An anti-clogging slag discharge valve

By designing a structure with threaded holes in the slag discharge valve, the blockage problem of the slag discharge valve in the high-temperature corrosion and material mixing state is solved, and effective cleaning and extended service life is achieved.

CN116608275BActive Publication Date: 2025-08-22JIANGSU SHENTONG VALVE CO LTD
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Patent Information

Application Number
CN202310579962.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-23
Publication Date
2025-08-22
Estimated Expiration
2043-05-23

AI Technical Summary

Technical Problem

The existing slag discharge valves are prone to blockage under high temperature, corrosion and material mixing conditions, the sealing surface is severely worn, has a short service life, and cannot effectively clean the blockage.

Method used

A movable core with threaded holes is designed to match the fixing groove on the valve core body. When blocked, the valve can be removed and the movable core can be pushed out through the discharge port to clean the blockage, and the residue can be removed using the air inlet hole and purge port.

Benefits of technology

It realizes effective cleaning of blockages under harsh working conditions, extends the service life of the slag discharge valve, and avoids wear and jamming of sealing surfaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an anti-clogging slag discharge valve, which includes a valve body, an upper surface of the valve body and near the left side thereof is provided with a feed port, a lower surface of the valve body is provided with a discharge port, a valve body flange is fixedly connected to the left outer surface of the valve body, an air inlet is provided on the upper surface of the shoulder of the valve body, a valve seat pressure ring is fixedly connected to the inner surface of the shoulder of the valve body, a rotating shaft is movably connected to the front outer surface of the valve body, a maintenance hole is fixedly connected to the right side of the rotating shaft, the rotating shaft extends to the inside of the valve body and is fixedly connected to a swing arm, and a swing sleeve is fixedly connected to the connecting end of the swing arm. Through the above structure, a movable core with a threaded hole is provided to cooperate with a fixed groove on the valve core body. When the feed port is blocked, the valve can be removed and then the movable core can be removed and pushed out through the discharge port to achieve the purpose of clearing the blockage. This method can adapt to various severe blockage conditions.
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Description

Technical Field

[0001] The present invention relates to the technical field of slag discharge valves, and in particular to an anti-clogging slag discharge valve. Background Art

[0002] An evaporator is a device that converts materials from liquid to gas. Some evaporators will discharge the residue of the processed materials. Evaporators with slag discharge may experience the problem of the tailings and the sealing surface of the slag discharge valve becoming solidified during the evaporation process. A typical example is the titanium tetrachloride slurry evaporator. At the same time, the evaporator's slag discharge valve also faces harsh working conditions such as high temperature, corrosion, sticky slag, and the mixed presence of liquid, solid, and gaseous materials.

[0003] One approach currently used to address the problem of slag sticking to the sealing surface of existing slag discharge valves is to use hard seals and scrapers. This approach presents the following issues: severe wear on the sealing surface of the slag discharge valve, resulting in a short service life; the valve is prone to jamming, making it difficult to open and close; when material agglomerates and clogs the slag discharge process, there is no way to remove the material, requiring valve disassembly; and the slag sticking to the sealing surface cannot be maintained. Summary of the Invention

[0004] The present invention provides an anti-clogging slag discharge valve, which is provided with a movable core with a threaded hole to cooperate with a fixed groove on the valve core body. When the inlet is blocked, the valve can be removed and the movable core can be removed and pushed out through the outlet to achieve the purpose of clearing the blockage. This method can adapt to various severe blockage situations.

[0005] The closure of the valve body is fixedly provided with a valve body flange, an air inlet hole is provided on the upper surface of the valve body shoulder, an air seat pressure ring is fixedly connected to the inner surface of the valve body shoulder, a rotating shaft is movably connected to the front outer surface of the valve body, a maintenance hole is fixedly connected to the right side of the rotating shaft, the rotating shaft extends to the inside of the valve body and is fixedly connected to a swing arm, the connecting end of the swing arm is fixedly connected to a swing sleeve, the valve core body is movably connected to the inside of the swing sleeve, the upper surface of the valve core body is fixedly connected to the valve core sphere, the upper surface of the valve core body and the left side are provided with a fixing groove, and the fixing groove is fixedly connected to the valve core sphere. A movable core is connected, the upper surface of the movable core is conical, and the lower surface of the movable core is provided with a threaded groove. The feed port is provided to facilitate feeding, the discharge port is provided to facilitate discharging, the valve body flange is provided to facilitate fixing the valve body, the air inlet is provided to facilitate blowing, the valve seat pressure ring is provided to facilitate tightening the sealing ring, the rotating shaft is provided to facilitate control of the swing arm, the inspection hole is provided to facilitate maintenance of the valve, the swing arm is provided to facilitate control of the swing sleeve, the swing sleeve is provided to facilitate control of the valve core body rotation, the valve core spherical surface is provided to increase sealing performance, the fixing groove is provided to fix the movable core, the movable core is provided to facilitate cleaning of blockages, and the upper surface of the movable core is conical to facilitate breaking through the blockage.

