CN112178233A - Self-cleaning wear-resistant ash-discharging ball valve - Google Patents
Self-cleaning wear-resistant ash-discharging ball valve Download PDFInfo
- Publication number
- CN112178233A CN112178233A CN202011029208.8A CN202011029208A CN112178233A CN 112178233 A CN112178233 A CN 112178233A CN 202011029208 A CN202011029208 A CN 202011029208A CN 112178233 A CN112178233 A CN 112178233A
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- China
- Prior art keywords
- valve
- valve body
- valve seat
- fixed
- ash discharge
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
本申请为自清理耐磨卸灰球阀，所述球阀包括阀体以及设于阀体中的球体，阀体上还安装有一根阀杆，该阀杆插接于球体顶部上；所述球体底部插接有一下阀杆；其中所述阀体内部的空腔中设有一阀座，其呈环形固定在阀体内部、沿着球体的侧壁密封对接；阀座与球体对接的密封位置设有一刮刀，其类似梯形的片状结构、梯形的一侧边沿着球体贴合、梯形的另一侧边固定于阀座上；阀座内部设有空心的阀腔；靠近阀座的阀体侧壁向外凹陷有一泄灰槽；所述刮刀连接在阀腔与泄灰槽之间的阀座上，沿着球阀内设置刮刀以及容纳污垢的槽，进而可长期使用在较为苛刻、恶劣的锅炉环境下，可自动长期的自清理，在后续可清除积灰，沿着槽的位置拆卸盖清理即可。
The present application is a self-cleaning wear-resistant ash discharge ball valve, the ball valve includes a valve body and a ball body arranged in the valve body, and a valve stem is installed on the valve body, the valve stem is inserted on the top of the ball body; the bottom of the ball body is A valve stem is inserted; wherein the cavity inside the valve body is provided with a valve seat, which is annularly fixed inside the valve body and is sealed and buttted along the side wall of the sphere; The scraper has a trapezoidal sheet-like structure, one side of the trapezoid is fitted along the sphere, and the other side of the trapezoid is fixed on the valve seat; the valve seat is provided with a hollow valve cavity; the side wall of the valve body close to the valve seat There is an ash discharge groove recessed outward; the scraper is connected to the valve seat between the valve cavity and the ash discharge groove, and a scraper and a groove for accommodating dirt are arranged along the ball valve, so that the scraper can be used for a long time in a relatively harsh and harsh boiler environment. It can automatically and long-term self-cleaning, and the dust accumulation can be removed in the follow-up, and the cover can be removed along the groove for cleaning.
Description
Technical Field
The application relates to the field of ball valves, in particular to a self-cleaning wear-resistant ash discharging ball valve.
Background
Ball valves are often used in boiler plumbing to control the piping because the boiler is used in harsh environments and the devices in the boiler are often unusable due to dust and impurities.
Therefore, it is inconvenient to perform maintenance by replacing the apparatus or stopping the boiler removal apparatus for cleaning.
In order to overcome the problems, research and development teams invest a great deal of time and energy and deeply understand the production process, and successfully develop an ash-resistant ball valve, particularly under the severe working condition of an ash discharge pipeline for a boiler device.
Disclosure of Invention
The purpose of the application is: can be used in harsh and severe boiler environment for a long time, can automatically and automatically clean for a long time, and can subsequently discharge ash.
The application aims to be completed through the following technical scheme that the self-cleaning wear-resistant ash discharging ball valve comprises a valve body and a ball body arranged in the valve body, wherein the valve body is also provided with a valve rod which is inserted and connected onto the top of the ball body; a lower valve rod is inserted at the bottom of the sphere; wherein said
A hollow cavity inside the valve body is provided with a
The valve seat is fixed in the valve body in an annular shape and is in sealing butt joint along the side wall of the ball body;
the sealing position of the butt joint of the valve seat and the ball body is provided with a
The scraper is similar to a trapezoidal sheet structure, one side edge of the trapezoid is attached along the ball body, and the other side edge of the trapezoid is fixed on the valve seat;
a hollow valve cavity is arranged in the valve seat; the side wall of the valve body close to the valve seat is recessed outwards to form an ash discharge groove;
the scraper is connected to the valve seat between the valve cavity and the ash discharge groove.
Preferably, the ash chute is an annular cavity which is arranged at the lower side position in the valve body and extends between the lower valve rod and the valve seat.
Preferably, a detachable cover is arranged on the valve body outside the ash discharge groove.
Preferably, the cover has bolts secured along the side walls on the valve body.
Preferably, a sealing ring is clamped between the cover and the side wall of the valve body.
Preferably, the valve seat is annular in whole, is partially of a T-shaped structure, and is provided with valley type sealing structures along the left side, the right side and the lower side of the T-shaped structure.
Preferably, a graphite ring is fixed between the left side of the valve seat and the side wall of the valve body;
an O-shaped ring is fixed between the bottom side of the valve seat and the side wall of the valve body;
the right side of the valve seat is sleeved with an annular pressure plate; an O-shaped ring is fixed between the valve seat and the pressure plate.
Preferably, an annular plate spring is fixedly sleeved between the right side wall of the valve seat and the left side wall of the pressure plate.
Preferably, a packing for sealing and an annular packing pad are fixed between the valve rod and the upper side wall of the valve body;
the packing is arranged at the upper part of the packing pad, and a packing gland is also fixed along the packing;
a sealing gasket for sealing is fixed between the lower valve rod and the lower side wall of the valve body;
and a bottom cover for mounting the lower valve rod is fixed at the bottom of the sealing gasket.
Preferably, the top of the valve rod is fixed with a turbine device for driving the valve rod;
the lower part of the turbine device extends with a bracket for supporting the turbine device;
the support is fixed on the valve body, and a stud and a nut are fixed between the support and the valve body.
Compared with the prior art, the application has the following obvious advantages and effects:
1. set up the scraper and hold the groove of dirt along the ball valve, and then can use for a long time under comparatively harsh, abominable boiler environment, can be automatic long-term self-cleaning, can unload the ash in follow-up, dismantle the lid along the position of groove and clear up and can clear away the deposition.
2. The ash discharging ball valve has the characteristics of labyrinth design of the valve seat, stable sealing performance, capability of avoiding blocking, and capability of avoiding inner leakage erosion caused by failure locking of a spring due to deposition, and the design can effectively ensure the flexibility of the work of the valve seat.
3. The side surface of the valve body is provided with an ash cleaning port, and after the valve is used for a period of time, the ash cleaning treatment can be carried out on the ball body and the inner cavity of the valve body by opening the valve cover, so that the sealing performance of the valve is recovered, and the operation torque is reduced.
Drawings
Fig. 1 is a diagram of the overall structural arrangement of the present application.
Fig. 2 is a structural sectional view taken along a line a-a in fig. 1 of the present application.
Fig. 3 is an enlarged view of the structure of the portion B in fig. 1 of the present application.
List of parts in this application
Detailed Description
Specific embodiments thereof are described below in conjunction with the following description and the accompanying drawings to teach those skilled in the art how to make and use the best mode of the present application. For the purpose of teaching application principles, the following conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the application. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. In the present application, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the invention, and the relative relationship between the terms and the corresponding terms may be changed or adjusted without substantial technical change. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.
Fig. 1 to 3 show a specific embodiment of the self-cleaning wear-resistant dust-discharging ball valve of the present application.
A self-cleaning wear-resistant ash-discharging ball valve comprises a valve body 6 and a ball body 8 arranged in the valve body 6, wherein a valve rod 15 is further arranged on the valve body 6, and the valve rod 15 is inserted on the top of the ball body 8; a lower valve rod 4 is inserted at the bottom of the sphere 8; a valve seat 30 is arranged in a cavity inside the valve body 6, is fixed inside the valve body 6 in an annular shape and is in sealing butt joint with the side wall of the ball body 8; a scraper d is arranged at the butt joint sealing position of the valve seat 30 and the ball body 8, the scraper d is similar to a trapezoidal sheet structure, one side edge of the trapezoid is attached along the ball body 8, and the other side edge of the trapezoid is fixed on the valve seat 30; a hollow valve cavity 31 is arranged in the valve seat 30; the side wall of the valve body 6 close to the valve seat 30 is recessed outwards to form an ash discharge groove 62; scraper d is connected on valve seat 30 between valve pocket 31 and the ash discharge groove 62, sets up the scraper and holds the groove of dirt along the ball valve, and then can use under comparatively harsher, abominable boiler environment for a long time, can automatic long-term self-cleaning, can unload the ash in follow-up, and the position along the groove is dismantled the lid and is cleared up can.
