Tail gas treatment equipment for refining lubricating oil

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to tail gas treatment equipment for refining lubricating oil, which comprises a gas washing box, a first upper cover is arranged at the upper end of the gas washing box, and a first gas pump is arranged on the upper portion of the gas washing box. One side of the first air pump is connected with an electric control valve through a pipeline, the electric control valve is connected with an anti-suction barrel through a pipeline, a liquid sensor is arranged on the side wall of the lower portion of the anti-suction barrel, the pipeline at the bottom of the anti-suction barrel is arranged below the absorption liquid level in the gas washing box, a cross beam is fixed to the side wall in the gas washing box, and a spray head is fixed to the bottom end of the cross beam. The nozzles are connected with a water pump through pipelines, and the water pump is located at the upper end of the cross beam. The gas washing box is arranged, the gas outlet of the gas inlet pipe is arranged below the gas washing liquid level and used for carrying out gas washing treatment on tail gas, and the anti-suction barrel is arranged, so that gas suck-back is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of tail gas treatment equipment for lubricating oil refining technical field, specifically for a kind of tail gas treatment equipment for lubricating oil refining. BACKGROUND

[0002] With the development of society, people use more and more mechanical equipment in life and work, and the demand for lubricating oil as a liquid lubricant to protect machinery and workpieces is also increasing. Therefore, the number of businesses producing lubricating oil is also increasing. However, during the hydrogen refining process of lubricating oil, harmful impurities such as sulfur, nitrogen and oxygen in the lubricating oil can be converted into hydrogen sulfide, water and ammonia as waste gas with hydrogen. Although the existing tail gas treatment equipment can be used by people, it still has some problems. The traditional tail gas treatment equipment has a simple structure and uses a filter screen for adsorption treatment. The adsorption is slow, and the treatment of tail gas is not sufficient. In addition, it cannot adsorb the odor in the tail gas.

[0003] After searching, it was found that a tail gas treatment equipment for lubricating oil refining was disclosed in Chinese patent No. 202022182783.3, which includes a housing. An air inlet is formed at the bottom end of the housing, and an air outlet is formed at the top end of the housing. An air passage plate is arranged inside the housing. An absorption liquid spray head is arranged on the side of the air passage plate. Threaded rods are arranged on the upper and lower sides of the absorption liquid spray head. Reaction plates are threadedly connected to the sides of the threaded rods. A bearing is fixedly connected to one end of the threaded rod. The tail gas treatment equipment for lubricating oil refining can move the reaction plate through the step motor.

[0004] However, the existing patent has the following disadvantages:

[0005] The tail gas treatment equipment for lubricating oil refining only relies on the spray head to spray absorption liquid to treat tail gas, which may result in low quality of tail gas treatment. It does not have an activated carbon adsorption layer to adsorb odors in the tail gas. INVENTION CONTENTS

[0006] (I) Technical problems solved

[0007] To overcome the shortcomings of the prior art, the utility model provides a tail gas treatment equipment for lubricating oil refining, which solves the problem of low quality of tail gas treatment caused by only relying on the spray head to spray absorption liquid, and the problem of not being able to adsorb odors in the tail gas due to not having an activated carbon adsorption layer.

[0008] (II) Technical solutions

[0009] In order to achieve the above object, the utility model discloses the following technical scheme to realize: including the gas washing tank, its characterized in that: the first upper cover is arranged on the upper end of the gas washing tank, the first air pump is arranged on the upper portion of the gas washing tank, the electric control valve is connected with the anti suction barrel through the pipeline on the side of the first air pump, the anti suction barrel is connected with the anti suction barrel through the pipeline, the liquid sensor is arranged on the lower portion lateral wall of the anti suction barrel, the pipeline of the bottom of the anti suction barrel is arranged in the gas washing tank and is absorbed below the liquid level, the lateral wall fixed with the crossbeam is arranged in the gas washing tank, the spray head is fixed on the bottom end of the crossbeam, the water pump is connected with the spray head through the pipeline, the water pump is located on the upper end of the crossbeam, the pipeline end is arranged below the liquid level on the side of the water pump, the fixed frame is fixed on the bottom of the gas washing tank, the fixed frame is fixed and position limited to the pipeline end arranged on the side of the water pump, the liquid level sensor is arranged on the front end of the gas washing tank.

[0010] As a kind of preferred of the utility model, the upper portion of the gas washing tank is connected with absorption tower through pipeline, and a plurality of supporting legs are fixed to the bottom end of the absorption tower.

[0011] As a kind of preferred of the utility model, a plurality of limiting frames are symmetrically arranged on the two side walls in the absorption tower, and recesses are arranged on the side of the limiting frame.

[0012] As a kind of preferred of the utility model, adsorption layer is inserted between the limiting frames, and activated carbon adsorption filter element is inserted between the limiting frames.

[0013] As a kind of preferred of the utility model, the second upper cover is arranged on the upper end of the absorption tower, and the second sealing gasket is arranged between the second upper cover and the absorption tower.

[0014] As a kind of preferred of the utility model, the baffle is arranged on the front end of the absorption tower, the second flange is arranged on the second upper cover, the first flange is detachably arranged on the upper portion of the second flange through bolt, and the first sealing gasket is arranged between the second flange and the first flange.

[0015] As a kind of preferred of the utility model, the second air pump is connected with the first flange through pipeline on the upper end of the first flange, and the second air pump is used for exhausting to the outside.

[0016] As a kind of preferred of the utility model, the integrated box is fixed on the front end of the gas washing tank, the display operator is arranged in the integrated box, the display operator is electrically connected with the controller, and the controller is electrically connected with the electronic devices described above.

[0017] (Three) beneficial effects

[0018] The utility model provides a kind of tail gas treatment equipment for lubricating oil refining, with following beneficial effects:

[0019] 1. The tail gas treatment equipment for lubricating oil refining of the utility model is through setting up the gas washing tank, the gas outlet of the air inlet pipe is placed below the gas washing liquid level, is used for carrying out the gas washing treatment to the tail gas, is through setting up the anti-suction barrel, prevents the gas back suction.

[0020] 2. The tail gas treatment equipment for lubricating oil refining of the utility model is through setting up the nozzle, sprays the absorption liquid, improves the contact with the gas, improves the processing quality of the tail gas.

[0021] 3. The tail gas treatment equipment for lubricating oil refining of the utility model is through setting up the activated carbon adsorption layer, can absorb the peculiar smell in the gas. DRAWINGS

[0022] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0023] Figure 1 It is the whole structure schematic diagram of the utility model;

[0024] Figure 2 It is the main structure schematic diagram of the utility model;

[0025] Figure 3 It is the internal structure schematic diagram of the utility model;

[0026] In the drawing: 1, gas washing tank;2, first upper cover;3, liquid sensor;4, anti-suction barrel;5, electric control valve;6, first air pump;7, second air pump;8, first flange;9, first sealing gasket;10, second flange;11, second upper cover;12, second sealing gasket;13, baffle;14, absorption tower;15, support leg;16, integrated tank;17, display operator;18, controller;19, liquid level sensor;20, water pump;21, crossbeam;22, nozzle;23, fixing frame;24, adsorption layer;25, limit frame;26, activated carbon adsorption filter element. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.All other embodiments obtained by the person skilled in the art without making the creative labor based on the embodiments in the utility model all belong to the range protected by the utility model.

[0028] Please refer to Figures 1 to 3The utility model provides a technical scheme: a tail gas treatment equipment for lubricating oil refining, including the washing gas tank 1, the washing gas tank 1 upper end is provided with first upper cover 2, the washing gas tank 1 upper portion is provided with first air pump 6, one side of first air pump 6 is connected with electric control valve 5 through pipeline, electric control valve 5 is connected with anti suction barrel 4 through pipeline, the lower lateral wall of anti suction barrel 4 is provided with liquid sensor 3, the bottom pipeline of anti suction barrel 4 is placed below the liquid level in the washing gas tank 1, the inside lateral wall of washing gas tank 1 is fixed with crossbeam 21, the bottom of crossbeam 21 is fixed with shower nozzle 22, shower nozzle 22 is connected with water pump 20 through pipeline, water pump 20 is located on the upper end of crossbeam 21, one side pipeline end of water pump 20 is placed below the liquid level, the bottom of washing gas tank 1 is fixed with fixed frame 23, fixed frame 23 fixes and position-limiting the pipeline end set up on one side of water pump 20, the front end of washing gas tank 1 is provided with liquid level sensor 19.

[0029] In the embodiment of the utility model, the washing gas tank 1 upper end is provided with first upper cover 2, for closing the washing gas tank 1, prevent gas overflow and external pollutants from entering, pollute the absorption liquid, the washing gas tank 1 upper portion is provided with first air pump 6, for sending tail gas into the washing gas tank 1 inside, one side of first air pump 6 is connected with electric control valve 5 through pipeline, for controlling the circulation of tail gas, electric control valve 5 is connected with anti suction barrel 4 through pipeline, the lower lateral wall of anti suction barrel 4 is provided with liquid sensor 3, the bottom pipeline of anti suction barrel 4 is placed below the liquid level in the washing gas tank 1, by placing the nozzle below the liquid level, it is favorable to the tail gas is washed, when the pressure is unbalanced, anti suction barrel 4 is relatively large, prevent liquid from flowing back from the air inlet pipe, set up anti suction barrel 4 and buffer, when liquid sensor 3 detects liquid backflow, immediately close electric control valve 5 to prevent liquid from continuing to flow back, the inside lateral wall of washing gas tank 1 is fixed with crossbeam 21, for installing shower nozzle 22, the bottom of crossbeam 21 is fixed with shower nozzle 22, atomizes and sprays the absorption liquid, improves the absorption quality of tail gas, shower nozzle 22 is connected with water pump 20 through pipeline, water pump 20 is located on the upper end of crossbeam 21, one side pipeline end of water pump 20 is placed below the liquid level, it is convenient to extract the absorption liquid, the bottom of washing gas tank 1 is fixed with fixed frame 23, fixed frame 23 fixes and position-limiting the pipeline end set up on one side of water pump 20, prevent the pipeline from being placed above the liquid level, the front end of washing gas tank 1 is provided with liquid level sensor 19, for detecting the liquid level in the washing gas tank 1, prevent the liquid from being too little and the tail gas treatment quality is not high.

[0030] Specifically, the upper portion of the washing gas tank 1 is connected with the absorption tower 14 through the pipeline, and the bottom end of the absorption tower 14 is fixed with a plurality of supporting legs 15.

[0031] In order to solve the problem of supporting the absorption tower, such as Figure 1As shown, the upper part of the gas washing tank 1 is connected with the absorption tower 14 through a pipeline, and a plurality of supporting legs 15 are fixed at the bottom end of the absorption tower 14 for supporting the absorption tower 14.

[0032] Specifically, a plurality of limiting racks 25 are symmetrically arranged on the two side walls inside the absorption tower 14, and a groove is arranged on one side of the limiting rack 25.

[0033] In order to solve the problem of convenient component replacement, such as Figure 3 As shown, a plurality of limiting racks 25 are symmetrically arranged on the two side walls inside the absorption tower 14, and a groove is arranged on one side of the limiting rack 25, which facilitates the disassembly and replacement of the connected components.

[0034] Specifically, the adsorption layer 24 is inserted between the limiting racks 25, and the activated carbon adsorption filter core 26 is inserted between the limiting racks 25.

[0035] In order to solve the problem of improving the tail gas treatment quality by secondary treatment of tail gas, such as Figure 3 As shown, the adsorption layer 24 is inserted between the limiting racks 25 for secondary adsorption of tail gas, and the activated carbon adsorption filter core 26 is inserted between the limiting racks 25 for adsorption of peculiar smell in the tail gas.

[0036] Specifically, the second upper cover 11 is arranged at the upper end of the absorption tower 14, and the second sealing gasket 12 is arranged between the second upper cover 11 and the absorption tower 14.

[0037] In order to solve the problem of closing the absorption tower, such as Figure 1 As shown, the second upper cover 11 is arranged at the upper end of the absorption tower 14, and the second sealing gasket 12 is arranged between the second upper cover 11 and the absorption tower 14 for closing the absorption tower 14 and improving the air tightness of the absorption tower 14.

[0038] Specifically, the baffle 13 is arranged at the front end of the absorption tower 14, the second flange 10 is arranged on the second upper cover 11, the first flange 8 is detachably arranged on the upper part of the second flange 10 through bolts, and the first sealing gasket 9 is arranged between the second flange 10 and the first flange 8.

[0039] In order to solve the problem of convenient replacement of the adsorption layer and the filter core, such as Figure 1 As shown, the baffle 13 is arranged at the front end of the absorption tower 14, the second flange 10 is arranged on the second upper cover 11, the first flange 8 is detachably arranged on the upper part of the second flange 10 through bolts, the flange is arranged to facilitate personnel to disassemble and install the pipeline, and the first sealing gasket 9 is arranged between the second flange 10 and the first flange 8 to improve the sealing property between the flanges.

[0040] Specifically, the upper end of the first flange 8 is connected with the second air pump 7 through a pipeline, and the second air pump 7 is used for exhausting air to the outside.

[0041] In order to solve the problem of gas exhaust, such as Figure 1 As shown in the figure, the upper end of the first flange 8 is connected with the second air pump 7 through a pipeline, and the second air pump 7 is used for exhausting air to the outside, which improves the exhaust efficiency.

[0042] Specifically, the front end of the gas washing tank 1 is fixed with an integrated box 16, and the inside of the integrated box 16 is provided with a display operator 17, and the display operator 17 is electrically connected with a controller 18, and the controller 18 is electrically connected with the above-described electronic devices.

[0043] In order to solve the problem of device operation data display and device operation control, such as Figure 1 As shown in the figure, the front end of the gas washing tank 1 is fixed with an integrated box 16, which is used for protecting the internal electronic components, and the inside of the integrated box 16 is provided with a display operator 17, which is used for displaying the device operation data, and the display operator 17 is electrically connected with a controller 18, and the controller 18 is electrically connected with the above-described electronic devices and controls them.

[0044] The detailed description of known functions and known components is omitted in the specific embodiment of the present disclosure, and in order to ensure the compatibility of the equipment, the operation means adopted is consistent with the parameters of the market appliances.

