CN210384895U - Flash evaporation device - Google Patents
Flash evaporation device Download PDFInfo
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- CN210384895U CN210384895U CN201921221379.3U CN201921221379U CN210384895U CN 210384895 U CN210384895 U CN 210384895U CN 201921221379 U CN201921221379 U CN 201921221379U CN 210384895 U CN210384895 U CN 210384895U
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- flash
- light component
- flash distillation
- packing layer
- flash column
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Abstract
The utility model discloses a flash distillation device relates to flash distillation equipment technical field, including the flash column, the middle part of flash column is equipped with raw materials entry, and the top of flash column is equipped with the light component export, and the bottom of flash column is equipped with the heavy component export, is equipped with the upper portion packing layer between the middle part of flash column and the top, is equipped with the lower part packing layer between the middle part of flash column and the low side. The utility model provides an among the prior art flash distillation equipment flash distillation inefficiency, and the light component composition purity that the flash distillation goes out low technical problem, the utility model provides an efficiency of flash distillation has improved the precision of light component, still has the characteristics of simple easy operation simultaneously.
Description
Technical Field
The utility model relates to a flash distillation equipment technical field, in particular to flash distillation device.
Background
Flash evaporation equipment separates low boiling point substances from two-phase or multi-phase components by utilizing the change of the boiling point of the substances under different pressures, and has wide industrial application. The traditional flash evaporation mode generally adopts the feeding of the middle upper part of the flash evaporation tower, the lower part of the flash evaporation tower produces heavy components, the upper part of the flash evaporation tower produces light components, the flash evaporation tower is a hollow cylinder, a demister and the like are arranged at the top of the flash evaporation tower, the internal mass transfer and heat transfer efficiency of the flash evaporation equipment is lower, certain impurities are contained in the light components produced by flash evaporation, the purity is lower, and the reuse of the light components produced by flash evaporation is greatly influenced.
Disclosure of Invention
To above defect, the utility model aims at providing a flash distillation device aims at solving current flash distillation equipment flash distillation inefficiency, and the light component composition purity that flashes out is low technical problem.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a flash distillation device, includes the flash column, and the middle part of flash column is equipped with the raw materials entry, and the top of flash column is equipped with the light component export, and the bottom of flash column is equipped with the heavy ends export, is equipped with the upper portion packing layer between the middle part of flash column and the top, is equipped with the lower part packing layer between the middle part of flash column and the low side.
Wherein, the upper packing layer and the lower packing layer are filled with packing, and the packing is Raschig rings and/or silk screens and/or plate corrugations.
Wherein, the raw materials entry is connected with the discharge end of preheater through the inlet pipe, is equipped with the air-vent valve on the inlet pipe.
The light component outlet is connected to the inlet of the light component receiving tank, and a condenser is arranged between the light component outlet and the light component receiving tank; the top of flash column is equipped with the backward flow mouth, and the exit linkage of jar is received to the light component has the pump of fetching material, and the discharge gate of the pump of fetching material is connected with first branch pipe and second branch pipe, and first branch union coupling is in the backward flow mouth.
Wherein, the reflux opening is positioned on the tower wall of the flash tower between the light component outlet and the upper packing layer.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because flash distillation plant includes the flash column, the middle part of flash column is equipped with the raw materials entry, the top of flash column is equipped with the light component export, the bottom of flash column is equipped with the heavy component export, be equipped with the upper portion packing layer between the middle part of flash column and the top, be equipped with the lower part packing layer between the middle part of flash column and the low side, the raw materials enters into the flash column via the raw materials entry, break the foam through the upper portion packing layer and handle, the degasification of lower part packing layer is handled the back, the light component material in the raw materials is discharged via the light component export, the heavy component in the raw materials divides the material to discharge via the heavy component export, rely on, the lower part packing layer promotes the speed of heat exchange.
Because the light component outlet is connected with the inlet of the light component receiving tank, a condenser is arranged between the light component outlet and the light component receiving tank; the top of flash column is equipped with the backward flow mouth, and the exit linkage of light component receiving tank has the pump of fetching material, and the discharge gate of the pump of fetching material passes through first branch pipe and connects in the backward flow mouth, and the light component material after the condensation flows back in the tower body, has realized cold backward flow to take away unnecessary heat in the tower, maintain the heat balance in the tower, and the heavy component composition condensation in the light component material that will go upward in, thereby the precision of light component material has been promoted.
To sum up, the utility model provides an among the prior art flash distillation equipment flash distillation inefficiency, and the technical problem that the light component composition purity that flashes out is low, the utility model provides an efficiency of flash distillation has improved the precision of light component, still has the characteristics of simple easy operation simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the flash evaporation device of the present invention.
In the figure, 1-flash tower, 10-upper packing layer, 11-lower packing layer, 2-preheater, 20-pressure regulating valve, 3-condenser, 4-light component receiving tank, 40-material pump, 41-first branch pipe and 42-second branch pipe.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The position that the specification related to all takes the position of the utility model discloses when flash distillation plant normally works as the standard, does not restrict the position when its storage and transportation, only represents relative position relation, does not represent absolute position relation.
As shown in fig. 1, a flash distillation device, including flash column 1, flash column 1 is vertical placing, and flash column 1's tower body is cylindrical, and flash column 1's the top of the tower is circular with the tower bottom, and the middle part of flash column 1's tower body is equipped with the raw materials entry, and the highest point department at the circular top of tower body is equipped with the light component export, and the lowest point department of the circular bottom of tower body is equipped with the heavy ends export, is equipped with upper portion packing layer 10 between flash column 1's middle part and the top, is equipped with lower part packing layer 11 between flash column 1's middle part and the low side. The upper packing layer 10 and the lower packing layer 11 have the same structure, and the difference lies in the installation position, the upper packing layer 10 and the lower packing layer 11 are both composed of a net rack and packing, the packing is filled in the net rack, and the packing is one or a combination of a plurality of raschig rings, silk screens and plate corrugations. The raw materials entry is connected with the discharge end of preheater 2 through the inlet pipe, is equipped with air-vent valve 20 on the inlet pipe, if the raw materials is the storage after the heating, then need not connect preheater 2, the inlet pipe is direct to be connected with the storage tank. The raw material enters the flash tower 1 through the raw material inlet, and after the raw material is subjected to foam breaking treatment by the upper packing layer 10 and degassing treatment by the lower packing layer 11, light component materials in the raw material are discharged through the light component outlet, and heavy component materials in the raw material are discharged through the heavy component outlet.
As shown in fig. 1, the light component outlet is connected to the condenser 3 through the discharge pipe, the light component condensed by the condenser 3 enters the light component receiving tank 4 through the inlet at the top of the light component receiving tank 4, the top of the flash tower 1 is provided with a reflux port, the reflux port is located on the tower wall between the light component outlet and the upper packing layer 10, the outlet of the light component receiving tank 4 is connected with the knockout pump 40, the discharge port of the knockout pump 40 is connected with the first branch pipe 41 and the second branch pipe 42, the first branch pipe 41 is connected to the reflux port, the condensed light component flows back into the tower body, cold reflux is realized, so that the redundant heat in the tower is taken away, the heat balance in the tower is maintained, and the heavy component in the ascending light component is condensed, thereby improving the precision of the light component. The second branch pipe 42 is connected to the light component storage tank to realize storage of the light component, and the heavy component outlet is connected to the heavy component storage tank through a pipeline to realize storage of the heavy component.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (5)
1. The flash distillation device is characterized by comprising a flash distillation tower, wherein a raw material inlet is formed in the middle of the flash distillation tower, a light component outlet is formed in the top of the flash distillation tower, a heavy component outlet is formed in the bottom of the flash distillation tower, an upper packing layer is arranged between the middle and the top of the flash distillation tower, and a lower packing layer is arranged between the middle and the low end of the flash distillation tower.
2. The flash apparatus of claim 1, wherein the upper packing layer and the lower packing layer are filled with packing, and the packing is Raschig rings and/or wire mesh and/or plate corrugation.
3. A flash apparatus as claimed in claim 1 wherein the feed inlet is connected to the discharge end of the preheater by a feed pipe, the feed pipe being provided with a pressure regulating valve.
4. The flash apparatus of claim 1, wherein the light component outlet is connected to an inlet of a light component receiving tank, and a condenser is installed between the light component outlet and the light component receiving tank; the top of flash column is equipped with the backward flow mouth, the exit linkage of light component receiving tank has the pump of fetching material, the discharge gate of the pump of fetching material is connected with first branch pipe and second branch pipe, first branch pipe connection is in the backward flow mouth.
5. The flash apparatus of claim 4 wherein the reflux port is located in the flash column wall between the light ends outlet and the upper packing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221379.3U CN210384895U (en) | 2019-07-30 | 2019-07-30 | Flash evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221379.3U CN210384895U (en) | 2019-07-30 | 2019-07-30 | Flash evaporation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210384895U true CN210384895U (en) | 2020-04-24 |
Family
ID=70357557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921221379.3U Active CN210384895U (en) | 2019-07-30 | 2019-07-30 | Flash evaporation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210384895U (en) |
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2019
- 2019-07-30 CN CN201921221379.3U patent/CN210384895U/en active Active
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