阅读说明：本技术 一种耐酸衬里角式钟罩阀 (Acid-proof lining angle type bell jar valve ) 是由 刘昌灯 谢健军 王强 唐张献 钱茂祥 于 2020-12-21 设计创作，主要内容包括：本发明公开了一种耐酸衬里角式钟罩阀,涉及阀门领域,包括设有进口和出口的阀体、阀盖、阀杆、与阀杆上端连接的驱动装置、安装在阀杆下端的阀瓣以及与阀瓣配合的阀座,所述阀体下端设有底座,所述底座与所述阀座固定连接,所述阀座可拆装地安装在所述阀体的下端,所述阀盖底面、阀体内壁、阀座内壁以及阀瓣底面都分别设有固定安装的龟甲网以及浇注在龟甲网内的衬里。本发明具有耐腐蚀,使用寿命长,工作稳定性好的优点。(The invention discloses an acid-resistant lining angle type bell jar valve, which relates to the field of valves and comprises a valve body with an inlet and an outlet, a valve cover, a valve rod, a driving device connected with the upper end of the valve rod, a valve clack arranged at the lower end of the valve rod and a valve seat matched with the valve clack, wherein the lower end of the valve body is provided with a base, the base is fixedly connected with the valve seat, the valve seat is detachably arranged at the lower end of the valve body, and the bottom surface of the valve cover, the inner wall of the valve body, the inner wall of the valve seat and the bottom surface of the valve clack are respectively provided with. The invention has the advantages of corrosion resistance, long service life and good working stability.)

1. The utility model provides an acidproof lining angle formula bell jar valve, includes valve body (1), valve gap (2), valve rod (3) that are equipped with import and export, drive arrangement (4) be connected with valve rod (3) upper end, install valve clack (5) at valve rod (3) lower extreme and with valve clack (5) complex disk seat (6), its characterized in that: valve seat (6) are installed dismantled and assembled the lower extreme of valve body (1), valve body (1) lower extreme is equipped with base (17), base (17) with valve seat (1) fixed connection, valve gap (2) bottom surface, valve body (1) inner wall, valve seat (6) inner wall and valve clack (5) bottom surface all are equipped with fixed mounting's tortoise shell net (7) and pour into a mould lining (8) in tortoise shell net (7) respectively.

2. The acid resistant lined angle bell valve of claim 1, wherein: the valve body (1) is made of carbon steel materials, and the lining (8) is made of acid-resistant daub.

3. The acid resistant lined angle bell valve of claim 1, wherein: the valve body (1) is fixedly connected with the valve seat (6) through a fastening piece, and a sealing gasket (9) is arranged between the valve body and the valve seat.

4. The acid resistant lined angle bell valve of claim 1, wherein: the valve body (1) is equipped with circumference setting and prevents to deposit accumulational slope board (10) in the position department of export, the upper surface of valve clack (5) adopts the cambered surface.

5. The acid resistant lined angle bell valve of claim 1, wherein: the sealing surface of the valve seat (6) and the sealing surface of the valve clack (5) form a conical sealing pair, and the sealing surface of the valve seat (6) and the sealing surface of the valve clack (5) are both provided with hardened layers.

6. The acid resistant lined angle bell valve of claim 1, wherein: the bottom surface of the valve cover (2) is provided with a guide sleeve (11) sleeved on the outer circumference of the valve rod (3) and reinforcing ribs (12) distributed on the periphery of the guide sleeve (11).

7. The acid resistant lined angle bell valve of claim 1, wherein: surface mounting has a plurality of support columns (13) on valve gap (2), support (14) that supply drive arrangement (4) installation are installed to support column (13) upper end, be equipped with first limiting plate (15) on support column (13), install second limiting plate (16) that correspond with first limiting plate (15) on valve rod (3).

8. The acid resistant lined angle bell valve of claim 1, wherein: the driving device (4) comprises a screw rod (41) which is in threaded fit with the valve rod (3) and a driving element (42) which drives the screw rod to rotate.

9. The acid resistant lined angle bell valve of claim 1, wherein: the valve cap is characterized in that the upper surface of the valve cap (2) is provided with a stuffing box (21) and a stuffing gland (22) which wrap the valve rod (3), a stuffing (23) is arranged between the stuffing box (21) and the valve rod (3), and the stuffing (23) is made of flexible graphite.

10. The acid resistant lined angle bell valve of claim 9, wherein: the packing gland (22) is connected with the packing box (21) through a bolt (24) and a nut (25), and a disc spring (26) is arranged between the nut (25) and the packing gland (22).

Technical Field

The invention relates to the field of valves, in particular to an acid-resistant lining angle type bell jar valve.

Background

The existing angle bell valve is easy to be corroded by high temperature and strong corrosive dust containing powder on smelting dust collecting and converting dust collecting sections of a smelting system, so that the service life is shortened, and in addition, acid mud and crystal deposition are easy to bond in a valve body channel, so that the valve is blocked.

Disclosure of Invention

In order to overcome the defects of the background art, the invention provides the acid-resistant lining angle type bell valve which is long in service life and good in working stability.

The technical scheme adopted by the invention is as follows: an acid-resistant lining angle type bell jar valve comprises a valve body, a valve cover, a valve rod, a driving device, a valve clack and a valve seat, wherein the valve body is provided with an inlet and an outlet, the driving device is connected with the upper end of the valve rod, the valve clack is installed at the lower end of the valve rod, the valve seat is matched with the valve clack, a base is installed at the lower end of the valve body, the base is fixedly connected with the valve seat, the valve seat is detachably installed at the lower end of the valve body, and the bottom surface of the valve cover, the inner wall of the valve body, the inner.

The valve body is made of carbon steel materials, and the lining is made of acid-resistant daub.

The valve body is fixedly connected with the valve seat through a fastener, and a sealing gasket is arranged between the valve body and the valve seat.

The valve body is equipped with circumference setting and prevents to deposit accumulational inclination board in the position department of export, the upper surface of valve clack adopts the cambered surface.

The sealing surface of the valve seat and the sealing surface of the valve clack form a conical sealing pair, and the sealing surfaces of the valve seat and the valve clack are provided with hardening layers.

The bottom surface of the valve cover is provided with a guide sleeve sleeved on the outer circumference of the valve rod and reinforcing ribs distributed on the periphery of the guide sleeve.

Surface mounting has a plurality of support columns on the valve gap, the support that supplies the drive arrangement installation is installed to the support column upper end, be equipped with first limiting plate on the support column, install the second limiting plate that corresponds with first limiting plate on the valve rod.

The driving device comprises a screw rod matched with the valve rod in a threaded mode and a driving element for driving the screw rod to rotate.

The upper surface of the valve cover is provided with a stuffing box and a stuffing gland which wrap the valve rod, stuffing is arranged between the stuffing box and the valve rod, and the stuffing is made of flexible graphite.

The packing gland and the packing box are connected through a bolt and a nut, and a disc spring is arranged between the nut and the packing gland.

The invention has the beneficial effects that: according to the technical scheme, the inner wall of the bell jar valve comprises the valve cover bottom surface, the valve body inner wall, the valve seat inner wall and the valve clack bottom surface, and the tortoise shell net and the lining poured in the tortoise shell net are fixedly installed on the inner wall of the bell jar valve respectively, so that the acid corrosion resistance and the wear resistance are achieved. The problem that the drift diameter is reduced due to the fact that acid sludge is bonded and crystallized and deposited ash can be reduced; in addition, the valve seat and the base are integrally designed, so that the structure of the valve seat is optimized, the valve seat and the valve body are designed in a split mode, the lining of the valve body is prevented from being influenced, the processing convenience is realized, the replaceability of the valve seat can be realized, and the valve seat has the advantages of corrosion resistance, long service life and good working stability.

Drawings

FIG. 1 is a schematic illustration of the construction of an acid-lined angle bell valve according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a schematic structural view of a tortoise-shell net.

Detailed Description

The embodiments of the invention will be further described with reference to the accompanying drawings in which:

as shown in the figure, the acid-resistant lining angle type bell jar valve comprises a valve body 1 provided with an inlet and an outlet, a valve cover 2, a valve rod 3, a driving device 4 connected with the upper end of the valve rod 3, a valve clack 5 installed at the lower end of the valve rod 3 and a valve seat 6 matched with the valve clack 5, wherein the valve seat 6 is detachably installed at the lower end of the valve body 1, the lower end of the valve body 1 is provided with a base 17, the base 17 is fixedly connected with the valve seat 1, and the bottom surface of the valve cover 2, the inner wall of the valve body 1, the inner wall of the valve seat 6 and the bottom surface of the valve clack 5 are respectively provided with a fixedly installed; according to the technical scheme, the inner wall of the bell jar valve comprises the valve cover bottom surface, the valve body inner wall, the valve seat inner wall and the valve clack bottom surface, and the tortoise shell net and the lining poured in the tortoise shell net are fixedly installed on the inner wall of the bell jar valve respectively, so that the acid corrosion resistance and the wear resistance are achieved. The problem that the drift diameter is reduced due to the fact that acid sludge is bonded and crystallized and deposited ash can be reduced; in addition, the valve seat and the base are integrally designed, so that the structure of the valve seat is optimized, the valve seat and the valve body are designed in a split mode, the lining of the valve body is prevented from being influenced, the processing convenience is realized, the replaceability of the valve seat can be realized, and the valve seat has the advantages of long service life and good working stability.

The valve body 1 is made of carbon steel material, and the lining 8 is made of acid-resistant daub; the effects of acid corrosion resistance and wear resistance are achieved, and the problem that the drift diameter is reduced due to bonding acid mud and crystallization deposition can be solved.

The valve body 1 is fixedly connected with the valve seat 6 through a fastening piece, and a sealing gasket 9 is arranged between the valve body 1 and the valve seat 6, so that the sealing performance between the valve body and the valve seat is ensured.

The valve body 1 is provided with a slope plate 10 which is circumferentially arranged at the position of an outlet and prevents deposition and accumulation, and the upper surface of the valve clack 5 adopts a cambered surface; the flow choking phenomenon is avoided, no dead angle is left, and the problem that dust is easily accumulated above the valve seat and the valve clack is effectively solved.

The sealing surface of the valve seat 6 and the sealing surface of the valve clack 5 form a conical sealing pair, and the sealing surfaces of the valve seat 6 and the valve clack 5 are provided with hardened layers; has the functions of automatically scraping scale, improving sealing effect and prolonging service life.

The bottom surface of the valve cover 2 is provided with a guide sleeve 11 which is sleeved on the outer circumference of the valve rod 3 and reinforcing ribs 12 which are distributed on the periphery of the guide sleeve 11; the lifting stability of the valve rod is ensured.

Surface mounting has a plurality of support columns 13 on the valve gap 2, support 14 that supplies the installation of drive arrangement 4 is installed to support column 13 upper end, be equipped with first limiting plate 15 on the support column 13, install the second limiting plate 16 that corresponds with first limiting plate 15 on the valve rod 3, first limiting plate on the support column plays spacing effect to the second limiting plate, prevents that the valve rod transition from descending.

The driving device 4 comprises a screw rod 41 in threaded fit with the valve rod 3 and a driving element 42 for driving the screw rod to rotate, the driving element can be driven manually, pneumatically or electrically, the control precision is high, and the requirements of program control and remote control can be met.

The upper surface of the valve cover 2 is provided with a stuffing box 21 and a stuffing gland 22 which wrap the valve rod 3, a stuffing 23 is arranged between the stuffing box 21 and the valve rod 3, the stuffing 23 is made of flexible graphite, and the sealing effect is good.

The valve cover and the valve body are fixed by full welding, so that leakage points are reduced.

The packing gland 22 is connected with the packing box 21 through a bolt 24 and a nut 25, a disc spring 26 is arranged between the nut 25 and the packing gland 22, and the disc spring provides pressing force for pressing the packing gland downwards.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.