CN213049436U - Gas-liquid separation type combined evaporator - Google Patents
Gas-liquid separation type combined evaporator Download PDFInfo
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- CN213049436U CN213049436U CN202021462815.9U CN202021462815U CN213049436U CN 213049436 U CN213049436 U CN 213049436U CN 202021462815 U CN202021462815 U CN 202021462815U CN 213049436 U CN213049436 U CN 213049436U
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- film evaporator
- wiped film
- evaporation
- evaporator
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Abstract
The utility model discloses a gas-liquid separation type combined evaporator, which comprises a wiped film evaporator, wherein the wiped film evaporator is provided with a feed inlet and an exhaust outlet, the feed inlet extends into the wiped film evaporator and is tangent to the inner wall surface of the wiped film evaporator, and the exhaust outlet is provided with a defoaming mechanism; the device also comprises a rising/falling film evaporator, and the rising/falling film evaporator is connected with the feed inlet of the wiped film evaporator through a pipeline. The utility model discloses a rising/falling liquid film evaporation and wiped film evaporation's joint evaporation mode makes the material take place gas-liquid separation earlier, and cooperation tangent line feeding and defoaming are handled for most low boiling point light component direct segregation discharge, carry out the wiped film evaporation after the separation again, effectively improved holistic evaporation capacity of evaporimeter and evaporation efficiency from this, it is effectual to have remain wiped film evaporator evaporation simultaneously, the advantage that the light component evaporation rate is high.
Description
Technical Field
The utility model relates to an evaporimeter technical field, concretely relates to gas-liquid separation formula joint evaporator.
Background
The wiped film evaporator is a novel high-efficiency evaporator which is forced to form a film by a rotary wiped film device, flows at a high speed, has high heat transfer efficiency and short residence time (about 10-50 seconds) and can perform falling film evaporation under a vacuum condition. When the device works, the mixed material radially enters the evaporator from the upper part of the heating area, is distributed on the heating wall surface of the evaporator through the distributing device, and is continuously and uniformly scraped into a liquid film with uniform thickness by the rotary film scraper on the heating surface and is spirally pushed downwards. In the process, the rotating film scraper ensures that a continuous and uniform liquid film generates high-speed turbulence and prevents the liquid film from coking and scaling on a heating surface, thereby improving the total transmission coefficient. The light components are evaporated to form steam flow which rises and reaches an external condenser directly connected with the evaporator through a steam-liquid separator; the heavy component is discharged from a cone material port at the bottom of the evaporator.
However, when the material is introduced into the wiped film evaporator, the heavy component and the light component are both in liquid state, and although the wiped film evaporator has good evaporation effect and high evaporation rate of the light component, the distribution and heating evaporation capacity of the wiped film evaporator is small, so that the overall evaporation separation efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an evaporator is united to gas-liquid separation formula, it has solved the problem that single use wiped film evaporator evaporation capacity is little, evaporation and separation efficiency is low.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a gas-liquid separation type combined evaporator comprises a wiped film evaporator, wherein the wiped film evaporator is provided with a feed inlet and an exhaust outlet, the feed inlet extends into the wiped film evaporator and is tangent to the inner wall surface of the wiped film evaporator, and the exhaust outlet is provided with a defoaming mechanism;
the device also comprises a rising/falling film evaporator, and the rising/falling film evaporator is connected with the feed inlet of the wiped film evaporator through a pipeline.
The further improvement is that the defoaming mechanism adopts a defoaming net, a baffle plate or a cyclone separation structure.
The further improvement lies in that a stirring paddle is arranged in the wiped film evaporator and is synchronously driven with a scraper of the wiped film evaporator.
The beneficial effects of the utility model reside in that: the combined evaporation mode of rising/falling film evaporation and wiped film evaporation is adopted, so that the material is subjected to gas-liquid separation firstly, tangential feeding and defoaming treatment are matched, most of light components with low boiling points are directly separated and discharged, and wiped film evaporation is carried out after separation, so that the overall evaporation capacity and evaporation efficiency of the evaporator are effectively improved, and the advantages of good evaporation effect and high evaporation rate of the light components of the wiped film evaporator are retained.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a wiped film evaporator; 2. a feed inlet; 3. an exhaust port; 4. a defoaming mechanism; 5. a rising/falling film evaporator; 6. and (4) a stirring paddle.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1, a gas-liquid separation type combined evaporator comprises a wiped film evaporator 1, wherein the wiped film evaporator 1 comprises a conventional motor, a rotating shaft, a scraper and other structures, in addition, the wiped film evaporator 1 is provided with a feed inlet 2 and an exhaust outlet 3, the feed inlet 2 extends into the wiped film evaporator 1 and is tangent to the inner wall surface of the wiped film evaporator 1 to realize tangential feeding, and the exhaust outlet 3 is provided with a defoaming mechanism 4 for filtering liquid foam during exhaust; in addition, the device also comprises a rising/falling film evaporator 5, wherein the rising/falling film evaporator 5 is connected with the feed inlet 2 of the wiped film evaporator 1 through a pipeline, and the rising/falling film evaporator 5 is a rising film evaporator or a falling film evaporator and is used for realizing the primary gas-liquid separation of materials.
Taking the example of a material oil (90% oil + 10% solvent ketone), the boiling point of the oil is around 320 ℃ and the boiling point of the ketone is around 202 ℃. The material is firstly led into the rising/falling film evaporator 5 through a pipeline, the temperature is heated to 210 ℃, about 8 percent of ketone can be vaporized, the formed gas-liquid mixture is led into the wiped film evaporator 1 through the feed inlet 2, the gas-liquid separation effect can be improved through tangential feeding at the moment, 8 percent of ketone steam is directly discharged from the exhaust port 3, and the defoaming mechanism 4 plays a role in filtering liquid foam during discharging, so that the liquid loss is avoided; the remaining 90% of oil and 2% of ketone are continuously and uniformly scraped into a liquid film with uniform thickness by the action of a film scraping structure, the light component ketone in the liquid film is evaporated and discharged by heating, and the oil is discharged from a discharge port, so that the oil and the ketone are separated.
In the utility model, the defoaming mechanism 4 adopts a defoaming net, a baffle plate or a cyclone separation structure.
The utility model discloses in, be equipped with stirring rake 6 in the wiped film evaporator 1, stirring rake 6 and wiped film evaporator 1's scraper blade synchronous drive are connected in the pivot promptly, and when the motor drive scraper blade carried out the cloth wiped film, synchronous drive stirring rake 6 stirred, avoided the heavy component that leaves to take place phenomenons such as scale deposit, caking or agglomeration, the unloading of being convenient for.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (3)
1. The utility model provides a gas-liquid separation formula unites evaporimeter, includes wiped film evaporator (1), wiped film evaporator (1) is equipped with feed inlet (2) and gas vent (3), its characterized in that: the feed inlet (2) extends into the wiped film evaporator (1) and is tangent to the inner wall surface of the wiped film evaporator (1), and the exhaust port (3) is provided with a defoaming mechanism (4);
the device also comprises a rising/falling film evaporator (5), wherein the rising/falling film evaporator (5) is connected with the feed inlet (2) of the wiped film evaporator (1) through a pipeline.
2. A gas-liquid separation type combined evaporator according to claim 1, wherein: the defoaming mechanism (4) adopts a defoaming net, a baffle plate or a cyclone separation structure.
3. A gas-liquid separation type combined evaporator according to claim 1, wherein: the wiped film evaporator is characterized in that a stirring paddle (6) is arranged in the wiped film evaporator (1), and the stirring paddle (6) and a scraping plate of the wiped film evaporator (1) are driven synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462815.9U CN213049436U (en) | 2020-07-22 | 2020-07-22 | Gas-liquid separation type combined evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462815.9U CN213049436U (en) | 2020-07-22 | 2020-07-22 | Gas-liquid separation type combined evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213049436U true CN213049436U (en) | 2021-04-27 |
Family
ID=75575562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021462815.9U Active CN213049436U (en) | 2020-07-22 | 2020-07-22 | Gas-liquid separation type combined evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213049436U (en) |
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2020
- 2020-07-22 CN CN202021462815.9U patent/CN213049436U/en active Active
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