Chlorinated paraffin transfer device

By using dynamic sealing components and inert gas filling in the chlorinated paraffin transfer device, the problem of sealing ring failure caused by chemical corrosion was solved, achieving efficient sealing and safe transfer.

CN223935376UActive Publication Date: 2026-02-24衡阳市盛亚化工科技有限公司
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Patent Information

Application Number
CN202520468752.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-24
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing chlorinated paraffin transfer devices suffer from sealing rings that harden and become brittle due to chemical corrosion, forming microcracks and causing seal failure, resulting in media leakage.

Method used

A dynamic sealing assembly is employed, including a sealing ring, inert gas filling, a check valve, and a pressure relief valve, to adjust the sealing pressure in real time. This, combined with the chemical stability and low coefficient of thermal expansion of the inert gas, prevents seal failure.

Benefits of technology

It significantly improves sealing during transportation, reduces the risk of leakage, extends the life of seals, and ensures the safe transportation of chlorinated paraffin.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chlorinated paraffin transfer, in particular to a chlorinated paraffin transfer device. The device comprises a transfer vehicle body, a transfer tank is fixedly connected to the middle of the lower top face of the transfer vehicle body, a sealing cover covers the top of the transfer tank, and a dynamic sealing assembly is arranged outside the transfer tank and the sealing cover and comprises a sealing ring covering the joint of the transfer tank and the sealing cover. The sealing ring is filled with inert gas and provides adjustable sealing protection, the dynamic sealing assembly is arranged outside the transfer tank and the sealing cover, the sealing performance of the transfer tank and the sealing cover in the transfer process is remarkably improved, the inert gas is filled in the sealing ring, and the sealing performance is improved. By combining the synergistic effect of the breather pipe with the one-way valve and the exhaust pipe with the pressure release valve, the sealing pressure can be adjusted in real time, the internal and external pressure difference of the tank body can be balanced, the problem of sealing failure caused by chemical erosion is effectively inhibited, and then the problem of leakage in the device transfer process is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of chlorinated paraffin transfer technology, specifically, to a chlorinated paraffin transfer device. Background Technology

[0002] A chlorinated paraffin transfer unit is a specialized device for the safe handling of chlorinated paraffin. It is typically made of corrosion-resistant materials, such as stainless steel, because chlorinated paraffin is somewhat corrosive. This unit mainly consists of storage tanks and sealed interfaces to ensure that there is no leakage or environmental contamination during handling.

[0003] Existing chlorinated paraffin transfer devices mostly use mechanical seals, such as sealing rings, for sealing and preservation. However, the chlorine and other impurities in chlorinated paraffin, such as free chlorine, hydrogen chloride, or trace acidic substances, can undergo complex chemical reactions with the sealing material, causing the sealing ring to gradually fail. After long-term use, the sealing ring gradually hardens and becomes brittle due to chemical corrosion, losing its elasticity. Microcracks form at stress concentration points, such as the sealing lip or the edge of the mounting groove. These cracks continue to expand under dynamic operating conditions, eventually causing the sealing ring to completely crack or undergo permanent deformation, making it unable to effectively fit the sealing surface, thus causing media leakage. In view of this, we propose a chlorinated paraffin transfer device. Utility Model Content

[0004] The purpose of this invention is to provide a chlorinated paraffin transfer device to solve the problem that the sealing ring gradually hardens and becomes brittle due to chemical corrosion and loses its elasticity, and microcracks form in stress concentration areas such as the sealing lip or the edge of the mounting groove. These cracks continue to expand under dynamic working conditions, eventually causing the sealing ring to completely crack or undergo permanent deformation, making it unable to effectively fit the sealing surface, thus causing media leakage.

[0005] To achieve the above objectives, a chlorinated paraffin transfer device is provided, comprising a transfer vehicle body, a transfer tank fixedly connected to the center of the lower top surface of the transfer vehicle body, a sealing cover on the top of the transfer tank, a dynamic sealing assembly provided outside the transfer tank and the sealing cover, the dynamic sealing assembly including a sealing ring covering the junction of the transfer tank and the sealing cover, a vent pipe with a one-way valve and an exhaust pipe with a pressure relief valve respectively inserted into the front and rear sides of the sealing ring, pressure gauges installed on both the sealing ring and the sealing cover, and an L-shaped plate provided above the sealing cover;

[0006] The sealing ring is pre-filled with inert gas to create sealing pressure.

[0007] As a further improvement to this technical solution, a handle is provided on one outer wall of the transfer vehicle body, and wheels are provided at the bottom of the transfer vehicle body.

[0008] As a further improvement to this technical solution, a slot adapted to the bottom end of an L-shaped plate is fixedly connected to one side of the lower bottom surface of the transfer vehicle body, and the top end of one side of the L-shaped plate abuts against the upper end of one side of the transfer vehicle body.

[0009] As a further improvement to this technical solution, a mounting frame is fixedly connected to the upper bottom surface of the L-shaped plate, and the sealing ring is located inside the mounting frame and is in contact with the inner wall of the mounting frame.

[0010] As a further improvement to this technical solution, both the outer walls of the transfer tank and the sealing cap are provided with anti-slip textures.

[0011] As a further improvement to this technical solution, a V-shaped sealing ring with multiple springs is provided on the top surface of the transfer tank.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] In this chlorinated paraffin transfer device, the sealing performance of the transfer tank and the sealing cover is significantly improved by setting a dynamic sealing component on the outside of the transfer tank and the sealing cover. The sealing ring is filled with inert gas. Combined with the vent pipe with a one-way valve and the exhaust pipe with a pressure relief valve, the sealing pressure can be adjusted in real time and the pressure difference between the inside and outside of the tank can be balanced. This effectively suppresses the sealing failure caused by chemical corrosion and reduces the occurrence of leakage problems during the transfer of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is an exploded view of the dynamic sealing component of this utility model;

[0016] Figure 3 This is an explosion diagram of the transfer tank of this utility model.

[0017] The meanings of the labels in the diagram are as follows:

[0018] 1. Transfer vehicle body; 11. L-shaped plate; 12. Mounting frame; 13. Slot; 2. Dynamic sealing assembly; 21. Sealing ring; 22. Vent pipe; 23. Pressure gauge; 24. Exhaust pipe; 3. Transfer tank; 31. Sealing cover; 32. V-shaped sealing ring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] Please see Figures 1-3 As shown, the purpose of this embodiment is to provide a chlorinated paraffin transfer device, including a transfer vehicle body 1. A transfer tank 3 is fixedly connected to the middle of the lower top surface of the transfer vehicle body 1. A sealing cover 31 is provided on the top of the transfer tank 3. A dynamic sealing component 2 is provided outside the transfer tank 3 and the sealing cover 31. The dynamic sealing component 2 includes a sealing ring 21 covering the junction of the transfer tank 3 and the sealing cover 31. The sealing ring 21 is filled with inert gas and provides adjustable sealing protection. A vent pipe 22 with a one-way valve and an exhaust pipe 24 with a pressure relief valve are respectively inserted into the front and rear sides of the sealing ring 21. Pressure gauges 23 are installed on both the sealing ring 21 and the sealing cover 31. An L-shaped plate 11 is provided above the sealing cover 31. By setting the L-shaped plate 11, the sealing cover 31 is completely covered on the transfer tank 3, thereby ensuring the subsequent sealing work and improving the rationality of the device structure.

[0023] Please see Figure 1 As shown, a handle is provided on one outer wall of the transfer vehicle body 1, and wheels are provided at the bottom of the transfer vehicle body 1. The user can push the transfer vehicle body 1 to move by using the handle and wheels.

[0024] Please see Figure 1 As shown, a slot 13 that matches the bottom end of an L-shaped plate 11 is fixedly connected to the bottom surface of one side of the transport vehicle body 1. The top end of one side of the L-shaped plate 11 abuts against the top end of one side of the transport vehicle body 1. By setting the slot 13, the L-shaped plate 11 can be installed more accurately in the slot 13, thereby improving the subsequent sealing effect.

[0025] Please see Figures 1-2 As shown, an installation frame 12 is fixedly connected to the upper bottom surface of the L-shaped plate 11. The sealing ring 21 is located inside the installation frame 12 and is in contact with the inner wall of the installation frame 12. By setting the installation frame 12, the sealing ring 21 is limited and protected, thus extending the service life of the sealing ring 21.

[0026] Please see Figure 3 As shown, both the outer walls of the transfer tank 3 and the sealing cover 31 are provided with anti-slip textures to reduce the lateral displacement of the sealing cover 31 and reduce the occurrence of incomplete sealing problems.

[0027] Please see Figure 3 As shown, a V-shaped sealing ring 32 with multiple springs is provided on the top surface of the transfer tank 3. The initial sealing is maintained by the V-shaped sealing ring 32. When the seal is slightly worn due to chemical corrosion, the springs continuously apply axial pressure to compensate for the sealing gap.

[0028] The working principle of this solution is as follows: The user opens the one-way valve equipped with the vent pipe 22 to ensure that the inert gas can only be injected through the vent pipe 22 in one direction, preventing the intrusion of external contaminants. The sealing ring 21 is pre-filled with inert gas to form a sealing pressure. Due to its highly stable chemical properties, the inert gas will not react with chlorinated paraffin or sealing materials, and it can also prevent the intrusion of oxygen and moisture, thereby significantly reducing the risk of corrosion of the sealing ring 21. In addition, the inert gas has a low coefficient of thermal expansion, and the pressure changes slowly when the temperature fluctuates, which helps to maintain the stability of the sealing system and avoids sealing failure caused by thermal expansion and contraction. The user injects chlorinated paraffin into the transfer tank 3 and seals the ring. When the cover 31 is closed with the transfer tank 3, the sealing ring 21 expands with the introduction of gas and squeezes the joint between the transfer tank 3 and the sealing cover 31 to form a dynamic pressure barrier. The pressure gauge 23 monitors the internal pressure of the sealing ring 21 and the transfer tank 3 in real time. The pressure gauge 23 converts the gas pressure into a digital signal through its own components to intuitively display the current pressure status. The exhaust pipe 24 requires the user to switch the pressure relief valve according to the pressure change inside the transfer tank 3 to release excess gas to balance the internal and external pressure difference and prevent sealing failure caused by pressure fluctuations. The operator can adjust the gas input through the vent pipe 22 to maintain the best sealing state and transfer chlorinated paraffin by pushing the transfer vehicle 1.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A chlorinated paraffin transfer device, characterized in that: The system includes a transfer vehicle body (1), a transfer tank (3) is fixedly connected to the middle of the lower top surface of the transfer vehicle body (1), a sealing cover (31) is provided on the top of the transfer tank (3), a dynamic sealing assembly (2) is provided on the outside of the transfer tank (3) and the sealing cover (31), the dynamic sealing assembly (2) includes a sealing ring (21) covering the junction of the transfer tank (3) and the sealing cover (31), a vent pipe (22) with a one-way valve and an exhaust pipe (24) with a pressure relief valve are respectively inserted on the front and rear sides of the sealing ring (21), a pressure gauge (23) is installed on both the sealing ring (21) and the sealing cover (31), and an L-shaped plate (11) is provided above the sealing cover (31). The sealing ring (21) is pre-filled with inert gas to form a sealing pressure.

2. The chlorinated paraffin transfer device according to claim 1, characterized in that: A handle is provided on one side of the outer wall of the transport vehicle (1), and wheels are provided at the bottom of the transport vehicle (1).

3. The chlorinated paraffin transfer device according to claim 1, characterized in that: The bottom surface of one side of the transport vehicle body (1) is fixedly connected to a slot (13) that is compatible with the bottom end of the L-shaped plate (11), and the top end of one side of the L-shaped plate (11) abuts against the top end of one side of the transport vehicle body (1).

4. The chlorinated paraffin transfer device according to claim 1, characterized in that: The upper bottom surface of the L-shaped plate (11) is fixedly connected to the mounting frame (12), and the sealing ring (21) is located inside the mounting frame (12), and the sealing ring (21) is in contact with the inner wall of the mounting frame (12).

5. The chlorinated paraffin transfer device according to claim 1, characterized in that: The outer walls of both the transfer tank (3) and the sealing cap (31) are provided with anti-slip textures.

6. The chlorinated paraffin transfer device according to claim 1, characterized in that: The top surface of the transfer tank (3) is provided with a V-shaped sealing ring (32) with multiple springs.