WO2015021693A1 - Method of constructing steel chimney cylinder by upside-down mounting - Google Patents
Method of constructing steel chimney cylinder by upside-down mounting Download PDFInfo
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- WO2015021693A1 WO2015021693A1 PCT/CN2013/085331 CN2013085331W WO2015021693A1 WO 2015021693 A1 WO2015021693 A1 WO 2015021693A1 CN 2013085331 W CN2013085331 W CN 2013085331W WO 2015021693 A1 WO2015021693 A1 WO 2015021693A1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/342—Arrangements for stacking tower sections on top of each other
Definitions
- the invention belongs to the technical field of steel chimney construction, in particular to a flip-chip construction method of a steel chimney cylinder.
- the invention aims at the technical problems existing in the installation and construction of the existing steel chimney cylinder, and provides a flipping construction method of the steel chimney cylinder.
- the flipping construction method of a steel chimney cylinder provided by the invention is as follows:
- annular joist 2 is provided on the outer side of the steel chimney cylinder 1 to be lifted, and a short stroke jack is mounted on the annular joist 2, the annular joist 2 facing the steel chimney cylinder 1 The clamping and supporting action, the annular joist 2 supports the entire load of the steel chimney cylinder 1.
- a spliced reinforcing device 4 is disposed on the inner wall of the steel chimney cylinder 1, and the reinforcing device 4 is expanded under the push of the jack to maintain the steel chimney cylinder 1 in a true circular shape.
- a lifting column 5 is disposed outside the annular joist 2, and an upper portion of the lifting column 5 is provided with a main jack, and a lifting is arranged between the jacking column 5 and the steel chimney cylinder 1
- the device 3 is connected to the annular joist 2, and the working stroke of the main jack is positioned 900 mm, so that the annular joist 2 is lifted six times together with the cylinder 1 to complete a cylinder. The top rises.
- the method of the invention is a method of flipping the cylinder body, that is, the method of lifting the cylinder top from the bottom up, the starting section of the lifting body of the crane is in place, and the remaining height part of the cylinder is divided into n sections, and each is selected.
- the height of the segment is 5400 mm.
- a new section of cylinder 5400 mm is pushed in, and the jacking is performed after the jacking.
- An 80t.m tower crane is installed at the upper end of the cylinder.
- the tower crane rises with the cylinder body.
- the jacking is stopped.
- the tower crane can install the upper tower and the components of the platform.
- the tower installation At a certain height, the cylinder can continue to rise 5400mm. In this way, the cylinder, the tower, and the elevator can all be completed until the steel chimney cylinder is lifted to a desired height of 200 m.
- the method of the invention is safe and reliable, saves construction period, has high construction quality and efficiency, and can reduce construction cost.
- Figure 1 is a schematic view showing the mounting structure of the method of the present invention.
- a four-column iron tower double-barrel-collecting 200m steel chimney in a sinter plant has a total weight of 2,500t and a high installation standard.
- the flip-chip construction method of the 200m steel chimney cylinder is as follows:
- annular joist 2 is arranged on the outer side of the 200 m steel chimney cylinder to be lifted, and 12 short-stroke 20-ton jacks are mounted on the annular joist 2, which clamp and support the cylinder and support The full load of the jacked up cylinder.
- a spliced reinforcing device 4 is disposed on the inner wall of the cylinder, and the reinforcing device 4 is expanded by a 200-ton jack to keep the cylinder in a true circular shape.
- a lifting column 5 is arranged on the outer side of the annular joist 2, a top jack is arranged on the top of the lifting column 5, and a lifting device 3 is arranged between the lifting column 5 and the steel chimney cylinder 1, and the pulling device is provided 3 is connected to the annular joist 2 .
- the working stroke of the main jack is positioned at 900 mm, and the annular joist 2 can be lifted six times together with the cylinder 1 to complete the lifting task of one cylinder.
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- Working Measures On Existing Buildindgs (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Disclosed is a method of constructing a steel chimney cylinder by upside-down mounting, comprising the following steps: firstly providing an annular joist (2) on the outside of a jacked-up steel chimney cylinder (1); then providing a hinged reinforcing apparatus (4) on an inner wall of the steel chimney cylinder (1); providing jacking columns (5) on the outside of the annular joist (2), providing a pulling apparatus (3) connected to the annular joist (2), lifting the annular joist (2) together with the steel chimney cylinder (1) six times, and completing the lifting of one steel chimney cylinder (1); and then making all the apparatuses return to the original position to perform the next lifting operation, and cyclically lifting in this way until the steel chimney cylinder (1) has been lifted to the required height.
