CN203926884U - Unload grey deslagging ball valve - Google Patents
Unload grey deslagging ball valve Download PDFInfo
- Publication number
- CN203926884U CN203926884U CN201420329165.9U CN201420329165U CN203926884U CN 203926884 U CN203926884 U CN 203926884U CN 201420329165 U CN201420329165 U CN 201420329165U CN 203926884 U CN203926884 U CN 203926884U
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- caveli
- prepass
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000002956 ash Substances 0.000 abstract description 13
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract description 11
- 230000008021 deposition Effects 0.000 abstract description 3
- 238000010926 purge Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
Unload grey deslagging ball valve, include valve gap, valve body and valve rod, described valve gap is provided with prepass, described valve body is provided with rear passage, between the passage of described front and back, it is valve pocket, prepass is provided with front valve seat, rear passage is provided with rear valve base, in valve pocket between the valve seat of front and back, be provided with around valve rod 180 and spend rotating spool, described spool forms ball face sealing pair with front and back valve seat respectively, described spool is spheroid, this spheroid is provided with caveli, described in initial position, the opening of caveli is communicated with prepass, the opening of caveli and rear channel connection described in when valve core rotation 180 is spent, in the process of valve core rotation to 180 degree, the opening of the caveli of spool enters in the valve pocket of sealing, described valve body is provided with insufflation channel, described insufflation channel stretches in rear passage, the air blowing of insufflation channel exports towards spool, be arranged on industrial pipeline end or industry equipment, for the ashes of regularly discharge deposition, band purge hole, can effectively clear up the ashes in valve pocket.
Description
Technical field
The utility model relates to ball valve, particularly be that one is unloaded grey deslagging ball valve.
Background technique
In the automatic control piping system of modern plant, unload grey slag-off valve and play a very important role, the height that unloads grey deslagging ball valve performance is directly connected to the stability and security of whole pipe control system or equipment.In industry, the Unloading ball valve of production and application is to improve on fixing ball valve architecture basics mostly at present, adopt single valve seat structure, when assembling, upper lower valve rod and spheroid are connected and fixed spheroid, this structural requirement machining accuracy is high, seal grade simultaneously and can only reach ISO 5208 D levels, often can not meet the requirement of production.
Model utility content
In view of the technical problem existing in background technique, the technical problem that the utility model solves aims to provide one and unloads grey deslagging ball valve.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
Unload grey deslagging ball valve, include valve gap, valve body and valve rod, described valve gap is provided with prepass, described valve body is provided with rear passage, between the passage of described front and back, it is valve pocket, it is characterized in that: prepass is provided with front valve seat, rear passage is provided with rear valve base, in valve pocket between the valve seat of front and back, be provided with around valve rod 180 and spend rotating spool, described spool forms ball face sealing pair with front and back valve seat respectively, described spool is spheroid, this spheroid is provided with caveli, described in initial position, the opening of caveli is communicated with prepass, the opening of caveli and rear channel connection described in when valve core rotation 180 is spent, in the process of valve core rotation to 180 degree, the opening of the caveli of spool enters in the valve pocket of sealing, described valve body is provided with insufflation channel, described insufflation channel stretches in rear passage, the air blowing of insufflation channel exports towards spool.
This ball valve is also provided with an insufflation channel in addition, and this insufflation channel stretches in valve pocket.
Between described front valve seat and prepass, be provided with graphite circle, belleville spring and packing ring, described belleville spring and packing ring are arranged between graphite circle, and seal ring is established in described front valve seat and prepass rear and front end.
Between described rear valve base and rear passage, be provided with seal ring and sealing gasket, between valve gap and valve body, be provided with pad.
Between described valve rod and valve body, be provided with filler and seal ring, valve rod and spool are in transmission connection.
Described spool respectively and between front valve seat and rear valve base, form scraper type sealing pair.
Described in when described valve core rotation 90 is spent the opening of caveli in sealing valve pocket in.
