CN201777655U - High temperature resistant leak-proof rotary valve - Google Patents
High temperature resistant leak-proof rotary valve Download PDFInfo
- Publication number
- CN201777655U CN201777655U CN201020295758XU CN201020295758U CN201777655U CN 201777655 U CN201777655 U CN 201777655U CN 201020295758X U CN201020295758X U CN 201020295758XU CN 201020295758 U CN201020295758 U CN 201020295758U CN 201777655 U CN201777655 U CN 201777655U
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- high temperature
- temperature resistant
- cooling water
- rotovalve
- housing
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Abstract
A high temperature resistant leak-proof rotary valve comprises a casing and a valve core, wherein a circulation cooling water pipe is arranged in the casing, the water inlet and the water outlet of the circulation cooling water pipe are exposed out of the casing and are respectively connected into a water inlet pipeline and a water outlet pipeline. The high temperature resistant leak-proof rotary valve provided by the utility model can ensure that the rotary valve transferring the super high temperature materials makes the breakthrough in manufacturing technology, can transfer super high temperature materials and withstand high temperature difference variation, and can keep the water-cooling structure leak-proof and durable.
Description
Technical field
The utility model relates to material transfer equipment, particularly a kind of high temperature resistant leakproof rotovalve.
Background technology
Rotovalve is a kind of equipment that is suitable for less granularity mass transport commonly used.According to its different working 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 ℃), extraordinary high temperature (less than 900 ℃) basically, its material is selected and structure design can be very different accordingly.
Wherein carry the rotovalve of normal temperature material on material selection and structure design, not have specific (special) requirements, wherein carry the rotovalve of high-temperature material generally all to adopt all steel matter (or steel casting, ironcasting) material, to guarantee to resist the adverse effect of high-temperature material to it, convey materials is that the rotovalve of extraordinary high temperature generally all adopts cavity recirculated water cooling technology at present on manufacture method, although this kind manufacturing technology can actv. cools back the spool and the housing of rotary valve it is remained in the range of temperatures that can bear, but owing to be to adopt cavity recirculated water cooling technology, when shell is difficult to avoid produce area of stress concentration on every side at " cavity " when finishing the making of " cavity " structure, and these areas of stress concentration are difficult to effectively be eliminated, the very fast meeting in position at (such as rapid heat cycle) these stress concentration under the working condition of harshness is ftractureed under huge thermal stress effect, finally can make this rotovalve because of shell leak (the most pernicious often outer casing inner wall leaks in system) scrap, and therefore the phenomenon that spool leaks seldom takes place because that the smoother just corresponding stress of its shape transition produces is less in spool in actual use.
Summary of the invention
The purpose of this utility model is to design a kind of high temperature resistant leakproof rotovalve, make and carry the rotovalve of extraordinary high 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 technical solution of the utility model is,
A kind of high temperature resistant leakproof rotovalve comprises housing and spool; Wherein, in the described housing circulating cooling water pipe is set, the circulating cooling water pipe intake-outlet is exposed at the housing outside, and is connected on inlet channel and outlet conduit respectively.
Further, described circulating cooling water pipe is continuous serpentine bend in housing, occupies whole housing.
Described circulating cooling water pipe is that single solid drawn pipe continuous bend forms.
Described circulating cooling water pipe is by some seamless being welded of solid drawn pipe, and circulating cooling water pipe is positioned at the part of housing does not have the welding joint.
On the described recirculated cooling water water outlet Outer Tube water ga(u)ge is installed.
In addition, housing described in the utility model is the ductile cast iron material manufacturing.
The utility model is high temperature resistant, and the leakproof rotovalve is implanted the single solid drawn pipe of continuous bend in the housing made from ductile cast iron material, these solid drawn pipes can be many, but its inside must not have welding junction, and the two ends of every solid drawn pipe all will be exposed at enclosure.
In the rotovalve use, will be passed into continual recirculated cooling water, and be taken out of housing endlessly with the heat that reaches the inside and outside wall of shell that contacts high-temperature material, thereby reach the purpose that shell is cooled.Select spheroidal graphite iron to be mainly that as canning material the mechanical characteristics of spheroidal graphite iron outclass grey pi iron and approaches steel, and have good casting, cutting and wear resisting property.
The beneficial effects of the utility model
The utlity model has extremely strong resistance to elevated temperatures,, thereby reach its resistance and high temperature resistance property because the recirculated cooling water that feeds can take the heat of housing out of; Although the solid drawn pipe of implanting casts in shell, but during owing to cast is the metal of two kinds of different temperatures, so not having stress between them produces, thereby guaranteed that solid drawn pipe is in the state of nature of no big stress all the time, also with regard to having guaranteed that this kind rotovalve can not be subjected to 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 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-circulating of solid drawn pipe, therefore can not cause the disastrous effect generation that inside leaks, from the condition of service of this valve reality, the cracking degree at spheroidal graphite iron position is extremely limited.
The utility model rotovalve is place in operation in the suspension kiln system, by practice test, has following several big advantage: the one, can bear for a long time about 850 ℃ material by and water-tight; The 2nd, can bear the test of frequent high temperature difference (200 ℃-850 ℃) material and water-tight; The 3rd, the low maintenance of the fault rate that operates steadily is simple and convenient.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
The specific embodiment
Referring to Fig. 1, high temperature resistant leakproof rotovalve of the present utility model comprises housing 1 and spool 2; Wherein, in the described housing 1 circulating cooling water pipe 3,3 ' is set, circulating cooling water pipe 3,3 ' intake- outlet 31,31 ', 32,32 ' are exposed at the housing outside, and are connected on inlet channel and outlet conduit respectively.
