CN217301840U - Air separation cold box automatic regulating valve adjusting mechanism - Google Patents
Air separation cold box automatic regulating valve adjusting mechanism Download PDFInfo
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- CN217301840U CN217301840U CN202123286400.8U CN202123286400U CN217301840U CN 217301840 U CN217301840 U CN 217301840U CN 202123286400 U CN202123286400 U CN 202123286400U CN 217301840 U CN217301840 U CN 217301840U
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- regulating valve
- automatic regulating
- cold box
- air separation
- adjusting mechanism
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Abstract
The utility model discloses an automatic regulating valve regulating mechanism of an air separation cold box; the automatic regulating valve is flexibly arranged on a panel of the air separation cold box through a compensation structure; one end of the automatic regulating valve, which is positioned at the outer side of the panel, is provided with a valve actuating mechanism; wherein the adjusting mechanism comprises a counterweight component matched with the valve actuating mechanism; the counterweight component comprises a bracket arranged on the panel, a fixed pulley arranged on the bracket, a counterweight block with the same weight as the valve actuating mechanism, and a steel wire rope, wherein one end of the steel wire rope is connected with the valve actuating mechanism, the other end of the steel wire rope is connected with the counterweight block, and the steel wire rope penetrates through the fixed pulley. The method for matching the automatic regulating valve and the regulating mechanism arranged by the compensation structure ensures that the secondary stress of the pipelines at the front and the rear of the valve is not required to be improved by using more elbows, the equipment volume is reduced, the production cost is reduced, the equipment runs accurately and stably, and the production efficiency and the production quality are improved.
Description
Technical Field
The utility model belongs to the technical field of empty cold box equipment that divides, and especially an empty cold box automatically regulated valve adjustment mechanism that divides.
Background
The air separation device is a set of industrial equipment for separating the component gases in the air and respectively producing the oxygen, nitrogen, argon and other gases of the air components. The cold box is a group of high-efficiency, heat-insulating and cold-insulating low-temperature heat exchange equipment. The method is often adopted in the cryogenic separation process, for example, a cold box working at about-100 to-140 ℃ is adopted in the cryogenic separation process of the petroleum cracking gas. It is composed of a high-efficiency plate heat exchanger with compact structure and a gas-liquid separator. Since low temperatures are extremely cold-dispersing and require extremely tight thermal insulation, both the heat exchanger and the separator are packaged in a box-shaped object, called a cold box, with thermal insulation.
When the air separation cold box is used for piping work, because the temperature of the whole equipment and the pipeline in the cold box can be in a cryogenic state in the normal operation process, the pipeline and the equipment can generate secondary stress and cold contraction displacement, usually, a valve in the middle of the pipeline is considered to be fixed on a cold box cylinder body during piping, so that the flexibility of the pipeline before and after the valve in the cryogenic state needs to be considered, and enough elbows are generally added on the pipeline before and after the valve to form various compensation structures (such as pi-shaped bending) so as to meet the requirement that the secondary stress of the pipeline is within a specified value.
However, as the air separation becomes larger, the size of the pipeline and the equipment in the cold box also increase geometrically, and if the above method is used to meet the flexibility of the pipeline, the following problems are caused, and the secondary stress generated by the temperature difference is proportional to the pipe diameter, which means that more bends need to be added, so that the cross section of the cold box is forced to increase, the cost is greatly increased for large air separation, and the addition of more large bends may bring more difficulty to the arrangement of the pipe frame.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a method that automatic regulating valve and adjustment mechanism cooperation that set up through a compensation structure used for do not need the many elbows of reuse to remove the secondary stress who improves the pipeline around the valve, reduced equipment volume, reduced manufacturing cost, and equipment operation is accurate stable, has improved production efficiency and production quality.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
an automatic regulating valve regulating mechanism of an air separation cold box; the automatic regulating valve is flexibly arranged on a panel of the air separation cold box through a compensation structure; the compensating structure comprises a fixed assembly positioned on the panel and a flexible connecting assembly arranged between the fixed assembly and the radial direction of the automatic regulating valve; one end of the automatic regulating valve, which is positioned at the outer side of the panel, is provided with a valve actuating mechanism; wherein the adjusting mechanism comprises a counterweight component matched with the valve actuating mechanism; the counterweight component comprises a bracket arranged on the panel, a fixed pulley arranged on the bracket, a counterweight block with the same weight as the valve actuating mechanism, and a steel wire rope, wherein one end of the steel wire rope is connected with the valve actuating mechanism, the other end of the steel wire rope is connected with the counterweight block, and the steel wire rope penetrates through the fixed pulley. The automatic regulating valve is flexibly connected to the panel through the compensation structure, the compensation structure comprises a fixed assembly and a flexible connecting assembly, the fixed assembly and the automatic regulating valve are flexibly connected together through the flexible connecting assembly, secondary stress and cold contraction displacement are generated under a deep cooling state, the flexible connecting assembly can float, and the automatic regulating valve moves upwards or downwards under the action of the secondary stress; the end, located on the outer side of the panel, of the automatic regulating valve is provided with a valve actuating mechanism, so that the automatic regulating valve can be used conveniently, and in order to ensure that the automatic regulating valve can run stably and accurately under the arrangement of the compensation structure, the automatic regulating valve is provided with a counterweight component matched with the valve actuating mechanism, and the counterweight component offsets the weight of the valve actuating mechanism through a counterweight block with the same weight as the valve actuating mechanism, so that the stable and accurate running of the automatic regulating valve is ensured, and the production quality is improved; and the counterweight component consists of the fixed pulley, the bracket, the counterweight block and the steel wire rope, so that the counterweight component is simple in structure, convenient to use and low in use cost.
Furthermore, the adjusting mechanism further comprises a stabilizing assembly used for limiting the pipeline connected with one end of the inner part of the panel, wherein the stabilizing assembly is positioned on the automatic adjusting valve. In order to further ensure the stable and accurate operation of the automatic regulating valve, the pipeline is also provided with a stabilizing assembly which has a limiting effect, so that the stable operation of the equipment is ensured, and the production efficiency and the production quality are improved.
Further, the stabilizing assembly comprises a pipeline sliding frame arranged on the inner side of the panel and a sliding ring which is arranged on the pipeline sliding frame, is far away from one end of the panel and is matched with the pipeline. Simple structure and reliable use.
Furthermore, the pipeline sliding frame is provided with two sliding frames which are symmetrically arranged on the upper side and the lower side of the automatic regulating valve. Guarantee that the shrinkage displacement of pipeline can go on in order under cryrogenic state, set up from top to bottom, simple structure, the effect is more showing.
Further, the pipeline carriage comprises a first support rod arranged horizontally and a second support rod arranged obliquely. This setting, structural stability is good to guaranteed the stability of above-mentioned pipeline, guaranteed equipment steady operation, improved production efficiency and production quality.
Furthermore, an opening is formed in the side face of the sliding ring. Convenient installation, convenient to use is reliable.
Further, the support is provided with three connecting rods. The stability of structure is guaranteed, and when the shrinkage displacement was gone on, the stability of structure can not be influenced, simple structure.
Compared with the prior art, the utility model has the advantages that: the secondary stress of the pipeline in front of and behind the valve is improved without using a plurality of elbows, the volume of the equipment is reduced, the production cost is reduced, the equipment runs accurately and stably, and the production efficiency and the production quality are improved.
Drawings
Fig. 1 is the utility model relates to an empty cold box automatically regulated valve adjustment mechanism's of dividing structural schematic.
Fig. 2 is a schematic structural view of the counterweight assembly of the present invention.
In the figure:
1. an automatic regulating valve; 2. a panel; 3. a fixing assembly; 4. a flexible connection assembly; 5. a valve actuator; 6. a counterweight assembly; 7. a support; 8. a fixed pulley; 9. a balancing weight; 10. a wire rope; 11. a stabilizing assembly; 12. a pipeline; 13. a conduit carriage; 14. a slip ring; 15. a first stay bar; 16. a second stay bar; 17. and (4) opening.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and fig. 2, an embodiment of an automatic regulating valve adjusting mechanism of an air separation cold box according to the present invention is shown, in which the automatic regulating valve 1 is flexibly disposed on a panel 2 of the air separation cold box through a compensation structure; the compensation structure comprises a fixed assembly 3 positioned on the panel 2 and a flexible connecting assembly 4 arranged between the fixed assembly 3 and the automatic regulating valve 1 in the radial direction; a valve actuating mechanism 5 is arranged at one end of the automatic regulating valve 1, which is positioned at the outer side of the panel 2; wherein, the adjusting mechanism comprises a counterweight component 6 matched with the valve actuating mechanism 5; the counterweight assembly 6 comprises a bracket 7 arranged on the panel 2, a fixed pulley 8 arranged on the bracket 7, a counterweight 9 with the same weight as the valve actuating mechanism 5 and a steel wire rope 10 with one end connected with the valve actuating mechanism 5 and the other end connected with the counterweight 9 and penetrating through the fixed pulley 8. The automatic regulating valve 1 is flexibly connected to the panel 2 through a compensation structure, the compensation structure comprises a fixed assembly 3 and a flexible connecting assembly 4, the fixed assembly 3 and the automatic regulating valve 1 are flexibly connected together through the flexible connecting assembly 4, secondary stress and cold contraction displacement are generated in a deep cooling state, the flexible connecting assembly 4 can float, the automatic regulating valve 1 moves upwards or downwards under the action of the secondary stress, and after the automatic regulating valve 1 generates stable displacement under the action of the flexible connecting assembly 4 due to self-limitation of the secondary stress, the secondary stress of the whole pipeline 12 is reduced to a range allowed by a standard, a plurality of elbows are not needed for improvement, the equipment volume is reduced, and the production cost is reduced; a valve actuating mechanism 5 is arranged at one end of the automatic regulating valve 1, which is positioned at the outer side of the panel 2, so that the automatic regulating valve 1 can be conveniently used, and in order to ensure that the automatic regulating valve 1 can stably and accurately run under the arrangement of the compensation structure, a counterweight component 6 matched with the valve actuating mechanism 5 is arranged, the counterweight component 6 offsets the weight of the valve actuating mechanism 5 through a counterweight 9 which is as heavy as the valve actuating mechanism 5, so that the stable and accurate running of the automatic regulating valve 1 is ensured, and the production quality is improved; and the counterweight assembly 6 consists of a fixed pulley 8, a bracket 7, a counterweight 9 and a steel wire rope 10, and has the advantages of simple structure, convenient use and reduced use cost.
Referring to fig. 1 and fig. 2, the present invention relates to an embodiment of an automatic regulating valve regulating mechanism for an air separation cold box, in which the basic portion is consistent with the above embodiment, and is not described again here. In this embodiment, the adjusting mechanism further comprises a stabilizing assembly 11 for limiting a pipe 12 connected to one end of the self-regulating valve 1 located inside the panel 2, and in order to further ensure the stable and accurate operation of the self-regulating valve 1, the pipeline 12 is also provided with a stabilizing component 11 which has the limiting function, thereby ensuring the stable operation of the equipment, improving the production efficiency and the production quality, the stabilizing assembly 11 comprises a pipeline carriage 13 arranged at the inner side of the panel 2 and a sliding ring 14 which is arranged at one end of the pipeline carriage 13 far away from the panel 2 and is matched with the pipeline 12, the structure is simple, the pipeline sliding frames 13 are two and symmetrically arranged on the upper side and the lower side of the automatic regulating valve 1, so that cold contraction displacement of the pipeline 12 in a deep cooling state can be orderly carried out, the pipeline sliding frames are arranged up and down, the structure is simple, and the effect is more obvious; simultaneously, above-mentioned pipeline balladeur train 13 includes the first vaulting pole 15 that the level set up and the second vaulting pole 16 that the slope set up, should set up, structural stability is good, thereby the stability of above-mentioned pipeline 12 has been guaranteed, the equipment steady operation has been guaranteed, production efficiency and production quality have been improved, and above-mentioned sliding ring 14 side is equipped with an opening 17, easy to assemble, and convenient to use is reliable, above-mentioned support 7 is equipped with three connecting rod, the stability of assurance structure, when the shrinkage displacement goes on, can not influence the stability of structure, moreover, the steam generator is simple in structure.
The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (10)
1. The utility model provides an empty cold box automatically regulated valve adjustment mechanism that divides which characterized in that: the automatic regulating valve is flexibly arranged on a panel of the air separation cold box through a compensation structure; the compensating structure comprises a fixed assembly positioned on the panel and a flexible connecting assembly arranged between the fixed assembly and the radial direction of the automatic regulating valve; one end of the automatic regulating valve, which is positioned at the outer side of the panel, is provided with a valve actuating mechanism;
wherein the adjusting mechanism comprises a counterweight component matched with the valve actuating mechanism; the counterweight component comprises a bracket arranged on the panel, a fixed pulley arranged on the bracket, a counterweight block with the same weight as the valve actuating mechanism, and a steel wire rope, wherein one end of the steel wire rope is connected with the valve actuating mechanism, the other end of the steel wire rope is connected with the counterweight block, and the steel wire rope penetrates through the fixed pulley.
2. The air separation cold box automatic regulating valve adjusting mechanism according to claim 1, characterized in that: the adjusting mechanism further comprises a stabilizing assembly used for limiting a pipeline connected with one end inside the panel, wherein the stabilizing assembly is located on the automatic adjusting valve.
3. The air separation cold box automatic regulating valve adjusting mechanism according to claim 2, characterized in that: the stabilizing assembly comprises a pipeline sliding frame arranged on the inner side of the panel and a sliding ring which is arranged on the pipeline sliding frame, is far away from one end of the panel and is matched with the pipeline.
4. The air separation cold box automatic regulating valve adjusting mechanism according to claim 3, characterized in that: the pipeline sliding frame is provided with two pipeline sliding frames which are symmetrically arranged on the upper side and the lower side of the automatic regulating valve.
5. The automatic regulating valve adjusting mechanism for the air separation cold box according to claim 3 or 4, characterized in that: the pipeline sliding frame comprises a first supporting rod arranged horizontally and a second supporting rod arranged obliquely.
6. The automatic regulating valve adjusting mechanism for the air separation cold box according to claim 3 or 4, characterized in that: an opening is formed in the side face of the sliding ring.
7. The air separation cold box automatic regulating valve adjusting mechanism according to claim 5, characterized in that: an opening is formed in the side face of the sliding ring.
8. The air separation cold box automatic regulating valve adjusting mechanism according to claim 1, 2, 3, 4 or 7, characterized in that: the support is provided with three connecting rods.
9. The air separation cold box automatic regulating valve adjusting mechanism according to claim 5, characterized in that: the support is provided with three connecting rods.
10. The air separation cold box automatic regulating valve adjusting mechanism according to claim 6, characterized in that: the support is provided with three connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286400.8U CN217301840U (en) | 2021-12-24 | 2021-12-24 | Air separation cold box automatic regulating valve adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286400.8U CN217301840U (en) | 2021-12-24 | 2021-12-24 | Air separation cold box automatic regulating valve adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301840U true CN217301840U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123286400.8U Active CN217301840U (en) | 2021-12-24 | 2021-12-24 | Air separation cold box automatic regulating valve adjusting mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN217301840U (en) |
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2021
- 2021-12-24 CN CN202123286400.8U patent/CN217301840U/en active Active
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