Spraying liquid multi-stage distributor of tail gas absorption tower for eugenol preparation

Abstract

The utility model relates to the field of liquid multi-stage distributor devices, and discloses a spray liquid multi-stage distributor of a tail gas absorption tower for eugenol preparation, which comprises a shell and a tank body, the tank body is arranged at the top end of the shell, a liquid level meter is fixedly connected to the middle of the front end of the shell, a controller is fixedly connected to the other side of the bottom end of the inner side wall of the shell, and the bottom end of the shell is provided with a spray nozzle. The bottom end of the inner side wall of the shell is fixedly connected with the bottom end of the tank body, two observation windows are fixedly connected to the positions, close to the front end, of the side wall of the tank body, a water injection pipe is fixedly connected to the position, close to the upper portion, of the side wall of the tank body, a plurality of nozzles are linearly arrayed on the position, close to the lower portion, of the side wall of the water injection pipe, and a pump is fixedly connected to the side wall of the water injection pipe. According to the spray liquid multi-stage distributor of the tail gas absorption tower for eugenol preparation, the tail gas treatment efficiency is improved by arranging two different filler layers, and meanwhile, the purification efficiency is further improved by utilizing the liquid redistributor.

Description

Technical Field

[0001] The utility model relates to the field of liquid multi-stage distributor devices, in particular to a spray liquid multi-stage distributor of a tail gas absorption tower for preparing eugenol. Background Art

[0002] In the process of preparing eugenol, the spray liquid multi-stage distributor of the tail gas absorption tower is a key component, which is used to evenly distribute the absorbent into the packing layer to improve the efficiency of waste gas treatment. The design of the spray liquid multi-stage distributor needs to consider the principles of fluid mechanics to ensure that the liquid can be evenly distributed throughout the packing layer and avoid local drying or excessive wetting. Reasonable pipeline design, outlet shape and layout will affect the distribution effect of the liquid.

[0003] Although the prior art uses a tail gas absorption tower to treat the tail gas generated during the preparation of eugenol, there is a problem of poor liquid distribution during the spraying of the tail gas, which leads to low efficiency of tail gas purification. Therefore, those skilled in the art provide a multi-stage distributor for spraying liquid in a tail gas absorption tower for eugenol preparation to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art, and to propose a multi-stage distributor for spraying liquid for a tail gas absorption tower for the preparation of eugenol, which provides a multi-stage distributor for spraying liquid for a tail gas absorption tower for the preparation of eugenol, which improves the treatment efficiency of the tail gas by arranging two different packing layers and further improves the purification efficiency by utilizing a liquid redistributor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a multi-stage distributor for spraying liquid of a tail gas absorption tower for preparing eugenol, comprising a shell and a tank body, wherein the tank body is arranged at the top of the shell body, a liquid level gauge is fixedly connected to the middle of the front end of the shell body, a drain pipe is fixedly connected to one side of the shell body, a valve is fixedly connected to one side of the bottom end of the inner side wall of the shell body, a controller is fixedly connected to the other side of the bottom end of the inner side wall of the shell body, and the bottom end of the inner side wall of the shell body is fixedly connected to the bottom end of the tank body;

[0006] Through the above technical solution, the tail gas treatment efficiency is improved by setting up two different packing layers, and the purification efficiency is further improved by using a liquid redistributor.

[0007] Furthermore, the side wall of the tank body is fixedly connected to two observation windows near the front end, the side wall of the tank body is fixedly connected to a water injection pipe at the upper position, the side wall of the water injection pipe is provided with a plurality of nozzles in a linear array at the lower position, the side wall of the water injection pipe is fixedly connected to a pump, the inner wall of the tank body is fixedly connected to a first packing layer at the upper position and below the water injection pipe, the bottom end of the first packing layer is fixedly connected to a liquid redistributor, the inner wall of the shell is fixedly connected to a second packing layer below the liquid redistributor, and the side wall of the tank body is fixedly connected to an air inlet pipe at the lower position;

[0008] Through the above technical scheme, a water injection pipe is arranged on the side wall of the tank body, and pure water is sprayed out through the nozzle on the side wall of the water injection pipe to precipitate harmful substances in the exhaust gas. A liquid redistributor is arranged between the two packing layers. The liquid redistributor is used to evenly redistribute the liquid on the top of the packing layer to improve the phase contact, thereby improving the exhaust gas purification efficiency.

[0009] Furthermore, one end of the drain pipe passes through a side wall of the shell and a valve to communicate with the interior of the tank;

[0010] The above technical solution makes it easy to control the discharge of liquid.

[0011] Furthermore, the bottom end of the inner side wall of the liquid redistributor has a plurality of through holes in a circumferential array;

[0012] Through the above technical solution, the liquid can be effectively redistributed and discharged.

[0013] Furthermore, the two observation windows are located in the same horizontal plane as the first packing layer and the second packing layer respectively;

[0014] The above technical solution makes it easy to observe the condition of the packing layer.

[0015] Furthermore, an exhaust pipe is fixedly connected to the middle of the top end of the tank body;

[0016] Through the above technical solution, the purified gas can be effectively discharged.

[0017] Furthermore, the liquid level gauge penetrates the front end surface of the shell and communicates with the interior of the tank;

[0018] Through the above technical solution, the liquid level in the tank can be effectively observed.

[0019] Furthermore, the controller is electrically connected to the valve and the pump;

[0020] Through the above technical solution, the entire device can be effectively controlled.

[0021] The utility model has the following beneficial effects:

[0022] In the utility model, two packing layers are arranged in the tank body, and harmful substances in the exhaust gas are filtered in turn through the two packing layers, which can effectively improve the treatment efficiency of the exhaust gas. Moreover, the purification effect of the exhaust gas can be improved through two different packing layers, so that the harm of the exhaust gas to the air is minimized.

[0023] In the utility model, a water injection pipe is arranged on the side wall of the tank body, and pure water is sprayed out through a nozzle on the side wall of the water injection pipe to settle harmful substances in the exhaust gas. A liquid redistributor is arranged between two packing layers. The liquid redistributor is used to evenly redistribute the liquid on the top of the packing layer to improve the contact between the phases, thereby improving the purification efficiency of the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a multi-stage distributor of spray liquid for a tail gas absorption tower for preparing eugenol proposed in the utility model;

[0025] Figure 2 It is a cross-sectional view of a multi-stage distributor of spray liquid of a tail gas absorption tower for preparing eugenol proposed in the utility model;

[0026] Figure 3 It is a side view of a multi-stage distributor of spray liquid of a tail gas absorption tower for preparing eugenol proposed in the utility model;

[0027] Figure 4 A three-dimensional diagram of a liquid redistributor of a multi-stage distributor of spray liquid of a tail gas absorption tower for preparing eugenol proposed in the utility model.

[0028] Legend:

[0029] 1. Shell; 101. Drain pipe; 102. Liquid level meter; 103. Valve; 104. Controller; 2. Tank; 201. Observation window; 202. Water injection pipe; 203. Exhaust pipe; 204. Pump; 205. Nozzle; 206. First packing layer; 207. Second packing layer; 208. Inlet pipe; 3. Liquid redistributor; 301. Through hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0031] Reference Figure 1-4The utility model provides an embodiment: a multi-stage distributor for spraying liquid of a tail gas absorption tower for preparing eugenol, comprising a shell 1 and a tank body 2, the tank body 2 is arranged at the top of the shell 1, a liquid level meter 102 is fixedly connected to the middle of the front end of the shell 1, a drain pipe 101 is fixedly connected to one side of the shell 1, a valve 103 is fixedly connected to one side of the bottom end of the inner wall of the shell 1, a controller 104 is fixedly connected to the other side of the bottom end of the inner wall of the shell 1, the bottom end of the inner wall of the shell 1 is fixedly connected to the bottom end of the tank body 2, two packing layers are arranged in the tank body 2, and harmful substances in the tail gas are filtered in turn by the two packing layers, which can effectively improve the treatment efficiency of the tail gas, and the two different packing layers can improve the purification effect of the tail gas, so that the harm of the tail gas to the air is minimized.

[0032] Two observation windows 201 are fixedly connected to the side wall of the tank body 2 at the front end, a water injection pipe 202 is fixedly connected to the upper position of the side wall of the tank body 2, a plurality of nozzles 205 are arranged in a linear array on the side wall of the water injection pipe 202 at the lower position, a pump 204 is fixedly connected to the side wall of the water injection pipe 202, a first packing layer 206 is fixedly connected to the inner wall of the tank body 2 at the upper position and below the water injection pipe 202, a liquid redistributor 3 is fixedly connected to the bottom end of the first packing layer 206, and a liquid redistributor 3 is fixedly connected to the inner wall of the shell 1 and at the liquid A second packing layer 207 is fixedly connected below the redistributor 3, an air inlet pipe 208 is fixedly connected to the lower side wall of the tank body 2, a water injection pipe 202 is arranged on the side wall of the tank body 2, and pure water is sprayed through a nozzle 205 on the side wall of the water injection pipe 202 to precipitate harmful substances in the exhaust gas, and a liquid redistributor 3 is arranged between the two packing layers. The liquid redistributor 3 is used to evenly redistribute the liquid on the top of the packing layer to improve the phase contact, thereby improving the exhaust gas purification efficiency.

[0033] One end of the drain pipe 101 passes through a side wall of the shell 1 and is connected to the interior of the tank body 2 through the valve 103. The bottom end of the inner wall of the liquid redistributor 3 has a plurality of through holes 301 in a circular array. The two observation windows 201 are respectively located in the same horizontal plane as the first packing layer 206 and the second packing layer 207. An exhaust pipe 203 is fixedly connected to the middle of the top of the tank body 2. The liquid level meter 102 passes through the front end face of the shell 1 and is connected to the interior of the tank body 2. The controller 104 is electrically connected to the valve 103 and the pump 204.

[0034] Working principle: two packing layers are arranged in the tank body 2, and harmful substances in the exhaust gas are filtered in turn through the two packing layers, which can effectively improve the treatment efficiency of the exhaust gas, and the two different packing layers can improve the purification effect of the exhaust gas, so that the harm of the exhaust gas to the air is minimized, and a water injection pipe 202 is arranged on the side wall of the tank body 2, and pure water is sprayed through the nozzle 205 on the side wall of the water injection pipe 202 to precipitate the harmful substances in the exhaust gas, and a liquid redistributor 3 is arranged between the two packing layers. The liquid redistributor 3 is used to evenly redistribute the liquid on the top of the packing layer to improve the phase contact, thereby improving the purification efficiency of the exhaust gas.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-stage distributor for spraying liquid of a tail gas absorption tower for preparing eugenol, comprising a shell (1) and a tank (2), wherein the tank (2) is arranged at the top of the shell (1), and is characterized in that: A liquid level meter (102) is fixedly connected to the middle of the front end of the shell (1), a drain pipe (101) is fixedly connected to one side of the shell (1), a valve (103) is fixedly connected to one side of the bottom end of the inner wall of the shell (1), a controller (104) is fixedly connected to the other side of the bottom end of the inner wall of the shell (1), the bottom end of the inner wall of the shell (1) is fixedly connected to the bottom end of the tank body (2), two observation windows (201) are fixedly connected to the side wall of the tank body (2) near the front end, a water injection pipe (202) is fixedly connected to the upper position of the side wall of the tank body (2), and the water injection pipe (202) is fixedly connected to the bottom end of the tank body (2). A plurality of nozzles (205) are arranged in a linear array at a lower position of the side wall of the water injection pipe (202); a pump (204) is fixedly connected to the side wall of the water injection pipe (202); a first packing layer (206) is fixedly connected to the upper position of the inner wall of the tank body (2) and below the water injection pipe (202); a liquid redistributor (3) is fixedly connected to the bottom end of the first packing layer (206); a second packing layer (207) is fixedly connected to the inner wall of the shell (1) and below the liquid redistributor (3); and an air inlet pipe (208) is fixedly connected to the lower position of the side wall of the tank body (2).

2. The multi-stage distributor for spraying liquid of the tail gas absorption tower for preparing eugenol according to claim 1, characterized in that: One end of the drainage pipe (101) passes through a side wall of the shell (1) and a valve (103) and is connected to the interior of the tank (2).

3. The multi-stage distributor for spraying liquid of the tail gas absorption tower for preparing eugenol according to claim 1, characterized in that: The bottom end of the inner wall of the liquid redistributor (3) has a plurality of through holes (301) in a circular array.

4. The multi-stage distributor for spraying liquid of the tail gas absorption tower for preparing eugenol according to claim 2, characterized in that: The two observation windows (201) are located on the same horizontal plane as the first packing layer (206) and the second packing layer (207), respectively.

5. The multi-stage distributor for spraying liquid of the tail gas absorption tower for preparing eugenol according to claim 1, characterized in that: An exhaust pipe (203) is fixedly connected to the middle portion of the top end of the tank body (2).

6. The multi-stage distributor for spraying liquid of the tail gas absorption tower for preparing eugenol according to claim 1, characterized in that: The liquid level meter (102) passes through the front end surface of the shell (1) and is in communication with the interior of the tank body (2).

7. The multi-stage distributor for spraying liquid of the tail gas absorption tower for preparing eugenol according to claim 1, characterized in that: The controller (104) is electrically connected to the valve (103) and the pump (204).

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