Diethylhydroxylamine waste gas treatment device

Abstract

The utility model provides a diethylhydroxylamine waste gas treatment device which comprises a tower body, a gas inlet pipe I, a gold nanoparticle carrier plate, a metal organic framework, a spraying plate, an activated carbon adsorption plate, a gas outlet pipe I and a water storage tank, and the gold nanoparticle carrier plate, the metal organic framework, the spraying plate and the activated carbon adsorption plate are all mounted in the tower body; the gold nanoparticle carrier plate, the metal organic frame, the spraying plate and the activated carbon adsorption plate are sequentially arranged from bottom to top, the first air inlet pipe is installed on one side of the lower portion of the tower body, the end of the first air inlet pipe extends into the tower body and is located below the gold nanoparticle carrier plate, the upper side of the tower body is connected with the first air outlet pipe, and the lower side of the tower body is connected with the water storage tank through a pipeline. And the reservoir is connected with the spraying plate through a water pipe. According to the utility model, different harmful substances in the gas are specially treated through various waste gas treatment devices, and the types of poisonous and harmful gas treatment are expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of diethylhydroxylamine production, in particular to a diethylhydroxylamine waste gas treatment device. Background Art

[0002] Diethylhydroxylamine (DEHA) is an organic intermediate with wide applications. Its pure product is a colorless transparent liquid, while its industrial product is a light yellow transparent liquid. Since DEHA is stable at room temperature, easily soluble in water and a variety of organic solvents, and has moderate organic reducing properties, it is widely used as an inhibitor, antioxidant and stabilizer.

[0003] In the prior art, various toxic and harmful gases are generated during the preparation of diethylhydroxylamine. Due to the excessive types of harmful gases, the waste gas treatment devices currently used have a relatively simple treatment effect on the gases, resulting in the gases being discharged into the atmosphere, causing environmental pollution. Utility Model Content

[0004] The utility model aims to provide a diethylhydroxylamine waste gas treatment device to overcome the above problems or at least partially solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is specifically implemented as follows:

[0006] The utility model provides a diethylhydroxylamine waste gas treatment device, comprising a solid bed reaction tower, the exhaust pipe of the solid bed reaction tower is connected to the waste gas treatment tower through a delivery pipeline, the gas outlet end of the waste gas treatment tower is connected to a condensation separator through a delivery pipeline, the waste gas treatment tower and the condensation separator are arranged in multiple groups, and the multiple groups of waste gas treatment towers and condensation separators are arranged in series with each other, and the condensation separator at the end is connected to a biofilter through a delivery pipeline, and the biofilter is connected to a combustion furnace through a delivery pipeline.

[0007] The waste gas treatment tower comprises a tower body, an air inlet pipe, a gold nanoparticle carrier plate, a metal organic framework, a spray plate, an activated carbon adsorption plate, an air outlet pipe and a water reservoir. The gold nanoparticle carrier plate, the metal organic framework, the spray plate and the activated carbon adsorption plate are all installed inside the tower body, and the gold nanoparticle carrier plate, the metal organic framework, the spray plate and the activated carbon adsorption plate are arranged in sequence from bottom to top. The air inlet pipe is installed on one side of the lower part of the tower body, and its end extends into the tower body and is located below the gold nanoparticle carrier plate. The upper side of the tower body is connected to an air outlet pipe, the lower side of the tower body is connected to the water reservoir through a pipeline, and the water reservoir and the spray plate are connected through a water pipe.

[0008] As a further solution of the utility model, a bracket is fixedly installed inside the tower body, and the spray plate is fixed on the lower side of the bracket.

[0009] As a further solution of the utility model, a water pump is connected to the back of the water reservoir, and the water pump is respectively connected to the water reservoir and the spray plate through pipelines.

[0010] As a further solution of the utility model, the upper side of the condensation separator is respectively connected to the second air inlet pipe and the second air outlet pipe, and the lower side of the condensation separator is detachably connected to a liquid collecting bottle.

[0011] The utility model provides a diethylhydroxylamine waste gas treatment device, which has the beneficial effects of achieving special treatment of different harmful substances in the gas through a variety of waste gas treatment equipment, expanding the types of toxic and harmful gas treatment, being simple to operate, having good treatment effect, and avoiding pollution to the atmospheric environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the waste gas treatment tower in the utility model.

[0015] Figure 3 It is a structural schematic diagram of the condensation separator in the utility model.

[0016] In the figure: 1. solid bed reaction tower; 2. exhaust gas treatment tower; 3. condensation separator; 4. biological filter; 5. combustion furnace; 21. tower body; 22. air inlet pipe 1; 23. gold nanoparticle carrier plate; 24. metal organic framework; 25. spray plate; 26. activated carbon adsorption plate; 27. air outlet pipe 1; 28. water reservoir; 31. air inlet pipe 2; 32. air outlet pipe 2; 33. liquid collecting bottle. DETAILED DESCRIPTION

[0017] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0018] See also Figure 1-3A diethylhydroxylamine waste gas treatment device provided by an embodiment of the utility model includes a solid bed reaction tower 1, the exhaust pipe of the solid bed reaction tower 1 is connected to the waste gas treatment tower 2 through a delivery pipeline, the gas outlet end of the waste gas treatment tower 2 is connected to the condensation separator 3 through a delivery pipeline, the waste gas treatment tower 2 and the condensation separator 3 are arranged in multiple groups, and the multiple groups of waste gas treatment towers 2 and condensation separators 3 are arranged in series with each other, and the end condensation separator 3 is connected to the biofilter 4 through a delivery pipeline, and the biofilter 4 is connected to the combustion furnace 5 through a delivery pipeline.

[0019] The waste gas treatment tower 2 includes a tower body 21, an air inlet pipe 22, a gold nanoparticle carrier plate 23, a metal organic framework 24, a spray plate 25, an activated carbon adsorption plate 26, an air outlet pipe 27 and a water reservoir 28. The gold nanoparticle carrier plate 23, the metal organic framework 24, the spray plate 25 and the activated carbon adsorption plate 26 are all installed inside the tower body 21, and the gold nanoparticle carrier plate 23, the metal organic framework 24, the spray plate 25 and the activated carbon adsorption plate 26 are arranged in sequence from bottom to top. The air inlet pipe 22 is installed on one side of the lower part of the tower body 21, and its end extends into the tower body 21 and is located below the gold nanoparticle carrier plate 23. The upper side of the tower body 21 is connected to the air outlet pipe 27, the lower side of the tower body 21 is connected to the water reservoir 28 through a pipeline, and the water reservoir 28 and the spray plate 25 are connected through a water pipe.

[0020] A bracket is fixedly installed inside the tower body 21, and the spray plate 25 is fixed on the lower side of the bracket, so that the spray plate 25 is conveniently supported by the bracket.

[0021] A water pump is connected to the back of the water reservoir 28, and the water pump is connected to the water reservoir 28 and the spray plate 25 through pipelines, so as to circulate and spray water.

[0022] The upper side of the condensation separator 3 is respectively connected to an air inlet pipe 31 and an air outlet pipe 32, and a liquid collecting bottle 33 is detachably connected to the lower side of the condensation separator 3. By-products that are volatile at normal temperature and pressure but can be condensed by adjusting the temperature and pressure, such as part of the organic solvent vapor, are condensed into liquid by lowering the temperature, and then collected and further processed. This not only reduces gas emissions, but also makes it possible to recycle some useful substances.

[0023] During use, the utility model injects a mixed aqueous solution of triethylamine, acetic acid and hydrogen peroxide into a solid bed reaction tower 1, and reacts with a solid acid catalyst loaded with a heteropoly acid, and the various toxic and harmful gases generated are discharged through an exhaust pipe and sent into a tower body 21 through an air inlet pipe 22, and then the gas moves upward and passes through a gold nanoparticle carrier plate 23, a metal organic framework 24, a spray plate 25 and an activated carbon adsorption plate 26 in sequence, wherein the gold nanoparticle carrier plate 23 is attached with gold nanoparticles, which can oxidize carbon monoxide gas into carbon dioxide gas, and then the metal organic framework 24 is sprayed on the spray plate 25. After the water comes out, the carbon dioxide gas can be efficiently absorbed, and then the ethylene and other low-boiling point organic matter in other gases are absorbed by the activated carbon adsorption plate 26, and then other unreacted gases are discharged through the outlet pipe 27 and enter the condensation separator 3, and the gases that can be condensed and separated are separated, and then the gases enter the biological filter 4 and the combustion furnace 5 in turn, among which the microorganisms in the biological filter 4 grow on the surface of the filter material and degrade the organic matter, and the combustion furnace 5 converts the toxic and harmful gases into harmless substances through incineration. After multiple treatments, the remaining gas is discharged into the atmosphere.

[0024] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A diethylhydroxylamine waste gas treatment device, comprising a solid bed reaction tower (1), characterized in that: The exhaust pipe of the solid bed reaction tower (1) is connected to the waste gas treatment tower (2) through a delivery pipeline, and the gas outlet end of the waste gas treatment tower (2) is connected to the condensation separator (3) through a delivery pipeline, and the waste gas treatment tower (2) and the condensation separator (3) are provided in multiple groups, and the multiple groups of waste gas treatment towers (2) and condensation separators (3) are arranged in series with each other, and the condensation separator (3) at the end is connected to the biofilter (4) through a delivery pipeline, and the biofilter (4) is connected to the combustion furnace (5) through a delivery pipeline; The waste gas treatment tower (2) comprises a tower body (21), an air inlet pipe (22), a gold nanoparticle carrier plate (23), a metal organic framework (24), a spray plate (25), an activated carbon adsorption plate (26), an air outlet pipe (27) and a water reservoir (28), wherein the gold nanoparticle carrier plate (23), the metal organic framework (24), the spray plate (25) and the activated carbon adsorption plate (26) are all installed inside the tower body (21), and the gold nanoparticle carrier plate (23), the metal organic framework (24), the spray plate (25) and the activated carbon adsorption plate (26) are installed inside the tower body (21). The frame (24), the spray plate (25) and the activated carbon adsorption plate (26) are arranged in sequence from bottom to top; the air inlet pipe (22) is installed on one side of the lower part of the tower body (21), and its end extends into the tower body (21) and is located below the gold nanoparticle carrier plate (23); the upper side of the tower body (21) is connected to the air outlet pipe (27); the lower side of the tower body (21) is connected to the water reservoir (28) through a pipeline; and the water reservoir (28) and the spray plate (25) are connected through a water pipe.

2. A diethylhydroxylamine waste gas treatment device according to claim 1, characterized in that: A bracket is fixedly installed inside the tower body (21), and the spray plate (25) is fixed on the lower side of the bracket.

3. A diethylhydroxylamine waste gas treatment device according to claim 1, characterized in that: The back of the water reservoir (28) is connected to a water pump, and the water pump is respectively connected to the water reservoir (28) and the spray plate (25) through pipelines.

4. A diethylhydroxylamine waste gas treatment device according to claim 1, characterized in that: The upper side of the condensation separator (3) is respectively connected to an air inlet pipe 2 (31) and an air outlet pipe 2 (32), and the lower side of the condensation separator (3) is detachably connected to a liquid collecting bottle (33).

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