Sealing device for sulfur sealing

Abstract

The utility model relates to the field of sulfur production, in particular to a sealing device for sulfur sealing, which comprises a cover plate and an operating rod, the cover plate comprises a first plate body, a second plate body and a displacement assembly, the first plate body is provided with a supporting assembly and a through observation channel, and the observation channel is used for being communicated with the sulfur seal; the second plate body is nested in the observation channel; the displacement assembly is rotationally connected with the first plate body, the displacement assembly is slidably connected with the second plate body, and the second plate body can slide in the axial direction of the observation channel; the operating rod can be connected with the second plate body, the operating rod can abut against the supporting assembly, and the operating rod is used for lifting the second plate body and pushing the second plate body to be away from the observation channel; the cover plate is composed of the first plate body and the second plate body, and the observation channel is opened by operating the second plate body, so that the operation difficulty is reduced, and the sealing performance of the sulfur seal is ensured; the operation distance is lengthened through the operation rod, and the operation safety of operators is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of sulfur production, in particular to a sealing device used for sulfur sealing. Background Art

[0002] In the process of producing sulfur from sour natural gas, observation covers are installed on each level of sulfur seals to facilitate the observation of the physical properties of liquid sulfur. In order to prevent the leakage of harmful gases in the liquid sulfur and cause environmental pollution and personal injury, a 3-cm thick cast iron round plate is used as an observation cover to cover the sulfur seals to seal them. During the operation of the device, it is sometimes necessary to open the sulfur seals to observe the physical properties of the liquid sulfur.

[0003] However, since the cover is made of thick cast iron and has a large overall weight, it is inconvenient for operators to open the observation cover; moreover, when opening the observation cover, operators need to operate close to the sulfur seal, which poses certain safety risks. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art that the sulfur sealing cover is inconvenient to open and has safety risks, and to provide a sealing device for sulfur sealing.

[0005] In a first aspect, the utility model provides a closure device for sulfur sealing, comprising a cover plate and an operating rod;

[0006] The cover plate includes a first plate body, a second plate body and a displacement assembly,

[0007] The first plate body is provided with a support assembly and a through observation channel, and the observation channel is used to communicate with the sulfur seal; the second plate body is nested in the observation channel; the displacement assembly is rotatably connected to the first plate body, and the displacement assembly is slidably connected to the second plate body, and the second plate body can slide along the axial direction of the observation channel;

[0008] The operating rod can be connected to the second plate body, the operating rod can abut against the supporting assembly, and the operating rod is used to lift the second plate body and push the second plate body away from the observation channel.

[0009] The utility model discloses a sealing device for sulfur seal, wherein a displacement component connects a first plate body and a second plate body, and the displacement component rotates relative to the first plate body, so that the displacement component can drive the second plate body away from an observation channel, thereby opening the observation channel, and enabling an operator to observe the physical property state of liquid sulfur through the observation channel; when the sulfur seal is closed, the second plate body is nested in the observation channel, thereby blocking the observation channel to prevent leakage; when the sulfur seal needs to be opened, the second plate body slides along the axial direction of the observation channel and escapes from the observation channel, and the displacement component drives the second plate body to move, so that the second plate body is away from the observation channel; a support component arranged on the first plate body provides a fulcrum for an operating rod, and when the operating rod is connected to the second plate body, the operator can use the lever principle to make the second plate body easier to escape from the observation channel; the operating rod pushes the second plate body, so that the second plate body is away from the observation channel; the second plate body and the first plate body can be separated more easily, reducing the difficulty of operation, and the operating rod lengthens the operating distance of the second plate body, so that the operator can open the observation channel away from the position of the sulfur seal, thereby ensuring the safety of the operator.

[0010] Preferably, the second plate body is provided with a lifting member, and the lifting member can be clamped and connected with the operating rod.

[0011] The lifting member is a columnar structural member arranged on the top of the second plate body. A circular plate is arranged at the end of the columnar structural member as an abutment member. The abutment member is abutted by an operating rod to achieve lifting of the second plate body so that the second plate body is out of the observation channel. When the second plate body is out of the observation channel, the columnar structural member is pushed by the operating rod to move the second plate body away from the observation channel.

[0012] Preferably, a clamping portion is provided at the end of the operating rod, and the clamping portion can be connected to the lifting member in a limiting manner.

[0013] The clamping portion is in an arc shape, and the arc surface of the clamping portion can be adapted to abut against the columnar structural member to ensure the stability of the connection, and the top of the clamping portion can abut against the abutting member.

[0014] Preferably, the displacement assembly includes a cross bar, a first vertical bar is arranged at one end of the cross bar, and a second vertical bar is arranged at the other end of the cross bar, the first vertical bar is rotationally connected to the first plate body, and the second vertical bar is axially slidably connected to the second plate body.

[0015] The second vertical rod is connected to the middle part of the second plate body, so that the second plate body can be lifted more evenly; the first vertical rod, the second vertical rod and the cross rod together form a U-shaped structural member, so that the second plate body can rotate around the first vertical rod.

[0016] Preferably, the second plate body is provided with a sliding rod, the second vertical rod is provided with a sliding groove, and the sliding rod is slidably connected to the sliding groove.

[0017] The slide groove is arranged on the end surface of the second vertical rod, so that the slide rod can slide along the axial direction of the second vertical rod, and the second plate body can be lifted smoothly through the cooperation and connection between the slide groove and the slide rod.

[0018] Preferably, the second plate body is provided with a spring member, one end of the spring member is connected to the second plate body, and the other end of the spring member is connected to the displacement assembly.

[0019] When no other external force is applied, the spring element can ensure that the second plate body is always tightly connected to the first plate body to prevent leakage of the sulfur seal; usually, a sealing element is also provided on the first plate body or the second plate body to enhance the sealing effect between the first plate body and the second plate body.

[0020] Preferably, the first plate body is provided with a first limiting portion located in the observation channel, and the first limiting portion is used to abut against the second plate body.

[0021] The first limiting portion is an annular step provided in the observation channel. The first limiting portion abuts against the second plate body, so that the second plate body is positioned in an appropriate position in the observation channel to ensure sealing performance.

[0022] Preferably, the second plate body is provided with a second limiting portion, and the second limiting portion is used to abut against the first plate body.

[0023] The second limiting portion is an outer edge provided on the second plate body. The second limiting portion abuts against the first plate body, so that the second plate body is positioned in an appropriate position in the observation channel to ensure sealing performance.

[0024] Preferably, the support assembly includes a support column and a clamping member, one end of the support column is connected to the first plate body, and the other end is rotatably connected to the clamping member, and the clamping member is used to clamp and limit the operating rod, and the operating rod can slide axially.

[0025] The support column raises the position of the clamping piece, making it easier for the operating rod to lift the second plate body through the lever principle so that the second plate body can be disengaged from the observation channel; the rotational connection between the clamping piece and the support column can prevent the operating rod from being stuck by the clamping piece, so that the operating rod can slide smoothly in the clamping piece and push the second plate body.

[0026] Preferably, the clamping member comprises a U-shaped groove body, and the bottom of the U-shaped groove body is rotatably connected to the support column.

[0027] The U-shaped groove body can more easily limit the radial position of the operating rod and enable the operating rod to slide along the axial direction, so that the operating rod can push the second plate body.

[0028] Compared with the prior art, the utility model has the following beneficial effects:

[0029] 1. The utility model discloses a sealing device for sulfur seal, wherein a displacement assembly connects a first plate body and a second plate body, and the displacement assembly rotates relative to the first plate body, so that the displacement assembly can drive the second plate body away from an observation channel, thereby opening the observation channel, and enabling an operator to observe the physical state of liquid sulfur through the observation channel; when the sulfur seal is closed, the second plate body is nested in the observation channel, thereby blocking the observation channel to prevent leakage; when the sulfur seal needs to be opened, the second plate body slides along the axial direction of the observation channel and escapes from the observation channel, and the displacement assembly drives the second plate body to move, so that the second plate body is away from the observation channel; the support assembly arranged on the first plate body provides a fulcrum for the operating rod, and when the operating rod is connected to the second plate body, the operator can use the lever principle to make the second plate body more easily escape from the observation channel; the operating rod pushes the second plate body, so that the second plate body is away from the observation channel; the second plate body and the first plate body can be separated more easily, reducing the difficulty of operation, and the operating rod lengthens the operating distance of the second plate body, so that the operator can open the observation channel away from the position of the sulfur seal, thereby ensuring the safety of the operator.

