Liquid distributor of benzylamine rectifying tower

Abstract

The utility model relates to the technical field of benzylamine rectification, and provides a benzylamine rectifying tower liquid distributor which comprises a rectifying tower body, and the manhole body is fixedly connected to the outer surface of the rectifying tower body. According to the utility model, firstly, the connecting pipeline is connected to the unrectified benzylamine storage box, then benzylamine liquid flows into the filter box body through the connecting pipeline, flows into the liquid inlet pipe through the filter box body, flows into the main pipe from the liquid inlet pipe, and is conveyed into the plurality of transverse pipes through the main pipe, so that the benzylamine liquid flows into the plurality of transverse pipes due to pressure difference; benzylamine liquid uniformly flows into the rectifying tower body through the first opening, the second opening and the third opening formed in the bottom of the transverse pipe, the benzylamine liquid is uniformly distributed on the plurality of tower plates, and the gas-liquid contact area can be increased due to uniform liquid distribution, so that the liquid distributor can be better utilized for feeding, and the gas-liquid separation efficiency is improved. The unrectified benzylamine liquid can be uniformly sprayed out, and the rectification quality of the benzylamine liquid is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to benzylamine rectification technical field especially, relate to a kind of benzylamine rectification tower liquid distributor. BACKGROUND

[0002] Benzylamine is an important chemical raw material and intermediate, it has wide application in medicine, pesticide, dye and other fields, for example, it can be used to synthesize certain drug, pesticide and as catalyst etc..In addition, benzylamine can also be used to prepare other nitrogen-containing compounds.

[0003] Although present technology has many advantages, but the disadvantage of present technology is that, cannot better utilize liquid distributor feeding, cannot uniformly spray out the benzylamine liquid that is not rectified, the rectification quality of benzylamine liquid is affected, and the benzylamine liquid that is not rectified often contains solid particles or impurities, cannot be filtered, reduce the practicability of liquid distributor. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the prior art in existence cannot better utilize liquid distributor feeding, cannot uniformly spray out the benzylamine liquid that is not rectified, the rectification quality of benzylamine liquid is affected, and the benzylamine liquid that is not rectified often contains solid particles or impurities, cannot be filtered, reduce the practicality of liquid distributor.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of benzylamine rectification tower liquid distributor, for installation in rectification tower body inside, the rectification tower body is equipped with manhole body, including:

[0006] Fixed link is fixedly connected to the inner wall one side of rectification tower body near top, and the bottom of fixed link is fixedly installed with main pipe;

[0007] Multiple transverse pipes are fixedly connected to the inside of main pipe, and the outer surface of multiple transverse pipes is all equipped with first aperture;

[0008] Second aperture is equipped on the outer surface of transverse pipe;

[0009] Third aperture is equipped on the outer surface of transverse pipe;

[0010] Liquid inlet pipe is fixedly connected to one end of main pipe.

[0011] As a preferred implementation, the outer surface of rectification tower body is fixedly connected with two sight glasses, and the outer surface of rectification tower body is fixedly connected with air inlet pipe.

[0012] The technical effect of the above further scheme is that the two sight glasses facilitate close-range observation of the rectification process inside the rectification tower body.

[0013] As a preferred implementation, the inner wall of the rectifying tower body is fixedly connected with a plurality of tower plates.

[0014] The technical effect of the further scheme is that the benzylamine liquid is uniformly distributed on the plurality of tower plates through the drainage of the plurality of tower plates.

[0015] As a preferred implementation, one end of the liquid inlet pipe is fixedly connected with a filter box body, and the inner wall of the filter box body is slidably connected with a filter screen plate on both sides.

[0016] The technical effect of the further scheme is that after flowing into the filter box body through the connecting pipeline, the filter screen plate is used to filter the benzylamine liquid, so that solid particles and impurities are separated out, thereby completing the filtering operation.

[0017] As a preferred implementation, the top of the filter screen plate is fixedly connected with a pull-out plate, and one side of the outer surface of the filter box body is fixedly connected with a connecting pipeline.

[0018] The technical effect of the further scheme is that the filter screen plate is pulled out as a whole through the pull-out plate, and then the filter screen plate is quickly replaced.

[0019] As a preferred implementation, the outer surface of the pull-out plate is provided with a plurality of bolt bodies.

[0020] The technical effect of the further scheme is that the pull-out plate is installed through the plurality of bolt bodies.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0022] The utility model first connects a connecting pipe to an unrectified benzylamine storage tank, then allows benzylamine liquid to flow into a filter box through the connecting pipe, then flows through a liquid inlet pipe through the filter box, flows into the interior of a main pipe from the liquid inlet pipe, and then transmits the benzylamine liquid to a plurality of transverse pipes through the main pipe. Due to a pressure difference, the benzylamine liquid begins to flow evenly into the interior of a distillation tower through a first opening, a second opening, and a third opening provided at the bottom of the transverse pipe. Through drainage of a plurality of tower plates, the benzylamine liquid is evenly distributed on the plurality of tower plates, and the even liquid distribution can increase the gas-liquid contact area. , thereby enhancing the mass transfer effect and improving the separation efficiency. The distillation tower body utilizes the boiling point difference of different components to vaporize the low-boiling-point component first by heating, and then separate it from the high-boiling-point component by condensation. Multiple partial vaporization and condensation are carried out through multiple tower plates to gradually improve the purity of the product. The manhole body is convenient for manual entry into the distillation tower body for maintenance and inspection. The two sight glasses are convenient for close observation of the distillation process inside the distillation tower body, so that better utilization of the liquid distributor can be achieved. The undistilled benzylamine liquid can be evenly sprayed out, thereby improving the distillation quality of the benzylamine liquid.

[0023] The utility model prevents a plurality of transverse pipes from being clogged by impurities. After the benzylamine liquid flows into the interior of the filter box through the connecting pipe, the filter screen is used to filter the benzylamine liquid, and solid particles and impurities are separated, thereby completing the filtering operation. When the filter screen needs to be replaced, the staff uses a tool to twist off a plurality of bolt bodies in turn, and pulls out the filter screen as a whole through the pull-out plate. Then, the filter screen is quickly replaced and inserted into the filter box immediately. The pull-out plate is installed again using the plurality of bolt bodies, thereby achieving the filtering process and improving the practicality of the liquid distributor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the main structure of a liquid distributor for a benzylamine distillation tower provided by the utility model;

[0025] Figure 2 A side structural diagram of a benzylamine distillation tower liquid distributor provided by the utility model;

[0026] Figure 3 A schematic cross-sectional view of a liquid distributor for a benzylamine distillation tower provided by the present invention;

[0027] Figure 4 A schematic diagram of the internal structure of a liquid distributor for a benzylamine distillation tower provided by the utility model;

[0028] Figure 5 A schematic diagram of the top view of a liquid distributor for a benzylamine distillation tower provided by the utility model;

[0029] Figure 6The utility model provides a kind of benzylamine rectifying column liquid distributor's transverse pipe 106 structural schematic diagram.

[0030] Legend:

[0031] 1, rectifying column body;101, manhole body;102, sight glass;103, air inlet pipe;104, liquid inlet pipe;105, fixed rod;106, transverse pipe;107, main pipe;108, first opening;109, second opening;110, third opening;111, tray;2, filter box body;201, connecting pipeline;202, filter screen;203, bolt body;204, pull plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Embodiment 1, please refer to Figures 1-6 The utility model provides a kind of technical solutions: a kind of benzylamine rectifying column liquid distributor, for being installed in rectifying column body 1 inside, rectifying column body 1 is equipped with manhole body 101: fixed rod 105, fixedly connected to the inner wall side of rectifying column body 1 near top, and the bottom of fixed rod 105 is fixedly installed with main pipe 107;Multiple transverse pipes 106, fixedly connected to the inside of main pipe 107, and the outer surface of multiple transverse pipes 106 is all equipped with first opening 108;Second opening 109, is equipped on the outer surface of transverse pipe 106;Third opening 110, is equipped on the outer surface of transverse pipe 106;Liquid inlet pipe 104, is fixedly connected on one end of main pipe 107, the outer surface of rectifying column body 1 is fixedly connected with two sight glasses 102, rectifying column body 1 The outer surface is fixedly connected with air inlet pipe 103, the inner wall of rectifying column body 1 is fixedly connected with multiple trays 111.

[0034] In this embodiment, first, the connecting pipe 201 is connected to the benzylamine storage tank without rectification, then the benzylamine liquid flows into the filter box 2 through the connecting pipe 201, and then flows into the liquid inlet pipe 104 through the filter box 2, and then flows into the main pipe 107, and then the benzylamine liquid is transmitted to the plurality of horizontal pipes 106 through the main pipe 107, due to the pressure difference, the benzylamine liquid starts to flow uniformly into the rectification tower body 1 through the first opening 108, the second opening 109 and the third opening 110 opened at the bottom of the horizontal pipe 106, and the benzylamine liquid is uniformly distributed on the plurality of tower plates 111 through the drainage of the plurality of tower plates 111. The uniform liquid distribution can increase the gas-liquid contact area, thereby enhancing the mass transfer effect and improving the separation efficiency. The rectification tower body 1 utilizes the boiling point difference of different components to make the low-boiling-point component vaporize first by heating, and then separates it from the high-boiling-point component by condensation. Through multiple partial vaporization and condensation on the plurality of tower plates 111, the purity of the product is gradually improved. The manhole body 101 facilitates manual access to the rectification tower body 1 for maintenance and detection, and the two sight glasses 102 facilitate close observation of the rectification process inside the rectification tower body 1, thereby achieving better utilization of the liquid distributor, uniform spraying of the benzylamine liquid without rectification, and improved benzylamine liquid rectification quality.

[0035] As shown in Figure 2, one end of the liquid inlet pipe 104 is fixedly connected with the filter box 2, the inner walls of the filter box 2 are slidably connected with the filter screen plate 202, the top of the filter screen plate 202 is fixedly connected with the pull-out plate 204, one side of the outer surface of the filter box 2 is fixedly connected with the connecting pipe 201, and the outer surface of the pull-out plate 204 is provided with a plurality of bolt bodies 203. Figures 1-6 In this embodiment, in order to prevent the plurality of horizontal pipes 106 from being blocked by impurities, after the benzylamine liquid flows into the filter box 2 through the connecting pipe 201, the filter screen plate 202 is used to filter the benzylamine liquid to separate out solid particles and impurities, thereby completing the filtration operation. When it is necessary to replace the filter screen plate 202, the staff member successively twists down the plurality of bolt bodies 203 with a tool, pulls out the filter screen plate 202 as a whole through the pull-out plate 204, quickly replaces the filter screen plate 202, immediately inserts the filter screen plate 202 into the filter box 2, and then installs the pull-out plate 204 by using the plurality of bolt bodies 203 again, thereby achieving the filtration treatment and improving the practicability of the liquid distributor.

[0036]

[0037] ​Working principle: in use, first connect the connecting pipe 201 to the benzylamine storage tank without rectification, then make the benzylamine liquid flow into the filter box 2 through the connecting pipe 201, and then flow into the liquid inlet pipe 104 through the filter box 2, and then flow into the main pipe 107, and then transmit the benzylamine liquid to the multiple horizontal pipes 106 through the main pipe 107, due to the pressure difference, the benzylamine liquid starts to flow into the rectification tower body 1 through the first opening 108, the second opening 109 and the third opening 110 opened at the bottom of the horizontal pipe 106, and the benzylamine liquid is uniformly distributed on the multiple tower plates 111 through the drainage of the multiple tower plates 111. The uniform liquid distribution can improve the gas-liquid contact area, thereby enhancing the mass transfer effect and improving the separation efficiency. The rectification tower body 1 utilizes the boiling point difference of different components to make the low boiling point component vaporize first by heating, and then separates it from the high boiling point component by condensation. Through multiple tower plates 111, the purity of the product is gradually improved. The manhole body 101 facilitates manual access to the rectification tower body 1 for maintenance and detection, and the two sight glasses 102 facilitate close observation of the rectification process inside the rectification tower body 1, so that the liquid distributor can be better utilized, the benzylamine liquid can be uniformly sprayed out, and the rectification quality of the benzylamine liquid is improved. In order to prevent the multiple horizontal pipes 106 from being blocked by impurities, after the benzylamine liquid flows into the filter box 2 through the connecting pipe 201, the filter screen 202 is used to filter the benzylamine liquid to separate out solid particles and impurities, thereby completing the filtering operation. When the filter screen 202 needs to be replaced, the worker successively twists down the multiple bolt bodies 203 with tools, pulls out the filter screen 202 as a whole through the pull-out plate 204, then quickly replaces the filter screen 202, and then inserts the filter screen 202 into the filter box 2, and then installs the pull-out plate 204 with the multiple bolt bodies 203, thereby achieving the filtering treatment, and improving the practicality of the liquid distributor.

Claims

1. A benzylamine distillation tower liquid distributor, for installation inside a distillation tower body (1), wherein the distillation tower body (1) is provided with a manhole body (101), characterized in that: Also includes: A fixed rod (105) is fixedly connected to a side of the inner wall of the distillation tower body (1) near the top, and a main pipe (107) is fixedly installed at the bottom of the fixed rod (105); A plurality of transverse tubes (106) are fixedly connected to the interior of the main tube (107), and the outer surfaces of the plurality of transverse tubes (106) are each provided with a first opening (108); A second opening (109) is provided on the outer surface of the transverse tube (106); a third opening (110) formed on the outer surface of the transverse tube (106); The liquid inlet pipe (104) is fixedly connected to one end of the main pipe (107).

2. A benzylamine distillation tower liquid distributor according to claim 1, characterized in that: Two sight glasses (102) are fixedly connected to the outer surface of the distillation tower body (1), and an air inlet pipe (103) is fixedly connected to the outer surface of the distillation tower body (1).

3. A benzylamine distillation tower liquid distributor according to claim 1, characterized in that: A plurality of trays (111) are fixedly connected to the inner wall of the distillation tower body (1).

4. The liquid distributor for a benzylamine distillation tower according to claim 1, wherein: One end of the liquid inlet pipe (104) is fixedly connected to the filter box body (2), and both sides of the inner wall of the filter box body (2) are slidably connected to filter screen plates (202).

5. A benzylamine distillation tower liquid distributor according to claim 4, characterized in that: The top of the filter screen plate (202) is fixedly connected to a pull-out plate (204), and one side of the outer surface of the filter box body (2) is fixedly connected to a connecting pipe (201).

6. A benzylamine distillation tower liquid distributor according to claim 5, characterized in that: The outer surface of the pulling plate (204) is provided with a plurality of bolt bodies (203).

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