CN208018181U - A kind of distillation system applied to aminopropyl triethoxysilane - Google Patents
A kind of distillation system applied to aminopropyl triethoxysilane Download PDFInfo
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- CN208018181U CN208018181U CN201721883991.8U CN201721883991U CN208018181U CN 208018181 U CN208018181 U CN 208018181U CN 201721883991 U CN201721883991 U CN 201721883991U CN 208018181 U CN208018181 U CN 208018181U
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- distillation system
- aminopropyl triethoxysilane
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Abstract
A kind of distillation system applied to aminopropyl triethoxysilane of the utility model, including gas-liquid separator, mixer, falling film evaporator, transfer kettle and scraper evaporator, gas-liquid separator is equipped with air inlet pipe, and it is equipped with escape pipe at the top of gas-liquid separator, mixer is connected with the bottom of gas-liquid separator, mixer is connected by falling film evaporator with transfer kettle, and the input terminal of scraper evaporator is connected with the output end of transfer kettle.Production efficiency can be improved using ammonia still process step by step in a kind of distillation system applied to aminopropyl triethoxysilane of the utility model, reduces production cost, effectively controls the generation of side reaction, save energy consumption, reduce environmental pollution, improves product quality.
Description
Technical field
The utility model is related to liquid mixture evaporation separation or concentration technique fields, specially a kind of to be applied to aminopropyl
The distillation system of triethoxysilane.
Background technology
Aminopropyl triethoxysilane (KH-550) mainly uses the more complete equipment batch process production technologies of one-pot at present, used
The liquefied ammonia and chloropropyl triethoxysilane of amount reaction under high pressure in ammoniation kettle steam kettle by ammonia after the completion of reaction and carry out receipts ammonia,
Remainder liquid after centrifugation enters rectifying still rectifying.This method one-pot production capacity is small, and the daily production capacity of a set of equipment is only
600kg, when summer, are lower, to reach certain yield, it is necessary to use more complete equipments, equipment investment is big, takes up a large area, operation
Inconvenience, and meeting ingress of air causes product hydrolysis, quality unstable in centrifugation and material transfer process.
For a series of problems that traditional batch method occurs, people have invented using multiple spot continuous feed tubular reactor.
Although the continuous feed and conjunction of aminopropyl triethoxysilane (KH-550) can be solved using multiple spot continuous feed tubular reactor
It is problematic, improve its production efficiency, but and since its ammonia still process deamination link is handled in same reaction process, i.e. reaction kettle
Material after having reacted is after depressurizing ammonia still process, and for compressed condensing reflux to ammonia tank, production cost is bigger than normal again for excessive ammonia, energy
Consumption is high, and the operating time is long, low production efficiency, and reaction system poor sealing, the working environment of workers is severe, ingress of air product water
The problems such as solution causes the relatively low quality of content unstable, and the precipitation of ammonium chloride is easy blocking pipeline.
Therefore, there is an urgent need to develop a series of technologies such as a kind of continuous feed, successive reaction, continuous ammonia still process deamination, to change
Into the production technology of aminopropyl triethoxysilane.
Utility model content
The purpose of this utility model is a kind of distillation system applied to aminopropyl triethoxysilane, to solve existing essence
It evaporates system and is easy to happen obstruction and rectifying technical problem of low quality in process.
To solve the above problems, the utility model adopts the following technical solution：One kind being applied to aminopropyl-triethoxy silicon
The distillation system of alkane, including gas-liquid separator, mixer, falling film evaporator, transfer kettle and scraper evaporator, the gas-liquid separation
Device is equipped with air inlet pipe, and is equipped with escape pipe, the mixer and the gas-liquid separator at the top of the gas-liquid separator
Bottom be connected, the mixer is connected by the falling film evaporator with the transfer kettle, the scraper evaporator
Input terminal is connected with the output end of the transfer kettle.
On the basis of said program preferably, a condenser is connected at the escape pipe of the gas-liquid separator.
On the basis of said program preferably, it is connected by the pump housing between the transfer kettle and the scraper evaporator.
On the basis of said program preferably, the transfer kettle is equipped with visual windows.
On the basis of said program preferably, the top of the scraper evaporator is equipped with exhaust pipe, and the exhaust pipe is equipped with
After-condenser.
On the basis of said program preferably, it is additionally provided with flash valve in the air inlet pipe.
Compared with prior art, a kind of distillation system applied to aminopropyl triethoxysilane of the utility model, will
Product after tubular reactor reacts is input to by air inlet pipe in gas-liquid separator, is steamed by gas-liquid separator
Hair, ammonia is steamed, is exported by the escape pipe at the top of gas-liquid separator, cooling storage；And the liquid in gas-liquid separator
Body portion is then delivered to falling film evaporator after mixer carries out secondary mixing, ammonia still process again is carried out, to ensure carrying for ammonia
Purity.
A kind of distillation system applied to aminopropyl triethoxysilane of the utility model can be carried using ammonia still process step by step
High efficiency reduces production cost, effectively controls the generation of side reaction, save energy consumption, reduce environmental pollution, improves production
Quality.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the distillation system applied to aminopropyl triethoxysilane of the utility model.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Refering to Figure 1, the utility model provides a kind of distillation system applied to aminopropyl triethoxysilane,
Including gas-liquid separator 10, mixer 20, falling film evaporator 30, transfer kettle 40 and scraper evaporator 50, on gas-liquid separator 10
It is equipped with escape pipe 13, the bottom of mixer 20 and gas-liquid separator 10 equipped with air inlet pipe 12, and at the top of gas-liquid separator 10
It is connected, mixer 20 is connected by falling film evaporator 30 with transfer kettle 40, input terminal and the transfer kettle of scraper evaporator 50
40 output end is connected.
In use, the material group come out from tubular reactor becomes the NH more than amount3, a large amount of KH-550 and NH4Cl and a small amount of
By-product, after pressure reducing valve depressurizes, into gas-liquid separator 10 (40-45 DEG C of temperature) NH afterwards3It largely steams, is returned after deep cooling
With；The a small amount of NH of surplus material content3, a large amount of KH-550 and NH4Cl and a small amount of by-product enter drop after 20 mixing of mixer
Film evaporator 30 (80-85 DEG C of temperature) further ammonia still process, the NH steamed3Through compressor reuse；Surplus material group becomes a large amount of KH-
550 and NH4Cl and a small amount of by-product, enter back into transfer kettle 40, through being intubated under one by being pumped into the scraper evaporator with negative pressure
50 rectifying obtain product, and surplus material enters tailing kettle.
Product recycling in gas-liquid separator 10 for convenience, escape pipe 13 of the utility model in gas-liquid separator 10
Place is connected with a condenser 14, to facilitate to steaming NH3Cooling recycle.
Preferential, it is connected by the pump housing between transfer kettle 40 and scraper evaporator 50, and be equipped on transfer kettle 40
Visual windows 21, in use, transfer kettle 40, with visor, observable tank inner salt accumulates situation, and reach a certain height to put from below
Enter tailing kettle further to recycle, lower intubation lower end position is kept to be higher than the height of tank inner salt.
It is worth noting that the top of the scraper evaporator 50 of the utility model is equipped with exhaust pipe 51, set on exhaust pipe 51
There is after-condenser 52, and is additionally provided with flash valve 11 in air inlet pipe 12.
Compared with prior art, a kind of distillation system applied to aminopropyl triethoxysilane of the utility model, will
Product after tubular reactor reacts is input to by air inlet pipe 12 in gas-liquid separator 10, by gas-liquid separator 10 into
Row evaporation, ammonia is steamed, and is exported by the escape pipe 13 at 10 top of gas-liquid separator, cooling storage；And gas-liquid separation
Liquid portion in device 10 is then delivered to falling film evaporator 30 after mixer 20 carries out secondary mixing, carries out ammonia still process again,
To ensure the purification degree of ammonia.
A kind of distillation system applied to aminopropyl triethoxysilane of the utility model can be carried using ammonia still process step by step
High efficiency reduces production cost, effectively controls the generation of side reaction, save energy consumption, reduce environmental pollution, improves production
Quality.
Finally it should be noted that：The foregoing is merely the preferred embodiments of the utility model, are not limited to this reality
With novel, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of distillation system applied to aminopropyl triethoxysilane, which is characterized in that including gas-liquid separator, mixing
Device, falling film evaporator, transfer kettle and scraper evaporator, the gas-liquid separator are equipped with air inlet pipe, and in the gas-liquid separation
The top of device is equipped with escape pipe, and the mixer is connected with the bottom of the gas-liquid separator, and the mixer passes through described
Falling film evaporator is connected with the transfer kettle, and the input terminal of the scraper evaporator is connected with the output end of the transfer kettle
It is logical.
2. a kind of distillation system applied to aminopropyl triethoxysilane as described in claim 1, which is characterized in that described
A condenser is connected at the escape pipe of gas-liquid separator.
3. a kind of distillation system applied to aminopropyl triethoxysilane as described in claim 1, which is characterized in that described
It is connected by the pump housing between transfer kettle and the scraper evaporator.
4. a kind of distillation system applied to aminopropyl triethoxysilane as claimed in claim 3, which is characterized in that described
Transfer kettle is equipped with visual windows.
5. a kind of distillation system applied to aminopropyl triethoxysilane as described in claim 1, which is characterized in that described
The top of scraper evaporator is equipped with exhaust pipe, and the exhaust pipe is equipped with after-condenser.
6. a kind of distillation system applied to aminopropyl triethoxysilane as described in any one in claim 1-5, feature
It is, flash valve is additionally provided in the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883991.8U CN208018181U (en) | 2017-12-28 | 2017-12-28 | A kind of distillation system applied to aminopropyl triethoxysilane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883991.8U CN208018181U (en) | 2017-12-28 | 2017-12-28 | A kind of distillation system applied to aminopropyl triethoxysilane |
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| Publication Number | Publication Date |
|---|---|
| CN208018181U true CN208018181U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721883991.8U Active CN208018181U (en) | 2017-12-28 | 2017-12-28 | A kind of distillation system applied to aminopropyl triethoxysilane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853803A (en) * | 2022-05-26 | 2022-08-05 | 湖北华欣有机硅新材料有限公司 | Production process and production device of KH-540 silane |
-
2017
- 2017-12-28 CN CN201721883991.8U patent/CN208018181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853803A (en) * | 2022-05-26 | 2022-08-05 | 湖北华欣有机硅新材料有限公司 | Production process and production device of KH-540 silane |
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