CN212480213U

CN212480213U - Full lining ceramic C valve

Info

Publication number: CN212480213U
Application number: CN202021905748.3U
Authority: CN
Inventors: 金浩军; 刘世浩; 王新军
Original assignee: Yantai Kingway Science & Technology Co ltd
Current assignee: Yantai Kingway Science & Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-02-05
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses full lining pottery C valve includes: left flange, left flange inside lining, a valve seat, the case, the upper ledge, the valve rod, right flange inside lining, right flange and fixed axle, left side flange and right flange pass through the connecting piece and fix together, it has the hole of perpendicular to left flange and right flange central line to open on the right flange that is close to left flange, the upper ledge is equipped with on the hole, right flange inside lining is equipped with in the right flange, left flange inside lining is equipped with at left flange left end, the disk seat is equipped with in left flange and right flange inside lining between left flange inside lining and right flange inside lining, the valve rod passes in the valve pocket that the upper ledge got into by disk seat and right flange inside lining, the case is equipped with in the valve pocket, the: the valve comprises a C-shaped support lug and a spherical crown, wherein the upper end of the C-shaped support lug is connected with a valve rod, the lower end of the C-shaped support lug rotates around a fixed shaft, the spherical crown is fixed on the end face, facing a left flange, between the upper end and the lower end of the C-shaped support lug, the rotating shaft of a valve core and the rotating shafts of the valve rod and the fixed shaft are on the same straight line, and the spherical surface of the spherical crown is always attached to a valve seat.

Description

Full lining ceramic C valve

Technical Field

The utility model relates to a valve field, especially a ceramic C valve is lined entirely.

Background

At present, in various chemical industries, such as coal chemical industry, salt chemical industry, titanium dioxide and the like, there are working conditions that a plurality of media are corrosive, viscous, easy to crystallize, easy to agglomerate, easy to scale, easy to block and block due to hard particles and strict sealing requirements.

The existing metal hard sealing ball valve, butterfly valve, gate valve, sliding plate valve and the like are not corrosion resistant, and the sealing pair is easily washed out and loses efficacy, thus causing internal leakage of the valve;

the valve cavity of the existing ceramic ball valve is easy to accumulate materials, when the materials are crystallized and agglomerated, the phenomenon that a ceramic valve core is locked and the torque is increased can occur, and forced opening easily causes the ceramic valve core to be cracked and the valve fails.

The valve core and the valve rod rotating center of the existing ceramic eccentric rotary valve are designed eccentrically, although the sealing pair is made of ceramic materials, the valve seat and the valve core can be separated at the moment when the valve is opened, if materials are bonded on the sealing surface of the valve seat, the valve core cannot be hung off, and the phenomena of poor valve sealing and serious internal leakage can occur.

To sum up, a valve which is corrosion-resistant and erosion-resistant, can overcome various blocking, can be adjusted and cut off and has excellent sealing performance is needed to solve the working conditions with severe requirements.

Disclosure of Invention

The invention aims to overcome the defects of the existing valve and provides a full-lining ceramic C valve which has the advantages of long-term reliable operation under the working conditions of severe corrosivity or scouring and easy crystallization, agglomeration and blocking.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

the utility model discloses a full lining pottery C valve, it includes: left flange, left flange inside lining, a valve seat, the case, the upper ledge, the valve rod, right flange inside lining, right flange and fixed axle, left flange and right flange pass through the connecting piece to be fixed together, it has the hole of perpendicular to left flange and right flange central line to open on the right flange that is close to left flange, the upper ledge is equipped with on this hole, right flange inside lining is equipped with in the right flange, left flange inside lining is equipped with at the left end of left flange, the disk seat is equipped with in left flange between left flange inside lining and right flange inside lining, the valve rod passes the upper ledge and enters into the valve pocket of compriseing disk seat and right flange inside lining, the case is equipped with in the valve pocket, wherein: the valve core includes: the valve comprises a C-shaped support lug and a spherical crown, wherein the upper end of the C-shaped support lug is connected with a valve rod, the lower end of the C-shaped support lug is fixed on a right flange lining and a right flange through a fixed shaft, the C-shaped support lug rotates around the fixed shaft, the spherical crown is fixed on the end face, facing the left flange, between the upper end and the lower end of the C-shaped support lug, the spherical crown is made of ceramic materials or integrally sintered hard alloy, a rotating shaft of a valve core and rotating shafts of the valve rod and the fixed shaft are on the same straight line, the spherical surface of the spherical crown is always attached to a valve seat, and the valve core is controlled to.

The utility model discloses a full lining pottery C valve, wherein: the cross-sectional area of the end face between the upper end and the lower end of the C-shaped lug toward the left flange is larger than the cross-sectional area of the inner diameter of the valve seat at the corresponding position and smaller than the cross-sectional area of the outer diameter of the valve seat at the corresponding position.

The utility model discloses a full lining pottery C valve, wherein: the center lines of the left flange and the right flange are on the same straight line.

The utility model discloses a full lining pottery C valve, wherein: it still includes: and the spring ring is arranged between the left flange and the valve seat, one side of the spring ring is propped against the left flange, and the other side of the spring ring is propped against the valve seat, so that the valve seat is tightly attached to the spherical surface of the spherical crown.

The utility model discloses a full lining pottery C valve, wherein: the end face, facing the left flange, of the C-shaped support lug is provided with a raised threaded shaft, the spherical crown is sleeved on the raised threaded shaft, and the spherical crown is fixed on the C-shaped support lug through a nut.

The utility model discloses a full lining pottery C valve, wherein: screw holes are arranged on the C-shaped support lug and the spherical crown, and screws pass through the screw holes to fix the spherical crown on the C-shaped support lug.

The utility model discloses a full lining pottery C valve, wherein: the spherical crown contacted with the C-shaped support lug is provided with a wedge-shaped spherical crown protruding block, a wedge-shaped ring is sleeved on the wedge-shaped spherical crown protruding block, and the spherical crown is fixed on the C-shaped support lug through the outer circumference of the wedge-shaped ring and the corresponding thread of the C-shaped support lug.

The utility model discloses a full lining pottery C valve, wherein: it still includes: the packing ring and the packing pressing ring are sequentially arranged between the upper platform and the valve rod from bottom to top, and the packing pressing plate penetrates through the upper end of the valve rod and is fixed on the packing pressing ring through threads on the packing pressing plate and the valve rod.

The utility model discloses a full lining pottery C valve, wherein: the left flange lining, the valve seat and the right flange lining are made of ceramic materials or integrally sintered hard alloy, and the C-shaped support lug, the valve rod and the fixing shaft are made of corrosion-resistant alloy.

The utility model discloses a full lining pottery C valve, wherein: a sealing filler is arranged between the valve seat and the right flange lining; and a sealing filler is arranged between the upper platform and the right flange lining, and a sealing filler is arranged between the fixed shaft and the right flange lining.

The utility model discloses the case of full lining pottery C valve remains throughout in rotatory process and the sealed face laminating of disk seat, can scrape the material that bonds on sealing pair, better assurance valve sealing performance, compound C type ceramic valve core only has one side to be equipped with the disk seat, the opposite side is the cavity, easy crystallization caking material is difficult for piling up, left flange inside lining, right flange inside lining, disk seat, spherical crown are the ceramic material, realized the interior full lining pottery of valve runner, ensured the antiscour performance of valve. The valve core is always attached to the sealing surface of the valve seat in the rotating process, so that materials bonded on the sealing pair can be scraped, and the sealing performance of the valve is better ensured; the C-shaped support lug directly bears the rotation torque transmitted by the valve rod, so that the valve is better applied to the working conditions that the medium is thick and easy to crystallize, agglomerate and scale.

Left flange inside lining and disk seat between realize sealed through gland packing, realize sealing through gland packing between disk seat and the right flange inside lining, go up and realize sealing through gland packing between platform and the right flange inside lining, realize sealing through gland packing between fixed axle and the right flange inside lining, through above-mentioned these sealed forms for fluid medium can't contact the metal casing of valve, meet the strong medium of corrosivity, only need with C type journal stirrup, valve rod and fixed axle adopt corrosion resistant alloy can, reduced the manufacturing cost of valve.

Drawings

FIG. 1 is a schematic cross-sectional view of a fully lined ceramic C-valve of the present invention;

FIG. 2 is a schematic cross-sectional view of a first connection between the spherical cap and the C-shaped ear;

FIG. 3 is a schematic cross-sectional view of a second connection of the spherical cap and the C-shaped ear;

fig. 4 is a schematic cross-sectional view of a third connection of the spherical cap and the C-shaped lug.

In fig. 1 to 4, reference numeral 1 is a left flange; reference numeral 2 is a left flange liner; reference numeral 3 is a valve seat; reference numeral 4 is a valve core; reference numeral 5 is a spring ring; reference numeral 6 is a right flange liner; reference 7 is a packing ring; reference numeral 8 is an upper stage; reference numeral 9 is a packing press ring; reference numeral 10 is a valve stem; reference numeral 11 is a packing press plate; reference numeral 12 is a right flange; reference numeral 13 is a fixed shaft; numeral 14 is a spherical cap; reference numeral 15 is a valve chamber; reference numeral 16 is a C-shaped lug; reference numeral 17 is a convex threaded shaft; reference numeral 18 is a wedge-shaped spherical crown convex block; reference numeral 19 is a wedge ring.

Detailed Description

As shown in FIG. 1, the utility model discloses full lining pottery C valve includes: the valve comprises a left flange 1, a left flange lining 2, a valve seat 3, a valve core 4, an upper platform 8, a valve rod 10, a spring ring 5, a right flange lining 6, a right flange 12, a fixed shaft 13, a packing ring 7, a packing press ring 9 and a packing press plate 11, wherein the central lines of the left flange 1 and the right flange 12 are on the same straight line, the left flange 1 and the right flange 12 are fixed together through a connecting piece, a hole perpendicular to the central lines of the left flange 1 and the right flange 12 is formed in the right flange 12 close to the left flange 1, the upper platform 8 is arranged on the hole, the right flange lining 6 is arranged in the right flange 12, the left flange lining 2 is arranged at the left end of the left flange 1, the valve seat 3 is arranged in the left flange 1 and the right flange lining 6 between the left flange lining 2 and the right flange lining 6, the valve rod 10 penetrates through the upper platform 8 to enter a valve cavity 15 consisting of the valve seat 3 and the right flange lining 6, the packing ring 7 and the packing, the packing pressing plate 11 penetrates through the upper end of the valve rod 10, and the packing pressing plate 11 is fixed on the packing pressing ring 9 through threads on the packing pressing plate 11 and the valve rod 10.

A valve core 4 is arranged in the valve cavity 15, and the valve core 4 comprises: the valve comprises a C-shaped support lug 16 and a spherical crown 14, wherein the upper end of the C-shaped support lug 16 is connected with the valve rod 10, the lower end of the C-shaped support lug 16 is fixed on the right flange lining 6 and the right flange 12 through a fixing shaft 13, and the central lines of the valve rod 10 and the fixing shaft 13 are on the same straight line. The cross-sectional area of the end surface facing the left flange 1 between the upper and lower ends of the C-shaped lug 16 is larger than the cross-sectional area of the inner diameter of the valve seat 3 at the corresponding position and smaller than the cross-sectional area of the outer diameter of the valve seat 3 at the corresponding position. The C-shaped support lug 16 rotates around the fixed shaft 13, a spherical crown 14 is fixed on the end face between the upper end and the lower end of the C-shaped support lug 16 and facing the left flange 1, the rotating shaft of the valve core 4 and the rotating shafts of the valve rod 10 and the fixed shaft 13 are on the same straight line, the spherical crown 14 is made of ceramic materials or integrally sintered hard alloy, a spring ring 5 is arranged between the left flange 1 and the valve seat 3, one side of the spring ring is propped against the left flange 1, the other side of the spring ring is propped against the valve seat 3, the valve seat 3 is always clung to the spherical surface of the spherical crown 14, and the opening and closing of the valve core 4 are controlled.

As shown in fig. 2, the end surface of the C-shaped support lug 16 facing the left flange 1 is provided with a convex threaded shaft 17, the spherical crown 14 is sleeved on the convex threaded shaft 17, and the spherical crown 14 is fixed on the C-shaped support lug 16 through a nut.

As shown in fig. 3, the C-shaped lug 16 and the spherical cap 14 are provided with screw holes through which screws are inserted to fix the spherical cap 14 to the C-shaped lug 16.

As shown in fig. 4, a wedge-shaped crown protrusion 18 is provided on the spherical crown 14 where the spherical crown 14 contacts the C-shaped lug 16, a wedge-shaped ring 19 is fitted over the wedge-shaped crown protrusion 18, and the spherical crown 14 is fixed to the C-shaped lug 16 by the outer circumference of the wedge-shaped ring 19 and the corresponding thread of the C-shaped lug 16.

The left flange lining 2, the valve seat 3 and the right flange lining 6 are made of ceramic materials or integrally sintered hard alloy, and the C-shaped support lug 16, the valve rod 10 and the fixed shaft 13 are made of corrosion-resistant alloy.

The utility model discloses a double seal design is equipped with seal gasket and the double seal structure of sealing washer between left flange 1 and the right flange 12, and the better valve of assurance is not leaked outward (not drawn in the picture). The material of the packing ring 7 and the packing press ring 9 includes but is not limited to rubber material, tetrafluoro material, graphite material, etc. The utility model discloses full lining pottery C valve has that sealing performance is good, and is stand wear and tear, corrosion-resistant, prevents that the card is stifled, long service life, advantages such as compact structure.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A fully lined ceramic C-valve comprising: the valve core structure comprises a left flange (1), a left flange lining (2), a valve seat (3), a valve core (4), an upper platform (8), a valve rod (10), a right flange lining (6), a right flange (12) and a fixed shaft (13), wherein the left flange (1) and the right flange (12) are fixed together through a connecting piece, a hole perpendicular to the central lines of the left flange (1) and the right flange (12) is formed in the right flange (12) close to the left flange (1), the upper platform (8) is arranged on the hole, the right flange lining (6) is arranged in the right flange (12), the left flange lining (2) is arranged at the left end of the left flange (1), the valve seat (3) is arranged in the left flange (1) and the right flange lining (6) between the left flange lining (2) and the right flange lining (6), the valve rod (10) penetrates through the upper platform (8) and enters a valve cavity (15) consisting of the valve seat (3) and the right flange lining (6), a valve core (4) is arranged in the valve cavity (15), and the valve is characterized in that: the spool (4) includes: the valve core is characterized by comprising a C-shaped support lug (16) and a spherical crown (14), wherein the upper end of the C-shaped support lug (16) is connected with a valve rod (10), the lower end of the C-shaped support lug (16) is fixed on a right flange lining (6) and a right flange (12) through a fixing shaft (13), the C-shaped support lug (16) rotates around the fixing shaft (13), the spherical crown (14) is fixed on the end face, facing the left flange (1), between the upper end and the lower end of the C-shaped support lug (16), the spherical crown (14) is made of ceramic materials or integrally sintered hard alloy, the rotating shaft of the valve core (4) and the rotating shafts of the valve rod (10) and the fixing shaft (13) are in the same straight line, the spherical surface of the spherical crown (14) is always attached to the valve seat (3), and the opening and closing of the valve core (4).

2. The fully lined ceramic C-valve of claim 1, wherein: the cross-sectional area of the end face between the upper end and the lower end of the C-shaped lug (16) facing the left flange (1) is larger than the cross-sectional area of the inner diameter of the valve seat (3) at the corresponding position and smaller than the cross-sectional area of the outer diameter of the valve seat (3) at the corresponding position.

3. The fully lined ceramic C-valve of claim 2, wherein: the center lines of the left flange (1) and the right flange (12) are on the same straight line.

4. The fully lined ceramic C-valve of claim 3, wherein: it still includes: and the spring ring (5) is arranged between the left flange (1) and the valve seat (3), one side of the spring ring (5) is propped against the left flange (1), and the other side of the spring ring is propped against the valve seat (3), so that the valve seat (3) is clung to the spherical surface of the spherical crown (14).

5. The fully lined ceramic C-valve of claim 4, wherein: the end face, facing the left flange (1), of the C-shaped support lug (16) is provided with a protruding threaded shaft (17), the spherical crown (14) is sleeved on the protruding threaded shaft (17), and the spherical crown (14) is fixed on the C-shaped support lug (16) through a nut.

6. The fully lined ceramic C-valve of claim 4, wherein: screw holes are arranged on the C-shaped support lug (16) and the spherical crown (14), and screws pass through the screw holes to fix the spherical crown (14) on the C-shaped support lug (16).

7. The fully lined ceramic C-valve of claim 4, wherein: a wedge-shaped spherical crown protruding block (18) is arranged on the spherical crown (14) which is contacted with the C-shaped support lug (16), a wedge-shaped ring (19) is sleeved on the wedge-shaped spherical crown protruding block (18), and the spherical crown (14) is fixed on the C-shaped support lug (16) through the outer circumference of the wedge-shaped ring (19) and the corresponding thread of the C-shaped support lug (16).

8. The fully lined ceramic C-valve of claim 5, 6 or 7, wherein: it still includes: packing ring (7), packing clamping ring (9) and packing clamp plate (11), from the bottom up is equipped with packing ring (7) and packing clamping ring (9) in proper order between upper platform (8) and valve rod (10), and packing clamp plate (11) pass the upper end of valve rod (10), through the screw thread on packing clamp plate (11) and valve rod (10), fixes packing clamp plate (11) on packing clamping ring (9).

9. The fully lined ceramic C-valve of claim 8, wherein: the left flange lining (2), the valve seat (3) and the right flange lining (6) are made of ceramic materials or integrally sintered hard alloy, and the C-shaped support lug (16), the valve rod (10) and the fixed shaft (13) are made of corrosion-resistant alloy.

10. The fully lined ceramic C-valve of claim 9, wherein: a sealing filler is arranged between the valve seat (3) and the right flange lining (6); sealing filler is arranged between the upper platform (8) and the right flange lining (6), and the sealing filler is arranged between the fixed shaft (13) and the right flange lining (6).