Description
本发明属钢烟囱施工技术领域，特别是指一种钢烟囱筒体的倒装施工方法。 The invention belongs to the technical field of steel chimney construction, in particular to a flip-chip construction method of a steel chimney cylinder.
目前在工业建设中，90m以上的钢烟囱越来越多，并且已有200m以上的钢烟囱。对于90m以上的钢烟囱采用传统的安装施工方法是非常困难的，其安装钢烟囱的准确到位率底，施工建设周期长、施工成本高并且施工质量难以保证。如某烧结厂四柱铁塔式双筒身集合型200m钢烟囱，烟囱结构总重量为2500t，安装标准要求高，施工现场最大的TC-2000型汽车吊也只能吊装到115m。At present, in industrial construction, there are more and more steel chimneys above 90m, and there are more than 200m steel chimneys. It is very difficult to use the traditional installation method for the steel chimney above 90m. The accurate installation rate of the steel chimney is long, the construction period is long, the construction cost is high and the construction quality is difficult to guarantee. For example, a four-column iron tower type double barrel body type 200m steel chimney has a total weight of 2500t, and the installation standard is high. The largest TC-2000 type car crane on the construction site can only be hoisted to 115m.
本发明针对现有钢烟囱筒体安装施工中存在的技术问题，提供一种钢烟囱筒体的倒装施工方法。The invention aims at the technical problems existing in the installation and construction of the existing steel chimney cylinder, and provides a flipping construction method of the steel chimney cylinder.
本发明所提供的一种钢烟囱筒体的倒装施工方法具体内容如下：The flipping construction method of a steel chimney cylinder provided by the invention is as follows:
（1）在将被顶升的钢烟囱筒体1的外侧设置环形托梁2，在所述环形托梁2上装有短行程的千斤顶，所述环形托梁2对所述钢烟囱筒体1起夹紧和支承作用，所述环形托梁2支承所述钢烟囱筒体1的全部载荷。(1) an annular joist 2 is provided on the outer side of the steel chimney cylinder 1 to be lifted, and a short stroke jack is mounted on the annular joist 2, the annular joist 2 facing the steel chimney cylinder 1 The clamping and supporting action, the annular joist 2 supports the entire load of the steel chimney cylinder 1.
（2）在所述钢烟囱筒体1的内壁设置绞接式补强装置4，所述补强装置4在千斤顶推动下扩展，使所述钢烟囱筒体1保持正圆形。(2) A spliced reinforcing device 4 is disposed on the inner wall of the steel chimney cylinder 1, and the reinforcing device 4 is expanded under the push of the jack to maintain the steel chimney cylinder 1 in a true circular shape.
（3）在所述环状托梁2的外侧设置顶升柱5，所述顶升柱5的上部装有主千斤顶，在所述顶升柱5与钢烟囱筒体1之间设置提拉装置3，所述提拉装置3与所述环状托梁2连接，所述主千斤顶的工作行程定位900mm，使所述环状托梁2连同筒体1顶升六次，完成一个筒体的顶升。(3) A lifting column 5 is disposed outside the annular joist 2, and an upper portion of the lifting column 5 is provided with a main jack, and a lifting is arranged between the jacking column 5 and the steel chimney cylinder 1 The device 3 is connected to the annular joist 2, and the working stroke of the main jack is positioned 900 mm, so that the annular joist 2 is lifted six times together with the cylinder 1 to complete a cylinder. The top rises.
（4）在钢烟囱筒体1被顶到△h高度后，由设置在所述顶升柱5顶部的安全螺母7进行锁紧，此时所述筒体1安全地停留在△h高度。(4) After the steel chimney cylinder 1 is lifted to the Δh height, it is locked by the safety nut 7 provided at the top of the jacking column 5, at which time the cylinder 1 is safely stayed at the height Δh.
（5）将另一段钢烟囱筒体放在运输顶升小车6上，推入到所述筒体1的中心位置，在所述运输顶升小车6下设有六个千斤顶，将所述运输顶升小车（6）以及其上的另一段钢烟囱筒体进行顶升，使所述另一段钢烟囱筒体找正对焊口与所述钢烟囱筒体1进行焊接。(5) placing another section of the steel chimney cylinder on the transport jacking trolley 6 and pushing it into the center position of the cylinder body 1, and providing six jacks under the transport jacking trolley 6, the transporting The jacking trolley (6) and another section of the steel chimney cylinder thereon are jacked, and the other section of the steel chimney cylinder is aligned with the steel chimney cylinder 1 for welding.
