CN2747202Y - Novel valve for transporting materials - Google Patents
Novel valve for transporting materials Download PDFInfo
- Publication number
- CN2747202Y CN2747202Y CN 200420097784 CN200420097784U CN2747202Y CN 2747202 Y CN2747202 Y CN 2747202Y CN 200420097784 CN200420097784 CN 200420097784 CN 200420097784 U CN200420097784 U CN 200420097784U CN 2747202 Y CN2747202 Y CN 2747202Y
- Authority
- CN
- China
- Prior art keywords
- valve
- seal ring
- valve body
- inlet point
- arcwall
- 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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- Lift Valve (AREA)
Abstract
The utility model discloses a valve for transporting materials in a pneumatic ash and coal transporting system, which is provided with a valve body, the upper part of the valve body is provided with a feed port, the lower part of the valve body is provided with a discharge port, and a storage cavity is arranged between the feed port and the discharge port. The feed port of the valve body is provided with a hemispherical valve core which rotates around a pivot shaft, an inner side wall of the feed port is provided with an arc wall, wherein, the outline of which is suitable for a ball body part of the hemispherical core valve, and the hemispherical core valve and the arc wall have clearance fit. The arc wall is also fixed with a sealing ring made of elastic material, the sealing ring is matched with the outside wall of the arc wall, or the sealing ring independently forms a sealing chamber body, and the sealing ring is also provided with an air inlet and an air outlet. The core valve does not contact the valve body directly, the seal is realized by the inflation of the sealing ring, and the operation almost has no abrasion. The sealing ring and the ball body part of the core valve have flexible contact, and the sealing effect and the operating stability are improved greatly.
Description
Technical field
The utility model relates to the mass transport valve that uses in a kind of Pneumatic ash conveying, the coal handling system.
Background technology
At present, along with dry ash obtains comprehensive application more widely, the Pneumatic ash conveying technology has been widely used in aspects such as the defeated ash of dedusting of industries such as each big coal-burning power plant, steel mill and building materials, defeated coal.The domestic mass transport valve that is used for Pneumatic ash conveying, coal handling system, most " spherical valve " or " butterfly valve " these two kinds of forms that adopt, defective be its at work valve part be hard fitted seal mode, need reach every day under thousands of times unlatching, the situation of closing at valve body, add the friction of dust, the valve part wearing and tearing are very fast, leak tightness reduces, general service life, less than was three months, caused stopping production that maintenance is frequent, expense is high, had a strong impact on production efficiency.
Summary of the invention
Task of the present utility model is at above-mentioned the deficiencies in the prior art, and the novel material transfer valve of a kind of long service life, good sealing effect is provided.
Its technical solution is as follows:
A kind of novel material transfer valve, it has a valve body, valve body top is inlet point, the bottom is a discharging opening, it between inlet point and the discharging opening material storing cavity, described valve body inlet point is furnished with a hemisphere core valve that pivots, the arcwall that described inlet point madial wall has the spheroid part profile with described hemisphere core valve to adapt, be free-running fit between described hemisphere core valve and the arcwall, also be fixed with the seal ring made from elastomeric material on the described arcwall, the appropriate section of described seal ring lateral wall and described inlet point arcwall is enclosed and is bundled into a seal chamber, and described seal chamber is furnished with admission port and air extractor duct.Setting this mass transport valve initial condition is closed condition, then it can have following working process: during closed condition, the spheroid of above-mentioned hemisphere core valve partly goes to the inlet point position, enclose the seal chamber that is bundled into to above-mentioned seal ring lateral wall and inlet point arcwall and charge into high pressure gas, then seal ring expands to core valve direction, spheroid with hemisphere core valve under high-pressure gas pressure partly fits tightly sealing, when the need charging, above-mentioned seal chamber exhaust pressure relief, the spheroid that contracts behind the seal ring with the core valve partly disengages, the spheroid of core valve part can leave the arcwall of inlet point around pivot then, thereby conducting inlet point and material storing cavity, the beginning charging, when charging finished, the core valve resetted, pour high pressure gas once more in the above-mentioned then seal chamber, seal ring expands to core valve direction, and the spheroid part with hemisphere core valve under high-pressure gas pressure fits tightly sealing once more, finishes a working cycle.
This novel material transfer valve is compared with mass transport valve in the past, its core valve and valve body be direct contact not, its sealing is that the inflation by seal ring realizes, almost not wearing and tearing, and seal ring partly contacts for flexible with the spheroid of core valve, the stability of sealing effectiveness and work greatly improves, and can effectively stop fine particle and water vapor permeable.
As improvement of the present utility model, the arcwall of above-mentioned valve body inlet point has the circular groove of indent corresponding to the seal ring lateral wall.This circular groove can make things convenient for the fixing and retraction of seal ring, prevents to interfere mutually with the core valve when the core valve rotates.
Above-mentioned seal ring can be the seal ring made from silaatic, and silaatic belongs to high temperature material, can effectively prolong the service life of material transfer valve.
Seal ring on the above-mentioned arcwall also can be the seal chamber structure of hollow, and is furnished with admission port and air extractor duct.
Below in conjunction with accompanying drawing the utility model is done further description:
Description of drawings
Figure is the structural representation of the utility model embodiment 1
The specific embodiment
The following content of not addressing all can adopt or use for reference prior art.
Embodiment 1, as shown in drawings, the utility model has a valve body 1, the top of valve body 1 has inlet point 11, the bottom has discharging opening 12, be material storing cavity between inlet point 11 and the discharging opening 12, valve body 1 inherent close inlet point 11 places are provided with hemisphere core valve 2, core valve 2 is furnished with pivot 21 and drives its rotation, the madial wall of inlet point 11 is made the arcwall that spheroid part 23 profiles with above-mentioned hemisphere core valve 2 adapt, leave certain interval between the spheroid part 23 of this arcwall and hemisphere core valve 2, the relevant position also has the circular groove 5 of indent on the above-mentioned arcwall, the seal ring made from elastomeric material such as high-temperature-resisting silicon rubber 3 is fixed in the above-mentioned circular groove 5, the lateral wall of seal ring 3 and circular groove 5 appropriate sections are enclosed and are bundled into a seal chamber 31, and seal chamber 31 is furnished with admission port and air extractor duct, and above-mentioned material storing cavity also is furnished with level-sensing device 4, this level-sensing device 4 is the material level in the perception material storing cavity automatically, and controls the unlatching of this transfer valve or close.
Embodiment 2, and embodiment 2 is the seal chamber of inner hollow except that seal ring 31, and other all can adopt among the embodiment 1
Technology contents.
The utility model is not limited in above two kinds of embodiments, and it also can have other conspicuous variations.
Claims (6)
1, a kind of novel material transfer valve, it has a valve body, valve body top is inlet point, the bottom is a discharging opening, it between inlet point and the discharging opening material storing cavity, it is characterized in that: described valve body inlet point is furnished with a hemisphere core valve that pivots, the arcwall that described inlet point madial wall has the spheroid part profile with described hemisphere core valve to adapt, be free-running fit between described hemisphere core valve and the arcwall, also be fixed with the seal ring made from elastomeric material on the described arcwall, the appropriate section of described seal ring lateral wall and described arcwall is enclosed and is bundled into a seal chamber, and described seal chamber is furnished with admission port and air extractor duct.
2, novel material transfer valve according to claim 1 is characterized in that: described valve body inlet point arcwall has the indent circular groove that holds seal ring corresponding to described seal ring lateral wall.
3, want 1 or 2 described novel material transfer valves according to right, it is characterized in that: the seal ring of described seal ring for making with silaatic.
4, a kind of novel material transfer valve, it has a valve body, valve body top is inlet point, the bottom is a discharging opening, it between inlet point and the discharging opening material storing cavity, it is characterized in that: described valve body inlet point is furnished with a hemisphere core valve that pivots, the arcwall that described inlet point madial wall has the spheroid part profile with described hemisphere core valve to adapt, be free-running fit between described hemisphere core valve and the arcwall, also be fixed with the seal ring made from elastomeric material on the described arcwall, described seal ring inside is the seal chamber of hollow, and is furnished with admission port and air extractor duct.
5, novel material transfer valve according to claim 4 is characterized in that: described valve body inlet point arcwall has the indent circular groove that holds seal ring corresponding to described seal ring lateral wall.
6, want 4 or 5 described novel material transfer valves according to right, it is characterized in that: the seal ring of described seal ring for making with silaatic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097784 CN2747202Y (en) | 2004-11-19 | 2004-11-19 | Novel valve for transporting materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097784 CN2747202Y (en) | 2004-11-19 | 2004-11-19 | Novel valve for transporting materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2747202Y true CN2747202Y (en) | 2005-12-21 |
Family
ID=35707741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420097784 Expired - Fee Related CN2747202Y (en) | 2004-11-19 | 2004-11-19 | Novel valve for transporting materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2747202Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571404A (en) * | 2017-10-19 | 2018-01-12 | 蒲兴林 | A kind of trucd mixer sealing device of discharge opening |
| CN110712338A (en) * | 2019-10-18 | 2020-01-21 | 余荣芳 | Production process of coated plastic tableware |
-
2004
- 2004-11-19 CN CN 200420097784 patent/CN2747202Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571404A (en) * | 2017-10-19 | 2018-01-12 | 蒲兴林 | A kind of trucd mixer sealing device of discharge opening |
| CN110712338A (en) * | 2019-10-18 | 2020-01-21 | 余荣芳 | Production process of coated plastic tableware |
| CN110712338B (en) * | 2019-10-18 | 2021-08-13 | 河源联达真空镀膜有限责任公司 | Production process of coated plastic tableware |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |