Waste gas treatment device for amino acid production

Abstract

A waste gas treatment device for amino acid production comprises a waste gas treatment chamber, a vertically-arranged gas inlet pipeline is installed at the bottom of the waste gas treatment chamber, and the bottom of the gas inlet pipeline penetrates through the waste gas treatment chamber from inside to outside and is externally connected with an amino acid production waste gas discharge pipeline through a rotary joint. A transversely-arranged air outlet pipeline is installed at the top of the air inlet pipeline, and a plurality of air outlet holes are formed in the top of the air outlet pipeline. A vertically arranged spraying pipeline is mounted at the top of the waste gas treatment chamber, the waste gas treatment chamber is observed from inside to outside at the top of the spraying pipeline, the spraying pipeline is externally connected with a spraying box through a rotary joint, the bottom of the spraying pipeline is communicated with an annular pipeline through a plurality of water guide pipelines, and a plurality of water outlet holes are formed in the bottoms of the water guide pipelines and the annular pipeline. The device can perform accurate, efficient and comprehensive spraying treatment on the amino acid production waste gas, is favorable for ensuring the treatment effect, and can stably operate for a long time.

Description

Technical Field

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

[0002] With the expansion of amino acid production scale and the continuous advancement of technology, the problem of waste gas generated in its production process has become increasingly prominent. These waste gases contain a variety of harmful substances, which not only have pungent odors, but may also cause harm to the environment and human health.

[0003] At present, although there are many waste gas treatment equipment on the market, they often seem to be unable to cope with the acidic waste gas unique to amino acid production, because the existing waste gas treatment methods often fail to fully consider the acidic characteristics of amino acid production waste gas. Direct application may lead to poor treatment effect, especially in the spray treatment link. Existing equipment generally faces problems such as uneven spraying effect, incomplete coverage, and incomplete treatment. This limitation not only limits the effective removal of harmful substances in the waste gas, but may also increase the risk of subsequent emissions due to incomplete treatment, and even cause corrosion damage to the treatment equipment itself, shortening its service life. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an amino acid production waste gas treatment device which can accurately, efficiently and comprehensively spray the amino acid production waste gas to ensure the treatment effect and can operate stably for a long time in response to the deficiencies of the existing technology.

[0005] The technical problem to be solved by the utility model is achieved through the following technical solutions. The utility model is a waste gas treatment device for amino acid production, including a waste gas treatment chamber, a vertically arranged air intake pipe is installed at the bottom of the waste gas treatment chamber, the bottom of the air intake pipe runs through the waste gas treatment chamber from the inside to the outside, and is externally connected to the amino acid production waste gas discharge pipe through a rotary joint, a horizontally arranged air outlet pipe is installed on the top of the air intake pipe, a plurality of air outlet holes are arranged on the top of the air outlet pipe, a rotary seal is installed at the junction of the air intake pipe and the waste gas treatment chamber, and a power device I for driving the air intake pipe to rotate is installed at the bottom of the waste gas treatment chamber;

[0006] A vertically arranged spray pipe is installed on the top of the exhaust gas treatment chamber. The exhaust gas treatment chamber is observed from the inside to the outside through the top of the spray pipe, and an external spray box is connected through a rotating joint. An annular pipe is connected to the bottom of the spray pipe through a plurality of water pipes. A plurality of water outlet holes are arranged at the bottom of the water pipe and the annular pipe. A rotary seal is installed at the junction of the spray pipe and the exhaust gas treatment chamber. A power device II for driving the spray pipe to rotate is installed on the top of the exhaust gas treatment chamber.

[0007] The technical problem to be solved by the utility model can also be further achieved through the following technical solutions. For the above-mentioned waste gas treatment device for amino acid production, an adsorption tank is connected to the top of the waste gas treatment chamber through an exhaust pipe. Two adsorption tanks are provided, and the two adsorption tanks are arranged in parallel.

[0008] The technical problem to be solved by the utility model can be further achieved by the following technical scheme. For the above-mentioned waste gas treatment device for amino acid production, activated carbon or molecular sieve is filled in the adsorption tank.

[0009] The technical problem to be solved by the utility model can be further achieved by the following technical solution. For the above-mentioned waste gas treatment device for amino acid production, a one-way air nozzle is installed on the air outlet pipe at the air outlet.

[0010] The technical problem to be solved by the utility model can be further achieved by the following technical scheme. For the above-mentioned waste gas treatment device for amino acid production, a one-way water nozzle is installed on the water guide pipe and the annular pipe at the water outlet.

[0011] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned exhaust gas treatment device for amino acid production, the power equipment I is a motor, and the motor shaft of the motor is drivingly connected to the air intake pipe.

[0012] The technical problem to be solved by the utility model can also be further achieved through the following technical solutions. For the above-mentioned waste gas treatment device for amino acid production, the power equipment II is a motor, and the motor shaft of the motor is drivingly connected to the spray pipe.

[0013] The technical problem to be solved by the utility model can also be further achieved through the following technical scheme. For the above-mentioned waste gas treatment device for amino acid production, an alkaline solution is contained in the spray box, and a pH meter is installed on the spray box and the amino acid production waste gas discharge pipeline.

[0014] The technical problem to be solved by the utility model can be further achieved by the following technical scheme. For the above-mentioned waste gas treatment device for amino acid production, a drainage pipe is also connected to the bottom of the waste gas treatment chamber, and a steam trap is installed on the drainage pipe.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model realizes the full mixing and contact between the amino acid production waste gas and the spray solution by arranging a rotatable air intake pipe and a spray pipe in the waste gas treatment chamber, which is convenient for accurate, efficient and comprehensive spray treatment of the amino acid production waste gas. Compared with the traditional static treatment system, this dynamic mixing method can neutralize the waste gas more quickly, improve the treatment efficiency and ensure the treatment effect;

[0017] 2. Rotary seals are installed at the joints between the air intake pipe, the spray pipe and the exhaust gas treatment chamber, which not only ensures the air tightness and water tightness of the equipment during rotation, prevents the leakage of exhaust gas or spray liquid, but also reduces the risk of decreased treatment efficiency and environmental pollution caused by leakage. At the same time, it enhances the overall durability of the equipment, extends the service life of the equipment, and reduces maintenance costs;

[0018] 3. The utility model is also provided with an adsorption tank to perform adsorption treatment on the amino acid production waste gas after spraying treatment, so as to further remove harmful substances in the amino acid production waste gas, thereby ensuring that the waste gas is treated thoroughly enough, so as to further improve the overall treatment effect and reduce the risk of subsequent emissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the air outlet pipe of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the spray pipeline of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0023] Reference Figure 1-3 , an amino acid production waste gas treatment device, comprising a waste gas treatment chamber 1, a vertically arranged air intake pipe 2 is installed at the bottom of the waste gas treatment chamber 1 for inputting the amino acid production waste gas, and a vertically arranged spray pipe 6 is installed at the top of the waste gas treatment chamber 1 for inputting a spray solution. Since the amino acid production waste gas is acidic, the spray solution generally adopts an alkaline solution, which is convenient for the spray solution to spray the amino acid production waste gas to achieve dust removal, cooling and neutralization treatment of the amino acid production waste gas. Specifically:

[0024] The bottom of the air intake pipe 2 penetrates the waste gas treatment chamber 1 from the inside to the outside, and is connected to the amino acid production waste gas emission pipe 4 through a rotary joint. A transversely arranged air outlet pipe 3 is installed on the top of the air intake pipe 2, and a plurality of air outlet holes are arranged on the top of the air outlet pipe 3; the top of the spray pipe 6 observes the waste gas treatment chamber 1 from the inside to the outside, and is connected to the spray box 10 through a rotary joint and a liquid supply pipe 9. The bottom of the spray pipe 6 is connected to the annular pipe 7 through a plurality of water guide pipes 18, and a plurality of water outlet holes are arranged at the bottom of the water guide pipe 18 and the annular pipe 7;

[0025] Preferably, a one-way air jet nozzle 17 is installed on the air outlet pipe 3 at the air outlet, and a one-way water jet nozzle 19 is installed on the water guide pipe 18 and the annular pipe 7 at the water outlet;

[0026] In order to better achieve comprehensive, uniform and full mixing of the spray solution and the amino acid production waste gas, a rotary seal is installed at the junction of the air intake pipe 2 and the waste gas treatment chamber 1, and a power device I5 for driving the air intake pipe 2 to rotate is installed at the bottom of the waste gas treatment chamber 1; a rotary seal is installed at the junction of the spray pipe 6 and the waste gas treatment chamber 1, and a power device II8 for driving the spray pipe 6 to rotate is installed at the top of the waste gas treatment chamber 1, so that the air intake pipe 2 can be rotated under the drive of the power device I5 to achieve the dynamic input of the amino acid production waste gas, and the spray pipe 6 can be rotated under the drive of the power device II8 to achieve the dynamic input of the spray solution, so that the spray solution can accurately, efficiently and comprehensively spray the amino acid production waste gas. Compared with the traditional static treatment system, this dynamic mixing method can neutralize the waste gas more quickly, improve the treatment efficiency and ensure the treatment effect;

[0027] Preferably, the power device I5 is a motor, and the motor shaft of the motor is connected to the air intake pipe 2 in a transmission manner; the power device II8 is a motor, and the motor shaft of the motor is connected to the spray pipe 6 in a transmission manner.

[0028] In order to further remove harmful substances in the exhaust gas from amino acid production and ensure the exhaust gas treatment effect, an adsorption tank 13 is connected to the top of the exhaust gas treatment chamber 1 through an exhaust pipe 12, and the adsorption tank 13 is filled with activated carbon or molecular sieve 14; preferably, there are two adsorption tanks 13, and the two adsorption tanks 13 are arranged in parallel for easy switching, so that when one adsorption tank 13 is regenerated, the other adsorption tank 13 can continue to work to ensure the continuity of the adsorption operation.

[0029] In actual use, an alkaline solution 11, such as a sodium hydroxide solution or a calcium hydroxide solution, is contained in the spray box 10. A pH meter is installed on the spray box 10 and the amino acid production waste gas discharge pipe 4, so that the pH value of the alkaline solution in the spray box 10 and the amino acid production waste gas can be detected by the pH meter, so as to adjust the pH value of the alkaline solution according to the pH value of the amino acid production waste gas to ensure the effect of the neutralization treatment. A drainage pipe 15 is also connected to the bottom of the waste gas treatment chamber 1, and a steam trap 16 is installed on the drainage pipe 15 to achieve the purpose of steam blocking and drainage, so as to prevent the amino acid production waste gas in the waste gas treatment chamber 1 from overflowing from the drainage pipe 15.

[0030] The utility model provides a waste gas treatment device for amino acid production, and the specific working process is as follows:

[0031] First, the amino acid production waste gas discharged from the amino acid production waste gas discharge pipe 4 is input into the waste gas treatment chamber 1 through the air intake pipe 2, and then the alkaline solution in the spray box 10 is input into the waste gas treatment chamber 1 through the spray pipe 6, and the power equipment I5 and the power equipment II8 are turned on at the same time to drive the air intake pipe 2 and the spray pipe 6 to rotate respectively, so as to realize the dynamic input of the amino acid production waste gas and the alkaline solution, so as to facilitate the comprehensive, uniform and sufficient mixing and contact between the amino acid production waste gas and the alkaline solution, so as to ensure the treatment effect of the waste gas;

[0032] The amino acid production waste gas after spraying treatment then enters the adsorption tank 13, and the harmful substances are further removed through adsorption treatment, so as to further improve the overall treatment effect of the waste gas. Finally, the waste gas is discharged in a centralized manner after being tested to meet the standards.

Claims

1. A waste gas treatment device for amino acid production, characterized in that: It includes an exhaust gas treatment chamber, a vertically arranged air intake pipe is installed at the bottom of the exhaust gas treatment chamber, the bottom of the air intake pipe runs through the exhaust gas treatment chamber from the inside to the outside, and is externally connected to the amino acid production exhaust gas emission pipe through a rotary joint, a horizontally arranged air outlet pipe is installed at the top of the air intake pipe, a plurality of air outlet holes are arranged at the top of the air outlet pipe, a rotary seal is installed at the junction of the air intake pipe and the exhaust gas treatment chamber, and a power device I for driving the air intake pipe to rotate is installed at the bottom of the exhaust gas treatment chamber; A vertically arranged spray pipe is installed on the top of the exhaust gas treatment chamber. The exhaust gas treatment chamber is observed from the inside to the outside through the top of the spray pipe, and an external spray box is connected through a rotating joint. An annular pipe is connected to the bottom of the spray pipe through a plurality of water pipes. A plurality of water outlet holes are arranged at the bottom of the water pipe and the annular pipe. A rotary seal is installed at the junction of the spray pipe and the exhaust gas treatment chamber. A power device II for driving the spray pipe to rotate is installed on the top of the exhaust gas treatment chamber.

2. The waste gas treatment device for amino acid production according to claim 1, characterized in that: An adsorption tank is connected to the top of the exhaust gas treatment chamber through an exhaust pipe. Two adsorption tanks are provided and the two adsorption tanks are arranged in parallel.

3. The waste gas treatment device for amino acid production according to claim 2, characterized in that: The adsorption tank is filled with activated carbon or molecular sieve.

4. The waste gas treatment device for amino acid production according to claim 1, characterized in that: A one-way air jet nozzle is installed on the air outlet pipe at the air outlet.

5. The waste gas treatment device for amino acid production according to claim 1 or 4, characterized in that: One-way water spray nozzles are installed on the water guide pipe and the annular pipe at the water outlet.

6. The waste gas treatment device for amino acid production according to claim 1, characterized in that: The power device I is a motor, and the motor shaft of the motor is drivingly connected to the air intake pipe.

7. The waste gas treatment device for amino acid production according to claim 1 or 6, characterized in that: The power device II is a motor, and the motor shaft of the motor is drivingly connected to the spray pipeline.

8. The waste gas treatment device for amino acid production according to claim 1, characterized in that: The spray box contains alkaline solution, and pH meters are installed on the spray box and the amino acid production waste gas discharge pipeline.

9. The waste gas treatment device for amino acid production according to claim 1, characterized in that: The bottom of the exhaust gas treatment chamber is also connected to a drainage pipe, on which a drain valve is installed.

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