[0030] 2. The utility model is a sealing device for sulfur sealing, which has a simple structure, is easy to manufacture and convenient to use. The cover plate is composed of a first plate body and a second plate body. The second plate body is operated to open the observation channel to avoid operating the entire cover plate, thereby reducing the operating difficulty and ensuring the sealing of the sulfur seal. The operating distance is lengthened by the operating rod to ensure the operating safety of the operator, and the utility model has good economic value and practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the cover plate of Example 1;

[0032] Figure 2 This is a schematic diagram of the structure of the operating lever of Example 1;

[0033] Figure 3 This is a schematic structural diagram of the first plate body of Example 1;

[0034] Figure 4 This is a schematic structural diagram of the second plate body of Example 1;

[0035] Figure 5 This is a schematic diagram of the structure of the support assembly of Example 1.

[0036] Markings in the figure:

[0037] 1-cover plate, 11-first plate body, 12-second plate body, 121-slide rod, 13-displacement assembly, 131-first vertical rod, 132-second vertical rod, 133-cross rod, 14-observation channel, 15-first limiting part, 16-second limiting part, 2-operating rod, 3-support assembly, 31-support column, 32-clamping member, 4-lifting member, 5-spring member, 6-clamping part. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with specific embodiments. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0039] Unless otherwise specified, in the description of the specific embodiments of the present utility model, the expression terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are all based on the expression of the orientation or position relationship shown in the drawings, or the orientation or position relationship when the product / equipment / device of the utility model is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the utility model or simplifying the description in the specific embodiments, so that technicians can quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present utility model.

[0040] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding devices / components / elements are within the error / deviation range, they can still achieve their functions in the solution of the utility model.

[0041] In addition, the expressions “first”, “second”, “third”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0042] In addition, in the description of the embodiments of the present invention, "several", "multiple" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0043] In addition, in the description of the technical solution of the utility model, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components.

[0044] Example 1

[0045] like Figure 1-Figure 5 As shown, a sealing device for sulfur sealing comprises a cover plate 1 and an operating rod 2;

[0046] The cover plate 1 includes a first plate body 11, a second plate body 12 and a displacement assembly 13.

[0047] The first plate body 11 is provided with a support assembly 3 and a through observation channel 14, and the observation channel 14 is used to communicate with the sulfur seal; the second plate body 12 is nested in the observation channel 14; the displacement assembly 13 is rotatably connected to the first plate body 11, and the displacement assembly 13 is slidably connected to the second plate body 12, and the second plate body 12 can slide along the axial direction of the observation channel 14;

[0048] The operating rod 2 can be connected to the second plate body 12 , and the operating rod 2 can abut against the supporting assembly 3 . The operating rod 2 is used to lift the second plate body 12 and push the second plate body 12 away from the observation channel 14 .

[0049] The displacement assembly 13 connects the first plate 11 and the second plate 12. The displacement assembly 13 rotates relative to the first plate 11, so that the displacement assembly 13 can drive the second plate 12 away from the observation channel 14, thereby opening the observation channel 14, so that the operator can observe the physical state of liquid sulfur through the observation channel 14; when the sulfur seal is closed, the second plate 12 is nested in the observation channel 14, so as to block the observation channel 14 to prevent leakage; when the sulfur seal needs to be opened, the second plate 12 slides along the axial direction of the observation channel 14 and escapes from the observation channel 14, and the second plate 1 is driven by the displacement assembly 13. 2 is moved to make the second plate body 12 away from the observation channel 14; the support assembly 3 arranged on the first plate body 11 provides a fulcrum for the operating rod 2. When the operating rod 2 is connected to the second plate body 12, the operator can use the lever principle to make the second plate body 12 more easily escape from the observation channel 14; the second plate body 12 is pushed by the operating rod 2 to make the second plate body 12 away from the observation channel 14; the second plate body 12 and the first plate body 11 can be separated more easily, reducing the difficulty of operation; the operating rod 2 lengthens the operating distance of the second plate body 12, so that the operator can open the observation channel 14 away from the position of the sulfur seal, ensuring the safety of the operator.

[0050] In one or several embodiments, a lifting member 4 is provided on the second plate body 12. The lifting member 4 is composed of a cylindrical structural member and a circular plate. The middle part of the circular plate is connected to the end of the cylindrical structural member, one end of the cylindrical structural member is connected to the second plate body 12, and the other end is connected to the plate-like structural member, and the diameter of the circular plate is larger than the diameter of the cylindrical structural member, so that the operating rod can lift the second plate body 12; a clamping portion 6 is provided at the end of the operating rod 2, and the clamping portion 6 is arc-shaped. The arc-shaped surface of the clamping portion 6 is adapted to the cylindrical structural member, the top of the clamping portion 6 can abut against the circular plate, and the arc-shaped surface of the arc-shaped plate can abut against the side of the cylindrical structural member; when the second plate body 12 is operated by the operating rod 2, the lever principle is used to apply force to the clamping portion 6, so that the second plate body 12 can be disengaged from the observation channel 14; a thrust is applied to the cylindrical structural member by the clamping portion 6, so that the operating rod 2 can push the second plate body 12 for translation.

[0051] In one or several embodiments, the displacement assembly 13 is a cross bar 133, a first vertical bar 131 is provided at one end of the cross bar 133, and a second vertical bar 132 is provided at the other end. The cross bar 133, the first vertical bar 131 and the second vertical bar 132 constitute a U-shaped structure. The first vertical bar 131 is rotatably connected to the first plate body 11, and the second vertical bar 132 is provided with a slide groove, which is slidably connected to a slide rod 121 provided in the middle of the second plate body 12 through the slide groove. The slide groove is opened on the end face of the second vertical bar 132, and the slide rod 121 is retracted into the slide groove of the second rod body, so that the second plate body 12 can be moved away from the observation channel 14 along the axial direction of the slide rod 121.

[0052] In one or several embodiments, a spring member 5 is provided on the second plate body 12, and the slide rod 121 passes through the spring member 5, so that one end of the spring member 5 is connected to the end of the second vertical rod 132, and the other end is connected to the second plate body 12; when the observation channel 14 is closed, the spring member 5 pushes the second plate body 12, so that the second plate body 12 and the first plate body 11 are well sealed to avoid leakage.

[0053] In one or several embodiments, a first limiting portion 15 is provided on the first plate body 11. The first limiting portion 15 is an annular step located in the inner ring of the observation channel 14. The bottom of the second limiting plate abuts against the annular step to ensure that the second plate body 12 can seal the observation channel 14 at an appropriate position.

[0054] In one or several embodiments, an outer edge is set on the top of the second plate body 12 as a second limiting portion 16. When the second plate body 12 is nested in the observation channel 14 and the second plate body 12 is embedded in the observation channel 14, the outer edge abuts against the first plate body 11 to limit the embedding depth of the second plate body 12, thereby ensuring that the second plate body 12 can seal the observation channel 14 at an appropriate position.

[0055] In one or several embodiments, the support assembly 3 is composed of a support column 31 and a clamping piece 32, one end of the support column 31 is connected to the first plate body 11, and the other end is rotatably connected to the clamping piece 32, and the clamping piece includes a U-shaped groove body, and the bottom of the U-shaped groove body is rotatably connected to the support column 31; the U-shaped groove body can limit the operating rod 2 to prevent the operating rod 2 from detaching from the support assembly 3, and the operating rod 2 can slide axially in the U-shaped groove body, which is convenient for moving the operating rod 2 to push the second plate body 12 to move; through the rotatable connection between the U-shaped groove body and the support column 31, the rotation of the clamping piece 32 can offset the angle difference caused by the displacement of the second plate body 12, so that the operating rod 2 is limited in the radial direction, and the operating rod 2 can slide axially, so that the second plate body 12 can be pushed smoothly.

[0056] In one or more embodiments, an annular rubber ring is provided on the second plate body 12 as a sealing member, and the annular rubber ring abuts against the first plate body 11 to achieve sealing of the observation channel 14 .

[0057] In one or more embodiments, the first plate body 11 and the second plate body 12 are both circular plates, and the observation channel 14 is a circular channel.

[0058] A sealing device for a sulfur seal of the present embodiment is provided. A first plate body 11 with a suitable diameter d is selected according to the size of the sulfur seal. The first plate body 11 is fixed to the sulfur seal observation port as the base of the sulfur seal observation port cover plate 1. The observation channel 14 is a circular channel penetrating the first plate body 11, and the diameter of the observation channel 14 is d-4 cm. The second plate body 12 is a thin circular plate with a diameter of d-5 cm. An outer edge is provided on the second plate body 12 so that the diameter of the outer edge is d-3 cm. A suitable sealing gasket is selected and provided on the second plate body 12. The second plate body 12 serves as a movable end to facilitate the switch operation and reduce the risk of the operation process.

[0059] In the sealing device for sulfur sealing of the present embodiment, the cover plate 1 is composed of a first plate body 11 and a second plate body 12. By operating the second plate body 12 to open the observation channel 14, the entire cover plate 1 is avoided from being operated, the operating difficulty is reduced, and the sealing of the sulfur seal is ensured; the operating distance is lengthened by the operating rod 2, and the operating safety of the operator is ensured.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing device for sulfur sealing, characterized in that: It comprises a cover plate (1) and an operating rod (2); The cover plate (1) comprises a first plate body (11), a second plate body (12) and a displacement assembly (13). The first plate body (11) is provided with a support assembly (3) and a through observation channel (14), wherein the observation channel (14) is used to communicate with the sulfur seal; the second plate body (12) is nested in the observation channel (14); the displacement assembly (13) is rotatably connected to the first plate body (11), the displacement assembly (13) is slidably connected to the second plate body (12), and the second plate body (12) is capable of sliding along the axial direction of the observation channel (14); The operating rod (2) can be connected to the second plate body (12), the operating rod (2) can abut against the support assembly (3), and the operating rod (2) is used to lift the second plate body (12) and push the second plate body (12) away from the observation channel (14).

2. A sealing device for sulfur sealing according to claim 1, characterized in that: The second plate body (12) is provided with a lifting member (4), and the lifting member (4) and the operating rod (2) can be clamped and connected.

3. A sealing device for sulfur sealing according to claim 2, characterized in that: A clamping portion (6) is provided at the end of the operating rod (2), and the clamping portion (6) and the lifting member (4) can be connected in a limiting manner.

4. A sealing device for sulfur sealing according to claim 1, characterized in that: The displacement assembly (13) comprises a cross bar (133), a first vertical bar (131) being arranged at one end of the cross bar (133) and a second vertical bar (132) being arranged at the other end, the first vertical bar (131) being rotationally connected to the first plate body (11), and the second vertical bar (132) being axially slidably connected to the second plate body (12).

5. A sealing device for sulfur sealing according to claim 4, characterized in that: The second plate body (12) is provided with a sliding rod (121), the second vertical rod (132) is provided with a sliding groove, and the sliding rod (121) is slidably connected to the sliding groove.

6. A sealing device for sulfur sealing according to claim 1, characterized in that: The second plate body (12) is provided with a spring component (5), one end of the spring component (5) is connected to the second plate body (12), and the other end of the spring component (5) is connected to the displacement component (13).

7. A sealing device for sulfur sealing according to claim 1, characterized in that: The first plate body (11) is provided with a first limiting portion (15) located in the observation channel (14), and the first limiting portion (15) is used to abut against the second plate body (12).

8. A sealing device for sulfur sealing according to claim 1, characterized in that: The second plate body (12) is provided with a second limiting portion (16), and the second limiting portion (16) is used to abut against the first plate body (11).

9. A sealing device for sulfur sealing according to claim 1, characterized in that: The support assembly (3) comprises a support column (31) and a clamping member (32); one end of the support column (31) is connected to the first plate body (11), and the other end is rotatably connected to the clamping member (32); the clamping member (32) is used to clamp and limit the operating rod (2); and the operating rod (2) is capable of axial sliding.

10. A sealing device for sulfur sealing according to claim 9, characterized in that: The clamping member (32) comprises a U-shaped groove body, and the bottom of the U-shaped groove body is rotatably connected to the support column (31).

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