CN201301995Y - A three-way reversing valve - Google Patents
A three-way reversing valve Download PDFInfo
- Publication number
- CN201301995Y CN201301995Y CNU2008201356579U CN200820135657U CN201301995Y CN 201301995 Y CN201301995 Y CN 201301995Y CN U2008201356579 U CNU2008201356579 U CN U2008201356579U CN 200820135657 U CN200820135657 U CN 200820135657U CN 201301995 Y CN201301995 Y CN 201301995Y
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- CN
- China
- Prior art keywords
- valve body
- reversing valve
- observation hole
- utility
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a three-way reversing valve, which comprises a reversing valve body (1), an observation hole (2) arranged on the lower part of the valve body and a cleaning observation hole (3) arranged on the upper part of the reversing valve body (1). In the utility model, the cleaning observation hole is arranged on the lateral side of a middle air inlet hole of the reversing valve body; the cleaning observation hole can be opened during periodic maintenance and acid sludge deposited in the valve body can be cleaned in time; so the valve plate is ensured to close normally and effectively prevent unconverted SO2 from entering absorption tower; thereby, the system conversion rate and absorption rate are improved; the erosion on valve body and pipelines are reduced; meanwhile, the tail gas treatment efficiency is improved and the influence on atmospheric environment is reduced.
Description
Technical field
The utility model belongs to a kind of selector valve, is chiefly directed to the observation cleaning eye is set on a kind of three-way diverter valve.
Background technique
Utilize the low dense unsteady state acid-making process of gas, need SO
2, SO
3With three hydraulic pressure triplet commutations of cold shock valve regulation converter turnover gas direction.Because the process characteristic of unsteady state relieving haperacidity causes the easy efflorescence of catalyst, the catalyst grains after the efflorescence enters three-way diverter valve with gas.SO
3Gas easily forms condensation acid because of lowering the temperature, and combines the back with catalyst grains and forms sour mud attached on valve bottom, turnover gas flange and the valve plate.On converter during air inlet, SO
3Selector valve closes down on being and opens, and dust falls into the valve body bottom deposit with gas, the bottom peep hole can be opened during periodical repair dust is removed.Under converter during air inlet, SO
3Selector valve is for closing out down, and dust falls into the valve plate upper surface with gas and is combined into sour mud with condensation acid and is bonded on the movable valve plate, clears up owing to can't in time open valve, and it is can't close tight when closing on the valve plate and cause SO that the long-term accumulation meeting of mud shape thing causes air inlet
2Flue gas is unconverted to enter the absorption tower, thereby not only cause the converter end region temperature to reduce a large amount of condensation acid of too fast formation to valve body and pipeline heavy corrosion, and system's conversion ratio, absorptivity are significantly reduced, thereby finally cause tail gas can not qualified discharge or the vent gas treatment difficulty cause befouling environment.
Summary of the invention
The purpose of this utility model provides a kind of three-way diverter valve, and it overhauls convenient, can in time clear up the sour mud of valve body inside deposition, improves system condition.
The purpose of this utility model can adopt following technological scheme to realize: it comprises the commutation valve body, and the bottom of valve body is provided with peep hole, is provided with the cleaning peep hole at commutation valve body middle part.
Described cleaning peep hole is arranged on the side of commutation valve body middle part inlet hole.
The utility model can be opened this peep hole when periodical repair owing to be provided with the cleaning peep hole in the side of commutation valve body middle part inlet hole, in time clears up the sour mud of valve body inside deposition, makes the valve plate can be normally airtight, effectively prevents the not SO through transforming
2Gas enters the absorption tower, thereby reduces valve body and Corrosion of Pipeline, and improves conversion ratio, absorptivity and vent gas treatment efficient, makes SO
2But flue gas is fully transformed qualified discharge after the recovery, reduces the influence to atmosphere environment.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Among the figure: 1, commutation valve body, 2, peep hole, 3, the cleaning peep hole, 4, inlet hole.
Embodiment
In conjunction with the accompanying drawings, specific embodiment of the utility model is described.
As shown in Figure 1:
The utility model discloses a kind of sulfur trioxide selector valve, it comprises commutation valve body (1), and the bottom of valve body is provided with peep hole (2), is provided with cleaning peep hole (3) on commutation valve body (1) top.The utility model can be opened this peep hole when periodical repair owing to be provided with the cleaning peep hole in the side of commutation valve body middle part inlet hole, in time clears up the sour mud of valve body inside deposition, make valve plate can be normally airtight after, effectively prevent not SO through conversion
2Gas enters the absorption tower, improves system's conversion ratio, absorptivity, weakens the corrosion to equipment such as valve body and pipelines, improves the treatment effeciency to tail gas, reduces the influence to atmosphere environment.
Claims (2)
1, a kind of three-way diverter valve, it comprises commutation valve body (1), the bottom of valve body is provided with peep hole (2), it is characterized in that: commutation valve body (1) is provided with cleaning peep hole (3).
2, three-way diverter valve according to claim 1 is characterized in that: described cleaning peep hole (3) is arranged on the side of commutation valve body (1) middle part inlet hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201356579U CN201301995Y (en) | 2008-10-06 | 2008-10-06 | A three-way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201356579U CN201301995Y (en) | 2008-10-06 | 2008-10-06 | A three-way reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301995Y true CN201301995Y (en) | 2009-09-02 |
Family
ID=41085621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201356579U Expired - Fee Related CN201301995Y (en) | 2008-10-06 | 2008-10-06 | A three-way reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201301995Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287564A (en) * | 2011-08-02 | 2011-12-21 | 新兴铸管股份有限公司 | Valve |
| CN102644764A (en) * | 2012-04-03 | 2012-08-22 | 新兴能源装备股份有限公司 | Large-diameter plunger-type quick cut-off reversing valve |
| CN102734499A (en) * | 2011-04-01 | 2012-10-17 | 淄博淄柴新能源有限公司 | Large-drift-diameter movable plate type four-way reversing device |
| CN103899788A (en) * | 2014-03-11 | 2014-07-02 | 哈尔滨工程大学 | Pneumatic type automatic control three-way valve |
-
2008
- 2008-10-06 CN CNU2008201356579U patent/CN201301995Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734499A (en) * | 2011-04-01 | 2012-10-17 | 淄博淄柴新能源有限公司 | Large-drift-diameter movable plate type four-way reversing device |
| CN102287564A (en) * | 2011-08-02 | 2011-12-21 | 新兴铸管股份有限公司 | Valve |
| CN102644764A (en) * | 2012-04-03 | 2012-08-22 | 新兴能源装备股份有限公司 | Large-diameter plunger-type quick cut-off reversing valve |
| CN103899788A (en) * | 2014-03-11 | 2014-07-02 | 哈尔滨工程大学 | Pneumatic type automatic control three-way valve |
| CN103899788B (en) * | 2014-03-11 | 2016-08-17 | 哈尔滨工程大学 | Pneumatic type automatic control tee valve door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20121006 |