CN203079224U - Leakage-proof ash rotating type powder feed valve - Google Patents
Leakage-proof ash rotating type powder feed valve Download PDFInfo
- Publication number
- CN203079224U CN203079224U CN 201320055029 CN201320055029U CN203079224U CN 203079224 U CN203079224 U CN 203079224U CN 201320055029 CN201320055029 CN 201320055029 CN 201320055029 U CN201320055029 U CN 201320055029U CN 203079224 U CN203079224 U CN 203079224U
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- China
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- valve
- pressure regulating
- valve body
- main shaft
- regulating valve
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Abstract
The utility model discloses a leakage-proof ash rotating type powder feed valve. A main shaft of the leakage-proof ash rotating type powder feed valve is arranged on a valve body, an impeller is arranged on the main shaft and inside the valve body, cavities are arranged in portions, located on two sides of the main shaft, of the valve body respectively. Two gaskets, two air seal rings and two sets of graphite packing are respectively and sequentially sleeved at two ends of the main shaft and placed in the cavities which are arranged in two sides of the valve body. A groove is formed in the periphery surface of each air seal ring, and four through holes are symmetrically arranged at the bottom of each groove along the radial direction. One side of each rolling flange is provided with a boss, two rolling flanges penetrate through two ends of the main shaft respectively and are arranged on two sides of the valve body through bolts, the bosses of the two rolling flanges are arranged on the cavities which are arranged in two sides of the valve body and abut against the two sets of graphite packing, and two air connectors are arranged on two sides of the valve body respectively and are communicated with the two air seal ring grooves. A compressed air pipe is connected with the two air connectors through a first pressure regulating valve and a second pressure regulating valve respectively. Two pressure gauges are arranged at an output end of the first pressure regulating valve and an output end of the second pressure regulating valve respectively. The leakage-proof ash rotating type powder feed valve effectively prevents power from leaking outwards, ensures that the environment of a production spot is good, reduces waste of the powder, and reduces production cost.
Description
Technical field
The utility model relates to the rotary-type powder inlet valve of a kind of leakproof ash.
Background technology
Rotary-type powder inlet valve is widely used in each field such as chemical industry, environmental protection, metallurgy, building materials, electric power, food and medicine, is used for the conveying of all kinds of powder class materials.Desulfuration in furnace adds the supply of agstone during as boiler operatiopn, and this powder is 200 purpose CaCo
3, powder is carried through inlet valve, and inlet valve is realized the conveying of powder by the rotation of main shaft impeller by impeller.But in the transmission course of powder, because the motion of the sound of main shaft and the valve body diameter of axle, often leak ash seriously, gross pollution is caused in the production scene, and waste powder, improved productive costs at the gap location of main shaft and the valve body diameter of axle.The powder that leaks simultaneously is stuck between the sealing of main shaft and valve body, causes the main shaft wearing and tearing, the service life of having reduced inlet valve.
Summary of the invention
Technical problem to be solved in the utility model provides the rotary-type powder inlet valve of a kind of leakproof ash, utilize this inlet valve effectively to avoid powder to leak, guaranteed the good environment of production scene, reduce the powder waste, reduce productive costs, improved the service life of inlet valve.
For solving the problems of the technologies described above, the rotary-type powder inlet valve of the utility model leakproof ash comprises valve body, main shaft and impeller, described main shaft is located at described valve body, described impeller is located on the described main shaft and is positioned at described valve body, also comprise two gas joints, two pads, two sealing gland rings, two groups of graphite packings, two are rolled orchid, compression gas pipe, first pressure regulating valve, second pressure regulating valve and two compression indicators, described valve body is respectively equipped with cavity in the both sides that are provided with described main shaft, described two pads, two sealing gland rings and two groups of graphite packings are inserted in described main shaft two ends respectively successively and lay respectively in the cavity of described valve body both sides, described two sealing gland ring outer peripheral faces along the circumferential direction are provided with groove between two parties, the bottom portion of groove of described two sealing gland rings radially is arranged with four through holes, described two are rolled a blue side and are provided with boss and penetrate described main shaft two ends respectively and be located at described valve body both sides by bolt, described two are rolled that blue boss is positioned at the cavity of described valve body both sides and against described two groups of graphite packings, described two gas joints are located at described valve body both sides respectively and are communicated with the groove of described two sealing gland rings, described compression gas pipe connects the input end of described first pressure regulating valve and second pressure regulating valve respectively, the mouth of described first pressure regulating valve and second pressure regulating valve is connected described two gas joints respectively, and described two compression indicators are located at the mouth of described first pressure regulating valve and second pressure regulating valve respectively.
Further, this inlet valve also comprises shutoff valve, and described shutoff valve is located between the input end of described compression gas pipe and first pressure regulating valve and second pressure regulating valve.
Further, above-mentioned two pads are teflon gaskets.
Further, above-mentioned two sealing gland rings are spheroidal graphite iron sealing gland rings.
Because the rotary-type powder inlet valve of the utility model leakproof ash has adopted technique scheme, the main shaft that is this inlet valve is located on the valve body, impeller is located on the main shaft and is positioned at valve body, valve body is respectively equipped with cavity in the both sides that are provided with main shaft, two pads, two sealing gland rings and two groups of graphite packings are inserted in the main shaft two ends respectively successively and lay respectively in the cavity of valve body both sides, two sealing gland ring outer peripheral faces along the circumferential direction are provided with groove between two parties, the bottom portion of groove of two sealing gland rings radially is arranged with four through holes, two are rolled a blue side and are provided with boss and penetrate the main shaft two ends respectively and be located at the valve body both sides by bolt, two are rolled that blue boss is positioned at the cavity of valve body both sides and against two groups of graphite packings, two gas joints are located at the valve body both sides respectively and are communicated with the groove of two sealing gland rings, compression gas pipe connects the input end of first pressure regulating valve and second pressure regulating valve respectively, the mouth of first pressure regulating valve and second pressure regulating valve is connected two gas joints respectively, and two compression indicators are located at the mouth of first pressure regulating valve and second pressure regulating valve respectively.This inlet valve effectively avoids powder to leak, and has guaranteed the good environment of production scene, reduces the powder waste, has reduced productive costs, has improved the service life of inlet valve.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the structural representation of the rotary-type powder inlet valve of the utility model leakproof ash;
Fig. 2 is for rolling blue structural representation in the rotary-type powder inlet valve of this leakproof ash;
Fig. 3 is the lateral plan of Fig. 2;
Fig. 4 is the structural representation of sealing gland ring in the rotary-type powder inlet valve of this leakproof ash;
Fig. 5 is that the A-A of Fig. 4 is to cutaway view.
The specific embodiment
Extremely shown in Figure 5 as Fig. 1, the rotary-type powder inlet valve of the utility model leakproof ash comprises valve body 1, main shaft 2 and impeller 3, described main shaft 2 is located at described valve body 1, described impeller 3 is located on the described main shaft 2 and is positioned at described valve body 1, also comprise two gas joints 8, two pads 4, two sealing gland rings 5, two groups of graphite packings 6, two are rolled blue 7, compression gas pipe 11, first pressure regulating valve 9, second pressure regulating valve 10 and two compression indicator P1, P2, described valve body 1 is respectively equipped with cavity in the both sides that are provided with described main shaft 2, described two pads 4, two sealing gland rings 5 and two groups of graphite packings 6 are inserted in described main shaft 2 two ends respectively successively and lay respectively in the cavity of described valve body 1 both sides, described two sealing gland ring 5 outer peripheral faces along the circumferential direction are provided with groove 51 between two parties, groove 51 bottoms of described two sealing gland rings 5 radially are arranged with four through holes 52, described two are rolled blue 7 one sides and are provided with boss 71 and penetrate described main shaft 2 two ends respectively and be located at described valve body 1 both sides by bolt, described two are rolled that blue 7 boss 71 is positioned at the cavity of described valve body 1 both sides and against described two groups of graphite packings 6, described two gas joints 8 are located at described valve body 1 both sides respectively and are communicated with the groove 51 of described two sealing gland rings 5, described compression gas pipe 11 connects the input end of described first pressure regulating valve 9 and second pressure regulating valve 10 respectively, the mouth of described first pressure regulating valve 9 and second pressure regulating valve 10 is connected described two gas joints 8 respectively, described two compression indicator P1, P2 is located at the mouth of described first pressure regulating valve 9 and second pressure regulating valve 10 respectively.
Further, this inlet valve also comprises shutoff valve 12, and described shutoff valve 12 is located between the input end of described compression gas pipe 11 and first pressure regulating valve 9 and second pressure regulating valve 10.Shutoff valve can turn-off the pressure gas of this inlet valve, is convenient to the maintenance or the maintenance of equipment.
