WO2018120091A1 - 一种撬装式冷箱及其预制结构和装配方法 - Google Patents

一种撬装式冷箱及其预制结构和装配方法 Download PDF

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Publication number
WO2018120091A1
WO2018120091A1 PCT/CN2016/113663 CN2016113663W WO2018120091A1 WO 2018120091 A1 WO2018120091 A1 WO 2018120091A1 CN 2016113663 W CN2016113663 W CN 2016113663W WO 2018120091 A1 WO2018120091 A1 WO 2018120091A1
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WO
WIPO (PCT)
Prior art keywords
panel
frame
prefabricated
ring beam
cold box
Prior art date
Application number
PCT/CN2016/113663
Other languages
English (en)
French (fr)
Inventor
高晨曦
库尔茨黑米
布里格利亚阿兰
丁佳
Original Assignee
乔治洛德方法研究和开发液化空气有限公司
高晨曦
库尔茨黑米
布里格利亚阿兰
丁佳
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 乔治洛德方法研究和开发液化空气有限公司, 高晨曦, 库尔茨黑米, 布里格利亚阿兰, 丁佳 filed Critical 乔治洛德方法研究和开发液化空气有限公司
Priority to AU2016434623A priority Critical patent/AU2016434623B2/en
Priority to PCT/CN2016/113663 priority patent/WO2018120091A1/zh
Priority to EP16925282.2A priority patent/EP3564608A4/en
Priority to CN201680091519.2A priority patent/CN110088547B/zh
Priority to US16/474,121 priority patent/US11079177B2/en
Publication of WO2018120091A1 publication Critical patent/WO2018120091A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04945—Details of internal structure; insulation and housing of the cold box
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/0088—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D71/0092—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck provided with one or more rigid supports, at least one dimension of the supports corresponding to a dimension of the load, e.g. skids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B65D90/16—Skids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
    • E04B1/34815—Elements not integrated in a skeleton
    • E04B1/3483—Elements not integrated in a skeleton the supporting structure consisting of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal
    • 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
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/10—Buildings forming part of cooling plants
    • 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
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/10—Buildings forming part of cooling plants
    • E04H5/12—Cooling towers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0295—Start-up or control of the process; Details of the apparatus used, e.g. sieve plates, packings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2418—Details of bolting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/42—Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit, e.g. of the cold box

Definitions

  • the present invention relates to the assembly technology of cold boxes, and more particularly to a skid-mounted cold box and its prefabricated structure and assembly method.
  • a cold box is one of the core devices of an air separation unit, and includes a tank that can be insulated and kept cold, and a tower and a pipe, a valve, and the like connected thereto are disposed inside the tank.
  • the cold box it is divided into a skid-mounted cold box and a field-assembled cold box:
  • the on-site assembled cold box needs to be assembled on site, the workload is large and the assembly quality is easily affected by the construction environment;
  • most of the assembly work of the skid-mounted cold box is done in an environmentally controlled factory floor, ensuring product quality and shortening the assembly cycle.
  • the two types of cold boxes are basically the same material and specification design.
  • the box mainly comprises a steel structure frame composed of the columns 100, the beam 200, the bracing 300 and the inter-beam support 400. And a panel covering the enclosure around the steel frame.
  • the two sections of the steel structure frame and their corresponding first panels are usually assembled separately in the factory, and the obtained upper and lower sections of the prefabricated structure are transported to a predetermined location for on-site assembly: Prefabricated structures in the lower section After the installation is in place, the crane enters the field, and the upper prefabricated structure is lifted to the designated position to interface with the lower prefabricated structure; the splice node 101 of the upper and lower sections 100 is completely melted and welded, and the splice weld is non-destructively tested.
  • the spliced column 100 can vertically penetrate the cold box to transmit the shear force and bending moment generated by the upper part of the cold box; then connect the second panel to the column 100 and the beam 200 near the two-stage prefabricated structure splicing position, The splicing joint of the second panel is sealed by welding; after all the welding work on the site is completed, the crane exits.
  • the assembly scheme of the existing armored cold box can control the manufacturing and assembly quality of each part of the prefabricated structure and reduce the difficulty of transportation and lifting, but the following problems still exist: Usually, it is necessary to invest more measures and operation time: If the column needs to be installed in the vertical position, the weld must be tested by non-destructive testing, and the required time and cost are high. The quality of the weld is also difficult to guarantee due to factors such as working at heights. The crane cannot be removed during the welding work In the installation of a single cold box, the long time occupied by large machinery such as cranes will result in low efficiency of use and significantly increase the cost of use.
  • the present invention provides a skid-mounted cold box and a prefabricated structure and assembly method thereof, aiming at reducing the site on the premise of not affecting the connection strength and airtightness of the cold box. Assembly work to save on the daytime and cost of on-site construction.
  • the technical solution of the present invention is to provide a prefabricated structure for a spliced armoured cold box, characterized in that it comprises a frame, and the frame is provided with a plurality of columns vertically penetrating the frame. a plurality of first panels attached to an outer side of the frame, the plurality of first panels forming a complete closure of the outer side of the frame and its uprights;
  • a similar type of ring beam of another prefabricated structure can be connected by bolts in the assembly raft;
  • the part of the frame structure and the first panel is provided with a mounting hole of a bolt to connect the second panel by bolts in the assembly, and the adjacent side of the first panel is adjacent to the second panel.
  • the gap formed at the two ring beams after the prefabricated structure is spliced is completely closed.
  • the longitudinal section of the ring beam is an I-shaped shape, and has a vertical beam and mutually parallel joint surfaces and non-splicing surfaces fixed on the vertical beam;
  • the longitudinal section of the frame structure is L-shaped, Having a first surface and a second surface that are perpendicular to each other;
  • the first surface is fixedly connected to an inner side of the edge of the first panel, and a mounting hole of the bolt is disposed at the joint to fix the second panel to the outer side of the first panel by the bolt;
  • the second surface is fixedly coupled to the non-splicing surface of the ring beam and extends toward the inside of the frame.
