CN201386803Y - Special butterfly valve for dust coal gas - Google Patents
Special butterfly valve for dust coal gas Download PDFInfo
- Publication number
- CN201386803Y CN201386803Y CN200820180373U CN200820180373U CN201386803Y CN 201386803 Y CN201386803 Y CN 201386803Y CN 200820180373 U CN200820180373 U CN 200820180373U CN 200820180373 U CN200820180373 U CN 200820180373U CN 201386803 Y CN201386803 Y CN 201386803Y
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- China
- Prior art keywords
- dust
- butterfly valve
- coal gas
- special
- gas
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- 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 special butterfly valve for dust coal gas, which belongs to the technical field of valves. The utility model overcomes the defect that the existing butterfly valve is only suitable for ordinary pipelines, and is not suitable for pipelines of dust gas. The utility model aims at providing the special butterfly valve for dust coal gas, and the special butterfly valve for dust coal gas comprises a sealing shaft sleeve which is embedded and sheathed outside a valve rod. Through trial use for many years, the products of the utility model have obvious effect when being used in pipelines of dust coal gas, dust ammonia gas, dust flue gas and other dust gas. The sealing shaft sleeve prevents the dust from entering the special butterfly valve, so the special butterfly valve can work normally at a high temperature, and can reach the effects of flexible switching and no blockage. The special butterfly valve is mainly used for switching the pipelines of dust coal gas, dust ammonia gas, dust flue gas and other dust gas.
Description
Technical field
The utility model relates to the special-purpose butterfly valve of a kind of coal gas dust-laden, belongs to valve technology field.
Background technique
The purification of dust-containing airflow needs very big cost and higher technology in the industrial production, often dust-containing airflow is directly used in the production process, as at dust-laden coal gas. ammonia. flue gas. in flue and other dust-containing airflow pipelines, but the existence of flue dust makes that butterfly valve is easy to be etched and stop up, the butterfly valve of prior art can only be applicable to common pipe, is not suitable for the dust-containing airflow pipeline.
The model utility content
Can only be applicable to common pipe in order to overcome existing reed valve, not be suitable for the deficiency of dust-containing airflow pipeline, the purpose of this utility model is: provide a kind of coal gas dust-laden special-purpose butterfly valve.
The technological scheme that its technical problem that solves the utility model adopts is as follows:
The special-purpose butterfly valve of coal gas dust-laden comprises bottom, valve rod, pressing plate circle, butterfly plate, turbine head, support, filler, taper pin, Gland; Also comprise sealing axle sleeve, described sealing axle sleeve is nested in outside the valve rod.
Described sealing axle sleeve is a tubulose, comprises Upper shaft sleeve and Lower shaft sleeve, and described Upper shaft sleeve is positioned at the valve rod upper end, the position of filler below; Described Lower shaft sleeve is positioned at the valve rod lower end, the bottom top.
Also comprise divided ring, described divided ring is between Lower shaft sleeve and bottom.
Also comprise sealing gasket, described sealing gasket is between bottom and divided ring and butterfly plate.
Also comprise seal ring, seal ring is between butterfly plate and pressing plate circle.
Compared with prior art, the beneficial effects of the utility model are:
1. the utility model product is used in dust-laden coal gas, ammonia, flue gas, flue and other dust-containing airflow pipelines, through trial effect is obvious for many years; Sealing axle sleeve stops flue dust to enter, and it is proper functioning at high temperature, reaches switch and never presss from both sides dead effect flexibly. and this butterfly valve is mainly used in dust-laden coal gas, ammonia, flue gas, flue and other dust-containing airflow pipelines and does the keying effect.
2. increase the structure of seal ring and sealing gasket in the utility model, made that the sealing effect of butterfly valve is better, avoided flue dust to corrode valve body, more superior in the ducted performance of dust-containing airflow.
3. increase the structure of divided ring, not only strengthened the effect of sealing, and in butterfly valve work, played buffer function, improved butterfly valve performance and working life.
Description of drawings
Fig. 1 is the structural representation of the special-purpose butterfly valve of the utility model coal gas dust-laden
Fig. 2 is the outer side TV structure schematic representation of the special-purpose butterfly valve of the utility model coal gas dust-laden
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified, but not as to qualification of the present utility model.
Embodiment 1
See also the embodiment of the special-purpose butterfly valve of the utility model coal gas dust-laden shown in Fig. 1-2, the special-purpose butterfly valve of coal gas dust-laden comprises valve body 6, bottom 2, valve rod 7, pressing plate circle 8, butterfly plate 10, turbine head 1, support 12, filler 14, taper pin 11, Gland 15; Also comprise sealing axle sleeve 5, described sealing axle sleeve 5 is nested in outside the valve rod 7.
Described sealing axle sleeve 5 comprises Upper shaft sleeve and Lower shaft sleeve, and described Upper shaft sleeve is positioned at valve rod 7 upper ends, the position of filler 14 belows; Described Lower shaft sleeve is positioned at valve rod 7 lower ends, bottom 2 tops.Also comprise divided ring 3, described divided ring 3 is between Lower shaft sleeve and bottom 2.
Also comprise sealing gasket 4, described sealing gasket 4 is between bottom 2 and divided ring 3 and butterfly plate 10; Also comprise seal ring 9, seal ring 9 is between butterfly plate 10 and pressing plate circle 8.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (5)
1. the special-purpose butterfly valve of a coal gas dust-laden, it comprises bottom, valve rod, pressing plate circle, butterfly plate, turbine head, support, filler, taper pin, Gland; It is characterized in that: also comprise sealing axle sleeve, described sealing axle sleeve is a tubulose, is nested in outside the valve rod.
2. the special-purpose butterfly valve of coal gas dust-laden according to claim 1, it is characterized in that: described sealing axle sleeve comprises Upper shaft sleeve and Lower shaft sleeve, described Upper shaft sleeve is positioned at the valve rod upper end, the position of filler below; Described Lower shaft sleeve is positioned at the valve rod lower end, the bottom top.
3. the special-purpose butterfly valve of coal gas dust-laden according to claim 2, it is characterized in that: also comprise divided ring, described divided ring is between Lower shaft sleeve and bottom.
4. the special-purpose butterfly valve of coal gas dust-laden according to claim 3, it is characterized in that: also comprise sealing gasket, described sealing gasket is between bottom and divided ring and butterfly plate.
5. the special-purpose butterfly valve of coal gas dust-laden according to claim 4, it is characterized in that: also comprise seal ring, seal ring is between butterfly plate and pressing plate circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820180373U CN201386803Y (en) | 2008-11-27 | 2008-11-27 | Special butterfly valve for dust coal gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820180373U CN201386803Y (en) | 2008-11-27 | 2008-11-27 | Special butterfly valve for dust coal gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201386803Y true CN201386803Y (en) | 2010-01-20 |
Family
ID=41579336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820180373U Expired - Fee Related CN201386803Y (en) | 2008-11-27 | 2008-11-27 | Special butterfly valve for dust coal gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201386803Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| CN104913070A (en) * | 2015-05-25 | 2015-09-16 | 蚌埠南自仪表有限公司 | Three-eccentricity hard sealing butterfly valve |
-
2008
- 2008-11-27 CN CN200820180373U patent/CN201386803Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| CN103438227B (en) * | 2013-09-09 | 2016-08-17 | 浙江中德自控科技股份有限公司 | Metal sealing insulation jacket butterfly valve |
| CN104913070A (en) * | 2015-05-25 | 2015-09-16 | 蚌埠南自仪表有限公司 | Three-eccentricity hard sealing butterfly valve |
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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: 20100120 Termination date: 20111127 |