CN207605385U - A kind of refined process units of chlorine - Google Patents
A kind of refined process units of chlorine Download PDFInfo
- Publication number
- CN207605385U CN207605385U CN201721561154.3U CN201721561154U CN207605385U CN 207605385 U CN207605385 U CN 207605385U CN 201721561154 U CN201721561154 U CN 201721561154U CN 207605385 U CN207605385 U CN 207605385U
- Authority
- CN
- China
- Prior art keywords
- chlorine
- rectifying column
- liquid
- tower
- purity
- 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.)
- Active
Links
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
A kind of refined process units of chlorine, mainly it is made of chlorine rectifying column and tower bottom reboiler, the chlorine rectifying column has multilayer tower tray, every layer of tower tray is provided with spout hole, spout hole in adjacent trays is arranged alternately, the chlorine rectifying column has liquid chlorine import, the liquid chlorine import is arranged in the middle and upper part of the chlorine rectifying column, the chlorine rectifier bottoms setting liquid chlorine exports, the liquid chlorine outlet connection tower bottom reboiler, tower bottom reboiler outlet is connect with the vaporization chlorine import of chlorine rectifying column lower part, high-purity chlorine gas outlet is arranged in side line in the middle part of the chlorine rectifying column.Capacity rating after device is gone into operation：Inlet amount reaches 31.2t/h, and the high-purity chlorine produced quantity of side line reaches 28.1t/h, and bottom of tower and overhead extraction amount are 3.1t/h.High-purity chlorine that carbon dioxide content reaches less than 20ppm, oxygen content 99.99% or more less than 20ppm, nitrogen content less than 50ppm, water content less than 5ppm, purity of chlorine gas feeding can be obtained through the present apparatus.The installation area is small, compared with existing equipment, does not increase power consumption.
Description
Technical field
The utility model provides a kind of refined process units of chlorine.
Background technology
It is 98.8% or so by the purity of chlorine gas feeding that electrolytic cell comes out, in addition contains carbon dioxide, oxygen, nitrogen, hydrogen etc.
Impurity.Some downstreams use chlorine products to need using impurity is few, purity is high chlorine as raw material, as trichloro ethylene, tetrachloro-ethylene,
Chloropropene etc..Currently, chlorine refines the chlorine after the production method purified mainly dries sulfuric acid in certain pressure and temperature
Under, it is cooled down with cold water or recirculated water, gaseous chlorine is made to be condensed into liquid, using the difference of chlorine and impurity boiling point, make low boiling
Point impurity is detached.It is used for the chlorine more than impure gas to produce the product of less demanding to purity of chlorine gas feeding, such as hydrochloric acid, secondary
Sodium chlorate etc..Then reusable heat water obtains the higher chlorine of purity to liquid chlorine heating vaporization.The main of this production method lacks
Putting is：Although chlorine purity after liquefaction vaporizes is improved, carbon dioxide, nitrogen, oxygen content in chlorine
It is still higher, under normal circumstances, carbon dioxide content 1000-2000ppm, oxygen content 300-500ppm, nitrogen content 300-
500ppm, water content 100-200ppm, purity of chlorine gas feeding is between 99.6-99.8%.
Utility model content
1, technical problems to be solved
The high defect of rear impurity content is purified to solve chlorine of the existing technology, the utility model provides a kind of chlorine
Refined process units, further removes the foreign gas in liquid chlorine, obtains carbon dioxide content less than 20ppm, oxygen content
Reach less than 50ppm, water content 99.99% or more high-purity chlorine less than 5ppm, purity of chlorine gas feeding less than 20ppm, nitrogen content
Gas.
2, technical solution
The purpose of this utility model is mainly realized by technical solution below.
A kind of chlorine of the utility model refines process units, is mainly made of chlorine rectifying column and tower bottom reboiler, institute
Stating chlorine rectifying column, there is liquid chlorine import, the liquid chlorine import to be arranged in the middle and upper part of the chlorine rectifying column, the chlorine essence
It evaporates tower bottom setting liquid chlorine to export, the liquid chlorine outlet connection tower bottom reboiler, tower bottom reboiler outlet and the chlorine rectifying
The vaporization chlorine import of tower lower part connects, and high-purity chlorine gas outlet is arranged in side line in the middle part of the chlorine rectifying column.
Further, there is the chlorine rectifying column multilayer tower tray, every layer of tower tray to be provided with spout hole, in adjacent trays
Spout hole is arranged alternately.
Further, it is provided with deflector between every layer of tower tray.
Further, the chlorine rectifying column is set as conical pinned sheepshank in high-purity chlorine gas outlet upper position
Structure, the chlorine rectifying column are less than conical contraction structure portion below in the diameter of the conical structure above section
Point.
Further, tower top chlorine gas outlet is set at the top of the chlorine rectifying column, and the tower top chlorine gas outlet connects tower top
Condenser, the liquid chlorine under the overhead condenser condensation pass back into chlorine rectifying column through N7 mouthfuls, and the lower chlorine of purity enters 2#
Chlorine superheater.
Further, the chlorine rectifier bottoms are additionally provided with N3 mouthfuls, and liquid chlorine containing heavy constituent is flowed out by described N3 mouthfuls
Into chlorine liquid carburetor.
3, advantageous effect：
Compared with prior art, a kind of advantageous effect of the refined process units of chlorine of the utility model is：
(1), purity of chlorine gas feeding height is produced, impurity content is few.The production method of the utility model chlorine compared with original method
Purity can be to 99.99% or more, and carbon dioxide content is less than less than 20ppm, oxygen content less than 20ppm, nitrogen content
50ppm, water content are less than high-purity chlorine of 5ppm.
(2), device therefor floor space is small.Former chlorine gas liquefaction equipment and vaporising device can be utilized, chlorine essence is only increased
Tower and overhead condenser and bottom of tower chlorine liquid carburetor this three equipment are evaporated, investment is less, and floor space is small.
(3), do not increase power consumption.The production method of the utility model can utilize the production that original chlorine gas liquefaction vaporizes
Equipment only need to increase chlorine rectifying column, overhead condenser, bottom of tower chlorine liquid carburetor, and tower bottom reboiler is equivalent to original liquid chlorine
Vaporizer is not required in addition increase power consumption.
(4), the refined production device capability of the chlorine of the utility model is big, and energy continuous-stable industrialized production, device is set
Meter ability：Inlet amount is 31t/h, and the high-purity chlorine produced quantity of side line is 28t/h, and bottom of tower and overhead extraction amount are 3t/h.Device is thrown
Postpartum capacity rating：Inlet amount reaches 31.2t/h, and the high-purity chlorine produced quantity of side line reaches 28.1t/h, bottom of tower and overhead extraction amount
For 3.1t/h.
Description of the drawings
Fig. 1 is the process units schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the chlorine rectifying column in the utility model.
In figure：1-NI mouthfuls, 2-N2 mouthfuls, 3-N3 mouthfuls, 4-N4 mouthfuls, 5-N5 mouthfuls, 6-N6 mouthfuls, 7-N7 mouthfuls, 8 chlorine rectifying columns, 9-
Tower bottom reboiler, 10-1# chlorine superheaters, 11- overhead condensers, 12-2# chlorine superheaters, 13- chlorine liquid carburetors, 14- towers
Disk, 15- deflectors, 16- cone contraction structures.
Specific implementation mode
Hereinafter, specific embodiment of the utility model is described in detail in refer to the attached drawing, in detail according to these
Thin description, one of ordinary skill in the art can implement the utility model it can be clearly understood that the utility model.It is not disobeying
In the case of carrying on the back the utility model principle, the feature in each different embodiment can be combined to obtain new embodiment party
Formula, or certain features in some embodiments are substituted, obtain other preferred embodiments.
Fig. 1 is shown refines process units according to a kind of chlorine that the preferred embodiment in the utility model is constituted.Such as Fig. 1-2 institutes
Show, a kind of refined process units of chlorine is mainly made of chlorine rectifying column 8 and tower bottom reboiler 9, the chlorine rectifying column 8 has
There are multilayer tower tray 14, every layer of tower tray 14 to be provided with spout hole, the spout hole in adjacent trays 14 is arranged alternately, every layer of tower tray
Deflector 15 is provided between 14.8 middle and upper part of chlorine rectifying column has liquid chlorine import N1 mouths 1,8 bottom of chlorine rectifying column
Liquid chlorine is set and exports 2 connection tower bottom reboiler 9 of N2 mouths, the vaporization chlorine of tower bottom reboiler outlet and 8 lower part of chlorine rectifying column
Import N4 mouths 4 connect, and 8 middle and upper part of chlorine rectifying column is provided with high-purity chlorine gas outlet N5 mouths 5.In 5 upper bit of N5 mouths
The chlorine rectifying column set is set as conical contraction structure 16, and chlorine rectifying column 8 is in 16 above section of the conical structure
Diameter is less than 15 part below of the conical contraction structure.
Chlorine through the utility model refine process units chlorine manufacturing process be：
Liquid chlorine enters 8 middle and upper part of chlorine rectifying column from N1 mouths 1, and bottom of tower, bottom of tower liquid chlorine warp are flowed downwardly into the form of single overflow
N2 mouths 2, which exit into after tower bottom reboiler 9 vaporizes, forms vaporization chlorine, and the vaporization chlorine enters from 8 lower part N4 mouths 4 of chlorine rectifying column
The chlorine rectifying column 8；Vaporization chlorine rises from bottom to top from 8 bottom of chlorine rectifying column, and hot friendship is carried out with from the liquid chlorine above flowed down
It changes, vaporization cl part condensation, liquid chlorine part vaporization separates it into high-purity chlorine, in chlorine rectifying column middle and upper part N5 mouths 5
Acquire out high-purity smart chlorine.The high-purity smart chlorine of 8 middle part side take-off of chlorine rectifying column is through 1# chlorine superheater 10 with 60-80 DEG C
After hot water is superheated to 50 DEG C or more, it is sent to tetrachloro-ethylene device and chloropropene device.The chlorine gas pressure control of chlorine rectifying tower bottom
In 500-600KPa, temperature is controlled at 16-24 DEG C.
Liquid chlorine under overhead condenser 11 condenses flows into chlorine rectifying column 8 through N7 mouthfuls, and the lower gas phase chlorine of purity is sent to
2# chlorine superheater 12；Bottom of tower more liquid chlorine containing heavy constituent is sent to chlorine liquid carburetor 13 by N3 mouthfuls, with hot water indirectly heat
After vaporization, the 2# chlorine superheater 12 being incorporated on the outlet of overhead condenser 11 low-purity gas phase chlorine pipeline, through a 60-80 DEG C of left side
Right hot water is sent to propylene oxide unit after being superheated to 50 DEG C or more.
Chlorine gas liquefaction, rectifying water system make full use of chlorine liquid carburetor 13, bottom of tower again using cycle in liquefaction carburetion system
The cold that liquid chlorine vaporization is released in device 9 is boiled, come the chlorine in level-one chlorine liquefier that liquefies, produces liquid chlorine, the chlorine not liquefied
Gas recycles two level chlorine liquefier inner cold water to liquefy.Go out chlorine liquid carburetor 13, tower bottom reboiler 9 circulating water temperature because
Liquid chlorine vaporization substantially reduces after absorbing heat, and running temperature flows into after cold water tank at 20-30 DEG C and squeezes into the upper water of cycle with water supply pump
Pipe, 25-35 DEG C is heated into level-one chlorine liquefier liquefied chlorine gas, then through chiller heater.Then recirculated water passes through pipeline
Into chlorine liquid carburetor 13, tower bottom reboiler 9, recycle.
Liquefied chlorine sampling result of laboratory test is as follows after chlorine cooling liquid：
The smart chlorine sample examination result of chlorine rectifying column survey line extraction is as follows after chlorine gas liquefaction rectifier unit is gone into operation：
| Serial number | Purity of chlorine gas feeding | Carbon dioxide content | Oxygen content | Nitrogen content | Hydrogen content | Water content |
| 1 | 99.99% | 18ppm | 20ppm | 45ppm | It is not detected | 4.5ppm |
| 2 | 99.99% | 15ppm | 18ppm | 38ppm | It is not detected | 5ppm |
| 3 | 99.99% | 16ppm | 17ppm | 49ppm | It is not detected | 4.5ppm |
Although the utility model is described above by referring to specific embodiment, fields technology people
Member can be directed to configuration disclosed by the utility model and details it should be appreciated that in principle disclosed by the utility model and range
Make many modifications.The scope of protection of the utility model is determined by the attached claims, and claim is intended to
Whole modifications that the equivalent literal meaning of technical characteristic or range are included in claim.
Claims (6)
1. a kind of chlorine refines process units, it is characterised in that：It is mainly made of chlorine rectifying column and tower bottom reboiler, the chlorine
There is gas rectifying column liquid chlorine import, the liquid chlorine import to be arranged in the middle and upper part of the chlorine rectifying column, the chlorine rectifying column
Bottom setting liquid chlorine exports, the liquid chlorine outlet connection tower bottom reboiler, under tower bottom reboiler outlet and the chlorine rectifying column
The vaporization chlorine import in portion connects, and high-purity chlorine gas outlet is arranged in side line in the middle part of the chlorine rectifying column.
2. a kind of chlorine as described in claim 1 refines process units, which is characterized in that the chlorine rectifying column has multilayer
Tower tray, every layer of tower tray are provided with spout hole, and the spout hole in adjacent trays is arranged alternately.
3. a kind of chlorine as claimed in claim 2 refines process units, which is characterized in that be provided between every layer of tower tray
Deflector.
4. a kind of chlorine as claimed in claim 3 refines process units, which is characterized in that the chlorine rectifying column is in the height
Pure chlorine gas outlet upper position is set as conical contraction structure, and the chlorine rectifying column is more than the conical contraction structure
Partial diameter is less than conical contraction structure part below.
5. a kind of chlorine as claimed in claim 4 refines process units, which is characterized in that setting at the top of the chlorine rectifying column
Tower top chlorine gas outlet, the tower top chlorine gas outlet connect overhead condenser, and the liquid chlorine under the overhead condenser condensation is through N7 mouthfuls
Chlorine rectifying column is passed back into, the lower chlorine of purity enters 2# chlorine superheaters.
6. a kind of chlorine as claimed in claim 5 refines process units, which is characterized in that the chlorine rectifier bottoms are also set
N3 mouthfuls are equipped with, liquid chlorine containing heavy constituent exits into chlorine liquid carburetor by described N3 mouthfuls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561154.3U CN207605385U (en) | 2017-11-21 | 2017-11-21 | A kind of refined process units of chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561154.3U CN207605385U (en) | 2017-11-21 | 2017-11-21 | A kind of refined process units of chlorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207605385U true CN207605385U (en) | 2018-07-13 |
Family
ID=62795198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721561154.3U Active CN207605385U (en) | 2017-11-21 | 2017-11-21 | A kind of refined process units of chlorine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207605385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715491A (en) * | 2017-11-21 | 2018-02-23 | 滨化集团股份有限公司 | A kind of chlorine refines process units |
-
2017
- 2017-11-21 CN CN201721561154.3U patent/CN207605385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715491A (en) * | 2017-11-21 | 2018-02-23 | 滨化集团股份有限公司 | A kind of chlorine refines process units |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107715491A (en) | A kind of chlorine refines process units | |
| CN207605385U (en) | A kind of refined process units of chlorine | |
| CN106322917A (en) | Technique for liquefying air through liquid nitrogen and rectifying classification | |
| US2164275A (en) | Distillation of glycerin | |
| CN102417266B (en) | Climbing film type multi-effect water distillator | |
| CN106883897A (en) | BOG separating-purifyings equipment and technique | |
| CN104478752B (en) | A kind of spandex fiber production process DMAC refining system | |
| JPH10132458A (en) | Method and equipment for producing oxygen gas | |
| CN105669353B (en) | Ethylbenzene styrene separation process | |
| CN208617729U (en) | A kind of production system of high-purity ethyl orthosilicate | |
| CN101696154B (en) | Glycerol distilling process and special glycerol distillation tower thereof | |
| TWI815464B (en) | Separation tower for treating condensate and method thereof | |
| CN104524806B (en) | A kind of hexamethylenamine complete continuous crystallisation production technology and equipments | |
| US2142446A (en) | Process and apparatus for the separation of gases by rectification | |
| CN109279587A (en) | The device and method thereof of concentrated krypton-xenon concentrate in a kind of liquid oxygen | |
| CN206721149U (en) | BOG separating-purifying equipment | |
| CN104662384B (en) | For the method and apparatus for separating the mixture containing carbon dioxide by low temperature distillation | |
| US2502251A (en) | Apparatus for the separation of gaseous mixtures | |
| CN105254463B (en) | The method that methane is extracted from containing methane, hydrogen, the gaseous mixture of nitrogen | |
| CN207991091U (en) | A kind of device extracting krypton and xenon from Extra large air separation plant | |
| US1962176A (en) | Apparatus for separating mixed gases by selective liquefaction | |
| CN202440400U (en) | Film-rising type multi-effect distilled water machine | |
| US1963841A (en) | Cocurrent evaporator with counter-current condensation for fractional liquefaction | |
| CN208617730U (en) | A kind of production system of high-purity ethyl orthosilicate | |
| RU2020127582A (en) | METHOD AND INSTALLATION FOR OBTAINING CARBON MONOXIDE BY PARTIAL CONDENSATION |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |