CN214059908U

CN214059908U - Bromine distillation tower

Info

Publication number: CN214059908U
Application number: CN202023051829.4U
Authority: CN
Inventors: 钟惠民; 钱明辉; 李超; 王伟
Original assignee: Shandong Changyi Jiayuan Chemical Co ltd
Current assignee: Shandong Changyi Jiayuan Chemical Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-27
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a bromine distillation tower, comprising a tower body, the inside of tower body is equipped with the second heat exchanger, the air inlet of second heat exchanger is connected with the chlorine intake pipe, the gas outlet intercommunication of second heat exchanger has the chlorine intake pipe of preheating, the end of preheating the chlorine intake pipe stretches into the inside of tower body and is connected with the chlorine house steward of preheating, one side of preheating the chlorine house steward is connected with a plurality of chlorine branch pipes of preheating, the top of preheating the chlorine branch pipe is equipped with a plurality of mist outlet ducts, preheat the chlorine branch pipe, the below be equipped with the vapor branch pipe, the vapor branch pipe with preheat through vapor outlet duct UNICOM between the chlorine branch pipe. The utility model discloses in, utilize the waste heat of waste liquid to carry out the waste heat to chlorine, improved the utilization ratio of steam, and accelerated reaction rate, through the setting of mist outlet duct and venthole, make the mixture of steam and chlorine distribute evenly at the reaction layer, the bromine in the stoste is drawed to the at utmost.

Description

Bromine distillation tower

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a bromine distillation column.

Background

Bromine is brownish red, volatile and strong irritant odor liquid, vapor of the bromine is brownish red, solid of the bromine is yellowish green, the bromine has metal luster, the bromine is an important chemical raw material, and the bromine is widely applied to industries such as medicine, chemical engineering, pesticide, oil field and the like, is mainly used for preparing bromides, medicines, fumigants, flame retardants, extinguishing agents, fuel intermediates, chemical preparations, refrigerants, photosensitive materials and the like, and is also used for bleaching and disinfection.

In the course of working, need distill bromine through steam, and take place the bromine element in the oxidation reaction reduction brine through chlorine and brine, current distillation plant, the waste heat of waste liquid preheats the brine stoste in the utilization distillation column, the utilization ratio that has improved the vapor and accelerated reaction rate, but chlorine directly lets in the distillation column, utilize the vapor heating and blow into the reaction layer with chlorine, but chlorine is dissolved in water and density is greater than air and vapor, this makes and removes along with the waste liquid in the waste liquid that some chlorine can get into the distillation column bottom, and chlorine distributes unevenly in the reaction layer and can lead to bromine to draw inadequately, cause the waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a bromine distillation tower.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bromine distillation tower comprises a tower body, wherein a first heat exchanger and a second heat exchanger are symmetrically arranged in the tower body close to the bottom end, the first heat exchanger and the second heat exchanger are fixedly connected with the inner side wall of the tower body respectively, a stock solution inlet pipe is connected to the liquid inlet of the first heat exchanger, the stock solution inlet pipe penetrates through the side wall of the tower body and is communicated with a stock solution storage box, a liquid outlet of the first heat exchanger is connected with a preheated stock solution inlet pipe, one end of the preheated stock solution inlet pipe, which is connected with the first heat exchanger, penetrates through the side wall of the tower body and upwards, the tail end of the preheated stock solution inlet pipe extends into the inside of the tower body again, the tail end of the preheated stock solution inlet pipe is connected with a preheated stock solution main pipe, one side of the preheated stock solution main pipe is connected with a plurality of preheated stock solution branch pipes, an air inlet of the second heat exchanger is connected with a chlorine gas inlet pipe, the chlorine gas inlet pipe penetrates through the side wall of the tower body and is communicated with a chlorine gas storage box, the gas outlet intercommunication of second heat exchanger has the chlorine intake pipe of preheating, the one end that the chlorine intake pipe of preheating is connected with the second heat exchanger is worn out the lateral wall of tower body and is upwards just the end stretches into the inside of tower body once more, the end-to-end connection who preheats the chlorine intake pipe has the chlorine house steward of preheating, one side of preheating the chlorine house steward is connected with a plurality of chlorine minutes of preheating and manages, the top of preheating the chlorine minute is run through and is equipped with a plurality of mist outlet ducts, one side of tower body is equipped with the steam intake pipe, the steam intake pipe stretches into the inside of tower body and UNICOM has the steam house steward, one side UNICOM of steam house steward has a plurality of steam minutes, the top UNICOM of steam minute has a plurality of steam outlet ducts, just steam outlet duct and the bottom UNICOM of preheating the chlorine minute.

As a further description of the above technical solution:

the inside wall fixedly connected with water level monitor of tower body, water level monitor is located between first heat exchanger and the steam minute pipe.

As a further description of the above technical solution:

the water vapor main pipe and the water vapor branch pipe are positioned below the preheating chlorine main pipe and the preheating chlorine branch pipe.

As a further description of the above technical solution:

the inside of tower body is a plurality of to be equipped with the reaction layer, just the reaction layer is located to preheat between stock solution minute pipe and the chlorine minute pipe of preheating, be equipped with the filler in the reaction layer.

As a further description of the above technical solution:

the mixed gas outlet pipe extends into the filler of the reaction layer, and a plurality of gas outlet holes are formed in the side wall of the mixed gas outlet pipe.

As a further description of the above technical solution:

and a plurality of spray heads are arranged at the bottom of the preheating stock solution branch pipe.

As a further description of the above technical solution:

the steam outlet pipe and the mixed gas outlet pipe are distributed in a staggered mode.

As a further description of the above technical solution:

and the inner wall of the tower body is provided with a pipe clamp.

As a further description of the above technical solution:

the top of tower body is equipped with bromine steam outlet, the bottom of tower body is equipped with the waste liquid outlet.

The utility model discloses following beneficial effect has:

1. this bromine distillation tower utilizes the waste heat of waste liquid to carry out the waste heat to chlorine, has improved the utilization ratio of steam, and the chlorine of preheating is favorable to accelerating reaction rate.

2. This bromine distillation column, vapor and chlorine mix more evenly and directly let in the reaction layer with mist, avoid chlorine to discharge along with the waste liquid, through the setting of venthole, make the mixture of vapor and chlorine distribute evenly at the reaction layer, the bromine in the at utmost draws the stoste.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic structural diagram of the position B-B of the present invention.

Illustration of the drawings: 1. a tower body; 2. a stock solution inlet pipe; 3. a first heat exchanger; 4. a water level monitor; 5. dividing the water vapor into pipes; 6. a steam outlet pipe; 7. preheating chlorine gas branch pipes; 8. a mixed gas outlet pipe; 9. preheating a stock solution inlet pipe; 10. preheating a stock solution main pipe; 11. preheating stock solution branch pipes; 12. a bromine vapor outlet; 13. a spray head; 14. a reaction layer; 15. preheating a chlorine gas main pipe; 16. a water vapor inlet pipe; 17. a water vapor main pipe; 18. preheating a chlorine gas inlet pipe; 19. a chlorine gas inlet pipe; 20. a second heat exchanger; 21. a waste liquid outlet; 22. a pipe clamp; 23. and an air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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.

Referring to fig. 1-3, the present invention provides an embodiment: a bromine distillation tower comprises a tower body 1, wherein a first heat exchanger 3 and a second heat exchanger 20 are symmetrically arranged inside the tower body 1 near the bottom end, the first heat exchanger 3 and the second heat exchanger 20 are fixedly connected with the inner side wall of the tower body 1 respectively, a stock solution inlet pipe 2 is connected at the liquid inlet of the first heat exchanger 3, the stock solution inlet pipe 2 penetrates through the side wall of the tower body 1 and is communicated with a stock solution storage tank, a liquid outlet of the first heat exchanger 3 is connected with a preheated stock solution inlet pipe 9, one end of the preheated stock solution inlet pipe 9, which is connected with the first heat exchanger 3, penetrates through the side wall of the tower body 1 and extends upwards, the tail end of the preheated stock solution inlet pipe 9 is connected with a preheated stock solution main pipe 10, one side of the preheated stock solution main pipe 10 is connected with a plurality of preheated stock solution branch pipes 11, an air inlet of the second heat exchanger 20 is connected with a chlorine inlet pipe 19, and the chlorine inlet pipe 19 penetrates through the side wall of the tower body 1 and is communicated with a chlorine storage tank, the gas outlet intercommunication of second heat exchanger 20 has preheat chlorine intake pipe 18, the one end that preheat chlorine intake pipe 18 and second heat exchanger 20 be connected is worn out the lateral wall of tower body 1 and is upwards just the end stretches into the inside of tower body 1 once more, the end-to-end connection who preheats chlorine intake pipe 18 has preheat chlorine house steward 15, the one side of preheating chlorine house steward 15 is connected with a plurality of chlorine minutes pipes 7 of preheating, the top of preheating chlorine minute pipe 7 is run through and is equipped with a plurality of mist outlet ducts 8, one side of tower body 1 is equipped with steam intake pipe 16, steam intake pipe 16 stretches into the inside of tower body 1 and the UNICOM has steam house steward 17, one side UNICOM of steam house steward 17 has a plurality of steam minute pipes 5, the top UNICOM of steam minute pipe 5 has a plurality of steam outlet duct 6, just steam outlet duct 6 and the bottom UNICOM of preheating chlorine minute pipe 7.

The inside wall fixedly connected with water level monitor 4 of tower body 1, water level monitor 4 are located between first heat exchanger 3 and the steam minute pipe 5, control the switching of waste liquid outlet 21 through water level monitor 4, make the waste liquid in the tower body 1 be higher than first heat exchanger 3, second heat exchanger 20 all the time, are less than the steam minute pipe 5.

The steam main pipe 17 and the steam branch pipes 5 are positioned below the preheating chlorine main pipe 15 and the preheating chlorine branch pipes 7, so that the preheated chlorine is heated by the steam and is blown into the reaction layer 14.

A plurality of reaction layers 14 are arranged in the tower body 1, the reaction layers 14 are located between the preheating stock solution branched pipe 11 and the preheating chlorine branched pipe 7, and fillers are arranged in the reaction layers 14, so that reactants can react more thoroughly in the reaction layers 14.

The mixed gas outlet pipe 8 extends into the filler of the reaction layer 14, and the side wall of the mixed gas outlet pipe 8 is provided with a plurality of air outlets 23, so that the mixture of the water vapor and the chlorine is uniformly distributed in the reaction layer 14.

The bottom of the preheating stock solution branch pipe 11 is provided with a plurality of spray heads 13, so that the stock solution is uniformly distributed in the reaction layer 14.

The steam outlet pipe 6 and the mixed gas outlet pipe 8 are distributed in a staggered way, so that the steam and the chlorine are mixed fully.

The inner wall of the tower body 1 is provided with a pipe clamp 22, which is convenient for fixing each pipeline in the tower body 1.

The top of tower body 1 is equipped with bromine steam outlet 12, the bottom of tower body 1 is equipped with waste liquid outlet 21, and bromine steam is discharged from bromine steam outlet 12 and is gone into next process, and the waste liquid is discharged from waste liquid outlet 21.

The working principle is as follows: when the bromine distillation tower is used, a stock solution flows into the first heat exchanger 3 from the stock solution inlet pipe 2 for preheating, then enters the preheating stock solution branch pipe 11 from the preheating stock solution inlet pipe 9 and is sprayed into the reaction layer 14 from the spray head 13, meanwhile, chlorine enters the second heat exchanger 20 from the chlorine inlet pipe 19 for preheating, then enters the preheating chlorine branch pipe 7 from the preheating chlorine inlet pipe 18, after water vapor enters the water vapor branch pipe 5 from the water vapor inlet pipe 16, the water vapor enters the preheating chlorine branch pipe 7 from the water vapor outlet pipe 6 to be mixed with the chlorine and blows the chlorine into the mixed gas outlet pipe 8, the mixture of the water vapor and the chlorine enters the reaction layer 14 from the air outlet hole 23 to be in contact reaction with the stock solution, the chlorine is preheated by the distillation tower, the reaction process is accelerated, and the mixture of the water vapor and the chlorine is uniformly distributed in the reaction layer 14, bromine in the stock solution can be extracted to the maximum degree, and the bromine distillation tower has certain practicability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A bromine distillation tower comprises a tower body (1), and is characterized in that: the tower is characterized in that a first heat exchanger (3) and a second heat exchanger (20) are symmetrically arranged in the tower body (1) close to the bottom end, the first heat exchanger (3) and the second heat exchanger (20) are respectively fixedly connected with the inner side wall of the tower body (1), a stock solution inlet pipe (2) is connected to the liquid inlet of the first heat exchanger (3), the side wall of the tower body (1) penetrating through the stock solution inlet pipe (2) is communicated with a stock solution storage box, a liquid outlet of the first heat exchanger (3) is connected with a preheated stock solution inlet pipe (9), one end of the preheated stock solution inlet pipe (9) connected with the first heat exchanger (3) penetrates through the side wall of the tower body (1) and extends upwards, the tail end of the preheated stock solution inlet pipe (9) is connected with a preheated stock solution main pipe (10), one side of the preheated stock solution main pipe (10) is connected with a plurality of stock solution branch pipes (11), the air inlet of the second heat exchanger (20) is connected with a chlorine gas inlet pipe (19), the chlorine gas inlet pipe (19) penetrates through the side wall of the tower body (1) and is communicated with a chlorine gas storage box, the air outlet of the second heat exchanger (20) is communicated with a preheated chlorine gas inlet pipe (18), one end of the preheated chlorine gas inlet pipe (18) connected with the second heat exchanger (20) penetrates through the side wall of the tower body (1) upwards, the tail end of the preheated chlorine gas inlet pipe (18) is connected with a preheated chlorine gas main pipe (15), one side of the preheated chlorine gas main pipe (15) is connected with a plurality of preheated chlorine gas branch pipes (7), the top of the preheated chlorine gas branch pipes (7) penetrates through a plurality of mixed gas outlet pipes (8), one side of the tower body (1) is provided with a water vapor inlet pipe (16), the water vapor inlet pipe (16) penetrates into the inside of the tower body (1) and is communicated with a water vapor main pipe (17), one side UNICOM of steam house steward (17) has a plurality of steam to be in charge of (5), the top UNICOM of steam to be in charge of (5) has a plurality of steam outlet duct (6), just steam outlet duct (6) and the bottom UNICOM of preheating chlorine gas to be in charge of (7).

2. A bromine distillation column according to claim 1, wherein: the inside wall fixedly connected with water level monitor (4) of tower body (1), water level monitor (4) are located between first heat exchanger (3) and steam minute pipe (5).

3. A bromine distillation column according to claim 1, wherein: the water vapor main pipe (17) and the water vapor branch pipe (5) are positioned below the preheating chlorine main pipe (15) and the preheating chlorine branch pipe (7).

4. A bromine distillation column according to claim 1, wherein: the tower body (1) inside is a plurality of reaction layers (14) that are equipped with, just reaction layers (14) are located and preheat between stoste minute pipe (11) and the chlorine minute pipe (7) of preheating, be equipped with the filler in reaction layers (14).

5. A bromine distillation column according to claim 1, wherein: the mixed gas outlet pipe (8) extends into the filler of the reaction layer (14), and a plurality of gas outlet holes (23) are formed in the side wall of the mixed gas outlet pipe (8).

6. A bromine distillation column according to claim 1, wherein: the bottom of the preheating stock solution branch pipe (11) is provided with a plurality of spray heads (13).

7. A bromine distillation column according to claim 1, wherein: the water vapor outlet pipe (6) and the mixed gas outlet pipe (8) are distributed in a staggered manner.

8. A bromine distillation column according to claim 1, wherein: and a pipe clamp (22) is arranged on the inner wall of the tower body (1).

9. A bromine distillation column according to claim 1, wherein: the top of tower body (1) is equipped with bromine steam outlet (12), the bottom of tower body (1) is equipped with waste liquid outlet (21).