Multifunctional distillation tower for chemical production

Abstract

The utility model discloses a multifunctional distillation tower for chemical production, and relates to the technical field of distillation towers. The multifunctional distillation tower for chemical production comprises a tower body, three tower plates are rotatably connected in the tower body, one end of the outer wall of the tower body is fixedly connected with three first motors, the output ends of the three first motors are fixedly connected with the three tower plates respectively, one end of the side wall of the tower body is fixedly connected with an air cylinder, and the other end of the side wall of the tower body is fixedly connected with the air cylinder. The output end of the air cylinder is fixedly connected with a mounting plate, one end of the mounting plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a sliding pipe, the bottom of the sliding pipe extends into the tower body and is in sliding connection with the tower body, the bottom of the sliding pipe communicates with a water spraying pipe, and a plurality of nozzles are arranged at one end of the water spraying pipe. According to the utility model, the tower plate can be flushed through the design of the water spray pipe and the spray heads, so that the subsequent distillation effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to distillation column technical field, concretely to a multifunctional distillation column for chemical production. BACKGROUND

[0002] In chemical engineering and multiple industrial fields, the separation of liquid mixture is a crucial process, and the distillation column as a commonly used separation equipment, its working principle is based on the difference of the boiling point of each component in the mixture, through heating to make the liquid mixture partially vaporize, and realize separation by using the different volatility of each component after vaporization.

[0003] Through the search, a kind of multiple polar chemical distillation column is disclosed in one Chinese patent with publication number CN116077969B, including lower tower body, upper tower body is slidably sealed in the inside of lower tower body, and pushing mechanism is connected between upper tower body and lower tower body;Steam discharge pipe is fixedly communicated with the top of upper tower body, liquid inlet pipe is fixedly communicated with the side of upper tower body, first recess is formed in the top of lower tower body, and the first recess is located below liquid inlet pipe;The present application makes steam into the accumulated liquid in the bottom of lower tower body by steam guide mechanism, reheats and distills the accumulated liquid that has been distilled, reduces the residual low volatility liquid in the accumulated liquid, and is beneficial to improve the separation effect of mixed liquid and improve the distillation efficiency.

[0004] In the above-mentioned technology, although the distillation column can repeatedly distill the accumulated liquid through the design of the steam guide mechanism, thereby improving the distillation efficiency, but the distillation column is not convenient for cleaning the internal water guide plate, because the mixed liquid usually contains suspended particles, dissolved solid substances, organic matter or other impurities, these impurities may flow to the surface of water guide plate with liquid during distillation process, and gradually accumulate over time, which will block the steam holes on the water guide plate, and then affect the subsequent distillation effect.

[0005] Therefore, the utility model provides a multifunctional distillation column for chemical production. Utility model content

[0006] In order to solve the problem that the filler or tray in the existing distillation column is not convenient to clean, the purpose of the utility model is to provide a multifunctional distillation column for chemical production.

[0007] The utility model discloses a multifunctional distillation column for chemical production, which comprises a tower body, three tower plates rotatably connected inside the tower body, three first motors fixedly connected to one end of the outer wall of the tower body, three tower plates fixedly connected to the output ends of the three first motors, a pneumatic cylinder fixedly connected to one end of the side wall of the tower body, an installation plate fixedly connected to the output end of the pneumatic cylinder, a second motor fixedly connected to one end of the installation plate, a sliding pipe fixedly connected to the output end of the second motor, the bottom of the sliding pipe extending into the tower body and being in sliding connection with the tower body, a water spraying pipe in communication with the bottom of the sliding pipe, and a plurality of nozzles arranged on one end of the water spraying pipe.

[0008] Preferably, a water pump is fixedly connected to one end of the top of the installation plate, a hose is in communication with the output end of the water pump, and one end of the hose is in communication with the top of the sliding pipe.

[0009] Preferably, a liquid inlet is arranged above the tower plate on the side wall of the tower body, an air inlet is arranged below the tower plate on the side wall of the tower body, an exhaust pipe is in communication with the top of the tower body, and a liquid outlet pipe is in communication with the bottom of the tower body.

[0010] Preferably, a baffle is fixedly connected to the edge of the top of the tower plate, and a plurality of water through holes are arranged in the tower plate inside the adjacent baffles.

[0011] Preferably, a plurality of flow guides are fixedly connected to the top of the tower plate, the top of the flow guide is higher than the top of the baffle, four air vents are arranged on the side wall of the flow guide, and the air vents are lower than the top of the baffle.

[0012] Preferably, an air pipe is fixedly connected to the inside of the flow guide on the tower plate, the top of the air pipe is higher than the top of the baffle, the air pipe is not in contact with the flow guide, and the bottom of the air pipe is in communication with the tower plate.

[0013] Preferably, an air bag is arranged at the tower plate inside the tower body, the air bag is sleeved around the baffle, an air pump is fixedly connected to one end of the outer wall of the tower body, and the output end of the air pump is in communication with the air bag.

[0014] Preferably, a shunt pipe is in communication with the output end of the air pump, and the three air bags are in communication with the shunt pipe. An electric valve is arranged at one end of the air bag on the shunt pipe.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The first motor drives the tower plate to rotate, so that the tower plate is in a vertical state, the pneumatic cylinder drives the sliding pipe to move downward, so that the water spraying pipe and the nozzles are moved to the tower plate, and the second motor drives the sliding pipe to rotate, so that the angle of the nozzles is adjusted, and the nozzles can comprehensively wash the tower plate.

[0017] 2、The utility model discloses a gap between the baffle and the tower body lateral wall is blocked by the air bag, thereby making the mixed liquid only flow downwards through the water passage on the tower plate, and the steam only flows upwards through the air passage on the air pipe and the flow guide cover, wherein the water passage has limited water passage speed, so that a layer of mixed liquid is accumulated on the tower plate, when the steam flows out from the air passage, can fully contact the mixed liquid, and make the low boiling point component in the mixed liquid volatilize, thereby improving the distillation effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the tower body lateral section structure schematic diagram in the utility model;

[0021] Figure 3 It is Figure 2 The local amplification structure schematic diagram of A in the utility model;

[0022] Figure 4 It is the slide pipe and water jet pipe connecting structure schematic diagram in the utility model;

[0023] Figure 5 It is the tower plate structure schematic diagram in the utility model;

[0024] Figure 6 It is the flow guide cover lateral section structure schematic diagram in the utility model.

[0025] In the drawing: 1, tower body;2, tower plate;3, first motor;4, air cylinder;5, mounting plate;6, second motor;7, slide pipe;8, water jet pipe;9, spray head;10, water pump;11, hose;12, liquid inlet;13, air inlet;14, exhaust pipe;15, liquid outlet pipe;16, baffle;17, water passage;18, flow guide cover;19, air passage;20, air pipe;21, air bag;22, air pump;23, shunt pipe;24, electric valve. DETAILED DESCRIPTION

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example: Figures 1-6 As shown, this utility model provides a multifunctional distillation tower for chemical production, including a tower body 1, three trays 2 rotatably connected inside the tower body 1, three first motors 3 fixedly connected to one end of the outer wall of the tower body 1, the output ends of the three first motors 3 respectively fixedly connected to the three trays 2, a cylinder 4 fixedly connected to one end of the side wall of the tower body 1, an installation plate 5 fixedly connected to the output end of the cylinder 4, a second motor 6 fixedly connected to one end of the installation plate 5, a slide tube 7 fixedly connected to the output end of the second motor 6, the bottom of the slide tube 7 extending into the interior of the tower body 1 and slidably connected to the tower body 1, a water spray pipe 8 connected to the bottom of the slide tube 7, and multiple nozzles 9 provided at one end of the water spray pipe 8; a water pump 10 fixedly connected to one end of the top of the installation plate 5, a hose 11 connected to the output end of the water pump 10, and one end of the hose 11 connected to the top of the slide tube 7;

[0028] In this embodiment, since the mixture usually contains suspended particles, dissolved solids, organic matter, or other impurities, these impurities may flow to the surface of the tray 2 with the liquid during the distillation process and gradually accumulate over time, blocking the water passage 17 on the tray 2 and affecting the subsequent distillation effect. Therefore, cleaning is required. At this time, the first motor 3 drives the tray 2 to rotate, so that the tray 2 is in a vertical state. Then, the cylinder 4 drives the mounting plate 5 and the slide tube 7 to move downward, thereby driving the water spray pipe 8 to move downward. At the same time, the water pump 10 delivers cleaning liquid into the slide tube 7, so that the cleaning liquid is sprayed out through the nozzle 9 at one end of the water spray pipe 8, thereby rinsing the tray 2. During the rinsing process, the second motor 6 can be turned on, and the second motor 6 drives the slide tube 7 to rotate, thereby adjusting the spray angle of the nozzle 9, so that the tray 2 can be thoroughly rinsed.

[0029] The side wall of the tower body 1 is provided with a liquid inlet 12 above the tower plate 2, and the side wall of the tower body 1 is provided with an air inlet 13 below the tower plate 2. The top of the tower body 1 is connected to an exhaust pipe 14, and the bottom of the tower body 1 is connected to a liquid drain pipe 15.

[0030] In this embodiment, the design of the liquid inlet 12 facilitates the entry of the mixed liquid into the tower body 1, the design of the air inlet 13 facilitates the entry of steam into the tower body 1, the design of the exhaust pipe 14 facilitates the smooth discharge of steam, and the design of the liquid drain pipe 15 facilitates the smooth discharge of the mixed liquid.

[0031] The top edge of the tray 2 is fixedly connected with a baffle 16, and a plurality of water passing holes 17 are arranged in the baffle 16.

[0032] In the embodiment, the mixed solution can smoothly pass through the tray 2 through the design of the water passing hole 17, and a layer of mixed solution can be accumulated on the top of the tray 2 through the design of the baffle 16.

[0033] A plurality of flow guiding covers 18 are fixedly connected to the top of the tray 2, the top of the flow guiding cover 18 is higher than the top of the baffle 16, four air passing holes 19 are arranged at the bottom of the sidewall of the flow guiding cover 18, and the air passing hole 19 is lower than the top of the baffle 16; an air passing pipe 20 is fixedly connected to the inside of the flow guiding cover 18, the top of the air passing pipe 20 is higher than the top of the baffle 16, and the air passing pipe 20 is not in contact with the flow guiding cover 18, and the bottom of the air passing pipe 20 is in communication with the tray 2;

[0034] In the embodiment, the steam can smoothly pass through the tray 2 and can fully contact with the layer of mixed solution accumulated on the tray 2 through the design of the air passing pipe 20, the flow guiding cover 18 and the air passing hole 19.

[0035] An air bag 21 is arranged in the inside of the tower body 1 at the position of the tray 2, the air bag 21 is sleeved around the baffle 16, one end of the outer wall of the tower body 1 is fixedly connected with an air pump 22, and the output end of the air pump 22 is in communication with the air bag 21;

[0036] In the embodiment, the air pump 22 sends air to the air bag 21, so that the air bag 21 is inflated, thereby plugging the gap between the baffle 16 and the inner wall of the tower body 1, so that the steam and the mixed solution are more fully contacted.

[0037] The output end of the air pump 22 is in communication with a shunt pipe 23, the three air bags 21 are in communication with the shunt pipe 23, and the shunt pipe 23 is installed with an electric valve 24 at one end of the air bag 21;

[0038] In the embodiment, the air output by the air pump 22 can smoothly flow into the three air bags 21 through the design of the shunt pipe 23, and the flow direction of the air is controlled through the design of the electric valve 24.

[0039] Working principle: before injecting the mixed liquid into the tower body 1, first adjust the tower plate 2 at the bottom of the tower body 1 to the horizontal state, block the gap between the baffle 16 and the inner wall of the tower body 1 through the air bag 21, and adjust the two tower plates 2 above the tower plate 2 to the vertical state, at this time, inject the mixed liquid into the tower body 1 through the liquid inlet 12, at this time, the mixed liquid will directly fall on the lowermost tower plate 2 and flow to the bottom of the tower body 1 through the water hole 17, due to the limited water passing efficiency of the water hole 17, a layer of mixed liquid will accumulate on the top of the tower plate 2, in actual operation, the flow of the mixed liquid into the tower body 1 needs to be adjusted according to the water passing efficiency of the water hole 17, when the liquid level of the mixed liquid on the tower plate 2 is flush with the top of the baffle 16, at this time, drive the middle tower plate 2 to rotate to the horizontal state through the first motor 3, and open the electric valve 24 at this position, at this time, the air pump 22 can inflate the air bag 21 at the middle position, so that the air bag 21 expands, thereby blocking the gap between the baffle 16 and the inner wall of the tower body 1, at this time, the mixed liquid entering the tower body 1 will gradually accumulate on the middle tower plate 2, and in this way, a layer of mixed liquid will accumulate on the topmost tower plate 2, then adjust the flow of the mixed liquid into the tower body 1, so that the amount of mixed liquid entering the liquid inlet 12 is consistent with the amount of mixed liquid discharged from the liquid outlet pipe 15;

[0040] After adjustment, deliver steam into the tower body 1 through the air inlet 13, at this time, the steam will enter the flow guide cover 18 through the bottom of the air pipe 20, flow along the flow guide cover 18 to the air inlet, and finally be discharged from the air inlet, due to the accumulation of a layer of mixed liquid on the tower plate 2, the steam discharged from the air hole 19 will fully contact with the mixed liquid, at this time, the low boiling point components in the mixed liquid will volatilize due to the heat of the steam, and flow with the steam, while the high boiling point components in the mixed liquid remain in the mixed liquid, thereby realizing the effect of distillation, when the steam passes through all the tower plates 2, it will be discharged through the exhaust pipe 14, and the mixed liquid passing through the three tower plates 2 will be discharged through the liquid outlet pipe 15, in actual operation, the discharged mixed liquid can be injected into the tower body 1 again for repeated distillation, thereby improving the distillation effect, after long-term distillation, many impurities will adhere to the tower plate 2, which will block the water hole 17, therefore, cleaning is needed, at this time, close the air pump 22, so that the three air bags 21 contract, at this time, the tower plate 2 has enough space to rotate, at this time, drive the tower plate 2 to rotate through the first motor 3, so that the tower plate 2 is in the vertical state, then drive the mounting plate 5 and the sliding pipe 7 to move downward through the air cylinder 4, thereby moving the water jet pipe 8 downward, at the same time, deliver the cleaning liquid into the sliding pipe 7 through the water pump 10, so that the cleaning liquid is sprayed out through the nozzle 9 at one end of the water jet pipe 8, thereby flushing the tower plate 2, in the flushing process, the second motor 6 can be opened, drive the sliding pipe 7 to rotate through the second motor 6, thereby adjusting the angle of the nozzle 9, so that the tower plate 2 can be fully flushed.

[0041] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A multifunctional distillation column for chemical production, comprising a column body (1), characterized in that: The tower body (1) is rotatably connected with three tower plates (2), one end of the outer wall of the tower body (1) is fixedly connected with three first motors (3), the output ends of the three first motors (3) are fixedly connected with the three tower plates (2) respectively, one end of the side wall of the tower body (1) is fixedly connected with an air cylinder (4), the output end of the air cylinder (4) is fixedly connected with a mounting plate (5), one end of the mounting plate (5) is fixedly connected with a second motor (6), the output end of the second motor (6) is fixedly connected with a sliding pipe (7), the bottom of the sliding pipe (7) extends into the tower body (1) and is slidably connected with the tower body (1), the bottom of the sliding pipe (7) is communicated with a water spraying pipe (8), and a plurality of spray heads (9) are arranged on one end of the water spraying pipe (8).

2. The multifunctional distillation column for chemical production according to claim 1, characterized in that, The top of the mounting plate (5) is fixedly connected with a water pump (10), the output end of the water pump (10) is communicated with a hose (11), and one end of the hose (11) is communicated with the top of the sliding pipe (7).

3. The multifunctional distillation column for chemical production according to claim 1, characterized in that, The side wall of the tower body (1) is provided with a liquid inlet (12) above the tower plate (2), the side wall of the tower body (1) is provided with an air inlet (13) below the tower plate (2), the top of the tower body (1) is communicated with an exhaust pipe (14), and the bottom of the tower body (1) is communicated with a liquid outlet pipe (15).

4. The multi-functional distillation column for chemical production according to claim 1, characterized in that, The top edge of the tower plate (2) is fixedly connected with a baffle (16), and a plurality of water passing holes (17) are arranged in the tower plate (2) between adjacent baffles (16).

5. The multi-functional distillation column for chemical production according to claim 4, characterized in that, A plurality of fairing (18) are fixedly connected to the top of the tower plate (2), the top of the fairing (18) is higher than the top of the baffle (16), the side wall of the fairing (18) is provided with four air holes (19) at the bottom, and the air holes (19) are lower than the top of the baffle (16).

6. The multi-functional distillation column for chemical production according to claim 5, characterized in that, The tower plate (2) is fixedly connected with an air pipe (20) inside the fairing (18), the top of the air pipe (20) is higher than the top of the baffle (16) and is not in contact with the fairing (18), and the bottom of the air pipe (20) is communicated with the tower plate (2).

7. The multi-functional distillation column for chemical production according to claim 1, characterized in that, An air bag (21) is arranged in the tower plate (2) inside the tower body (1), the air bag (21) is arranged around the baffle (16), one end of the outer wall of the tower body (1) is fixedly connected with an air pump (22), and the output end of the air pump (22) is communicated with the air bag (21).

8. The multi-functional distillation column for chemical production according to claim 7, characterized in that, The output end of the air pump (22) is communicated with a shunt pipe (23), the three air bags (21) are communicated with the shunt pipe (23), and the electric valve (24) is arranged on one end of the shunt pipe (23) which is located in the air bag (21).

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