CN112192503A - Installation method for installing tower in cold box - Google Patents
Installation method for installing tower in cold box Download PDFInfo
- Publication number
- CN112192503A CN112192503A CN202010908444.0A CN202010908444A CN112192503A CN 112192503 A CN112192503 A CN 112192503A CN 202010908444 A CN202010908444 A CN 202010908444A CN 112192503 A CN112192503 A CN 112192503A
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- China
- Prior art keywords
- tower
- saddle
- cold box
- jacking
- steel structure
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Classifications
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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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
Abstract
The invention discloses an installation method for installing a tower in a cold box, which comprises the following steps: s1, conveying the tower to a workshop site; s2, unloading the tower; s3, welding a sliding saddle and a temporary fixed saddle; s4, placing a support pier, wherein a first guide rail is arranged on the support pier; a first ground tank is arranged below the sliding saddle; s5, placing a first ground tank on a first guide rail; s6, welding the connecting rail; s7, drawing the tower by using a drawing device to move the tower into a cold box steel structure; s8, arranging a second jacking seat; s9, lifting the tower by the second lifting seat; s10, removing the sliding saddle and the second rail; s11, welding a formal saddle and a formal support frame; s12, descending the second jacking seat to place the formal saddle on the formal support frame; s13, removing the temporary saddle and transporting the saddle. The installation method utilizes a translation mode to install the tower into the cold box, the height of a workshop is not required, and the construction area is greatly reduced.
Description
Technical Field
The invention relates to an installation method, in particular to an installation method for installing a tower in a cold box.
Background
A tower is a cylindrical welding structure process device, which consists of a cylinder body, a seal head (or called a cover head) and a support, is a non-standard device specially designed and manufactured for certain production process requirements, is mainly used for vertical devices of chemical unit operations such as distillation, purification, absorption, rectification and the like, and is widely used for mass transfer and heat transfer between gas-liquid and liquid-liquid phases.
However, in the process of modular production, originally, welding work on a construction site is all moved to a factory for modular production, a tower is a container with a large volume, the tower generally needs to be installed in a steel structure of a cold box, the installation cost of the cold box is gradually increased, the site safety requirements are more and more strict, more and more cold boxes are manufactured in a factory in a modular mode, then the cold boxes are integrally delivered and transported to the site, and finally the cold boxes are directly hoisted in place on the site. The method can reduce the workload of site construction, thereby reducing the number of site constructors, the service cycle of large construction machinery and the period of high-altitude operation, and achieving the purposes of reducing the site installation cost and safety risk.
This has led to a more complex problem: how the container in the cold box steel structure is hoisted into the cold box steel structure in a factory.
1. If a large crane is adopted for hoisting, additional cost is generated, and the hoisting cost is not saved compared with the field hoisting. And the operation radius of the large crane is larger, the required operation space is larger, and the occupied area is too much. In addition, when the large crane boom works, the requirement on the clearance height of a workshop is met, otherwise, the large crane cannot perform hoisting operation in the workshop.
2. If a large-scale travelling crane is installed in a workshop, the requirement on the overall design strength of the workshop is greatly improved, and more expenses are undoubtedly increased. Even if the workshop has designed large-scale driving, the workshop height can be correspondingly higher so, and the design is originally designed for higher, heavy building construction, but the cold box belongs to horizontal preparation, and is very low to the requirement of workshop height, can cause the wasting of resources in high space undoubtedly, considers very unreasonablely from the cost control angle.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the installation method is characterized in that the tower is installed in the cold box in a horizontal translation mode, the tower does not need to be lifted to a certain height, the height of a workshop is not required, and the construction area is greatly reduced.
