Efficient debenzolization and purification device for coke oven gas

Abstract

The utility model relates to the technical field of coal gas debenzolization, in particular to an efficient debenzolization and purification device for coke oven gas, which comprises a debenzolization tower, a gas inlet is fixedly connected to the surface of the debenzolization tower, supporting legs are fixedly connected to the surface of the debenzolization tower, an anti-blocking mechanism is arranged on the surface of the gas inlet, and the supporting legs are fixedly connected to the surface of the debenzolization tower. The anti-blocking mechanism comprises an air inlet pipe front end, the air inlet pipe front end is fixedly installed on the surface of the air inlet, and an air inlet pipe middle end is fixedly connected to the surface of the air inlet pipe front end. The middle end of the gas inlet pipe is changed into a continuous bent shape, so that gas only drives a small amount of impurities to penetrate through the middle end of the gas inlet pipe, most of the impurities fall to the bottom of the middle end of the gas inlet pipe under the action of gravity, the middle end of the gas inlet pipe guides the impurities to the first threaded cylinder through the anti-blocking pipe, the gas inlet pipe is prevented from being blocked, and the gas inlet pipe is prevented from being blocked. The frequent maintenance of the air inlet pipe is avoided, and the purification efficiency of the debenzolization purification device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of coal gas debenzening, in particular to a coke oven gas high-efficiency debenzening purification device. Background Art

[0002] Debenzenization of coke oven gas is one of the processes of coke oven gas purification. Benzene in raw gas is in gaseous state, most of which is condensed in the gas collecting pipe and coke oven gas primary cooler and dissolved in coal tar. To remove benzene from coke oven gas, a debenzenization device is usually used to remove benzene from coke oven gas.

[0003] When the existing debenzene purification device is in use, the coal gas will carry fixed particles and impurities when entering from the intake pipe, causing a reduction in gas flow or even blockage. In order to ensure the purification efficiency, a certain gas flow needs to be guaranteed, so the intake pipe is disassembled for maintenance. However, after the intake pipe is disassembled, the debenzene purification device will be in an idle state, which will affect the purification efficiency. As a result, the purification efficiency will be reduced when the intake pipe is maintained or not maintained. Utility Model Content

[0004] The utility model aims to provide a coke oven gas high-efficiency debenzening and purification device to solve the problem in the above background technology that the purification efficiency is reduced when the intake pipe is maintained or not maintained.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a high-efficiency debenzening and purification device for coke oven gas: comprising a debenzening tower, an air inlet is fixedly connected to the surface of the debenzening tower, a support leg is fixedly connected to the surface of the debenzening tower, an anti-blocking mechanism is arranged on the surface of the air inlet, the anti-blocking mechanism comprises a front end of an air inlet pipe, the front end of the air inlet pipe is fixedly installed on the surface of the air inlet, the middle end of the air inlet pipe is fixedly connected to the surface of the front end of the air inlet pipe, the rear end of the air inlet pipe is fixedly connected to the surface of the middle end of the air inlet pipe, the middle end of the air inlet pipe is fixedly connected to the surface of the middle end of the air inlet pipe, the middle end of the air inlet pipe is fixedly connected to the support frame, the bottom of the middle end of the air inlet pipe is connected to an anti-blocking pipe, and the surface of the anti-blocking pipe is threadedly connected to a first threaded cylinder.

[0006] Preferably, a docking mechanism is provided on the surface of the front end of the intake pipe, and the docking mechanism includes a fixing ring, which is movably connected to the surface of the front end of the intake pipe, a sealing gasket is fixedly connected to the surface of the fixing ring, an externally threaded tube is slidably connected to the surface of the front end of the intake pipe, a second threaded tube is fixedly connected to the surface of the air inlet, and the externally threaded tube is threadedly connected to the surface of the second threaded tube.

[0007] Preferably, the middle end of the air intake pipe is in a continuously curved shape, and the middle end of the air intake pipe is supported by a support frame.

