阅读说明：本技术 一种co双层真空冷箱的塔体的冷热伸缩滑动结构 (Cold and hot flexible sliding construction of tower body of double-deck vacuum cooling box of CO ) 是由 何忠田 胡国柱 刘宁岗 于 2020-09-28 设计创作，主要内容包括：本发明提供一种CO双层真空冷箱的塔体的冷热伸缩滑动结构,包括第一半圆套管、第二半圆套管、第一抱箍和第二抱箍,第一半圆套管、第二半圆套管相互配合套设在塔体外侧壁上,第一半圆套管和第二半圆套管外侧上通过第一抱箍和第二抱箍锁紧。本发明在塔体与抱箍之间增加两个四氟套管,利用四氟套管导热系数低,能耐低温,将塔体与抱箍隔开,从而降低系统运行过程中冷箱内低温塔体的热量损失,节约运行成本；因热胀冷缩塔体需要收缩,四氟半管内部光滑,从而保证了塔体能自由的伸缩,不会导致塔体破坏,从而减少系统运行过程中因泄露而导致的危险；保证了塔体不会因热胀冷缩而拉断筒体,确保了塔体的安全性,减低系统运行中的安全隐患。(The invention provides a cold and hot telescopic sliding structure of a tower body of a CO double-layer vacuum cooling box, which comprises a first semicircular sleeve, a second semicircular sleeve, a first anchor ear and a second anchor ear, wherein the first semicircular sleeve and the second semicircular sleeve are mutually matched and sleeved on the outer side wall of the tower body, and the outer sides of the first semicircular sleeve and the second semicircular sleeve are locked through the first anchor ear and the second anchor ear. According to the invention, the two PTFE sleeves are additionally arranged between the tower body and the hoop, and the tower body is separated from the hoop by utilizing the low heat conductivity coefficient and low temperature resistance of the PTFE sleeves, so that the heat loss of the low-temperature tower body in the cold box in the system operation process is reduced, and the operation cost is saved; the interior of the polytetrafluoroethylene half tube is smooth because the tower body needs to be contracted due to thermal expansion and cold contraction, so that the tower body can be freely stretched and contracted, the tower body cannot be damaged, and the danger caused by leakage in the operation process of a system is reduced; the tower body is ensured not to break the cylinder body due to expansion with heat and contraction with cold, the safety of the tower body is ensured, and the potential safety hazard in the operation of the system is reduced.)

1. The utility model provides a cold and hot flexible sliding structure of tower body of double-deck vacuum cooler of CO, a serial communication port, including first semicircle sleeve pipe, second semicircle sleeve pipe, first staple bolt and second staple bolt, first semicircle sleeve pipe, second semicircle sleeve pipe mutually support the cover and establish on the tower body lateral wall, and first semicircle sleeve pipe and second semicircle sleeve pipe outside on pass through first staple bolt and second staple bolt locking.

2. The cooling-heating telescopic sliding structure of the tower body of the CO double-layer vacuum cooling box as claimed in claim 1, wherein: first semicircle sleeve pipe, second semicircle sleeve pipe be low, low temperature resistant tetrafluoro sleeve pipe of coefficient of heat conductivity, through first semicircle sleeve pipe, second semicircle sleeve pipe separate tower body and first staple bolt and second staple bolt.

3. The cooling-heating telescopic sliding structure of the tower body of the CO double-layer vacuum cooling box as claimed in claim 2, wherein: the inner side walls of the first semicircular sleeve and the second semicircular sleeve are smooth structures, and the first semicircular sleeve and the second semicircular sleeve can slide up and down on the tower body through the smooth structures.

4. The cooling-heating telescopic sliding structure of the tower body of the CO double-layer vacuum cooling box as claimed in claim 2, wherein: and two ends of the first hoop and the second hoop are locked through corresponding bolts.

5. The cooling-heating telescopic sliding structure of the tower body of the CO double-layer vacuum cooling box as claimed in claim 4, wherein: the upper end of the first anchor ear is further welded with angle steel or channel steel, and the other end of the angle steel or the channel steel is welded on the wall of the cold box cylinder of the cold box to support the tower body on the cold box cylinder.

Technical Field

The invention relates to a sliding structure, in particular to a cold and hot telescopic sliding structure of a tower body of a CO double-layer vacuum cooling box.

Background

In the gas industry, cryogenic rectification is a conventional means of gas purification. The carbon monoxide is separated and purified by adopting different combination modes according to different components in the feed gas, and the required temperature is lower than-196 ℃. Therefore, the cold insulation of the tower body equipment in the carbon monoxide cold box is an important energy-saving means.

At present, the carbon monoxide cold box is basically a square closed box made of section steel and steel plates, the internal tower body equipment is supported on a cold box wall plate by using a hoop, channel steel or angle steel, the internal filling of pearlife is heat-insulated, the cold insulation effect is limited, and the energy-saving effect is not obvious. Adopt the cylinder vacuum cold box structure of the adoption of high one rank, the inside pearlife of irritating is adiabatic, provides a vacuum adiabatic environment for the low temperature system, effectively prevents the cold volume loss that the inside and outside container difference in temperature leads to, and the cold insulation effect is good than the square seal box, and energy-conserving effect is obvious.

Adopt the staple bolt to embrace tower equipment among the present same type structure, then weld on staple bolt and cold box section of thick bamboo wall with angle steel or channel-section steel, utilize angle steel or channel-section steel to fix.

The fixed form has the advantages that the heat conductivity coefficient of the used materials is large, heat is easily conducted, and therefore the loss of cooling capacity of equipment in the refrigeration box is large, in the running process of the system, due to the phenomenon that the tower body expands with heat and contracts with cold, the friction force between the hoop and the tower body is large, the sliding between the tower body and the hoop is insufficient, the tower body is easily damaged, and when more equipment is arranged, the used materials of the supporting structure are increased, and the cost of the materials is high.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a cold and hot telescopic sliding structure of a tower body of a CO double-layer vacuum cooling box, which can ensure the free telescopic of the tower body, and can not cause the damage of the tower body, thereby reducing the danger caused by leakage in the running process of a system.

The technical scheme of the invention is as follows: the utility model provides a cold and hot flexible sliding structure of tower body of double-deck vacuum cooler of CO, includes first semicircle sleeve pipe, second semicircle sleeve pipe, first staple bolt and second staple bolt, first semicircle sleeve pipe, second semicircle sleeve pipe mutually support the cover and establish on the tower body lateral wall, and first semicircle sleeve pipe and second semicircle sleeve pipe outside on pass through first staple bolt and second staple bolt locking.

Preferably, the inner side walls of the first semicircular sleeve and the second semicircular sleeve are smooth structures, and the first semicircular sleeve and the second semicircular sleeve can slide up and down on the tower body through the smooth structures.

Preferably, first semicircle sleeve pipe, second semicircle sleeve pipe be coefficient of heat conductivity low, low temperature resistant tetrafluoro sleeve pipe, through first semicircle sleeve pipe, second semicircle sleeve pipe separate tower body and first staple bolt and second staple bolt to reduce the heat loss of the interior low temperature tower body of system operation in-process cold box, practice thrift the running cost. Simultaneously, at system operation in-process, because of the physical phenomenon of expend with heat and contract with cold, the tower body needs the shrink, first semicircle sleeve pipe, second semicircle sleeve pipe inside smooth to guaranteed the flexible of tower body ability freedom, can not consequently lead to the tower body to destroy, thereby reduced the danger that leads to because of revealing in the system operation in-process.

Preferably, the two ends of the first anchor ear and the second anchor ear are locked by corresponding bolts.

Preferably, angle steel or channel steel is further welded at the upper end of the first anchor ear, and the other end of the angle steel or the channel steel is welded on the wall of the cold box cylinder of the cold box to support the tower body on the cold box cylinder.

The invention has the beneficial effects that:

1. according to the invention, the two polytetrafluoroethylene semicircular sleeves are additionally arranged between the tower body and the hoop, and the tower body is separated from the hoop by utilizing the low thermal conductivity coefficient and low temperature resistance of the polytetrafluoroethylene sleeves, so that the heat loss of the low-temperature tower body in the cold box in the system operation process is reduced, and the operation cost is saved;

2. in the system operation process, due to the physical phenomena of expansion with heat and contraction with cold, the tower body needs to be contracted, and the interior of the polytetrafluoroethylene half tube is smooth, so that the tower body can be freely stretched and contracted, the tower body cannot be damaged, and the danger caused by leakage in the system operation process is reduced;

3. the inner side wall of the polytetrafluoroethylene semicircular sleeve is of a smooth structure, so that the friction force between the polytetrafluoroethylene sleeve and the tower body is reduced, the free sliding of the tower body between the polytetrafluoroethylene sleeve can be ensured, the barrel cannot be broken by the tower body due to expansion caused by heat and contraction caused by cold, the safety of the tower body is ensured, and the potential safety hazard in the operation of a system is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure, 1-a first semicircular sleeve, 2-a second semicircular sleeve, 3-a first hoop, 4-a second hoop, 5-a bolt, 6-an angle steel, 7-a cold box cylinder wall and 8-a tower body.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

as shown in fig. 1, a cold and hot telescopic sliding structure of a tower body of a CO double-layer vacuum cooling box comprises a first semicircular sleeve 1, a second semicircular sleeve 2, a first hoop 3 and a second hoop 4, wherein the first semicircular sleeve 1 and the second semicircular sleeve 2 are mutually matched and sleeved on the outer side wall of the tower body 8, and the first semicircular sleeve 1 and the second semicircular sleeve 2 are locked through the first hoop 3 and the second hoop 4 on the outer sides. The two ends of the first anchor ear 3 and the second anchor ear 4 are locked by the corresponding bolts 5.

Preferably, first semicircle sleeve pipe 1, second semicircle sleeve pipe 2 be coefficient of heat conductivity low, low temperature resistant tetrafluoro sleeve pipe, through first semicircle sleeve pipe 1, second semicircle sleeve pipe 2 separate tower body 8 and first staple bolt 3 and second staple bolt 4 to reduce the heat loss of low temperature tower body 8 in the cold box of system's operation in-process, practice thrift the running cost. Simultaneously, at system operation in-process, because of the physical phenomenon of expend with heat and contract with cold, tower body 8 needs the shrink, first semicircle sleeve pipe 1, the inside smoothness of second semicircle sleeve pipe 2 to guaranteed the flexible that tower body 8 can be free, can not consequently lead to the destruction of tower body 8, thereby reduced the danger that the system operation in-process leads to because of revealing.

Preferably, first semicircle sleeve pipe 1, second semicircle sleeve pipe 2's inside wall be smooth structure, should pass through smooth structure to reduce the frictional force between first semicircle sleeve pipe 1, second semicircle sleeve pipe 2 and the tower body 8, can guarantee the free slip of tower body 8 between the tetrafluoro sleeve pipe, thereby guaranteed that tower body 8 can not break the barrel because of expend with heat and contract with cold, ensured the security of tower body 8, reduce the potential safety hazard in the system operation.

Preferably, an angle steel 6 or a channel steel is further welded at the upper end of the first anchor ear 3, and the other end of the angle steel 6 or the channel steel is welded on a cold box cylinder wall 7 of the cold box to support the tower body on the cold box cylinder wall 7.

The structure of this embodiment is used on low temperature liquid equipment, its operating temperature-196 ℃, it is thermal-insulated to adopt annular tetrafluoro sleeve pipe on the tower body 8, live 8 wraps up the tower body with two semicircular tetrafluoro sleeve pipes, fix the tetrafluoro sleeve pipe on the tower body 8 with the stainless steel staple bolt, then weld staple bolt and cold box section of thick bamboo wall with angle steel or channel-section steel, it is fixed to realize the tower body 8, the sheathed tube coefficient of heat transfer of tetrafluoro is low, can reduce the heat transfer of the inside tower body 8 equipment of cold box, thereby reduce the cold volume loss among the operation process, reduce the running cost. Meanwhile, in the operation process of the system, the temperature of the tower body 8 is-196 ℃, the tower body needs to be contracted due to the principle of expansion with heat and contraction with cold, the friction force between the tetrafluoro sleeve and the tower body 8 is small, and the free sliding of the tower body 8 between the tetrafluoro sleeve can be ensured, so that the tower body 8 cannot break the cylinder due to expansion with heat and contraction with cold, the safety of the tower body is ensured, and the potential safety hazard in the operation of the system is reduced.

The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.