CN217842737U

CN217842737U - Angle-shaped slurry valve

Info

Publication number: CN217842737U
Application number: CN202222729784.4U
Authority: CN
Inventors: 崔东; 王金宝; 吴景兆; 韩克武
Original assignee: Shandong Luyu Valve Co ltd
Current assignee: Shandong Luyu Valve Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2022-11-18
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to the technical field of industrial valves, in particular to an angle-shaped slurry valve, which comprises a first valve body and a second valve body, wherein the first valve body is connected with the second valve body, a groove is arranged at the joint of the first valve body and the second valve body, an oblique cone valve seat is arranged in the groove, a valve rod is arranged inside the first valve body, a driving device is arranged at one end of the valve rod, an oblique cone valve clack is arranged at the other end of the valve rod, the side surface of the oblique cone valve clack is contacted with the oblique cone valve seat and forms a sealing surface, and a medium flow channel is formed in the inner cavities of the first valve body and the second valve body; the inclined cone valve clack comprises a closing state and an opening state, and is abutted against the inclined cone valve seat when the inclined cone valve clack is in the closing state; when the inclined cone valve clack is in an opening state, the inclined cone valve clack moves upwards and is separated from the inclined cone valve seat, and the central line of the medium flow channel is linear. The scheme realizes the advantages of fluid non-resistance, sedimentation prevention, scouring resistance, wear resistance and high temperature resistance, and has the advantages of simple structure, good sealing performance, flexible switching and long service life.

Description

Angle type slurry valve

Technical Field

The utility model relates to an industrial valve technical field, concretely relates to angle type ground paste valve.

Background

In the fields of current water treatment, petroleum, chemical industry, metallurgy, marine transportation and the like, the problems of easy scouring, easy precipitation, easy scabbing and short service life of the transportation of special media in pipelines still do not have good solutions. In particular to the production process of alumina, people are continuously exploring to solve the difficult problem of conveying special media in pipelines. The stop valve cannot meet the requirement of pipeline slurry conveying because of large fluid resistance of the S structure; although the gate valve is of a straight-through structure, slurry is easy to precipitate due to a groove between two seals in the cavity, and the gate valve is easy to scar and lose the sealing performance after long-time use; the soft seal ball valve can not achieve the sealing effect because the valve seat is easy to be pulled by particles in slurry medium. In summary, in the current processes of aluminum oxide production, the valves used in domestic and foreign pipelines are basically the Y-shaped stop valves with media flow channels. However, the valve body is restricted by the valve seat when in a Y-shaped structure and cannot form a straight line with a valve body channel, and because slurry media contain a large amount of metal particles, the valve seat is easy to be damaged in a sealing way and the valve body is ground through after long-time washing, in order to reduce the material cost, the slurry valve used in places with severe working conditions needs to be detached to a place with better working conditions in 1-2 months, which brings much trouble to work and also influences normal production.

Therefore, how to resist the scouring of the valves used for conveying special media such as dust, slurry and the like by the industrial pipelines becomes an international difficult problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to present industrial pipeline transport sewage, dust, ground paste, thick liquid easily erode, life weak point scheduling problem, provided an angle type ground paste valve.

In order to achieve the purpose, the utility model adopts the technical scheme that an angle-shaped slurry valve comprises a first valve body and a second valve body, wherein the first valve body is connected with the second valve body, a groove is arranged at the joint of the first valve body and the second valve body, a tapered valve seat is arranged in the groove, a valve rod is arranged inside the first valve body, a driving device is arranged at one end of the valve rod, a tapered valve clack is arranged at the other end of the valve rod, the side surface of the tapered valve clack is contacted with the tapered valve seat to form a sealing surface, a medium flow channel is formed in the inner cavities of the first valve body and the second valve body, and slurry can pass through the medium flow channel; the inclined cone valve clack comprises a closed state and an open state, and is abutted against the inclined cone valve seat when the inclined cone valve clack is in the closed state, so that the medium flow channel is disconnected; when the inclined cone valve clack is in the opening state, the inclined cone valve clack moves upwards and is separated from the inclined cone valve seat, and the central line of the medium flow channel is linear.

Preferably, the central line of the valve rod and the central line of the medium flow channel form an oblique 45 degree angle, and the driving device can drive the valve rod to drive the oblique cone valve flap to move up and down in the direction forming an oblique 45 degree angle with the medium flow channel so as to close or open the medium flow channel.

Preferably, a guide assembly is arranged between the inner wall of the first valve body and the inclined cone valve clack, and the guide assembly can enable the inclined cone valve clack to move along the inner cavity of the first valve body.

Preferably, the guide assembly includes convex guide rail and concave type guide way, the inner wall of valve body one is provided with the edge the axial extension of valve rod the convex guide rail, the oblique awl valve clack is provided with concave type guide way, convex guide rail with concave type guide way sliding fit is so that the oblique awl valve clack is followed the inner chamber of valve body one removes.

Preferably, a bracket is arranged between the driving device and the first valve body.

Preferably, a flexible graphite ring, a packing pressing sleeve and a packing pressing plate are arranged between the first valve body and the valve rod, the flexible graphite ring, the packing pressing sleeve and the packing pressing plate are all sleeved on the valve rod, the lower end of the flexible graphite ring is abutted to the inner wall of the first valve body, the lower end of the packing pressing sleeve is abutted to the flexible graphite ring, the upper end of the packing pressing sleeve is abutted to the packing pressing plate, and the packing pressing plate can extrude the flexible graphite ring and the packing pressing sleeve.

Preferably, the inner cavity of the support is further provided with an anti-rotation block, and the anti-rotation block is sleeved on the valve rod.

Preferably, the end part of the valve rod is sleeved with a split ring and a valve clack cover, and the valve clack cover is in bolt connection with the oblique cone valve clack.

Preferably, the first valve body and the second valve body are connected through an elliptical flange.

The beneficial effects of the utility model are that:

the utility model discloses can be applied to the transport of special medium in the field pipelines such as water treatment, petroleum, chemical industry, papermaking, mine, metallurgy, can effectively solve the long-term difficult problem that industrial pipeline carried sewage, dust, ground paste, thick liquid easily erode, life is short, is particularly suitable for steel mill's dust pelletizing system, alumina factory dissolve out, subside, calcination, evaporation, decompose the system such as.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of the oblique cone valve flap in the angle slurry valve of the present invention in a closed state.

Fig. 2 is a cross-sectional view of the oblique cone valve flap in the angle-shaped slurry valve of the present invention in an open state.

Fig. 3 is an enlarged view of a structure at a in fig. 1.

In the figure: 1. the valve body II, 2, the oblique cone valve seat, 3, the concave guide groove, 4, the split ring, 5, the valve clack cover, 6, the oblique cone valve clack, 7, the valve rod, 8, the valve body I, 9, the flexible graphite ring, 10, the packing pressing sleeve, 11, the packing pressing plate, 12, the anti-rotation block, 13, the support, 14, the driving device, 15, the medium flow channel, 16, the hand wheel, 17, the driving bevel gear, 18, the driven bevel gear, 19 and the nut.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is obvious that the embodiments described below are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1, in this embodiment, the main structure of the angle-shaped slurry valve provided by the present invention includes a second valve body 1, a tapered valve seat 2, a concave guide groove 3, a split ring 4, a valve flap cover 5, a tapered valve flap 6, a valve rod 7, a first valve body 8, a flexible graphite ring 9, a packing pressing sleeve 10, a packing pressing plate 11, an anti-rotation block 12, a support 13, a driving device 14, and a medium flow passage 15. The slurry-feeding device comprises a valve body I8, a valve body II 1, a valve rod 7, a driving device 14, a valve rod 7, a tapered valve clack 6, a medium flow passage 15 and a slurry-discharging device, wherein the valve body I8 is connected with the valve body II 1, a groove is formed in the connection part of the valve body I8 and the valve body II 1, the tapered valve seat 2 is arranged in the groove, the valve rod 7 is arranged inside the valve body I8, the driving device 14 is arranged at one end of the valve rod 7, the tapered valve clack 6 is arranged at the other end of the valve rod 7, the side face of the tapered valve clack 6 is in contact with the tapered valve seat 2 to form a sealing face, the medium flow passage 15 is formed in the inner cavities of the valve body I8 and the valve body II 1, and the slurry can pass through the medium flow passage 15; the oblique cone valve clack 6 comprises a closing state and an opening state, when the oblique cone valve clack 6 is in the closing state, the oblique cone valve clack 6 is abutted to the oblique cone valve seat 2, and the medium flow passage 15 is disconnected; when the oblique cone valve clack 6 is in an opening state, the oblique cone valve clack 6 moves upwards and is separated from the oblique cone valve seat 2, and the central line of the medium flow passage 15 is linear. The inner cavity of the outlet of the first valve body 8 is circular in drift diameter, and the first valve body 8 is connected with the second valve body 1 through an elliptical flange. Specifically, the central line of the valve rod 7 and the central line of the medium flow channel 15 are inclined by 45 °, and the driving device 14 can drive the valve rod 7 to drive the oblique cone valve flap 6 to move up and down in the direction inclined by 45 ° from the medium flow channel 15 so as to close or open the medium flow channel 15. The utility model discloses a with the valve body passageway-medium runner 15 design for straight line structure promptly, the valve is opened back oblique cone valve clack 6 and is hidden in valve body 45 orientation one side top, and medium fluid is at valve passageway non-resistance, and is able to bear or endure to erode, has solved the international difficult problem when media such as ground paste, dust, granule are carried.

In order to enable the inclined cone valve clack 6 to be opened and closed more stably, a guide assembly is arranged between the inner wall of the valve body I8 and the inclined cone valve clack 6, and the guide assembly enables the inclined cone valve clack 6 to move along the inner cavity of the valve body I8. Specifically, the guiding assembly comprises a convex guide rail and a concave guide groove 3, the inner wall of the first valve body 8 is provided with the convex guide rail extending along the axial direction of the valve rod 7, the oblique cone valve clack 6 is provided with the concave guide groove 3, and the convex guide rail is in sliding fit with the concave guide groove 3 so that the oblique cone valve clack 6 can move along the inner cavity of the first valve body 8.

As shown in fig. 1, a flexible graphite ring 9, a packing pressing sleeve 10 and a packing pressing plate 11 are arranged between the first valve body 8 and the valve rod 7, the valve rod 7 is sleeved with the flexible graphite ring 9, the packing pressing sleeve 10 and the packing pressing plate 11, the lower end of the flexible graphite ring 9 abuts against the inner wall of the first valve body 8, the lower end of the packing pressing sleeve 10 abuts against the flexible graphite ring 9, the upper end of the packing pressing sleeve 10 abuts against the packing pressing plate 11, and the packing pressing plate 11 can extrude the flexible graphite ring 9 and the packing pressing sleeve 10.

And a bracket 13 is arranged between the driving device 14 and the first valve body 8. The inner cavity of the bracket 13 is also provided with an anti-rotation block 12, and the valve rod 7 is sleeved with the anti-rotation block 12.

The oblique cone valve clack 6 is connected between the valve rod 7 mainly by opening the ring 4 and the valve clack cover 5, concretely, the end cover of the valve rod 7 is provided with opening the ring 4 and the valve clack cover 5, and the valve clack cover 5 is connected with the oblique cone valve clack 6 through bolts.

As shown in fig. 1, the working principle of the angle-type slurry valve is as follows:

the slurry valve is a typical angle type structure, after a valve body I8 and a valve body II 1 are assembled together with an oblique cone valve seat 2, the central line of an inner cavity medium flow passage 15 is in line with the central line of a pipeline, and the central line of a valve rod 7 for opening and closing is 45 degrees with the central line of the inner cavity of the valve body medium flow passage 15. The valve rod 7 is driven, and the valve rod 7 and the inclined cone valve clack 6 with the concave guide groove 3 obliquely reciprocate up and down in the cavity of the valve body I8 with the convex guide rail through the bracket 13 and the valve body I8, so that the opening and closing of the angle-shaped slurry valve are realized. When the angle-type slurry valve shown in fig. 1 is in a closed state, the driving device 14 drives the valve rod 7 to drive the inclined cone valve flap 6 to move downwards, the side surface of the inclined cone valve flap 6 is in contact with the inclined cone valve seat 2 and forms a sealing surface, the medium flow channel 15 is closed by the inclined cone valve flap 6, and slurry cannot flow through the valve.

The angle-shaped slurry valve shown in fig. 2 is in an open state, the driving device 14 drives the valve rod 7 to drive the oblique cone valve clack 6 to move upwards, the valve is fully opened, the oblique cone valve clack 6 avoids the medium flow channel 15 above the first 8 channels of the valve body by 45 degrees, the washing of the sealing surface of the oblique cone valve clack 6 and the oblique cone valve seat 2 is reduced, meanwhile, the medium flow channel 15 is smooth and has no resistance, and slurry can flow through the valve from left to right in the medium flow channel 15.

As shown in fig. 3, a driving bevel gear 17 is disposed at one end of a hand wheel 16 of the angle slurry valve, a driven bevel gear 18 matched with the driving bevel gear 17 is disposed, a nut 19 is in threaded connection with the outer side of the valve rod 7, the nut 19 is fixedly connected with the driven bevel gear 18, when the hand wheel 16 is rotated, the nut 19 is rotated through the driving bevel gear 17 and the driven bevel gear 18, and the valve rod 7 cannot rotate, so that the valve rod 7 moves up and down. The above implementation form is a common implementation form, and since the emphasis of the present application is not here, the details are not repeated.

Because the medium flow passage 15 of the angle-shaped slurry valve is of a straight line structure, the advantages of fluid resistance, sedimentation prevention, scab prevention, scouring resistance, wear resistance, high temperature resistance and corrosion resistance are realized, and meanwhile, the angle-shaped slurry valve is simple in structure, good in sealing performance, flexible to open and close and long in service life.

The utility model has the advantages that:

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An angle-shaped slurry valve is characterized by comprising a first valve body and a second valve body, wherein the first valve body is connected with the second valve body, a groove is formed in the joint of the first valve body and the second valve body, an inclined cone valve seat is arranged in the groove, a valve rod is arranged in the first valve body, a driving device is arranged at one end of the valve rod, an inclined cone valve clack is arranged at the other end of the valve rod, the side surface of the inclined cone valve clack is in contact with the inclined cone valve seat to form a sealing surface, a medium flow channel is formed in the inner cavities of the first valve body and the second valve body, and slurry can pass through the medium flow channel;

the inclined cone valve clack comprises a closed state and an open state, and is abutted against the inclined cone valve seat when the inclined cone valve clack is in the closed state, so that the medium flow channel is disconnected; when the inclined cone valve clack is in the opening state, the inclined cone valve clack moves upwards and is separated from the inclined cone valve seat, and the central line of the medium flow channel is linear.

2. The angle slurry valve of claim 1, wherein the centerline of said valve stem is at 45 ° to the centerline of said media flow channel, and said drive means is capable of driving said valve stem to move said tapered flaps up and down at 45 ° to said media flow channel to close or open said media flow channel.

3. The angle slurry valve of claim 1, wherein a guide assembly is disposed between an inner wall of said first valve body and said beveled valve flap, said guide assembly enabling said beveled valve flap to move along an interior cavity of said first valve body.

4. The angle slurry valve of claim 3, wherein the guide assembly comprises a male guide rail and a female guide groove, the inner wall of the first valve body being provided with the male guide rail extending in the axial direction of the valve stem, the beveled valve flap being provided with the female guide groove, the male guide rail being in sliding engagement with the female guide groove to move the beveled valve flap along the inner cavity of the first valve body.

5. The angle slurry valve of claim 1, wherein a bracket is disposed between said drive means and said first valve body.

6. The angle type slurry valve according to claim 1, wherein a flexible graphite ring, a packing pressing sleeve and a packing pressing plate are arranged between the first valve body and the valve stem, the flexible graphite ring, the packing pressing sleeve and the packing pressing plate are all sleeved on the valve stem, the lower end of the flexible graphite ring is abutted against the inner wall of the first valve body, the lower end of the packing pressing sleeve is abutted against the flexible graphite ring, the upper end of the packing pressing sleeve is abutted against the packing pressing plate, and the packing pressing plate can press the flexible graphite ring and the packing pressing sleeve.

7. The angle slurry valve of claim 5, wherein the inner cavity of the bracket is further provided with an anti-rotation block, and the anti-rotation block is sleeved on the valve rod.

8. The angle slurry valve of claim 1, wherein the end of the valve stem is sleeved with a split ring and flap cover, the flap cover bolted to the tapered cone flap.

9. The angle slurry valve of claim 1, wherein said first valve body and said second valve body are connected by an elliptical flange.