[0008] Preferably, the anti-blocking tubes are provided in a plurality of groups, the anti-blocking tubes are evenly distributed at the bottom of the middle end of the air inlet pipe, and the top of the anti-blocking tubes is connected to the interior of the middle end of the air inlet pipe.

[0009] Preferably, the bottom of the anti-blocking tube is provided with an external thread, the first threaded tube is threadedly connected to the external thread of the anti-blocking tube, and the first threaded tube blocks the bottom of the anti-blocking tube.

[0010] Preferably, the diameters of the fixing ring and the sealing gasket are the same, a circular hole is provided on the surface of the externally threaded tube, and the externally threaded tube is movably connected to the surface of the front end of the air intake pipe through the circular hole.

[0011] Preferably, the externally threaded tube is threadedly connected to the second threaded tube on the front end of the air intake pipe, the externally threaded tube connects the air inlet and the front end of the air intake pipe together through a fixing ring and the second threaded tube, and the externally threaded tube squeezes the sealing gasket on the fixing ring.

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

[0013] 1. The middle end of the gas inlet pipe is changed into a continuous curved shape so that the gas will only carry a small amount of impurities through the middle end of the inlet pipe. Most of the impurities fall to the bottom of the middle end of the inlet pipe under the action of gravity. The middle end of the inlet pipe guides the impurities to the first threaded barrel through the anti-blocking pipe. After multiple guidances from the middle end of the inlet pipe, most of the impurities fall on the surface of the first threaded barrel. The anti-blocking pipe then rotates and removes the first threaded barrel to clean out the impurities. This prevents the inlet pipe from being blocked and avoids frequent maintenance of the inlet pipe, thereby ensuring the purification efficiency of the debenzene purification device.

[0014] 2. Bring the front end of the intake pipe and the air inlet together, slide the external threaded tube on the front end of the intake pipe so that the external threaded tube can be threadedly connected with the second threaded tube. During the process of threaded connection of the external threaded tube with the second threaded tube, the sealing gasket is continuously squeezed on the fixing ring, so that the external threaded tube and the fixing ring are sealed, and the external threaded tube and the second threaded tube are also sealed. The external threaded tube realizes the docking of the air inlet and the front end of the intake pipe through the second threaded tube and the fixing ring. The docking method is quick and convenient, and it is convenient to maintain the intake pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a front view, sectional, and exploded schematic diagram of the connection of the middle end structure of the air intake pipe of the utility model;

[0017] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 4 For this utility model Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0019] Figure 5 It is a front view and a sectional stereoscopic schematic diagram of the docking mechanism of the utility model.

[0020] In the figure: 1. debenzene tower; 11. air inlet; 12. support leg; 2. front end of air inlet pipe; 21. middle end of air inlet pipe; 22. rear end of air inlet pipe; 23. support frame; 24. anti-blocking pipe; 25. first threaded barrel; 3. fixing ring; 31. sealing gasket; 32. second threaded barrel; 33. external threaded pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] The device for efficiently removing benzene from coke oven gas comprises a debenzening tower 1, on the surface of which an air inlet 11 is fixedly connected, on the surface of which a supporting leg 12 is fixedly connected, and on the surface of which an anti-blocking mechanism is arranged, the anti-blocking mechanism comprises an air inlet pipe front end 2, the air inlet pipe front end 2 is fixedly installed on the surface of the air inlet 11, on the surface of which an air inlet pipe middle end 21 is fixedly connected, on the surface of which an air inlet pipe rear end 22 is fixedly connected, on the surface of which a supporting frame 23 is fixedly connected, and on the bottom of which an anti-blocking pipe 24 is connected, on the surface of which a first threaded barrel 25 is threadedly connected, and the coal gas carrying impurities will remain inside the air inlet pipe, thereby reducing the air intake amount of the coal gas, and the anti-blocking mechanism can guide these impurities through the anti-blocking pipe 24 to the first threaded barrel 25 for storage, thereby avoiding the phenomenon of impurities blocking the air inlet pipe without affecting the air intake amount.

