CN217897349U - A straightness adjusting device that hangs down for empty cold box tower that divides - Google Patents

A straightness adjusting device that hangs down for empty cold box tower that divides Download PDF

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Publication number
CN217897349U
CN217897349U CN202221117323.5U CN202221117323U CN217897349U CN 217897349 U CN217897349 U CN 217897349U CN 202221117323 U CN202221117323 U CN 202221117323U CN 217897349 U CN217897349 U CN 217897349U
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China
Prior art keywords
cold box
tower
pull rod
adjusting device
wall
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CN202221117323.5U
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Chinese (zh)
Inventor
丁晓龙
段先瑜
李承洪
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Zhejiang Zhongtai Cryogenic Equipment Co ltd
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Zhejiang Zhongtai Cryogenic Equipment Co ltd
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Priority to CN202221117323.5U priority Critical patent/CN217897349U/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04763Start-up or control of the process; Details of the apparatus used
    • F25J3/04866Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/0489Modularity and arrangement of parts of the air fractionation unit, in particular of the cold box, e.g. pre-fabrication, assembling and erection, dimensions, horizontal layout "plot"
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/42Modularity, 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

The utility model relates to a verticality adjusting device for an air separation cold box tower, which comprises a vertical adjusting component and a horizontal adjusting component; the vertical adjusting assembly comprises a vertical pull rod arranged at the top of the cold box body, one end of the vertical pull rod is fixedly arranged on a supporting plate at the top of the cold box body, and the other end of the vertical pull rod extends into the cold box body and is fixedly connected with a lifting lug of the upper tower; the horizontal adjustment assembly comprises a hoop body sleeved on the outer wall of the lower end of the upper tower, a plurality of horizontal pull rods are uniformly arranged on the outer wall of the hoop body along the axis of the hoop body, one end of each horizontal pull rod is fixedly connected with the outer wall of the hoop body, and the other end of each horizontal pull rod is fixedly connected with the inner wall of the cold box body. The utility model discloses beneficial effect such as with low costs, easily operation, convenient regulation has.