[0006] According to the anti-clogging slag discharge valve, a cylindrical groove is provided at the upper end of the fixed groove, a rectangular groove is provided on the side of the cylindrical groove, and the number of the rectangular grooves is multiple. A large circular groove is provided on the lower surface of the cylindrical groove, and the diameter of the large circular groove is larger than that of the cylindrical groove. The multiple rectangular grooves are provided to allow the rectangular block of the movable core to be placed in, and the large circular groove is provided to allow the rectangular block to rotate therein.

[0007] According to the anti-clogging slag discharge valve, the bottom surface of the cone on the upper surface of the movable core is fixedly connected to a frustum, the lower surface of the frustum is fixedly connected to a cylinder, the diameter of the cylinder is smaller than the diameter of the lower bottom surface of the frustum, the bottom surface of the cylinder is fixedly connected to a rectangular block, the number of the rectangular blocks is two, and the two rectangular blocks are vertically distributed on the bottom surface of the cylinder, and the rectangular blocks are provided to fix the movable core in conjunction with the fixing groove.

[0008] According to the anti-clogging slag discharge valve, a sealing pressure ring is fixedly connected to the upper surface of the left extension plate of the valve core body, and the right side of the sealing pressure ring is in contact with the spherical surface of the valve core. The sealing pressure ring is provided to increase the sealing effect of the sealing ring.

[0009] According to the anti-clogging slag discharge valve, the bottom of the valve core body is fixedly connected to the valve core shaft, the outer side of the valve core shaft is movably connected to a compression spring, the bottom of the valve core shaft is fixedly connected to a swinging sphere, the inside of the swinging sleeve is fixedly connected to a butterfly spring, the inside of the swinging sleeve is fixedly connected to a spherical seat, the butterfly spring is in contact with the spherical seat, and the swinging sphere is movably connected to the spherical seat. The compression spring is provided to enable the valve core body to rebound automatically, and the spherical seat is provided to cooperate with the swinging sphere.

[0010] According to the anti-clogging slag discharge valve, the sealing pressure ring is fixedly connected to a sealing ring near the side of the valve core body, and the bottom of the valve seat pressure ring has a circular ring protrusion, which is in contact with the upper surface of the sealing ring. The sealing ring is provided to increase the sealing performance of the valve body.

[0011] According to the anti-clogging slag discharge valve, an annular groove is provided on the inner surface of the shoulder of the valve body, and a purge port is provided on the upper surface of the valve seat pressure ring. The top of the purge port is in contact with the annular groove. The purge port is provided to purge the accumulated materials at the inlet of the valve body.

[0012] The beneficial effects of the present invention are as follows: a movable core with a threaded hole is provided to cooperate with a fixed groove on the valve core body. When the inlet is blocked, the valve can be removed and then the movable core can be removed and pushed out through the outlet to achieve the purpose of clearing the blockage. This method can adapt to various severe blockage conditions.

[0013] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 A cross-sectional view of an anti-clogging slag discharge valve according to the present invention;

[0016] Figure 2 For the present invention Figure 1 A magnified view of middle A;

[0017] Figure 3 A three-dimensional diagram of a movable core of an anti-clogging slag discharge valve according to the present invention;

[0018] Figure 4 This is a three-dimensional diagram of the valve core body of an anti-clogging slag discharge valve of the present invention.

[0019] Legend:

[0020] 1. Valve body; 2. Swing sleeve; 3. Discharge port; 4. Inspection hole; 5. Valve body flange; 6. Swing arm; 7. Rotating shaft; 8. Feed port; 9. Air inlet; 10. Valve core sphere; 11. Sealing pressure ring; 12. Sealing ring; 13. Valve core shaft; 14. Compression spring; 15. Valve core body; 16. Swing sphere; 17. Spherical seat; 18. Butterfly spring; 19. Valve seat pressure ring; 20. Movable core; 21. Purge port; 22. Annular groove; 23. Fixed groove. Implementation Method

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0022] Reference Figures 1 to 4 The embodiment of the present invention is a slag discharge valve with anti-clogging, which includes a valve body 1, an upper surface of the valve body 1 and near the left side thereof is provided with a feed port 8, a lower surface of the valve body 1 is provided with a discharge port 3, the left outer surface of the valve body 1 is fixedly connected to a valve body flange 5, an air inlet hole 9 is provided on the upper surface of the shoulder of the valve body 1, a valve seat pressure ring 19 is fixedly connected to the inner surface of the shoulder of the valve body 1, a rotating shaft 7 is movably connected to the front outer surface of the valve body 1, a maintenance hole 4 is fixedly connected to the right side of the rotating shaft 7, the rotating shaft 7 extends to the inside of the valve body 1 and is fixedly connected to a swing arm 6, the connecting end of the swing arm 6 is fixedly connected to a swing sleeve 2, a valve core body 15 is movably connected to the inside of the swing sleeve 2, the upper surface of the valve core body 15 is fixedly connected to a valve core spherical surface 10, the upper surface of the valve core body 15 and located on the left side is provided with a fixing groove 23, the fixing groove 23 is fixedly connected to a movable core 20, the upper surface of the movable core 20 is conical, and the lower surface of the movable core 20 is provided with a threaded groove.

[0023] The upper end of the fixed groove 23 is provided with a cylindrical groove, and the side of the cylindrical groove is provided with a plurality of rectangular grooves. The lower surface of the cylindrical groove is provided with a large circular groove, the diameter of which is larger than that of the cylindrical groove. The bottom surface of the cone on the upper surface of the movable core 20 is fixedly connected to a frustum, and the lower surface of the frustum is fixedly connected to a cylinder, the diameter of which is smaller than the diameter of the lower surface of the frustum. The bottom surface of the cylinder is fixedly connected to two rectangular blocks, and the two rectangular blocks are vertically distributed on the bottom surface of the cylinder.

[0024] A sealing pressure ring 11 is fixedly connected to the upper surface of the left extension plate of the valve core body 15, and the right side of the sealing pressure ring 11 contacts the valve core spherical surface 10. The bottom of the valve core body 15 is fixedly connected to the valve core shaft 13, and a compression spring 14 is movably connected to the outside of the valve core shaft 13. The bottom of the valve core shaft 13 is fixedly connected to the swinging spherical surface 16. A butterfly spring 18 is fixedly connected to the inside of the swinging sleeve 2, and a spherical seat 17 is fixedly connected to the inside of the swinging sleeve 2. The butterfly spring 18 contacts the spherical seat 17, and the swinging spherical surface 16 is movably connected to the spherical seat 17.

[0025] The sealing ring 11 is fixedly connected to the sealing ring 12 on the side close to the valve core 15. The bottom of the valve seat ring 19 has an annular protrusion, which contacts the upper surface of the sealing ring 12. An annular groove 22 is formed on the inner surface of the shoulder of the valve body 1. The upper surface of the valve seat ring 19 has a purge port 21, and the top of the purge port 21 contacts the annular groove 22.

[0026] Working principle: When dirt appears at the feed inlet 8, the rotating shaft 7 drives the swing arm 6 to rotate, and the swing arm 6 drives the valve core body 15 to retreat through the swing sleeve 2. The swing spherical surface 16 on the valve core body 15 rotates on the spherical seat 17 to squeeze the butterfly spring 18. At this time, the sealing ring 12 on the sealing pressure ring 11 leaves the annular protrusion on the valve seat pressure ring 19, and a threaded rod is inserted into the threaded groove at the tail of the movable core 20 and rotated and fixed. Then, the movable core 20 can be pushed out when a certain rectangular block coincides with the rectangular groove on the fixed groove 23. The movable core 20 pushes out the blockage on the valve core spherical surface 10 while being ejected, and then the movable core 20 is retracted and fixed, and blown from the air inlet 9 on the shoulder of the valve body 1. The air inlet 9 enters the purge port 21 in the valve seat pressure ring 19 through the annular groove 22 to blow off the residue that has just been cleaned.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. An anti-clogging slag discharge valve, characterized in that: The invention comprises a valve body (1), wherein a feed port (8) is provided on the upper surface of the valve body (1) and near the left side, a discharge port (3) is provided on the lower surface of the valve body (1), a valve body flange (5) is fixedly connected to the left outer surface of the valve body (1), an air inlet (9) is provided on the upper surface of the shoulder of the valve body (1), a valve seat pressure ring (19) is fixedly connected to the inner surface of the shoulder of the valve body (1), a rotating shaft (7) is movably connected to the outer surface of the front side of the valve body (1), and an inspection hole (4) is fixedly connected to the right side of the rotating shaft (7). The rotating shaft (7) extends to the inside of the valve body (1) and is fixedly connected to a swing arm (6). The connecting end of the swing arm (6) is fixedly connected to a swing sleeve (2). The swing sleeve (2) is movably connected to a valve core body (15). The upper surface of the valve core body (15) is fixedly connected to a valve core spherical surface (10). A fixing groove (23) is provided on the upper surface of the valve core body (15) and is located on the left side. The fixing groove (23) is fixedly connected to a movable core (20). The upper surface of the movable core (20) is conical, and the lower surface of the movable core (20) is provided with a threaded groove. The upper end of the fixing groove (23) is provided with a cylindrical groove, the side of the cylindrical groove is provided with a rectangular groove, the number of the rectangular grooves is multiple, the lower surface of the cylindrical groove is provided with a large circular groove, the diameter of the large circular groove is larger than the cylindrical groove, The bottom surface of the cone on the upper surface of the movable core (20) is fixedly connected to a truncated cone, the lower surface of the truncated cone is fixedly connected to a cylinder, the diameter of the cylinder is smaller than the diameter of the bottom surface of the truncated cone, the bottom surface of the cylinder is fixedly connected to a rectangular block, the number of the rectangular blocks is two, and the two rectangular blocks are vertically distributed on the bottom surface of the cylinder. A threaded rod is inserted into the threaded groove on the movable core (20) and rotated and fixed. When the movable core (20) is rotated until the rectangular block coincides with the rectangular groove on the fixed groove (23), the movable core (20) can be pushed out. When the movable core (20) is pushed out, the obstruction on the valve core spherical surface (10) is pushed out.

2. The anti-clogging slag discharge valve according to claim 1, characterized in that: A sealing pressure ring (11) is fixedly connected to the upper surface of the left extension plate of the valve core body (15), and the right side of the sealing pressure ring (11) is in contact with the valve core spherical surface (10).

3. The anti-clogging slag discharge valve according to claim 1, characterized in that: The bottom of the valve core body (15) is fixedly connected to the valve core shaft (13), the outer side of the valve core shaft (13) is movably connected to a compression spring (14), the bottom of the valve core shaft (13) is fixedly connected to a swinging spherical surface (16), the inside of the swinging sleeve (2) is fixedly connected to a butterfly spring (18), the inside of the swinging sleeve (2) is fixedly connected to a spherical seat (17), the butterfly spring (18) is in contact with the spherical seat (17), and the swinging spherical surface (16) is movably connected to the spherical seat (17).

4. The anti-clogging slag discharge valve according to claim 2, characterized in that: The sealing ring (11) is fixedly connected to a sealing ring (12) on one side close to the valve core body (15), and the bottom of the valve seat ring (19) has a circular protrusion, which contacts the upper surface of the sealing ring (12).

5. The anti-clogging slag discharge valve according to claim 1, characterized in that: An annular groove (22) is provided on the inner surface of the shoulder of the valve body (1), and a purge port (21) is provided on the upper surface of the valve seat pressure ring (19), wherein the top end of the purge port (21) contacts the annular groove (22).

Citation Information

Patent Citations

  • Anti-blocking angle valve

    CN213017727U

  • End face soft seal and spherical surface hard seal composite swing type slag discharge valve

    CN218510208U

  • Anti-blocking deslagging valve

    CN220102081U