Novel special-shaped guide fixed valve

Abstract

The utility model relates to a novel special-shaped guide fixed valve which comprises a tower plate, a first valve hole, a second valve hole, a first valve plate and a second valve plate, the first valve hole is formed in the tower plate; the second valve hole is formed in the tower plate and is communicated with the first valve hole; the first valve plate is arranged above the first valve hole; the second valve plate is arranged above the second valve hole, and the second valve plate is connected with the first valve plate; one end, away from the second valve plate, of the first valve plate is connected with the tower plate through a first valve leg; one end, far away from the first valve plate, of the second valve plate is connected with the tower plate through a second valve leg; and the two sides, parallel to the liquid flow direction, of the first valve plate, the second valve plate, the first valve leg and the second valve leg and the tower plate form two lateral vent holes.

Description

Technical Field

[0001] The utility model belongs to a structural internal part for tower equipment in the fields of petroleum, chemical industry and environmental protection, and particularly relates to a novel special-shaped guide fixed valve. Background Art

[0002] Towers are a critical, high-volume unit of equipment used in a wide range of sectors, including oil refining, petrochemicals, fine chemicals, food, pharmaceuticals, and environmental protection. Towers are widely used in unit operations such as distillation, absorption, extraction, scrubbing, and heat transfer. Based on the structure of the gas-liquid contact components within the tower, towers can be divided into two categories: plate towers and packed towers. Valve trays are commonly used in distillation towers, but they are expensive to manufacture, increasing the workload of processing, installation, and maintenance. They are also prone to clogging with viscous materials, rendering the trays unusable.

[0003] Fixed valve trays share the advantages of floating valve trays and, to a certain extent, overcome their shortcomings. Fixed valve trays are typically stamped from a single tray, resulting in a simple structure and easy manufacturing, resulting in a low cost and widespread application. They are particularly suitable for applications involving dirty, clogging, and coking-prone systems. However, existing fixed valve trays have a limited aperture, resulting in insufficient tray processing capacity.

[0004] Based on the above problems, the utility model proposes a new type of special-shaped guide fixed valve. Utility Model Content

[0005] The purpose of this utility model is to provide a new type of special-shaped guide fixed valve. In order to achieve the above purpose, the technical solution adopted by this utility model is:

[0006] A new type of special-shaped guide solid valve, comprising:

[0007] Tray;

[0008] a first valve hole, disposed on the tower plate;

[0009] a second valve hole, disposed on the tower plate and communicating with the first valve hole;

[0010] a first valve plate, disposed above the first valve hole;

[0011] a second valve plate, disposed above the second valve hole, the second valve plate being connected to the first valve plate;

[0012] One end of the first valve plate away from the second valve plate is connected to the tower plate via a first valve leg; one end of the second valve plate away from the first valve plate is connected to the tower plate via a second valve leg;

[0013] The first valve plate, the second valve plate, the first valve leg, and the second valve leg form two lateral vents on both sides of the plate parallel to the liquid flow direction.

[0014] Furthermore, the first valve disc and the second valve disc are both fan-shaped.

[0015] Furthermore, the diameter of the first valve disc is 5-30 mm, and the diameter of the second valve disc is 10-60 mm.

[0016] Furthermore, a first U-shaped groove is provided at one end of the first valve plate away from the second valve plate, and a second U-shaped groove is provided at one end of the second valve plate away from the first valve plate; one end of the first valve leg is connected to the bottom of the first U-shaped groove, and one end of the second valve leg is connected to the bottom of the second U-shaped groove.

[0017] Furthermore, a guide hole is provided through the end surface formed by connecting the first valve plate and the second valve plate.

[0018] Furthermore, a tongue is provided on the guide hole.

[0019] Furthermore, the valve leg includes a first connecting section, a second connecting section, and a third connecting section; the first connecting section is connected to one end of the first valve disc, the first connecting section arches toward the upper end surface of the first valve disc to form a first arch shape, the third connecting section is connected to the tower plate, the third connecting section arches toward the lower end surface of the tower plate to form a second arch shape, and the first connecting section and the third connecting section are connected by the second connecting section;

[0020] The second valve leg includes a fourth connecting section, a fifth connecting section and a sixth connecting section; the fourth connecting section is connected to one end of the second valve plate, the fourth connecting section is arched toward the upper end surface of the second valve plate to form a third arch, the sixth connecting section is connected to the tower plate, the sixth connecting section is arched toward the lower end surface of the tower plate to form a fourth arch, and the fourth connecting section and the sixth connecting section are connected through the fifth connecting section.

[0021] Furthermore, the dome of the first arch does not exceed the upper end surface of the first valve plate;

[0022] The top of the third arch does not exceed the upper end surface of the second valve plate.

[0023] Furthermore, the tops of the second arch and the fourth arch do not exceed the lower end surface of the tower plate.

[0024] Furthermore, the angle between the special-shaped valve disc formed by connecting the first valve disc and the second valve disc and the tower plate is 0-30°.

[0025] The utility model has the following advantages due to the adoption of the above technical solution:

[0026] The utility model provides a new type of special-shaped guide solid valve. Compared with the existing technology, the utility model has a higher opening area through the cooperation of the first valve hole, the second valve hole, the first valve plate and the second valve plate, which reduces the blockage of particulate matter, increases the opening rate per unit area of ​​the tower plate, and improves the mass transfer efficiency and processing capacity of the tower plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural schematic diagram of Example 1 of a new type of special-shaped guide solid valve of the present utility model.

[0028] Figure 2 It is a structural schematic diagram of a new type of special-shaped guide solid valve embodiment 2 of the present utility model.

[0029] Figure 3 This is a schematic diagram of the guide hole structure of a new type of special-shaped guide fixed valve of the utility model.

[0030] The figures are marked as follows: 1-tower plate, 2-first valve hole, 3-second valve hole, 4-first valve plate, 401-first U-shaped groove, 5-second valve plate, 501-second U-shaped groove, 6-first valve leg, 601-first connecting section, 602-second connecting section, 603-third connecting section, 7-vent, 8-guide hole, 9-tongue, 10-second valve leg. DETAILED DESCRIPTION

[0031] The following will be combined with the accompanying drawings to describe the preferred embodiments of the present invention in detail so that the purpose, features and advantages of the present invention can be more clearly understood. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solution of the present invention.

[0032] Example 1

[0033] The utility model provides a new type of special-shaped guide fixed valve, specifically Figure 1 As shown, the tower plate 1 includes a first valve hole 2, a second valve hole 3, a first valve disc 4, and a second valve disc 5. The first valve hole 2 is provided on the tower plate 1; the second valve hole 3 is provided on the tower plate 1 and is in communication with the first valve hole 2; the first valve disc 4 is provided above the first valve hole 2 and matches the first valve hole 2; the second valve disc 5 is provided above the second valve hole 3 and matches the second valve hole 3, and is connected to the first valve disc 4; the end of the first valve disc 4 away from the second valve disc 5 is connected to the tower plate 1 via a first valve leg 6; the end of the second valve disc 5 away from the first valve disc 4 is connected to the tower plate 1 via a second valve leg 10; the first valve disc 4, the second valve disc 5, and the first and second valve legs 6, 10 form two lateral vents 7 on both sides of the tower plate 1 parallel to the liquid flow direction.

[0034] As a preference, the thickness of the tray 1 may be preferably 2-5 mm.

[0035] In the embodiment of the present invention, the first valve disc 4 and the second valve disc 5 are both fan-shaped, and the first valve disc 4 and the second valve disc 5 are connected to form a special-shaped valve disc.

[0036] In the embodiment of the present invention, the diameter of the first valve disc 4 is 5-30 mm, and the diameter of the second valve disc 5 is 10-60 mm.

[0037] The opening areas of the first valve hole 2 and the second valve hole 3 are different, resulting in different gas output volumes. By adjusting the opening degrees of the first valve hole 2 and the second valve hole 3 or selecting valve plates with different opening areas, precise control of the gas flow rate can be achieved.