In order to solve the technical problems, the technical scheme of the invention is as follows: a method of installing a tower in a cold box, comprising the steps of:
s1, conveying the tower to a workshop site by using a hydraulic plate trailer, wherein the tower on the hydraulic plate trailer is parallel to the cold box steel structure and is positioned at a station to be installed;
s2, unloading the tower on the hydraulic plate trailer, and supporting a transportation saddle at the bottom of the tower by using the first jacking seat;
s3, welding a plurality of sliding saddles and temporary fixed saddles at the bottom of the tower;
s4, placing a support pier below the sliding saddle, wherein the support pier is provided with a first guide rail extending transversely; a first ground tank matched with the first guide rail is arranged below the sliding saddle;
s5, descending the first jacking seat to place the first tank on the first guide rail and support the first tank by the support pier;
s6, welding a connecting rail, wherein the connecting rail is positioned on the same straight line with a second guide rail and a first rail which are welded on the cold box steel structure in advance; if the second track is not welded in advance, the second track is welded when the connected tracks are welded;
s7, drawing the tower by using a drawing device to move the tower into a cold box steel structure;
s8, arranging a second jacking seat below the temporary fixed saddle;
s9, jacking the temporary fixed saddle by the second jacking seat to lift the tower;
s10, removing the sliding saddle and the second rail on the cold box steel structure;
s11, welding a formal saddle at the bottom of the tower; welding a formal support frame for supporting a formal saddle on the steel structure of the cold box;
s12, descending the second jacking seat to place the formal saddle on the formal support frame;
s13, removing the temporary saddle and the redundant transportation saddle.
As a preferable scheme, the manner of unloading the tower on the hydraulic pallet truck in the step S2 is as follows:
s21, jacking the tower by using a jacking mechanism of the hydraulic plate trailer;
s22, placing first jacking seats below a transportation saddle of the tower, wherein the first jacking seats are positioned on two sides of the hydraulic plate trailer;
s23, descending a jacking mechanism of the hydraulic plate trailer to support the transportation saddle by the first jacking seat;
s24, the first jacking seat jacks the tower to separate the bottom of the tower from the hydraulic plate trailer;
and S25, driving away the hydraulic plate truck.
Preferably, in the step S7, the moving position of the tower is horizontally positioned by the positioning structure while the tower is drawn by the drawing device and moved into the steel structure of the cold box.
As a preferred scheme, the positioning structure is a positioning block welded or detachably mounted on the steel structure of the cold box, and a rubber pad is arranged on the positioning side of the positioning block.
After the technical scheme is adopted, the invention has the effects that: because the installation method adopts a translation mode, after the tower is conveyed to a workshop by the hydraulic plate trailer, the tower is close to and parallel to the cold box steel structure, and then the unloading of the tower is realized by utilizing the mutual matching of the jacking system of the hydraulic plate trailer and the first jacking seat; then a sliding saddle and a temporary fixed saddle are arranged at the bottom of the tower, so that a support pier and a first guide rail can be arranged below by using the jacking of a first jacking seat, and a ground tank is conveniently arranged below the sliding saddle, so that the tower can be placed on the support pier by using the descending of the first jacking seat, then the ground tank can move on the first guide rail, then a second guide rail is welded on a cold box steel structure, and a connecting guide rail is arranged between the first guide rail and the second guide rail, so that the tower can be moved in the cold box steel structure by traction, and then the tower can be jacked in the cold box steel structure by using a second jacking seat, so that the sliding saddle and a second track can be conveniently removed, a formal saddle and a formal support frame can be conveniently arranged on the cold box steel structure, and then the second jacking seat descends to place the tower on the formal support frame, thereby completing the translational installation, the whole process has extremely low requirement on space, does not adopt hoisting, does not need to reserve a large crane station site, can reduce large tools and tools, greatly reduces the requirement on construction area and reduces the cost.
