Petrochemical raw material tank area water-cutting oil-gas-volatilization-preventing sealing cover

Abstract

The utility model belongs to the technical field of sealing covers, and discloses a petrochemical raw material tank area water-cutting oil-gas-volatilization-preventing sealing cover which comprises a fixing frame, supporting plates are fixedly installed on the inner walls of the left side and the right side of the fixing frame, and pulling handles are fixedly installed on the left side and the right side of the fixing frame. A first motor can be controlled to drive a second screw rod to rotate, so that the second screw rod can drive a sliding sealing cover to lift and slide through screw-thread fit after rotating, the sliding sealing cover can be separated from the tank body, a worker can conveniently carry out feeding, and the worker can observe the interior of the tank body through a glass window above the sliding sealing cover; the second motor can drive the driving shaft and the cleaning wiping cloth to wipe the glass window, fogging above the glass window is prevented, and the sliding sealing cover and the tank body can be conveniently and tightly connected through the sealing rubber mat.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing covers, in particular to a water draining and oil and gas volatilization preventing sealing cover for a petrochemical raw material tank area. Background Art

[0002] In order to process raw materials into finished products of certain specifications, chemical tanks need to go through a series of chemical processes such as raw material pretreatment, chemical reactions, and separation and purification of reaction products, and the equipment used to implement these processes. The production process of chemical products depends on the treatment of chemical tanks. Chemical storage tanks, chemical storage vessels, the production process of chemical tanks includes tank making, dot netting, and rotational molding. Among them are petrochemical tanks, and a sealing cover is fixedly installed at the opening of the top tank body.

[0003] Publication No. CN 221190028 U discloses a water draining and oil and gas volatilization preventing sealing cover for a petrochemical raw material tank area, which includes a cover body. A threaded connection ring is fixedly connected to the bottom wall of the cover body and located outside the opening of the cross groove. A rubber sealing gasket is fixedly connected to the bottom wall of the cover body and located outside the threaded connection ring. An auxiliary rubber sealing ring is fixedly connected to the inner side wall of the opening below the threaded connection ring. The utility model has an integral internal and external double-sealing structure, that is, a cover body of a sealing cover is provided.

[0004] When it is in use, the existing device requires manual operation by staff throughout the process, resulting in low work efficiency. Moreover, during the use process, feeding is inconvenient, and it is difficult to clean the water mist on the upper glass window. Therefore, we propose a water draining and oil and gas volatilization preventing sealing cover for a petrochemical raw material tank area. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a water draining and oil and gas volatilization preventing sealing cover for a petrochemical raw material tank area, which solves the existing problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A water draining and oil and gas volatilization preventing sealing cover for a petrochemical raw material tank area includes a fixing frame. Support plates are fixedly installed on the inner walls of the left and right sides of the fixing frame. Pulling handles are fixedly installed on the left and right sides of the fixing frame. First lead screws are threadedly installed on the left and right sides of the fixing frame. A clamping fixing plate is rotatably installed on the outer side of one end of each first lead screw. A sealing assembly is arranged above the fixing frame and the support plates. A fixing assembly is arranged above the fixing frame, the first lead screws, and the clamping fixing plates.

[0008] As a further improvement of the above solution, the sealing assembly includes a first motor, a second lead screw, a limiting rod, a sliding sealing cover, a sealing gasket and a wiping mechanism. The first motor is fixedly installed on the inner wall of the top of the fixed frame. The second lead screw is fixedly installed at the output end of the first motor. The limiting rod is fixedly installed on the inner wall of the top of the fixed frame and the top of the support plate. The sliding sealing cover is threadedly installed on the outside of the second lead screw. The sliding sealing cover is slidably installed on the outside of the limiting rod. The sealing gasket is fixedly installed at the bottom of the sliding sealing cover.

[0009] As a further improvement of the above solution, the wiping mechanism includes a glass window, a second motor, a drive shaft and a cleaning wiping cloth. The glass window is fixedly installed on the top of the sliding sealing cover. The second motor is fixedly installed on the top of the sliding sealing cover. The drive shaft is fixedly installed at the output end of the second motor. The cleaning wiping cloth is fixedly installed on the outside of the drive shaft.

[0010] As a further improvement of the above solution, the fixing assembly includes a sliding rod, a limiting block and a knob. The sliding rod is slidably installed on the left and right sides of the fixed frame. One end of the sliding rod is fixedly installed on the front and rear sides of one side of the clamping fixing plate. The limiting block is fixedly installed on the outside of one end of the sliding rod. The knob is fixedly installed on the outside of one end of the first lead screw.

[0011] As a further improvement of the above solution, the shape of the clamping fixing plate is arc-shaped, and an anti-slip pad is provided on one side of the clamping fixing plate.

[0012] By adopting the above technical solution, the clamping fixing plate can be in contact with the circular tank body, and the contact area is relatively large, so that the device can be fixed above the tank body.

[0013] As a further improvement of the above solution, a threaded hole and a limiting groove are formed in the top of the sliding sealing cover. The second lead screw is engaged with the threaded hole, and the outer diameter of the limiting rod is the same as the inner diameter of the limiting groove.

[0014] By adopting the above technical solution, after the second lead screw rotates, it can drive the sliding sealing cover to lift through the threaded engagement, so that the device does not need to be manually operated by the staff during the process of adding materials.

[0015] As a further improvement of the above solution, a rotating groove is formed in the top of the sliding sealing cover. The drive shaft is rotatably installed inside the rotating groove, and the cleaning wiping cloth is made of soft absorbent cloth.

[0016] By adopting the above technical solution, the rotating groove facilitates the second motor to drive the drive shaft and the cleaning wiping cloth to move, so that the cleaning wiping cloth can wipe and clean the bottom of the sealing gasket.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] (1) For a water drainage and oil and gas volatilization prevention sealing cover of a petrochemical raw material tank area of the present utility model, through the provided sealing assembly, when the device needs to be fed, the first motor can be controlled to drive the second lead screw to rotate. After the second lead screw rotates, it can drive the sliding sealing cover to move up and down through thread cooperation, so that the sliding sealing cover can be separated from the tank body, facilitating the staff to feed. The staff can observe the inside of the tank body through the glass window above the sliding sealing cover. The second motor can drive the drive shaft and the cleaning wiping cloth to wipe the glass window to prevent fogging above the glass window. The sealing gasket facilitates the tight connection between the sliding sealing cover and the tank body.

[0019] (2) For a water drainage and oil and gas volatilization prevention sealing cover of a petrochemical raw material tank area of the present utility model, through the provided fixing assembly, before the device is used, the fixing frame can be placed above the tank body, and the control knob can be rotated to drive the first lead screw to rotate. After the first lead screw rotates, it can drive the clamping fixing plate to move through thread cooperation, so that the clamping fixing plate contacts the tank body, thereby fixing the device above the tank body and making the operation of the device more convenient and fast. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the present utility model;

[0022] Figure 2 It is a partial three-dimensional structure schematic diagram of the present utility model;

[0023] Figure 3 It is a partial three-dimensional structure schematic diagram of the present utility model;

[0024] Figure 4 It is an exploded partial three-dimensional structure schematic diagram of the present utility model.

[0025] In the figure: 1, fixing frame; 2, support plate; 3, pulling handle; 4, first lead screw; 5, clamping fixing plate; 6, first motor; 7, second lead screw; 8, limiting rod; 9, sliding sealing cover; 10, sealing gasket; 11, glass window; 12, second motor; 13, drive shaft; 14, cleaning wiping cloth; 15, sliding rod; 16, limiting block; 17, knob. Detailed Embodiments

[0026] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present utility model.

[0027] Reference Figures 1-4 , a water-cutting and oil-gas volatilization prevention sealing cover for a petrochemical raw material tank area, includes a fixing frame 1. Support plates 2 are fixedly installed on the inner walls of the left and right sides of the fixing frame 1. Pulling handles 3 are fixedly installed on the left and right sides of the fixing frame 1. First lead screws 4 are threadedly installed on the left and right sides of the fixing frame 1. A clamping fixing plate 5 is rotatably installed on the outer side of one end of the first lead screw 4. A sealing assembly is arranged above the fixing frame 1 and the support plates 2, and a fixing assembly is arranged above the fixing frame 1, the first lead screw 4 and the clamping fixing plate 5.

[0028] In this embodiment, the sealing assembly includes a first motor 6, a second lead screw 7, a limiting rod 8, a sliding sealing cover 9, a sealing rubber pad 10 and a wiping mechanism. The first motor 6 is fixedly installed on the inner wall of the top of the fixing frame 1. The second lead screw 7 is fixedly installed at the output end of the first motor 6. The limiting rod 8 is fixedly installed on the inner wall of the top of the fixing frame 1 and the top of the support plate 2. The sliding sealing cover 9 is threadedly installed on the outer side of the second lead screw 7. The sliding sealing cover 9 is slidably installed on the outer side of the limiting rod 8. The sealing rubber pad 10 is fixedly installed at the bottom of the sliding sealing cover 9.

[0029] In this embodiment, the wiping mechanism includes a glass window 11, a second motor 12, a driving shaft 13 and a cleaning wiping cloth 14. The glass window 11 is fixedly installed on the top of the sliding sealing cover 9. The second motor 12 is fixedly installed on the top of the sliding sealing cover 9. The driving shaft 13 is fixedly installed at the output end of the second motor 12. The cleaning wiping cloth 14 is fixedly installed on the outer side of the driving shaft 13.

[0030] In this embodiment, the fixing assembly includes a sliding rod 15, a limiting block 16 and a knob 17. The sliding rod 15 is slidably installed on the left and right sides of the fixing frame 1. One end of the sliding rod 15 is fixedly installed on the front and rear sides of one side of the clamping fixing plate 5. The limiting block 16 is fixedly installed on the outer side of one end of the sliding rod 15. The knob 17 is fixedly installed on the outer side of one end of the first lead screw 4.