[0038] In the embodiment of the present invention, the first valve leg 6 includes a first connecting section 601, a second connecting section 602 and a third connecting section 603; the first connecting section 601 is connected to one end of the first valve disc 4, and the first connecting section 601 is arched toward the upper end surface of the first valve disc 4 to form a first arch shape; the third connecting section 603 is connected to the tower plate 1, and the third connecting section 603 is arched toward the lower end surface of the tower plate 1 to form a second arch shape; the first connecting section 601 and the third connecting section 603 are connected by the second connecting section 602;

[0039] The second valve leg 10 includes a fourth connecting section, a fifth connecting section and a sixth connecting section; the fourth connecting section is connected to one end of the second valve plate 5, and the fourth connecting section is arched toward the upper end surface of the second valve plate 5 to form a third arch; the sixth connecting section is connected to the tower plate 1, and the sixth connecting section is arched toward the lower end surface of the tower plate 1 to form a fourth arch; the fourth connecting section and the sixth connecting section are connected through the fifth connecting section.

[0040] Furthermore, the top of the first arch does not exceed the upper end surface of the first valve disc 4 ; and the top of the third arch does not exceed the upper end surface of the second valve disc 5 .

[0041] Furthermore, the tops of the second arch and the fourth arch do not exceed the lower end surface of the tower plate 1.

[0042] Furthermore, the valve legs and the valve plate are formed by stamping the tower plate body.

[0043] The valve leg design in this embodiment guides airflow more smoothly through the valve legs, reducing flow resistance and thus improving the tray's mass transfer efficiency. Furthermore, it prevents material accumulation and blockage in the valve legs. The valve leg design also takes into account the tray's strength and stability. By optimizing the shape and size of the valve legs, the tray's overall structural strength can be enhanced, improving its stability and durability under various operating conditions.

[0044] Example 2

[0045] In one embodiment of the present invention, Figure 2-3 As shown, a first U-shaped groove 401 is provided at one end of the first valve disc 4 away from the second valve disc 5, and a second U-shaped groove 501 is provided at one end of the second valve disc 5 away from the first valve disc 4; one end of the first valve leg 6 is connected to the bottom of the first U-shaped groove 401, and one end of the second valve leg 10 is connected to the bottom of the second U-shaped groove 501.

[0046] Specifically, a guide hole 8 is provided through the end surface formed by the junction of the first valve disc 4 and the second valve disc 5. It is understood that the shape of the guide hole 8 can be customized based on actual needs. For example, the guide hole 8 is a rectangular guide hole. This rectangular guide hole eliminates dead zones at the valve top and guides the flow downstream, thereby enhancing gas-liquid mass transfer.

[0047] Furthermore, a tongue piece 9 is provided on the guide hole 8. The design of the tongue piece can promote the direction of the liquid, reduce the liquid level gradient, make the gas-liquid mass transfer more uniform, and make the valve body run more smoothly.

[0048] Furthermore, the angle between the special-shaped valve disc formed by connecting the first valve disc 4 and the second valve disc 5 and the tower plate 1 is 0-30°.

[0049] Furthermore, the angle between the special-shaped valve disc formed by connecting the first valve disc 4 and the second valve disc 5 and the tongue disc 9 is 10-60°.

[0050] In this embodiment, a liquid receiving pan is provided at one end of the tower plate 1, and an outlet weir is provided at the other end. The valve leg close to the liquid receiving pan is the front valve leg (i.e., the first valve leg), and the valve leg close to the outlet weir is the rear valve leg (i.e., the second valve leg).

[0051] As a preference, the valve leg has a height of 5-15 mm and a width of 3-15 mm.

[0052] As a preference, the width of the front valve leg is greater than or equal to the width of the rear valve leg. If the width of the front valve leg is greater than the width of the rear valve leg, a trapezoid can be formed. The gas pushes the liquid forward, pushing the liquid to flow in the horizontal direction, which can effectively overcome the liquid level gradient on the tower plate, eliminate the stagnation area in the bow area on the tower plate, and has a higher separation efficiency.

[0053] This utility model provides a novel, special-shaped, guide-type fixed valve. The first and second valve discs, along with the first and second valve holes, work together to create a large opening area. The maximum lift height of the first and second valve discs reaches 15 mm, making them less susceptible to clogging by particulate matter. Furthermore, the guiding force of this structure reduces the residence time of particulate matter on the tray, enhancing the tray's anti-clogging performance.

[0054] Compared with the traditional floating valve tray, the novel special-shaped guide fixed valve provided by the utility model has the advantages of high efficiency, low pressure drop and strong anti-blocking performance.

[0055] Compared with a sieve plate tower, a novel special-shaped guide fixed valve provided by the utility model has the advantages of large processing capacity and small mist entrainment.

[0056] Compared with the traditional fixed valve tower plate, the new special-shaped guide fixed valve provided by the utility model has a large valve plate lifting height on the tower plate and a stronger anti-blocking ability, thereby preventing solid particles such as coke powder from accumulating on the tower plate.

Claims

1. A new type of special-shaped guide fixed valve, characterized in that: include: Tray (1); A first valve hole (2) is provided on the tower plate (1); a second valve hole (3), provided on the tray (1) and communicating with the first valve hole (2); A first valve plate (4) is arranged above the first valve hole (2); A second valve plate (5) is arranged above the second valve hole (3), and the second valve plate (5) is connected to the first valve plate (4); One end of the first valve disc (4) away from the second valve disc (5) is connected to the tower plate (1) via a first valve leg (6); and one end of the second valve disc (5) away from the first valve disc (4) is connected to the tower plate (1) via a second valve leg (10); The first valve plate (4), the second valve plate (5), the first valve leg (6), and the second valve leg (10) form two lateral vents (7) on both sides of the tower plate (1) parallel to the liquid flow direction.

2. A novel special-shaped guide fixed valve according to claim 1, characterized in that: The first valve plate (4) and the second valve plate (5) are both fan-shaped.

3. A novel special-shaped guide fixed valve according to claim 1 or 2, characterized in that: The diameter of the first valve plate (4) is 5-30 mm, and the diameter of the second valve plate (5) is 10-60 mm.

4. A novel special-shaped guide fixed valve according to claim 3, characterized in that: A first U-shaped groove (401) is provided at one end of the first valve disc (4) away from the second valve disc (5), and a second U-shaped groove (501) is provided at one end of the second valve disc (5) away from the first valve disc (4); one end of the first valve leg (6) is connected to the bottom of the first U-shaped groove (401), and one end of the second valve leg (10) is connected to the bottom of the second U-shaped groove (501).

5. A novel special-shaped guide fixed valve according to claim 4, characterized in that: A guide hole (8) is provided through the end surface formed by the connection between the first valve plate (4) and the second valve plate (5).

6. A novel special-shaped guide fixed valve according to claim 5, characterized in that: A tongue piece (9) is provided on the guide hole (8).

7. A novel special-shaped guide fixed valve according to claim 6, characterized in that: The first valve leg (6) includes a first connecting section (601), a second connecting section (602) and a third connecting section (603); the first connecting section (601) is connected to one end of the first valve plate (4), the first connecting section (601) is arched toward the upper end surface of the first valve plate (4) to form a first arch shape, the third connecting section (603) is connected to the tower plate (1), the third connecting section (603) is arched toward the lower end surface of the tower plate (1) to form a second arch shape, and the first connecting section (601) and the third connecting section (603) are connected via the second connecting section (602); The second valve leg (10) includes a fourth connecting section, a fifth connecting section and a sixth connecting section; the fourth connecting section is connected to one end of the second valve plate (5), and the fourth connecting section is arched toward the upper end surface of the second valve plate (5) to form a third arch; the sixth connecting section is connected to the tower plate (1), and the sixth connecting section is arched toward the lower end surface of the tower plate (1) to form a fourth arch; the fourth connecting section and the sixth connecting section are connected via the fifth connecting section.

8. A novel special-shaped guide fixed valve according to claim 7, characterized in that: The top of the first arch does not exceed the upper end surface of the first valve plate (4); The top of the third arch does not exceed the upper end surface of the second valve plate (5).

9. A novel special-shaped guide fixed valve according to claim 8, characterized in that: The tops of the second arch and the fourth arch do not exceed the lower end surface of the tower plate (1).

10. A novel special-shaped guide fixed valve according to claim 1, characterized in that: The angle between the special-shaped valve disc formed by connecting the first valve disc (4) and the second valve disc (5) and the tower plate (1) is 0-30°.

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