CN209564983U - A kind of organic azeotropic mixture separator of hydrofluoric acid containing - Google Patents
A kind of organic azeotropic mixture separator of hydrofluoric acid containing Download PDFInfo
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- CN209564983U CN209564983U CN201822159326.5U CN201822159326U CN209564983U CN 209564983 U CN209564983 U CN 209564983U CN 201822159326 U CN201822159326 U CN 201822159326U CN 209564983 U CN209564983 U CN 209564983U
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- Prior art keywords
- azeotropic mixture
- reaction kettle
- heat exchanger
- hydrofluoric acid
- acid containing
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Abstract
The utility model belongs to mixture separation technology field, more particularly, to a kind of organic azeotropic mixture separator of hydrofluoric acid containing.Organic azeotropic mixture separator of the hydrofluoric acid containing includes: the first storage tank, for storing lye in first storage tank；Second storage tank, second storage tank are interior for storing organic azeotropic mixture；Reaction kettle, the reaction kettle are connected with the first storage tank, the second storage tank respectively；And distillation still, the feed inlet of the distillation still are connected with the discharge port of reaction kettle；The top of the reaction kettle is equipped with First Heat Exchanger, and the First Heat Exchanger is used for the reaction solution being condensed back in reaction kettle；The top of the distillation still is equipped with the second heat exchanger, and second heat exchanger is used for the distillate being condensed back in distillation still.The utility model has many advantages, such as that easy to operate, highly-safe, stability is good, the organic matter rate of recovery is high.
Description
Technical field
The utility model belongs to mixture separation technology field, more particularly, to a kind of organic vapor of mixture of hydrofluoric acid containing
Object separator.
Background technique
A large amount of aqueous hydrofluoric acids are often generated in Organic fluoride chemical production process, due to combining between hydrogen atom and fluorine atom
Ability is relatively strong and aqueous solution in hydrogen fluoride it is intermolecular there are hydrogen bonds so that hydrofluoric acid cannot ionize completely in water, from
And aqueous hydrofluoric acid azeotropic mixture is formed, general concentration about 35% or so.Aqueous hydrofluoric acid is theoretically used as a kind of weak acid, but
It is the ability that there is dissolution oxide due to it, removes silicon surface oxidation object, stainless steel in the purification of aluminium and uranium, semi-conductor industry
Surface oxygenate impurity " pickling " removal of impurities etc. is preferably applied；Especially hydrofluoric acid can dissolve other acid and cannot all dissolve
Glass performance, and be widely used in process glass carry out pattern engraving, scale mark and text etching.
Because of complex process in actual production process, the aqueous hydrofluoric acid of generation may carry other a certain amount of substances secretly, such as
Hydrochloric acid, sulfuric acid, dimethyl ether, methanol etc. form organic azeotropic mixture of hydrofluoric acid containing, to the recycling of technique waste water, disposition and
Recycling is caused compared with hang-up.
Utility model content
The purpose of this utility model is that aiming at the problems existing in the prior art, a kind of the organic of hydrofluoric acid containing is provided
Azeotropic mixture separator.
For this purpose, the above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of organic azeotropic mixture separator of hydrofluoric acid containing, organic azeotropic mixture separation of the hydrofluoric acid containing
Device includes:
First storage tank, first storage tank are interior for storing lye；
Second storage tank, second storage tank are interior for storing organic azeotropic mixture；
Reaction kettle, the reaction kettle are connected with the first storage tank, the second storage tank respectively；And
Distillation still, the feed inlet of the distillation still are connected with the discharge port of reaction kettle；
The top of the reaction kettle is equipped with First Heat Exchanger, and the First Heat Exchanger is anti-in reaction kettle for being condensed back
Answer liquid；
The top of the distillation still is equipped with the second heat exchanger, and second heat exchanger is used for the steaming being condensed back in distillation still
Distillate.
While by adopting the above technical scheme, the utility model can also be used or be combined using further below
Technical solution:
Preferably, at least one regulating valve is set on the connecting line between second storage tank and reaction kettle.
Preferably, cooling sandwith layer is set on the side wall of the reaction kettle, in the cooling sandwith layer circulation cycle cooling water or
Person's coolant liquid.
Preferably, the outside of the reaction kettle is equipped with third heat exchanger, and the third heat exchanger is connected with circulating pump, institute
The other end for stating circulating pump is connected to reaction kettle.
Preferably, organic azeotropic mixture separator of the hydrofluoric acid containing is additionally provided with surge tank, the surge tank with
The outlet of First Heat Exchanger, the second heat exchanger is connected.
Preferably, the surge tank connects water caustic washing system, and the water caustic washing system washes processing organic matter simultaneously for scale
It collects.
Preferably, organic azeotropic mixture separator of the hydrofluoric acid containing is additionally provided with solid-liquid separating equipment, described solid
Liquid separation equipment is connected with the discharge port of distillation still.
Preferably, the solid-liquid separating equipment is plate and frame filter press or centrifuge.
The organic azeotropic mixture of hydrofluoric acid containing is being carried out using organic azeotropic mixture separator of above-mentioned hydrofluoric acid containing
Separation and recovery when, akaline liquid is previously added in reaction kettle, after opening stirring, opens the circulation of First Heat Exchanger, reaction kettle
Radiating module (third heat exchanger and circulating pump) and interlayer refrigerating module (are passed through recirculated cooling water or cooling in cooling sandwith layer
Liquid)；Temperature of reaction kettle is controlled by the charging rate that regulating valve controls organic azeotropic mixture, the evolution of autoreaction kettle mixes
Close gas condensed through First Heat Exchanger, gas organic matter through surge tank enter water caustic washing system pretreatment after collects, vapor and
Reaction kettle is returned after gaseous hydrogen fluoride condensation；Reaction kettle mother liquor is after detection is qualified, and the circulating pump through circulation cooling module is by object
Material is transferred to distillation still, and distillation still is further heated up to 100 ~ 130 DEG C, distillation time 1 ~ 10 hour, there is on a small quantity residual in mother liquor
Machine object is escaped to merge after surge tank enters the pretreatment of water caustic washing system from the second heat exchanger top and be collected；The discharging of distillation still mother liquor
It is separated to solid-liquid separating equipment.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the separator structure of the utility model is simple, easy to operate, and processing is quick, efficient, highly-safe, stability
It is good, there is high industrial value；
2, when the separator operation of the utility model, a large amount of reaction heat that energy fast transfer reaction generates make equipment exist
It is run under the conditions of lower temperature (110 DEG C of <), delays ageing equipment speed；
3, the separator of the utility model enables organic matter fast using the method for directly destroying mixture azeotropic system
Speed separation, relatively traditional concentrate (concentration) method are more efficient quickly；
4, the organic azeotropic mixture of the hydrofluoric acid containing handled through the utility model separator, wastewater through organic matter residual volume 5 ~
50 ppm, 10 ~ 40 ppm of organic matter residual volume in solid salt, organic matter overall recovery reach 99% or more, it can be achieved that dangerous solid waste
Green harmless treatment and economy raw material effectively recycle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of organic azeotropic mixture separator of hydrofluoric acid containing provided by the utility model.
Specific embodiment
The utility model is described in further detail referring to the drawings and specific embodiments.
A kind of organic azeotropic mixture separator of hydrofluoric acid containing, comprising:
First storage tank 1, in the present embodiment, the first storage tank 1 are measuring tank and are used to measure lye and be provided to reaction kettle
3；
Second storage tank 2, in the present embodiment, the second storage tank 2 are measuring tank and mix for measuring the organic azeotropic of hydrofluoric acid containing
Object is closed to reaction kettle 3；
Reaction kettle 3 is connected with the first storage tank 1, the second storage tank 2 respectively；And
The feed inlet of distillation still 4, distillation still 4 is connected with the discharge port of reaction kettle 3；
The top of reaction kettle 3 is equipped with First Heat Exchanger 51, and First Heat Exchanger 51 is used for the reaction being condensed back in reaction kettle 3
Liquid；
The top of distillation still 4 is equipped with the second heat exchanger 52, and the second heat exchanger 52 is used for the distillation being condensed back in distillation still 4
Liquid.
At least one regulating valve 21 is set on the connecting line between second storage tank 2 and reaction kettle 3, for controlling hydrogeneous fluorine
The charging rate of organic azeotropic mixture of acid and then the temperature for controlling reaction kettle 3.
Cooling sandwith layer 31, circulation cycle cooling water or coolant liquid in cooling sandwith layer 31 are set on the side wall of reaction kettle 3.
The outside of reaction kettle 3 is equipped with third heat exchanger 61, and third heat exchanger 61 is connected with circulating pump 62, circulating pump 62
The other end is connected to reaction kettle 3；The entrance of third heat exchanger 61 is connected with the outlet of First Heat Exchanger 51, First Heat Exchanger 51
Outlet be also connected with the top of reaction kettle 3.
Organic azeotropic mixture separator of hydrofluoric acid containing is additionally provided with surge tank 7, surge tank 7 and First Heat Exchanger 51,
The outlet of second heat exchanger 52 is connected.
Surge tank connects water caustic washing system (not shown), and water caustic washing system is washed processing organic matter for scale and received
Collection.
Organic azeotropic mixture separator of hydrofluoric acid containing is additionally provided with solid-liquid separating equipment 8, and solid-liquid separating equipment 8 is through going out
Material pump 41 is connected with the discharge port of distillation still 4.In the present embodiment, solid-liquid separating equipment is plate and frame filter press, but at it
In his embodiment, centrifuge may be set to be, and all fall in the protection scope of the utility model.
Above-mentioned specific embodiment is used to illustrate the utility model, the only preferred embodiment of the utility model, and
It is not to limit the utility model, it is practical new to this in the spirit and scope of protection of the claims of the utility model
Any modification, equivalent substitution, improvement and etc. that type is made, both fall within the protection scope of the utility model.
Claims (8)
1. a kind of organic azeotropic mixture separator of hydrofluoric acid containing, which is characterized in that organic azeotropic of the hydrofluoric acid containing
Mixture separation apparatus includes:
First storage tank, first storage tank are interior for storing lye；
Second storage tank, second storage tank are interior for storing organic azeotropic mixture；
Reaction kettle, the reaction kettle are connected with the first storage tank, the second storage tank respectively；And
Distillation still, the feed inlet of the distillation still are connected with the discharge port of reaction kettle；
The top of the reaction kettle is equipped with First Heat Exchanger, and the First Heat Exchanger is used for the reaction being condensed back in reaction kettle
Liquid；
The top of the distillation still is equipped with the second heat exchanger, and second heat exchanger is used for the distillation being condensed back in distillation still
Liquid.
2. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 1, which is characterized in that described second
At least one regulating valve is set on the connecting line between storage tank and reaction kettle.
3. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 1, which is characterized in that the reaction
Cooling sandwith layer is set on the side wall of kettle, circulation cycle cooling water or coolant liquid in the cooling sandwith layer.
4. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 1 or 3, which is characterized in that described
The outside of reaction kettle is equipped with third heat exchanger, and the third heat exchanger is connected with circulating pump, and the other end of the circulating pump connects
It is connected to reaction kettle.
5. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 1, which is characterized in that described hydrogeneous
Organic azeotropic mixture separator of fluoric acid is additionally provided with surge tank, the surge tank and First Heat Exchanger, the second heat exchanger
Outlet is connected.
6. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 5, which is characterized in that the buffering
Tank connects water caustic washing system, and the water caustic washing system is washed processing organic matter for scale and collected.
7. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 1, which is characterized in that described hydrogeneous
Organic azeotropic mixture separator of fluoric acid is additionally provided with solid-liquid separating equipment, the discharging of the solid-liquid separating equipment and distillation still
Mouth is connected.
8. organic azeotropic mixture separator of hydrofluoric acid containing according to claim 7, which is characterized in that the solid-liquid
Separation equipment is plate and frame filter press or centrifuge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159326.5U CN209564983U (en) | 2018-12-21 | 2018-12-21 | A kind of organic azeotropic mixture separator of hydrofluoric acid containing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159326.5U CN209564983U (en) | 2018-12-21 | 2018-12-21 | A kind of organic azeotropic mixture separator of hydrofluoric acid containing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209564983U true CN209564983U (en) | 2019-11-01 |
Family
ID=68330765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822159326.5U Active CN209564983U (en) | 2018-12-21 | 2018-12-21 | A kind of organic azeotropic mixture separator of hydrofluoric acid containing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209564983U (en) |
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2018
- 2018-12-21 CN CN201822159326.5U patent/CN209564983U/en active Active
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