  • a coupling plate is disposed on an outer side surface of the position corresponding to the column beam and the column, and the coupling plate extends from the joint surface of the ring beam to the non-splicing surface, so that the assembled second panel can Cover the coupling plate of the ring beam after the stitching is completed.
  • a mounting hole of the first bolt and the second bolt is respectively disposed on the joint surface of the ring beam;
  • the mounting hole of the first bolt is located at a position corresponding to the column on the joint surface of the ring beam, and the mounting hole of the second bolt is located at other positions on the joint surface of the ring beam; the spacing of the mounting holes of the first bolt is smaller than The spacing of the mounting holes of the second bolt.
  • the framework further includes:
  • a plurality of diagonal braces one end of each bracing is connected with a middle portion of the corresponding inter-beam support, and the other end is connected to a connection portion of the corresponding column and the beam or the ring beam.
  • Another technical solution of the present invention is to provide a skid-mounted cold box having two or more prefabricated structures connected by bolts in the field;
  • any one of the prefabricated structures comprising: a frame, the frame is provided with a plurality of columns vertically penetrating the frame, a plurality of first panels connected to the outer side of the frame, and the plurality of first panels constitute the frame And the outer side of the column is completely closed;
  • the part of the frame structure and the first panel is provided with a mounting hole of a bolt to connect the second panel by bolts in the assembly, and the adjacent side of the first panel is adjacent to the second panel.
  • the gap formed at the two ring beams after the prefabricated structure is spliced is completely closed.
  • the longitudinal section of the ring beam is an I-shaped shape, and has a vertical beam and mutually parallel joint faces and non-splicing faces fixed on the vertical beam;
  • the longitudinal section of the frame structure is L-shaped and has mutually perpendicular First surface and second surface
  • the first surface is fixedly connected to the inner side of the edge of the first panel, and a mounting hole of the bolt is disposed at the joint to fix the second panel to the outer side of the first panel by the bolt;
  • the second surface is fixedly coupled to the non-splicing surface of the ring beam and extends toward the inside of the frame.
  • the outer sides of the positions of the respective ring beams and the columns are coupled
  • the plate extends from the joint surface of the ring beam to the non-splicing surface, so that the assembled second panel can cover the outside of the joint plates of the two adjacent prefabricated structures after the stitching is completed.
  • a gasket made of a neoprene material is disposed between the second panel and the first panel.
  • the bolts connecting the ring beams in the adjacent two prefabricated structures are friction type high-strength bolts; the spacing of the bolts on the joint surface of any one of the ring beams and the corresponding positions of the column is smaller than the joint surface of the ring beam; The spacing of the bolts in other locations.
  • the framework of any one of the prefabricated structures further includes:
  • a plurality of beams are spaced between adjacent columns, and two ends of each beam are connected to the corresponding columns;
  • a plurality of inter-beam supports parallel to the beams, disposed between adjacent beams, and support between the beams Connected to the corresponding column at both ends;
  • a plurality of diagonal braces one end of each bracing is connected with a middle portion of the corresponding inter-beam support, and the other end is connected to a connection portion of the corresponding column and the beam or the ring beam.
  • Yet another technical solution of the present invention is to provide a method for assembling the above-described armored cold box, which comprises the following processes:
  • the second panel is bolted to the outer side of the first panel of the upper and lower sections of the prefabricated structure, and the gap formed at the ring beam of the upper and lower sections of the prefabricated structure after the splicing is completed is completely closed by the second panel.
  • the armored cold box of the present invention and the prefabricated structure and assembling method thereof have the advantages that: the invention can cancel all the on-site welds, and no longer need to be spliced on the field. Or the panel is welded on site to avoid non-destructive testing of the column, thereby reducing on-site assembly work and saving the time and facilities costs associated with construction inspection. [0039]
  • the armoured cold box of the present invention ensures the strength of the frame splicing by bolting the ring beams between adjacent prefabricated structures in the field.
  • the crane can be taken out of operation, which greatly saves the time and measures required for on-site assembly.
  • the frame and the first panel of the prefabricated structure are manufactured and assembled in a high quality in the factory floor, and the first panel has a good airtight effect on the closure of each frame and its column.
  • the second panel is bolted, and the slit formed at the two ring beams after the splicing of the adjacent prefabricated structure is covered from the outer side of the first panel; and in the second panel and the first panel A gasket is arranged between the contact faces to ensure the airtightness of the cold box closure.
  • FIG. 1 is a schematic view of a steel structure frame of a cold box in the prior art
  • FIG. 2 is a schematic structural view of a cold box splicing position in the prior art
  • FIG. 3 is a side view of a spliced prefabricated structural frame in the skid-mounted cold box of the present invention
  • FIG. 4 is a schematic view of the second panel connected to the armored cold box of the present invention.
  • FIG. 5 is a schematic view showing the connection of the panel and the ring beam at the longitudinal section A-A shown in FIG. 4;
  • FIG. 6 is a schematic view of a joint surface of a ring beam in the present invention.
  • the present invention provides a skid-mounted cold box and a prefabricated structure and assembly method thereof, which can eliminate all on-site welding operations on the splice node, and prefabricate the adjacent prefabricated in the armored cold box by means of bolt connection at the site.
  • the structure is reliably connected.
  • the description will be made by taking the upper and lower two-stage prefabricated structures as an example.
  • the present invention is not limited to the other examples, and the number of the cold box prefabricated structures is designed to be two or more stages as needed.
  • any prefabricated structure of the skid-mounted cold box of the present invention comprises a column 20, a beam, a bracing, an inter-beam support, a ring beam 30 and the like.
