CN201475376U - Labyrinth high-pressure gas release valve - Google Patents
Labyrinth high-pressure gas release valve Download PDFInfo
- Publication number
- CN201475376U CN201475376U CN2009201617130U CN200920161713U CN201475376U CN 201475376 U CN201475376 U CN 201475376U CN 2009201617130 U CN2009201617130 U CN 2009201617130U CN 200920161713 U CN200920161713 U CN 200920161713U CN 201475376 U CN201475376 U CN 201475376U
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- valve
- bonnet
- valve body
- pressurized gas
- runner
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- Expired - Lifetime
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Abstract
The utility model relates to the technical field of valve design, and particularly discloses a labyrinth high-pressure gas release valve. Depressurization and noise reduction are realized through a labyrinth disc in a valve core component, and the labyrinth high-pressure gas release valve integrates a stop valve, a pressure reduction valve and a noise suppressor into a whole, thereby having the advantages of novel structure and convenient assembly and maintenance.
Description
Technical field
The utility model belongs to the valve design technical field, is specifically related to a kind of mazy type emptying valve.
Background technique
The noise that pressurized gas emptying produces often occurs in petrochemical plant, and the harm that how to abate the noise is the important content in the safety and environmental protection work.Along with technical development, the working pressure of petrochemical industry in-plant equipment and container is more and more higher, and according to technological requirement, sometimes steam, pressurized air or other process gas must be done the emptying processing in high-tension apparatus or container, when pressurized gas when relief opening discharges at a high speed, not only endanger the post operation personnel and send strong noise, also plant environment is caused noise pollution down to factory's external environmemt.At present, the noise reduction of pressurized gas emptying noise generally adopts silencing apparatus, before the silencing apparatus stop valve must be set, and also reduction valve need be set when pressure medium is higher, and pipeline is provided with complexity, and muffler volume is huge, the maintenance cost height.Therefore need a kind of valve to integrate the valve simple in structure of the function of reduction valve, stop valve and silencing apparatus.
Summary of the invention
The purpose of this utility model is to provide a kind of and has by function, can realize reducing pressure, reduces gas flow rate simultaneously, reduces the gaseous emission noise, prolongs the valve internal component pressurized gas mazy type atmospheric valve in working life.
The technical solution of the utility model is as follows: a kind of pressurized gas mazy type atmospheric valve, it comprises valve body and valve seat, be provided with mangetic core assembly in the cavity of valve body, be fixed with bonnet on valve body top, the bonnet outer wall is provided with boss, middle flange is stuck on the boss of bonnet, and flange and valve body are fixed in making by screw, thereby compress bonnet; Bonnet is provided with the through hole that communicates with the valve body cavity, is provided with hold-down grid on bonnet, and valve rod runs through cavity, the mangetic core assembly of valve body, the through hole and the hold-down grid of bonnet, and valve body lower end is provided with valve head, and valve body is installed on the valve seat by valve head; In the through hole of bonnet, outside the valve rod, be provided with filler gland, filler, filler spacer ring and Packing seat successively, wherein: described mangetic core assembly comprise cover plate, pressing plate and be located at pressing plate and cover plate between the labyrinth disc, each labyrinth disc is provided with the runner of right-angled bend, runner is becoming rectangle perpendicular to the cross section on the direction of card, and it is radial that runner is on radial direction, and the area of rectangular cross-section amplifies to the external diameter direction gradually from the internal diameter of labyrinth disc.
In above-mentioned pressurized gas mazy type atmospheric valve: be provided with O type circle between bonnet and the valve body cavity.
In above-mentioned pressurized gas mazy type atmospheric valve: be provided with 10～50 labyrinth discs between described cover plate and the pressing plate.
In above-mentioned pressurized gas mazy type atmospheric valve: the runner quantity on described each labyrinth disc is 4～20.
In above-mentioned pressurized gas mazy type atmospheric valve: the rectangular cross-section area of the runner on the disc of described labyrinth amplifies according to 1.1～1.5 magnification factor to the external diameter direction step by step from internal diameter.
The beneficial effects of the utility model: realized step-down and noise abatement by the labyrinth disc in the mangetic core assembly, integrated stop valve, reduction valve and silencing apparatus, novel structure assembles easy to maintenance.
Description of drawings
The structural representation of the pressurized gas mazy type atmospheric valve that Fig. 1 provides for the utility model;
The top plan view of the pressurized gas mazy type atmospheric valve that Fig. 2 provides for the utility model;
The pressurized gas mazy type atmospheric valve labyrinth disc schematic representation that Fig. 3 provides for the utility model;
Among the figure: 1. valve body; 2. mangetic core assembly; 3. valve rod; 4. bonnet; 5. middle flange; 6. hold-down grid; 7. filler gland; 8. filler; 9. filler spacer ring; 10. Packing seat; 11.O type circle; 12. cover plate; 13. labyrinth disc; 14. pressing plate; 15. valve seat; 16. valve head.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail.
As depicted in figs. 1 and 2, mangetic core assembly 2 is installed in the cavity of valve body 1, mangetic core assembly 2 comprises labyrinth disc 13, and disc 13 bottoms in labyrinth are equipped with cover plate 12, and top is compressed by pressing plate 14, bonnet 4 is installed on the pressing plate 14, bonnet 4 is installed in valve body 1 top by 11 sealings of O type circle, and bonnet 4 outer walls are processed with boss, and middle flange 5 is stuck on the boss of bonnet 4, make middle flange 5 fixing by screw, thereby compress bonnet 4 with valve body 1; Have through hole in the bonnet 4, valve rod 3 passes mangetic core assembly 2 in the valve body 1 and the through hole on the bonnet 4; In bonnet 4 through holes, outside the valve rod 1 Packing seat 10 is installed, the outside filler 8 of filling is settled filler spacer rings 9 in the filler 8, compress by filler gland 7 on the filler 8, hold-down grid 6 is installed on the filler gland 7, and makes valve rod 3 pass hold-down grid 6; Valve body 1 lower end valve head 16 is installed in the valve seat 15, guarantees the sealability of atmospheric valve by the differential seat angle that is provided with between valve head 16 and the valve seat 15, guarantees that interior leakage does not take place valve.
As shown in Figure 3, the labyrinth disc in the mangetic core assembly in the present embodiment 2 can be 10,30 or 50.Can be provided with the runner in 4,10 or 20 rectangular cross sections on each disc, runner radially distributes on radial direction.The area of rectangular cross-section can amplify according to 1.1,1.2 or 1.5 magnification factor step by step from internal diameter to the external diameter direction, and the minimum area of rectangular cross-section can be 1mm
2, 3mm
2Perhaps 5mm
2Valve rod 3 moves up and down in mangetic core assembly 2 inside, requires to make the disc of medium by varying number according to process system, thus the control emptying flow.
The utility model is applicable to the occasion of pressurized gas emptying, also is applicable to the occasion of high pressure air reducing, and the excursion of its Cv value is very wide, can the selecting straight line, equal percentage, open and parabola etc. soon of Flow characteristics.
Claims (5)
1. pressurized gas mazy type atmospheric valve, it comprises valve body (1) and valve seat (15), be provided with mangetic core assembly (2) in the cavity of valve body (1), be fixed with bonnet (4) on valve body (1) top, bonnet (4) outer wall is provided with boss, middle flange (5) is stuck on the boss of bonnet (4), makes middle flange (5) and valve body (1) fixing by screw, thereby compresses bonnet (4); Bonnet (4) is provided with the through hole that communicates with valve body (1) cavity, on bonnet (4), be provided with hold-down grid (6), valve rod (3) runs through cavity, the mangetic core assembly (2) of valve body (1), the through hole and the hold-down grid (6) of bonnet (4), valve body (1) lower end is provided with valve head (16), and valve body (1) is installed on the valve seat (15) by valve head (16); In the through hole of bonnet (4), the outer filler gland (7) that is provided with successively of valve rod (3), filler (8), filler spacer ring (9) and Packing seat (10), it is characterized in that: described mangetic core assembly (2) comprises cover plate (12), pressing plate (14) and be located at pressing plate (14) and cover plate (12) between labyrinth disc (13), each labyrinth disc (13) is provided with the runner of right-angled bend, runner is becoming rectangle perpendicular to the cross section on the direction of card, and it is radial that runner is on radial direction, and the area of rectangular cross-section amplifies to the external diameter direction gradually from the internal diameter of labyrinth disc (13).
2. pressurized gas mazy type atmospheric valve as claimed in claim 1 is characterized in that: be provided with O type circle (11) between bonnet (4) and valve body (1) cavity.
3. pressurized gas mazy type atmospheric valve as claimed in claim 1 or 2 is characterized in that: be provided with 10～50 labyrinth discs (13) between described cover plate (12) and the pressing plate (14).
4. pressurized gas mazy type atmospheric valve as claimed in claim 1 or 2 is characterized in that: the runner quantity on described each labyrinth disc (13) is 4～20.
5. pressurized gas mazy type atmospheric valve as claimed in claim 1 or 2 is characterized in that: the rectangular cross-section area of the runner on the described labyrinth disc (13) amplifies according to 1.1～1.5 magnification factor to the external diameter direction step by step from internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201617130U CN201475376U (en) | 2009-07-13 | 2009-07-13 | Labyrinth high-pressure gas release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201617130U CN201475376U (en) | 2009-07-13 | 2009-07-13 | Labyrinth high-pressure gas release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201475376U true CN201475376U (en) | 2010-05-19 |
Family
ID=42411624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201617130U Expired - Lifetime CN201475376U (en) | 2009-07-13 | 2009-07-13 | Labyrinth high-pressure gas release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201475376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415732A (en) * | 2011-03-07 | 2013-11-27 | 株式会社三国 | Means for mounting check valve into housing comprising fluid path therein |
| CN110220045A (en) * | 2019-07-15 | 2019-09-10 | 乐山市前沿油气设备制造有限公司 | A kind of vent stop valve equipped with noise reduction labyrinth sleeve |
-
2009
- 2009-07-13 CN CN2009201617130U patent/CN201475376U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415732A (en) * | 2011-03-07 | 2013-11-27 | 株式会社三国 | Means for mounting check valve into housing comprising fluid path therein |
| CN103415732B (en) * | 2011-03-07 | 2015-03-11 | 株式会社三国 | Means for mounting check valve into housing comprising fluid path therein |
| CN110220045A (en) * | 2019-07-15 | 2019-09-10 | 乐山市前沿油气设备制造有限公司 | A kind of vent stop valve equipped with noise reduction labyrinth sleeve |
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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 |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |