CN220781691U - Online clear device of passing through of gas gate valve - Google Patents
Online clear device of passing through of gas gate valve Download PDFInfo
- Publication number
- CN220781691U CN220781691U CN202322313153.9U CN202322313153U CN220781691U CN 220781691 U CN220781691 U CN 220781691U CN 202322313153 U CN202322313153 U CN 202322313153U CN 220781691 U CN220781691 U CN 220781691U
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- Prior art keywords
- valve
- gas gate
- gas
- gate valve
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 239000002893 slag Substances 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 239000012535 impurity Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002000 scavenging effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to an online clearing device for a gas gate valve, which is characterized by comprising a sealing valve and a slag discharging valve which are arranged at the bottom of the gas gate valve in series, wherein an interface flange is arranged on the sealing valve, the upper surface of the interface flange is connected to the bottom end of a drain outlet of the valve at the bottom of the gas gate valve, a three-way pipe joint is arranged below the sealing valve, the slag discharging valve is arranged below the three-way pipe joint, a cleaning valve is arranged in the middle of the three-way pipe joint, and a steam pipeline is arranged at the other end of the cleaning valve: the operation is simple and convenient, the safety and reliability are realized, the workload of operators is small, the working efficiency is high, the double sealing protection is realized, the safety is higher, and the life safety of the operators is effectively ensured.
Description
Technical Field
The utility model relates to the technical field of coking, in particular to an online cleaning device for an air valve.
Background
The safety operation of the gas gate valve in the pipelines of the gas equipment such as the recovery saturator, the electric puff, the desulfurizing tower and the like is related to whether the whole production equipment is operated safely or not and whether the life safety of on-site operators is ensured or not, so the gas gate valve needs to be cleaned and maintained regularly.
The traditional gas gate valve cleaning work needs to be provided with a blind plate in a gas pipeline to prevent gas leakage, sometimes needs to stop production of the whole process device, has low cleaning efficiency, large manual work load and high cleaning risk, and the production stopping operation needs to carry out treatment such as diffusing the residual gas in a gas pipe, so that the environment is polluted, the waste is serious, and even though the treatment mode still has the operation risks such as gas poisoning, environmental pollution and the like, potential safety hazards are brought to subsequent production.
Disclosure of Invention
The utility model provides an on-line clearing device for a gas gate valve, which aims to solve the technical problem of on-line clearing of the gas gate valve.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides an online clear device that thoroughly of gas gate valve, includes gas gate valve bottom series connection and sets up closed valve and sediment valve, closed valve above set up the interface flange, the top of interface flange is connected to the bottom of gas gate valve bottom valve drain, sets up the tee bend coupling below the closed valve, sets up sediment valve below the tee bend coupling, sets up the cleaning valve in the middle of the tee bend coupling, the cleaning valve other end sets up steam conduit.
Further, the closed valve and the slag discharging valve are opened and closed in a differential mode, the closed valve is opened when the gas gate valve is completely cleaned, the slag discharging valve is closed, and after the cleaning is completed, the closed valve is closed, and the slag discharging valve is opened.
Further, when the gas gate valve is thoroughly cleaned, the gas gate valve gate plate opens a gap for containing tar, coke powder and other impurities to flow down, and the width of the gap is 0.5-1 mm.
Further, the size of the upper end flange of the interface flange is manufactured according to the size of the bottom end flange of the valve drain outlet, and the size of the lower end flange is manufactured according to the size of the closed valve flange.
Furthermore, gate valves are selected for the closed valve and the deslagging valve.
Furthermore, when the scavenging valve is used for scavenging the gas gate valve, the pressure of high-temperature steam which is introduced is larger than the pressure of the gas, and the introducing time is 20-25 minutes.
Compared with the prior art, the utility model has the beneficial effects that:
1. the method realizes the non-dismantling on-line clearing of the gas gate valve, solves the production hidden trouble of gas leakage caused by the untight closing of the gas gate valve due to more blocking impurities in the valve, ensures the personal safety of on-site staff, can be applied to the gas gate valve in a gas purifying operation area, and has huge economic benefit.
2. The online clearing operation is simple and convenient, the safety and reliability are realized, the workload of operators is small, the working efficiency is high, the double sealing protection is realized, the safety is higher, and the life safety of the operators is effectively ensured.
3. Effectively remove tar, coke powder and other impurities at the bottom of the gas gate valve and in the valve body, clean and thoroughly, and provide safety guarantee for the operation and maintenance of gas equipment.
Drawings
FIG. 1 is a schematic diagram of an on-line cleaning device for an air brake valve according to the present utility model.
In the figure: 1. the gas gate valve 2, the flashboard 3, the interface flange 4, the sealing valve 5, the blow-down valve 6 and the steam pipeline
7. The cleaning valve 8, the three-way pipe joint 9, the valve drain 10 and the valve cavity
Description of the embodiments
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1, an on-line cleaning device for an air gate valve has the following working principle: the sealing valve 4 and the deslagging valve 5 are connected in series through the drain outlet 9 of the bottom valve of the gas gate valve 1, the sealing valve 4 and the deslagging valve 5 are opened and closed in a differential mode, the sealing valve 4 is opened when the gas gate valve 1 is completely cleaned, the deslagging valve 5 is closed, the flashboard 2 of the gas gate valve 1 is opened for caulking, steam is introduced into the cleaning valve 7 to heat, impurities such as tar, coke powder and the like in the bottom of the gas gate valve 1, the surface of the flashboard 2 and the inner wall of the valve cavity 10 of the flashboard 2 flow down from the caulking, are accumulated on the deslagging valve 5, the cleaning valve 7 is closed, the sealing valve 4 is closed, the gas gate valve 1 is closed, and the drain valve 5 is opened to drain the impurities such as the tar, the coke powder and the like which are cleaned.
As shown in figure 1, an on-line clearing device for an air gate valve comprises a sealing valve 4 and a deslagging valve 5 which are arranged in series at the bottom 1 of the air gate valve, wherein the sealing valve 4 is arranged on the upper part, the deslagging valve 5 is arranged on the lower part, the two valves are arranged in series, an open-close state is always kept in the cleaning process to prevent gas leakage, an interface flange 3 is arranged on the sealing valve 4, the upper surface of the interface flange 3 is connected to the bottom end of a valve drain 9 at the bottom of the air gate valve 1, the flange at the upper end of the interface flange 3 is connected with a flange outside the valve drain 9, the flange at the lower end is connected with the flange of the sealing valve 4, a three-way pipe joint 8 is arranged at the other side of the sealing valve 4, the deslagging valve 5 is arranged at the other side of the three-way pipe joint 8, a cleaning valve 7 is arranged at the middle section of the three-way pipe joint 8, the three directions are respectively connected with the sealing valve 4 and the flange of the deslagging valve 5 and the cleaning valve 7, a steam pipeline 6 is arranged at the other end of the cleaning valve 7, steam pipeline 6 is communicated with steam, the steam pipeline 6 is used as a main medium for cleaning the air gate valve, and impurities such as tar and coke powder adhered to the inner wall of the gate valve 2, the valve and the coke powder of the air gate 1 are softened by steam.
Further, the sealing valve 4 and the deslagging valve 5 are opened and closed differentially, the sealing valve 4 is opened when the gas gate valve 1 is completely cleaned, the deslagging valve 5 is closed, after the completion of cleaning, the sealing valve 4 is closed, the deslagging valve 5 is opened, the sealing valve 4 and the deslagging valve 5 are opened and closed differentially, the gas gate valve 1 is ensured to be completely cleaned on line without stopping gas, the sealing valve 4 is opened when the gas gate valve 1 is completely cleaned, the deslagging valve 5 is closed, the deslagging valve 5 forms a first sealing for gas, meanwhile, the inside of the gas gate valve 1 is filled with steam, the pressure of the steam is higher than the pressure of the gas, the steam forms positive pressure for the gas gate valve 1, the steam forms a second sealing for the gas, thus the positive pressure of the steam and the deslagging valve 5 form a double sealing effect for the gas in the valve cavity 10, the gas leakage caused by micro-opening of the clean Cheng Zhongmei gas gate valve 1 is prevented, after the completion of cleaning, the deslagging valve 5 is opened, the gas gate valve 1 is completely closed, and the cleaned impurities are discharged from the deslagging valve 5, the sealing valve 4 and the gas gate valve 1 form the same sealing effect for gas leakage, thereby preventing the gas from endangering the environment, and protecting the life.
Further, when the gas gate valve 1 is thoroughly cleaned, the gate plate 2 of the gas gate valve 1 is opened to form a gap for containing impurities such as tar, coke powder and the like, the width of the gap is 0.5-1 mm, when the gas gate valve 1 is thoroughly cleaned, the gate plate 2 of the gas gate valve 1 is lightly opened to form a gap for containing impurities such as tar, coke powder and the like which are adhered from the inner wall of the valve cavity 10, the surface of the gate plate 2 and the bottom of the gas gate valve 1, and the like, and after the impurities are softened and mixed by introducing steam to form flowing impurities, the impurities flow down along the valve wall, flow into the valve drain 9 through the gap of the gate plate 2, flow into the upper end of the slag discharging valve 5 through the sealing valve 4, are received by the closed slag discharging valve 5, and after the gas gate valve 1 is thoroughly cleaned, the gas gate valve 1 and the sealing valve 4 are closed, the slag discharging valve 5 is opened, and the impurities are discharged.
Further, the upper end flange of the interface flange 3 is manufactured according to the bottom end flange of the valve drain outlet 9, and the lower end flange is manufactured according to the flange of the closed valve 4.
Furthermore, the sealing valve 4 and the deslagging valve 5 are gate valves, the gate valves are easy to open and close, the maintenance is simple, and the replacement is convenient.
Furthermore, when the scavenging valve 7 is used for scavenging the gas gate valve 1, the pressure of the steam introduced is larger than the pressure of the gas, the introducing time is 20-25 minutes, the steam pressure is required to be larger than the pressure of the gas, a positive pressure seal is formed for the gas gate valve, and the gas is prevented from leaking in the state of slightly opening the gas gate valve.
The working method of the on-line ventilation device of the gas gate valve is as follows: when the gas gate valve 1 needs to be cleaned on line for a certain period of time, the gas gate valve 1 is closed, the gate plate 2 is not tightly closed, a certain gap is reserved between the gate plate 2 and the valve bottom of the gas gate valve 1, the slag discharging valve 5 is closed, the sealing valve 4 is opened, the sweeping valve 7 is opened, steam is introduced, the pressure of the steam is higher than that of the gas in the valve cavity 10, the steam positive pressure and the slag discharging valve 5 form double sealing on the gas in the valve cavity 10, meanwhile, the high temperature of the steam heats and softens the impurities on the valve bottom, the surface of the gate plate 2 and the inner wall of the valve cavity 10, the impurities such as tar and coke powder adhered on the surface are softened and mixed, the high temperature enables the impurities to form fluid, the first direct current flows to the upper surface of the slag discharging valve 5 along the gap reserved by the gate plate 2, after the cleaning of the gas gate valve 1 is finished, the gas gate valve 1 and the sealing valve 4 are closed, the cleaning valve 7 is closed, the gas gate valve 1 and the sealing valve 4 form double sealing again on the gas in the valve cavity 10, the impurities discharged from the slag discharging valve 5 are closed again, the slag discharging valve 5 is closed again, the slag discharging valve 1 is opened, the slag discharging 1 is smoothly, the gas leakage is guaranteed through the gas gate valve 4 and the gas in the valve cavity 10 is ensured, and the environment is not completely sealed, and the environment is ensured, and the gas is not completely sealed by the sealing the gas valve is completely and completely sealed,
the following examples are carried out on the premise of the technical scheme of the utility model, and detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the following examples, and all methods used in the following examples are conventional methods unless specifically stated.
Examples
As shown in fig. 1, the interface flange 3 and the three-way pipe joint 8 are manufactured according to design requirements, and the interface flange 3 is connected to a flange of a valve drain outlet 9 at the bottom of the gas gate valve 1.
As shown in fig. 1, the lower end of the interface flange 3 is provided with a closed valve 4, the lower end of the closed valve 4 is provided with a three-way pipe joint 8, the lower end of the three-way pipe joint 8 is provided with a slag discharging valve 5, the middle section of the three-way pipe joint 8 is provided with a cleaning valve 7, and the other point of the cleaning valve 7 is provided with a steam pipeline 6.
When the gas gate valve 1 is thoroughly cleaned, the gate plate 2 of the gas gate valve 1 is closed, a certain gap is reserved between the gate plate 2 and the bottom of the gas gate valve 1, the slag discharge valve 5 is closed, the sealing valve 4 is opened, the cleaning valve 7 is opened, steam is introduced, the pressure of the steam is higher than the pressure of gas in the valve cavity 10, after the steam passes through the cleaning valve for 25 minutes, the adhered tar, coke powder and other impurities are softened and mixed to form a fluid, and the fluid flows to the upper surface of the slag discharge valve 5 along the gap one reserved by the gate plate 2.
After the gas gate valve 1 is completely cleaned, the gas gate valve 1 and the sealing valve 4 are closed, the cleaning valve 7 is closed, the slag discharging valve 5 is opened, and the cleaned impurities are discharged from the slag discharging valve 5.
After all the operation is completed, the slag discharging valve 5 is closed, the closing valve 4 and the cleaning valve 7 are kept in the closed state, the gas gate valve 1 is opened, the gas smoothly passes through, and the normal operation of the gas equipment is ensured.
The utility model has the advantages of simple and convenient operation, safety, reliability, small workload of operators, high working efficiency, double closed protection, higher safety and effective guarantee of the life safety of the operators.
Claims (6)
1. The utility model provides an online clear device that thoroughly of gas gate valve, its characterized in that includes gas gate valve bottom series connection and sets up sealing valve and sediment valve, sealing valve above set up the interface flange, the top of interface flange is connected to the bottom of gas gate valve bottom valve drain, sets up the tee bend coupling below sealing valve, sets up sediment valve below the tee bend coupling, sets up the cleaning valve in the middle of the tee bend coupling, the cleaning valve other end sets up steam conduit.
2. The device for on-line cleaning and thoroughly removing the gas gate valve according to claim 1, wherein the sealing valve and the slag discharging valve are opened and closed differentially, the sealing valve is opened when the gas gate valve is thoroughly cleaned, the slag discharging valve is closed, and after the completion of cleaning, the sealing valve is closed, and the slag discharging valve is opened.
3. The on-line cleaning device for the gas gate valve according to claim 2, wherein when the gas gate valve is cleaned, a gap containing tar, coke powder and other impurities is opened by a gate plate of the gas gate valve, and the width of the gap is 0.5-1 mm.
4. The on-line purging device for a gas gate valve as defined in claim 1, wherein the upper flange of the interface flange is sized according to the size of the bottom flange of the valve drain outlet and the lower flange is sized according to the size of the closure valve flange.
5. The on-line cleaning device for the gas gate valve according to claim 1, wherein the closing valve and the slag discharging valve are gate valves.
6. The online cleaning device for the gas gate valve according to claim 1, wherein the pressure of high-temperature steam introduced when the cleaning valve cleans the gas gate valve is greater than the pressure of gas, and the introducing time is 20-25 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322313153.9U CN220781691U (en) | 2023-08-28 | 2023-08-28 | Online clear device of passing through of gas gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322313153.9U CN220781691U (en) | 2023-08-28 | 2023-08-28 | Online clear device of passing through of gas gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220781691U true CN220781691U (en) | 2024-04-16 |
Family
ID=90661897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322313153.9U Active CN220781691U (en) | 2023-08-28 | 2023-08-28 | Online clear device of passing through of gas gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220781691U (en) |
-
2023
- 2023-08-28 CN CN202322313153.9U patent/CN220781691U/en active Active
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| GR01 | Patent grant | ||
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