CN105042181A - Control valve suitable for high-temperature concentrated sulfuric acid - Google Patents
Control valve suitable for high-temperature concentrated sulfuric acid Download PDFInfo
- Publication number
- CN105042181A CN105042181A CN201510386989.9A CN201510386989A CN105042181A CN 105042181 A CN105042181 A CN 105042181A CN 201510386989 A CN201510386989 A CN 201510386989A CN 105042181 A CN105042181 A CN 105042181A
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- CN
- China
- Prior art keywords
- valve body
- valve
- sulfuric acid
- concentrated sulfuric
- inlet passage
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
The invention relates to a control valve suitable for high-temperature concentrated sulfuric acid. According to the specific technical scheme, the control valve suitable for the high-temperature concentrated sulfuric acid comprises a columnar valve body and a valve deck. The axial end of the valve body is connected with the valve deck, and the other end of the valve body is provided with a medium inlet channel. The valve body is provided with a centrifugal stirring room, and a stirring paddle is arranged in the centrifugal stirring room. A driving mechanism is arranged at the joint of the valve body and the valve deck. The driving mechanism is in linkage connection with the stirring paddle through a stirring shaft. The side edge of the valve body is communicated with the centrifugal stirring room and a medium output channel arranged parallel to the valve body. The inner wall of the medium inlet channel and the inner wall of the medium outlet channel are provided with teflon anti-corrosion layers, the stirring paddle and the stirring shaft are connected through a coupler, an installation sleeve is arranged between the coupler and the inner wall of the valve body, and a teflon anti-corrosion sealing ring is arranged between the inner wall of the valve body and the installation sleeve. By means of the technical scheme, the control valve suitable for the high-temperature concentrated sulfuric acid is long in service life and convenient to demount and mount.
Description
Technical field
The present invention relates to a kind of control valve, particularly a kind of control valve being applicable to high-temperature concentrated sulfuric acid.
Background technique
High-temperature concentrated sulfuric acid control valve is a kind of control valve being applicable to implement concentrated sulfuric acid solution extraction, it is primarily of valve body and the valve gap that is connected with valve body, valve body is Cylindrical object, its axial one end is connected with valve gap, the other end is provided with medium inlet passage, valve body is provided with centrifugal mixer room, these centrifugal mixer indoor are provided with paddle, the joint of valve body and valve body is provided with driving mechanism, be connected by stirring shaft between driving mechanism and paddle, the side of valve body is provided with mixing chamber's conducting and the medium output channel be arranged in parallel with valve body.
Use because above-mentioned valve is in the operating mode with the concentrated sulphuric scid, the concentrated sulphuric scid has stronger corrosivity, and impact valve inwall for a long time, valve inner wall corrosion can be caused to break, and therefore, the working life of this type of valve is shorter, needs often to change.
Summary of the invention
For the deficiency that prior art exists, the invention provides that a kind of long service life, structure are simple, the control valve being applicable to high-temperature concentrated sulfuric acid of easy accessibility.
For achieving the above object, the invention provides following technological scheme: a kind of control valve being applicable to high-temperature concentrated sulfuric acid, the valve gap including valve body and be connected with valve body, valve body is Cylindrical object, its axial one end is connected with valve gap, the other end is provided with medium inlet passage, valve body is provided with centrifugal mixer room, these centrifugal mixer indoor are provided with paddle, the joint of valve body and valve gap is provided with driving mechanism, be connected by stirring shaft between driving mechanism and paddle, the side of valve body is provided with the conducting of centrifugal mixer room and the medium output channel be arranged in parallel with valve body, it is characterized in that: described medium inlet passage and the inwall of medium output channel are respectively equipped with anticorrosive PTFE layer, be connected by coupling between paddle with stirring shaft, installation sleeve is provided with between coupling and the inwall of valve body, anticorrosive PTFE seal ring is provided with between the inwall of valve body and installation sleeve.
Adopt technique scheme, by arranging anticorrosive PTFE layer on the inwall of medium inlet passage and medium output channel, can prevent concentrated sulfuric acid solution from causing corrosion to medium inlet passage and medium output channel, thus extending the working life of valve body; What between coupling and valve body, the setting of installation sleeve made coupling Absorbable organic halogens is installed in valve body, is provided with anticorrosive PTFE seal ring between the inwall of valve body and installation sleeve, can prevent the concentrated sulphuric scid from being flowed out by valve body and implement corrosion to stirring shaft.
The present invention is set to further: the centrifugal mixer room of valve body and one end of medium inlet passage conducting are provided with construction opening, and medium inlet passage is installed on this construction opening place by flange.
Adopt technique scheme, the dismounting be convenient between medium inlet passage and valve body is set like this, be convenient to implement to change to paddle.
The present invention is further set to: valve body is provided with the dunnage for the erection of medium output channel.
Adopt technique scheme, arrange like this and can make stable being set up on valve body of medium output channel.
The present invention is further set to: medium inlet passage is media inlet end relative to the other end being connected one end with valve body, this media inlet end is cylinder, the outer circumferential face of this cylinder offers the bar shaped groove that some are impelled medium inlet passage and turned on outside.
Adopt technique scheme, arrange like this and be convenient to implement to extract to the concentrated sulphuric scid.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
A kind of control valve being applicable to high-temperature concentrated sulfuric acid as shown in Figure 1, the valve gap 2 including valve body 1 and be connected with valve body 1, valve body 1 is Cylindrical object, its axial one end is connected with valve gap 2, the other end is provided with medium inlet passage 3, valve body 1 is provided with centrifugal mixer room 11, paddle 4 is provided with in this centrifugal mixer room 11, valve body 1 is provided with driving mechanism 5 with the joint of valve gap 2, driving mechanism 5 can motor or electric actuator, be connected by stirring shaft 6 between driving mechanism 5 and paddle 4, the side of valve body 1 is provided with centrifugal mixer room 11 conducting and the medium output channel 7 be arranged in parallel with valve body 1, the inwall of medium inlet passage 3 and medium output channel 7 is respectively equipped with anticorrosive PTFE layer 8, be connected by coupling 9 between paddle 4 with stirring shaft 6, installation sleeve 91 is provided with between the inwall of coupling 9 and valve body 1, anticorrosive PTFE seal ring 92 is provided with between the inwall of valve body 1 and installation sleeve 91.In such scheme, by arranging anticorrosive PTFE layer 8 on the inwall of medium inlet passage 3 and medium output channel 7, can prevent concentrated sulfuric acid solution from causing corrosion to medium inlet passage 3 and medium output channel 7, thus extending the working life of valve body 1; What between coupling 9 and valve body 1, the setting of installation sleeve 91 made coupling 9 Absorbable organic halogens is installed in valve body 1, is provided with anticorrosive PTFE seal ring 92 between the inwall of valve body 1 and installation sleeve 91, can prevent the concentrated sulphuric scid from being flowed out by valve body 1 and implement corrosion to stirring shaft 6.
In embodiments of the present invention, for the ease of the connection between valve body 1 and medium inlet passage 3, be convenient to implement to change to the paddle 4 after being corroded, the centrifugal mixer room 11 of valve body 1 is provided with construction opening 12 with one end of medium inlet passage 3 conducting, and medium inlet passage 3 is installed on this construction opening 12 place by flange 31.
Because medium output channel 7 and valve body 1 be arranged in parallel, in order to make the connection between medium output channel 7 and valve body 1 more stable and compact, valve body 1 is provided with the dunnage 13 of setting up for medium output channel 3.For the ease of implementing to extract to the concentrated sulphuric scid, medium inlet passage 3 is media inlet end 32 relative to the other end being connected one end with valve body 1, this media inlet end 32 is cylinder, the outer circumferential face of this cylinder offers the bar shaped groove 33 that some are impelled medium inlet passage 3 and turned on outside.
Claims (5)
1. one kind is applicable to the control valve of high-temperature concentrated sulfuric acid, the valve gap including valve body and be connected with valve body, valve body is Cylindrical object, its axial one end is connected with valve gap, the other end is provided with medium inlet passage, valve body is provided with centrifugal mixer room, these centrifugal mixer indoor are provided with paddle, the joint of valve body and valve gap is provided with driving mechanism, be connected by stirring shaft between driving mechanism and paddle, the side of valve body is provided with the conducting of centrifugal mixer room and the medium output channel be arranged in parallel with valve body, it is characterized in that: described medium inlet passage and the inwall of medium output channel are respectively equipped with anticorrosive PTFE layer, be connected by coupling between paddle with stirring shaft, installation sleeve is provided with between coupling and the inwall of valve body, anticorrosive PTFE seal ring is provided with between the inwall of valve body and installation sleeve.
