Steam tail gas cooling and deodorizing system

Abstract

The utility model relates to the field of tail gas purification equipment, in particular to a steam tail gas cooling and deodorizing system which comprises a cooling tank, a deodorizing tank and an adsorption box, the cooling tank is filled with soft water, and a water injection port and a steam tail gas inlet are formed in the outer wall of the cooling tank; the deodorization tank is filled with polymer bio-enzyme deodorization liquid, and a tail gas outlet and a liquid outlet are formed in the outer wall of the deodorization tank; the adsorption box is filled with activated carbon, and one side of the adsorption box is communicated with the cooling tank through a first communication pipeline; the other side of the adsorption box is communicated with the deodorization tank through a second communication pipeline; and a cooling device is arranged on the outer wall of the second communication pipeline. According to the utility model, the front section adopts vapor-liquid rapid exchange to realize cooling of high-temperature steam tail gas, and the rear section adopts polymer bio-enzyme deodorization liquid as an air purification and deodorization medicament to catalytically decompose harmful substances such as VOC (volatile organic compounds), ammonia gas and the like in the tail gas so as to achieve the purpose of air purification.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas purification equipment field especially relates to a steam tail gas cooling deodorization system. BACKGROUND

[0002] In the process of high temperature sterilization of biological fermentation tank, high temperature disinfection of hospital surgical instruments and high temperature treatment of laboratory equipment, the exhaust tail gas contains harmful substances such as high temperature water vapor, VOC, ammonia gas, etc. The commonly used treatment methods are: (1) physical or chemical adsorption method, the commonly used adsorbent is activated carbon, molecular sieve, silica gel, etc., but there are problems of easy adsorption saturation, loss of adsorbent adsorption capacity, and high cost of hazardous waste treatment of adsorbent. (2) combustion treatment method is a method of introducing tail gas into a combustion furnace to decompose harmful substances into harmless substances at high temperature, which has the advantages of effectively removing various harmful substances, but also has the problems of high energy consumption and emission of a large amount of carbon dioxide. UTILITY MODEL CONTENT

[0003] Based on the above problems, the purpose of the utility model is to provide a steam tail gas cooling deodorization system, the utility model adopts the following technical scheme:

[0004] The utility model provides a steam tail gas cooling deodorization system, which comprises:

[0005] Cooling tank, the cooling tank is filled with soft water, the outer wall of the cooling tank is provided with a water inlet and a steam tail gas inlet, and the steam tail gas inlet is below the liquid level;

[0006] Deodorization tank, the deodorization tank is filled with polybioenzyme deodorization liquid, the outer wall of the deodorization tank is provided with a tail gas outlet and a liquid outlet, the tail gas outlet is above the liquid level, and the liquid outlet is below the liquid level;

[0007] Adsorption box, the adsorption box is filled with activated carbon, one side of the adsorption box is communicated with the cooling tank through a first communication pipeline, and the communication interface of the first communication pipeline with the cooling tank is above the liquid level; the other side of the adsorption box is communicated with the deodorization tank through a second communication pipeline, and the communication interface of the second communication pipeline with the deodorization tank is below the liquid level; the outer wall of the second communication pipeline is provided with a cooling device.

[0008] Preferably, the cooling tank is provided with a first liquid level meter and a water temperature sensor.

[0009] Preferably, the outer wall of the cooling tank is provided with an overflow port, and the overflow port is above the liquid level.

[0010] Preferably, the cooling tank is provided with a plurality of first wire meshes for facilitating gas distribution and diffusion.

[0011] Preferably, the deodorizing tank is equipped with a second level gauge and a pH sensor.

[0012] Preferably, the deodorizing tank has a dosing port on its outer wall.

[0013] Preferably, the deodorizing tank is provided with several second wire meshes to facilitate gas distribution and diffusion.

[0014] Preferably, the cooling device is a spiral coil.

[0015] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0016] This invention employs rapid vapor-liquid exchange in the front section to cool down the high-temperature steam exhaust gas, and uses polymeric bio-enzyme deodorizing liquid as an air purification and deodorizing agent in the rear section to catalytically decompose harmful substances such as VOCs and ammonia in the exhaust gas, thereby achieving the purpose of air purification. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the steam exhaust gas cooling and deodorization system of this utility model.

[0019] Explanation of reference numerals in the attached diagram: 1. Cooling tank; 2. Water inlet; 3. Steam exhaust gas inlet; 4. Deodorizing tank; 5. Exhaust gas outlet; 6. Drain outlet; 7. Adsorption box; 8. First connecting pipe; 9. Second connecting pipe; 10. Cooling device; 11. First level gauge; 1101. Water temperature sensor; 12. Overflow outlet; 13. First wire mesh; 14. Second level gauge; 1401. pH sensor; 15. Chemical dosing port; 16. Second wire mesh. Detailed Implementation

[0020] To make the technical problems, technical solutions and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1 As shown in the figure, this embodiment discloses a steam exhaust gas cooling and deodorization system, characterized in that it includes a cooling tank 1, a deodorization tank 4, and an adsorption box 7.

[0022] Cooling tank 1 is filled with soft water. The outer wall of cooling tank 1 is provided with a water inlet 2 and a steam exhaust gas inlet 3, which is located below the liquid surface. Deodorizing tank 4 is filled with polymeric bio-enzyme deodorizing liquid. The outer wall of deodorizing tank 4 is provided with an exhaust gas outlet 5 and a drain outlet 6. The exhaust gas outlet 5 is located above the liquid surface, and the drain outlet 6 is located below the liquid surface. The outer wall of deodorizing tank 4 is also provided with a chemical dosing port 15.

[0023] The polymeric bioenzyme is a high-activity material formed by special process of polymeric active ingredients such as grain extracts (soybean, rice husk, wheat husk, etc.), persimmon extracts, bamboo extracts, wormwood extracts, coltsfoot extracts, natural mineral components (shell, eggshell burning materials) and submarine deposits, and a deep-sea microbial flora (including various aerobic and anaerobic flora), and has the functions of deodorization, antibacterial environmental protection and environmental purification.

[0024] The adsorption tank 7 is filled with activated carbon, one side of the adsorption tank 7 is communicated with the cooling tank 1 through a first communication pipeline 8, and the communication interface of the first communication pipeline 8 with the cooling tank 1 is located above the liquid level; the other side of the adsorption tank 7 is communicated with the deodorization tank 4 through a second communication pipeline 9, and the communication interface of the second communication pipeline 9 with the deodorization tank 4 is located below the liquid level; and a cooling device 10 is arranged on the outer wall of the second communication pipeline 9.

[0025] In the embodiment, the first liquid level meter 11 and the water temperature sensor 1101 are arranged in the cooling tank 1, and the second liquid level meter 14 and the PH value sensor 1401 are arranged in the deodorization tank 4; the first liquid level meter 11, the water temperature sensor 1101, the second liquid level meter 14 and the PH value sensor 1401 are electrically connected with the controller.

[0026] In the embodiment, the overflow port 12 is arranged on the outer wall of the cooling tank 1, and the high-temperature water vapor contained in the tail gas is cooled to form water droplets in the cooling tank 1 and is stored in the cooling tank 1, so that the water level in the cooling tank 1 continuously rises, and therefore the overflow port 12 is designed to ensure that the water level in the cooling tank 1 is at a proper position.

[0027] In the embodiment, the first wire mesh 13 is arranged in the cooling tank 1, and the function of the first wire mesh 13 is to make the steam tail gas quickly distribute into the water body after entering the cooling tank 1, so as to ensure that the gas and the liquid are fully mixed. In the embodiment, the first wire mesh 13 is arranged vertically, and the edge of the first wire mesh 13 is connected with the inner wall of the cooling tank 1.

[0028] In the embodiment, the second wire mesh 16 is arranged in the deodorization tank 4, and the function of the second wire mesh 16 is to make the remaining tail gas quickly distribute into the deodorization liquid after entering the deodorization tank 4, so as to ensure that the gas and the liquid are fully mixed. In the embodiment, the second wire mesh 16 is arranged vertically, and the edge of the second wire mesh 16 is connected with the inner wall of the deodorization tank 4.

[0029] In the embodiment, the cooling device 10 is a spiral coil pipe, and the spiral coil pipe is connected with a water supply device.

[0030] The working process of the utility model is as follows:

[0031] First, the water inlet 2 is connected with two water supply pipes (one is A and the other is B), and control valves are installed on the two water supply pipes. The steam tail gas inlet 3 is connected with a tail gas pipe, and the overflow port 12 is connected with an overflow pipe. Control valves are installed on the water supply pipes. The dosing port 15 is connected with a dosing tank through a dosing pipe, and the liquid outlet 6 is connected with a waste liquid pipe. Control valves are installed on the dosing pipe and the waste liquid pipe. The cooling device 10 is connected with a water supply device, and the tail gas outlet 5 is directly connected with the external environment. 。

[0032] (1) Temperature automatic control

[0033] When the water temperature in the cooling tank 1 is higher than 45℃, the control valve on the water supply pipe A is opened; when the water temperature is lower than 30℃, the control valve on the water supply pipe A is closed.

[0034] When the water temperature in the deodorizing tank 4 is higher than 35℃, the water supply device starts to cool the tail gas in the second communication pipe 9 through the cooling device 10; when the water temperature is lower than 25℃, the water supply device stops.

[0035] (2) Liquid level automatic control

[0036] When the liquid level in the cooling tank 1 is lower than the lowest monitoring point set by the first liquid level meter 11, the control valve on the water supply pipe B is opened; when the liquid level in the cooling tank 1 reaches the highest monitoring point set by the first liquid level meter 11, the control valve on the water supply pipe B is closed; during the cooling process of the cooling tank, the control valve on the water supply pipe A remains open, and the liquid level may exceed the highest liquid level monitoring point of the first liquid level meter 11, and finally overflow drainage is realized through the overflow port 12 to continuously cool until the water temperature is lower than 30℃, and the control valve on the water supply pipe A is closed. When the liquid level in the deodorizing tank 4 is lower than the lowest monitoring point set by the second liquid level meter 14, the control valve on the dosing pipe is opened; when the liquid level in the deodorizing tank 4 is higher than the highest monitoring point set by the second liquid level meter 14, the control valve on the dosing pipe is closed.

[0037] (3) PH value control

[0038] When the PH value in the deodorizing tank 4 is ≥9.5, the control valve on the waste liquid pipe is opened. When the PH value in the deodorizing tank 4 is ≤6.5, the control valve on the waste liquid pipe is closed.

[0039] The first liquid level meter 11, the water temperature sensor 1101, the second liquid level meter 14 and the PH value sensor 1401 feed back detection signals to the controller, and the controller controls the opening or closing of each valve.

[0040] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A vapor tail gas cooling deodorization system characterized by, The utility model relates to a kind of multi-stage biological enzyme deodorization system, comprising: Cooling tank (1), soft water is filled in the cooling tank (1), water inlet (2) and steam tail gas import (3) are provided on the outer wall of the cooling tank (1), the steam tail gas import (3) is below liquid level; Deodorization tank (4), polymeric biological enzyme deodorization liquid is filled in the deodorization tank (4), tail gas outlet (5) and liquid discharge port (6) are provided on the outer wall of the deodorization tank (4), the tail gas outlet (5) is above liquid level, the liquid discharge port (6) is below liquid level; Adsorption box (7), activated carbon is filled in the adsorption box (7), one side of the adsorption box (7) is communicated with the cooling tank (1) by first communication pipeline (8), the communication interface of the first communication pipeline (8) and the cooling tank (1) is above liquid level;The other side of the adsorption box (7) is communicated with the deodorization tank (4) by second communication pipeline (9), the communication interface of the second communication pipeline (9) and the deodorization tank (4) is below liquid level;Cooling device (10) is provided on the outer wall of the second communication pipeline (9).

2. The vapor tail gas cooling deodorization system of claim 1, wherein: First liquid level meter (11) and water temperature sensor (1101) are provided in the cooling tank (1).

3. The vapor tail gas cooling deodorization system of claim 1, wherein: Overflow port (12) is provided on the outer wall of the cooling tank (1).

4. The vapor tail gas cooling deodorization system of claim 1, wherein: A plurality of first wire meshes (13) for facilitating gas distribution and diffusion are provided in the cooling tank (1).

5. The vapor tail gas cooling deodorization system of claim 1, wherein: Second liquid level meter (14) and PH value sensor (1401) are provided in the deodorization tank (4).

6. The vapor tail gas cooling deodorization system of claim 1, wherein: Medicine inlet (15) is provided on the outer wall of the deodorization tank (4).

7. The vapor tail gas cooling deodorization system of claim 1, wherein: A plurality of second wire meshes (16) for facilitating gas distribution and diffusion are provided in the deodorization tank (4).

8. The vapor tail gas cooling deodorization system of claim 1, wherein: The cooling device (10) is a spiral coil.

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