CN209052606U - The system of treated rubber captax sodium salt solution - Google Patents
The system of treated rubber captax sodium salt solution Download PDFInfo
- Publication number
- CN209052606U CN209052606U CN201821730883.1U CN201821730883U CN209052606U CN 209052606 U CN209052606 U CN 209052606U CN 201821730883 U CN201821730883 U CN 201821730883U CN 209052606 U CN209052606 U CN 209052606U
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- China
- Prior art keywords
- sodium salt
- centrifugal extractor
- captax
- salt solution
- liquid separation
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- 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
Abstract
The utility model belongs to rubber accelerator preparation field, and in particular to a kind of system of treated rubber captax sodium salt solution, alkali fusion reaction kettle, multistage centrifugal extraction cells and the liquid separation unit for being used to mix thick M and liquid alkaline including sequential connection；The multistage centrifugal extraction cells include high temperature section centrifugal extractor, counterflow heat exchange section centrifugal extractor and the low-temperature zone centrifugal extractor being linked in sequence；Oil Guide heater and the high temperature section centrifugal extractor are connected as it and provide thermal medium；Refrigerator and the low-temperature zone centrifugal extractor are connected as it and provide cooling medium.Centrifugal extractor is used in this system, will heat up mass transfer, cooling liquid separation, low-temperature oxidation, counterflow heat exchange, multitple extraction combination, energy conservation and environmental protection, occupied area is small, and extraction efficiency is high.This system structure is simple, does not generate technique waste water, and no risk of explosion realizes comprehensive utilization of energy, and cost substantially reduces, and belongs to environmentally protective process system.
Description
Technical field
The utility model belongs to rubber accelerator preparation field, and in particular to a kind of treated rubber captax sodium salt solution
System.
Background technique
2 one mercaptobenzothiazoler of thiofide (MBT), abbreviation M are widely used a kind of logical in rubber industry
With type promotor.The salting liquid formed with sodium hydroxide solution dissolution M, abbreviation M sodium salt.The M purity that high-pressure process is synthesized
Lower, impure (being referred to as resin) is more, referred to as thick M.Existing M sodium salt production technology: thick M extracts through soda acid WATER-WASHING METHOD or solvent
It follows the example of after purification is M, then with sodium hydroxide solution dissolves to form M sodium salt, in which: soda acid WATER-WASHING METHOD includes: thick M alkali soluble+air lift+
The processes such as oxidation+acidification+drying+pneumatic conveying drying；Solvent extraction includes: thick M high-temperature digestion+crystallisation by cooling+drying+air-flow is dry
The processes such as dry.The shortcomings that soda acid WATER-WASHING METHOD: soda acid dosage is big, can generate a large amount of brine waste, and post-processing difficulty is big.Solvent extraction
Following the example of is more novel processing method at present, advantage be do not generate technique waste water, the disadvantage is that: be related in production process
Band solvent dries, the processes such as pneumatic conveying drying, and protection is improper to will cause peculiar smell, or even has risk of explosion.Therefore providing one kind can
Overcoming the system of defect in the prior art becomes urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide the systems of treated rubber captax sodium salt solution.
In order to achieve the above object, the utility model adopts the following technical solutions:
A kind of system of treated rubber captax sodium salt solution, the alkali for being used to mix thick M and liquid alkaline including sequential connection
Molten reaction kettle, multistage centrifugal extraction cells and liquid separation unit；The multistage centrifugal extraction cells include the height being linked in sequence
Temperature section centrifugal extractor, counterflow heat exchange section centrifugal extractor and low-temperature zone centrifugal extractor；Oil Guide heater and the height
Temperature section centrifugal extractor is connected as it and provides thermal medium；It is cold that refrigerator with the low-temperature zone centrifugal extractor is connected as its offer
But medium.
The upper end solvent portion of the liquid separation unit passes through the counterflow heat exchange section centrifugal extractor and solvent recovery
Kettle connection；The lower end sodium salt part of the liquid separation unit is connect with multiple centrifugation liquid separation units；The centrifugation liquid separation unit
Centrifugal extractor and dispenser including sequential connection are to realize the centrifuge separation again of sodium salt.
The centrifugation liquid separation unit is 1-3.
The upper end solvent portion of the dispenser is connect with the high temperature section centrifugal extractor realizes the sharp again of solvent
With.
The refrigerator and the centrifugal extractor are connected as it and provide cooling medium.
The solvent recovery kettle is connect by condenser with fluid reservoir；The refrigerator is connected as it with condenser and mentions
For cooling medium；The Oil Guide heater and solvent recovery kettle is connected as it and provides heat medium.
The fluid reservoir and the centrifugal extractor are connected as it and provide extractant.
The alkali fusion reaction kettle surface is provided with insulating layer.
Compared with prior art, the utility model has the beneficial effects that
Using the purification M sodium salt system of the utility model, high temperature product is continuously squeezed into alkali fusion with room temperature lye and is reacted
In kettle, agitating device makes solid dissolve rapidly to thick M sodium salt.Thick M sodium salt and extract liquor squeeze into high temperature section Centrifugical extraction simultaneously
Machine, the high-speed impact in centrifugal extractor using the biggish heat exchange area in microchannel and material, realization are rapidly heated, and high speed passes
Matter.Using centrifugal extractor temperature descending section, reducing solubility of the impurity resin in sodium salt enters more resins in organic phase,
The ratio of dissolving each other for reducing sodium salt phase and solvent phase simultaneously, subsequently into liquid separation unit, by organic solvent phase and salt aqueous phase separation.Make
For preference, the low-temperature solvent after separation mutually passes through counterflow heat exchange section centrifugal extractor and exchanges heat with the high temperature mixed liquor before separating,
High-temperature extraction solvent out is mutually directly entered solvent recovery kettle, realizes comprehensive utilization of energy.It is logical that recovered solvent enters solvent
It crosses condenser and enters fluid reservoir, reuse.The extractant of low temperature sodium salt recycling after separation is extracted, and extraction is improved
Effect.The system has liquid holdup small, and occupied area is small, and security and stability is high, economical environment-protective, no technique waste water discharge, continuously
Metaplasia produces, high-efficient, high degree of automation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing
The utility model is described in further detail with most preferred embodiment.
The system that Fig. 1 shows a kind of treated rubber captax sodium salt solution, including sequential connection for mix thick M and
Alkali fusion reaction kettle 1, multistage centrifugal extraction cells and the liquid separation unit of liquid alkaline；The multistage centrifugal extraction cells include sequence
High temperature section centrifugal extractor 2, counterflow heat exchange section centrifugal extractor 3 and the low-temperature zone centrifugal extractor 4 of connection；Oil Guide heater
10, which are connected as it with the high temperature section centrifugal extractor, provides thermal medium；Refrigerator 6 and the low-temperature zone centrifugal extractor
It is connected as it and cooling medium is provided.The alkali fusion reaction kettle surface is provided with insulating layer.
The upper end solvent portion of the liquid separation unit 4 is returned by the counterflow heat exchange section centrifugal extractor 3 and solvent
Kettle 9 is received to be connected to；The lower end sodium salt part of the liquid separation unit is connect with multiple centrifugation liquid separation units；The centrifugation liquid separation list
Member includes the centrifugal extractor 11 being linked in sequence and dispenser 12 to realize the two-stage centrifugal separation or more fractions of sodium salt
From.The centrifugation liquid separation unit is 1-3.
The upper end solvent portion of the dispenser 12 is connect with the high temperature section centrifugal extractor 2 realizes solvent again
It utilizes.The refrigerator and the centrifugal extractor are connected as it and provide cooling medium.
The solvent recovery kettle is connect by condenser 9 with fluid reservoir 8；The refrigerator and condenser is connected as it
Cooling medium is provided；The Oil Guide heater and solvent recovery kettle is connected as it and provides heat medium.The fluid reservoir 9 with
The centrifugal extractor 11 is connected as it and provides extractant.
The system of a kind of treated rubber captax sodium salt solution provided by the utility model, by soda acid WATER-WASHING METHOD and solvent
Method combines, and dissolves thick M to form salting liquid with liquid alkaline, then is extracted with extractant and M- sodium salt solution by centrifugal extractor
The resin impurity gone out in M- sodium salt, so that the M sodium salt of purification be made.In this system use centrifugal extractor, will heat up mass transfer,
Cool down liquid separation, low-temperature oxidation, counterflow heat exchange, multitple extraction combination, and energy conservation and environmental protection, occupied area is small, and extraction efficiency is high.This
System structure is simple, does not generate technique waste water, and no risk of explosion realizes comprehensive utilization of energy, and cost substantially reduces, and belongs to green
Environment-protective process system.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (8)
1. a kind of system of treated rubber captax sodium salt solution, which is characterized in that be used to mix thick M including sequential connection
With alkali fusion reaction kettle, multistage centrifugal extraction cells and the liquid separation unit of liquid alkaline；The multistage centrifugal extraction cells include suitable
The concatenated high temperature section centrifugal extractor of sequence, counterflow heat exchange section centrifugal extractor and low-temperature zone centrifugal extractor；Oil Guide heater
It is connected as with the high temperature section centrifugal extractor, and thermal medium is provided；Refrigerator is connect with the low-temperature zone centrifugal extractor
Cooling medium is provided for it.
2. the system of treated rubber captax sodium salt solution according to claim 1, which is characterized in that the liquid separation
The upper end solvent portion of unit is connected to by the counterflow heat exchange section centrifugal extractor with solvent recovery kettle；The liquid separation list
The lower end sodium salt part of member is connect with multiple centrifugation liquid separation units；The centrifugation liquid separation unit includes the centrifugation extraction being linked in sequence
Machine and dispenser are taken to realize the centrifuge separation again of sodium salt.
3. the system of treated rubber captax sodium salt solution according to claim 2, which is characterized in that the centrifugation
Liquid separation unit is 1-3.
4. the system of treated rubber captax sodium salt solution according to claim 2, which is characterized in that the liquid separation
The upper end solvent portion of device connect the recycling for realizing solvent with the high temperature section centrifugal extractor.
5. the system of treated rubber captax sodium salt solution according to claim 2, which is characterized in that the freezing
Machine and the centrifugal extractor are connected as it and provide cooling medium.
6. the system of treated rubber captax sodium salt solution according to claim 2, which is characterized in that the solvent
Recycling kettle is connect by condenser with fluid reservoir；The refrigerator and condenser is connected as it and provides cooling medium；Described
Oil Guide heater and solvent recovery kettle are connected as it and provide heat medium.
7. the system of treated rubber captax sodium salt solution according to claim 6, which is characterized in that the liquid storage
Tank and the centrifugal extractor are connected as it and provide extractant.
8. the system of treated rubber captax sodium salt solution according to claim 1, which is characterized in that the alkali fusion
Reaction kettle surface is provided with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730883.1U CN209052606U (en) | 2018-10-24 | 2018-10-24 | The system of treated rubber captax sodium salt solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730883.1U CN209052606U (en) | 2018-10-24 | 2018-10-24 | The system of treated rubber captax sodium salt solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209052606U true CN209052606U (en) | 2019-07-02 |
Family
ID=67051367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821730883.1U Active CN209052606U (en) | 2018-10-24 | 2018-10-24 | The system of treated rubber captax sodium salt solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209052606U (en) |
-
2018
- 2018-10-24 CN CN201821730883.1U patent/CN209052606U/en active Active
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