A water cut-off regulating valve for a styrene device storage tank

By introducing a cylinder, a float and a dome structure into the water cut-off regulating valve, the problem of incorrect opening of the drain outlet caused by the shaking of the float is solved, and the stability and safety of the drainage control are achieved.

CN114087418BActive Publication Date: 2025-09-12QINGDAO HAIWAN CHEM CO LTD
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Patent Information

Application Number
CN202210000564.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-01-04
Publication Date
2025-09-12
Estimated Expiration
2042-01-04

AI Technical Summary

Technical Problem

In existing water cut-off regulating valves, the float is easily shaken by the impact of liquid, causing the drain port to open incorrectly.

Method used

A water cut-off regulating valve for styrene storage tanks was designed. The valve adopts a cylinder, float, stabilizer rod and dome structure. The dome prevents the liquid from directly impacting the float. The dome is fixed by a groove rod and a fixed rod to prevent the float from shaking. The air in the cylinder is discharged through the ventilation groove.

Benefits of technology

It effectively prevents the float from shaking, ensures the drain outlet is stably opened, and improves the reliability and safety of drainage control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of water cut-off regulation, and specifically to a water cut-off regulating valve for a styrene device storage tank. The water cut-off regulating valve for a styrene device storage tank comprises: a cylinder, a feed port is installed on the top of the cylinder, and a float is installed inside the cylinder; and a float is installed on the top of the float. The beneficial effect is that the top of the circular cover proposed by the present invention is arc-shaped, so that the liquid entering from the feed port first flows on the top of the circular cover, flows into the interior of the cylinder through the top of the circular cover, and does not impact the float at the first time, so that the float will not shake, and a through-groove rod is installed on the top of the circular cover, and the circular cover can be fixed to the top of the cylinder by the through-groove rod, and a ventilation groove is provided inside the through-groove rod, and the air inside the cylinder can be discharged through the ventilation groove.
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Description

Technical Field

[0001] The invention relates to the technical field of water cut-off regulation, in particular to a water cut-off regulating valve for a storage tank of a styrene device. Background Art

[0002] The water cut-off regulating valve is a new generation product developed and designed according to the needs of storage tank dehydration in the petrochemical industry. It is made of stainless steel and has the advantages of reasonable design, simple structure, large water discharge capacity, fast oil return speed, strong corrosion resistance, easy use, safety and reliability.

[0003] In the prior art, when liquid enters the float ball inside the water cut-off regulating valve through the feed port, the liquid will impact the float ball, causing the float ball to shake, which will cause the drain outlet switch to open due to the shaking of the float ball, resulting in incorrect drainage. Summary of the Invention

[0004] The object of the present invention is to provide a water cut-off regulating valve for a styrene device storage tank to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a water cut-off regulating valve for a styrene device storage tank, the water cut-off regulating valve for a styrene device storage tank comprising:

[0006] The cylinder body has a feed port installed on the top and a float installed inside the cylinder body;

[0007] A float, a first stabilizing rod is installed on the top of the float, a second stabilizing rod is installed on the bottom of the float, a swing rod is hinged on the bottom of the second stabilizing rod, and the swing rod is hinged to the valve, and

[0008] The water outlet is arranged on the outer wall of the cylinder, and the water outlet is located outside the valve.

[0009] Preferably, a circular groove is provided on the top of the cylinder, a through-groove rod is inserted into the circular groove, and a ventilation groove is provided inside the through-groove rod.

[0010] Preferably, a circular cover is installed at the bottom of the through-slot rod, the circular cover is disc-shaped, and the top of the circular cover is arc-shaped. A centering ring is installed on the inner wall of the circular cover, and the centering ring is ring-shaped.

[0011] Preferably, a fixing ring is installed on the top of the cylinder, the fixing ring is ring-shaped, a receiving ring is installed on the top of the fixing ring, and a threaded ring is installed on the top of the receiving ring.

[0012] Preferably, the threaded ring and the two groups are located at the top of the receiving ring, a fixing groove is provided between the two groups of threaded rings, and a nut is screwed onto the outside of the threaded ring.

[0013] Preferably, two groups of fixing rods are hinged on the top of the through-slot rod via a rotating shaft, and elastic sheets are installed on the side walls of the fixing rods, and the other ends of the elastic sheets are connected to the outer wall of the through-slot rod.

[0014] Preferably, a lifting groove is provided at the bottom of the cylinder, the lifting groove is funnel-shaped, and the bottom of the second stabilizing rod is located in the lifting groove.

[0015] Preferably, a telescopic cylinder is installed on the outer wall of the float, a spring is installed inside the telescopic cylinder, and a telescopic rod is installed at the end of the spring.

[0016] Preferably, a contact plate is installed at the end of the telescopic rod, the contact plate is close to the inner wall of the cylinder, and a pulley is installed on the surface of the contact plate, and the pulley is located between the contact plate and the inner wall of the cylinder.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The top of the dome proposed by the present invention is arc-shaped, so that the liquid entering from the feed port first flows on the top of the dome, and then flows into the interior of the cylinder through the top of the dome, without immediately impacting the float ball, which will not cause the float ball to shake. In addition, a through-slot rod is installed on the top of the dome, and the dome can be fixed to the top of the cylinder by the through-slot rod. A vent groove is opened inside the through-slot rod, and the air inside the cylinder can be discharged through the vent groove.

[0019] 2. The top of the through-slot rod proposed in the present invention is hinged with two sets of fixing rods through a rotating shaft. After the through-slot rod passes through the top of the cylinder, the fixing rod is rotated through the rotating shaft so that the fixing rod is perpendicular to the top of the cylinder. The fixing rod is stuck inside the fixing groove, and then the through-slot rod is fixed on the threaded ring by a nut, so that the round cover can be quickly installed, and a spring is installed on the side wall of the fixing rod to keep the fixing rod in a vertical state. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure at center A;

[0022] Figure 3 for Figure 1 A magnified schematic diagram of the structure at point B in the middle;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the circular cover of the present invention;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the circular cover of the present invention;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the fixing ring of the present invention.

[0026] In the figure: cylinder 1, ventilation groove 2, focusing ring 3, feed port 4, first stabilizing rod 5, round cover 6, float 7, second stabilizing rod 8, lifting groove 9, swing rod 10, valve 11, water outlet 12, telescopic cylinder 13, spring 14, telescopic rod 15, pulley 16, contact plate 17, fixing ring 18, receiving ring 19, fixing rod 20, threaded ring 21, nut 22, spring piece 23, through-groove rod 24, fixing groove 25. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figures 1 to 6 The present invention provides a technical solution: a water cut-off regulating valve for a styrene device storage tank, comprising: a cylinder 1, a feed port 4 is installed on the top of the cylinder 1, and a float 7 is installed inside the cylinder 1, a circular groove is opened on the top of the cylinder 1, a through-groove rod 24 is inserted into the circular groove, and a vent groove 2 is opened inside the through-groove rod 24. When the round cover 6 is installed, the through-groove rod 24 is inserted into the circular groove opened on the top of the cylinder 1, and the through-groove rod 24 is located in the middle of the fixing ring 18;

[0029] A circular cover 6 is installed at the bottom of the through-groove rod 24. The circular cover 6 is disc-shaped, and the top of the circular cover 6 is arc-shaped. A focusing ring 3 is installed on the inner wall of the circular cover 6. The focusing ring 3 is annular. When the oil-water mixed liquid enters the interior of the cylinder 1 through the feed port 4, it first falls on the bottom of the circular cover 6 to prevent the liquid from directly impacting the float 7, causing the float 7 to shake. After the liquid falls into the interior of the cylinder 1, the float 7 floats. The first stabilizing rod 5 is located in the middle of the focusing ring 3;

[0030] A fixing ring 18 is installed on the top of the cylinder 1. The fixing ring 18 is annular. A receiving ring 19 is installed on the top of the fixing ring 18. A threaded ring 21 is installed on the top of the receiving ring 19. The through-slot rod 24 is located in the middle of the fixing ring 18. Then the fixing rod 20 is rotated around the rotating shaft, the spring piece 23 is stretched, the fixing rod 20 is stuck in the fixing groove 25, the nut 22 is screwed onto the threaded ring 21, and the fixing rod 20 is fixed to the top of the receiving ring 19, so that the round cover 6 is fixed;

[0031] The threaded ring 21 and the two groups are located at the top of the receiving ring 19. A fixing groove 25 is opened between the two groups of threaded rings 21. The outer part of the threaded ring 21 is screwed with a nut 22. When the spring piece 23 is stretched, the fixing rod 20 is stuck in the fixing groove 25, and the nut 22 is screwed on the threaded ring 21.

[0032] The top of the through-slot rod 24 is hinged with two sets of fixed rods 20 via a rotating shaft. A spring piece 23 is installed on the side wall of the fixed rod 20. The other end of the spring piece 23 is connected to the outer wall of the through-slot rod 24 to discharge the water at the bottom through the water outlet 12. When installing the round cover 6, the through-slot rod 24 is inserted into the circular groove opened at the top of the cylinder 1, and the through-slot rod 24 is located in the middle of the fixing ring 18. Then the fixed rod 20 is rotated around the rotating shaft, and the spring piece 23 is stretched.

[0033] A lifting groove 9 is provided at the bottom of the cylinder 1. The lifting groove 9 is funnel-shaped. The bottom of the second stabilizing rod 8 is located in the lifting groove 9. The first stabilizing rod 5 is located in the middle of the central ring 3. The second stabilizing rod 8 is located inside the lifting groove 9. These are all to prevent the floating ball 7 from shaking when floating.

[0034] The float 7 has a first stabilizing rod 5 mounted on its top and a second stabilizing rod 8 mounted on its bottom. A swing rod 10 is hinged to the bottom of the second stabilizing rod 8, which is hinged to a valve 11. A telescopic cylinder 13 is mounted on the outer wall of the float 7. A spring 14 is mounted inside the telescopic cylinder 13, and a telescopic rod 15 is mounted on the end of the spring 14. The spring 14 inside the telescopic cylinder 13 pushes the telescopic rod 15, so that the contact plate 17 is always in close contact with the inner wall of the cylinder 1.

[0035] The water outlet 12 is provided on the outer wall of the cylinder 1 and is located outside the valve 11. The floating ball 7 drives the swing rod 10 to swing, so that the valve 11 is opened and closed, and the water at the bottom is discharged through the water outlet 12.

[0036] A contact plate 17 is installed at the end of the telescopic rod 15, and the contact plate 17 is close to the inner wall of the cylinder 1. A pulley 16 is installed on the surface of the contact plate 17, and the pulley 16 is located between the contact plate 17 and the inner wall of the cylinder 1. The contact plate 17 is always close to the inner wall of the cylinder 1, and the pulley 16 slides. The spring 14 inside the telescopic cylinder 13 pushes the telescopic rod 15, so that the contact plate 17 is always close to the inner wall of the cylinder 1.

[0037] Working principle: In actual use, when the oil-water mixed liquid enters the cylinder 1 through the feed port 4, it first falls on the bottom of the round cover 6 to prevent the liquid from directly impacting the float 7, causing the float 7 to shake. After the liquid falls into the cylinder 1, the float 7 floats. The first stabilizing rod 5 is located in the middle of the central ring 3, and the second stabilizing rod 8 is located inside the lifting groove 9. Both prevent the float 7 from shaking when floating. When the float 7 floats up and down, the contact plate 17 is always close to the inner wall of the cylinder 1, and the pulley 16 slides. The spring 14 inside the telescopic cylinder 13 pushes the telescopic rod 15, so that the contact plate 17 has been close to the inner wall of the cylinder 1, the float 7 floats and drives the swing rod 10 to swing, so that the valve 11 is switched, and the water at the bottom is discharged through the outlet 12. When installing the round cover 6, the through-slot rod 24 is inserted into the round groove opened at the top of the cylinder 1, and the through-slot rod 24 is located in the middle of the fixing ring 18. Then the fixing rod 20 is rotated around the rotating shaft, the spring piece 23 is stretched, and the fixing rod 20 is stuck in the fixing groove 25. The nut 22 is screwed on the threaded ring 21, and the fixing rod 20 is fixed to the top of the receiving ring 19, so that the round cover 6 is fixed, and the air inside the cylinder 1 can be discharged through the vent groove 2.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A water cut-off regulating valve for a styrene device storage tank, characterized by: The water cut-off regulating valve for the styrene device storage tank includes: A cylinder (1), a feed port (4) is installed on the top of the cylinder (1), and a float (7) is installed inside the cylinder (1); A float (7), a first stabilizing rod (5) is installed on the top of the float (7), a second stabilizing rod (8) is installed on the bottom of the float (7), a swing rod (10) is hinged to the bottom of the second stabilizing rod (8), and the swing rod (10) is hinged to the valve (11), and A water outlet (12) is provided on the outer wall of the cylinder (1), and the water outlet (12) is located outside the valve (11); The top of the cylinder (1) is provided with a circular groove, a through-groove rod (24) is inserted into the circular groove, and a ventilation groove (2) is provided inside the through-groove rod (24); A circular cover (6) is installed at the bottom of the through-groove rod (24), the circular cover (6) is disc-shaped, and the top of the circular cover (6) is arc-shaped. A centralizing ring (3) is installed on the inner wall of the circular cover (6), and the centralizing ring (3) is ring-shaped; A telescopic cylinder (13) is installed on the outer wall of the floating ball (7), a spring (14) is installed inside the telescopic cylinder (13), and a telescopic rod (15) is installed at the end of the spring (14); A contact plate (17) is installed at the end of the telescopic rod (15), and the contact plate (17) is attached to the inner wall of the cylinder (1). A pulley (16) is installed on the surface of the contact plate (17), and the pulley (16) is located between the contact plate (17) and the inner wall of the cylinder (1).

2. A water cut-off regulating valve for a styrene device storage tank according to claim 1, characterized in that: A fixing ring (18) is installed on the top of the cylinder (1), and the fixing ring (18) is annular. A receiving ring (19) is installed on the top of the fixing ring (18), and a threaded ring (21) is installed on the top of the receiving ring (19).

3. The water cut-off regulating valve for a styrene device storage tank according to claim 2, characterized in that: The threaded ring (21) and the two groups are located on the top of the receiving ring (19), a fixing groove (25) is provided between the two groups of threaded rings (21), and a nut (22) is screwed onto the outside of the threaded ring (21).

4. The water cut-off regulating valve for a styrene device storage tank according to claim 3, characterized in that: The top of the through-slot rod (24) is hinged with two sets of fixed rods (20) via a rotating shaft. A spring piece (23) is installed on the side wall of the fixed rod (20), and the other end of the spring piece (23) is connected to the outer wall of the through-slot rod (24).

5. The water cut-off regulating valve for a styrene device storage tank according to claim 4, characterized in that: A lifting groove (9) is provided at the bottom of the cylinder (1), and the lifting groove (9) is funnel-shaped. The bottom of the second stabilizing rod (8) is located in the lifting groove (9).

Citation Information

Patent Citations

  • Water cutting regulating valve for styrene device storage tank

    CN216590212U