CN202302287U - High temperature-resistant and leakage-proof rotary valve plug - Google Patents
High temperature-resistant and leakage-proof rotary valve plug Download PDFInfo
- Publication number
- CN202302287U CN202302287U CN201120408816XU CN201120408816U CN202302287U CN 202302287 U CN202302287 U CN 202302287U CN 201120408816X U CN201120408816X U CN 201120408816XU CN 201120408816 U CN201120408816 U CN 201120408816U CN 202302287 U CN202302287 U CN 202302287U
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- China
- Prior art keywords
- rotary valve
- water
- high temperature
- cooling tube
- spool
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- Expired - Fee Related
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Abstract
A high temperature-resistant and leakage-proof rotary valve plug comprises a valve plug main body and a hopper which is integrally arranged with the main body and is arranged at the outer side of the main body, wherein the two ends of the valve plug main body are respectively provided with a central shaft; and the valve plug main body is provided with a hollow cavity structure, a continuously bending cooling water pipe is arranged in the hollow cavity structure, and the inlet end and the outlet end of the cooling water pipe correspond to the central shafts at the two sides of the valve plug main body. The manufacturing technology of the rotary valve plug for conveying ultra-temperature materials is broken through, the rotary valve plug not only can convey the ultra-temperature materials but also can resist the variation of high temperature differential, and a water cooling structure also can be kept leakageproof and durable.
Description
Technical field
The utility model relates to material transfer equipment, particularly a kind of high temperature resistant leakproof rotary valve spool.
Background technique
Rotary valve is a kind of equipment that is suitable for less granularity mass transport commonly used.According to its different working conditions condition of living in different forms, Material Selection are arranged.Distinguish from the temperature that is transferred material and can be divided into three kinds of normal temperature (less than 50 ℃), high temperature (less than 500 ℃), superhigh temperature (less than 900 ℃) basically, its material is selected and structural design has very big difference accordingly.
The rotary valve of carrying the normal temperature material material select with structural design on do not have specific (special) requirements, the rotary valve of conveying high-temperature material generally all adopts all steel matter (or Cast Steel, ironcasting) material, to guarantee to resist the adverse effect of high-temperature material to it.
Conveying material is that the rotary valve spool of superhigh temperature generally all adopts cavity recirculated water cooling technology at present on production method; Although this kind manufacturing technology can effectively cool back the spool of rotary valve it is remained in the temperature range that can bear; But owing to be to adopt cavity recirculated water cooling technology; When spool is difficult to avoid produce area of stress concentration on every side at " cavity " when accomplishing the making of " cavity " structure; And the effectively elimination of the very difficult quilt of these areas of stress concentration, can under huge thermal stress effect, ftracture very soon at the position that (such as rapid heat cycle) these stress under the working condition of harshness are concentrated, this rotary valve because of leaking, is scrapped spool.
Summary of the invention
The purpose of the utility model is to provide a kind of high temperature resistant leakproof rotary valve spool; Make and carry the rotary valve spool of superhigh temperature material on manufacturing technology, to have breakthrough; Make its material that can carry ultra-high temperature and the variation of resisting high temperature difference, can keep the durable leakproof of its water-cooling structure again.
For achieving the above object, the technological scheme of the utility model is:
A kind of high temperature resistant leakproof rotary valve spool comprises the spool body and with the body one and be located at the hopper of body outer side surface, central shaft is established at spool body two ends; It is characterized in that described spool body is provided with a cavity structure, inserts the water-cooling tube of continuous bend in it, the central shaft of the corresponding spool body of the entrance end of water-cooling tube both sides.
Further, the entrance end of described water-cooling tube is established Active Interface.
Again, described water-cooling tube is single water-cooling tube.
Described water-cooling tube is that many water-cooling tubes are welded end to end.
In addition, the bending part of described water-cooling tube is an arcuate structure.
Establish water ga(u)ge on the pipeline of described water-cooling tube water outlet end, be convenient to water flow is realized monitoring in real time.
Described spool bulk material is a spheroidal graphite cast iron.
Water-cooling tube will be passed into continual recirculated cooling water in the rotary valve using process, take the heat of the spool that contacts high-temperature material out of spool endlessly, thereby reach the purpose that spool is cooled.
Select spheroidal graphite cast iron to be mainly that as valve core material the mechanical property of spheroidal graphite cast iron outclass graphitic pig iron and approaches steel, and have good casting, cutting and wear-resisting property.Select water-cooling tube to insert and mainly be to value strong these characteristics of water-cooling tube leak resistance in the spool.
The beneficial effect of the utility model
The utility model is high temperature resistant, and the rotary valve spool has extremely strong resistance to high temperature, because the recirculated cooling water that feeds can take the heat of spool out of, thereby reaches its resistance and high temperature resistance property; Although the water-cooling tube of implanting casts in spool; But during owing to cast is the metal of two kinds of different temperatures; So not having stress between them produces; Thereby guaranteed that water-cooling tube is in the nature of no big stress all the time, also with regard to having guaranteed that this kind rotary valve spool can not receive that stress can't be eliminated and the situation of leaking takes place.Even some position also some stress exists; Also exist only in the spheroidal graphite cast iron position of no cavity; The consequence of these position crackings takes place at most, and the cracking at these positions can not have influence on the water cycle of water-cooling tube, therefore can not cause the disastrous effect generation that inside leaks; From the actual use condition of this valve, the cracking degree at spheroidal graphite cast iron position is extremely limited.
The advantage of the utility model is:
The utility model rotary valve spool is implanted the water-cooling tube design, and the stress that spool is had can't be delivered on the water-cooling tube, and water-cooling tube is in the nature stress all the time, therefore can not break and leak.Mold Making is simple when making spool, and required precision is general, and manufacture cost is lower.Can bear for a long time about 850 ℃ material through and water-tight; Can bear the test of frequent high temperature difference (200 ℃-850 ℃) material and water-tight; The low maintenance of the rate of fault that operates steadily is simple and convenient.
Description of drawings
Fig. 1 is the utility model one embodiment's a structural representation.
Embodiment
Referring to Fig. 1, the high temperature resistant leakproof rotary valve spool of the utility model comprises spool body 1 and with body 1 one and be located at the hopper 2 of body 1 outer side surface, central shaft 11,12 is established at spool body 1 two ends; Wherein, described spool body 1 is provided with a cavity structure 100, inserts the water-cooling tube 3 of continuous bend in it, the central shaft 11,12 of the corresponding spool body of the entrance end of water-cooling tube 31 both sides.
Further, the entrance end of described water-cooling tube 3 is established Active Interface.
In the present embodiment, described water-cooling tube 3 is single water-cooling tube.The bending part of described water-cooling tube 3 is an arcuate structure.Described spool body 1 material is a spheroidal graphite cast iron.
The described water-cooling tube of the utility model can also be welded for many water-cooling tubes end to end.
Establish water ga(u)ge on the pipeline of described water-cooling tube water outlet end, be convenient to water flow is realized monitoring in real time.
The water-cooling tube and the spheroidal graphite cast iron spool body casting that bend to definite shape are together; Formed a rotary valve spool jointly; Elder generation feeds cooling water and circulates uninterruptedly always in water-cooling tube in use, and when the material medium of high temperature passed through this valve, the heat of generation was delivered to the water-cooling tube tube wall through the inwall of spool; Pass to the cooling water that flows in the pipeline again and take out of outside the rotary valve, thereby reach the purpose of cooling off this valve core.Because spheroidal graphite cast iron and water-cooling tube are the metals of two kinds of different temperatures during casting; So the contact interface between them has natural slit; Therefore not having stress between the two produces; Thereby guaranteed that water-cooling tube is in the nature of no big stress all the time, also with regard to having guaranteed that rotary valve can not receive that stress can't be eliminated and the situation of leaking takes place, for keeping the monitoring of circulating water flow is reached the purpose of protection rotary valve; On the water outlet Outer Tube, water ga(u)ge is installed, and with flux signal Access Control chamber.
The utility model makes rotary valve spool manufacturing technology level step major step forward; Because its overstable recirculated cooling water structure and the superperformance of spheroidal graphite cast iron; Make this kind rotary valve have high operation stability and high continuous service requirement; It possess safeguard simple, operate steadily, high temperature resistant, many advantages such as thermostability strong, long service life, the application prospect in some large-scale stove class devices is very wide.
Claims (7)
1. high temperature resistant leakproof rotary valve spool comprises the spool body and with the body one and be located at the hopper of body outer side surface, central shaft is established at spool body two ends; It is characterized in that described spool body is provided with a cavity structure, inserts the water-cooling tube of continuous bend in it, the central shaft of the corresponding spool body of the entrance end of water-cooling tube both sides.
2. high temperature resistant leakproof rotary valve spool as claimed in claim 1 is characterized in that the entrance end of described water-cooling tube is established Active Interface.
3. according to claim 1 or claim 2 high temperature resistant leakproof rotary valve spool is characterized in that described water-cooling tube is single water-cooling tube.
4. according to claim 1 or claim 2 high temperature resistant leakproof rotary valve spool is characterized in that described water-cooling tube is that many water-cooling tubes are welded end to end.
5. according to claim 1 or claim 2 high temperature resistant leakproof rotary valve spool is characterized in that the bending part of described water-cooling tube is an arcuate structure.
6. high temperature resistant leakproof rotary valve spool as claimed in claim 1 is characterized in that, establishes water ga(u)ge on the pipeline of described water outlet end.
7. high temperature resistant leakproof rotary valve spool as claimed in claim 1 is characterized in that described spool bulk material is a spheroidal graphite cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120408816XU CN202302287U (en) | 2011-10-24 | 2011-10-24 | High temperature-resistant and leakage-proof rotary valve plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120408816XU CN202302287U (en) | 2011-10-24 | 2011-10-24 | High temperature-resistant and leakage-proof rotary valve plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302287U true CN202302287U (en) | 2012-07-04 |
Family
ID=46371182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120408816XU Expired - Fee Related CN202302287U (en) | 2011-10-24 | 2011-10-24 | High temperature-resistant and leakage-proof rotary valve plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148239A (en) * | 2013-02-26 | 2013-06-12 | 中冶南方工程技术有限公司 | Valve core |
| CN103148234A (en) * | 2013-02-26 | 2013-06-12 | 中冶南方工程技术有限公司 | Valve core |
| CN104455527A (en) * | 2014-11-21 | 2015-03-25 | 苏州福润机械有限公司 | Backflow-prevention spherical valve with built-in bend |
-
2011
- 2011-10-24 CN CN201120408816XU patent/CN202302287U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148239A (en) * | 2013-02-26 | 2013-06-12 | 中冶南方工程技术有限公司 | Valve core |
| CN103148234A (en) * | 2013-02-26 | 2013-06-12 | 中冶南方工程技术有限公司 | Valve core |
| CN103148234B (en) * | 2013-02-26 | 2015-09-02 | 中冶南方工程技术有限公司 | A kind of spool |
| CN103148239B (en) * | 2013-02-26 | 2016-01-20 | 中冶南方工程技术有限公司 | A kind of spool |
| CN104455527A (en) * | 2014-11-21 | 2015-03-25 | 苏州福润机械有限公司 | Backflow-prevention spherical valve with built-in bend |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20201024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |