Hydrazinolysis reaction tail gas treatment device

Abstract

The utility model discloses a hydrazinolysis reaction tail gas treatment device which comprises a reaction box, the top of the reaction box is fixedly connected with an upper cover, the upper cover is a transparent glass plate, the top of the upper cover is fixedly connected with a gas inlet pipe, the left side wall of the reaction box is fixedly connected with an ozone micro-nano bubble generator, and the left side wall of the reaction box is fixedly connected with a gas outlet pipe. A liquid inlet pipe, a gas outlet pipe and a liquid outlet pipe are fixedly connected to the right side wall of the reaction box, partition plates are fixedly connected to the left side wall and the right side wall in the reaction box, a fixing plate is arranged below the partition plates, the fixing plate is fixedly connected with the inner wall of the reaction box, and a gas discharging pipe is fixedly connected to the bottom of the fixing plate. By means of the structure, tail gas is injected from the gas inlet pipe, enters the lower portion after being decomposed for the first time through anaerobic microorganisms and is subjected to multiple treatment under the action of ozone, hydrogen peroxide and ultraviolet rays, the treatment efficiency and the purification degree of the tail gas are improved, and residues of harmful substances in the tail gas are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrazinolysis reaction, in particular to a hydrazinolysis reaction tail gas treatment device. Background Art

[0002] The tail gas of the hydrazine hydrolysis reaction in the production of antibiotics usually contains hydrazine compounds and derivatives of other related functional groups, such as halogens, esters, imides, etc. These compounds may be irritating, corrosive or toxic, which can pollute the environment and have adverse effects on the health of production personnel and surrounding residents. Therefore, these harmful substances need to be removed.

[0003] In the existing hydrazine hydrolysis reaction tail gas treatment device, the tail gas can generally only be treated by a single physical or biochemical means, so that the hydrazine hydrolysis reaction tail gas treatment is not complete and cannot meet the emission standards, causing air pollution. Utility Model Content

[0004] The utility model aims to provide a hydrazine hydrolysis reaction tail gas treatment device, which injects tail gas from an air inlet pipe, enters the lower part after being decomposed by anaerobic microorganisms for the first time, and performs multiple treatments on the tail gas under the action of ozone, hydrogen peroxide and ultraviolet rays, thereby improving the treatment efficiency and purification degree of the tail gas and reducing the residual harmful substances in the tail gas.

[0005] To achieve the above-mentioned purpose, a hydrazine hydrolysis reaction tail gas treatment device is provided, comprising: a reaction box, the top of the reaction box is fixedly connected with an upper cover, the upper cover is a transparent glass plate, the top of the upper cover is fixedly connected with an air inlet pipe, the left side wall of the reaction box is fixedly connected with an ozone micro-nano bubble generator, the right side wall of the reaction box is fixedly connected with a liquid inlet pipe, an air outlet pipe and a liquid outlet pipe, the inner left and right side walls of the reaction box are fixedly connected with a partition, a fixed plate is arranged below the partition, the fixed plate is fixedly connected to the inner wall of the reaction box, and the fixed plate is fixedly connected to the inner wall of the reaction box. A lower air pipe is fixedly connected to the bottom of the fixed plate, an ultraviolet lamp is fixedly connected to the bottom of the fixed plate, the ultraviolet lamp is ring-shaped, an annular tube is arranged below the fixed plate, a nozzle is fixedly connected to the top of the annular tube, a connecting tube is fixedly connected to the circumferential surface of the annular tube, a temperature sensor, an ozone concentration sensor and an air pressure sensor are fixedly connected to the inner rear side wall of the reaction box, the temperature sensor, ozone concentration sensor and air pressure sensor are arranged in sequence from right to left, and a refrigeration plate is fixedly connected to the inner bottom surface of the reaction box.

[0006] According to the hydrazine hydrolysis reaction tail gas treatment device, the fixed plate separates the reaction box into an anaerobic chamber and an oxygen-enriched chamber, the partition is located in the anaerobic chamber, and the ultraviolet lamp tube, annular tube, temperature sensor, ozone concentration sensor and air pressure sensor are all located in the oxygen-enriched chamber.

[0007] According to the hydrazine hydrolysis reaction tail gas treatment device, the number of the partitions is multiple and they are staggered up and down inside the reaction box.

[0008] According to the hydrazine reaction tail gas treatment device, the number of the nozzles is multiple and evenly distributed on the circumferential surface of the annular tube, and the annular tube is connected to the ozone micro-nano bubble generator through a connecting pipe.

[0009] According to the hydrazine hydrolysis reaction tail gas treatment device, the anaerobic chamber is filled with anaerobic microorganisms, and the oxygen-enriched chamber is filled with hydrogen peroxide.

[0010] According to the exhaust gas treatment device for hydrazine hydrolysis reaction, the gas outlet pipe is located in front of the liquid inlet pipe, and the liquid outlet pipe is located below the liquid inlet pipe.

[0011] The above scheme has the beneficial effects of: by arranging a reaction box, an upper cover, an air inlet pipe, an ozone micro-nano bubble generator, a liquid inlet pipe, an air outlet pipe, a liquid outlet pipe, a partition, a fixing plate, a lower air pipe, an ultraviolet lamp, a ring pipe, a nozzle, a connecting pipe, a temperature sensor, an ozone concentration sensor, an air pressure sensor and a refrigeration plate, the tail gas is injected from the air inlet pipe, and enters the lower part after the first decomposition by anaerobic microorganisms, and the tail gas is subjected to multiple treatments under the action of ozone, hydrogen peroxide and ultraviolet rays, thereby improving the treatment efficiency and purification degree of the tail gas and reducing the residual harmful substances in the tail gas.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0014] Figure 1 This is a front view of a hydrazine reaction tail gas treatment device of the utility model;

[0015] Figure 2 This is a left view of a hydrazine reaction tail gas treatment device of the utility model;

[0016] Figure 3 This is a cross-sectional view of a reaction box of a hydrazine reaction tail gas treatment device of the utility model;

[0017] Figure 4 This is a diagram of the annular pipe structure of a hydrazine reaction tail gas treatment device of the utility model.

[0018] Legend:

[0019] 1. Reaction box; 2. Upper cover; 3. Air inlet pipe; 4. Ozone micro-nano bubble generator; 5. Liquid inlet pipe; 6. Air outlet pipe; 7. Liquid outlet pipe; 8. Partition; 9. Fixed plate; 10. Lower air pipe; 11. Ultraviolet lamp tube; 12. Ring pipe; 13. Nozzle; 14. Connecting pipe; 15. Temperature sensor; 16. Ozone concentration sensor; 17. Air pressure sensor; 18. Refrigeration plate. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment is a hydrazine hydrolysis reaction tail gas treatment device, which includes: a reaction box 1, the top of the reaction box 1 is fixedly connected with an upper cover 2, the upper cover 2 is a transparent glass plate, which is convenient for observing the degradation situation in the upper anaerobic chamber, the top of the upper cover 2 is fixedly connected with an air inlet pipe 3, the left side wall of the reaction box 1 is fixedly connected with an ozone micro-nano bubble generator 4, the right side wall of the reaction box 1 is fixedly connected with an inlet pipe 5, an air outlet pipe 6 and a liquid outlet pipe 7, the left and right side walls of the reaction box 1 are fixedly connected with partitions 8, the number of partitions 8 is set in plurality, and they are staggered in the interior of the reaction box 1 up and down, a fixed plate 9 is arranged below the partition 8, the fixed plate 9 is fixedly connected to the inner wall of the reaction box 1, the bottom of the fixed plate 9 is fixedly connected with a lower air pipe 10, the bottom of the fixed plate 9 is fixedly connected with an ultraviolet lamp tube 11, the ultraviolet lamp tube 11 is annular, and ultraviolet degradation of tail gas is performed, and an annular tube is arranged below the fixed plate 9. 12, a nozzle 13 is fixedly connected to the top of the annular tube 12, a connecting pipe 14 is fixedly connected to the circumferential surface of the annular tube 12, a plurality of nozzles 13 are provided, and are evenly distributed on the circumferential surface of the annular tube 12, the annular tube 12 is connected to the ozone micro-nano bubble generator 4 through the connecting pipe 14, and ozone micro-nano bubbles can be injected into the reaction box 1 to purify the exhaust gas, a temperature sensor 15, an ozone concentration sensor 16 and an air pressure sensor 17 are fixedly connected to the inner rear side wall of the reaction box 1, the temperature sensor 15, the ozone concentration sensor 16 and the air pressure sensor 17 are arranged from right to left in sequence, and are used to monitor the internal ozone concentration, air pressure value and temperature, so as to ensure that the exhaust gas degradation proceeds rapidly, and a refrigeration plate 18 is fixedly connected to the inner bottom surface of the reaction box 1, which is used to cool the internal hydrogen peroxide, reduce the reaction efficiency of hydrogen peroxide and ozone, and thus improve the degradation of the exhaust gas by hydrogen peroxide and ozone.

[0022] The fixed plate 9 divides the reaction box 1 into an anaerobic chamber and an oxygen-enriched chamber. The partition 8 is located in the anaerobic chamber. The anaerobic chamber is filled with anaerobic microorganisms to biodegrade the incoming exhaust gas. The ultraviolet lamp 11, the annular tube 12, the temperature sensor 15, the ozone concentration sensor 16 and the air pressure sensor 17 are all located in the oxygen-enriched chamber. The oxygen-enriched chamber is filled with hydrogen peroxide to oxidatively decompose and ultraviolet decompose the incoming exhaust gas.

[0023] Working principle: the tail gas from the hydrazine hydrolysis reaction is injected from the air inlet pipe 3, and the tail gas passes through the anaerobic chamber for the first time to be degraded by the internal anaerobic microorganisms to part of the harmful substances, and then the lower air pipe 10 is opened to allow the remaining tail gas to enter the oxygen-enriched chamber below, and the ozone micro-nano bubble generator 4 sprays ozone micro-nano bubbles through the connecting pipe 14, the annular pipe 12 and the nozzle 13, and the ultraviolet lamp 11 generates ultraviolet rays, so that the tail gas is degraded by hydrogen peroxide, ozone, ultraviolet rays, etc., and the harmful substances in the tail gas are degraded to a great extent, thereby improving the treatment efficiency and purification degree of the tail gas.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A hydrazine reaction tail gas treatment device, comprising: A reaction box (1), characterized in that the top of the reaction box (1) is fixedly connected to an upper cover (2), the upper cover (2) is a transparent glass plate, the top of the upper cover (2) is fixedly connected to an air inlet pipe (3), the left side wall of the reaction box (1) is fixedly connected to an ozone micro-nano bubble generator (4), the right side wall of the reaction box (1) is fixedly connected to a liquid inlet pipe (5), an air outlet pipe (6) and a liquid outlet pipe (7), the inner left and right side walls of the reaction box (1) are fixedly connected to a partition (8), a fixed plate (9) is arranged below the partition (8), the fixed plate (9) is fixedly connected to the inner wall of the reaction box (1), and the bottom of the fixed plate (9) is fixedly connected to a lower air pipe (10) The bottom of the fixing plate (9) is fixedly connected to an ultraviolet lamp tube (11), the ultraviolet lamp tube (11) is annular, an annular tube (12) is arranged below the fixing plate (9), a nozzle (13) is fixedly connected to the top of the annular tube (12), a connecting tube (14) is fixedly connected to the circumferential surface of the annular tube (12), a temperature sensor (15), an ozone concentration sensor (16) and an air pressure sensor (17) are fixedly connected to the inner rear side wall of the reaction box (1), the temperature sensor (15), the ozone concentration sensor (16) and the air pressure sensor (17) are arranged in sequence from right to left, and a cooling plate (18) is fixedly connected to the inner bottom surface of the reaction box (1).

2. A hydrazine reaction tail gas treatment device according to claim 1, characterized in that, The fixed plate (9) divides the reaction box (1) into an anaerobic chamber and an oxygen-enriched chamber, the partition (8) is located in the anaerobic chamber, and the ultraviolet lamp tube (11), the annular tube (12), the temperature sensor (15), the ozone concentration sensor (16) and the air pressure sensor (17) are all located in the oxygen-enriched chamber.

3. A hydrazine reaction tail gas treatment device according to claim 2, characterized in that, The partitions (8) are provided in a plurality and are staggered up and down inside the reaction box (1).

4. A hydrazine reaction tail gas treatment device according to claim 1, characterized in that: The number of the nozzles (13) is plural and evenly distributed on the circumferential surface of the annular tube (12). The annular tube (12) is connected to the ozone micro-nano bubble generator (4) via a connecting tube (14).

5. A hydrazine reaction tail gas treatment device according to claim 2, characterized in that, The anaerobic chamber is filled with anaerobic microorganisms, and the oxygen-enriched chamber is filled with hydrogen peroxide.

6. A hydrazine reaction tail gas treatment device according to claim 1, characterized in that: The air outlet pipe (6) is located in front of the liquid inlet pipe (5), and the liquid outlet pipe (7) is located below the liquid inlet pipe (5).

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