The utility model is arranged on industrial pipeline end or industry equipment, for the ashes of regularly discharge deposition; Also can be used for other dusty gas pipeline and do the use of deslagging discharging valve; Spool is 180 ° of revolutions, unloads grey performance better; Band purge hole, can effectively clear up the ashes in valve pocket, prevents spool jam, thereby makes sealability more reliable, can effectively improve valve working life; Valve seat, stem position band dustproof construction, prevent that the fine particles such as ashes from entering introducing valve jam between valve seat and valve body, valve rod and valve body under pressure medium effect; Unload in ash or deslagging working procedure, valve only, opening 90 °-180 ° in short-term in semi-open state, is conducive to the stable operation of equipment or pipe-line system; Therefore the utility model compared with prior art has substantive distinguishing features and progress.
Brief description of the drawings
Mode of execution of the present utility model and embodiment's details and working principle are described below in conjunction with accompanying drawing.
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the plan view of the utility model Fig. 1.
Fig. 3 is for unloading grey procedure chart, the view that wherein a is initial position, and b is the view that valve core rotation 90 is spent, c is the view of valve core rotation to 180 degree.
Embodiment
Referring to accompanying drawing, in present embodiment, unload grey deslagging ball valve, include valve gap 8, valve body 1 and valve rod 14, described valve gap is provided with prepass, described valve body is provided with rear passage, between the passage of described front and back, it is valve pocket, prepass is provided with front valve seat 13, rear passage is provided with rear valve base 5, in valve pocket between the valve seat of front and back, be provided with around valve rod 180 and spend rotating spool 6, described spool forms ball face sealing pair with front and back valve seat respectively, described spool is spheroid, this spheroid is provided with caveli 19(caveli and is used for accumulation ashes), described in initial position, the opening of caveli is communicated with prepass, the opening of caveli and rear channel connection described in when valve core rotation 180 is spent, in the process of valve core rotation to 180 degree, the opening of the caveli of spool enters in the valve pocket of sealing (as described in while specifically spending as valve core rotation 90 in the valve pocket of the opening of caveli in sealing), described valve body is provided with insufflation channel 19, described insufflation channel stretches in rear passage, the air blowing of insufflation channel exports towards spool.This ball valve is arranged on industrial pipeline end or industry equipment, for the ashes of regularly discharge deposition; Also can be used for other dusty gas pipeline and make deslagging discharging valve and use, spool is 180 ° of revolutions, unloads grey performance better; Band insufflation channel purges, and can effectively clear up the ashes in valve pocket, prevents spool jam, thereby makes sealability more reliable, can effectively improve valve working life.Unload in ash or deslagging working procedure, valve only, opening 90 ° to 180 ° in short-term in semi-open state, is conducive to the stable operation of equipment or pipe-line system.
This ball valve is also provided with an insufflation channel 19 ' in addition, and this insufflation channel stretches in valve pocket.Ashes in valve pocket further can be cleared up.
Between described front valve seat and prepass, be provided with graphite circle 11, belleville spring 9 and packing ring 12, described belleville spring and packing ring are arranged between graphite circle, and seal ring 10 is established in described front valve seat and prepass rear and front end.Between described rear valve base and rear passage, be provided with seal ring 2,4 and sealing gasket 3.Between described valve rod and valve body, be provided with filler 17 and seal ring 15, wherein 16 is thrust washer, and 18 is Gland, and valve rod and spool are in transmission connection and are with movable valve plug revolution.Valve seat, stem position band dustproof construction, prevent that the fine particles such as ashes from entering introducing valve jam between valve seat and valve body, valve rod and valve body under pressure medium effect.Described spool respectively and between front valve seat and rear valve base, form scraper type sealing pair.Sealing pair is scraper type, has blade construction 20, can clear up the ashes etc. that is deposited on spool face, avoids sealing surface to scratch.Between valve gap and valve body, be provided with pad 7.Sealability and grade are effectively promoted than existing technology.The material of seal ring and graphite circle can be adjusted according to the pressure of operating mode and temperature.
Claims (7)
1. unload grey deslagging ball valve, include valve gap (8), valve body (1) and valve rod, described valve gap is provided with prepass, described valve body is provided with rear passage, between the passage of described front and back, it is valve pocket, it is characterized in that: prepass is provided with front valve seat (13), rear passage is provided with rear valve base (5), in valve pocket between the valve seat of front and back, be provided with around valve rod 180 and spend rotating spool (6), described spool forms ball face sealing pair with front and back valve seat respectively, described spool is spheroid, this spheroid is provided with caveli (19), described in initial position, the opening of caveli is communicated with prepass, the opening of caveli and rear channel connection described in when valve core rotation 180 is spent, in the process of valve core rotation to 180 degree, the opening of the caveli of spool enters in the valve pocket of sealing, described valve body is provided with insufflation channel (19), described insufflation channel stretches in rear passage, the air blowing of insufflation channel exports towards spool.
2. as claimed in claim 1ly unload grey deslagging ball valve, it is characterized in that: this ball valve is also provided with an insufflation channel in addition, and this insufflation channel stretches in valve pocket.
3. as claimed in claim 1 or 2ly unload grey deslagging ball valve, it is characterized in that: between described front valve seat and prepass, be provided with graphite circle (11), belleville spring (9) and packing ring (12), described belleville spring and packing ring are arranged between graphite circle, and seal ring is established in described front valve seat and prepass rear and front end.
4. as claimed in claim 1 or 2ly unload grey deslagging ball valve, it is characterized in that: between described rear valve base and rear passage, be provided with seal ring and sealing gasket, between valve gap and valve body, be provided with pad.
5. as claimed in claim 1 or 2ly unload grey deslagging ball valve, it is characterized in that: between described valve rod and valve body, be provided with filler (17) and seal ring, valve rod and spool are in transmission connection.
6. as claimed in claim 1 or 2ly unload grey deslagging ball valve, it is characterized in that: described spool respectively and between front valve seat and rear valve base, form scraper type sealing pair.
7. as claimed in claim 1ly unload grey deslagging ball valve, it is characterized in that: described in when described valve core rotation 90 is spent in the valve pocket of the opening of caveli in sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329165.9U CN203926884U (en) | 2014-06-20 | 2014-06-20 | Unload grey deslagging ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329165.9U CN203926884U (en) | 2014-06-20 | 2014-06-20 | Unload grey deslagging ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926884U true CN203926884U (en) | 2014-11-05 |
Family
ID=51822696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329165.9U Expired - Lifetime CN203926884U (en) | 2014-06-20 | 2014-06-20 | Unload grey deslagging ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879573A (en) * | 2020-06-22 | 2020-11-03 | 安徽创华自控仪表设备有限公司 | Pipeline sampling valve |
-
2014
- 2014-06-20 CN CN201420329165.9U patent/CN203926884U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879573A (en) * | 2020-06-22 | 2020-11-03 | 安徽创华自控仪表设备有限公司 | Pipeline sampling valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ash and slag discharging ball valve Effective date of registration: 20150703 Granted publication date: 20141105 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd. Square Branch Pledgor: ZHEJIANG LINUO FLOW CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2015990000530 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170809 Granted publication date: 20141105 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd. Square Branch Pledgor: ZHEJIANG LINUO FLOW CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2015990000530 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ash and slag discharging ball valve Effective date of registration: 20170809 Granted publication date: 20141105 Pledgee: Zhejiang Ruian City Commercial Bank of China Limited by Share Ltd. Square Branch Pledgor: ZHEJIANG LINUO FLOW CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2017990000729 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180806 Granted publication date: 20141105 Pledgee: Zhejiang Ruian City Commercial Bank of China Limited by Share Ltd. Square Branch Pledgor: ZHEJIANG LINUO FLOW CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2017990000729 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |