CN203477758U - Equipment protecting device for preventing leakage of pressure gas in cold box of fractionating tower of air separating device - Google Patents
Equipment protecting device for preventing leakage of pressure gas in cold box of fractionating tower of air separating device Download PDFInfo
- Publication number
- CN203477758U CN203477758U CN201320435899.0U CN201320435899U CN203477758U CN 203477758 U CN203477758 U CN 203477758U CN 201320435899 U CN201320435899 U CN 201320435899U CN 203477758 U CN203477758 U CN 203477758U
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- silk screen
- equipment
- flange connecting
- pipeline
- protective coating
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Abstract
The utility model discloses an equipment protecting device for preventing leakage of pressure gas in a cold box of a fractionating tower of an air separating device. Pressure gas pipes, a flange connecting device for connecting the pipes and a perlite insulation material are arranged inside the cold box; the flange connecting device is enwrapped with a protecting layer consisting of at least two layers of screens; the protecting layer is axially arranged along the pipes at the two ends of the flange connecting device; two ends of the protecting layer is fixed on the pipes at the two ends of the flange connecting device by using clamping devices; the protecting layer is formed by combining an inner main contact protecting screen and two outer tight high-mesh screens; the two ends of the protecting layer are tightly fixed on the pipes through the three clamping devices and are sealed. The equipment protecting device has the characteristics as follows: the equipment protecting device is simple in structure and low in cost; in normal circumstances, the equipment protecting device is only used as a protective device and does not affect the operation of equipment, does not increase the energy consumption, and can improve the safety of the equipment.
Description
Technical field
The utility model relates to a kind of equipment protecting device of air separation facility fractionation tower ice chest internal pressure Leakage Gas.
Background technique
There is following problems in existing cold box of air separation unit inner flange Connecting format: because equipment, when piping flange surface of contact leaks, Low-temperature pressure gas is carried thermal insulating material pearlife cutting surrounding devices secretly, pipeline, thereby cause a serious accident, during simultaneously because of air separation facility rewarming, thermal insulating material pearlife along with air-flow by flange contact facings suck-back pearlife to equipment, this part pearlife is at air separation plant plate type heat exchanger, in the little heat transfer space in Shan of the heat transmission equipments such as subcooler, gather, stop up heat transfer space, thereby plate type heat exchanger heat exchange efficiency is declined greatly, distribution of air flow is irregular or cause the problems such as the not enough cold damage of re-heat.
Model utility content
The purpose of this utility model is to overcome the deficiency that prior art exists, and provide a kind of simple in structure, cost is low, in the time of can effectively avoiding equipment, piping flange surface of contact to leak, Low-temperature pressure gas is carried thermal insulating material pearlife cutting surrounding devices, pipeline secretly, thereby cause a serious accident, in the time of can effectively avoiding because of air separation facility rewarming, thermal insulating material pearlife is the equipment protecting device to the air separation facility fractionation tower ice chest internal pressure Leakage Gas of the technical problems such as equipment by flange contact facings suck-back pearlife simultaneously.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the equipment protecting device of a kind of air separation facility fractionation tower ice chest internal pressure Leakage Gas described in the utility model, is furnished with the pipeline of pressed gas, the flange connecting apparatus of connecting tube and pearlife thermal insulating material in described ice chest; Described flange connecting apparatus coated outside is by the protective coating being at least comprised of two-layer silk screen, and described protective coating is arranged along the pipeline axial at flange connecting apparatus two ends, and is fixed on the pipeline at flange connecting apparatus two ends with clip clamping device at the two ends of protective coating.
Described protective coating is combined by the main contact protection silk screen of the inside one deck and the fastening high order silk screen of two outside layers, and the two ends of described protective coating are fastened on pipeline also airtight with three layers of clip clamping device.
Described main contact protection silk screen and two-layer fastening high order silk screen are stainless steel metal silk screen, and described main contact protection silk screen and two-layer fastening high order silk screen be evenly distributed on pipeline and flange connecting apparatus outer wall, its silk screen be axially connected to seamless link.
Three layers of clip clamping device are threaded adjusting clip, can take off whole air separation facility fractionation tower ice chest internal pressure Leakage Gas equipment protecting device by threaded adjusting clip, and double thread is cold tightly, the work of dismounting.
The utility model is mainly to utilize detailed catalogue grid stainless steel metal structure directive injection is converted into On The Drug Release dispersion, reduction of speed to pressed gas medium, and stopping by detailed catalogue grid stainless steel metal structure when air separation plant rewarming, can effectively filter air separation plant pearlife, avoid thermal insulating material pearlife to pass through flange contact facings suck-back pearlife to the problem of equipment.
The utlity model has following advantage: simple in structure, cost is low, protects the safety of pipeline and equipment in the time of can making Low-temperature pressure Leakage Gas.In the time of can effectively avoiding because of air separation facility rewarming, thermal insulating material pearlife by flange contact facings gap suck-back pearlife to the problem in equipment.Only as protective equipment, do not affect the operation of equipment, do not increase energy consumption under normal circumstances, improve the Security of equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure enlarged view of main contact protection silk screen described in the utility model and two-layer fastening high order silk screen.