[0045] In summary, the working principle and use process of the utility model: the first upper cover 2 is arranged on the upper end of the washing gas tank 1, is used for closing the washing gas tank 1, prevents gas overflow and external pollutants from entering, polluting the absorption liquid, the first gas pump 6 is arranged on the upper portion of the washing gas tank 1, is used for sending the tail gas into the washing gas tank 1 inside, the electric control valve 5 is connected with the anti-suction barrel 4 through pipeline on the side of the first gas pump 6, is used for controlling the circulation of tail gas, the anti-suction barrel 4 is connected with the electric control valve 5 through pipeline, the liquid sensor 3 is arranged on the lower portion side wall of the anti-suction barrel 4, the pipeline of the bottom of the anti-suction barrel 4 is arranged below the absorption liquid level in the washing gas tank 1, by arranging the pipe orifice below the liquid level, it is favorable to wash the gas for tail gas, the anti-suction barrel 4 is relatively larger than the pipeline, when pressure imbalance occurs, prevent liquid from flowing back from the air inlet pipe, set up the anti-suction barrel 4 to buffer, at the same time, when liquid backflow is detected by the liquid sensor 3, immediately close the electric control valve 5 to prevent liquid from continuing to backflow, the transverse beam 21 is fixed on the inner side wall of the washing gas tank 1, is used for installing the shower head 22, the shower head 22 is fixed on the bottom end of the transverse beam 21, atomizes and sprays the absorption liquid, improves the absorption quality of tail gas, the shower head 22 is connected with the water pump 20 through pipeline, the water pump 20 is located on the upper end of the transverse beam 21, the pipeline end on the side of the water pump 20 is arranged below the liquid level, to facilitate the extraction of absorption liquid, the fixed frame 23 is fixed on the bottom of the washing gas tank 1, the fixed frame 23 fixes and positions the pipeline end arranged on the side of the water pump 20, prevents the pipeline from being arranged above the liquid level, the liquid level sensor 19 is arranged on the front end of the washing gas tank 1, is used for detecting the liquid level in the washing gas tank 1, prevents the tail gas treatment quality from being not high due to too little liquid, the absorption tower 14 is connected with the washing gas tank 1 through pipeline on the upper portion, the absorption tower 14 is fixed with a plurality of supporting legs 15 on the bottom end, is used for supporting the absorption tower 14, a plurality of limiting frames 25 are symmetrically arranged on the inner side wall of the absorption tower 14, the adsorption layer 24 is inserted between the limiting frames 25, is used for secondary adsorption of tail gas, improves the tail gas absorption treatment quality, the activated carbon adsorption filter element 26 is inserted between the limiting frames 25, adsorbs the peculiar smell in the tail gas, the baffle 13 is arranged on the front end of the absorption tower 14, by disassembling the baffle 13, the inner adsorption layer 24 and the activated carbon adsorption filter element 26 can be replaced, the second flange 10 is arranged on the second upper cover 11, the first flange 8 is detachably arranged on the upper portion of the second flange 10 by bolt, the flange is convenient for personnel to disassemble and install the pipeline, the first sealing gasket 9 is arranged between the second flange 10 and the first flange 8, improves the sealing property between the flanges, the integrated box 16 is fixed on the front end of the washing gas tank 1, is used for protecting the internal electronic components, the display operator 17 is arranged in the integrated box 16, is used for displaying device running data, the display operator 17 is electrically connected with the controller 18, the controller 18 is electrically connected with the electronic devices described above and controls them.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An off-gas treatment plant for lubricating oil refining, comprising a scrubbing tank (1), characterized in that: The upper end of the gas washing tank (1) is provided with a first upper cover (2), the upper part of the gas washing tank (1) is provided with a first air pump (6), one side of the first air pump (6) is connected with an electric control valve (5) through a pipeline, the electric control valve (5) is connected with a suction prevention barrel (4) through a pipeline, the lower part of the suction prevention barrel (4) is provided with a liquid sensor (3) on the side wall, the bottom of the suction prevention barrel (4) is arranged in the gas washing tank (1) to absorb below the liquid level, the inner side wall of the gas washing tank (1) is fixed with a cross beam (21), the bottom end of the cross beam (21) is fixed with a spray head (22), the spray head (22) is connected with a water pump (20) through a pipeline, the water pump (20) is located on the upper end of the cross beam (21), one side of the water pump (20) is arranged below the liquid level, the bottom of the gas washing tank (1) is fixed with a fixed frame (23), the fixed frame (23) fixes and limits the pipeline end arranged on one side of the water pump (20), and the front end of the gas washing tank (1) is provided with a liquid level sensor (19).

2. An exhaust gas treatment apparatus for lubricating oil refining according to claim 1, characterized by: The upper part of the gas washing tank (1) is connected with an absorption tower (14) through a pipeline, and the bottom end of the absorption tower (14) is fixed with a plurality of supporting legs (15).

3. An off-gas treatment apparatus for lubricating oil refining according to claim 2, characterized by: The inner side walls of the absorption tower (14) are symmetrically provided with a plurality of limiting frames (25), and one side of the limiting frame (25) is provided with a groove.

4. An off-gas treatment apparatus for lubricating oil refining according to claim 3, characterized by: The limiting frames (25) are inserted with an adsorption layer (24), and the limiting frames (25) are inserted with an activated carbon adsorption filter element (26).

5. An off-gas treatment apparatus for lubricating oil refining according to claim 4, characterized by: The upper end of the absorption tower (14) is provided with a second upper cover (11), and a second sealing gasket (12) is arranged between the second upper cover (11) and the absorption tower (14).

6. An off-gas treatment apparatus for lubricating oil refining according to claim 5, characterized by: The front end of the absorption tower (14) is provided with a baffle (13), the second upper cover (11) is provided with a second flange (10), the upper part of the second flange (10) is detachably provided with a first flange (8) through bolts, and a first sealing gasket (9) is arranged between the second flange (10) and the first flange (8).

7. An off-gas treatment apparatus for lubricating oil refining according to claim 6, characterized by: The upper end of the first flange (8) is connected with a second air pump (7) through a pipeline, and the second air pump (7) is used for external exhaust.

8. An off-gas treatment apparatus for lubricating oil refining according to claim 7, characterized by: The front end of the gas washing tank (1) is fixedly provided with an integrated box (16), the inside of the integrated box (16) is provided with a display operator (17), the display operator (17) is electrically connected with a controller (18), and the controller (18) is electrically connected with the above-described electronic devices.

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