As shown in fig. 1 to 3, the self-cleaning abrasion-resistant dust discharging ball valve in the embodiment of the present application,
specifically, the ball valve comprises a valve body 6 and a ball body 8 arranged in the valve body 6, a valve rod 15 for driving the ball body 8 to rotate is further arranged on the valve body 6, a driving structure is arranged along the outer side, the ball body 8 is conveniently driven, the valve rod 15 is fixedly inserted on the top of the ball body 8, and a lower valve rod 4 is inserted upwards and combined with the bottom of the ball body 8; the fixed support is provided by the lower valve stem 4.
In fig. 1, a cavity is formed in the valve body 6 in a transverse direction and is communicated with the pipeline cavity 61, the specific valve seat 30 is annular, the annular valve seat 30 is fixed in the valve body 6, the surface of the ball 8 is sealed and abutted along the side wall of the ball 8, and the sealing structure is realized through the abutting joint of the ball 8.
In fig. 2, the valve seat 30 is annularly butted against the left side surface of the ball 8 along the vertical direction to realize structural sealing, a sheet-shaped or block-shaped scraper d is arranged at the position of the sealing structure, the cross section of the scraper d is similar to a trapezoidal sheet-shaped structure, for example, the trapezoidal structure is an isosceles trapezoid, so that the bottom edge of the isosceles trapezoid is obliquely fixed on the valve seat 30, the fixed edge of the isosceles trapezoid is attached to the surface of the ball 8, and the cavity is isolated by the isosceles sides at the two sides of the isosceles trapezoid. In the specific scheme, one side edge of the trapezoid is attached along the ball 8, and the other side edge of the trapezoid is fixed on the valve seat 30.
In the embodiment of the present application, referring to fig. 2, it should be noted that a cylindrical hollow valve cavity 31 is disposed inside the valve seat 30, the valve cavity 31 is communicated with the pipe cavity 61, and the position of the valve cavity 31 is a position where a large amount of dirt w is concentrated, and along the structure of a scraper d at the concentrated position of the dirt w, the surface of the ball 8 is scraped in a fitting manner, specifically, the upper surface of the scraper d is in a circular arc structure at the position where the scraper d is attached to the ball 8, and the radian of the circular arc structure is the same as the diameter of the ball 8, so as to ensure sufficient bonding, and further scrape the dirt w downward, wherein a dirt discharge groove 62 is recessed outward from the side wall of the valve body 6 close to the; the dirt w is collected by the dust discharge groove 62 arranged along the bottom position, wherein the scraper d is fixedly connected to the valve seat 30 between the valve chamber 31 and the dust discharge groove 62, specifically the lower position.
Specifically, as shown in fig. 1 and 2, in the embodiment of the present application, the dust discharging groove 62 is an annular cavity, the dust discharging groove 62 is disposed at a lower position inside the valve body 6, the dust discharging groove 62 extends between the lower valve stem 4 and the valve seat 30, and along the position, not only is long-term collection of the dirt facilitated, but also a detachable structure is disposed to facilitate cleaning of the dirt w.
It should be further noted that, as shown in fig. 1, 2 and 3, in the embodiment of the present application, in order to assist the cleaning of the dirt w, a detachable cover 28, which may be a circular cover or a square cover or a rectangular cover or a diamond cover, is fixedly installed on the valve body 6 along the outer side of the ash chute 62, and in particular, the detachable cover is combined into a circular shape to facilitate the sealing in combination with the structure of the ball 8.
Specifically, as shown in fig. 1, 2 and 3, in the embodiment of the present application, in order to achieve detachable fixing, fixing is performed by bolts 27, fixing is performed along the side wall of the valve body 6 by a cover 28, and the fixing is performed by bolts 27 attached to the side wall of the valve body 6. Preferably, for further sealing between the auxiliary structures, a ring-shaped seal ring 29 is interposed between the cover 28 and the side wall of the valve body 6, and is fixed by the seal ring 29, thereby forming a stable sealing structure.
It should be noted that, as shown in fig. 2, in the embodiment of the present application,
the valve seat 30 is of an integral annular structure, is cut open along the local position of an annular section, is of a T-shaped structure, can form a multi-stage labyrinth type sealing structure, is provided with labyrinth type sealing structures along the left side, the right side and the lower side of the T-shaped structure, has high sealing effect due to labyrinth type design, and is characterized in that a graphite ring 12 is fixedly arranged between the left side of the valve seat 30 and the side wall of the valve body 6; an O-shaped ring 13 is fixed between the bottom side of the valve seat 30 and the side wall of the valve body 6; an annular pressure plate 10 is sleeved along the right side of the valve seat 30; an O-ring 9 is fixed between the valve seat 30 and the pressure plate 10. The left and right sealing structures formed in combination with fig. 2 form a multiple ring structure in combination with the whole valve seat 30, wherein the graphite ring 12 has a relatively stable wear-resisting effect.
It should be further noted that, as shown in fig. 1, in the embodiment of the present application, in order to avoid the sealing loss caused by abrasion, a groove-type buffer structure is provided, specifically, the plate spring 11 is used to rebound the valve seat 30, and the tightness of fastening and compactability is realized through the compactibility of the valve seat 30, wherein an annular plate spring 11 is fixedly sleeved between the right side wall of the valve seat 30 and the left side wall of the pressing plate 10. The plate spring 11 has a large elasticity, and further presses the valve seat 30 to ensure sealing.
It should be noted that, as shown in fig. 3, in the embodiment of the present application, in order to further ensure the sealing stability between the valve rod 15 and the valve body 6, a cavity is provided along the upper side wall between the valve rod 15 and the valve body 6 and is filled with a sealing material for sealing, specifically, a fixed filling structure is used, while the sealing material is filled, a sealing blocking structure is provided for preventing the sealing material from leaking, further, while the sealing is ensured, the sealed packing 17 is held by the packing pad 16, an open port is provided along the upper portion of the sealed packing 17, the sealing material can be continuously filled along the open port, and the sealing material is fixed for annular sealing, wherein the packing 17 is provided on the upper portion of the packing pad 16, a packing gland 18 is further fixed along the packing 17, and the sealing position is fastened by the annular gland 18.
Guarantee that upper portion is sealed the time, also seal along the lower part position, and fill sealing material and sealed the pad, it is concrete, set up sealed 3 lower side wall of fixing at lower valve rod 4 and valve body 6 and go out, further airtight along the bottom, consequently set up bottom 2 along the bottom, improve bottom 2's thickness simultaneously to further improve its sealed effect, concrete scheme is: a bottom cap 2 for mounting a lower valve stem 4 is fixed to the bottom of the packing 3.
It should be noted that, as shown in fig. 1, in the embodiment of the present application,
a turbine device 21 for driving the valve rod 15 is fixed at the top of the valve rod; the worm and gear device is adopted to drive the worm and gear by using the turntable-shaped handle, so that stable driving of the structure is realized. A bracket 24 for supporting the turbine device 21 extends downwards along the turbine device 21, the bracket 24 can be fixed on the valve body 6 by adopting a ring-shaped structure, and a disc body at the bottom of the bracket 24 is fastened on the valve body 6 through a stud 25 and a nut 26 to realize detachable fixation.
Aiming at the harsh working conditions of the ash discharge pipeline for the boiler device, a high research and development team invests a large amount of time and energy and deeply understands the production process, and the ash-resistant ball valve is successfully developed.
1. The ash discharging ball valve is characterized in that a valve seat 30 is in labyrinth design: according to the design, a labyrinth structure design is adopted between the valve seat 30 and the spring which are plate springs 11, so that the phenomenon that the spring is locked due to failure due to deposition caused by the entering of particulate matter to cause inner leakage erosion can be effectively prevented, and the flexibility of the work of the valve seat 30 can be effectively guaranteed through the design.
2. Self-cleaning and scraper design: after the valve is opened, the U ball is separated from the valve seat 30, and the valve cavity and the sealing surface are flushed by 360 degrees; when the valve is closed, the ball is gradually close to the valve seat 30, and when the valve is closed in the last stage, in the 3% of full stroke, due to the fact that the knife edge coking scraping mechanisms are arranged on the inner side and the outer side of the sealing surface of the valve seat 30, dirt and particles adhered to the sealing surface of the ball body 8 can be automatically scraped when the valve is opened and closed, the valve seat 30 and the ball sealing surface are continuously scraped and cleaned, the materials adhered to the sealing surface of the ball body and the sealing surface of the ball body are coated, a shearing effect is achieved, the sealing surface of the ball body 8 is kept clean, the.
3. The side surface of the valve body is provided with a dust removing opening, and after the valve is used for a period of time, the valve is difficult to open and close or cannot be sealed due to dust collection at the ball seat part. The design of the ash removal port can perform ash removal treatment on the ball body 8 and the inner cavity of the valve body by opening the cover 28 of the valve after the valve is used for a period of time, thereby restoring the sealing performance of the valve and reducing the operation torque.
4. The wear-resistant ash discharging ball valve designed and developed by the application has long service life reaching 2 years, and the service life of domestic products of the same type is 2-4 months;
5. the sealing surface of the valve is specially coated by metallurgy, and the service life of the product is further ensured by using a cover.
Since any modifications, equivalents, improvements, etc. made within the spirit and principles of the application may readily occur to those skilled in the art, it is intended to be included within the scope of the claims of this application.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029208.8A CN112178233A (en) | 2020-09-27 | 2020-09-27 | Self-cleaning wear-resistant ash-discharging ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029208.8A CN112178233A (en) | 2020-09-27 | 2020-09-27 | Self-cleaning wear-resistant ash-discharging ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178233A true CN112178233A (en) | 2021-01-05 |
Family
ID=73943643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011029208.8A Pending CN112178233A (en) | 2020-09-27 | 2020-09-27 | Self-cleaning wear-resistant ash-discharging ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118669555A (en) * | 2024-08-14 | 2024-09-20 | 四川飞球（集团）有限责任公司 | Wear-resisting all-welded ball valve based on digital remote transmission technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651400U (en) * | 2010-05-07 | 2010-11-24 | 谢章方 | Dust unloading ball valve |
| CN102966751A (en) * | 2012-11-13 | 2013-03-13 | 大众阀门集团有限公司 | U-shaped ball valve for slurry mixing and ash discharging |
| CN204664473U (en) * | 2015-04-28 | 2015-09-23 | 特技阀门集团有限公司 | Replaceable scrapper type metal hard sealing ball valve |
| CN210034503U (en) * | 2019-05-21 | 2020-02-07 | 跃丰阀门制造有限公司 | Soft and hard double sealing's ash discharging ball valve |
| CN212616476U (en) * | 2020-09-27 | 2021-02-26 | 上高集团股份有限公司 | Self-cleaning wear-resistant ash discharging ball valve |
-
2020
- 2020-09-27 CN CN202011029208.8A patent/CN112178233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651400U (en) * | 2010-05-07 | 2010-11-24 | 谢章方 | Dust unloading ball valve |
| CN102966751A (en) * | 2012-11-13 | 2013-03-13 | 大众阀门集团有限公司 | U-shaped ball valve for slurry mixing and ash discharging |
| CN204664473U (en) * | 2015-04-28 | 2015-09-23 | 特技阀门集团有限公司 | Replaceable scrapper type metal hard sealing ball valve |
| CN210034503U (en) * | 2019-05-21 | 2020-02-07 | 跃丰阀门制造有限公司 | Soft and hard double sealing's ash discharging ball valve |
| CN212616476U (en) * | 2020-09-27 | 2021-02-26 | 上高集团股份有限公司 | Self-cleaning wear-resistant ash discharging ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118669555A (en) * | 2024-08-14 | 2024-09-20 | 四川飞球（集团）有限责任公司 | Wear-resisting all-welded ball valve based on digital remote transmission technology |
| CN118669555B (en) * | 2024-08-14 | 2024-11-08 | 四川飞球（集团）有限责任公司 | Wear-resisting all-welded ball valve based on digital remote transmission technology |
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Application publication date: 20210105 |