CN113914633A - Modular construction method of double-U-shaped annular pipe reactor - Google Patents
Modular construction method of double-U-shaped annular pipe reactor Download PDFInfo
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- CN113914633A CN113914633A CN202111186471.2A CN202111186471A CN113914633A CN 113914633 A CN113914633 A CN 113914633A CN 202111186471 A CN202111186471 A CN 202111186471A CN 113914633 A CN113914633 A CN 113914633A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2435—Loop-type reactors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses a modular construction method of a double-U-shaped loop reactor, which comprises the double-U-shaped loop reactor, wherein four groups of straight cylinder sections, three groups of elbows and wide flange reinforcing beams are fixedly connected and assembled at first, so that a double-U-shaped loop reactor system is formed, in order to ensure the assembling precision of equipment in the assembling process, the lower part of the bottom of a body can be in contact positioning with the ground through a balance positioning mechanism, so that the equipment is more flat and more solid and is prevented from deforming, and the precision control is carried out by adopting laser leveling equipment in the assembling process; according to the invention, the modularized equipment assembly precision control technology, the modularized hoisting deformation prevention reinforcing technology and the modularized hoisting point balancing technology are respectively formed by the mutual matching of the double-U-shaped ring pipe reaction mechanism, the balance positioning mechanism and the hoisting point balancing mechanism, so that the equipment utilizes the balance positioning mechanism as a simple support, the equipment is ensured to be flat and solid, the integral alignment of the equipment is facilitated, and the hoisting stability of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of loop reactors, in particular to a modular construction method of a double-U-shaped loop reactor.
Background
The loop reactor is used as core equipment for carrying out chemical reaction and has a unique structural form, the loop reactor is composed of 4 slender straight cylindrical shell sections, a straight cylindrical shell section with the length of 39 meters and the inner diameter of phi 609.6mm, a jacket outer pipe with the outer diameter of phi 690, 3 bends of 180 degrees and a plurality of connecting beams, the weight of the equipment is about 145 tons, and the equipment is ultra-long and ultra-heavy.
At present, hoisting of a loop reactor in China adopts two modes: wholly or the burst, when adopting two barrel combination formula hoists, this kind of hoist and mount technology equipment, it is bigger to the requirement in place, two barrel combination become the monolithic structure rigidity not good, produce easily and warp, it is fixed to need the hawser after the hoist and mount, follow-up intermediate junction roof beam is whole for aerial work, construction safety factor is low, it is big to cause the construction degree of difficulty, construction safety measure drops into great, construction period is also longer, and the very big scaffold frame of quantity need be set up in two barrel combination hoists of conventionality, not only increase the engineering volume that the scaffold frame was taken and is torn open and constructor's labour, simultaneously great improvement construction cost's demand.
Disclosure of Invention
The present invention aims to provide a modular construction method for a double U-shaped loop reactor, which solves the problems associated with the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the modular construction method of the double U-shaped loop reactor comprises the following steps:
step one; firstly, fixedly connecting and assembling four groups of straight cylindrical shell sections, three groups of elbows and wide flange reinforcing beams to form a double-U-shaped annular pipe reactor system, and in order to ensure the equipment assembly precision in the assembly process, the lower part of the bottom of the body can be in contact positioning with the ground through a balance positioning mechanism, so that the equipment is more flat and fixed and is prevented from deforming;
step two; because the equipment is too thin and long, in order to prevent the equipment from deforming in the hoisting process, an eight-diagram-shaped reinforcing beam structure consisting of four wide flanges is added on the four surfaces in the middle of the equipment, the lower layer of a top hoisting point and the upper layer of a bottom hoisting point, and a support reinforcing mechanism is used for auxiliary balance positioning, so that the consistency of a horizontal plane which is in contact with the ground after the equipment is hoisted can be ensured, the deformation of the equipment in the hoisting process is inhibited, and the integral rigidity of the equipment is improved through a double-U-shaped structure;
step three; after the equipment is completely assembled, a large crawler crane can be used as a main crane, a crawler with proper tonnage can be used as an auxiliary crane tail slipping alternatively, when the loop reactor is hoisted, because the heights of four hoisting points are inconsistent, in order to ensure the stable hoisting of the equipment, the four hoisting points of the equipment can be connected through a hoisting point balance mechanism, and lubricating oil is smeared outside a pulley, so that the hoisting points at the top of the equipment are kept balanced through dead weight in the hoisting process.