（6）将所述环状托梁2与补强装置4的千斤顶全部卸荷松开，与所述钢烟囱筒体1脱离，所述主千斤顶带动所述环状托梁2以900mm回程六次，然后使全部装置回到原来的位置进行再次顶升作业，这样周期顶升，直到所述钢烟囱筒体1被提升到所需高度为止。(6) The unloading of the annular joist 2 and the jack of the reinforcing device 4 is completely released, and is separated from the steel chimney cylinder 1, and the main jack drives the annular joist 2 to return to the 900 mm. Then, all the devices are returned to the original position for the jacking operation again, so that the cycle rises until the steel chimney cartridge 1 is lifted to the desired height.
本发明方法是通过筒体倒装法，就是自下而上地将筒体顶上去的方法，用吊车吊装筒体的起始段就位，将筒体其余高度部分分成n段，选定每段高度为5400mm。在筒体顶起5400mm高度后，将新的一段筒体5400mm推入，顶起后进行对口焊接。在筒体上端装设一台80t.m的建筑用塔吊，此塔吊随筒身上升，筒身顶升若干高度后，停止顶升，塔吊即可安装上段塔架及平台的构件，塔架安装到一定高度，筒体又可继续顶升5400mm高。这样重复交替，筒体、塔架、电梯均可全部完成作业，直到所述钢烟囱筒体被提升到200m的所需高度为止。The method of the invention is a method of flipping the cylinder body, that is, the method of lifting the cylinder top from the bottom up, the starting section of the lifting body of the crane is in place, and the remaining height part of the cylinder is divided into n sections, and each is selected. The height of the segment is 5400 mm. After the cylinder is lifted at a height of 5400 mm, a new section of cylinder 5400 mm is pushed in, and the jacking is performed after the jacking. An 80t.m tower crane is installed at the upper end of the cylinder. The tower crane rises with the cylinder body. After the cylinder body rises to a certain height, the jacking is stopped. The tower crane can install the upper tower and the components of the platform. The tower installation At a certain height, the cylinder can continue to rise 5400mm. In this way, the cylinder, the tower, and the elevator can all be completed until the steel chimney cylinder is lifted to a desired height of 200 m.
本发明方法安全可靠、节省工期、施工质量与效率高并且能够降低施工成本。The method of the invention is safe and reliable, saves construction period, has high construction quality and efficiency, and can reduce construction cost.
图1是本发明方法安装结构示意图。Figure 1 is a schematic view showing the mounting structure of the method of the present invention.
图中：1、钢烟囱筒体；2、环状托梁；3、提拉装置；4、补强装置；5、顶升柱；6、运输顶升小车；7、安全螺母；8、混凝土基础。In the figure: 1, steel chimney cylinder; 2, annular joist; 3, lifting device; 4, reinforcing device; 5, lifting column; 6, transport jacking trolley; 7, safety nut; basis.
现结合附图和实施例对本发明提出的一种钢烟囱筒体倒装的施工方法作进一步说明。The construction method of a steel chimney cylinder flipping proposed by the present invention will be further described with reference to the accompanying drawings and embodiments.
某烧结厂四柱铁塔式双筒体集合型200m钢烟囱，烟囱结构总重量为2500t，安装标准要求高。使用本发明方法施工能够安全、按期、保质完成200m钢烟囱的施工任务，节约大型吊车吊装台班费数十万，降低施工成本达三十多万元。A four-column iron tower double-barrel-collecting 200m steel chimney in a sinter plant has a total weight of 2,500t and a high installation standard. By using the method of the invention, the construction task of the 200m steel chimney can be completed safely, on schedule, and in quality, saving hundreds of thousands of large crane hoisting work and reducing construction cost by more than 300,000 yuan.
该200m钢烟囱筒体的倒装施工方法具体如下：The flip-chip construction method of the 200m steel chimney cylinder is as follows:
（1）在将被顶升的200m钢烟囱筒体的外侧设置环形托梁2，在环形托梁2上装有12个短行程20吨的千斤顶，它对筒体起夹紧和支承作用，支承被顶升的筒体的全部载荷。(1) An annular joist 2 is arranged on the outer side of the 200 m steel chimney cylinder to be lifted, and 12 short-stroke 20-ton jacks are mounted on the annular joist 2, which clamp and support the cylinder and support The full load of the jacked up cylinder.