In step S7, the tower is pulled by the pulling device and moved into the steel structure of the cold box, and the moving position of the tower is horizontally positioned by the positioning structure. Thus the tower can be more accurate when moving.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a plan view of the arrangement of the tower and cold box steel structures of an embodiment of the present invention;
FIG. 2 is a schematic side view of the tower supported by the first jacking seat in step 2;
FIG. 3 is a schematic top view of the tower in steps 4 and 5, supported by the buttress;
FIG. 4 is a schematic side view of the tower in steps 4 and 5, as supported by the buttress;
FIG. 5 is a side view of the tower moved into the cold box steel structure;
FIG. 6 is a side schematic view of the tower in the cold box steel structure and supported by the second jacking seat;
FIG. 7 is a side view of the tower in the cold box steel structure supported by the official support stands;
in the drawings: 1. a cold box steel structure; 2. a tower; 3. transporting the saddle; 4. a sliding saddle; 5. a first jacking seat; 6. jacking seat buttress; 7. a first track; 8. connecting the rails; 9. a second track; 10. a ground tank; 11. a traction device; 12. positioning blocks; 13. temporarily fixing the saddle; 14. a second jacking seat; 15. a formal saddle; 16. and (7) formally supporting the frame.
Detailed Description
The present invention is described in further detail below with reference to specific examples.
As shown in fig. 1 to 7, an installation method of installing a tower 2 in a cold box includes the steps of:
s1, conveying the tower 2 to a workshop site by using a hydraulic plate trailer, wherein the tower 2 on the hydraulic plate trailer is parallel to the cold box steel structure 1 and is positioned at a station to be installed; the tower 2 is supported and transported by a hydraulic plate trailer which is provided with a hydraulic jacking mechanism.
S2, unloading the tower 2 on the hydraulic plate trailer, and supporting the transportation saddle 3 at the bottom of the tower 2 by using the first jacking seat 5; as shown in fig. 2, the manner of unloading the tower 2 on the hydraulic pallet truck in step S2 is as follows:
s21, jacking the tower 2 by using a jacking mechanism of the hydraulic plate trailer;
s22, placing first jacking seats 5 below the transportation saddle 3 of the tower 2, wherein the first jacking seats 5 are positioned on two sides of the hydraulic plate trailer; when the tower 2 is conveyed on the hydraulic plate trailer, the width of the transportation saddle 3 of the tower 2 is larger than that of the hydraulic plate trailer, and therefore, the first jacking seat 5 only needs to be placed on the two sides of the transportation saddle 3 and the two sides of the hydraulic plate trailer. The first jacking seat 5 will typically be placed on a jacking seat buttress 6 to meet a certain height support.
S23, descending a jacking mechanism of the hydraulic plate trailer to support the transport saddle 3 by the first jacking seat 5, wherein the supporting height of the first jacking seat 5 is higher than that of the hydraulic plate trailer;
s24, the first jacking seat 5 jacks the tower 2 to separate the bottom of the tower 2 from the hydraulic plate trailer;
s25, the hydraulic plate trailer is separated, so that the whole tower 2 is supported by the first jacking seat 5;
s3, welding a plurality of sliding saddles 4 and temporary fixed saddles 13 at the bottom of the tower 2; the sliding saddle 4, the temporary fixed saddle 13 and the transport saddle 3 are mutually staggered;
s4, as shown in figures 3 and 4, a support pier is arranged below the sliding saddle 4, and a first guide rail extending transversely is arranged on the support pier; a first ground tank 10 matched with the first guide rail is arranged below the sliding saddle 4;
s5, the first jacking seat 5 descends to place the first ground tank 10 on the first guide rail and support the first ground tank by the support pier; the tower 2 is thus supported by the first tank 10, providing conditions for lateral movement;
s6, welding a connecting rail 8, wherein the connecting rail 8 is positioned on the same straight line with a second guide rail and a first rail 7 which are welded on the cold box steel structure 1 in advance; if the second rail 9 is not welded in advance, the second rail 9 is welded when the connecting rail 8 is welded; more preferably, a support pier is also arranged below the engaging rail 8 to assist in supporting, so that the tower 2 is stressed more uniformly when moving on the engaging rail 8.
S7, as shown in fig. 5, the tower 2 is pulled by the pulling device 11 and moved into the cold box steel structure 1; the traction device 11 can be an electric hoist or other steel wire traction mechanisms; in step S7, in the process of moving the tower 2 into the cold box steel structure 1 by pulling the tower by the pulling device 11, the moving position of the tower 2 is horizontally positioned by the positioning structure. The positioning structure is a positioning block 12 welded or detachably mounted on the cold box steel structure 1, and a rubber pad is arranged on the positioning side of the positioning block 12. After the tower 2 is entered into the cold box steel structure 1, the positioning blocks 12 may be fusion welded and removed.
S8, arranging a second jacking seat 14 below the temporary fixed saddle 13; the second jacking seat 14 is also arranged on the jacking seat buttress 6, so that the height is increased.
S9, as shown in FIG. 6, the second jacking seat 14 jacks up the temporary fixing saddle 13 to lift up the tower 2; there is sufficient space below the tower 2 to facilitate operation.
S10, removing the sliding saddle 4 and the second rail 9 on the cold box steel structure 1, and then removing the transportation saddle 3 or converting the function of the transportation saddle 3 into a formal saddle 15;
s11, welding a formal saddle 15 at the bottom of the tower 2; a formal support frame 16 for supporting a formal saddle 15 is welded on the cold box steel structure 1;
s12, as shown in fig. 7, the second lifting seat 14 is lowered to place the formal saddle 15 on the formal support frame 16;
s13, removal of the temporary saddle and of the excess transport saddle 3.
The installation method of the invention has the advantages that:
the cost aspect is as follows: if a large crane is needed for on-site tower installation, the tower needs to be lifted to a certain height and integrally lifted and arranged in a cold box steel structure, and huge lifting cost is needed; when the tower is installed by a factory translation method, the whole elevation of the tower and the steel structure of the cold box is the same, and the limitation on hoisting is very small, so that the hoisting cost is greatly saved.
The aspect of the height of the workshop: the translation method does not need to hoist the tower to a certain height, and the workshop height only needs to ensure that the steel structure can be normally installed.
The aspect of workshop area: the translation method does not need to reserve a large crane station site, and the requirement on the construction area is greatly reduced.
Construction equipment aspect: and hoisting is not adopted, so that the size of the tool can be reduced. For example: frame type balance beam is not needed (especially for aluminum tower, large pocket type hoisting is easy to deform, frame type balance beam is added to ensure that the shell ring does not deform during hoisting)
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (4)
1. A method for installing a tower in a cold box is characterized in that: the method comprises the following steps:
s1, conveying the tower to a workshop site by using a hydraulic plate trailer, wherein the tower on the hydraulic plate trailer is parallel to the cold box steel structure and is positioned at a station to be installed;
s2, unloading the tower on the hydraulic plate trailer, and supporting a transportation saddle at the bottom of the tower by using the first jacking seat;
s3, welding a plurality of sliding saddles and temporary fixed saddles at the bottom of the tower;
s4, placing a support pier below the sliding saddle, wherein the support pier is provided with a first guide rail extending transversely; a first ground tank matched with the first guide rail is arranged below the sliding saddle;
s5, descending the first jacking seat to place the first tank on the first guide rail and support the first tank by the support pier;
s6, welding a connecting rail, wherein the connecting rail is positioned on the same straight line with a second guide rail and a first rail which are welded on the cold box steel structure in advance; if the second track is not welded in advance, the second track is welded when the connected tracks are welded;
s7, drawing the tower by using a drawing device to move the tower into a cold box steel structure;
s8, arranging a second jacking seat below the temporary fixed saddle;
s9, jacking the temporary fixed saddle by the second jacking seat to lift the tower;
s10, removing the sliding saddle and the second rail on the cold box steel structure;
s11, welding a formal saddle at the bottom of the tower; welding a formal support frame for supporting a formal saddle on the steel structure of the cold box;
s12, descending the second jacking seat to place the formal saddle on the formal support frame;
s13, removing the temporary saddle and the redundant transportation saddle.
2. A method of installing a tower in a cold box according to claim 1, wherein: in the step S2, the unloading manner of the tower on the hydraulic plate trailer is as follows:
s21, jacking the tower by using a jacking mechanism of the hydraulic plate trailer;
s22, placing first jacking seats below a transportation saddle of the tower, wherein the first jacking seats are positioned on two sides of the hydraulic plate trailer;
s23, descending a jacking mechanism of the hydraulic plate trailer to support the transportation saddle by the first jacking seat;
s24, the first jacking seat jacks the tower to separate the bottom of the tower from the hydraulic plate trailer;
and S25, driving away the hydraulic plate truck.
3. A method of installing a tower in a cold box as claimed in claim 2, wherein: and S7, in the process that the tower is dragged by the traction device to move into the steel structure of the cold box, the moving position of the tower is horizontally positioned by the positioning structure.
4. A method of installing a tower in a cold box according to claim 3, wherein: the positioning structure is a positioning block welded or detachably mounted on the cold box steel structure, and a rubber pad is arranged on the positioning side of the positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908444.0A CN112192503A (en) | 2020-09-02 | 2020-09-02 | Installation method for installing tower in cold box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908444.0A CN112192503A (en) | 2020-09-02 | 2020-09-02 | Installation method for installing tower in cold box |
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| Publication Number | Publication Date |
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| CN112192503A true CN112192503A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010908444.0A Pending CN112192503A (en) | 2020-09-02 | 2020-09-02 | Installation method for installing tower in cold box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055965A (en) * | 2022-08-22 | 2022-09-16 | 北京中科富海低温科技有限公司 | Horizontal type cold box assembly system and assembly method thereof |
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| US20180299198A1 (en) * | 2017-04-12 | 2018-10-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'expoitation Des Procedes Georges Claude | Method for installation of a cryogenic distillation apparatus |
| CN110451081A (en) * | 2019-08-08 | 2019-11-15 | 郭斌 | A kind of chemical tower equipment crosshauling method |
| CN110877181A (en) * | 2019-11-20 | 2020-03-13 | 华陆工程科技有限责任公司 | Assembling method on saddle of large-scale tower equipment |
| CN111591936A (en) * | 2020-05-29 | 2020-08-28 | 中国化学工程第三建设有限公司 | Method for installing condenser with high foundation at bottom of concrete frame in plant |
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2020
- 2020-09-02 CN CN202010908444.0A patent/CN112192503A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253176A (en) * | 2013-05-30 | 2013-08-21 | 中石化第四建设有限公司 | Construction method for transporting ultrahigh large-scale equipment to pass through bridge and culvert in extreme low location |
| CN206590817U (en) * | 2017-03-27 | 2017-10-27 | 广东茂化建集团有限公司 | A kind of Large Towers kind equipment self-unloading frock |
| US20180299198A1 (en) * | 2017-04-12 | 2018-10-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'expoitation Des Procedes Georges Claude | Method for installation of a cryogenic distillation apparatus |
| CN107013038A (en) * | 2017-05-08 | 2017-08-04 | 福建省涵城建设工程有限公司 | A kind of steel structure slipping of building roof lighting Zhongting changes column construction method |
| CN110451081A (en) * | 2019-08-08 | 2019-11-15 | 郭斌 | A kind of chemical tower equipment crosshauling method |
| CN110877181A (en) * | 2019-11-20 | 2020-03-13 | 华陆工程科技有限责任公司 | Assembling method on saddle of large-scale tower equipment |
| CN111591936A (en) * | 2020-05-29 | 2020-08-28 | 中国化学工程第三建设有限公司 | Method for installing condenser with high foundation at bottom of concrete frame in plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055965A (en) * | 2022-08-22 | 2022-09-16 | 北京中科富海低温科技有限公司 | Horizontal type cold box assembly system and assembly method thereof |
| CN115055965B (en) * | 2022-08-22 | 2022-11-04 | 北京中科富海低温科技有限公司 | Horizontal type cold box assembly system and assembly method thereof |
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Application publication date: 20210108 |
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