Sulfur dioxide and hydrogen chloride gas separation device

Abstract

The utility model discloses a sulfur dioxide and hydrogen chloride gas separation device which comprises a separation tower main body, an inlet pipe is arranged on one side of the separation tower main body, an output pipe is arranged on one side, far away from the inlet pipe, of the separation tower main body, and an adjusting box communicated with the inlet pipe is arranged on one side, far away from the separation tower main body, of the inlet pipe. A connecting pipe communicated with the adjusting box is arranged on the side, away from the inlet pipe, of the adjusting box, a filter screen is arranged in the adjusting box, and a gas flow adjusting assembly is arranged in the adjusting box and located on one side of the filter screen. The separation tower has the beneficial effects that dust in tail gas entering the separation tower main body can be filtered by arranging the filter screen, and the pore size of a gas circulation channel can be adjusted by arranging the gas flow adjusting assembly so as to adjust the circulation amount of gas, so that incomplete treatment of the separation tower main body caused by excessive tail gas entering the separation tower main body is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely, relate to a kind of sulfur dioxide and hydrogen chloride gas separation device. BACKGROUND

[0002] In the process of chlorination of organic matter with sulfonyl chloride and thionyl chloride, and in the process of production of chloroacetyl chloride with sulfur method, a large amount of hydrogen chloride acidic tail gas mixed with sulfur dioxide is produced. The mainstream scheme of existing factory is to absorb hydrogen chloride with water as hydrochloric acid, and the remaining sulfur dioxide is discharged after being absorbed by alkaline substance. However, because a large amount of sulfur dioxide (-4%) is dissolved in hydrochloric acid, and a certain amount of hydrogen chloride is contained in sulfur dioxide, it is difficult to handle, which causes great environmental pressure.

[0003] Currently, the separation of sulfur dioxide and hydrogen chloride gas is mainly carried out by gas separation tower. The existing gas separation tower cannot adjust the flow of tail gas when the tail gas is introduced, which leads to excessive flow of tail gas into the separation tower, so that the tail gas is not completely treated.

[0004] At present, there is no effective solution to the problems in the related art. SUMMARY

[0005] In view of the problems in the related art, the utility model provides a kind of sulfur dioxide and hydrogen chloride gas separation device to overcome the above technical problems existing in the related art.

[0006] Therefore, the specific technical scheme adopted by the utility model is as follows:

[0007] A kind of sulfur dioxide and hydrogen chloride gas separation device, including separation tower main body, the separation tower main body one side is equipped with into pipe, the separation tower main body is equipped with output pipe away from the into pipe one side, the into pipe is equipped with the adjusting box being communicated with in the side away from the separation tower main body, the adjusting box is equipped with the connecting pipe being communicated with in the side away from the into pipe, filter screen is equipped in the adjusting box, gas flow regulating assembly is equipped in the adjusting box and located in the side of filter screen.

[0008] Preferably, the output pipe and the connecting pipe are both provided with a connecting flange away from the separation tower main body.

[0009] Preferably, the gas flow regulating assembly includes a mounting column provided in the adjusting box and located in the side of the filter screen, the mounting column is connected to the adjusting box through a fixing frame, a plurality of rotation shafts are circumferentially arranged on the outer wall of the mounting column, flow regulating blades are fixedly sleeved on the outer wall of the rotation shafts, and the rotation shafts are connected to a linkage assembly outside the adjusting box away from the mounting column.

[0010] Preferably, the linkage assembly comprises a mounting ring sleeved on the outer wall of the adjusting box, the outer wall of the mounting ring is provided with a plurality of guide rods arranged in a circumferential array, the rotating shaft extends to the adjusting box outside the guide plate away from the mounting column, the guide plate is provided with a stroke hole matched with the guide rod on one side, and the guide rod is connected with an anti-coming-off block through the stroke hole on one side.

[0011] Preferably, the mounting ring is connected with the adjusting box through a bearing.

[0012] Preferably, the mounting ring is fixed with an inner gear ring on one side, the outer wall of the adjusting box is provided with a fixed plate, the fixed plate is provided with a servo motor on one side, and the driving end of the servo motor is connected with a gear engaged with the inner gear ring.

[0013] The beneficial effects of the present application are as follows: the filter screen can filter dust from the tail gas entering the main body of the separation tower, the gas flow adjusting assembly can adjust the size of the gas flow passage and thus the gas flow rate, and prevent the tail gas from entering the main body of the separation tower in excess, resulting in incomplete processing of the main body of the separation tower. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0015] Figure 1 is a schematic view of the overall structure of a sulfur dioxide and hydrogen chloride gas separation device according to an embodiment of the present application;

[0016] Figure 2 is a front view of a sulfur dioxide and hydrogen chloride gas separation device according to an embodiment of the present application;

[0017] Figure 3 is a schematic view of the structure of an adjusting box in a sulfur dioxide and hydrogen chloride gas separation device according to an embodiment of the present application;

[0018] Figure 4 is a schematic view of the internal structure of an adjusting box in a sulfur dioxide and hydrogen chloride gas separation device according to an embodiment of the present application;

[0019] Figure 5 is Figure 3 is a local enlarged view of position A in the adjusting box.

[0020] In the figure: 1, the main body of the separation tower; 2, the inlet pipe; 3, the output pipe; 4, the adjusting box; 5, the connecting pipe; 6, the filter screen; 7, the connecting flange; 8, the mounting column; 9, the fixing frame; 10, the rotating shaft; 11, the mounting ring; 12, the guide rod; 13, the guide plate; 14, the stroke hole; 15, the anti-dropping block; 16, the bearing; 17, the inner tooth ring; 18, the fixed plate; 19, the servo motor; 20, the gear; 21, the flow regulating blade. DETAILED DESCRIPTION

[0021] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the figure are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0022] According to the embodiment of the utility model, a kind of sulfur dioxide and hydrogen chloride gas separation device is provided. EMBODIMENT

[0023] As Figures 1-5 shown, according to the sulfur dioxide and hydrogen chloride gas separation device of the embodiment of the utility model, including separation tower main body 1, separation tower main body 1 side is equipped with inlet pipe 2, separation tower main body 1 side away from inlet pipe 2 is equipped with output pipe 3, inlet pipe 2 side away from separation tower main body 1 is equipped with with it the adjusting box 4 of intercommunication, adjusting box 4 side away from inlet pipe 2 is equipped with with it the connecting pipe 5 of intercommunication, adjusting box 4 is equipped with filter screen 6, adjusting box 4 and located in filter screen 6 side is equipped with gas flow regulating assembly. EMBODIMENT

[0024] As Figures 1-5As shown, including the separation tower body 1, one side of the separation tower body 1 is provided with the into pipe 2, the side away from the into pipe 2 of the separation tower body 1 is provided with the output pipe 3, the side away from the separation tower body 1 of the into pipe 2 is provided with the regulating tank 4 connected with it, the side away from the into pipe 2 of the regulating tank 4 is provided with the connecting pipe 5 connected with it, the regulating tank 4 is provided with the filter screen 6, the regulating tank 4 is provided with the gas flow regulating assembly in the side of the filter screen 6. The side away from the separation tower body 1 of the output pipe 3 and the connecting pipe 5 is provided with the connecting flange 7. The gas flow regulating assembly includes the mounting column 8 provided in the side of the filter screen 6 in the regulating tank 4, the mounting column 8 is connected with the regulating tank 4 through the fixed frame 9, the mounting column 8 is provided with a plurality of rotation shafts 10 distributed in a circumferential array on the outer wall, the rotation shaft 10 is fixedly provided with the flow regulating blade 21 on the outer wall, the side away from the mounting column 8 of the rotation shaft 10 extends to the outside of the regulating tank 4 and is connected with the linkage assembly. The linkage assembly includes the mounting ring 11 provided on the outer wall of the regulating tank 4, the mounting ring 11 is provided with a plurality of guide rods 12 distributed in a circumferential array on the outer wall, the side away from the mounting column 8 of the rotation shaft 10 extends to the outside of the regulating tank 4 and is connected with the guide plate 13, the side of the guide plate 13 is provided with the stroke hole 14 matched with the guide rod 12, the side of the guide rod 12 penetrates through the stroke hole 14 and is connected with the anti-drop block 15. The mounting ring 11 is connected with the regulating tank 4 through the bearing 16. The side of the mounting ring 11 is fixedly provided with the inner tooth ring 17, the outer wall of the regulating tank 4 is provided with the fixed plate 18, the side of the fixed plate 18 is provided with the servo motor 19, the driving end of the servo motor 19 is connected with the gear 20 engaged with the inner tooth ring 17.

[0025] In actual application, the tail gas is input into the regulating tank 4 through the connecting pipe 5, then dust filtering is carried out through the filter screen 6, when the tail gas passes through the filter screen 6, the servo motor 19 is started to drive the gear 20 to rotate, the gear 20 drives the mounting ring 11 to rotate through the inner tooth ring 17, the mounting ring 11 drives the guide rod 12 to extrude the inner wall of the stroke hole 14, so that the guide plate 13 rotates, the guide plate 13 drives the flow regulating blade 21 to rotate through the rotation shaft 10, so as to regulate the gas flow passage diameter, the tail gas flows through the gap between the plurality of flow regulating blades 21 to enter the separation tower body 1 to separate the sulfur dioxide and hydrogen chloride gas in the tail gas, the dust filtering of the tail gas entering the inside of the separation tower body can be carried out through the setting of the filter screen, the gas flow passage diameter can be regulated through the setting of the gas flow regulating assembly, so as to regulate the gas flow, and prevent the tail gas entering the separation tower body from being too much to cause incomplete processing of the separation tower body.

[0026] In summary, by means of the above technical scheme of the utility model, the dust filtering of the tail gas entering the inside of the separation tower body can be carried out through the setting of the filter screen, the gas flow passage diameter can be regulated through the setting of the gas flow regulating assembly, so as to regulate the gas flow, and prevent the tail gas entering the separation tower body from being too much to cause incomplete processing of the separation tower body.

[0027] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for separating sulfur dioxide and hydrogen chloride gases, comprising a separation tower body (1), characterized in that, The separation tower body (1) is provided with an inlet pipe (2) on one side, and an output pipe (3) is provided on the side away from the inlet pipe (2), the inlet pipe (2) is provided with an adjusting box (4) connected thereto on the side away from the separation tower body (1), the adjusting box (4) is provided with a connecting pipe (5) connected thereto on the side away from the inlet pipe (2), a filter screen (6) is arranged in the adjusting box (4), a gas flow adjusting assembly is arranged in the adjusting box (4) on the side of the filter screen (6), the gas flow adjusting assembly comprises a mounting column (8) arranged in the adjusting box (4) on the side of the filter screen (6), the mounting column (8) is connected with the adjusting box (4) through a fixing frame (9), a plurality of rotation shafts (10) are arranged in a circumferential array on the outer wall of the mounting column (8), a flow adjusting blade (21) is fixedly sleeved on the outer wall of the rotation shaft (10), the rotation shaft (10) extends to the outside of the adjusting box (4) on the side away from the mounting column (8) and is connected with a linkage assembly, the linkage assembly comprises a mounting ring (11) sleeved on the outer wall of the adjusting box (4), a plurality of guide rods (12) are arranged in a circumferential array on the outer wall of the mounting ring (11), the rotation shaft (10) extends to the outside of the adjusting box (4) on the side away from the mounting column (8) and is connected with a guide plate (13), a stroke hole (14) matched with the guide rod (12) is formed in one side of the guide plate (13), and the guide rod (12) is connected with an anti-drop block (15) on the side penetrating through the stroke hole (14).

2. A device for separating sulfur dioxide and hydrogen chloride gases according to claim 1, characterized in that, The output pipe (3) and the connecting pipe (5) are provided with a connecting flange (7) on the side away from the separation tower body (1).

3. A device for separating sulfur dioxide and hydrogen chloride gases as claimed in claim 1, wherein The mounting ring (11) is connected with the adjusting box (4) through a bearing (16).

4. A device for separating sulfur dioxide and hydrogen chloride gases as defined in claim 1, wherein An inner tooth ring (17) is fixedly arranged on one side of the mounting ring (11), a fixed plate (18) is arranged on the outer wall of the adjusting box (4), a servo motor (19) is arranged on one side of the fixed plate (18), and the driving end of the servo motor (19) is connected with a gear (20) engaged with the inner tooth ring (17) penetrating through the fixed plate (18).

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