  • Steel structure frame, and covering A plurality of first panels 51 are completely enclosed on the outer sides of the frame and its uprights 20 on the respective outer sides of the frame.
  • each frame of the prefabricated structure has four vertical columns 20 extending through the frame, and adjacent columns 20 are spaced apart from each other by a plurality of beams, and the ends of the beams are connected to corresponding ones.
  • Column 20; parallel to the beam, between the adjacent beams is provided with inter-beam support, so that the two ends of the beam support are connected to the corresponding column 20; one end of each bracing is connected with the middle of the beam support to form a m-shaped structure
  • the other ends of the diagonal braces are respectively connected to the joints of the corresponding columns 20 and the beam or ring beam 30.
  • the ring beams 30 are respectively located at the splicing ends of the prefabricated structures, and the bottom ends of the prefabricated structures 11 and the top ends of the lower prefabricated structures 12 are as described above.
  • a ring of steel frame structure 70 is disposed at the splicing end of each prefabricated structure, and the frame structure 70 is fixed to the inner side of the first panel 51 of the frame, and surrounds the outer side of each of the columns 20, the ring beam 30 It is fixedly attached to the frame structure 70 and forms a continuous unit.
  • the direction of the splicing end of each segment of the prefabricated structure is different, so the splicing surface of the ring beam 30 is its bottom or top surface, and the top or bottom surface of the ring beam 30 opposite to the splicing surface is referred to as a non-splicing surface.
  • a corresponding mounting hole is formed on the joint surface of each ring beam 30 for the field assembly, and the first bolt 41 and the second bolt 42 are respectively installed to phase the phase.
  • the ring beam 30 of the adjacent prefabricated structure is connected; wherein the first bolt 41 is mounted on a position corresponding to the column 20 on the joint surface of the ring beam 30 (such as each corner), and the second bolt 42 is mounted on the joint surface of the ring beam 30 Other positions; the pitch of the first bolts 41 is smaller than the pitch of the second bolts 42.
  • a coupling plate 80 is further disposed on the outer side surface of the ring beam 30 corresponding to each of the pillars 20, and each of the coupling plates 80 extends from the joint surface of the ring beam 30 to the non-splicing surface; the joint plates of two adjacent prefabricated structures 80 may come into contact with each other after assembly, but they do not need to be fixed by welding or bolting.
  • each side of the frame of the prefabricated structure is also closed by a plurality of first panels 51 connected to components such as beams and columns.
  • the splicing joint of the first panel 51 may be sealed to ensure airtightness.
  • the longitudinal section AA shown in FIG. 5 is an example, the longitudinal section of either side of the ring beam 30 is an I-shaped type, and vertical beams are arranged to fix the parallel and non-splicing faces which are parallel to each other; on either side of the frame structure 70
  • the longitudinal section is L-shaped and has a first surface and a second surface that are perpendicular to each other.
  • the first surface of the frame structure 70 is welded to the inner side of the edge of the first panel 51, the second surface of the frame structure 70 is welded to the non-splicing surface of the ring beam 30, and extends to the inner side of the frame; and the frame structure 70 The first surface is substantially aligned with the outer edge of the non-spliced surface.
  • Reference numeral B denotes that the frame structure 70 is connected to the first panel 51 and the ring beam 30 by welding.
  • Each of the first panels 51 preferably completely covers the first surface of the respective frame structure 70.
  • a mounting hole penetrating through the first surface of the frame structure 70 and the first panel 51 is provided for mounting a third bolt 43 for connecting the second panel 52.
  • the field assembly is placed between the second panel 52 and the first panel 51, and a gasket 60 made of neoprene material is disposed.
  • the second panel 52 can cover the outside of the coupling plate 80 (Fig. 6) of the two ring beams 30 after the field stitching is completed.
  • the two ring beams 30 are fixedly connected by a first bolt 41 and a second bolt 42 mounted on the joint surface.
  • connection of the above-mentioned components of each prefabricated structure is completed in the factory workshop according to the design requirements by welding or bolting, and the necessary quality inspection can be performed on the finished product.
  • the cross section of the frame is other shapes, such as hexagons, the number of various components such as beams, columns, and the like can be increased accordingly, and will not be repeated.
  • the upper and lower two prefabricated structures 11, 12 are respectively transported to a predetermined place on the site; after the lower prefabricated structure 12 is installed in position, the crane enters the field to hoist the upper prefabricated structure 11 to make the upper and lower sections prefabricated.
  • the stitching faces of the ring beams 30 of the structures 11 and 12 are aligned and contacted; after the first bolts 41 are mounted on the stitching surface of the ring beam 30 corresponding to the positions of the respective columns 20 and tightened, the crane can exit (may not choose to exit);
  • the second bolt 42 is attached to the other position of the joint surface of the ring beam 30 and tightened.
  • the frames of adjacent prefabricated structures i.e., the ring beams 30 that are connected by bolts, are reliably joined together.
  • the ring beam 30 is made of a carbon steel material.
  • the first bolt 41 and the second bolt 42 for connecting the ring beam 30 are friction type high-strength bolts to ensure that no relative displacement between the prefabricated structures is generated under the wind load, and the shear force generated by the upper prefabricated structure 11 and The bending moment can be transmitted to the lower prefabricated structure 12 through the interaction of the column 20 and the ring beam 30, further increasing the structural rigidity of the frame.
  • each second panel 52 is fixedly connected to the two prefabricated structures through the third bolts 43 respectively, and the second panel 52 is connected to the outside of the first panel 51.
  • the gap formed at the two ring beams 30 after the splicing of the upper and lower two prefabricated structures 11, 12 is completely closed by the second panel 52 from the side. .
  • a gasket 60 is disposed between the second panel 52 and the first panel 51, and the gasket 60 is made of a neoprene material.