[0024] Furthermore, a docking mechanism is provided on the surface of the front end 2 of the intake pipe, and the docking mechanism includes a fixing ring 3, which is movably connected to the surface of the front end 2 of the intake pipe, a sealing gasket 31 is fixedly connected to the surface of the fixing ring 3, an external threaded tube 33 is slidably connected to the surface of the front end 2 of the intake pipe, a second threaded tube 32 is fixedly connected to the surface of the air inlet 11, and the external threaded tube 33 is threadedly connected to the surface of the second threaded tube 32. A flange connection is usually adopted between the air inlet 11 and the front end 2 of the intake pipe, which is troublesome and laborious to install. The docking mechanism can quickly realize the installation and disassembly between the air inlet 11 and the front end 2 of the intake pipe, so as to facilitate the maintenance of the intake pipe.

[0025] Furthermore, the middle end 21 of the air intake pipe is in a continuously curved shape, and impurities will fall on the middle end 21 of the air intake pipe and fall to the bottom of the middle end 21 of the air intake pipe, while the gas will pass through smoothly. The middle end 21 of the air intake pipe is supported by a support frame 23, thereby ensuring the stability of the position of the middle end 21 of the air intake pipe.

[0026] Furthermore, multiple groups of anti-blocking tubes 24 are provided, and the anti-blocking tubes 24 are evenly distributed at the bottom of the middle end 21 of the air intake pipe. The top of the anti-blocking tubes 24 is connected to the interior of the middle end 21 of the air intake pipe. The impurities in the middle end 21 of the air intake pipe are moved together by the coal gas, and most of the impurities will fall onto the first threaded tube 25 through the anti-blocking tubes 24. Multiple groups of anti-blocking tubes 24 reduce the possibility of impurity accumulation.

[0027] Furthermore, an external thread is provided at the bottom of the anti-blocking tube 24, and the first threaded barrel 25 is threadedly connected to the external thread of the anti-blocking tube 24. The first threaded barrel 25 blocks the bottom of the anti-blocking tube 24, and all impurities stand on the surface of the first threaded barrel 25. The anti-blocking tube 24 and the first threaded barrel 25 are threadedly connected, which facilitates the removal of the first threaded barrel 25 from the anti-blocking tube 24, thereby processing the impurities on the first threaded barrel 25.

[0028] Furthermore, the diameters of the fixing ring 3 and the sealing gasket 31 are the same, a circular hole is provided on the surface of the external threaded tube 33, the circular hole of the external threaded tube 33 is the same as the outer ring diameter of the front end 2 of the intake pipe, the external threaded tube 33 is movably connected to the surface of the front end 2 of the intake pipe through the circular hole, and the external threaded tube 33 can slide and rotate on the surface of the front end 2 of the intake pipe.

[0029] Furthermore, the external threaded tube 33 is threadedly connected to the second threaded tube 32 on the front end 2 of the intake pipe, so that one side of the external threaded tube 33 is a sealed connection. The external threaded tube 33 connects the air inlet 11 and the front end 2 of the intake pipe together through the fixing ring 3 and the second threaded tube 32, thereby completing the docking between the air inlet 11 and the front end 2 of the intake pipe. The external threaded tube 33 squeezes the sealing gasket 31 on the fixing ring 3 to achieve a sealed connection to the other side of the external threaded tube 33. During the docking process, the external threaded tube 33 completes the sealing between the front end 2 of the intake pipe and the air inlet 11.

[0030] Working principle: coal gas enters the middle end 21 of the air inlet pipe through the rear end 22 of the air inlet pipe. Since the middle end 21 of the air inlet pipe is in a continuously curved shape, the coal gas will only carry a small amount of impurities through the middle end 21 of the air inlet pipe and reach the front end 2 of the air inlet pipe, and then enter the debenzene tower 1 through the air inlet port 11 for purification. Most of the impurities fall to the bottom of the middle end 21 of the air inlet pipe under the action of gravity. The middle end 21 of the air inlet pipe guides the impurities to the first threaded barrel 25 through the anti-blocking pipe 24. Under the guidance of the middle end 21 of the air inlet pipe for many times, most of the impurities fall on the surface of the first threaded barrel 25, and then the anti-blocking pipe 24 rotates and removes the first threaded barrel 25 to clean out the impurities.

[0031] The front end 2 of the intake pipe and the air inlet 11 are brought into contact with each other, and the external threaded tube 33 is slid on the front end 2 of the intake pipe so that the external threaded tube 33 can be threadedly connected with the second threaded tube 32. During the process of threaded connection with the second threaded tube 32, the external threaded tube 33 continuously squeezes the sealing gasket 31 on the fixing ring 3, so that the external threaded tube 33 and the fixing ring 3 are sealed, and the external threaded tube 33 and the second threaded tube 32 are also sealed. In addition, the external threaded tube 33 realizes the docking of the air inlet 11 and the front end 2 of the intake pipe through the second threaded tube 32 and the fixing ring 3.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. High-efficiency debenzenization and purification device for coke oven gas, characterized by: The invention comprises a debenzene tower (1), an air inlet (11) is fixedly connected to the surface of the debenzene tower (1), a support leg (12) is fixedly connected to the surface of the debenzene tower (1), an anti-blocking mechanism is arranged on the surface of the air inlet (11), the anti-blocking mechanism comprises an air inlet pipe front end (2), the air inlet pipe front end (2) is fixedly installed on the surface of the air inlet (11), an air inlet pipe middle end (21) is fixedly connected to the surface of the air inlet pipe front end (2), an air inlet pipe rear end (22) is fixedly connected to the surface of the air inlet pipe middle end (21), a support frame (23) is fixedly connected to the surface of the air inlet pipe middle end (21), an anti-blocking pipe (24) is connected to the bottom of the air inlet pipe middle end (21), and a first threaded tube (25) is threadedly connected to the surface of the anti-blocking pipe (24).

2. The coke oven gas efficient debenzenization and purification device according to claim 1, characterized in that: A docking mechanism is provided on the surface of the front end (2) of the intake pipe, and the docking mechanism comprises a fixing ring (3), the fixing ring (3) is movably connected to the surface of the front end (2) of the intake pipe, a sealing gasket (31) is fixedly connected to the surface of the fixing ring (3), an externally threaded tube (33) is slidably connected to the surface of the front end (2) of the intake pipe, a second threaded tube (32) is fixedly connected to the surface of the intake port (11), and the externally threaded tube (33) is threadedly connected to the surface of the second threaded tube (32).

3. The coke oven gas efficient debenzening and purification device according to claim 1, characterized in that: The middle end (21) of the air intake pipe is in a continuously curved shape, and the middle end (21) of the air intake pipe is supported by a support frame (23).

4. The coke oven gas efficient debenzenization and purification device according to claim 3 is characterized in that: The anti-blocking tubes (24) are arranged in multiple groups, and the anti-blocking tubes (24) are evenly distributed at the bottom of the middle end (21) of the air intake pipe, and the top of the anti-blocking tubes (24) is connected to the inside of the middle end (21) of the air intake pipe.

5. The coke oven gas efficient debenzenization and purification device according to claim 4 is characterized in that: The bottom of the anti-blocking tube (24) is provided with an external thread, and the first threaded tube (25) is threadedly connected to the external thread of the anti-blocking tube (24), and the first threaded tube (25) blocks the bottom of the anti-blocking tube (24).

6. The coke oven gas efficient debenzenization and purification device according to claim 2, characterized in that: The diameters of the fixing ring (3) and the sealing gasket (31) are the same, a circular hole is provided on the surface of the externally threaded tube (33), and the externally threaded tube (33) is movably connected to the surface of the front end (2) of the intake pipe through the circular hole.

7. The coke oven gas efficient debenzenization and purification device according to claim 6, characterized in that: The externally threaded tube (33) is threadedly connected to the second threaded tube (32) on the front end (2) of the air intake pipe. The externally threaded tube (33) connects the air intake port (11) and the front end (2) of the air intake pipe together through the fixing ring (3) and the second threaded tube (32). The externally threaded tube (33) presses the sealing gasket (31) on the fixing ring (3).

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