（2）在筒体内壁设置绞接式补强装置4，该补强装置4在200吨千斤顶推动下扩展，使筒体保持正圆形。(2) A spliced reinforcing device 4 is disposed on the inner wall of the cylinder, and the reinforcing device 4 is expanded by a 200-ton jack to keep the cylinder in a true circular shape.
（3）在环状托梁2的外侧设置顶升柱5，顶升柱5的顶部装有主千斤顶，在顶升柱5与钢烟囱筒体1之间设置提拉装置3，提拉装置3与环状托梁2连接。主千斤顶的工作行程定位900mm，可使环状托梁2连同筒体1顶升六次，完成一个筒体的顶升任务。(3) A lifting column 5 is arranged on the outer side of the annular joist 2, a top jack is arranged on the top of the lifting column 5, and a lifting device 3 is arranged between the lifting column 5 and the steel chimney cylinder 1, and the pulling device is provided 3 is connected to the annular joist 2 . The working stroke of the main jack is positioned at 900 mm, and the annular joist 2 can be lifted six times together with the cylinder 1 to complete the lifting task of one cylinder.
（4）在筒体被顶到△h高度后，由安全螺母7锁紧，此时筒体安全地停留在△h高度。(4) After the cylinder is lifted to the height of Δh, it is locked by the safety nut 7, and the cylinder is safely staying at the height of Δh.
（5）将另一段筒体放在运输顶升小车6上，推入到筒体中心位置，在运输顶升小车6下设有6个千斤顶，将运输顶升小车6以及其上的另一段钢烟囱筒体进行顶升，使所述另一段钢烟囱筒体找正对焊口与所述钢烟囱筒体1进行焊接找正对焊口焊接。(5) Place another cylinder on the transport jack 6 and push it into the center of the cylinder. There are 6 jacks under the transport jack 6 and transport the jack 6 and another section above it. The steel chimney cylinder is jacked, and the other steel chimney cylinder is aligned and welded to the steel chimney cylinder 1 to be welded and aligned.
（6）将环状托梁2与补强装置4的千斤顶全部卸荷松开，与筒体脱离，主千斤顶即可带动环状托梁2以900mm回程六次，使全部装置回到原来的位置，进行再次顶升作业，这样周期顶升，直到钢烟囱筒体被提升到所需200m高度为止。(6) The unloading of the annular joist 2 and the jack of the reinforcing device 4 is completely released, and is separated from the cylinder, and the main jack can drive the annular joist 2 to return to the original position of 900 mm at 900 mm, so that all the devices return to the original Position, carry out the lifting operation again, so that the cycle rises until the steel chimney cylinder is lifted to the required height of 200m.
Claims (1)
1、一种钢烟囱筒体的倒装施工方法，其特征在于该方法具体内容如下： 1. A flip-chip construction method for a steel chimney cylinder, characterized in that the method is as follows:
（1）在被顶升的钢烟囱筒体（1）的外侧设置环形托梁（2），在所述环形托梁（2）上装有短行程的千斤顶，所述环形托梁（2）对所述钢烟囱筒体（1）起夹紧和支承作用，所述环形托梁（2）支承所述钢烟囱筒体（1）的全部载荷；(1) an annular joist (2) is disposed on the outer side of the jacked steel chimney cylinder (1), and a short stroke jack is mounted on the annular joist (2), the annular joist (2) pair The steel chimney cylinder (1) functions as a clamping and supporting, and the annular joist (2) supports the entire load of the steel chimney cylinder (1);
（2）在所述钢烟囱筒体（1）的内壁设置绞接式补强装置（4），所述补强装置（4）在千斤顶推动下扩展，使所述钢烟囱筒体（1）保持正圆形；(2) a spliced reinforcing device (4) is disposed on the inner wall of the steel chimney cylinder (1), and the reinforcing device (4) is expanded under the push of the jack to make the steel chimney cylinder (1) Keep a perfect circle;
（3）在所述环状托梁（2）的外侧设置顶升柱（5），所述顶升柱（5）的上部装有主千斤顶，在所述顶升柱（5）与钢烟囱筒体（1）之间设置提拉装置（3），所述提拉装置（3）与所述环状托梁（2）连接，所述主千斤顶的工作行程定位900mm，使所述环状托梁（2）连同筒体（1）顶升六次，完成一个筒体的顶升；(3) a lifting column (5) is arranged outside the annular joist (2), the upper part of the lifting column (5) is provided with a main jack, and the jacking column (5) and the steel chimney A lifting device (3) is arranged between the cylinders (1), the pulling device (3) is connected with the annular joist (2), and the working stroke of the main jack is positioned 900 mm, so that the ring is The joist (2) is lifted six times together with the cylinder (1) to complete the lifting of a cylinder;
（4）在钢烟囱筒体（1）被顶到△h高度后，由设置在所述顶升柱（5）顶部的安全螺母（7）进行锁紧，此时所述筒体1安全地停留在△h高度；(4) After the steel chimney cylinder (1) is lifted to a height of Δh, it is locked by a safety nut (7) provided at the top of the jacking column (5), at which time the cylinder 1 is safely Stay at Δh height;
（5）将另一段钢烟囱筒体放在运输顶升小车（6）上，推入到所述筒体（1）的中心位置，在所述运输顶升小车（6）下设有六个千斤顶，将所述运输顶升小车（6）以及其上的另一段钢烟囱筒体进行顶升，使所述另一段钢烟囱筒体找正对焊口与所述钢烟囱筒体（1）进行焊接；(5) placing another section of the steel chimney cylinder on the transport jacking trolley (6), pushing it into the center of the cylinder (1), and having six under the transport jacking trolley (6). Jack, lifting the transport jacking trolley (6) and another section of the steel chimney cylinder thereon, so that the other section of the steel chimney cylinder is aligned with the butt weld and the steel chimney cylinder (1) Welding
（6）将所述环状托梁（2）与补强装置（4）的千斤顶全部卸荷松开，与所述钢烟囱筒体（1）脱离，所述主千斤顶带动所述环状托梁（2）以900mm回程六次，然后使全部装置回到原来的位置进行再次顶升作业，这样周期顶升，直到所述钢烟囱筒体（1）被提升到所需高度为止。(6) releasing the unloading of the annular joist (2) and the jack of the reinforcing device (4), and disengaging from the steel chimney cylinder (1), the main jack driving the annular support The beam (2) is returned six times at 900 mm, and then all the devices are returned to their original positions for re-uplifting, so that the cycle rises until the steel chimney cylinder (1) is lifted to the desired height.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310352163.1 | 2013-08-14 | ||
| CN201310352163.1A CN103437589B (en) | 2013-08-14 | 2013-08-14 | A kind of inversion construction method of steel chimney cylinder |
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| WO2015021693A1 true WO2015021693A1 (en) | 2015-02-19 |
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| CN104563590B (en) * | 2015-01-16 | 2017-01-04 | 江西建工第二建筑有限责任公司 | Inner steel cylinder of chimney hydraulic pressure lift constructing device and method thereof |
| CN105507652A (en) * | 2015-11-25 | 2016-04-20 | 中冶天工集团有限公司 | Hydraulic lifting and upside-down construction method for internal steel tube of chimney |
| CN111957176A (en) * | 2020-09-04 | 2020-11-20 | 杨虹 | Research and development of construction process of internal component of boiler desulfurization tower |
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| RU2648741C2 (en) * | 2016-03-15 | 2018-03-28 | Алексей Анатольевич Ладнушкин | Method for mounting gas-outlet bore of chimney without crane |
| CN107747423A (en) * | 2017-08-30 | 2018-03-02 | 江苏铭远杆塔有限公司 | Replaceable fiber glass reinforced plastic chimney supports long-life steel tower |
| CN108590322A (en) * | 2017-12-20 | 2018-09-28 | 中冶天工集团有限公司 | A kind of method of free-standing steel chimney upside-down method of hull-section construction assembling segmental hoisting |
| CN108775081A (en) * | 2018-08-11 | 2018-11-09 | 中国电建集团贵州电力设计研究院有限公司 | A kind of hydraulic lifting inverted structure and its application method |
| CN113319525A (en) * | 2021-05-18 | 2021-08-31 | 希斯芮烟囱科技(连云港)有限公司 | Manufacturing process of D-shaped sleeve type steel chimney inner barrel |
| CN114939289A (en) * | 2022-06-01 | 2022-08-26 | 中国化学工程第十四建设有限公司 | Inverted installation method of filter press for press filtration production |
| CN114939289B (en) * | 2022-06-01 | 2023-12-19 | 中国化学工程第十四建设有限公司 | Flip-chip mounting method of filter press for squeezing and filtering production |
| CN115897815A (en) * | 2022-12-29 | 2023-04-04 | 中冶建工集团有限公司 | Hydraulic synchronous jacking method for chimney construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103437589B (en) | 2015-11-18 |
| CN103437589A (en) | 2013-12-11 |
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