Further, above-mentioned two pads 4 can adopt teflon gasket.
Further, above-mentioned two sealing gland rings 5 can adopt spheroidal graphite iron sealing gland ring.
When this inlet valve main shaft was installed, the inside in valve cavity must install teflon gasket earlier, and pad is installed spheroidal graphite iron sealing gland ring outward again, and three road graphite packings can be dosed in sealing gland ring outside, and the tight power of graphite packing comes from rolls orchid.
This inlet valve is in service, the pressurized air of utilizing compression gas pipe to send here is connected two gas joints through first pressure regulating valve with second pressure regulating valve, compressed-air actuated pressure must be greater than the pressure of powder conveying, the gaseous tension of two pressure regulating valve outputs can be observed by two compression indicators, adjust to a little more than the pressure of carrying in the powder pipeline by the gaseous tension that two pressure regulating valves will be imported inlet valve, adjusted pressurized air is delivered to the periphery of two sealing gland rings by connecting tube and gas joint, groove by sealing gland ring outer peripheral face is evenly distributed on the circumference, enter the main shaft surface by 4 uniform through holes of bottom portion of groove again, simultaneously sealing gland ring and pad add the man-hour internal diameter greater than the main shaft diameter, thereby give set passage of pressurized air, tighten up a little with rolling orchid after dosing three road graphite packings the outside of sealing gland ring, the pressurized air that is sent to the sealing gland ring just can only blow in valve body along set passage, the powder of scurrying outward is blocked in valve inner, avoid the leakage ash and the powder of inlet valve to enter between main shaft and the valve seal, improved the service life of inlet valve.
Claims (4)
1. the rotary-type powder inlet valve of leakproof ash, comprise valve body, main shaft and impeller, described main shaft is located at described valve body, described impeller is located on the described main shaft and is positioned at described valve body, it is characterized in that: also comprise two gas joints, two pads, two sealing gland rings, two groups of graphite packings, two are rolled orchid, compression gas pipe, first pressure regulating valve, second pressure regulating valve and two compression indicators, described valve body is respectively equipped with cavity in the both sides that are provided with described main shaft, described two pads, two sealing gland rings and two groups of graphite packings are inserted in described main shaft two ends respectively successively and lay respectively in the cavity of described valve body both sides, described two sealing gland ring outer peripheral faces along the circumferential direction are provided with groove between two parties, the bottom portion of groove of described two sealing gland rings radially is arranged with four through holes, described two are rolled a blue side and are provided with boss and penetrate described main shaft two ends respectively and be located at described valve body both sides by bolt, described two are rolled that blue boss is positioned at the cavity of described valve body both sides and against described two groups of graphite packings, described two gas joints are located at described valve body both sides respectively and are communicated with the groove of described two sealing gland rings, described compression gas pipe connects the input end of described first pressure regulating valve and second pressure regulating valve respectively, the mouth of described first pressure regulating valve and second pressure regulating valve is connected described two gas joints respectively, and described two compression indicators are located at the mouth of described first pressure regulating valve and second pressure regulating valve respectively.
2. the rotary-type powder inlet valve of leakproof ash according to claim 1, it is characterized in that: this inlet valve also comprises shutoff valve, described shutoff valve is located between the input end of described compression gas pipe and first pressure regulating valve and second pressure regulating valve.
3. the rotary-type powder inlet valve of leakproof ash according to claim 1 and 2, it is characterized in that: described two pads are teflon gaskets.
4. the rotary-type powder inlet valve of leakproof ash according to claim 1 and 2, it is characterized in that: described two sealing gland rings are spheroidal graphite iron sealing gland rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320055029 CN203079224U (en) | 2013-01-31 | 2013-01-31 | Leakage-proof ash rotating type powder feed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320055029 CN203079224U (en) | 2013-01-31 | 2013-01-31 | Leakage-proof ash rotating type powder feed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079224U true CN203079224U (en) | 2013-07-24 |
Family
ID=48825083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320055029 Expired - Lifetime CN203079224U (en) | 2013-01-31 | 2013-01-31 | Leakage-proof ash rotating type powder feed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652305A (en) * | 2019-01-11 | 2019-04-19 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of anaerobism material blending tank |
-
2013
- 2013-01-31 CN CN 201320055029 patent/CN203079224U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652305A (en) * | 2019-01-11 | 2019-04-19 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of anaerobism material blending tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |