CN216653440U - Special distillation column of bromine production - Google Patents
Special distillation column of bromine production Download PDFInfo
- Publication number
- CN216653440U CN216653440U CN202220058481.1U CN202220058481U CN216653440U CN 216653440 U CN216653440 U CN 216653440U CN 202220058481 U CN202220058481 U CN 202220058481U CN 216653440 U CN216653440 U CN 216653440U
- Authority
- CN
- China
- Prior art keywords
- tower
- distillation
- cooling
- cooling chamber
- bromine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000004821 distillation Methods 0.000 title claims abstract description 51
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004321 preservation Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 208000021302 gastroesophageal reflux disease Diseases 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- 238000009835 boiling Methods 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- JGJLWPGRMCADHB-UHFFFAOYSA-N hypobromite Inorganic materials Br[O-] JGJLWPGRMCADHB-UHFFFAOYSA-N 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a special distillation tower for bromine production, which comprises an inner distillation tower body, wherein a heat-preservation outer tower is arranged outside the inner distillation tower body, a preheating conveying pipe is wound on the outer side wall of the inner distillation tower body, the heat-preservation outer tower is connected with a cooling chamber through a steam conveying pipe, an inverted cooling tower is arranged in the cooling chamber, a circulating water mechanism is arranged in the inverted cooling tower, a collecting port is arranged at the bottom of the cooling chamber, and the cooling chamber is communicated with the heat-preservation outer tower through a return pipe. According to the utility model, through reasonably designing the structure of the distillation tower, the finished product is contacted with the sinking bromine gas in the process of being conveyed through the finished product conveying pipe, the sinking bromine gas can effectively heat the finished product in the preheating conveying pipe, and the low-temperature finished product can realize the cooling of the bromine gas, so that the mutual utilization of heat is realized, the safety of the finished product entering the distillation tower for reaction is ensured, and meanwhile, the energy consumption can be further saved.
Description
Technical Field
The utility model relates to the technical field of distillation towers, in particular to a distillation tower special for bromine production.
Background
The bromine distillation is a process of acidifying, oxidizing and absorbing raw material brine by a blowing and absorbing system to form hydrogen bromide finished liquid, introducing the finished liquid into a distillation tower, adding chlorine to oxidize bromide ions into bromine molecules, and separating mixed liquid by utilizing different boiling points of the components in a steam heating mode. The boiling point of bromine is 58.78 ℃, because of the difference of the boiling points, bromine with low boiling point is changed into bromine gas and is discharged from the top of the tower, waste liquid with high boiling point is discharged from the bottom of the tower, and bromine vapor discharged from the top of the tower is condensed and separated to obtain the finished bromine.
The distillation process is divided into three steps: preheating, oxidizing and distilling; the preheating aims at preventing the evaporated bromine gas from being condensed and absorbed by the finished liquid again after the absorption finished liquid enters the distillation tower, and reducing the evaporation rate of bromine. The temperature of the preheated finished liquid should be higher than the boiling point of bromine (58.78 ℃) and lower than the boiling point of water (100 ℃). If the preheating temperature is too low, bromine vapor is absorbed in the tower for circulation; too high a preheat temperature (at or above the boiling point of water) increases the bromine water content.
Preheating process can cause the waste of the energy to bromine vapour when discharging, need cool off, how reasonable with reasonable contact between bromine vapour and the resultant, realize thermal exchange, the energy saving is the problem that needs to solve now urgently, provides a special distillation column of bromine production for this reason now.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a distillation tower special for bromine production.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a special distillation column of bromine production, tower body in the distillation, the outer outside of tower body is provided with the outer tower that keeps warm in the distillation, the outer lateral wall winding of tower body is provided with preheating pipe in the distillation, the outer tower that keeps warm has the cooling chamber through steam duct connection, be provided with in the cooling chamber and invert the cooling tower, it is provided with circulating water mechanism in the cooling tower to invert, the cooling chamber bottom is provided with collects the mouth, the cooling chamber is linked together through back flow and the outer tower that keeps warm.
Preferably, the bottom of the distillation inner tower body is provided with a waste acid reflux groove, the side wall of the waste acid reflux groove is provided with a waste acid discharge pipe, and the distillation inner tower body is provided with a chlorine gas inlet.
Preferably, the distillation inner tower body is provided with a finished liquid inlet, one end of the preheating conveying pipe is connected with the finished liquid inlet, and the other end of the preheating conveying pipe is connected with a penetrating heat-preservation outer tower which extends outwards and is connected with a finished liquid conveying pipe.
Preferably, the steam conveying pipe comprises an upper conveying pipe and a lower conveying pipe, one end of the upper conveying pipe is connected with the top of the cooling chamber, and the other end of the upper conveying pipe is connected with the top of the heat-preservation outer tower.
Preferably, an air conveying disc is arranged outside the inverted cooling tower, and the side wall of the air conveying disc is communicated with the lower conveying pipe.
Preferably, the circulating water mechanism comprises a circulating water tank arranged on one side of the cooling chamber, a circulating pump is arranged in the circulating water tank, a circulating channel is densely and spirally arranged in the inverted cooling tower, and two ends of the circulating pump are connected with the circulating channel through a circulating pipeline.
Preferably, the top of the inverted cooling tower is provided with an adsorption fan, and the bottom of the inverted cooling tower is provided with a draining port.
Compared with the prior art, the utility model has the beneficial effects that:
this device is through the structure of reasonable design distillation column for accomplish the thing and carry out the transportation process through accomplishing the thing conveyer pipe, contact with sunken bromine gas, sunken bromine gas can be to preheating the completion thing in the conveyer pipe and effectively heating, and microthermal completion thing can realize the cooling to bromine gas, thereby realizes guaranteeing to accomplish the security that the thing got into the distillation column reaction when thermal utilization each other, also can practice thrift the energy consumption more.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a distillation column specially used for bromine production according to the present invention;
FIG. 2 is a schematic cross-sectional structure diagram of a distillation column specially used for bromine production according to the present invention.
In the figure: the device comprises a distillation inner tower body 1, a heat preservation outer tower 2, a preheating conveying pipe 3, a waste acid reflux groove 4, a cooling chamber 5, an inverted cooling tower 6, a collecting port 7, a reflux pipe 8, a waste acid discharging pipe 9, a chlorine gas inlet 10, a finished liquid inlet 11, a finished liquid conveying pipe 12, an upper conveying pipe 13, a lower conveying pipe 14, a gas conveying disc 15, a circulating water tank 16, a circulating channel 17 and an adsorption fan 18.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-2, a special distillation column of bromine production, tower body 1 in including the distillation, tower body 1 outside is provided with outer tower 2 that keeps warm in the distillation, tower body 1 bottom is provided with spent acid backward flow groove 4 in the distillation, 4 lateral walls in spent acid backward flow groove are provided with spent acid discharge pipe 9, be provided with chlorine air inlet 10 in the distillation on the tower body 1, the completion liquid import 11 has been seted up on the tower body 1 in the distillation, preheat conveyer pipe 3 one end and accomplish liquid import 11 and be connected, the other end is connected with and runs through the outside extension of outer tower 2 that keeps warm, and be connected with completion liquid conveyer pipe 12, when realizing will accomplishing the inside transport of liquid, the utilization is preheated conveyer pipe 3 and is heated the completion liquid.
The winding of 1 lateral wall of tower body is provided with preheating duct 3 in the distillation, heat preservation outer tower 2 has cooling chamber 5 through steam delivery pipe connection, steam delivery pipe includes top conveyer pipe 13 and below conveyer pipe 14, top conveyer pipe 13 one end is connected with 5 tops of cooling chamber, the other end is connected with heat preservation outer tower 2 tops, bromine gas can be under the effect of adsorption fan 18 from bottom to top with from the downward transport, can realize the cooling through inversion cooling tower 6 at this in-process, 6 outsides of inversion cooling tower are provided with gas transmission dish 15, 15 lateral walls of gas transmission dish communicate with below conveyer pipe 14.
An inverted cooling tower 6 is arranged in the cooling chamber 5, a circulating water mechanism is arranged in the inverted cooling tower 6, further, the circulating water mechanism comprises a circulating water tank 16 arranged on one side of the cooling chamber 5, a circulating pump is arranged in the circulating water tank 16, a circulating channel 17 is densely distributed in the inverted cooling tower 6, the cooling water can realize heat exchange with the inverted cooling tower 6 in a maximum limited mode through spiral distribution, two ends of the circulating pump are connected with the circulating channel 17 through a circulating pipeline, an adsorption fan 18 is arranged at the top of the inverted cooling tower 6, and a draining port is formed in the bottom of the inverted cooling tower 6, so that bromine liquid generated after bromine gas is condensed is recovered; the bottom of the cooling chamber 5 is provided with a collecting port 7, the cooling chamber 5 is communicated with the heat-preservation outer tower 2 through a return pipe 8, so that bromine gas cooled in the heat-preservation outer tower 2 can be liquefied into bromine liquid, and the bromine liquid is conveyed into the cooling chamber 5 through the return pipe 8.
Specifically, during production, the generated bromine gas is sent to the distillation inner tower body 1 to be discharged outwards, the bromine gas is divided into two parts to move under the action of air pressure, the bromine gas directly enters the upper conveying pipe 13 and is output to the cooling chamber 5 to form one part, the other part sinks to the outside of the distillation inner tower body 1 and is positioned in the middle of the heat preservation outer tower 2, at the moment, a finished product is conveyed into the distillation inner tower body 1 through the finished product conveying pipe 12, the finished product is conveyed through the preheating conveying pipe 3 during conveying, in the process, the sunk bromine gas can effectively heat the finished product in the preheating conveying pipe 3, the low-temperature finished product can cool the bromine gas, and the cooled bromine gas can be liquefied into bromine liquid and is conveyed into the cooling chamber 5 through the return pipe 8;
the residual bromine gas is conveyed into the cooling chamber 5 through a conveying pipe, the two parts of bromine gas are conveyed downwards from bottom to top and from bottom to top under the action of the adsorption fan 18, and the temperature is reduced through the inverted cooling tower 6 in the process, so that bromine water is formed and collected.
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 (7)
1. The utility model provides a special distillation column of bromine production, tower body (1) in including the distillation, its characterized in that, tower body (1) outside is provided with heat preservation outer tower (2) in the distillation, tower body (1) lateral wall winding is provided with preheating duct (3) in the distillation, heat preservation outer tower (2) have cooling chamber (5) through steam delivery pipe connection, be provided with inversion cooling tower (6) in cooling chamber (5), be provided with circulating water mechanism in inversion cooling tower (6), cooling chamber (5) bottom is provided with collection mouth (7), cooling chamber (5) are linked together through back flow (8) and heat preservation outer tower (2).
2. The distillation tower special for bromine production according to claim 1, wherein a waste acid reflux tank (4) is arranged at the bottom of the distillation inner tower body (1), a waste acid discharge pipe (9) is arranged on the side wall of the waste acid reflux tank (4), and a chlorine gas inlet (10) is arranged on the distillation inner tower body (1).
3. The distillation tower special for bromine production as claimed in claim 1, wherein the distillation inner tower body (1) is provided with a completion liquid inlet (11), one end of the preheating delivery pipe (3) is connected with the completion liquid inlet (11), and the other end is connected with a completion liquid delivery pipe (12) which penetrates through the heat-insulating outer tower (2) and extends outwards.
4. The distillation tower special for bromine production as claimed in claim 1, wherein the steam delivery pipe comprises an upper delivery pipe (13) and a lower delivery pipe (14), one end of the upper delivery pipe (13) is connected with the top of the cooling chamber (5), and the other end is connected with the top of the heat-preservation outer tower (2).
5. The distillation tower special for bromine production according to claim 4, wherein a gas transmission disc (15) is arranged outside the inverted cooling tower (6), and the side wall of the gas transmission disc (15) is communicated with the lower conveying pipe (14).
6. The distillation tower special for bromine production as claimed in claim 1, wherein the circulating water mechanism comprises a circulating water tank (16) arranged on one side of the cooling chamber (5), a circulating pump is arranged in the circulating water tank (16), a circulating channel (17) is densely and spirally arranged in the inverted cooling tower (6), and two ends of the circulating pump are connected with the circulating channel (17) through circulating pipes.
7. The distillation tower special for bromine production as claimed in claim 1, wherein the top of the inverted cooling tower (6) is provided with an adsorption fan (18), and the bottom of the inverted cooling tower (6) is provided with a draining port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220058481.1U CN216653440U (en) | 2022-01-11 | 2022-01-11 | Special distillation column of bromine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220058481.1U CN216653440U (en) | 2022-01-11 | 2022-01-11 | Special distillation column of bromine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216653440U true CN216653440U (en) | 2022-06-03 |
Family
ID=81761875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220058481.1U Expired - Fee Related CN216653440U (en) | 2022-01-11 | 2022-01-11 | Special distillation column of bromine production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216653440U (en) |
-
2022
- 2022-01-11 CN CN202220058481.1U patent/CN216653440U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |