CN216259155U

CN216259155U - Novel emergency cooling device of distillation still

Info

Publication number: CN216259155U
Application number: CN202122942008.8U
Authority: CN
Inventors: 沈志良; 王晨; 邱博文
Original assignee: Leping Hengli Chemical Co ltd
Current assignee: Leping Hengli Chemical Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-12
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a novel emergency cooling device of a distillation still, which comprises the distillation still, wherein a partition plate is fixedly connected to the inner surface of the bottom of the distillation still, cooling plates are fixedly connected to four inner surfaces of the distillation still above the partition plate, and a cooling pipe is fixedly connected to the side wall of the distillation still; the filled ammonium nitrate in the cooling plate can generate a quick heat absorption chemical reaction after contacting with water, the cooling water quickly injected into the cooling pipe can enter the cooling plate through the connecting pipe to react with the ammonium nitrate, so that part of heat in the distillation kettle can be quickly absorbed, the circulating cooling water in the cooling pipe can cool the distillation kettle, and when the distillation kettle is subjected to emergency cooling, the sealing soft plate can be quickly opened by driving the sliding plate to horizontally move through the servo motor, so that the heat dissipation box is communicated with the outside, the heat in the distillation kettle can be quickly discharged by the heat dissipation fan, and the cooling speed of the distillation kettle is accelerated.

Description

Novel emergency cooling device of distillation still

Technical Field

The utility model relates to the technical field of cooling devices, in particular to a novel emergency cooling device of a distillation still.

Background

The still pot functions to vaporize the liquid being distilled, providing the necessary amount of rising vapor in the column. The distillation still has jacket type, coil type and tube type. The jacketed type distillation still and the coil type distillation still are mostly used for large-scale production due to small heating area. In a small rectifying tower, a distillation kettle can be directly arranged at the bottom of the tower, the material loading amount in the kettle can account for 85-80% of the volume of the kettle, the lower limit is taken for materials which are easy to foam, and the upper limit is taken for materials which are difficult to foam. The volume of the distillation kettle is about 1000-2500L generally, and the distance between the lowest column plate of the liquid level ballad in the kettle is at least 0.5-0.7 m in order to avoid excessive liquid entrainment during rising of generated steam.

The emergency cooling device for the distillation kettle in the prior art mainly adopts a water-cooling mode to cool, a large amount of cooling water is consumed by the cooling mode, the cooling efficiency is low, the distillation kettle cannot be cooled down quickly, and therefore loss is caused to the inside of the distillation kettle.

Therefore, a new emergency cooling device for a distillation still needs to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel emergency cooling device for a distillation kettle.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel emergency cooling device of a distillation still comprises the distillation still, wherein a partition plate is fixedly connected to the inner surface of the bottom of the distillation still, cooling plates are fixedly connected to four inner surfaces of the distillation still, which are positioned above the partition plate, cooling pipes are fixedly connected to the side walls of the distillation still, a connecting pipe is fixedly connected between each cooling pipe and the side surface of the upper portion of each cooling plate, a heat dissipation box is fixedly connected between the bottom surface of the partition plate and the inner bottom surface of the distillation still, a heat dissipation fan is rotatably connected to the central position of the top surface of the heat dissipation box, the bottom surface of the distillation still is in through connection with an opening and closing bin, a servo motor is fixedly installed on the side surface of the opening and closing bin, a lead screw is fixedly connected to the output end of the servo motor, one end of the lead screw, which is far away from the servo motor, is rotatably connected to the inner surface of the opening and closing bin, a sliding plate is sleeved on the outer edge of the lead screw, and a sealing soft plate is fixedly connected between the side surface of the sliding plate and the inner surface of the opening and closing bin, which is positioned at one end of the servo motor, the bottom surface of the opening and closing bin is provided with a filter tank in a penetrating way, and the inner surface of the filter tank is fixedly connected with a filter plate.

Preferably, the cooling plate is in a hollow state, and the inside of the cooling plate is filled with ammonium nitrate.

Preferably, the side surface of the sliding plate is attached to the inner surface of the opening and closing bin.

Preferably, the sealing soft plate is made of heat insulation materials.

Preferably, a cooling water tank is connected outside the cooling pipe.

Preferably, four corners of the bottom surface of the distillation still are fixedly provided with support legs.

The utility model has the following beneficial effects:

1. by arranging the cooling pipe, the connecting pipe and the cooling plate, the filled ammonium nitrate in the cooling plate can generate a quick heat absorption chemical reaction after contacting with water, cooling water quickly injected in the cooling pipe can enter the cooling plate through the connecting pipe to react with the ammonium nitrate, part of heat in the distillation kettle can be quickly absorbed, and circulating cooling water in the cooling pipe can cool the distillation kettle;

2. through setting up the heat dissipation case, opening and shutting storehouse, filter, when carrying out the emergency cooling of stills, the horizontal migration that drives the sliding plate through servo motor can be quick opens sealed soft board for heat dissipation case and external looks UNICOM, radiator fan can discharge the heat in the middle of the stills fast for stills's cooling rate.

Drawings

FIG. 1 is a schematic sectional front view of a novel emergency cooling device of a distillation still according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of an opening and closing bin of the novel emergency cooling device of the distillation still provided by the utility model;

in the figure: the device comprises a distillation still 1, a partition plate 2, a cooling plate 3, a cooling pipe 4, a connecting pipe 5, a heat dissipation box 6, a heat dissipation fan 7, an opening and closing bin 8, a servo motor 9, a sliding plate 10, a lead screw 11, a sealing soft plate 12, a filter tank 13, a filter plate 14 and supporting legs 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a novel emergency cooling device for a distillation still comprises a distillation still 1, a partition plate 2 is fixedly connected to the inner surface of the bottom of the distillation still 1, cooling plates 3 are fixedly connected to four inner surfaces of the distillation still 1 above the partition plate 2, a cooling pipe 4 is fixedly connected to the side wall of the distillation still 1, a connecting pipe 5 is fixedly connected between the cooling pipe 4 and the upper side surface of the cooling plate 3, a heat dissipation box 6 is fixedly connected between the bottom surface of the partition plate 2 and the inner bottom surface of the distillation still 1, a heat dissipation fan 7 is rotatably connected to the central position of the top surface of the heat dissipation box 6, an opening and closing chamber 8 is connected to the bottom surface of the distillation still 1, a servo motor 9 is fixedly installed on the side surface of the opening and closing chamber 8, a lead screw 11 is fixedly connected to the output end of the servo motor 9, one end of the lead screw 11, which is far away from the servo motor 9, is rotatably connected to the inner surface of the opening and closing chamber 8, a sliding plate 10 is sleeved on the outer edge of the lead screw 11, a sealing soft board 12 is fixedly connected between the side surface of the sliding plate 10 and the inner surface of the opening and closing chamber 8 at one end of the servo motor 9, a filtering groove 13 is arranged on the bottom surface of the opening and closing chamber 8 in a penetrating way, and a filtering plate 14 is fixedly connected on the inner surface of the filtering groove 13.

Referring to fig. 1, the cooling plate 3 is in a hollow state, and ammonium nitrate is filled in the cooling plate 3.

Referring to fig. 2, the side surface of the sliding plate 10 is attached to the inner surface of the opening/closing chamber 8.

Referring to fig. 2, the sealing soft plate 12 is made of a heat insulating material.

Referring to fig. 1, a cooling water tank is externally connected to the cooling pipe 4.

Referring to fig. 1, four corners of the bottom surface of the distillation still 1 are fixedly provided with support legs 15.

The specific working principle of the utility model is as follows:

when the emergency cooling device is used, after cooling work is started, cooling water is quickly injected into the cooling pipe 4, a small part of the cooling water injected into the cooling pipe 4 enters the cooling plate 3 through the connecting pipe 5, the cooling water entering the cooling plate 3 can contact and react with ammonium nitrate therein, the water and the ammonium nitrate contact to form a quick endothermic reaction which can absorb heat in the distillation still 1, meanwhile, the servo motor 9 is started to drive the screw rod 11 to rotate, after the screw rod 11 rotates, the sliding plate 10 is attached to the inner surface of the opening and closing bin 8 due to the fact that the sliding plate 10 is attached to the inner surface of the opening and closing bin, the screw rod 11 does not drive the sliding plate 10 to rotate but move along the horizontal direction, after the sliding plate 10 moves, the sealing soft plate 12 is driven to move to open the sealing soft plate 12 above the filter tank 13, the heat dissipation box 6 is communicated with the outside, and the heat dissipation fan 7 is started to discharge the heat in the distillation still 1, enabling it to cool quickly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The novel emergency cooling device of the distillation kettle comprises a distillation kettle (1) and is characterized in that a partition plate (2) is fixedly connected to the inner surface of the bottom of the distillation kettle (1), cooling plates (3) are fixedly connected to four inner surfaces of the distillation kettle (1) above the partition plate (2), a cooling pipe (4) is fixedly connected to the side wall of the distillation kettle (1), a connecting pipe (5) is fixedly connected between the cooling pipe (4) and the side surface of the upper portion of the cooling plate (3), a heat dissipation box (6) is fixedly connected between the bottom surface of the partition plate (2) and the inner bottom surface of the distillation kettle (1), a heat dissipation fan (7) is rotatably connected to the center position of the top surface of the heat dissipation box (6), an opening and closing bin (8) is connected to the bottom surface of the distillation kettle (1), and a servo motor (9) is fixedly installed on the side surface of the opening and closing bin (8), the output fixedly connected with lead screw (11) of servo motor (9), the one end that servo motor (9) were kept away from in lead screw (11) is rotated and is connected on the inner face of opening and shutting storehouse (8), screw thread cover has been connected sliding plate (10) on the outer fringe of lead screw (11), the side of sliding plate (10) and the inner face that the storehouse (8) that opens and shuts lie in servo motor (9) one end between fixedly connected with sealed soft board (12), the bottom surface of the storehouse (8) that opens and shuts link up and is provided with filter tank (13), the inner face fixedly connected with filter (14) of filter tank (13).

2. A new emergency cooling device of a still pot according to claim 1, characterised in that said cooling plate (3) is hollow and the inside of said cooling plate (3) is filled with ammonium nitrate.

3. A new emergency cooling device for distillation still according to claim 1, characterized in that the side of said sliding plate (10) is in contact with the inner face of the opening and closing chamber (8).

4. A new emergency cooling device for distillation still according to claim 1, characterized in that said soft sealing plate (12) is made of heat insulating material.

5. A new emergency cooling device for still kettle according to claim 1, characterized in that said cooling pipe (4) is externally connected with a cooling water tank.

6. A new emergency cooling device for distillation still according to claim 1, characterized in that four corners of the bottom of the distillation still (1) are fixedly provided with legs (15).