Double U type loop reactor, including double U type loop reactor constructs, support reinforcing mechanism, balanced positioning mechanism and hoisting point balance mechanism, double U type loop reactor constructs including elbow, straight shell of a section of thick bamboo shell ring and wide flange reinforcing beam respectively, straight shell of a section of thick bamboo shell ring is four groups, the elbow is three groups, three groups the elbow communicates each other with four groups elbow tops and bottoms, and is two sets of the bottom rigid coupling of straight shell of a section of thick bamboo shell ring has wide flange reinforcing beam.
Preferably, support strengthening mechanism includes sleeve pipe, linking arm, fixed station and rag bolt respectively, the sleeve pipe is two sets of, two sets of sleeve pipe and two sets of straight shell of a tube festival sliding fit, two sets of one side rigid coupling that the sleeve pipe kept away from each other has linking arm and fixed station, and is two sets of the bottom cover of fixed station is equipped with four groups of rag bolt.
Preferably, the balance positioning mechanism comprises a web plate, a first balance plate, a second balance plate and a fixed seat respectively, the web plate is fixedly connected to two ends of the wide-flange reinforcing beam, the web plate is fixedly connected to two groups of outer sides of the web plate, the first balance plate corresponds to the horizontal position of the wide-flange reinforcing beam, the fixed seat is sleeved on the outer side of the elbow, and the second balance plate corresponds to the first balance plate and the horizontal position of the wide-flange reinforcing beam is fixedly connected to the bottom of the fixed seat.
Preferably, hoisting point balance mechanism includes compensating beam, snap ring, pulley and lifting rope respectively, the bottom rigid coupling of compensating beam has the snap ring, the inboard cover of snap ring is equipped with the pulley, the lifting rope slides the adaptation with the pulley.
Preferably, flanges are arranged at the tops and the bottoms of the four groups of straight cylindrical shell sections and are fixedly connected with the elbows, and the four groups of straight cylindrical shell sections are communicated with the three groups of elbows.
Preferably, one side of each of the two groups of sleeves, which is close to each other, is provided with a positioning piece, and the tops of the two groups of fixed tables are fixedly connected with reinforcing ribs.
Compared with the prior art, the invention provides the double-U-shaped loop reactor, which has the following beneficial effects:
1. according to the invention, the modularized equipment assembly precision control technology, the modularized hoisting deformation prevention reinforcement technology and the modularized hoisting point balance technology are respectively formed by the mutual matching of the double-U-shaped loop pipe reaction mechanism, the balance positioning mechanism and the hoisting point balance mechanism, so that the equipment utilizes the balance positioning mechanism as a simple support, the equipment is ensured to be flat and solid, the integral alignment of the equipment is facilitated, the hoisting stability of the equipment is improved, laser leveling can be adopted during the assembly period to perform precision control, the assembly precision of the double-U-shaped loop pipe reactor is effectively ensured, the height of the equipment can be controlled by self weight during the hoisting period by the structural matching of the hoisting point balance mechanism, the height inconsistency of the hoisting points of the equipment is solved, and the equipment can be smoothly hoisted with better balance.
2. The invention uses four groups of straight cylinder sections as the main body structure of the double U-shaped reaction module, can make the equipment complete all team forming and welding work in a ground horizontal state, increases the quality and the working efficiency of equipment assembling and welding, can directly carry out integral hoisting, vertically and properly installed through a large hoisting machine after modular assembling, further improves the balance of equipment hoisting and the stability after hoisting by using the structural support and the reinforcement system of the support reinforcement mechanism and the balance positioning mechanism, can greatly reduce the construction difficulty of equipment assembling and improve the safety of a construction site due to no overhead operation, can effectively reduce the using amount of scaffolds required to be erected for hoisting operation and reduce the subsequent engineering amount of dismounting through the combination of the double U-shaped loop reactor structure, and has better rigidity after hoisting, the cable is not needed to be additionally used for fixing, so that the construction period is shortened, and the construction cost is greatly reduced.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a perspective view of a stationary platen of the present invention;
FIG. 4 is a front view of the hanging point balance mechanism of the present invention;
fig. 5 is a side view of the hanging point balance mechanism of the present invention.
In the figure: 1. a double U-shaped ring pipe reaction mechanism; 11. bending the pipe; 12. a straight cylindrical shell section; 13. a wide flange reinforcing beam; 2. a support reinforcement mechanism; 21. a sleeve; 22. a connecting arm; 23. a fixed table; 24. anchor bolts; 3. a balance positioning mechanism; 31. a web; 32. a first balance plate; 33. a second balance plate; 34. a fixed seat; 4. a hoisting point balancing mechanism; 41. a balance beam; 42. a snap ring; 43. a pulley; 44. a lifting rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the modular construction method of the double U-shaped loop reactor comprises the following steps:
step one; firstly, fixedly connecting and assembling four groups of straight cylindrical shell sections 12, three groups of elbows 11 and wide flange reinforcing beams 13 to form a double-U-shaped annular tube reactor system, wherein in order to ensure the assembling precision of equipment in the assembling process, the lower part of the bottom of the body can be in contact positioning with the ground through a balance positioning mechanism 3, so that the equipment is more flat and fixed and is prevented from deforming, in the assembling process, laser leveling equipment is adopted for precision control, and whether the equipment body is settled or not and whether the supporting legs are suspended or not need to be noticed;
step two; because the equipment is too slender, in order to prevent the equipment from deforming in the hoisting process, an eight-diagram-shaped reinforcing beam structure consisting of four wide flanges is added on the four surfaces in the middle of the equipment, the lower layer of a top hoisting point and the upper layer of a bottom hoisting point, and the support reinforcing mechanism 2 is used for auxiliary balance positioning, so that the consistency of a horizontal plane which is in contact with the ground after the equipment is hoisted can be ensured, the deformation of the equipment in the hoisting process can be inhibited, and the integral rigidity of the equipment can be improved through a double-U-shaped structure;
step three; after the equipment is completely assembled, a large crawler crane can be used as a main crane, a crawler with proper tonnage can be used as an auxiliary crane tail slipping alternatively, when the loop reactor is hoisted, because the heights of four hoisting points are inconsistent, in order to ensure the stable hoisting of the equipment, the four hoisting points of the equipment can be connected through the hoisting point balance mechanism 4, and lubricating oil is smeared outside the pulley 43, so that the hoisting points at the top of the equipment are kept balanced through dead weight in the hoisting process.
Double U-shaped loop reactor, including double U-shaped loop reactor 1, support reinforcing mechanism 2, balanced positioning mechanism 3 and hoisting point balance mechanism 4, double U-shaped loop reactor 1 includes elbow 11, straight section of thick bamboo shell ring 12 and wide flange reinforcing beam 13 respectively, and straight section of thick bamboo shell ring 12 is four groups, and elbow 11 is three groups, and three group's elbows 11 and four group's elbows 11 tops and bottoms communicate each other, and two groups of straight section of thick bamboo shell ring 12's bottom rigid coupling has wide flange reinforcing beam 13.
As a preferable embodiment of the present embodiment: the support reinforcing mechanism 2 comprises two sets of sleeves 21, two sets of connecting arms 22, two sets of fixing platforms 23 and four anchor bolts 24, the two sets of sleeves 21 are in sliding fit with the two sets of straight cylindrical shell sections 12, the connecting arms 22 and the fixing platforms 23 are fixedly connected to one sides, far away from each other, of the two sets of sleeves 21, and the four sets of anchor bolts 24 are sleeved at the bottoms of the two sets of fixing platforms 23.
As a preferable embodiment of the present embodiment: the balance positioning mechanism 3 comprises a web plate 31, a first balance plate 32, a second balance plate 33 and a fixing seat 34 respectively, the web plate 31 is fixedly connected to two ends of the wide flange reinforcing beam 13, the first balance plate 32 corresponding to the level of the wide flange reinforcing beam 13 is fixedly connected to the outer sides of the two groups of web plates 31, the fixing seat 34 is sleeved on the outer side of the group of elbows 11, and the second balance plate 33 corresponding to the level of the first balance plate 32 and the level of the wide flange reinforcing beam 13 is fixedly connected to the bottom of the fixing seat 34.
As a preferable embodiment of the present embodiment: the lifting point balance mechanism 4 comprises a balance beam 41, a clamping ring 42, a pulley 43 and a lifting rope 44 respectively, wherein the clamping ring 42 is fixedly connected to the bottom of the balance beam 41, the pulley 43 is sleeved on the inner side of the clamping ring 42, and the lifting rope 44 is in sliding fit with the pulley 43.
As a preferable embodiment of the present embodiment: flanges are arranged at the top and the bottom of the four groups of straight cylinder sections 12 and are fixedly connected with the elbows 11, the four groups of straight cylinder sections 12 are communicated with the three groups of elbows 11, and the four groups of straight cylinder sections 12 and the three groups of elbows 11 can be communicated and assembled through the flanges, so that the device can normally carry out reaction work.
As a preferable embodiment of the present embodiment: one side that two sets of sleeves 21 are close to each other is equipped with the setting element, and the top rigid coupling of two sets of fixed stations 23 has the strengthening rib, improves the atress intensity of fixed station 23, further increases the reinforcement effect of fixed station 23 and multiunit rag bolt 24.
Example 1, as shown in fig. 1-2, the structure may form a single integral double U-shaped loop reactor by the structures of three groups of elbows 11, four groups of straight cylindrical sections 12 and wide flange reinforcing beams 13, and may set up multiple groups of double U-shaped loop reactor devices according to the field requirements, and each group of devices is provided with the support reinforcing mechanism 2 and the balance positioning mechanism 3 as the reinforcing and balancing system for assistance, thereby ensuring that the field construction process of each group of devices is the same, and the device requirements and the work flow need not to be changed.
In embodiment 2, as shown in fig. 2, after the equipment is hoisted to be in a vertical position, the casing 21 can slide on the outer side of the straight cylindrical shell section 12 to descend, so that the casing 21 drives the connecting arm 22 and the fixing table 23 to descend, and the fixing table 23 drives the foundation bolts 24 to be inserted into the ground for pouring and fixing, so that the two side surfaces of the device can be reinforced, and the positioning effect and the balance of the device can be greatly improved.
The working principle is as follows: the device can form double U-shaped ring pipe reaction equipment through the structural combination of three groups of elbows 11, four groups of straight cylinder sections 12 and wide flange reinforcing beams 13, thereby improving the integral rigidity of the equipment, reducing the floor area, determining an assembly, reinforcement and hoisting scheme according to the field condition, completely combining the equipment in a horizontal state, then performing hoisting operation, firstly utilizing the erection and matching of a web plate 31, a first balance plate 32 and a second balance plate 33 with a fixed seat 34 during hoisting, providing a leveling effect for leveling and positioning below the device before and after hoisting, then dividing the equipment into four point positions through a large hoisting apparatus, two groups of snap rings 42, pulleys 43 and hoisting ropes 44 to be connected with the equipment at different height point positions, and automatically adjusting the adaptive height of the equipment during hoisting through the sliding fit of the hoisting ropes 44 on the pulleys 43 and the self weight of the equipment during the hoisting process, the balance of hoisting operation is maintained, and the equipment is vertically arranged after hoisting, so that the double-U-shaped loop reactor can be assembled with high precision and high quality.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The modular construction method of the double U-shaped loop reactor comprises the following steps:
step one; firstly, fixedly connecting and assembling four groups of straight cylindrical shell sections (12), three groups of elbows (11) and wide flange reinforcing beams (13) to form a double-U-shaped annular tube reactor system, wherein in the assembling process, in order to ensure the assembling precision of equipment, the lower part of the bottom of the body can be in contact positioning with the ground through a balance positioning mechanism (3), so that the equipment is more flat and fixed and is prevented from deforming;
step two; because the equipment is too slender, in order to prevent the equipment from deforming in the hoisting process, an eight-diagram-shaped reinforcing beam structure consisting of four wide flanges is added on the four surfaces in the middle of the equipment, the lower layer of a top hoisting point and the upper layer of a bottom hoisting point, and a support reinforcing mechanism (2) is used for auxiliary balance positioning, so that the horizontal plane of the equipment in contact with the ground after being hoisted is ensured to be consistent, the deformation of the equipment in the hoisting process is inhibited, and the integral rigidity of the equipment is improved through a double-U-shaped structure;
step three; after the equipment is completely assembled, a large crawler crane can be used as a main crane, a crawler with proper tonnage can be used as an auxiliary crane tail slide instead, when the loop reactor is hoisted, because the heights of four hoisting points are inconsistent, in order to ensure the stable hoisting of the equipment, the four hoisting points of the equipment can be connected through a hoisting point balance mechanism (4), and lubricating oil is smeared outside a pulley (43), so that the hoisting points at the top of the equipment are kept balanced through dead weight in the hoisting process.
2. The double U-shaped loop reactor for the modular construction method of the double U-shaped loop reactor according to claim 1, comprising a double U-shaped loop reactor mechanism (1), a support reinforcement mechanism (2), a balance positioning mechanism (3) and a hoisting point balance mechanism (4), wherein: double U type ring pipe reaction mechanism (1) includes elbow (11), straight section of thick bamboo shell festival (12) and wide flange reinforcing beam (13) respectively, straight section of thick bamboo shell festival (12) are four groups, elbow (11) are three groups, three groups elbow (11) and four group elbow (11) tops and bottom communicate each other, and are two sets of the bottom rigid coupling of straight section of thick bamboo shell festival (12) has wide flange reinforcing beam (13).
3. The double U-shaped loop reactor of claim 2, wherein: support strengthening mechanism (2) are including sleeve pipe (21), linking arm (22), fixed station (23) and rag bolt (24) respectively, sleeve pipe (21) are two sets of, two sets of sleeve pipe (21) and two sets of straight section of thick bamboo shell ring (12) sliding fit, and are two sets of one side rigid coupling that sleeve pipe (21) kept away from each other has linking arm (22) and fixed station (23), and is two sets of the bottom cover of fixed station (23) is equipped with four groups of rag bolt (24).
4. The double U-shaped loop reactor of claim 2, wherein: balanced positioning mechanism (3) include web (31), first balance plate (32), second balance plate (33) and fixing base (34) respectively, the both ends rigid coupling of wide flange reinforcing beam (13) has web (31), and is two sets of the outside rigid coupling of web (31) has first balance plate (32) that correspond with wide flange reinforcing beam (13) level, and is a set of the outside cover of elbow (11) is equipped with fixing base (34), the bottom rigid coupling of fixing base (34) has second balance plate (33) that correspond with first balance plate (32) and wide flange reinforcing beam (13) level.
5. The double U-shaped loop reactor of claim 2, wherein: hoisting point balance mechanism (4) include compensating beam (41), snap ring (42), pulley (43) and lifting rope (44) respectively, the bottom rigid coupling of compensating beam (41) has snap ring (42), the inboard cover of snap ring (42) is equipped with pulley (43), lifting rope (44) and pulley (43) slip adaptation.
6. The double U-shaped loop reactor of claim 2, wherein: flanges are arranged at the top and the bottom of the four groups of straight cylinder sections (12) and are fixedly connected with the elbows (11), and the four groups of straight cylinder sections (12) are communicated with the three groups of elbows (11).
7. A double U-shaped loop reactor according to claim 3, characterized in that: one side of the two sets of sleeves (21) close to each other is provided with a positioning piece, and the tops of the two sets of fixed tables (23) are fixedly connected with reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186471.2A CN113914633B (en) | 2021-10-12 | 2021-10-12 | Modular construction method of double-U-shaped annular pipe reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186471.2A CN113914633B (en) | 2021-10-12 | 2021-10-12 | Modular construction method of double-U-shaped annular pipe reactor |
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| CN113914633A true CN113914633A (en) | 2022-01-11 |
| CN113914633B CN113914633B (en) | 2023-04-14 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010925A (en) * | 2012-12-27 | 2013-04-03 | 陕西化建工程有限责任公司 | Bundling and hoisting method of loop reactor |
| CN209583389U (en) * | 2019-03-08 | 2019-11-05 | 山东齐鲁石化建设有限公司 | Adjustable balancing hanging apparatus |
| CN111891894A (en) * | 2020-09-01 | 2020-11-06 | 中国化学工程第三建设有限公司 | Hoisting device and hoisting method for slender ratio flexible equipment |
-
2021
- 2021-10-12 CN CN202111186471.2A patent/CN113914633B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010925A (en) * | 2012-12-27 | 2013-04-03 | 陕西化建工程有限责任公司 | Bundling and hoisting method of loop reactor |
| CN209583389U (en) * | 2019-03-08 | 2019-11-05 | 山东齐鲁石化建设有限公司 | Adjustable balancing hanging apparatus |
| CN111891894A (en) * | 2020-09-01 | 2020-11-06 | 中国化学工程第三建设有限公司 | Hoisting device and hoisting method for slender ratio flexible equipment |
Non-Patent Citations (4)
| Title |
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| 张建军: "环管反应器的吊装", 《石油化工建设》 * |
| 江坚平: "国内最大环管式反应器吊装方案的优化", 《石油工程建设》 * |
| 贾林虎: "环管反应器吊装用吊耳及平衡梁设计技术的应用", 《中国石油石化》 * |
| 陈积强: "环管反应器拼接吊装技术", 《安装》 * |
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