[0031] In this embodiment, the shape of the clamping fixing plate 5 is arc-shaped, and an anti-slip pad is arranged on one side of the clamping fixing plate 5.

[0032] In this embodiment, a threaded hole and a limiting groove are formed in the top of the sliding sealing cover 9. The second lead screw 7 is engaged with the threaded hole, and the outer diameter of the limiting rod 8 is the same as the inner diameter of the limiting groove.

[0033] In this embodiment, a rotating groove is formed at the top of the sliding sealing cover 9, and the driving shaft 13 is rotatably installed inside the rotating groove. The cleaning wiping cloth 14 is made of soft water-absorbing cloth.

[0034] The implementation principle of a sealing cover for preventing oil and gas volatilization during water drainage in a petrochemical raw material tank area in the embodiment of the present application is as follows: When the device needs to be fed, the first motor 6 can be controlled to drive the second lead screw 7 to rotate. After the second lead screw 7 rotates, it can drive the sliding sealing cover 9 to move up and down through screw cooperation, so that the sliding sealing cover 9 can be separated from the tank body, facilitating the staff to feed. The staff can observe the inside of the tank body through the glass window 11 above the sliding sealing cover 9. The second motor 12 can drive the driving shaft 13 and the cleaning wiping cloth 14 to wipe the glass window 11 to prevent fogging above the glass window 11. The sealing gasket 10 facilitates the tight connection between the sliding sealing cover 9 and the tank body. Before the device is used, the fixing frame 1 can be placed above the tank body, and the control knob 17 is controlled to drive the first lead screw 4 to rotate. After the first lead screw 4 rotates, it can drive the clamping fixing plate 5 to move through screw cooperation, so that the clamping fixing plate 5 contacts the tank body, thereby fixing the device above the tank body and making the operation of the device more convenient and fast.

[0035] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above has introduced in detail a sealing cover for preventing oil and gas volatilization during water drainage in a petrochemical raw material tank area provided by the present invention. Specific embodiments are used herein to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area, characterized in that: include: A fixing frame (1), support plates (2) are fixedly mounted on the inner walls on the left and right sides of the fixing frame (1), pulling handles (3) are fixedly mounted on the left and right sides of the fixing frame (1), first screw rods (4) are threadedly mounted on the left and right sides of the fixing frame (1), a clamping fixing plate (5) is rotatably mounted on the outer side of one end of the first screw rod (4), a sealing assembly is arranged above the fixing frame (1) and the support plate (2), and a fixing assembly is arranged above the fixing frame (1), the first screw rod (4) and the clamping fixing plate (5).

2. A sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area according to claim 1, characterized in that: The sealing assembly comprises a first motor (6), a second screw rod (7), a limiting rod (8), a sliding sealing cover (9), a sealing rubber pad (10) and a wiping mechanism, wherein the first motor (6) is fixedly mounted on the top inner wall of a fixing frame (1), the second screw rod (7) is fixedly mounted on the output end of the first motor (6), the limiting rod (8) is fixedly mounted on the top inner wall of the fixing frame (1) and the top of the supporting plate (2), the sliding sealing cover (9) is threadedly mounted on the outer side of the second screw rod (7), the sliding sealing cover (9) is slidably mounted on the outer side of the limiting rod (8), and the sealing rubber pad (10) is fixedly mounted on the bottom of the sliding sealing cover (9).

3. A sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area according to claim 2, characterized in that: The wiping mechanism comprises a glass window (11), a second motor (12), a drive shaft (13) and a cleaning wiping cloth (14); the glass window (11) is fixedly mounted on the top of a sliding sealing cover (9); the second motor (12) is fixedly mounted on the top of the sliding sealing cover (9); the drive shaft (13) is fixedly mounted on the output end of the second motor (12); and the cleaning wiping cloth (14) is fixedly mounted on the outside of the drive shaft (13).

4. A sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area according to claim 1, characterized in that: The fixing assembly comprises a slide bar (15), a limit block (16) and a knob (17); the slide bar (15) is slidably mounted on the left and right sides of the fixing frame (1); one end of the slide bar (15) is fixedly mounted on the front and rear sides of one side of the clamping fixing plate (5); the limit block (16) is fixedly mounted on the outside of one end of the slide bar (15); and the knob (17) is fixedly mounted on the outside of one end of the first screw rod (4).

5. The sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area according to claim 1 is characterized in that: The clamping and fixing plate (5) is in the shape of an arc, and an anti-slip pad is provided on one side of the clamping and fixing plate (5).

6. A sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area according to claim 2, characterized in that: A threaded hole and a limiting groove are provided on the top of the sliding sealing cover (9), the second screw rod (7) is meshed with the threaded hole, and the outer diameter of the limiting rod (8) is the same as the inner diameter of the limiting groove.

7. The sealing cover for water-cutting and oil-gas volatilization prevention in a petrochemical raw material tank area according to claim 2 is characterized in that: A rotation groove is provided on the top of the sliding sealing cover (9), and the driving shaft (13) is rotatably mounted on the inner side of the rotation groove. The cleaning wiping cloth (14) is made of soft absorbent cloth.

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