Fig. 3 is the structure enlarged view of the three layers of clip clamping device in protective coating described in the utility model two ends.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Shown in Fig. 1, the equipment protecting device of a kind of air separation facility fractionation tower ice chest internal pressure Leakage Gas described in the utility model, in wherein said ice chest, be furnished with the pipeline 1 of pressed gas, the flange connecting apparatus 3 of connecting tube and pearlife thermal insulating material 7, described flange connecting apparatus 3 coated outside are by the protective coating being at least comprised of two-layer silk screen, and described protective coating is axial arranged along the pipeline 1 at flange connecting apparatus 3 two ends, and be fixed on the pipeline 1 at flange connecting apparatus 3 two ends with clip clamping device 6 at the two ends of protective coating.
Shown in Fig. 1,2, described protective coating is combined by the main contact protection silk screen 2 of the inside one deck and the fastening high order silk screen 4,5 of two outside layers, and the two ends of described protective coating are fastened on pipeline also airtight with three layers of clip clamping device 6, as shown in Figure 3.
Main contact protection silk screen 2 described in the utility model and two-layer fastening high order silk screen 4,5 are stainless steel metal silk screen, and silk screen 2 is protected in described main contact and two-layer fastening high order silk screen 4,5 is evenly distributed on pipeline 1 and flange connecting apparatus 3 outer walls.
Embodiment 1: as shown in Figure 1, air separation facility fractionation tower ice chest internal pressure Leakage Gas equipment protecting device of the present utility model comprises the clamping device 6 at main contact protection silk screen 2 and two-layer fastening high order silk screen 4,5 and two ends, airtight with three layers of clip clamping device 6 at described main contact protection silk screen 2 and two-layer fastening high order silk screen 4,5 two ends, and single unit system is finally all placed in the middle of air separation plant pearlife thermal insulating material 7.Because bolted flange arrangement 3 can be former thereby make junction surface not tight because air separation facility expand with heat and contract with cold, thereby cause Leakage Gas, when leaking generation, on main contact protection canvas, be covered with tiny hole for discharge pressure gas and diffusing air current direction, fastening high order silk screen is for guaranteeing the stable of main contact protection canvas self, and three layers of clip clamping device at two ends prevent the axial motion of whole device.Thereby the gas of avoiding air separation plant leakage point is carried the e-quipment and pipe of pearlife polishing periphery secretly.While occurring as above after problem that main contact protection silk screen 2 can effectively be avoided because of air separation facility rewarming, thermal insulating material pearlife by flange contact facings gap suck-back pearlife to the problem in equipment.Main contact protection silk screen 2 can effectively filter the gas entering in air separation plant and not contain pearlife.
Specific operation are, install bolted flange arrangement 3 and complete cold tight after, air separation facility fractionation tower ice chest internal pressure Leakage Gas equipment protecting device just can be installed.
Claims (3)
1. the equipment protecting device of an air separation facility fractionation tower ice chest internal pressure Leakage Gas, in described ice chest, be furnished with the pipeline of pressed gas, the flange connecting apparatus of connecting tube and pearlife thermal insulating material, it is characterized in that described flange connecting apparatus (3) coated outside is by the protective coating being at least comprised of two-layer silk screen, and described protective coating is axial arranged along the pipeline (1) at flange connecting apparatus (3) two ends, and be fixed on the pipeline (1) at flange connecting apparatus (3) two ends at the clip clamping device for two ends (6) of protective coating.
2. the equipment protecting device of air separation facility fractionation tower ice chest internal pressure Leakage Gas according to claim 1, it is characterized in that described protective coating is combined by the main contact protection silk screen (2) of the inside one deck and the fastening high order silk screen of two outside layers (4,5), the two ends of described protective coating are fastened on pipeline also airtight with three layers of clip clamping device (6).
3. the equipment protecting device of air separation facility fractionation tower ice chest internal pressure Leakage Gas according to claim 2, it is characterized in that described main contact protection silk screen (2) and two-layer fastening high order silk screen (4,5) are stainless steel metal silk screen, and silk screen (2) is protected in described main contact and two-layer fastening high order silk screen (4,5) is evenly distributed on pipeline (1) and flange connecting apparatus (3) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320435899.0U CN203477758U (en) | 2013-07-22 | 2013-07-22 | Equipment protecting device for preventing leakage of pressure gas in cold box of fractionating tower of air separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320435899.0U CN203477758U (en) | 2013-07-22 | 2013-07-22 | Equipment protecting device for preventing leakage of pressure gas in cold box of fractionating tower of air separating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477758U true CN203477758U (en) | 2014-03-12 |
Family
ID=50226089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320435899.0U Withdrawn - After Issue CN203477758U (en) | 2013-07-22 | 2013-07-22 | Equipment protecting device for preventing leakage of pressure gas in cold box of fractionating tower of air separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363247A (en) * | 2013-07-22 | 2013-10-23 | 杭州杭氧股份有限公司 | Protective device for preventing leakage of pressure gas inside cold box of air separation device distillation tower |
-
2013
- 2013-07-22 CN CN201320435899.0U patent/CN203477758U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363247A (en) * | 2013-07-22 | 2013-10-23 | 杭州杭氧股份有限公司 | Protective device for preventing leakage of pressure gas inside cold box of air separation device distillation tower |
| CN103363247B (en) * | 2013-07-22 | 2016-01-13 | 杭州杭氧股份有限公司 | A kind of equipment protecting device of air separation facility fractionation tower ice chest internal pressure Leakage Gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160113 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |