Arsenic removal adsorption tower for petrochemical industry

By setting up diversion incline plates and filters in the petrochemical desorption adsorption tower, the contact between petroleum and chemicals is enhanced, and the problem of incomplete contact in traditional towers is solved, the adsorption efficiency and filler life are improved, and the maintenance process is simplified.

CN223240028UActive Publication Date: 2025-08-19SHIJIAZHUANG DEFENG PRESSURE VESSEL MFG CO LTD
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Patent Information

Application Number
CN202422138764.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-08-19
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The filler in the traditional petrochemical dear arsenic adsorption tower is incompletely in contact with petroleum, resulting in low adsorption efficiency, requiring multiple cycles, and the filler is susceptible to damage to impurity particles.

Method used

A number of diversion inclined plates are arranged in the adsorption tower to increase the flow distance of oil, increase the contact area with the filler, and be equipped with a filter to filter impurities. The main body is easily disassembled through clamping and easy maintenance.

Benefits of technology

It improves the adsorption efficiency of arsenic in petroleum, extends the service life of fillers, reduces maintenance downtime, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of petrochemical engineering, and discloses a petrochemical engineering arsenic removal adsorption tower which comprises a tower body, a plurality of limiting clamping grooves are formed in the upper end of the inner wall of the tower body, a main body is clamped and matched with the inner wall of the tower body, and a plurality of limiting clamping blocks are fixedly connected to the upper end of the outer wall of the main body. Positioning rings are fixedly connected to the upper end and the lower end of the middle of the inner wall of the main body, and filter screens are fixedly connected to the upper surfaces of the positioning rings. Compared with most traditional arsenic removal adsorption towers for the petrochemical industry, the main body of the arsenic removal adsorption tower for the petrochemical industry is fixed in the tower body in a clamping manner, so that a user can conveniently detach the main body to the outside for maintenance and cleaning, and the maintenance convenience of the adsorption tower is improved; and in addition, the time for stopping working during maintenance or repair of the adsorption tower is shortened in a convenient replacement manner, so that the working efficiency of the adsorption tower is improved.
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Description

Technical Field

[0001] The utility model relates to the field of petrochemical industry, in particular to an arsenic removal adsorption tower used in petrochemical industry. Background Art

[0002] The petrochemical arsenic removal adsorption tower is a device used to remove arsenic from petroleum products. It is usually treated using adsorption technology. When the petroleum product enters the arsenic removal adsorption tower, the arsenic element will be adsorbed onto the surface or inside of the filler under the action of the filler. After a period of adsorption, the arsenic element in the petroleum product is removed. The arsenic removal adsorption tower plays an important role in petrochemical production. It can effectively remove harmful arsenic elements and ensure the quality and safety of petroleum products.

[0003] However, most traditional adsorption towers used for arsenic removal in petrochemicals are filled with fillers that cannot fully contact the oil to be treated during use, which makes the adsorption tower less efficient in adsorbing arsenic in oil and requires multiple cycles to complete the adsorption of arsenic in oil.

[0004] Therefore, those skilled in the art provide an adsorption tower for arsenic removal in petrochemical industry to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the present invention is to solve the shortcomings existing in the prior art, and to propose a petrochemical dearsenic adsorption tower. Compared with most traditional petrochemical dearsenic adsorption towers, the petrochemical dearsenic adsorption tower is provided with multiple guide inclined plates in the main body, thereby increasing the flow distance of the oil inside the main body, so that the oil can more comprehensively contact the filler filled in the main body, increasing the contact area between the oil and the filler, so that the filler can more comprehensively and efficiently adsorb the arsenic element contained in the oil, thereby improving the efficiency of the adsorption tower in adsorbing the oil, and the filter screen arranged on the main body can roughly filter the impurity particles contained in the oil, reduce the damage caused by the impurity particles to the filler in the adsorption tower, and improve the service life of the filler in the adsorption tower.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A dearsenication adsorption tower for petrochemical industry comprises a tower body, a plurality of limit slots are provided at the upper end of the inner wall of the tower body, a main body is snap-fitted to the inner wall of the tower body, a plurality of limit blocks are fixedly connected to the upper end of the outer wall of the main body, a positioning ring is fixedly connected to the upper and lower ends of the middle part of the inner wall of the main body, a filter is fixedly connected to the upper surface of the positioning ring, a plurality of guide inclined plates are fixedly connected to the middle part of the inner wall of the main body, a fixed block is fixedly connected to the upper surface of the tower body, and a top cover is fixedly connected to the middle part of the upper surface of the fixed block.

[0008] Through the above technical solution, compared with most traditional petrochemical arsenic removal adsorption towers, the main body of the petrochemical arsenic removal adsorption tower is fixed in the tower body by a snap-on method, and the user can more conveniently disassemble the main body to the outside for maintenance and cleaning, thereby improving the convenience of maintenance of the adsorption tower, and reducing the time the adsorption tower stops working during maintenance or repair by facilitating replacement, thereby improving the working efficiency of the adsorption tower.

[0009] Furthermore, the lower end of the outer wall of the tower body is fixedly connected to a fixing seat, the outer wall of the fixing seat is fixedly connected to a plurality of supporting legs, and the lower end of the outer wall of the supporting legs is fixedly connected to a base;

[0010] Through the above technical solution, the adsorption tower can be placed in a desired position more stably.

[0011] Furthermore, an oil drain port is fixedly connected to the center of the lower surface of the tower body, and an oil inlet is fixedly connected to the center of the upper surface of the top cover;

[0012] Through the above technical solution, by setting the oil inlet and the oil outlet, the oil can enter the adsorption tower and then be discharged after adsorption processing.

[0013] Furthermore, one side of the lower surface of the tower body is fixedly connected to a first circulation interface, and one side of the upper surface of the top cover is fixedly connected to a second circulation interface;

[0014] Through the above technical solution, by providing the first circulation interface and the second circulation interface, the oil processed at the bottom of the tower body can be transported to the top cover and adsorbed again by the main body.

[0015] Furthermore, the peripheral threads on the upper surface of the connecting ring are engaged with a plurality of first bolts;

[0016] With the above technical solution, the filter screen can be fixed on the main body by providing the first bolt.

[0017] Furthermore, a sealing block is fixedly connected to the upper surface of the main body, and a sealing slot is provided on the lower surface of the fixing block;

[0018] With the above technical solution, the sealing between the fixing block and the main body is improved by providing the sealing block and the sealing slot.

[0019] Furthermore, the peripheral threads on the upper surface of the tower body are engaged with a plurality of second bolts;

[0020] With the above technical solution, the second bolt is provided so that the fixing block can be fixed on the tower body more firmly.

[0021] Furthermore, a connecting ring is fixedly connected to the middle portion of the upper surface of the limit block;

[0022] With the above technical solution, the connecting ring is provided so that the user can lift the main body away from the tower body.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a petrochemical dearsenic adsorption tower. Compared with most traditional petrochemical dearsenic adsorption towers, the petrochemical dearsenic adsorption tower is provided with multiple guide inclined plates in the main body, thereby increasing the flow distance of the oil inside the main body, so that the oil can more comprehensively contact the filler filled in the main body, increasing the contact area between the oil and the filler, so that the filler can more comprehensively and efficiently adsorb the arsenic element contained in the oil, thereby improving the efficiency of the adsorption tower in adsorbing the oil, and the filter screen arranged on the main body can roughly filter the impurity particles contained in the oil, reduce the damage caused by the impurity particles to the filler in the adsorption tower, and thus improve the service life of the filler in the adsorption tower.

[0025] 2. The utility model proposes a petrochemical dearsenic adsorption tower. Compared with most traditional petrochemical dearsenic adsorption towers, the main body of the petrochemical dearsenic adsorption tower is fixed in the tower body by a snap-on method. Users can more conveniently disassemble the main body to the outside for maintenance and cleaning, thereby improving the convenience of maintenance of the adsorption tower. The easy replacement method reduces the time the adsorption tower stops working during maintenance or repair, thereby improving the working efficiency of the adsorption tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of an adsorption tower for arsenic removal in petrochemical industry proposed by the utility model;

[0027] Figure 2 This is a schematic diagram of a top cover structure for a petrochemical arsenic removal adsorption tower proposed by the utility model;

[0028] Figure 3This is a schematic diagram of the filter structure for a petrochemical arsenic removal adsorption tower proposed by the utility model;

[0029] Figure 4 This is a schematic diagram of the main structure of an adsorption tower for arsenic removal in petrochemical industry proposed by the utility model;

[0030] Figure 5 The utility model is a schematic diagram of a limit slot structure for a petrochemical arsenic removal adsorption tower.

[0031] Legend:

[0032] 1. Tower body; 2. Fixed seat; 3. Support leg; 4. Base; 5. Oil drain port; 6. First circulation interface; 7. Limiting slot; 8. Main body; 9. Limiting block; 10. Connecting ring; 11. Guide ramp; 12. Positioning ring; 13. First bolt; 14. Filter; 15. Sealing block; 16. Second bolt; 17. Fixed block; 18. Sealing slot; 19. Top cover; 20. Second circulation interface; 21. Oil inlet. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Reference Figure 1-5 , an embodiment provided by the utility model:

[0035] A dearsenication adsorption tower for petrochemical industry includes a tower body 1, the lower end of the outer wall of the tower body 1 is fixedly connected to a fixing seat 2, the outer wall of the fixing seat 2 is fixedly connected to a plurality of supporting legs 3, and the lower end of the outer wall of the supporting leg 3 is fixedly connected to a base 4, so that the adsorption tower can be placed in a desired position more stably, a plurality of limiting slots 7 are opened at the upper end of the inner wall of the tower body 1, the inner wall of the tower body 1 is snap-fitted with a main body 8, the upper end of the outer wall of the main body 8 is fixedly connected to a plurality of limiting blocks 9, the upper and lower ends of the middle part of the inner wall of the main body 8 are fixedly connected to a positioning ring 12, the upper surface of the positioning ring 12 is fixedly connected to a filter screen 14, the middle part of the inner wall of the main body 8 is fixedly connected to a plurality of guide inclined plates 11, the upper surface of the tower body 1 is fixedly connected to a fixing block 17, and the middle part of the upper surface of the fixing block 17 is fixedly connected to a top cover 19.

[0036] Compared with most traditional arsenic removal adsorption towers used in petrochemical industry, the arsenic removal adsorption tower used in petrochemical industry is provided with multiple guide inclined plates 11 in the main body 8, thereby increasing the flow distance of oil in the main body 8, and thus allowing the oil to more comprehensively contact with the filler filled in the main body 8, increasing the contact area between the oil and the filler, so that the filler can more comprehensively and efficiently adsorb the arsenic element contained in the oil, thereby improving the efficiency of the adsorption tower in adsorbing oil, and the filter 14 arranged on the main body 8 can roughly filter the impurity particles contained in the oil, reduce the damage caused by impurity particles to the filler in the adsorption tower, and improve the service life of the filler in the adsorption tower.

[0037] An oil discharge port 5 is fixedly connected at the center of the lower surface of the tower body 1, and an oil inlet 21 is fixedly connected at the center of the upper surface of the top cover 19. By setting the oil inlet 21 and the oil discharge port 5, oil can enter the adsorption tower and be discharged after adsorption processing. A first circulation interface 6 is fixedly connected to one side of the lower surface of the tower body 1, and a second circulation interface 20 is fixedly connected to one side of the upper surface of the top cover 19. By setting the first circulation interface 6 and the second circulation interface 20, the oil processed at the bottom of the tower body 1 can be transported to the top cover 19 and adsorbed again by the main body 8. The peripheral thread on the upper surface of the connecting ring 10 is matched with a plurality of first bolts 13. A first bolt 13 is provided so that the filter screen 14 can be fixed to the main body 8. A sealing block 15 is fixedly connected to the upper surface of the main body 8. A sealing groove 18 is provided on the lower surface of the fixing block 17. The sealing block 15 and the sealing groove 18 are provided so that the sealing between the fixing block 17 and the main body 8 is improved. The peripheral thread of the upper surface of the tower body 1 is equipped with a plurality of second bolts 16. The second bolts 16 are provided so that the fixing block 17 can be fixed to the tower body 1 more firmly. The middle part of the upper surface of the limit block 9 is fixedly connected with a connecting ring 10. The connecting ring 10 is provided so that the user can lift the main body 8 away from the tower body 1.

[0038] Working principle: First, the oil inlet 21 and the oil outlet 5 of the adsorption tower are connected to the required pipelines respectively, and the pump body is connected to the first circulation interface 6 and the second circulation interface 20 through the pipeline, so that the oil in the first circulation interface 6 can be transported to the second circulation interface 20, and the oil to be processed enters the main body 8 on the tower body 1 through the oil inlet 21. The arsenic element contained in the oil will be adsorbed by the filler filled in the main body 8. Under the action of the guide inclined plate 11, the flow distance of the oil inside the main body 8 is increased, so that the oil can more comprehensively contact the filler filled in the main body 8, and the contact area between the oil and the filler is increased, so that the filler can more comprehensively and efficiently adsorb the arsenic element contained in the oil. The processed oil is transported to the desired position by the user through the pipeline connected to the oil outlet 5. A sampling valve can be set between the pump body and the first circulation interface 6 to sample and detect the oil to determine whether it is to be circulated.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dearsenication adsorption tower for petrochemical industry, comprising a tower body (1), characterized in that: The upper end of the inner wall of the tower body (1) is provided with a plurality of limiting card slots (7), the inner wall of the tower body (1) is snap-fitted with a main body (8), the upper end of the outer wall of the main body (8) is fixedly connected with a plurality of limiting card blocks (9), the upper end and the lower end of the middle part of the inner wall of the main body (8) are fixedly connected with a positioning ring (12), the upper surface of the positioning ring (12) is fixedly connected with a filter screen (14), the middle part of the inner wall of the main body (8) is fixedly connected with a plurality of guide inclined plates (11), the upper surface of the tower body (1) is fixedly connected with a fixing block (17), and the middle part of the upper surface of the fixing block (17) is fixedly connected with a top cover (19).

2. The adsorption tower for arsenic removal in petrochemical industry according to claim 1, characterized in that: The lower end of the outer wall of the tower body (1) is fixedly connected to a fixing seat (2), the outer wall of the fixing seat (2) is fixedly connected to a plurality of supporting legs (3), and the lower end of the outer wall of the supporting legs (3) is fixedly connected to a base (4).

3. The adsorption tower for arsenic removal in petrochemical industry according to claim 1, characterized in that: An oil discharge port (5) is fixedly connected at the center of the lower surface of the tower body (1), and an oil inlet (21) is fixedly connected at the center of the upper surface of the top cover (19).

4. The adsorption tower for arsenic removal in petrochemical industry according to claim 1, characterized in that: A first circulation interface (6) is fixedly connected to one side of the lower surface of the tower body (1), and a second circulation interface (20) is fixedly connected to one side of the upper surface of the top cover (19).

5. The adsorption tower for arsenic removal in petrochemical industry according to claim 1, characterized in that: A connecting ring (10) is fixedly connected to the middle portion of the upper surface of the limiting block (9).

6. The adsorption tower for arsenic removal in petrochemical industry according to claim 1, characterized in that: A sealing card block (15) is fixedly connected to the upper surface of the main body (8), and a sealing card groove (18) is provided on the lower surface of the fixing block (17).

7. The adsorption tower for arsenic removal in petrochemical industry according to claim 1, characterized in that: The peripheral threads on the upper surface of the tower body (1) are engaged with a plurality of second bolts (16).

8. The adsorption tower for arsenic removal in petrochemical industry according to claim 5, characterized in that: The peripheral threads on the upper surface of the connecting ring (10) are engaged with a plurality of first bolts (13).