell flange bolt;
(3) the guide chain 5 is pulled to integrally lift the heat exchanger A1 and the heat exchanger B2 off the support column 4;
(4) the heat exchanger A1 and the lower support flat column 4 of the heat exchanger B2 are cut and removed by flame welding; the height of the cutting opening is 1.5 meters from the two layers of platforms of the frame 3;
(5) welding an installation slideway at the dismantling supporting position, and butting with a preset slideway 6 installed in the earlier stage;
(6) the heat exchanger A1 and the heat exchanger B1 are integrally dropped onto a slideway;
(7) the heat exchanger A1 is disassembled and connected with the heat exchanger B2, and the guide chain 5 is matched with the heat exchanger A1 to be lifted;
(8) the heat exchanger B2 is removed along the slideway by utilizing a transverse hitching guide chain;
(9) slowly dropping the heat exchanger A1 and placing the heat exchanger A1 at the original position of the heat exchanger B2; a temporary saddle of the heat exchanger is welded and installed at the lower part of the heat exchanger A1 before being in place;
a transverse hitching guide chain moves the heat exchanger A1 to the edge of the frame 3 along a slideway; two 25 tons of cranes are hung to the ground for loading by matching with the heat exchanger.

Claims (8)

1.换热器移位工装的使用方法，移位工装包括移位鞍座，换热器、框架、支撑柱、若干台导链及预设滑道，所述移位鞍座包括，两个支撑台，所述两个支撑台为上边是凹型圆弧结构的梯形体结构，在两凹型圆弧表面上分别设有弧形鞍座板，两个支撑台两边分别设有一个连接梁，两个连接梁相互平行；两个换热器上下叠加列装于框架内上部，换热器放置在移位鞍座的弧形鞍座板上，换热器通过移动移位鞍座进行拆卸、移动；在框架外部一侧设有预设滑道；其特征在于：1. How to use the heat exchanger shifting tooling. The shifting tooling includes a shifting saddle, a heat exchanger, a frame, a support column, a number of table guide chains and a preset slideway. The shifting saddle includes two The two support platforms are trapezoidal structures with a concave arc structure on the upper side. Arc saddle plates are respectively provided on the two concave arc surfaces. A connecting beam is provided on both sides of the two support platforms. The connecting beams are parallel to each other; the two heat exchangers are stacked up and down and installed in the upper part of the frame. The heat exchanger is placed on the arc-shaped saddle plate of the shift saddle. The heat exchanger can be disassembled and moved by moving the shift saddle. ; There is a preset slide on the outer side of the frame; it is characterized by: a、换热器上端通过设置于框架上的多台导链拴挂；a. The upper end of the heat exchanger is hung by multiple guide chains set on the frame; b、拆卸换热器管箱及壳体法兰螺栓；b. Remove the heat exchanger tube box and shell flange bolts; c、拉动导链将两台换热器整体吊离支撑柱；c. Pull the guide chain to lift the two heat exchangers as a whole away from the support column; d、在距框架1 .5米高度位置火焊切割拆除换热器及下部支撑柱；d. Remove the heat exchanger and lower support column by fire welding and cutting at a height of 1.5 meters from the frame; e、在切割的支撑柱的位置焊接安装一段滑道，所述滑道与工装的预设滑道对接在一起；e. Weld and install a section of slideway at the position of the cut support column, and the slideway is docked with the preset slideway of the tooling; f、将两个换热器整落至滑道上；f. Lower the two heat exchangers onto the slide; g、拆卸两个换热器间联接，通过导链配合吊起上端的换热器；g. Disassemble the connection between the two heat exchangers and lift the upper heat exchanger through the guide chain; h、利用横向栓挂导链将下部的换热器沿着滑道滑走；h. Use the horizontal bolts and guide chains to slide the lower heat exchanger along the slide; i、缓慢上端的换热器落下，放置于下端换热器的原位置；i. Slowly drop the upper heat exchanger and place it in the original position of the lower heat exchanger; j、放置原位置之前在上端的换热器下部焊接安装移位鞍座；j. Weld and install the shift saddle on the lower part of the upper heat exchanger before placing it in the original position; k、通过设置于移位鞍座底部的滑块，用栓挂导链将上端的换热器沿滑道移出框架；k. Through the slider set at the bottom of the shift saddle, use the bolt guide chain to move the upper heat exchanger out of the frame along the slide; l、通过吊车配合换热器吊至地面装车，完成换热器吊运移位装车作业。l. Use a crane to lift the heat exchanger to the ground for loading, and complete the lifting, shifting and loading operation of the heat exchanger. 2.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述的移位鞍座底部还敷设有与滑道配合的滑块。2. The method of using the heat exchanger shifting tool according to claim 1, characterized in that the bottom of the shifting saddle is also provided with a slider that matches the slideway. 3.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述弧形鞍座板的弧度与支撑台的凹型圆弧结构一致。3. The method of using the heat exchanger shifting tooling according to claim 1, characterized in that the curvature of the arc-shaped saddle plate is consistent with the concave arc structure of the support platform. 4.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述弧形鞍座板的长度大于支撑台凹型圆弧长度。4. The method of using the heat exchanger shifting tooling according to claim 1, characterized in that the length of the arc-shaped saddle plate is greater than the length of the concave arc of the support platform. 5.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述弧形鞍座板的弧度R为510mm。5. The method of using the heat exchanger shifting tooling according to claim 1, characterized in that the arc R of the arc-shaped saddle plate is 510 mm. 6.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述弧形鞍座板的截面高度为150mm。6. The method of using the heat exchanger shifting tooling according to claim 1, characterized in that the cross-sectional height of the arc-shaped saddle plate is 150 mm. 7.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述支撑台底边长度为830mm。7. The method of using the heat exchanger shifting tooling according to claim 1, characterized in that the length of the bottom edge of the support platform is 830 mm. 8.根据权利要求1所述的换热器移位工装的使用方法，其特征在于所述支撑台厚度为150mm。8. The method of using the heat exchanger shifting tooling according to claim 1, characterized in that the thickness of the support platform is 150mm.
CN201711480039.8A 2017-12-29 2017-12-29 Heat exchanger shifting tooling and how to use it Active CN108145629B (en)

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CN111672923A (en) * 2020-07-13 2020-09-18 中国二十二冶集团有限公司 Installation method of main cylinder of horizontal extruder

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN202114446U (en) * 2011-06-03 2012-01-18 中国石化集团第四建设公司 Tool for mounting and demounting of horizontal equipment in frame
CN102689170A (en) * 2012-06-06 2012-09-26 中联重科股份有限公司 Beam arm support adjustment device and crane transfer vehicle
CN203887484U (en) * 2014-06-10 2014-10-22 东莞埃欧热能技术有限公司 Multifunctional and multi-station auxiliary hydraulic tool device for heat exchanger
CN205133035U (en) * 2015-11-12 2016-04-06 森松（江苏）重工有限公司 Main equipment jacking device
CN207997252U (en) * 2017-12-29 2018-10-23 大连福佳·大化石油化工有限公司 A kind of heat exchanger displacement tooling

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Publication number Priority date Publication date Assignee Title
US6729833B2 (en) * 2000-09-25 2004-05-04 Starcon International, Inc. Method and apparatus for extracting and installing heat exchanger bundles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202114446U (en) * 2011-06-03 2012-01-18 中国石化集团第四建设公司 Tool for mounting and demounting of horizontal equipment in frame
CN102689170A (en) * 2012-06-06 2012-09-26 中联重科股份有限公司 Beam arm support adjustment device and crane transfer vehicle
CN203887484U (en) * 2014-06-10 2014-10-22 东莞埃欧热能技术有限公司 Multifunctional and multi-station auxiliary hydraulic tool device for heat exchanger
CN205133035U (en) * 2015-11-12 2016-04-06 森松（江苏）重工有限公司 Main equipment jacking device
CN207997252U (en) * 2017-12-29 2018-10-23 大连福佳·大化石油化工有限公司 A kind of heat exchanger displacement tooling

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Address after: 116600 Dalian City, Jinzhou District, Economic and Technological Development Zone, Dagushan Petrochemical Industrial Park, Dalian Fojia Daha Petroleum Chemical Co., Ltd.

Patentee after: Dalian Fujia Big Fossil Oil & Chemical Co.,Ltd.

Country or region after: China

Address before: 116600 Dalian Economic and Technological Development Zone, Dalian City, Liaoning Province Dagushan Petrochemical Industrial Park Dalian Fojia.Da Hua Petroleum Chemical Co., Ltd.

Patentee before: DALIAN FUJIA DAHUA PETROCHEMICAL Co.,Ltd.

Country or region before: China