Buffer device for adding catalyst auxiliary agent

By installing a connection protection device and a buffer device in the catalyst additive addition device, the problem of convenient repair and cleaning in case of leakage is solved, the stability and service life of the device are improved, and the protection of the catalyst is enhanced.

CN223754958UActive Publication Date: 2026-01-02LIHUAYI LIJIN REFINING & CHEMICAL CO LTD
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Patent Information

Application Number
CN202520411803.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-02
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing catalyst additive addition devices cannot be effectively cleaned and maintained when faced with leaks, and the position of the protective casing cannot be adjusted, affecting the performance.

Method used

A buffer system for catalyst additives, including a connecting protective device and a buffer device, was designed. By setting a threaded mating kit and a surface protective plate to be inserted into the inner wall of the limiting ring plate, it slides to contact the positioning plate to close the interface. A buffer pad and a spring are set to buffer the impact force of liquid ingress and ensure the stability of the device.

Benefits of technology

It enables convenient repair and cleaning in case of leakage, reduces noise, improves the service life and stability of the device, and enhances the protection of the catalyst.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223754958U_ABST
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Abstract

The utility model relates to the technical field of catalyst adding protection, and discloses a buffer device for adding catalyst auxiliaries, which comprises an adding straight-through connecting pipe, a connecting protection device is arranged at the top of the adding straight-through connecting pipe, and an injection pipe fitting is arranged at the top of the connecting protection device. The connection protection device comprises a threaded butt joint sleeve piece, a surface sleeving pipe piece, a surface protection plate piece, a limiting ring plate, a positioning plate and a top end connection ring plate. According to the buffer device for adding the catalyst auxiliary agent, through the arrangement of the connection protection device, a surface protection plate is inserted into the inner wall of a limiting ring plate and then slides downwards, and continuous sliding is stopped until the bottom of a positioning plate makes contact with the top of the limiting ring plate; at the moment, the surface protection plate can exactly cover the connecting position of the threaded butt joint sleeve piece and the surface sleeving pipe piece, the interface can be protected, the noise reduction effect is achieved, when leakage occurs, the surface protection plate needs to be pulled upwards in time to enable the interface to leak out again, and repairing and cleaning are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to catalyst addition protection technical field, concretely is a kind of buffer device for catalyst additive addition. BACKGROUND

[0002] In the oil refining industry, the addition of catalyst additives is a crucial link. Catalyst additives not only help improve the catalytic efficiency in the oil refining process, but also improve the quality and stability of the product. However, in actual operation, the addition process of catalyst additives often faces some technical challenges, which has given rise to the need for a buffer device for catalyst additive addition.

[0003] The prior art discloses a high-pressure buffer system device for producing oil refining catalyst additives, including a connecting strut, a negative pressure pump and a hose joint, the connecting strut is provided with a buffer housing below, and the right side of the buffer housing is attached with a connecting side pipe, the negative pressure pump is installed inside the buffer housing, and the front end face of the buffer housing is provided with a connecting front shaft, the upper end face of the connecting strut is connected with a top connecting pipe, the hose joint is installed above the top connecting pipe, and the upper end face of the hose joint is connected with a buffer hose. The high-pressure buffer system device is installed between the spray tower and the oil refining connecting pipe, can improve the efficiency and quality of the material in the oil refining connecting pipe flowing to the spray tower through the negative pressure principle, and further improve the efficiency and quality in the whole oil refining catalyst production process. The negative pressure pump with negative pressure effect is installed inside the buffer housing to avoid leakage, and the closed front plate is used to maintain the closed state to avoid damage caused by the long-term intrusion of oil dirt and dust into the equipment.

[0004] The above-mentioned buffer device for catalyst additive addition is used to install the negative pressure pump with negative pressure effect inside the buffer housing to avoid leakage, and at the same time, the closed front plate is used to maintain the closed state to avoid damage caused by the long-term intrusion of oil dirt and dust into the equipment, and a protective sleeve is provided. However, the protective sleeve is fixedly arranged on the surface of the negative pressure pump and the hose joint, but the position cannot be adjusted, and it can protect but cannot clean the catalyst in the case of leakage. Only the spilled catalyst solution can be handled, and the effect is not good during use, which needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a buffer device for catalyst additive addition to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a buffer device for catalyst additive addition, including adding straight-through connecting pipe, the top of adding straight-through connecting pipe is provided with connecting protection device, the top of connecting protection device is provided with injection pipe fitting, the surface of injection pipe fitting is provided with buffer device.

[0007] The connecting protection device comprises a threaded butt joint kit, a surface sleeve joint kit, a surface protection plate kit, a limiting ring plate, a positioning plate and a top end connecting ring plate, the threaded butt joint kit is fixedly connected to the top of the added straight-through connecting pipe, the limiting ring plate is fixedly connected to the surface of the surface sleeve joint kit, the surface protection plate kit is inserted into the inner wall of the limiting ring plate, the positioning plate is fixedly connected to the surface of the surface protection plate kit, and the top end connecting ring plate is fixedly connected to the top of the surface protection plate kit.

[0008] Preferably, the buffer device comprises a protective sleeve shell, a side end connecting frame, a connecting thin rod, a bottom end buffer pad, an extension rod, a spring kit, a surface connecting plate kit, a first surface buffer pad and a second surface buffer pad, the connecting thin rod is fixedly connected to the surface of the side end connecting frame, the extension rod is fixedly connected to the surface of the injection pipe kit, the spring kit is fixedly connected to the surface of the extension rod, the surface connecting plate kit is fixedly connected to the surface of the first surface buffer pad, and the first surface buffer pad is connected to the middle end of the surface of the injection pipe kit.

[0009] Preferably, a groove is formed in the top of the bottom end buffer pad, the groove is matched with the bottom of the added straight-through connecting pipe, and the groove is arranged to facilitate the bottom end buffer pad to be attached to the bottom of the added straight-through connecting pipe, so that the bottom end can also be buffered and protected when catalysts flow to both sides after entering the added straight-through connecting pipe, and the service life of the device is increased.

[0010] Preferably, the bottom end buffer pad is fixedly connected to the bottom of the connecting thin rod, and the bottom end buffer pad is slidingly connected to the bottom of the added straight-through connecting pipe.

[0011] Preferably, the top of the spring kit is connected to the bottom of the surface connecting plate kit, and the second surface buffer pad is connected to the top of the surface of the injection pipe kit.

[0012] Preferably, the protective sleeve shell is fixedly connected to the surface bottom of the injection pipe kit, and the side end connecting frame is inserted into the side of the protective sleeve shell.

[0013] Preferably, the surface sleeve joint kit is internally provided with an internal thread, and the surface sleeve joint kit is threadedly connected to the surface of the threaded butt joint kit; the internal thread is arranged to facilitate the installation of the surface sleeve joint kit and the threaded butt joint kit.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The catalyst additive addition buffer device is equipped with a connecting protective device. After the surface protective plate is inserted into the inner wall of the limiting ring plate, it slides downward and continues to slide until the bottom of the positioning plate contacts the top of the limiting ring plate. At this time, the surface protective plate can just cover the connection between the threaded fitting and the surface sleeve fitting, which can protect the interface and reduce noise. In case of leakage, the surface protective plate needs to be pulled upward in time to expose the interface again, which is convenient for repair and cleaning.

[0016] This catalyst additive addition buffer device, by being equipped with a buffer, can utilize the second surface buffer pad and the first surface buffer pad near the liquid inlet end for buffering during liquid inlet. Furthermore, surface connecting plates, springs, and telescopic rods are provided on the surface for vertical buffering. The second and first surface buffer pads alleviate the impact force of liquid inlet at the front and rear ends. Combined with the side connecting frame and connecting rod, the stability of the device can be ensured. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall bottom view of the present invention;

[0018] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0019] Figure 3 This is a schematic diagram of the overall front view of the present invention;

[0020] Figure 4 This utility model Figure 3 Enlarged structural diagram at point B.

[0021] In the diagram: 1. Add a straight connecting pipe; 2. Connecting protective device; 201. Threaded mating kit; 202. Surface sleeve fitting; 203. Surface protective plate; 204. Limiting ring plate; 205. Positioning plate; 206. Top connecting ring plate; 3. Injection fitting; 4. Buffer device; 401. Protective sleeve; 402. Side end connecting frame; 403. Connecting rod; 404. Bottom end buffer pad; 405. Telescopic rod; 406. Spring component; 407. Surface connecting plate; 408. First surface buffer pad; 409. Second surface buffer pad. Detailed Implementation

[0022] 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.

[0023] Referring to Figures 1-4 The utility model provides the following technical scheme:

[0024] A kind of catalyst auxiliary agent adds buffer device, including adding straight-through connecting pipe 1, the top of adding straight-through connecting pipe 1 is provided with connecting protection device 2, the top of connecting protection device 2 is provided with injection pipe fitting 3, the surface of injection pipe fitting 3 is provided with buffer device 4.

[0025] Connecting protection device 2 includes threaded butt joint kit 201, surface sleeve pipe fitting 202, surface protection plate piece 203, limit ring plate 204, positioning plate 205 and top end connecting ring plate 206, threaded butt joint kit 201 is fixedly connected to the top of adding straight-through connecting pipe 1, limit ring plate 204 is fixedly connected to the surface of surface sleeve pipe fitting 202, surface protection plate piece 203 is inserted in the inner wall of limit ring plate 204, positioning plate 205 is fixedly connected to the surface of surface protection plate piece 203, top end connecting ring plate 206 is fixedly connected to the top of surface protection plate piece 203, the inside of surface sleeve pipe fitting 202 is provided with internal thread, surface sleeve pipe fitting 202 is connected to the surface of threaded butt joint kit 201, the setting of internal thread facilitates the installation of surface sleeve pipe fitting 202 and threaded butt joint kit 201.

[0026] Buffer device 4 includes protective sleeve shell 401, side end connecting frame 402, connecting thin rod 403, bottom end buffer pad 404, telescopic rod 405, spring piece 406, surface connecting plate piece 407, first surface buffer pad 408 and second surface buffer pad 409, connecting thin rod 403 is fixedly connected to the surface of side end connecting frame 402, telescopic rod 405 is fixedly connected to the surface of injection pipe fitting 3, spring piece 406 is fixedly connected to the surface of telescopic rod 405, surface connecting plate piece 407 is fixedly connected to the surface of first surface buffer pad 408, first surface buffer pad 408 is connected to the surface middle end of injection pipe fitting 3, recess is set in the top of bottom end buffer pad 404, recess is adapted to the bottom of adding straight-through connecting pipe 1, the setting of recess facilitates that bottom end buffer pad 404 is attached in the bottom of adding straight-through connecting pipe 1, when catalyst is circulated to both sides after entering adding straight-through connecting pipe 1, can also be buffered and protected at the bottom end, increase the service life of device, bottom end buffer pad 404 is fixedly connected to the bottom of connecting thin rod 403, bottom end buffer pad 404 is slidingly connected to the bottom of adding straight-through connecting pipe 1, the top of spring piece 406 is connected to the bottom of surface connecting plate piece 407, second surface buffer pad 409 is connected to the surface top of injection pipe fitting 3, protective sleeve shell 401 is fixedly connected to the surface bottom of injection pipe fitting 3, side end connecting frame 402 is inserted in the side of protective sleeve shell 401.

[0027] In use, the surface sleeve pipe piece 202 is aligned with the threaded butt joint piece 201 and then screwed to the surface of the threaded butt joint piece 201, then the four surface protection plate pieces 203 can be respectively aligned with the grooves inside the surface protection plate pieces 203 and inserted, the four surface protection plate pieces 203 are connected into an integral whole through the top end connecting ring plate 206 arranged at the top, after the surface protection plate pieces 203 are inserted into the inner wall of the limiting ring plate 204, they are slid downward, the sliding is continued until the bottom of the positioning plate 205 contacts the top of the limiting ring plate 204, at this time, the surface protection plate pieces 203 can just cover the connecting part of the threaded butt joint piece 201 and the surface sleeve pipe piece 202, can protect the interface and play a noise reduction role, when leakage occurs, the surface protection plate pieces 203 need to be pulled upward to re-leak the interface, which is convenient for repair and cleaning, the use effect is good, and the buffer device 4 is arranged on the surface of the injection pipe piece 3, when liquid is poured, the second surface buffer pad 409 and the first surface buffer pad 408 close to the liquid inlet end can be used for buffering, and the surface connecting plate piece 407 is arranged on the surface, the spring piece 406 and the telescopic rod 405 arranged in cooperation are used for buffering in the vertical direction, the second surface buffer pad 409 and the first surface buffer pad 408 are mainly used for relieving the impact force of the front and rear liquid inlets, and the side end connecting frame 402 and the connecting thin rod 403 arranged in cooperation can ensure the stability of the device.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A buffer device for catalyst aid addition, comprising an addition straight-through connection pipe (1), characterized in that: The top of the added straight-through connecting pipe (1) is provided with a connecting protection device (2), the top of the connecting protection device (2) is provided with an injection pipe fitting (3), and the surface of the injection pipe fitting (3) is provided with a buffer device (4). The connecting protection device (2) comprises a threaded butt joint sleeve (201), a surface sleeve joint fitting (202), a surface protection plate (203), a limiting ring plate (204), a positioning plate (205) and a top end connecting ring plate (206), the threaded butt joint sleeve (201) is fixedly connected to the top of the added straight-through connecting pipe (1), the limiting ring plate (204) is fixedly connected to the surface of the surface sleeve joint fitting (202), the surface protection plate (203) is inserted into the inner wall of the limiting ring plate (204), the positioning plate (205) is fixedly connected to the surface of the surface protection plate (203), and the top end connecting ring plate (206) is fixedly connected to the top of the surface protection plate (203).

2. A catalyst aid adding buffer device according to claim 1, characterized in that: The buffer device (4) comprises a protective sleeve (401), a side end connecting frame (402), a connecting thin rod (403), a bottom end buffer pad (404), an extension rod (405), a spring piece (406), a surface connecting plate (407), a first surface buffer pad (408) and a second surface buffer pad (409), the connecting thin rod (403) is fixedly connected to the surface of the side end connecting frame (402), the extension rod (405) is fixedly connected to the surface of the injection pipe fitting (3), the spring piece (406) is fixedly connected to the surface of the extension rod (405), the surface connecting plate (407) is fixedly connected to the surface of the first surface buffer pad (408), and the first surface buffer pad (408) is connected to the middle end of the surface of the injection pipe fitting (3).

3. A catalyst aid adding buffer device according to claim 2, characterized in that: The top of the bottom end buffer pad (404) is provided with a groove, and the groove is matched with the bottom of the added straight-through connecting pipe (1).

4. A catalyst aid adding buffer device according to claim 2, characterized in that: The bottom end buffer pad (404) is fixedly connected to the bottom of the connecting thin rod (403), and the bottom end buffer pad (404) is slidingly connected to the bottom of the added straight-through connecting pipe (1).

5. A catalyst aid adding buffer device according to claim 2, characterized in that: The top of the spring piece (406) is connected to the bottom of the surface connecting plate (407), and the second surface buffer pad (409) is connected to the top surface of the injection pipe fitting (3).

6. A catalyst aid adding buffer device according to claim 2, characterized in that: The protective sleeve (401) is fixedly connected to the surface bottom of the injection pipe fitting (3), and the side end connecting frame (402) is inserted into the side of the protective sleeve (401).

7. A catalyst aid adding buffer device according to claim 1, characterized in that: The surface sleeve joint fitting (202) is internally provided with an internal thread, and the surface sleeve joint fitting (202) is threadedly connected to the surface of the threaded butt joint sleeve (201).

Citation Information

Patent Citations

  • High-pressure buffer system device for producing oil refining catalyst additive

    CN213467762U