  • the edges of the coupling plates 80 of the two ring beams 30 are adjacent or in contact with each other, and the second panel 52 directly covers the outside of the two coupling plates 80, and the two coupling plates are The gap between the edges of the 80 (corresponding to the gap between the two ring beams 30 corresponding to the position of the column 20) is closed. At this point, the splicing assembly of the prefabricated structure of the skid-mounted cold box is completed in the field.
  • components such as columns, beams, braces, and inter-beam supports can be dimensioned according to conventional requirements; I-beams on either side of the ring beam 30, splicing faces
  • the width of the non-splicing surface is equal to the height of the vertical beam, and the height is 350 to 400 mm, preferably 350 mm.
  • the upper and lower two prefabricated structures 11, 12 are respectively provided with a ring beam 30, and the height of the entire cold box after assembly is changed little. Referring to FIG.
  • the first bolts 41 located on the joint surface of each ring beam 30 at a position corresponding to the column 20 are densely arranged.
  • 16 first bolts 41 are installed at the corners of the ring beam 30; 20
  • the spacing of the second bolts 42 at other positions on the splicing surface (200 to 300 mm in this example) is greater than the spacing of the first bolts 41 at the corner positions.
  • the second panel 52 is connected to each side of the frame.
  • the height of the upper and lower ring beams 30 is smaller than the height of the second panel 52, so that the top and bottom edges of the connected second panel 52 can be respectively located. Below the non-splicing surface of the upper ring beam 30 and below the non-splicing surface of the lower ring beam 30, the splicing joints of the beam and column are avoided to ensure better airtightness.
  • the invention can effectively avoid the operation of on-site welding of the steel structure and the non-destructive inspection of the steel structure, and save the related expenses.
  • bolts are used for splicing, and once the upper prefabricated structure of the armored cold box is in place and the bolts on the ring beam corresponding to the position of the column are fastened, the crane can be taken out of work; the invention is ensured by the bolt connection between the ring beams. Sufficient strength to maximize on-site day and cost.
  • the invention also has a bolted second panel covering the slit formed at the two ring beams after the splicing, and a gasket is arranged between the second panel and the contact surface of the first panel to ensure the airtightness of the sheathed cold box is closed. Sex.

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  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
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Abstract

一种撬装式冷箱及其预制结构和装配方法，预制结构包括框架及对框架侧面封闭的第一面板（51），相邻两个预制结构的圈梁（30）在现场通过螺栓连接，通过螺栓连接的第二面板（52），从侧面对相邻两个预制结构的圈梁（30）之间的缝隙进行封闭。该预制结构能省去所有现场的焊接以及无损探伤检测的操作。其依靠圈梁间的螺栓连接，确保钢结构框架的连接强度，通过螺栓连接的第二面板保证冷箱封闭的气密性，能有效地减少现场装配工作。

Description

一种撬装式冷箱及其预制结构和装配方法 技术领域
[0001] 本发明涉及冷箱的装配技术， 特别涉及一种撬装式冷箱及其预制结构和装配方 法。
背景技术
[0002] 冷箱是空分装置的核心设备之一， 其包含能绝热保冷的箱体， 在箱体内部设置 有塔器及与之连接的管道、 阀门等。 目前， 按照冷箱的装配形式不同， 分为撬 装式冷箱和现场拼装式冷箱： 现场拼装式冷箱需要在现场进行部件组装， 工作 量大且组装质量易受施工环境的影响； 与之相比， 撬装式冷箱的大部分组装工 作在环境受控的工厂车间内完成， 可以保证产品质量， 缩短装配周期。 两种冷 箱使用基本相同的材料、 规范设计完成， 如图 1、 图 2所示， 箱体主要包含由立 柱 100、 横梁 200、 斜撑 300和梁间支撑 400等部件连接构成的钢结构框架， 以及 覆盖在钢结构框架四周对箱体进行封闭的面板。
[0003] 对于撬装式冷箱， 通常在工厂内对两段钢结构框架及其相应的第一面板分别组 装， 将得到的上下两段预制结构运输至预定地点进行现场装配： 在下段预制结 构安装就位后， 吊车进场， 将上段预制结构升吊至指定位置来与下段预制结构 对接； 对上下两段立柱 100的拼接节点 101采用完全融透焊， 并且对拼接焊缝进 行无损检测， 以确保拼接后的立柱 100能够垂直贯穿冷箱， 来传递由冷箱上部产 生的剪力和弯矩； 再将第二面板连接至两段预制结构拼接位置附近的立柱 100及 横梁 200上， 对第二面板的拼接节点采用密封焊； 在现场所有焊接工作完毕后， 吊车退场。
[0004] 这种现有撬装式冷箱的装配方案， 虽然可以控制各段预制结构自身部件的制造 及装配质量， 降低运输及吊装吋的难度， 但仍存在以下问题： 现场的焊接操作 ， 通常需要投入更多的措施费和作业吋间： 如立柱需在垂直安装就位后才能施 焊， 完全融透焊的焊缝必须经过无损探伤检测， 所需的吋间长、 费用高； 考虑 到高空作业等因素， 焊缝质量也难以保证。 在焊接工作期间， 吊车无法退出工 作； 在安装单个冷箱吋对吊车等大型机械占用的吋间过长， 将导致其流转使用 效率低， 显著增加使用成本。
技术问题
问题的解决方案
技术解决方案
[0005] 为解决现有技术存在的问题， 本发明提供一种撬装式冷箱及其预制结构和装配 方法， 旨在不影响冷箱的连接强度及气密性的前提下， 尽量减少现场装配工作 ， 以节约现场施工的吋间和费用。
[0006] 为了达到上述目的， 本发明的技术方案是提供一种可供拼接的撬装式冷箱的预 制结构， 其特征在于， 包含框架， 所述框架设置有垂直贯穿该框架的多个立柱 ， 连接在所述框架外侧面的若干第一面板， 所述若干第一面板构成对该框架及 其立柱的外侧面的完全封闭；
[0007] 固定在所述预制结构拼接端的第一面板边缘内侧的一个框体结构； 所述框体结 构处固定有圈梁， 所述圈梁幵设有螺栓的安装孔， 以使该圈梁与待拼接的另一 预制结构的同类圈梁能在装配吋通过螺栓连接；
[0008] 所述框体结构和第一面板连接的部分幵设有螺栓的安装孔， 以在装配吋通过螺 栓连接第二面板， 通过所述第二面板在第一面板的外侧面对相邻预制结构拼接 完成后两个圈梁处形成的缝隙进行完全封闭。
[0009] 可选地， 所述圈梁的纵截面为工字型， 具有竖梁和固定在竖梁上的相互平行的 拼接面和非拼接面； 所述框架结构的纵截面为 L型， 具有相互垂直的第一表面和 第二表面；
[0010] 所述第一表面与第一面板边缘的内侧固定连接， 并在该连接处幵设有螺栓的安 装孔， 以通过所述螺栓将所述第二面板固定在第一面板外侧； 所述第二表面与 圈梁的非拼接面固定连接， 并向框架的内侧延伸。
[0011] 可选地， 所述圈梁与立柱对应的位置的外侧面上设有联结板， 所述联结板从所 述圈梁的拼接面延伸到非拼接面， 使装配的第二面板能覆盖在拼接完成后的圈 梁的联结板上。
[0012] 可选地， 所述圈梁的拼接面上分别幵设有第一螺栓和第二螺栓的安装孔； 所述 第一螺栓的安装孔位于圈梁的拼接面上与立柱对应的位置， 所述第二螺栓的安 装孔位于圈梁的拼接面上其他位置； 所述第一螺栓的安装孔的间距， 小于所述 第二螺栓的安装孔的间距。
[0013] 可选地， 所述框架进一步包含：
[0014] 若干横梁， 间隔布置在相邻立柱之间， 各横梁的两端连接至相应的立柱； [0015] 若干梁间支撑， 与横梁平行、 在相邻横梁之间设置， 各梁间支撑两端连接至相 应的立柱；
[0016] 若干斜撑， 各斜撑的一端与相应梁间支撑的中部连接， 另一端连接至相应立柱 与横梁或圈梁的连接部位。
[0017] 本发明的另一个技术方案是提供一种撬装式冷箱， 所述撬装式冷箱具有两个或 两个以上在现场通过螺栓连接的预制结构；
[0018] 其中任意一个预制结构， 包含： 框架， 所述框架设置有垂直贯穿该框架的多个 立柱， 连接在所述框架外侧面的若干第一面板， 所述若干第一面板构成对该框 架及其立柱的外侧面的完全封闭；
[0019] 固定在所述预制结构拼接端的第一面板边缘内侧的一个框体结构； 所述框体结 构处固定有圈梁； 所述圈梁幵设有螺栓的安装孔， 以使该圈梁与待拼接的另一 预制结构的同类圈梁能在装配吋通过螺栓连接；
[0020] 所述框体结构和第一面板连接的部分幵设有螺栓的安装孔， 以在装配吋通过螺 栓连接第二面板， 通过所述第二面板在第一面板的外侧面对相邻预制结构拼接 完成后两个圈梁处形成的缝隙进行完全封闭。
[0021] 可选地， 各预制结构中，
[0022] 所述圈梁的纵截面为工字型， 具有竖梁和固定在竖梁上的相互平行的拼接面和 非拼接面； 所述框架结构的纵截面为 L型， 具有相互垂直的第一表面和第二表面
[0023] 所述第一表面与第一面板边缘的内侧固定连接， 并在连接处幵设有螺栓的安装 孔， 以通过所述螺栓将所述第二面板固定在第一面板外侧； 所述第二表面与圈 梁的非拼接面固定连接， 并向框架的内侧延伸。
[0024] 可选地， 在相邻两个预制结构上， 各圈梁与立柱对应的位置的外侧面设有联结 板， 所述联结板从所在圈梁的拼接面延伸到非拼接面， 使装配的第二面板能覆 盖在拼接完成后相邻两个预制结构的联结板外侧。
[0025] 可选地， 所述第二面板与第一面板之间， 设有氯丁橡胶材料制成的垫圈。
[0026] 可选地， 相邻两个预制结构中连接圈梁的螺栓为摩擦型高强螺栓； 任意一个圈 梁的拼接面上与立柱对应位置的螺栓的间距， 小于该圈梁的拼接面上其他位置 的螺栓的间距。
[0027] 可选地， 任意一个预制结构的框架， 进一步包含：
[0028] 若干横梁， 间隔布置在相邻立柱之间， 各横梁的两端连接至相应的立柱； [0029] 若干梁间支撑， 与横梁平行、 在相邻横梁之间设置， 各梁间支撑两端连接至相 应的立柱；
[0030] 若干斜撑， 各斜撑的一端与相应梁间支撑的中部连接， 另一端连接至相应立柱 与横梁或圈梁的连接部位。
[0031] 本发明的又一个技术方案是提供一种上述撬装式冷箱的装配方法， 包含以下过 程：
[0032] 将撬装式冷箱的上下两段预制结构， 分别运输至预定地点；
[0033] 对下段预制结构安装就位；
[0034] 吊车进场， 对上段预制结构进行吊装， 使上下两段预制结构的圈梁的拼接面对 准并接触；
[0035] 对圈梁的拼接面上与立柱对应的位置安装螺栓并进行紧固后， 选择性的， 吊车 退场；
[0036] 对圈梁的拼接面上其他位置安装螺栓并进行紧固， 完成上下两段预制结构的框 架连接；
[0037] 将第二面板通过螺栓连接至上下两段预制结构的第一面板外侧， 通过所述第二 面板对拼接完成后上下两段预制结构的圈梁处形成的缝隙进行完全封闭。
[0038] 与现有技术相比， 本发明所述撬装式冷箱及其预制结构和装配方法， 其优点在 于： 本发明可以将所有现场焊缝取消， 不再需要在现场拼接吋对立柱或面板进 行现场焊接， 避免对立柱进行无损探伤检测， 从而减少现场装配工作， 节省相 关施工检测的吋间和设施费。 [0039] 本发明的撬装式冷箱， 通过现场对相邻预制结构之间圈梁的螺栓连接来确保其 框架拼接的强度。 一旦上下两段预制结构的圈梁对准， 并将拼接面上对应于立 柱位置的螺栓紧固连接后， 吊车即可退出工作， 最大程度节约了现场装配所需 的吋间和措施费。
[0040] 本发明中预制结构的框架和第一面板在工厂车间内制造及装配的质量高， 第一 面板对各段框架及其立柱封闭的气密效果好。 在现场装配吋， 再将第二面板通 过螺栓连接， 对相邻预制结构拼接后两个圈梁处形成的细缝从第一面板的外侧 面进行覆盖； 并在第二面板与第一面板的接触面之间设置垫圈， 有效保证对冷 箱封闭的气密性。
发明的有益效果
对附图的简要说明
附图说明
[0041] 图 1是现有技术中冷箱的钢结构框架的示意图；
[0042] 图 2是现有技术中冷箱拼接位置的结构示意图；
[0043] 图 3是本发明所述撬装式冷箱中拼接预制结构框架的侧视图；
[0044] 图 4是本发明所述撬装式冷箱中连接第二面板的示意图；
[0045] 图 5是图 4所示纵截面 A-A处面板及圈梁连接的示意图；
[0046] 图 6是本发明中圈梁的拼接面的示意图。
本发明的实施方式
[0047] 以下结合图 3~图6对本发明的具体实施方式进行说明。
[0048] 本发明提供一种撬装式冷箱及其预制结构和装配方法， 可以取消对拼接节点的 所有现场焊接操作， 在现场通过螺栓连接的方式将撬装式冷箱中相邻的预制结 构进行可靠连接。 下文以划分为上下两段预制结构为例进行说明， 然而本发明 并不限制在其他示例中， 按实际需要将冷箱预制结构的数量设计为两段以上。
[0049] 如图 3、 图 4所示， 本发明所述撬装式冷箱的任意一段预制结构中， 包含由立柱 20、 横梁、 斜撑、 梁间支撑、 圈梁 30等部件连接构成的钢结构的框架， 及覆盖 在框架的各个外侧面对框架及其立柱 20的外侧面进行完全封闭的若干个第一面 板 51。
[0050] 横截面为方形的冷箱中， 各段预制结构的框架具有四个垂直贯穿框架的立柱 20 ， 相邻的立柱 20之间间隔设置有多个横梁， 各横梁两端连接至对应的立柱 20; 与横梁平行的、 在相邻横梁之间设置有梁间支撑， 使梁间支撑两端连接至对应 的立柱 20; 各斜撑的一端与梁间支撑的中部连接形成米字型结构； 各斜撑的另 一端分别连接至相应立柱 20与横梁或圈梁 30的连接部位。
[0051] 所述圈梁 30分别位于各预制结构的拼接端， 如上段预制结构 11的底端、 下段预 制结构 12的顶端。 在各预制结构的拼接端设置一圈钢制的框体结构 70， 使所述 框体结构 70固定在框架的第一面板 51的内侧， 且围绕在各立柱 20的外侧， 所述 圈梁 30固定连接在所述框体结构 70处， 并形成一个连续的整体。 各段预制结构 的拼接端的方向不同， 所以圈梁 30的拼接面为其底面或顶面， 而将与拼接面相 对的圈梁 30的顶面或底面称为非拼接面。
[0052] 配合参见图 3、 图 6所示， 在各圈梁 30的拼接面上幵设有相应的安装孔， 用于现 场装配吋分别安装第一螺栓 41和第二螺栓 42， 来将相邻预制结构的圈梁 30进行 连接； 其中， 第一螺栓 41安装于所在圈梁 30拼接面上与立柱 20对应的位置 （如 各个角落） ， 第二螺栓 42安装于所在圈梁 30拼接面上的其他位置； 第一螺栓 41 的间距小于第二螺栓 42的间距。
[0053] 在圈梁 30对应各立柱 20的位置的外侧面还设置有联结板 80， 各联结板 80从所在 圈梁 30的拼接面延伸到非拼接面； 相邻两个预制结构的联结板 80在拼装完成后 可能互相接触， 但不需用焊接或螺栓等方法固定在一起。
[0054] 在工厂车间内， 还对预制结构的框架各个侧面， 通过与梁柱等部件连接的若干 第一面板 51进行封闭。 第一面板 51的拼接节点可采用密封焊， 以确保气密性。 以图 5所示的纵截面 A-A为例， 圈梁 30任意一侧的纵截面为工字型， 设置有竖梁 来固定相互平行的拼接面和非拼接面； 框体结构 70任意一侧的纵截面为 L型， 具 有相互垂直的第一表面和第二表面。 框体结构 70的第一表面焊接在第一面板 51 边缘处的内侧， 框体结构 70的第二表面与圈梁 30的非拼接面焊接， 并向框架的 内侧延伸； 且框体结构 70的第一表面与非拼接面的外侧边缘基本对齐。 图 5中以 标记 B表示框体结构 70与第一面板 51及圈梁 30之间通过焊接连接。
[0055] 各第一面板 51优选的将相应框体结构 70的第一表面完全覆盖。 在所述框体结构 70第一表面与第一面板 51的焊接处幵设有贯穿两者的安装孔， 用于安装对第二 面板 52进行连接的第三螺栓 43。 现场装配吋在第二面板 52和第一面板 51之间， 设置由氯丁橡胶 （Neoprene) 材料制成的垫圈 60。 第二面板 52可覆盖在现场拼接 完成后两个圈梁 30的联结板 80 (图 6) 外侧。 这两个圈梁 30通过拼接面上安装的 第一螺栓 41、 第二螺栓 42来固定连接。
[0056] 各预制结构上述部件的连接， 是在工厂车间内根据设计要求， 采用焊接或螺栓 连接等方式完成， 且可以对其成品进行必要的质量检测。 假设框架的横截面为 其他形状， 例如六边形等， 则可以相应增加梁柱、 面板等各种部件的数量， 不 一一赘述。
[0057] 以下介绍本发明中撬装式冷箱在现场装配的过程：
[0058] 如图 3所示， 上下两段预制结构 11、 12分别运输至现场的预定地点； 下段预制 结构 12安装就位后， 吊车进场将上段预制结构 11进行吊装， 使上下两段预制结 构 11、 12的圈梁 30拼接面对准并接触； 在圈梁 30拼接面上对应各立柱 20的位置 安装第一螺栓 41并拧紧后， 吊车即可退场 （亦可选择不退场） ； 再在圈梁 30拼 接面的其他位置安装第二螺栓 42并拧紧。 本发明中相邻预制结构的框架， 即依 靠螺栓连接的圈梁 30可靠地连接在一起。 圈梁 30由碳钢材料制成。 连接圈梁 30 用的第一螺栓 41和第二螺栓 42为摩擦型高强螺栓， 以确保在风荷载作用下， 各 段预制结构之间不会产生相对位移， 上段预制结构 11产生的剪力和弯矩可以通 过立柱 20和圈梁 30共同作用传递给下段预制结构 12， 进一步增加了框架的结构 刚度。
[0059] 框架连接完毕之后， 如图 4、 图 5所示， 现场将各个第二面板 52通过第三螺栓 43 分别与两段预制结构固定连接， 将第二面板 52连接至第一面板 51外侧， 对应于 框体结构 70第一表面与第一面板 51的焊接处， 通过第二面板 52从侧面对上下两 段预制结构 11、 12拼接完成后两个圈梁 30处形成的缝隙进行完全封闭。 第二面 板 52与第一面板 51之间还设有环绕布置的垫圈 60， 所述垫圈 60由氯丁橡胶材料 制成。 [0060] 并且， 通过前述对框架的拼接， 两个圈梁 30的联结板 80边缘相邻近或相接触， 第二面板 52即直接覆盖在两个联结板 80外侧， 将这两个联结板 80边缘之间的缝 隙 （对应于两个圈梁 30上与立柱 20对应位置的缝隙） 进行封闭。 至此， 完成撬 装式冷箱的预制结构在现场的拼接装配。
[0061] 在一个设计高度为 30m的冷箱的示例中， 立柱、 横梁、 斜撑、 梁间支撑等部件 都可依照常规要求设计尺寸； 圈梁 30任意一侧的工字型梁， 拼接面及非拼接面 的宽度与竖梁的高度相等， 所述高度为 350~400mm， 优选为 350mm。 相比传统 的现场拼装式或撬装式冷箱， 该示例中为上下两段预制结构 11、 12分别设置圈 梁 30， 对装配后冷箱整体的高度改变很少。 参见图 6， 各圈梁 30拼接面上位于与 立柱 20对应位置的第一螺栓 41布置较为密集， 本例中在圈梁 30的角落位置安装 有 16个第一螺栓 41 ; 而安装在圈梁 20拼接面上其他位置的第二螺栓 42的间距 （ 本例中为 200~300mm) ， 大于角落位置的第一螺栓 41的间距。 在框架的每一侧 面连接第二面板 52吋， 上下两个圈梁 30拼接后的高度小于该侧第二面板 52的高 度， 使连接后的第二面板 52的顶边及底边能分别位于上方圈梁 30的非拼接面之 上和下方圈梁 30的非拼接面之下， 避幵了梁柱的拼接节点， 以确保更好的气密 性。
[0062] 综上所述， 本发明可以有效避免在现场拼接吋进行钢结构现场焊接及其无损探 伤检测的操作， 节省相关费用。 而且采用螺栓拼接吋， 一旦撬装式冷箱的上段 预制结构就位且圈梁上对应立柱位置的螺栓紧固连接后， 吊车即可退出工作； 本发明依靠圈梁间的螺栓连接即可保证足够的强度， 进而最大程度节约现场吋 间和措施费。 本发明还以螺栓连接的第二面板， 覆盖拼接后两圈梁处形成的细 缝， 并在第二面板与第一面板的接触面之间设置垫圈， 确保撬装式冷箱封闭的 气密性。
[0063] 尽管本发明的内容已经通过上述优选实施例作了详细介绍， 但应当认识到上述 的描述不应被认为是对本发明的限制。 在本领域技术人员阅读了上述内容后， 对于本发明的多种修改和替代都将是显而易见的。 因此， 本发明的保护范围应 由所附的权利要求来限定。

Claims

权利要求书
[权利要求 1] 一种可供拼接的撬装式冷箱的预制结构， 其特征在于， 包含框架， 所 述框架设置有垂直贯穿该框架的多个立柱， 连接在所述框架外侧面的 若干第一面板， 所述若干第一面板构成对该框架及其立柱的外侧面的 完全封闭；
固定在所述预制结构拼接端的第一面板边缘内侧的一个框体结构； 所 述框体结构处固定有圈梁， 所述圈梁幵设有螺栓的安装孔， 以使该圈 梁与待拼接的另一预制结构的同类圈梁能在装配吋通过螺栓连接； 所述框体结构和第一面板连接的部分幵设有螺栓的安装孔， 以在装配 吋通过螺栓连接第二面板， 通过所述第二面板在第一面板的外侧面对 相邻预制结构拼接完成后两个圈梁处形成的缝隙进行完全封闭。
[权利要求 2] 如权利要求 1所述可供拼接的撬装式冷箱的预制结构， 其特征在于， 所述圈梁的纵截面为工字型， 具有竖梁和固定在竖梁上的相互平行的 拼接面和非拼接面； 所述框架结构的纵截面为 L型， 具有相互垂直的 第一表面和第二表面；
所述第一表面与第一面板边缘的内侧固定连接， 并在该连接处幵设有 螺栓的安装孔， 以通过所述螺栓将所述第二面板固定在第一面板外侧 ； 所述第二表面与圈梁的非拼接面固定连接， 并向框架的内侧延伸。
[权利要求 3] 如权利要求 2所述可供拼接的撬装式冷箱的预制结构， 其特征在于， 所述圈梁与立柱对应的位置的外侧面上设有联结板， 所述联结板从所 述圈梁的拼接面延伸到非拼接面， 使装配的第二面板能覆盖在拼接完 成后的圈梁的联结板上。
[权利要求 4] 如权利要求 1所述可供拼接的撬装式冷箱的预制结构， 其特征在于， 所述圈梁的拼接面上分别幵设有第一螺栓和第二螺栓的安装孔； 所述 第一螺栓的安装孔位于圈梁的拼接面上与立柱对应的位置， 所述第二 螺栓的安装孔位于圈梁的拼接面上其他位置； 所述第一螺栓的安装孔 的间距， 小于所述第二螺栓的安装孔的间距。
[权利要求 5] 如权利要求 1所述可供拼接的撬装式冷箱的预制结构， 其特征在于， 所述框架进一步包含：
若干横梁， 间隔布置在相邻立柱之间， 各横梁的两端连接至相应的立 柱；
若干梁间支撑， 与横梁平行、 在相邻横梁之间设置， 各梁间支撑两端 连接至相应的立柱；
若干斜撑， 各斜撑的一端与相应梁间支撑的中部连接， 另一端连接至 相应立柱与横梁或圈梁的连接部位。
[权利要求 6] —种撬装式冷箱， 其特征在于， 所述撬装式冷箱具有两个或两个以 上在现场通过螺栓连接的预制结构；
其中任意一个预制结构， 包含： 框架， 所述框架设置有垂直贯穿该框 架的多个立柱， 连接在所述框架外侧面的若干第一面板， 所述若干第 一面板构成对该框架及其立柱的外侧面的完全封闭；
固定在所述预制结构拼接端的第一面板边缘内侧的一个框体结构； 所 述框体结构处固定有圈梁； 所述圈梁幵设有螺栓的安装孔， 以使该圈 梁与待拼接的另一预制结构的同类圈梁能在装配吋通过螺栓连接； 所述框体结构和第一面板连接的部分幵设有螺栓的安装孔， 以在装配 吋通过螺栓连接第二面板， 通过所述第二面板在第一面板的外侧面对 相邻预制结构拼接完成后两个圈梁处形成的缝隙进行完全封闭。
[权利要求 7] 如权利要求 6所述撬装式冷箱， 其特征在于，
各预制结构中，
所述圈梁的纵截面为工字型， 具有竖梁和固定在竖梁上的相互平行的 拼接面和非拼接面； 所述框架结构的纵截面为 L型， 具有相互垂直的 第一表面和第二表面；
所述第一表面与第一面板边缘的内侧固定连接， 并在连接处幵设有螺 栓的安装孔， 以通过所述螺栓将所述第二面板固定在第一面板外侧； 所述第二表面与圈梁的非拼接面固定连接， 并向框架的内侧延伸。
[权利要求 8] 如权利要求 7所述撬装式冷箱， 其特征在于，
在相邻两个预制结构上， 各圈梁与立柱对应的位置的外侧面设有联结 板， 所述联结板从所在圈梁的拼接面延伸到非拼接面， 使装配的第二 面板能覆盖在拼接完成后相邻两个预制结构的联结板外侧。
如权利要求 6或 8所述撬装式冷箱， 其特征在于，
所述第二面板与第一面板之间， 设有氯丁橡胶材料制成的垫圈。 如权利要求 7所述撬装式冷箱， 其特征在于，
相邻两个预制结构中连接圈梁的螺栓为摩擦型高强螺栓； 任意一个圈 梁的拼接面上与立柱对应位置的螺栓的间距， 小于该圈梁的拼接面上 其他位置的螺栓的间距。
如权利要求 6所述撬装式冷箱， 其特征在于，
任意一个预制结构的框架， 进一步包含：
若干横梁， 间隔布置在相邻立柱之间， 各横梁的两端连接至相应的立 柱；
若干梁间支撑， 与横梁平行、 在相邻横梁之间设置， 各梁间支撑两端 连接至相应的立柱；
若干斜撑， 各斜撑的一端与相应梁间支撑的中部连接， 另一端连接至 相应立柱与横梁或圈梁的连接部位。
一种权利要求 6~11中任意一项所述撬装式冷箱的装配方法， 其特征 在于， 包含以下过程：
将撬装式冷箱的上下两段预制结构， 分别运输至预定地点； 对下段预制结构安装就位；
吊车进场， 对上段预制结构进行吊装， 使上下两段预制结构的圈梁的 拼接面对准并接触；
对圈梁的拼接面上与立柱对应的位置安装螺栓并进行紧固后， 选择性 的， 吊车退场；
对圈梁的拼接面上其他位置安装螺栓并进行紧固， 完成上下两段预制 结构的框架连接；
将第二面板通过螺栓连接至上下两段预制结构的第一面板外侧， 通过 所述第二面板对拼接完成后上下两段预制结构的圈梁处形成的缝隙进 行完全封闭
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