2. the control valve being applicable to high-temperature concentrated sulfuric acid according to claim 1, is characterized in that: the centrifugal mixer room of described valve body and one end of medium inlet passage conducting are provided with construction opening, and medium inlet passage is installed on this construction opening place by flange.
3. the control valve being applicable to high-temperature concentrated sulfuric acid according to claim 1 and 2, is characterized in that: described valve body is provided with the dunnage for the erection of medium output channel.
4. the control valve being applicable to high-temperature concentrated sulfuric acid according to claim 1 and 2, it is characterized in that: described medium inlet passage is media inlet end relative to the other end being connected one end with valve body, this media inlet end is cylinder, the outer circumferential face of this cylinder offers the bar shaped groove that some are impelled medium inlet passage and turned on outside.
5. the control valve being applicable to high-temperature concentrated sulfuric acid according to claim 3, it is characterized in that: described medium inlet passage is media inlet end relative to the other end being connected one end with valve body, this media inlet end is cylinder, the outer circumferential face of this cylinder offers the bar shaped groove that some are impelled medium inlet passage and turned on outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386989.9A CN105042181A (en) | 2015-06-30 | 2015-06-30 | Control valve suitable for high-temperature concentrated sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386989.9A CN105042181A (en) | 2015-06-30 | 2015-06-30 | Control valve suitable for high-temperature concentrated sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105042181A true CN105042181A (en) | 2015-11-11 |
Family
ID=54448981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510386989.9A Pending CN105042181A (en) | 2015-06-30 | 2015-06-30 | Control valve suitable for high-temperature concentrated sulfuric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105042181A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5501582A (en) * | 1994-01-26 | 1996-03-26 | Le Carbone Lorraine | Magnetically driven centrifugal pump |
| CN2251059Y (en) * | 1995-12-30 | 1997-04-02 | 王维业 | Concentrated sulfuric acid cantilever pump |
| CN2251060Y (en) * | 1995-12-30 | 1997-04-02 | 旅顺长城不锈钢厂 | Pump submersible in concentrated sulfuric acid at high-temp. |
| CN2466440Y (en) * | 2001-02-27 | 2001-12-19 | 朱孝有 | Gate valve |
| CN201241859Y (en) * | 2008-08-07 | 2009-05-20 | 刘金坤 | Novel corrosion resistant chemical process pump |
| CN203081782U (en) * | 2013-01-30 | 2013-07-24 | 宣达实业集团浙江特种泵阀有限公司 | Long-shaft ultra-temperature concentrated sulfuric acid submerged pump |
| CN203627245U (en) * | 2013-12-24 | 2014-06-04 | 江苏科曼机械制造有限公司 | Novel high temperature submerged pump |
-
2015
- 2015-06-30 CN CN201510386989.9A patent/CN105042181A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5501582A (en) * | 1994-01-26 | 1996-03-26 | Le Carbone Lorraine | Magnetically driven centrifugal pump |
| CN2251059Y (en) * | 1995-12-30 | 1997-04-02 | 王维业 | Concentrated sulfuric acid cantilever pump |
| CN2251060Y (en) * | 1995-12-30 | 1997-04-02 | 旅顺长城不锈钢厂 | Pump submersible in concentrated sulfuric acid at high-temp. |
| CN2466440Y (en) * | 2001-02-27 | 2001-12-19 | 朱孝有 | Gate valve |
| CN201241859Y (en) * | 2008-08-07 | 2009-05-20 | 刘金坤 | Novel corrosion resistant chemical process pump |
| CN203081782U (en) * | 2013-01-30 | 2013-07-24 | 宣达实业集团浙江特种泵阀有限公司 | Long-shaft ultra-temperature concentrated sulfuric acid submerged pump |
| CN203627245U (en) * | 2013-12-24 | 2014-06-04 | 江苏科曼机械制造有限公司 | Novel high temperature submerged pump |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |
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| WD01 | Invention patent application deemed withdrawn after publication |