CN208898508U - A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes - Google Patents
A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes Download PDFInfo
- Publication number
- CN208898508U CN208898508U CN201821516418.8U CN201821516418U CN208898508U CN 208898508 U CN208898508 U CN 208898508U CN 201821516418 U CN201821516418 U CN 201821516418U CN 208898508 U CN208898508 U CN 208898508U
- Authority
- CN
- China
- Prior art keywords
- sulfuric acid
- dilute sulfuric
- organic matter
- level
- boiling organic
- 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
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a kind of dry by-product dilute sulfuric acids of chloromethanes to purify enrichment facility, the purification enrichment facility includes interconnected organic matter isolation of purified system and dilute sulfuric acid vacuum concentration system, the machine object isolation of purified system includes the low boiling organic matter knockout tower being sequentially connected to and high boiling organic matter knockout tower, and the low boiling organic matter knockout tower is not respectively with low-pressure saturated steam feeding mechanism, oxygen-containing gas storage device is connected；The high boiling organic matter knockout tower is connected with low-pressure saturated steam feeding mechanism；The dilute sulfuric acid vacuum concentration system is connected with methane chloride production device.The utility model is integral organic matter isolation of purified system in dilute sulfuric acid and the combination of dilute sulfuric acid vacuum concentration system, recycles methane chloride production device is returned after the purification concentration of methane chloride by-product dilute sulfuric acid；Solve methane chloride by-product dilute sulfuric acid high organic content, the problem of secondary use difficulty.
Description
Technical field
The utility model relates to a kind of dilute sulfuric acids to purify enrichment facility, more particularly, to a kind of dry dilute sulphur of by-product of chloromethanes
Acid purification enrichment facility.
Background technique
It is needed in the production process of chloromethanes using harmful substance in concentrated sulfuric acid washing, purifying methyl chloride gas: diformazan
Ether, methanol and water vapour, so that by-product goes out the dilute sulfuric acid containing organic matter, which gives two due to containing a large amount of organic matter
Secondary utilization brings very big difficulty.Dimethyl ether and strong sulfuric acid response especially in acid generate the Methylsulfate of severe toxicity, this
The direct secondary use of the dilute sulfuric acid of sample, can generate unpredictalbe security risk.If cannot safe and effective removing dilute sulphur
Organic matter in acid, the sulfuric acid after being concentrated first cannot return to methane chloride production device cycling and reutilization, secondly dilute sulfuric acid
In organic matter chloromethanes, dimethyl ether be inflammable and explosive substance, be enriched in vacuum system, security risk is big.Last acid
Middle extremely toxic substance Methylsulfate can enter in waste water, and secondary pollution is serious.
China is the producing country of the maximum methane chloride of production capacity, organosilicon and glyphosate in the world, methane chloride and
Methanol hydrogen chlorine method production chloromethanes, by-product when the raw material dimethylphosphite of glyphosate synthesizes are all made of in organic silicon production process
Chloromethanes, thus in methane chloride, organosilicon and glyphosate production process can dilute sulfuric acid of the by-product containing organic matter, not exclusively
About 300,000 tons of dilute sulfuric acid of year by-product 80%~90% are counted, since 2017, in the background that environmentally friendly rectification dynamics constantly enhances
Under, the processing difficulty problem that methane chloride washs dry by-product dilute sulfuric acid more highlights.
If can develop suitable technology sufficiently removes organic matter in sulfuric acid, skill is then concentrated in vacuo using dilute sulfuric acid
Dilute sulfuric acid is concentrated into 95% or more by art, is returned to methane chloride production device and is recycled, this addresses the problem methane chlorinations
Object washs the processing difficulty problem of dry by-product dilute sulfuric acid, has significant economic benefit and social benefit.
Utility model content
In order to overcome the shortcomings of the prior art, it is net that the utility model provides a kind of dry by-product dilute sulfuric acid of chloromethanes
Change enrichment facility.
A kind of dry by-product dilute sulfuric acid of chloromethanes purifies enrichment facility, and the purification enrichment facility includes interconnected having
Machine object isolation of purified system and dilute sulfuric acid vacuum concentration system, the machine object isolation of purified system include that the low boiling being sequentially connected to has
Machine object knockout tower and high boiling organic matter knockout tower, the low boiling organic matter knockout tower respectively with low-pressure saturated steam feeding mechanism,
Oxygen-containing gas storage device is not connected；The high boiling organic matter knockout tower is connected with low-pressure saturated steam feeding mechanism；Institute
Dilute sulfuric acid vacuum concentration system is stated to be connected with methane chloride production device.
Preferably, the dilute sulfuric acid vacuum concentration system is single-stage or second level or three-level concentration.Dilute sulfuric acid vacuum concentration
The treating capacity for the dilute sulfuric acid that system design is handled as needed can be designed to that level-one (a vacuum concentration slot) dilute sulfuric acid is concentrated
Process；Second level (two vacuum concentration slot series connection) dilute sulfuric acid is concentrated in vacuo process；Three-level (three vacuum concentration slot series connection) dilute sulphur
Acid vacuum concentration process.
Preferably, the low boiling organic matter separation column is connected with low-boiling-point substance cooler, the low-boiling-point substance is cooling
Device is connected with heat accumulating type heating power incinerator；The high boiling organic matter separation column is connected with high-boiling components cooler, described
High-boiling components cooler is connected with water-ring vacuum pump assembly, and the water-ring vacuum pump assembly is connected with heat accumulating type heating power incinerator
It is logical.
Preferably, the high-boiling components cooler is connected with organic matter collecting tank, the organic matter collecting tank passes through useless
Liquid delivery pump is connected with liquid waste treating apparatus.
Preferably, the dilute sulfuric acid vacuum concentration system includes that the level-one dilute sulfuric acid thickener being sequentially connected to and second level are dilute
Sulphuric acid concentration slot, the level-one dilute sulfuric acid thickener is connected with level-one exhaust gas cooler, middle pressure steam distribution platform respectively, described
Middle pressure steam distribution platform be connected with middle pressure steam feeding mechanism, the level-one dilute sulfuric acid thickener also with dilute sulfuric acid scrubbing tower phase
Connection；The level-one exhaust gas cooler is connected with waste water tank, vacuum pump assembly respectively.
Preferably, the second level dilute sulfuric acid thickener distributes platform, dilute sulfuric acid dip with sour heat exchanger, middle pressure steam respectively
It washs tower to be connected, the sour heat exchanger of acid is connected with concentrated sulfuric acid medial launder, and the concentrated sulfuric acid medial launder passes through concentrated acid cooler
It is connected with methane chloride production device, the concentrated sulfuric acid medial launder is also connected with hydrogen peroxide adding apparatus；Dilute sulphur
Acid elution top of tower is connected by second level exhaust gas cooler with waste water tank, the waste water tank by waste water circulating pump with it is dilute
Sulfuric acid scrubbing tower bottom is connected；The second level exhaust gas cooler is pumped by vapor jet vacuum to be connected with steam condenser,
The steam condenser is connected with vacuum pump assembly, waste water tank respectively, and the waste water tank is connected with vacuum pump assembly,
The waste water tank also passes through waste water delivery pump and is connected with waste water processing station.
Preferably, the low boiling organic matter knockout tower is connected with sour heat exchanger, low boiling organic matter knockout tower and height
It boils and is equipped with dilute sulfuric acid medial launder between organic matter knockout tower, the dilute sulfuric acid medial launder passes through diluted acid delivery pump and high boiling organic matter
Knockout tower is connected, and the high boiling organic matter separation tower bottom is connected with sour medial launder is purified, the sour medial launder point of the purification
It is not connected with level-one exhaust gas cooler, level-one dilute sulfuric acid thickener, the sour medial launder of the purification and level-one dilute sulfuric acid thickener
Between be equipped with purification diluted sulfric acid delivery pump.
The not oxygen-containing gas is nitrogen or carbon dioxide.For explosive low boiling organic matter easily right in dilute sulfuric acid, use
Oxygen-free gas (such as nitrogen, carbon dioxide) air lift separating technology is because since chloromethanes, dimethyl ether, methanol are in sky
Explosion limit content Di≤3% in gas, security risk is big in oxygen containing environment.
The principles of the present invention are:
80~90% sulfuric acid from chloromethanes purification section contain the gas chromatographies such as chloromethanes, dimethyl ether, Methylsulfate,
Due to chloromethanes, aerial explosion limit content Di≤3% of dimethyl ether, so low-boiling-point substance knockout tower is introduced into, using not
Oxygen containing gas (such as nitrogen) carries out air lift separation, because chloromethanes, dimethyl ether are low-boiling organic matters, in low-boiling-point substance point
Suitable low-pressure saturated steam, which is directly added into, from tower directly heats dilute sulfuric acid to 120 DEG C, the chloromethane in dilute sulfuric acid under 120 DEG C of high temperature
Alkane, dimethyl ether solubility reduce, combination nitrogen air lift separation, thus organic matter inflammable and explosive in dilute sulfuric acid, in nitrogen
Dilute sulfuric acid is isolated in environment；
High boiling organic matter Methylsulfate (188 DEG C of boiling point) is can not have in the environment of low-boiling-point substance knockout tower in dilute sulfuric acid
What limit was separated from dilute sulfuric acid, while Methylsulfate can be decomposed acutely when close to boiling temperature, easily cause safety accident.Therefore
It is the high-boiling components knockout tower designed under the conditions of certain vacuum degree, it is full using low pressure under -0.06MPa~-0.08MPa pressure
It is stripped with steam direct heating, controls temperature at 170 DEG C hereinafter, the generation for preventing Methylsulfate from acutely decomposing；Water is utilized simultaneously
Tower is stripped off in Methylsulfate by steam from dilute sulfuric acid, and centralized processing is collected in condensation in tower top cooler.
Removing organic matter dilute sulfuric acid pump in this way is sent into dilute sulfuric acid vacuum concentration system, under middle pressure steam heating, lower
Vacuum degree condition (- 0.08MPa~-0.1MPa) under, be concentrated by single-stage or second level or three-level, it is dense to be concentrated into 93%~96%
Degree, is added a small amount of hydrogen peroxide for decoloration, is made and meets the dry concentrated sulfuric acid of methane chloride washing, returns to process units circulation benefit
With.Wherein hydrogen peroxide for decoloration is intended merely to the quality requirement that the concentration finished product concentrated sulfuric acid meets industrial by-product qualification sulfuric acid color, such as
The fruit concentration finished product concentrated sulfuric acid is only limited to our factory's recycling, not for sale, can be added without hydrogen peroxide for decoloration.
The utility model has the beneficial effects that:
1, separation, the safe and efficient low boiling and height isolated in methane chloride by-product dilute sulfuric acid are mentioned using gas (vapour)
Organic matter is boiled, recycles and creates conditions for the vacuum concentration of dilute sulfuric acid；
2, it for explosive low boiling organic matter easily right in dilute sulfuric acid, is separated using oxygen-free gas air lift, is used simultaneously
Low-pressure saturated steam directly heats sulfuric acid, makes full use of the heat of dilution of sulfuric acid, and operating cost is low, and safety is good；
3, the setting of high-boiling components knockout tower and stripping is directly heated using low-pressure saturated steam, prevents Methylsulfate from acutely dividing
The generation of solution；Methylsulfate is evaporated from dilute sulfuric acid using water vapour, decomposes, tower is stripped off simultaneously；
4, organic matter isolation of purified system in dilute sulfuric acid and the combination of dilute sulfuric acid vacuum concentration system is integral, methane chlorine
Methane chloride production device is returned to after the purification concentration of compound by-product dilute sulfuric acid to recycle；It is dilute to solve methane chloride by-product
Sulfuric acid high organic content, the problem of secondary use difficulty.
Detailed description of the invention
Fig. 1 is the flow diagram of the utility model organic matter isolation of purified system；
Fig. 2 is the flow diagram of the utility model dilute sulfuric acid vacuum concentration system.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but claimed by the utility model
Range be not limited to this.
Referring to Fig.1, Fig. 2, a kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes, the purification enrichment facility include
Interconnected organic matter isolation of purified system and dilute sulfuric acid vacuum concentration system, the machine object isolation of purified system include sequentially
The low boiling organic matter knockout tower 1 and high boiling organic matter knockout tower 2 of connection, the low boiling organic matter knockout tower 1 are full with low pressure respectively
With steam providing apparatus 3, oxygen-containing gas storage device 4 is not connected；The high boiling organic matter knockout tower 2 and low-pressure saturated steam
Feeding mechanism 3 is connected；The dilute sulfuric acid vacuum concentration system is connected with methane chloride production device 5.
1 top of low boiling organic matter knockout tower is connected with low-boiling-point substance cooler 6, the low-boiling-point substance cooler 6 and storage
Hot type heating power incinerator 7 is connected；2 top of high boiling organic matter knockout tower is connected with high-boiling components cooler 8, described high boiling
Object cooler 8 is connected with water-ring vacuum pump assembly 9, and the water-ring vacuum pump assembly 9 is connected with heat accumulating type heating power incinerator.
The high-boiling components cooler 8 is connected with organic matter collecting tank 10, the organic matter collecting tank 10 by waste liquid delivery pump 11 with
Liquid waste treating apparatus 12 is connected.
The dilute sulfuric acid vacuum concentration system is secondary concentration, and the dilute sulfuric acid vacuum concentration system includes sequentially being connected to
Level-one dilute sulfuric acid thickener 13 and second level dilute sulfuric acid thickener 14, the level-one dilute sulfuric acid thickener 13 are cold with level-one tail gas respectively
But device 15, middle pressure steam distribution platform 16 are connected, and medium pressure steam distribution platform 16 is connected with middle pressure steam feeding mechanism 17,
The level-one dilute sulfuric acid thickener 13 is also connected with dilute sulfuric acid scrubbing tower 18；The level-one exhaust gas cooler 15 respectively with waste water
Storage tank 19, vacuum pump assembly 20 are connected；
The second level dilute sulfuric acid thickener 14 is washed with sour heat exchanger 21, middle pressure steam distribution platform 16, dilute sulfuric acid respectively
Tower 18 is connected, and the sour heat exchanger 21 of acid is connected with concentrated sulfuric acid medial launder 22, and the concentrated sulfuric acid medial launder 22 passes through concentrated acid
Cooler 23 is connected with methane chloride production device 5, the concentrated sulfuric acid medial launder 22 also with 24 phase of hydrogen peroxide adding apparatus
Connection；It is connected by second level exhaust gas cooler 25 with waste water tank 19 at the top of the dilute sulfuric acid scrubbing tower 18, the waste water storage
Slot 19 is connected by waste water circulating pump 26 with 18 bottom of dilute sulfuric acid scrubbing tower；The second level exhaust gas cooler 25 is sprayed by steam
Vacuum pump 27 is penetrated to be connected with steam condenser 28, the steam condenser 28 respectively with vacuum pump assembly 20, waste water tank 19
Be connected, the waste water tank 19 is connected with vacuum pump assembly 20, the waste water tank 19 also by waste water delivery pump 29 with
Waste water processing station 30 is connected.
The low boiling organic matter knockout tower 1 is connected with sour sour heat exchanger 21, low boiling organic matter knockout tower 1 with it is high boiling organic
Between object knockout tower 2 be equipped with dilute sulfuric acid medial launder 31, the dilute sulfuric acid medial launder 31 by diluted acid delivery pump 32 with it is high boiling organic
Object knockout tower 2 is connected, and high boiling 2 bottom of organic matter knockout tower is connected with sour medial launder 33 is purified, in the purification acid
Between slot 33 be connected respectively with level-one exhaust gas cooler 15, level-one dilute sulfuric acid thickener 13, the sour medial launder 33 and one of the purification
Purification diluted sulfric acid delivery pump 34 is equipped between grade dilute sulfuric acid thickener 13.
The not oxygen-containing gas is nitrogen or carbon dioxide.For explosive low boiling organic matter easily right in dilute sulfuric acid, use
Oxygen-free gas (such as nitrogen, carbon dioxide) air lift separating technology is because since chloromethanes, dimethyl ether, methanol are in sky
Explosion limit content Di≤3% in gas, security risk is big in oxygen containing environment.
When above-mentioned apparatus purifies concentration technology for the dry by-product dilute sulfuric acid of chloromethanes, specifically include the following steps:
(1) from methane chloride production device by-product 80%~90% dilute sulfuric acid metering (the 10% of design value~
120%), the sour heat exchanger 21 of acid and the dense sulphur of high temperature from second level dilute sulfuric acid thickener 14 are sent into pressurization (0.2MPa~0.5MPa)
Enter low boiling organic matter knockout tower 1 after acid heat exchange, with low-pressure saturated steam (0.1MPa~0.8MPa) and nitrogen from tower reactor
The Mass and heat transfer in packing layer, low-pressure saturated steam directly heat chloromethanes and dimethyl ether of the dilute sulfuric acid to 120 DEG C, in dilute sulfuric acid
It is stripped out tower, is delivered to heat accumulating type heating power incinerator 7 under nitrogen protection；The dilute sulfuric acid of tower reactor removing chloromethanes and dimethyl ether
From flowing in dilute sulfuric acid medial launder 31 by 32 pressurized delivered of diluted acid delivery pump to high boiling organic matter knockout tower 2, and from tower bottom
Water vapour Mass and heat transfer in packing layer controls temperature at 170 DEG C hereinafter, dilute sulphur under -0.06MPa~-0.08MPa pressure
Methylsulfate in acid is evaporated, decomposes, and tower is stripped off；Out the organic matter of high boiling 2 tower top of organic matter knockout tower and water vapour into
Enter high-boiling components cooler 8, the organic matter and water vapour in tail gas are condensed into wastewater collection to organic matter collecting tank 10, high boiling out
Object cooler it is a small amount of can condensing and a large amount of fixed gas (dimethyl ether) enter water-ring vacuum pump assembly 9, final organic exhaust gas
Battery limit (BL) is sent out to heat accumulating type heating power incinerator；The waste liquid collected in organic matter collecting tank 10 sends out battery limit (BL) through waste liquid delivery pump 11
Remove liquid waste treating apparatus 12；
(2) go out high boiling 2 tower reactor high temperature sulfuric acid overflow of organic matter knockout tower and enter the sour medial launder 33 of purification, certain true
Part water vapour is flashed off under reciprocal of duty cycle (- 0.09MPa) enters the condensation of level-one exhaust gas cooler 15；Then purification diluted sulfric acid delivery pump is used
The dilute sulfuric acid of 34 removing organic matters is sent into level-one dilute sulfuric acid thickener 13, heats at middle pressure steam (1.6MPa~2.0MPa)
Under, under vacuum conditions (- 0.09MPa), multiple indoor acid solution explosive evaporations at a lower temperature of concentration, concentration in concentration kettle
It improves step by step, the partition of enriched chambers at different levels prevents the reflux of acid solution, ensure that the average temperature of maximum between acid solution and heating tube
Difference, takes full advantage of the heating surface (area) (HS of tantalum pipe surface, so that the sulfuric acid for flowing out afterbody enriched chamber reaches 86%；Level-one is dilute
The water vapour that sulphuric acid concentration slot 13 evaporates enters the condensation of level-one exhaust gas cooler 15, and fixed gas enters vacuum pump assembly 20；It is cold
Solidifying sulfur acid wastewater collection is in waste water tank 19；
(3) the 86% sulfuric acid overflow for going out level-one dilute sulfuric acid thickener 13 enters second level dilute sulfuric acid thickener 14, in more Gao Zhen
Under empty condition (- 0.1MPa), multiple indoor acid solution explosive evaporations at a lower temperature of concentration in secondary concentration kettle, concentration is step by step
It improves, the partition of enriched chambers at different levels prevents the reflux of acid solution, ensure that the maximum mean temperature difference between acid solution and heating tube, fill
Divide the heating surface (area) (HS that tantalum pipe surface is utilized, so that the sulfuric acid for flowing out afterbody enriched chamber reaches 96%；96% high temperature sulphur
Sour overflow finally enters concentrated sulfuric acid medial launder 22, metered hydrogen peroxide through 21 recovery section thermal energy of peracid acid heat exchanger
(27.5%~50%) it decolourizes, the sulfuric acid that the finished product of completion is concentrated is recycled through the cooling methane chloride production device 5 that returns；
(4) water vapour and sulfuric acid vapor that second level dilute sulfuric acid thickener 14 evaporates enter dilute sulfuric acid scrubbing tower 18, washing
Dilute sulfuric acid overflow go out wash tower reactor enter level-one dilute sulfuric acid thickener 13, the water vapour after washing enters second level exhaust gas cooler
It is condensed in 25, on-condensible gas after cooling is introduced into vapor jet vacuum pump 27, enters back into vacuum pump assembly 20；The sulfur-bearing of condensation
Sour wastewater collection is sent to waste water processing station 30 through waste water delivery pump 29 and is focused in waste water tank 19, not coagulating in tail gas
Gas is discharged through vacuum pump assembly 20.
Claims (7)
1. a kind of dry by-product dilute sulfuric acid of chloromethanes purifies enrichment facility, it is characterised in that: the purification enrichment facility includes phase
Intercommunicated organic matter isolation of purified system and dilute sulfuric acid vacuum concentration system, the machine object isolation of purified system include sequentially connecting
Logical low boiling organic matter knockout tower and high boiling organic matter knockout tower, the low boiling organic matter knockout tower respectively with low-pressure saturated steam
Feeding mechanism, oxygen-containing gas storage device is not connected；The high boiling organic matter knockout tower and low-pressure saturated steam feeding mechanism
It is connected；The dilute sulfuric acid vacuum concentration system is connected with methane chloride production device.
2. the dry by-product dilute sulfuric acid of chloromethanes according to claim 1 purifies enrichment facility, it is characterised in that: dilute sulphur
Sour vacuum concentration system is single-stage or second level or three-level concentration.
3. the dry by-product dilute sulfuric acid of chloromethanes according to claim 1 purifies enrichment facility, it is characterised in that: the low boiling
Organic matter separation column is connected with low-boiling-point substance cooler, and the low-boiling-point substance cooler is connected with heat accumulating type heating power incinerator
It is logical；The high boiling organic matter separation column is connected with high-boiling components cooler, the high-boiling components cooler and water ring vacuum pump
Unit is connected, and the water-ring vacuum pump assembly is connected with heat accumulating type heating power incinerator.
4. the dry by-product dilute sulfuric acid of chloromethanes according to claim 3 purifies enrichment facility, it is characterised in that: described high boiling
Object cooler is connected with organic matter collecting tank, and the organic matter collecting tank is connected by waste liquid delivery pump with liquid waste treating apparatus
It is logical.
5. the dry by-product dilute sulfuric acid of chloromethanes according to claim 1 purifies enrichment facility, it is characterised in that: dilute sulphur
Sour vacuum concentration system includes the level-one dilute sulfuric acid thickener being sequentially connected to and second level dilute sulfuric acid thickener, the level-one dilute sulfuric acid
Thickener is connected with level-one exhaust gas cooler, middle pressure steam distribution platform respectively, and medium pressure steam distributes platform and middle pressure steam
Feeding mechanism is connected, and the level-one dilute sulfuric acid thickener is also connected with dilute sulfuric acid scrubbing tower；The level-one exhaust gas cooler
It is connected respectively with waste water tank, vacuum pump assembly.
6. the dry by-product dilute sulfuric acid of chloromethanes according to claim 5 purifies enrichment facility, it is characterised in that: the second level
Dilute sulfuric acid thickener is connected with sour heat exchanger, middle pressure steam distribution platform, dilute sulfuric acid scrubbing tower respectively, the sour heat exchanger of acid
It is connected with concentrated sulfuric acid medial launder, the concentrated sulfuric acid medial launder is connected by concentrated acid cooler with methane chloride production device
Logical, the concentrated sulfuric acid medial launder is also connected with hydrogen peroxide adding apparatus；The dilute sulfuric acid washing top of tower passes through second level tail gas
Cooler is connected with waste water tank, and the waste water tank is connected by waste water circulating pump with dilute sulfuric acid wash tower bottoms；Institute
State second level exhaust gas cooler and pumped by vapor jet vacuum and is connected with steam condenser, the steam condenser respectively with vacuum
Pump assembly, waste water tank are connected, and the waste water tank is connected with vacuum pump assembly, and it is defeated that the waste water tank also passes through waste water
Pump is sent to be connected with waste water processing station.
7. the dry by-product dilute sulfuric acid of chloromethanes according to claim 5 purifies enrichment facility, it is characterised in that: the low boiling
Organic matter knockout tower is connected with sour heat exchanger, and dilute sulphur is equipped between low boiling organic matter knockout tower and high boiling organic matter knockout tower
Sour medial launder, the dilute sulfuric acid medial launder is connected by diluted acid delivery pump with high boiling organic matter knockout tower, described high boiling organic
Object separates tower bottom and is connected with sour medial launder is purified, and the sour medial launder of the purification is dilute with level-one exhaust gas cooler, level-one respectively
Sulphuric acid concentration slot is connected, and is equipped with purification diluted sulfric acid delivery pump between the sour medial launder of the purification and level-one dilute sulfuric acid thickener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516418.8U CN208898508U (en) | 2018-09-17 | 2018-09-17 | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516418.8U CN208898508U (en) | 2018-09-17 | 2018-09-17 | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208898508U true CN208898508U (en) | 2019-05-24 |
Family
ID=66572608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821516418.8U Active CN208898508U (en) | 2018-09-17 | 2018-09-17 | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208898508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052336A (en) * | 2018-09-17 | 2018-12-21 | 杭州东日节能技术有限公司 | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes and technique |
-
2018
- 2018-09-17 CN CN201821516418.8U patent/CN208898508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052336A (en) * | 2018-09-17 | 2018-12-21 | 杭州东日节能技术有限公司 | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes and technique |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109052336A (en) | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes and technique | |
| CN108383085B (en) | Device and method for preparing hydrogen chloride gas by full-resolution of hydrochloric acid by continuous method | |
| CN103408514B (en) | Technique and device for recovering tetrahydrofuran by pervaporation method | |
| CN104817481B (en) | Technological method for recovering DMSO from DMSO aqueous solution | |
| CN103709022B (en) | A kind of pervaporation method reclaims technique and the device of butanone | |
| CN110054164B (en) | Concentrated recovery system of dilute sulfuric acid | |
| CN208218404U (en) | A kind of continuity method hydrochloric acid full stripping produces the device of hydrogen chloride gas | |
| CN109336803A (en) | A kind of method and its system of NMP devil liquor recovery production super-clean high-purity solvent | |
| CN103848426A (en) | Method for concentrating fluosilicic acid by utilizing vacuum falling film evaporation method | |
| TW201440868A (en) | Solution treatment apparatus | |
| CN109850971A (en) | A kind of low concentration DMFDMAC saliferous acid-bearing wastewater rectifying recyclable device and using method | |
| CN105923610B (en) | Acetylene cleaning acid regeneration technique | |
| CN208898508U (en) | A kind of dry by-product dilute sulfuric acid purification enrichment facility of chloromethanes | |
| CN210786298U (en) | Pyrolysis gas grading treatment device | |
| CN110451596A (en) | A kind of carrier gas extraction HPE vapo(u)rization system | |
| CN110510591A (en) | A kind of high purity phosphorus hydrochlorate concentration technology | |
| CN106831526A (en) | Reclaim, purify the device and method of N methyl pyrrolidones | |
| CN206467171U (en) | Reclaim, purify the device of N methyl pyrrolidones | |
| CN106276816A (en) | The vacuum dechlorination method of purification of ion film caustic soda by-product dilute sulfuric acid and special purpose device thereof | |
| CN111606304B (en) | Dilute hydrochloric acid dechlorination concentration system | |
| CN104844414A (en) | Equipment and process for recovering glyphosate solvent during production with glycine method | |
| CN208814656U (en) | A kind of purification device of water treatment agent by-product hydrogen chloride | |
| CN212504669U (en) | Retrieve device of methylamine in follow NMP crude | |
| CN210506160U (en) | NMP retrieves and hypergravity rectification purification system in lithium cell production | |
| CN209721631U (en) | A kind of low concentration DMFDMAC saliferous acid-bearing wastewater rectifying recyclable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |