Butyl octanol tail gas recovery device with condensation function

Abstract

The utility model relates to the technical field of butyl octanol tail gas recovery devices, and discloses a butyl octanol tail gas recovery device with a condensation function, which comprises a condensation tank, a filter, a water return pipe, a cooler, a water pump, a water delivery pipe and a water replenishing pipe, and the cooler flange is connected to one end of the water return pipe. According to the butanol and octanol tail gas recovery device with the condensation function, the water return pipe is pumped out of the condensation box through the water pump, the temperature is reduced through the cooler, then water is conveyed into the condensation box through the water conveying pipe, and the water is supplemented through the water supplementing pipe, so that liquid in the condensation box can be recycled, and resources are saved; and the fixing bolts are connected with the screws of the mounting frame, and the filter plate and the mounting frame are mounted, so that liquid in the water return pipe is filtered, the condition of recycling is achieved, and the situation that the cooler is damaged by cooling liquid impurities is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of butanol tail gas recovery devices, in particular to a butanol tail gas recovery device with a condensing function. Background Art

[0002] The industrial synthesis method of butanol mostly adopts the carbonyl synthesis method, specifically using propylene as the starting reaction raw material to synthesize butanol. During the industrial synthesis of butanol, a large amount of tail gas can be produced, and the tail gas contains a large amount of propylene propane and incompletely reacted butyraldehyde.

[0003] According to publication number CN210145784U, a condensation recovery device for butyl octanol tail gas is disclosed, including a condensing tank, which is connected with a cooling liquid input pipe and a cooling liquid output pipe; a cold core for cooling butyl octanol tail gas is arranged in the condensing tank; the cold core includes a spiral tube, which has a top pipe opening and a bottom pipe opening; the top pipe opening is connected with a top liquid storage ball, the top liquid storage ball is connected with an air intake pipe, the top liquid storage ball is located in the condensing tank, and the bottom pipe opening is connected with a condensing liquid pipe, and one end of the condensing liquid pipe is connected with a bottom liquid storage ball after passing through the bottom of the condensing tank, and the bottom liquid storage ball is connected with a condensing liquid adsorption device. In the above-mentioned device structure, the tail gas is liquefied into liquid through the spiral tube, the top liquid storage ball, and the condensing tank design, which is convenient for recycling and storage. At the same time, through the design of the above-mentioned auxiliary absorption tower and the main absorption tower, the impurity removal of the condensing liquid is increased, the cleanliness of the condensing liquid is increased, and the separation and recovery effect of the subsequent separation and recovery condensing liquid recovery process is increased.

[0004] However, the above device still has shortcomings. By using the auxiliary absorption tower and the main absorption tower design, the condensate is removed from impurities and the cleanliness of the condensate is increased, but the liquid used to condense the exhaust gas is not recycled, resulting in a waste of resources. Utility Model Content

[0005] The utility model aims to provide a butanol tail gas recovery device with a condensing function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a butyl octanol tail gas recovery device with a condensing function, comprising a condensing box, a filter, a return pipe, a cooler, a water pump, a water pipe and a water supply pipe, wherein the filter is arranged at one end of the condensing box, the return pipe is arranged inside the filter, the cooler flange is connected to one end of the return pipe, the water pump screw is connected to the bottom of the cooler, the water supply pipe flange is connected to the top of the cooler, and the water supply pipe flange is connected to one side of the cooler. Liquid is extracted from the condensing box by using a water pump, cooled by using a cooler, and then input into the condensing box through the water supply pipe, and water is supplemented by using a water supply pipe. A drain pipe is arranged on the other side of the condensing box to discharge the coolant that has been circulated for a long time.

[0007] Preferably, the condensation box includes a box body, an air inlet pipe, a condensation pipe and an air outlet pipe. The air inlet pipe flange is connected to one end of the box body, and the air outlet pipe flange is connected to the other end of the box body. The condensation pipe is arranged inside the box body. The exhaust gas enters through the air inlet pipe, is processed by the condensation pipe, and is then discharged through the air outlet pipe.

[0008] Preferably, the condenser includes a tube body and heat exchange fins, one end of the tube body is connected to the intake pipe flange, and the other end of the tube body is connected to the outlet pipe flange, and the heat exchange fins are arranged on the outside of the tube body. The heat exchange area of ​​the tube body is increased by using the heat exchange fins, so that the exhaust gas can undergo a better condensation reaction.

[0009] Preferably, the filter includes a mounting plate, a fixing bolt, a pull-out handle, a filter plate and a mounting bracket, the mounting bracket is arranged on the outside of the return pipe, the filter plate is plugged and connected to the inside of the mounting bracket, the mounting plate is fixedly connected to one end of the filter plate, the pull-out handle is fixedly connected to one side of the mounting plate, the fixing bolt is screwed to both ends of the mounting plate, and the filter plate is installed with the mounting bracket by using the fixing bolt to connect with the screw of the mounting bracket, so as to filter the liquid inside the return pipe, thereby achieving recycling and avoiding damage to the cooler caused by impurities in the coolant.

[0010] Preferably, a sealing gasket is arranged inside the mounting frame, so that leakage does not occur when the return pipe passes through the filter for filtering, thereby ensuring the sealing performance of the device.

[0011] Preferably, the condenser is in the shape of a multi-section U-shaped combination, which can be installed in the condensation box with the maximum length, so that the exhaust gas has a longer time to condense.

[0012] Preferably, a heat dissipation groove is provided on one side of the cooler, through which the cooler can dissipate heat to the machine during use, thereby increasing the service life of the device and ensuring the efficiency of the condensation cycle.

[0013] Preferably, the heat exchange fins are made of circular copper sheets, and the condensation efficiency of the condenser tube is improved by the good thermal conductivity of the copper sheets.

[0014] Preferably, a maintenance compartment is provided on the top of the box body, through which the staff can quickly perform maintenance on the condenser tube to ensure the efficiency of exhaust gas condensation.

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

[0016] 1. The butanol tail gas recovery device with condensation function uses a water pump to extract liquid from the condensation box, uses a cooler to cool it, and then inputs it into the condensation box through a water pipe. The water is supplemented by a water supply pipe, so that the liquid in the condensation box can be recycled and resources are saved.

[0017] 2. The butyl octanol tail gas recovery device with condensing function is connected with the screws of the mounting frame by using the fixing bolts to install the filter plate and the mounting frame, so as to filter the liquid inside the return pipe, thereby achieving recycling and avoiding damage to the cooler caused by impurities in the coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of the condensation box of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the condenser tube of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the filter of the utility model.

[0022] In the figure: 1. condenser box; 2. filter; 3. return pipe; 4. cooler; 5. water pump; 6. water pipe; 7. water supply pipe; 101. box body; 102. air inlet pipe; 103. condenser pipe; 104. air outlet pipe; 105. pipe body; 106. heat exchange fin; 107. maintenance compartment; 201. mounting plate; 202. fixing bolt; 203. pull-out handle; 204. filter plate; 205. mounting frame. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4The utility model provides a technical solution: a butyl octanol tail gas recovery device with a condensing function, comprising a condensing box 1, a filter 2, a return pipe 3, a cooler 4, a water pump 5, a water pipe 6 and a water supply pipe 7. The filter 2 is arranged at one end of the condensing box 1, the return pipe 3 is arranged inside the filter 2, the cooler 4 is flange-connected to one end of the return pipe 3, the water pump 5 is screw-connected to the bottom of the cooler 4, the water pipe 6 is flange-connected to the top of the cooler 4, and the water supply pipe 7 is flange-connected to one side of the cooler 4. Liquid is extracted from the condensing box 1 by using the water pump 5, cooled by the cooler 4, and then input into the condensing box 1 through the water pipe 6, and water is supplemented by the water supply pipe 7. A drain pipe is arranged on the other side of the condensing box 1 to discharge the cooling liquid that has been circulated for a long time. A heat dissipation groove is provided on one side of the cooler 4. The heat dissipation groove enables the cooler 4 to dissipate heat to the machine during use, thereby increasing the service life of the device and ensuring the efficiency of condensation circulation.

[0025] The condenser box 1 includes a box body 101, an air inlet pipe 102, a condenser pipe 103 and an air outlet pipe 104. The air inlet pipe 102 is flange-connected to one end of the box body 101, and the air outlet pipe 104 is flange-connected to the other end of the box body 101. The condenser pipe 103 is arranged inside the box body 101. The exhaust gas enters through the air inlet pipe 102, is processed through the condenser pipe 103, and is then discharged through the air outlet pipe 104. The condenser pipe 103 includes a tube body 105 and a heat exchange fin 106. One end of the tube body 105 is flange-connected to the air inlet pipe 102, and the other end of the tube body 105 is flange-connected to the air outlet pipe 104. The heat exchange fin 106 is provided Placed on the outside of the tube body 105, the heat exchange fins 106 are used to increase the heat exchange area of ​​the tube body 105, so that the exhaust gas can better undergo condensation reaction. The shape of the condenser tube 103 is a multi-section U-shaped combination, which can be installed in the condensation box 1 with the maximum length, so that the exhaust gas has a longer time to condense. The heat exchange fins 106 are made of round copper sheets. The good thermal conductivity of the copper sheets can improve the condensation efficiency of the condenser tube 103. A maintenance compartment 107 is provided on the top of the box body 101. The maintenance compartment 107 allows the staff to quickly perform maintenance on the condenser tube 103 to ensure the efficiency of exhaust gas condensation.

[0026] The filter 2 includes a mounting plate 201, a fixing bolt 202, a pull-out handle 203, a filter plate 204 and a mounting frame 205. The mounting frame 205 is arranged on the outside of the return pipe 3, and the filter plate 204 is plugged and connected to the inside of the mounting frame 205. The mounting plate 201 is fixedly connected to one end of the filter plate 204, and the pull-out handle 203 is fixedly connected to one side of the mounting plate 201. The fixing bolt 202 is screwed to both ends of the mounting plate 201. By using the fixing bolt 202 to connect with the screws of the mounting frame 205, the filter plate 204 and the mounting frame 205 are installed, so that the liquid inside the return pipe 3 is filtered, so as to achieve recycling and avoid damage to the cooler 4 caused by impurities in the coolant. A sealing gasket is arranged inside the mounting frame 205, and the sealing gasket prevents leakage from occurring when the return pipe 3 is filtered through the filter 2, thereby ensuring the sealing performance of the device.

[0027] When in use, the butanol tail gas is input into the condensation box 1 through the air inlet pipe 102, enters the condensation pipe 103, and reacts with the liquid in the box body 101 through the heat exchange fins 106, so that the butanol tail gas is cooled and condensed. The liquid in the box body 101 is filtered by the filter 2 on the return pipe 3 through the action of the water pump 5 and then enters the cooler 4 for cooling. The cooled water enters the box body 101 again to condense the butanol tail gas, thereby achieving the effect of recycling and saving resources.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A butanol tail gas recovery device with condensation function, comprising a condensation tank (1), a filter (2), a return pipe (3), a cooler (4), a water pump (5), a water pipe (6) and a water supply pipe (7), characterized in that: The filter (2) is arranged at one end of the condenser (1), the return pipe (3) is arranged inside the filter (2), the cooler (4) is flange-connected to one end of the return pipe (3), the water pump (5) is screw-connected to the bottom of the cooler (4), the water delivery pipe (6) is flange-connected to the top of the cooler (4), and the water supply pipe (7) is flange-connected to one side of the cooler (4).

2. The butyl octanol tail gas recovery device with condensation function according to claim 1, characterized in that: The condensation box (1) comprises a box body (101), an air inlet pipe (102), a condensation pipe (103) and an air outlet pipe (104); the air inlet pipe (102) is flange-connected to one end of the box body (101), the air outlet pipe (104) is flange-connected to the other end of the box body (101), and the condensation pipe (103) is arranged inside the box body (101).

3. The device for recovering butanol tail gas with condensation function according to claim 2, characterized in that: The condenser tube (103) comprises a tube body (105) and a heat exchange fin (106); one end of the tube body (105) is flange-connected to an air inlet pipe (102); the other end of the tube body (105) is flange-connected to an air outlet pipe (104); and the heat exchange fin (106) is arranged outside the tube body (105).

4. The device for recovering butanol tail gas with condensation function according to claim 1, characterized in that: The filter (2) comprises a mounting plate (201), a fixing bolt (202), a pull-out handle (203), a filter plate (204) and a mounting frame (205); the mounting frame (205) is arranged outside the return pipe (3); the filter plate (204) is plug-connected to the inside of the mounting frame (205); the mounting plate (201) is fixedly connected to one end of the filter plate (204); the pull-out handle (203) is fixedly connected to one side of the mounting plate (201); and the fixing bolt (202) is screw-connected to both ends of the mounting plate (201).

5. The device for recovering butanol tail gas with condensation function according to claim 4, characterized in that: A sealing gasket is arranged inside the mounting frame (205).

6. The device for recovering butanol tail gas with condensation function according to claim 2, characterized in that: The condenser tube (103) is in the shape of a combination of multiple U-sections.

7. The device for recovering butanol tail gas with condensation function according to claim 1, characterized in that: A heat dissipation groove is provided on one side of the cooler (4).

8. The device for recovering butanol tail gas with condensation function according to claim 3, characterized in that: The heat exchange fins (106) are made of round copper sheets.

9. The device for recovering butanol tail gas with condensation function according to claim 2, characterized in that: A maintenance compartment (107) is provided on the top of the box body (101).

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