Described circulating cooling water pipe 3,3 ' serpentine bend continuously in housing 1 covers whole housing 1.In the present embodiment, circulating cooling water pipe 3 forms for single solid drawn pipe continuous bend.
Water ga(u)ge 4,4 ' is installed on described recirculated cooling water water outlet 32, the 32 ' Outer Tube.
In addition, housing 1 described in the utility model is the ductile cast iron material manufacturing.
In solid drawn pipe, feed cooling water expansion tank and circulation always earlier uninterruptedly in use, when hi-heat material medium passes through this valve, the heat that produces is delivered to the solid drawn pipe tube wall by the inwall of shell, pass to the cooling water expansion tank that flows in the pipeline again and take out of outside the rotovalve, thereby reach the purpose of cooling off this valve shell.Because spheroidal graphite iron and solid drawn pipe 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 solid drawn pipe is in the state of nature of no big stress all the time, solved the disadvantage of existing common water-cooled rotovalve cooling method, be fatal " stress concentration " problem, existing common water-cooled rotovalve housing easily leaks at the focal point of stress cracking.The utility model has guaranteed well that rotovalve can not be subjected to that stress can't be eliminated and the situation of leaking takes place.
In sum, the utility model makes high temperature resistant leak-proof revolving valve technical merit step forward major step, because its overstable circulating cooling water-bound and the superperformance of spheroidal graphite cast-iron, make this kind revolving valve have high operation stability and high continuous service ability, it possess safeguard simple, operate steadily, high temperature resistant, many advantages such as heat endurance strong, long service life, the application prospect in some large-scale stove class devices is very wide.
Claims (7)
1. a high temperature resistant leakproof rotovalve comprises housing and spool; It is characterized in that, in the described housing circulating cooling water pipe is set, the circulating cooling water pipe intake-outlet is exposed at the housing outside, and is connected on inlet channel and outlet conduit respectively.
2. high temperature resistant leakproof rotovalve as claimed in claim 1 is characterized in that, described circulating cooling water pipe is continuous serpentine bend in housing, occupies whole housing.
3. high temperature resistant leakproof rotovalve as claimed in claim 1 or 2 is characterized in that, described circulating cooling water pipe is that single solid drawn pipe continuous bend forms.
4. high temperature resistant leakproof rotovalve as claimed in claim 1 is characterized in that, described circulating cooling water pipe is by some seamless being welded of solid drawn pipe, and circulating cooling water pipe is positioned at the part of housing does not have the welding joint.
5. as claim 1 or 2 or 4 described high temperature resistant leakproof rotovalves, it is characterized in that, on the described recirculated cooling water water outlet Outer Tube water ga(u)ge is installed.
6. high temperature resistant leakproof rotovalve as claimed in claim 3 is characterized in that, on the described recirculated cooling water water outlet Outer Tube water ga(u)ge is installed.
7. high temperature resistant leakproof rotovalve as claimed in claim 1 is characterized in that described housing is the ductile cast iron material manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020295758XU CN201777655U (en) | 2010-08-18 | 2010-08-18 | High temperature resistant leak-proof rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020295758XU CN201777655U (en) | 2010-08-18 | 2010-08-18 | High temperature resistant leak-proof rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777655U true CN201777655U (en) | 2011-03-30 |
Family
ID=43790876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020295758XU Expired - Fee Related CN201777655U (en) | 2010-08-18 | 2010-08-18 | High temperature resistant leak-proof rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777655U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278526A (en) * | 2011-07-26 | 2011-12-14 | 南通希尔顿博世流体设备有限公司 | Ultra-temperature control valve device with water cycle cooling function |
| CN102502196A (en) * | 2011-09-23 | 2012-06-20 | 北京中冶设备研究设计总院有限公司 | High-temperature liquid furnace slag conveying valve device and method |
| CN105000336A (en) * | 2014-04-15 | 2015-10-28 | 藤原酿造机械株式会社 | Vertical rotating valve |
| CN108861609A (en) * | 2018-06-29 | 2018-11-23 | 安徽省碧绿春生物科技有限公司 | A kind of Blowing stopper with cooling structure |
| CN112096908A (en) * | 2020-09-17 | 2020-12-18 | 江苏竹箕阀业有限公司 | High-temperature-resistant valve |
-
2010
- 2010-08-18 CN CN201020295758XU patent/CN201777655U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278526A (en) * | 2011-07-26 | 2011-12-14 | 南通希尔顿博世流体设备有限公司 | Ultra-temperature control valve device with water cycle cooling function |
| CN102502196A (en) * | 2011-09-23 | 2012-06-20 | 北京中冶设备研究设计总院有限公司 | High-temperature liquid furnace slag conveying valve device and method |
| CN105000336A (en) * | 2014-04-15 | 2015-10-28 | 藤原酿造机械株式会社 | Vertical rotating valve |
| CN108861609A (en) * | 2018-06-29 | 2018-11-23 | 安徽省碧绿春生物科技有限公司 | A kind of Blowing stopper with cooling structure |
| CN112096908A (en) * | 2020-09-17 | 2020-12-18 | 江苏竹箕阀业有限公司 | High-temperature-resistant valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20160818 |