CN218248590U

CN218248590U - Be used for chlorobenzene nitrile rectifying column cooling device

Info

Publication number: CN218248590U
Application number: CN202221684453.7U
Authority: CN
Inventors: 罗坤; 肖群峰; 王鲁君; 王乃军
Original assignee: Shenxian Zhengsheng Chemical Co ltd
Current assignee: Shenxian Zhengsheng Chemical Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2023-01-10
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to a technical field of o chlorobenzene nitrile production especially relates to a be used for o chlorobenzene nitrile rectifying column cooling device. The technical scheme includes that the water inlet pipe, the rectifying tower, a cooling cavity body, an inner box, an air inlet pipe, a tower plate and a refrigerator are included, supporting legs are welded on the lower surface of the rectifying tower, the inner box is fixedly embedded in the rectifying tower, the air inlet pipe penetrating through the cooling cavity body and the rectifying tower is communicated with the outer end face of one side of the inner box, an air inlet valve is connected to the outer surface of the air inlet pipe in a threaded mode, the cooling cavity body is formed between the rectifying tower and the inner box, the refrigerator is installed on the inner wall of the cooling cavity body, the water inlet pipe is communicated with the outer end face of one side of the cooling cavity body, a water outlet pipe penetrating through the rectifying tower is communicated with the outer end face of one side of the cooling cavity body, a fixing plate is welded on the inner wall of the inner box, and the tower plate is welded above the inner wall of the inner box, which is located on the fixing plate. The utility model discloses the cooling effect is better.

Description

Be used for chlorobenzene nitrile rectifying column cooling device

Technical Field

The utility model relates to a technical field of o chlorobenzene nitrile processing specifically is a be used for o chlorobenzene nitrile rectifying column cooling device.

Background

The o-chlorobenzonitrile is an organic synthesis intermediate. Mainly used for synthesizing a dye intermediate 2-cyano-4-nitroaniline, and used for synthesizing a new antimalarial drug, namely, nitroquine in the medical industry. Currently, there are 6 different routes of raw materials for the synthesis of o-Chlorobenzonitrile (CBN). The method is a synthetic route which takes o-chlorotoluene as a raw material, o-chlorobenzaldehyde oxime as a raw material, o-chlorobenzaldehyde as a raw material, o-chlorobenzoic acid as a raw material, o-chloroaniline as a raw material and o-chlorobenzylamine as a raw material.

At present, the rectifying tower needs to be used in the processing of the o-chlorobenzonitrile, the cooling effect of the cooling device of the o-chlorobenzonitrile rectifying tower at present is poor, and the gas-liquid exchange efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for o chlorobenzene nitrile rectifying column cooling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a be used for o chlorobenzene nitrile rectifying column cooling device, includes inlet tube, rectifying column, cooling chamber body, inner box, intake pipe, column plate and refrigerator, the lower surface welding of rectifying column has the supporting leg, and the inside embedding of rectifying column is fixed with the inner box, form the cooling chamber body between rectifying column and the inner box, and the inner wall of cooling chamber body installs the refrigerator, the inner wall welding of inner box has the fixed plate, and the top welding that the inner wall of inner box is located the fixed plate has the column plate.

Preferably, the outer end face of one side of the cooling cavity body is communicated with a water inlet pipe, and the outer surface of the water inlet pipe is in threaded connection with a water inlet valve. Through set up the inlet tube in cooling chamber body one side, be convenient for cooling chamber body waters through the inlet tube.

Preferably, the upper surface of the rectifying tower is communicated with an air outlet pipe, and the air outlet pipe penetrates through the cooling cavity body and is communicated with the inner box. The gas outlet pipe is arranged on the upper surface of the rectifying tower, so that gas can be conveniently discharged.

Preferably, the outer end face of one side of the inner box is communicated with an air inlet pipe penetrating through the cooling cavity body and the rectifying tower, and the outer surface of the air inlet pipe is in threaded connection with an air inlet valve. The air inlet pipe is arranged on one side of the inner box, so that the absorption liquid can be conveniently poured into the inner box.

Preferably, the baffle is welded on the lower surface of the tower plate and is welded on the inner wall of the inner box. The baffle is arranged on the lower surface of the tower plate, so that the gas-liquid exchange efficiency can be increased.

Preferably, the outer end face of one side of the cooling cavity body is communicated with a water outlet pipe penetrating through the rectifying tower, and the outer surface of the water outlet pipe is in threaded connection with a water outlet valve. The water outlet pipe is arranged on one side of the cooling cavity body, so that liquid can be conveniently discharged.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up cooling chamber body, refrigerator and inlet tube, reached the effect of the rectifying column of being convenient for cool off, opened the water intaking valve, through the inlet tube with water pour into inside the cooling chamber body, the refrigerator is water refrigeration under power device's effect, low temperature water is convenient for cool off the inner box at the inside flow of cooling chamber body, opens the outlet valve, water after the heat transfer passes through the outlet pipe and discharges, the rectifying column of being convenient for cool off.

2. The utility model discloses a set up column plate, fixed plate and baffle, reached the effect that can strengthen the efficiency of gas-liquid exchange, the inner box sets up the feed liquor pipe, pours into the inner box inside with the exchange liquid through the feed liquor pipe, opens the admission valve, sends into the inner box inside with gas through the intake pipe, and the exchange liquid from the upstream under the action of gravity is downward, and gas is up removal down under power device's effect, and the efficiency of gas-liquid exchange can be strengthened to the baffle.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the inner box of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure of the cooling chamber body according to the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a water inlet pipe; 2. a water inlet valve; 3. a rectifying tower; 4. an air outlet pipe; 5. a cooling chamber body; 6. an inner box; 7. an intake valve; 8. an air inlet pipe; 9. supporting legs; 10. a fixing plate; 11. a column plate; 12. a baffle plate; 13. a refrigerator; 14. a water outlet pipe; 15. and (4) a water outlet valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a be used for o chlorobenzene nitrile rectifying column cooling device, including inlet tube 1, rectifying column 3, cooling chamber body 5, inner box 6, intake pipe 8, column plate 11 and refrigerator 13, the outer terminal surface intercommunication in one side of inner box 6 has the intake pipe 8 that runs through cooling chamber body 5 and rectifying column 3, and the surface threaded connection of intake pipe 8 has admission valve 7, form cooling chamber body 5 between rectifying column 3 and the inner box 6, and the inner wall of cooling chamber body 5 installs refrigerator 13, the outer terminal surface intercommunication in one side of cooling chamber body 5 has inlet tube 1, and the surface threaded connection of inlet tube 1 has water intaking valve 2, the outer terminal surface intercommunication in one side of cooling chamber body 5 has outlet pipe 14 that runs through rectifying column 3, and the surface threaded connection of outlet pipe 14 has outlet valve 15.

Of course, as is well known to those skilled in the art, the water inlet pipe 1, the air inlet pipe 8, the refrigerator 13 and the water outlet pipe 14 of the present invention also need to provide a power device to enable the water inlet pipe to work normally, and as is well known to those skilled in the art, the power supply is common and is common to conventional means or common knowledge, and will not be described herein, and any selection and matching can be performed by those skilled in the art according to the needs or convenience.

The working principle of the cooling device for the o-chlorobenzonitrile rectifying tower based on the embodiment 1 is as follows: the water inlet valve 2 is opened, water is filled into the cooling cavity body 5 through the water inlet pipe 1, the refrigerator 13 refrigerates the water under the action of the power device, low-temperature water flows in the cooling cavity body 5 to facilitate cooling of the inner box 6, the water outlet valve 15 is opened, the water after heat exchange is discharged through the water outlet pipe 14 to facilitate cooling of the rectifying tower 3.

Example two

As shown in fig. 1-4, the utility model provides a be used for ortho-chlorobenzonitrile rectifying column cooling device, compare in embodiment one, this embodiment still includes inlet tube 1, rectifying column 3, cooling chamber body 5, inner box 6, intake pipe 8, column plate 11 and refrigerator 13, rectifying column 3's upper surface intercommunication has outlet duct 4, and outlet duct 4 runs through cooling chamber body 5 and inner box 6 intercommunication, rectifying column 3's lower surface welding has supporting leg 9, and rectifying column 3's inside embedding is fixed with inner box 6, inner box 6's inner wall welding has fixed plate 10, and inner box 6's upper portion welding has column plate 11, column plate 11's lower surface welding has baffle 12, and baffle 12 welds the inner wall at inner box 6.

In this embodiment, 6 inner boxes set up the feed liquor pipe, and it is inside 6 inner boxes to pour into the exchange liquid through the feed liquor pipe, opens admission valve 7, sends into 6 insides of inner box with gas through intake pipe 8, and the exchange liquid from the upstream downwards under the action of gravity, gaseous from up removing down under power device's effect, and the efficiency of gas-liquid exchange can be strengthened to baffle 12.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be used for chlorobenzene nitrile rectifying column cooling device, includes inlet tube (1), rectifying column (3), cooling chamber body (5), inner box (6), intake pipe (8), column plate (11) and refrigerator (13), its characterized in that: the lower surface welding of rectifying column (3) has supporting leg (9), and the inside embedding of rectifying column (3) is fixed with inner box (6), form cooling chamber body (5) between rectifying column (3) and inner box (6), and the inner wall of cooling chamber body (5) installs refrigerator (13), the inner wall welding of inner box (6) has fixed plate (10), and the top welding that the inner wall of inner box (6) is located fixed plate (10) has column plate (11).

2. The cooling device for the o-chlorobenzonitrile rectifying tower as claimed in claim 1, wherein: the outer end face of one side of the cooling cavity body (5) is communicated with a water inlet pipe (1), and the outer surface of the water inlet pipe (1) is in threaded connection with a water inlet valve (2).

3. The cooling device for the o-chlorobenzonitrile rectifying tower as claimed in claim 1, wherein: the upper surface of the rectifying tower (3) is communicated with an air outlet pipe (4), and the air outlet pipe (4) penetrates through the cooling cavity body (5) and is communicated with the inner box (6).

4. The cooling device for the o-chlorobenzonitrile rectifying tower as claimed in claim 1, wherein: the outer terminal surface intercommunication of one side of inner box (6) has intake pipe (8) of running through cooling chamber body (5) and rectifying column (3), and the surface threaded connection of intake pipe (8) has admission valve (7).

5. The cooling device for the o-chlorobenzonitrile rectifying tower as claimed in claim 1, wherein: the lower surface of the tower plate (11) is welded with a baffle (12), and the baffle (12) is welded on the inner wall of the inner box (6).

6. The cooling device for the o-chlorobenzonitrile rectifying tower as claimed in claim 1, wherein: the outer end face of one side of the cooling cavity body (5) is communicated with a water outlet pipe (14) penetrating through the rectifying tower (3), and the outer surface of the water outlet pipe (14) is in threaded connection with a water outlet valve (15).