Description

Verticality adjusting device for air separation cold box tower
Technical Field
The utility model relates to a straightness adjusting device that hangs down especially relates to a straightness adjusting device that hangs down for empty cold box tower that divides, belongs to empty cold box equipment technical field that divides.
Background
With the development of coal chemical engineering and refining engineering and the continuous updating of air separation engineering technology and equipment, air separation devices gradually advance in large-scale and clustering directions. Wherein, because of cold box steel construction, tower and connecting tube all assemble into the module at mill or processing place after, carry out the module installation, compare traditional job site and assemble, the integrated nature is high, and it is convenient to transport, and construction cycle is short, and installation quality is easily controlled, all has certain advantage in aspects such as construction safety, quality, efficiency.
When the cold box is installed on site, the tower needs to be turned over and erected from a horizontal state, so that the tower is easy to collide with a steel structure of the cold box and pipelines in the cold box, and even the tower is damaged due to uneven local stress. In addition, the weight of the modular cold box is heavier, usually 200-500t, the length of the modular cold box is usually 20-60m, and if a traditional method for hoisting the auxiliary tower by a crane for adjustment is adopted, the construction efficiency is low, and the construction cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly be to the above-mentioned problem that prior art exists, provide a straightness adjusting device that hangs down for empty cold box tower that divides.
The purpose of the utility model is mainly realized by the following scheme:
a perpendicularity adjusting device for an air separation cold box tower comprises a vertical adjusting assembly and a horizontal adjusting assembly; the vertical adjusting assembly comprises a vertical pull rod arranged at the top of the cold box body, one end of the vertical pull rod is fixedly arranged on a supporting plate at the top of the cold box body, and the other end of the vertical pull rod extends into the cold box body and is fixedly connected with a lifting lug of the upper tower; the horizontal adjustment assembly comprises a hoop body sleeved on the outer wall of the lower end of the upper tower, a plurality of horizontal pull rods are uniformly arranged on the outer wall of the hoop body along the axis of the hoop body, one end of each horizontal pull rod is fixedly connected with the outer wall of the hoop body, and the other end of each horizontal pull rod is fixedly connected with the inner wall of the cold box body.
Preferably, a temporary fixing frame is arranged at the top of the cold box body, and the top of the temporary fixing frame is fixedly connected with the bottom of the supporting plate through a connecting bolt.
Preferably, the top of the cold box body is provided with a plurality of jacks below the supporting plate.
Preferably, the anchor ear body comprises a plurality of arc anchor ears which are connected with each other through connecting bolts.
Preferably, the inner side face of the arc-shaped hoop is provided with a plurality of gaskets.
Preferably, the outer wall of the hoop body is provided with a plurality of first fixing supports, the inner wall of the cold box body is provided with second fixing supports in one-to-one correspondence with the first fixing supports, and two ends of the horizontal pull rod are respectively installed on the first fixing supports and the second fixing supports through connecting bolts.
Preferably, the horizontal pull rod comprises a connecting piece and an adjusting piece, the connecting piece comprises a connector, a connecting rod and a first connecting ring, the two ends of the connecting rod are respectively connected with the connector and the first connecting ring, and the connector is installed on the first fixing support through a connecting bolt.
Preferably, the adjusting piece comprises a bolt body with an inner frame, a first thread adjusting rod and a second thread adjusting rod, both ends of the bolt body are provided with threaded holes, and the first thread adjusting rod and the second thread adjusting rod penetrate through the threaded holes and extend into the inner frame of the bolt body.
Preferably, a second connecting ring is fixed to the connecting end of the first threaded adjusting rod, the second connecting ring is connected with the first connecting ring, a U-shaped support is fixed to the connecting end of the second threaded adjusting rod, and the U-shaped support is mounted on the second fixed support through a connecting bolt.
Preferably, the outer wall of the upper tower is provided with a plurality of supporting blocks, and the lower end faces of the supporting blocks are in contact with the upper end face of the hoop body.
Therefore, compared with the prior art, the utility model discloses possess following advantage: the utility model discloses simple structure, low cost through the vertical adjustment subassembly of adoption for the fixed of upper portion tower and cold box upper end casing, through the horizontal adjustment subassembly of adoption, use with the vertical adjustment subassembly cooperation, can accurately adjust the straightness that hangs down of upper portion tower fast, realize the quick accurate butt joint of upper portion tower and lower part tower, reduced large-scale hoisting machinery's use, the efficiency of construction is high, and economic benefits is good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the horizontal adjustment assembly of the present invention;
fig. 3 is a schematic structural view of the arc-shaped hoop of the present invention;
FIG. 4 is a schematic structural view of the adjusting member of the present invention;
fig. 5 is a top view of the inside of the cooling box body of the present invention.
Illustration of the drawings: 1-a cold box body, 2-a vertical pull rod, 3-a support plate, 4-an upper tower, 5-a lifting lug, 6-a hoop body, 7-a horizontal pull rod, 8-a temporary fixing frame, 9-a jack, 10-an annular hoop, 11-a liner, 12-a first fixing seat, 13-a second fixing seat, 14-a connector, 15-a connecting rod, 16-a first connecting ring, 17-a bolt body, 18-a first threaded adjusting rod, 19-a second threaded adjusting rod, 20-a second connecting ring, 21-a U-shaped support, 22-a support block and 23-a saddle.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings. It is to be understood that the practice of the present invention is not limited to the following examples, and that any modifications and/or changes in form made to the present invention are intended to fall within the scope of the present invention.
In the present invention, unless otherwise specified, all parts and percentages are by weight, and the equipment and raw materials used may be commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
Example 1:
as shown in figure 1, the utility model provides a technical scheme, a straightness adjusting device that hangs down for empty cold box tower that divides comprises vertical adjustment subassembly and horizontal adjustment subassembly.
The vertical adjustment assembly comprises two vertical pull rods 2 arranged at the top of a cold box body 1, in the embodiment, the hammer pull rods 2 are threaded rods, the upper ends of the vertical pull rods 2 are fixedly arranged on a support plate 3 at the top of the cold box body 1 through nuts, the lower ends of the vertical pull rods 2 extend into the cold box body 1 through holes in the cold box body 1, the vertical pull rods are fixedly connected with two symmetrical lifting lugs 5 of an upper tower 4 through nuts, a temporary fixing frame 8 is arranged at the top of the cold box body 1, the temporary fixing frame 8 is fixedly connected with the support plate 3 through connecting bolts, and the temporary fixing frame 8 is fixedly connected with the cold box body 1 through bolts.
Above-mentioned horizontal adjustment subassembly establishes the staple bolt body 6 at the 4 lower extreme outer walls of upper portion tower including the cover, and the outer wall of staple bolt body 6 evenly is equipped with a plurality of horizontal pull rods 7 along its axis, and horizontal pull rod 7 is equipped with at least two, evenly is equipped with threely in this embodiment, and the contained angle between two adjacent horizontal pull rods 7 is 120 degrees, makes things convenient for the straightness adjustment that hangs down of upper portion tower 4, the one end of horizontal pull rod 7 and the outer wall fixed connection of staple bolt body 6, the other end and the 1 inner wall fixed connection of cold box of horizontal pull rod 7.
Through the vertical adjustment subassembly that adopts for the fixed of upper portion tower 4 and cold box 1 upper end casing, through the horizontal adjustment subassembly that adopts, use with the vertical adjustment subassembly cooperation, can adjust the straightness that hangs down of upper portion tower 4 fast accurately, realize the quick accurate butt joint of upper portion tower 4 and lower part tower, reduced large-scale hoisting machinery's use, the efficiency of construction is high, and economic benefits is good.
Example 2:
as shown in fig. 1, the utility model provides a technical scheme, a straightness adjusting device that hangs down for empty cold box tower that divides, with embodiment 1's difference lie in, the top of interim mount 8 is equipped with four lower ear seats, and the lower surface correspondence of backup pad 3 is equipped with four upper ear seats, through connecting bolt fixed connection between lower ear seat and the upper ear, improves the reliability that upper portion tower 4 suspends in midair.
The top of the cold box body 1 is provided with a plurality of jacks 9 below the supporting plate 3, and the jacks are used for being matched with the horizontal adjusting component to quickly and accurately adjust the verticality of the upper tower 4.
As shown in fig. 2, the hoop body 6 includes a plurality of arc-shaped hoops 10 connected to each other through connecting bolts, in this embodiment, three arc-shaped hoops 10 are provided, and the outer wall of each arc-shaped hoop 10 corresponds to one horizontal pull rod 7.
The inner side surface of the arc-shaped hoop 10 is provided with a plurality of gaskets 11, the inner side of each arc-shaped hoop 10 in the embodiment is provided with three gaskets 11, and the gaskets 11 are tetrafluoroethylene gaskets and are fixed on the arc-shaped hoop 10 through rivets.
As shown in fig. 5, a first fixing support 12 is welded in the middle of the outer wall of each arc-shaped hoop 10, second fixing supports 13 corresponding to the first fixing supports 12 one to one are welded in the inner wall of the cold box body 1, two ends of the horizontal pull rod 7 are respectively mounted on the first fixing supports 12 and the second fixing supports 13 through connecting bolts, wherein the first fixing supports 12 and the horizontal pull rod 7 can be adjusted by rotating left and right through the connecting bolts, and the second fixing supports 13 and the horizontal pull rod 7 can be adjusted by rotating up and down through the connecting bolts.
As shown in fig. 3 and 4, the horizontal pull rod 7 is composed of a connecting member and an adjusting member, the connecting member is composed of a connector 14, a connecting rod 15 and a first connecting ring 16, the connector 14 and the first connecting ring 16 are respectively welded to two ends of the connecting rod 15, and the connector 14 is mounted on the first fixing support 12 through a connecting bolt.
The adjusting piece comprises a bolt body 17 with an inner frame, a first thread adjusting rod 18 and a second thread adjusting rod 19, wherein both ends of the bolt body 17 are provided with threaded holes, the first thread adjusting rod 18 and the second thread adjusting rod 19 both penetrate through the threaded holes at both ends of the threaded hole bolt body 17 and extend into the inner frame of the bolt body 17, and the first thread adjusting rod 18 and the second thread adjusting rod 19 are both in thread fit with the threaded holes at both ends of the bolt body 17; the connecting end of the first threaded adjusting rod 18 is welded with a second connecting ring 20, the second connecting ring 20 is sleeved with the first connecting ring 16, the connecting end of the second threaded adjusting rod 19 is welded with a U-shaped support 21, and the U-shaped support 21 is installed on the second fixed support 13 through a connecting bolt.
The outer wall of the upper tower 4 is uniformly provided with a plurality of supporting blocks 22 along the axis of the upper tower 4, in this embodiment, four supporting blocks 22 are provided, the lower end faces of the supporting blocks 22 are in contact with the upper end face of the hoop body 6, and the supporting blocks 22 can play a role in bearing and guiding.
The utility model provides a pair of straightness adjusting device that hangs down for empty cold box tower that divides, cold box hypomere and lower part tower have been installed and are accomplished, and at this moment cold box upper end and upper portion tower 4 level are placed, and 4 bottoms on upper portion tower arrange two at least saddles 23, and saddle 23 welds on the outer wall of upper portion tower 4, and saddle 23 passes through the bolt fastening and is in the inside of cold box upper segment, links as an organic wholely with cold box upper segment when making upper portion tower 4 level; hoisting the upper section of the cold box body, horizontally turning the upper section of the cold box body to be vertical, assembling the upper section of the cold box body with the lower section of the cold box body, removing a connecting bolt between a saddle 23 and the upper section of the cold box body after the assembling is finished, separating the upper tower 4 from the upper section of the cold box body, and hanging and supporting the upper tower 4 through a vertical pull rod 2; lifting by using a jack 9 until the upper end of the jack 9 is contacted with the lower end face of the support plate 3, removing a connecting bolt between the upper lug and the lower lug, bearing and supporting the upper tower 4 by the jack 9 and the support plate 3 at the moment, and then removing the vertical pull rod 2 and a nut at the lower part of the support plate 3; and adjusting the jack 9 to enable the upper tower 4 to move downwards, adjusting the length of the horizontal pull rod 7 in a matching manner, enabling the verticality of the upper tower 4 to be always in a normal range until the lower end of the upper tower 4 is in butt joint with the upper end of the lower tower, cleaning butt joints, arranging a plurality of welders to symmetrically weld in the same direction, and completing tower welding, namely completing installation and adjustment of the tower.
The utility model provides a pair of straightness adjusting device that hangs down for empty cold box tower that divides, simple structure, low cost, through the vertical adjustment subassembly that adopts for the fixed of upper portion tower and cold box upper end casing, through the horizontal adjustment subassembly that adopts, use with the vertical adjustment subassembly cooperation, can accurately adjust the straightness that hangs down of upper portion tower fast, realize the quick accurate butt joint of upper portion tower and lower part tower, reduced large-scale hoisting machinery's use, the efficiency of construction is high, and economic benefits is good, and the practicality is strong.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a straightness adjusting device that hangs down for empty cold box tower that divides which characterized in that: the adjusting device comprises a vertical adjusting component and a horizontal adjusting component; the vertical adjusting assembly comprises a vertical pull rod (2) arranged at the top of the cold box body (1), one end of the vertical pull rod (2) is fixedly arranged on a support plate (3) at the top of the cold box body (1), and the other end of the vertical pull rod (2) extends into the cold box body (1) and is fixedly connected with a lifting lug (5) of the upper tower (4); horizontal adjustment subassembly establishes staple bolt body (6) at upper portion tower (4) lower extreme outer wall including the cover, the outer wall of staple bolt body (6) evenly is equipped with a plurality of horizontal pull rod (7) along its axis, the one end of horizontal pull rod (7) and the outer wall fixed connection of staple bolt body (6), the other end and cold box (1) inner wall fixed connection of horizontal pull rod (7).
2. The verticality adjusting device for an air separation cold box tower as claimed in claim 1, wherein: the top of the cold box body (1) is provided with a temporary fixing frame (8), and the top of the temporary fixing frame (8) is fixedly connected with the bottom of the supporting plate (3) through a connecting bolt.
3. The verticality adjusting device for the air separation cold box tower as claimed in claim 2, wherein: the top of the cold box body (1) is provided with a plurality of jacks (9) below the supporting plate (3).
4. The verticality adjusting device for an air separation cold box tower as claimed in claim 1, wherein: the hoop body (6) comprises a plurality of arc-shaped hoops (10) which are mutually connected through connecting bolts.
5. The verticality adjusting device for the air separation cold box tower as claimed in claim 4, wherein: the inner side face of the arc-shaped hoop (10) is provided with a plurality of gaskets (11).
6. The verticality adjusting device for an air separation cold box tower as claimed in claim 1, wherein: the outer wall of the hoop body (6) is provided with a plurality of first fixing supports (12), the inner wall of the cold box body (1) is provided with second fixing supports (13) corresponding to the first fixing supports (12) one by one, and two ends of the horizontal pull rod (7) are respectively installed on the first fixing supports (12) and the second fixing supports (13) through connecting bolts.
7. The verticality adjusting device for the air separation cold box tower as claimed in claim 6, wherein: horizontal pull rod (7) are including connecting piece and regulating part, the connecting piece includes connector (14), connecting rod (15) and first connecting ring (16), the both ends of connecting rod (15) are connected with connector (14) and first connecting ring (16) respectively, connector (14) are installed on first fixing support (12) through connecting bolt.
8. The verticality adjusting device for the air separation cold box tower as claimed in claim 7, wherein: the adjusting piece comprises a bolt body (17) with an inner frame, a first thread adjusting rod (18) and a second thread adjusting rod (19), threaded holes are formed in two ends of the bolt body (17), and the first thread adjusting rod (18) and the second thread adjusting rod (19) penetrate through the threaded holes and stretch into the inner frame of the bolt body (17).
9. The verticality adjusting device for an air separation cold box tower as claimed in claim 8, wherein: the connecting end of the first thread adjusting rod (18) is fixedly provided with a second connecting ring (20), the second connecting ring (20) is connected with the first connecting ring (16), the connecting end of the second thread adjusting rod (19) is fixedly provided with a U-shaped support (21), and the U-shaped support (21) is installed on the second fixed support (13) through a connecting bolt.
10. The verticality adjusting device for an air separation cold box tower as claimed in claim 1, wherein: the outer wall of the upper tower (4) is provided with a plurality of supporting blocks (22), and the lower end faces of the supporting blocks (22) are in contact with the upper end face of the hoop body (6).
CN202221117323.5U 2022-05-10 2022-05-10 A straightness adjusting device that hangs down for empty cold box tower that divides Active CN217897349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221117323.5U CN217897349U (en) 2022-05-10 2022-05-10 A straightness adjusting device that hangs down for empty cold box tower that divides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221117323.5U CN217897349U (en) 2022-05-10 2022-05-10 A straightness adjusting device that hangs down for empty cold box tower that divides

Publications (1)

Publication Number Publication Date
CN217897349U true CN217897349U (en) 2022-11-25

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CN202221117323.5U Active CN217897349U (en) 2022-05-10 2022-05-10 A straightness adjusting device that hangs down for empty cold box tower that divides

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CN (1) CN217897349U (en)

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