CN210728695U - Rotary film evaporator and evaporation system composed of same - Google Patents
Rotary film evaporator and evaporation system composed of same Download PDFInfo
- Publication number
- CN210728695U CN210728695U CN201921419461.7U CN201921419461U CN210728695U CN 210728695 U CN210728695 U CN 210728695U CN 201921419461 U CN201921419461 U CN 201921419461U CN 210728695 U CN210728695 U CN 210728695U
- Authority
- CN
- China
- Prior art keywords
- film evaporator
- rotary film
- inner cylinder
- jacket
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a rotary film evaporator and an evaporation system composed of the rotary film evaporator, which consists of an inner cylinder and a jacket sleeved at two layers or an inner cylinder, a jacket and an outer jacket sleeved at three layers, wherein materials and heating media adopt a tangent feeding and discharging mode; the evaporation system adopts the combination of two-stage or three-stage rotary-film evaporators, can effectively control the process energy consumption and cost, is particularly suitable for the distillation of feed liquid which is easy to crystallize and scale and has high viscosity and the separation of acid salt of volatile acid liquid, and has the process characteristics of short evaporation time, high evaporation efficiency, simple equipment structure, high reliability, low manufacturing cost, convenient operation and maintenance and the like.
Description
Technical Field
The utility model relates to a rotary film evaporator and evaporation system who constitutes thereof, the distillation of concretely relates to easy scale deposit, easy jam, high viscosity liquid or volatile acid liquid, device of concentration or acid salt separation belongs to the evaporation equipment field.
Background
In the fields of chemical industry, food, medicine and environmental protection, evaporators are often used, and the evaporators mainly comprise a heating chamber and an evaporation chamber, wherein the heating chamber is used for providing heat required by evaporation for liquid to be evaporated, so that the liquid is promoted to be boiled and vaporized, and the process of gas-liquid separation of the liquid in the evaporation chamber is ensured. The common types of evaporators include forced circulation evaporators, falling film evaporators, wiped film evaporators and the like, but although the evaporators have high evaporation effect, the application range is limited due to the defects of complex equipment structure, high manufacturing difficulty, high equipment manufacturing cost and the like. In the prior art, in order to improve the evaporation efficiency of the equipment, patent document CN201373706Y (rotational flow liquid distribution device, 2009.12.30) discloses a distribution device suitable for heat exchange products such as a thin film evaporator, a condenser and the like, wherein a guide plate with a certain inclination angle with a nozzle shaft is arranged in a nozzle, and in practical application, a spiral nozzle uniformly sprays liquid at the end of a heating element while fully scattering the liquid, so that not only is a necessary condition created for distributing a film on the surface of the heating element by the liquid, but also the dispersed liquid is ensured to be in contact with the heating element at a higher speed, and flows on the surface of the heating element more rapidly and actively, and the distribution device has the characteristics of improving the evaporation strength, avoiding heat scale accumulation, reducing the running cost of the equipment and the like.
Can know by the above-mentioned patent, through increase liquid heat transfer area and accelerate liquid flow rate, have the acceleration effect for improve equipment evaporation efficiency, on this basis, the utility model provides an evaporimeter of novel structure and the vaporization system who constitutes thereof.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a film evaporator introduces the inner tube and the cover that two-layer cover was established with material and heating medium by tangential direction respectively, and the material is followed inner wall helical motion and is formed the membrane, carries out the heat transfer with the heating medium who presss from both sides the interior helical motion of cover, has that evaporation time is short, characteristics such as evaporation efficiency height, equipment structure are simple.
Another aim at provides a film evaporation ware adopts the inner tube, the cover that the three-layer cover was established to press from both sides and cover the constitution, all adopts tangent line pay-off mode to send into material or heating medium, and plus cover and the cover heat transfer preheat in order to realize the material, and the material after preheating is sent into the inner tube and is accomplished the evaporation process with pressing from both sides the cover heat transfer again, establishes the structure than two-layer cover, has practiced thrift the evaporation energy consumption effectively, and evaporation efficiency is high.
Another object of the utility model is to provide an evaporation system comprises rotary film evaporator, by tertiary rotary film evaporator multiple-effect evaporation system, not only can treat the evaporation material and preheat in order to reduce the evaporation equipment energy consumption, can also realize the recycle of steam, be favorable to the improvement of evaporation efficiency and the control of technology cost.
The utility model discloses a following technical scheme realizes: a rotary film evaporator comprises an inner cylinder, a jacket and an outer jacket which are sequentially sleeved from inside to outside, wherein a liquid inlet is formed in the upper part of the inner cylinder, a steam outlet is formed in the top of the inner cylinder, a liquid outlet is formed in the lower part of the inner cylinder, and pipelines for connecting the liquid inlet and the liquid outlet are respectively tangent to the outer wall of the inner cylinder; the upper part of the jacket is provided with a heating medium inlet, the lower part of the jacket is provided with a heating medium outlet, and pipelines connected with the heating medium inlet and the heating medium outlet are respectively tangent with the outer wall of the jacket; the upper part of the outer jacket is provided with a feed inlet, the lower part of the outer jacket is provided with a discharge outlet, pipelines for connecting the feed inlet and the discharge outlet are respectively tangent with the outer wall of the outer jacket, and the discharge outlet is communicated with the liquid inlet.
A rotary film evaporator comprises an inner cylinder and a jacket sleeved outside the inner cylinder, wherein a liquid inlet is formed in the upper part of the inner cylinder, a steam outlet is formed in the top of the inner cylinder, a liquid outlet is formed in the lower part of the inner cylinder, and pipelines for connecting the liquid inlet and the liquid outlet are respectively tangent to the outer wall of the inner cylinder; the upper part of the jacket is provided with a heating medium inlet, the lower part of the jacket is provided with a heating medium outlet, and pipelines connected with the heating medium inlet and the heating medium outlet are respectively tangent with the outer wall of the jacket.
In the rotary film evaporator, a pipeline connected with the liquid inlet (101) is inclined downwards along a horizontal plane, and the inclination angle is 10-15 degrees.
An evaporation system composed of a rotary film evaporator I, a rotary film evaporator II and a rotary film evaporator III, wherein the rotary film evaporator I is shown in claim 1, the rotary film evaporator II and the rotary film evaporator III are shown in claim 2, a stock solution enters from a heating medium inlet of the evaporator III, a heating medium outlet of the rotary film evaporator III is communicated with a liquid inlet of the rotary film evaporator II, a liquid outlet of the rotary film evaporator II is communicated with a feeding hole of the rotary film evaporator I, a discharging hole of the rotary film evaporator I is communicated with a liquid inlet of the rotary film evaporator I, a steam outlet of the rotary film evaporator I is communicated with a heating medium inlet of the rotary film evaporator II, and a liquid outlet of the rotary film evaporator I is communicated with a liquid inlet of the.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses equipment structure is simple, can adopt the inner tube and the cover that two-layer cover was established, feeding method is the tangent line feeding, the mode that utilizes the tangent line feeding makes material or medium follow its inner wall helical motion and form the membrane, can not only increase heat transfer area, heat transfer medium's high-speed motion can also promote heat transfer rate, shorten the evaporation time, have characteristics such as the reliability is high, the cost is low, operation easy maintenance, be particularly useful for the crystallization, easy scale deposit, the distillation of the high liquid of viscosity, or the concentration of high salt waste water, perhaps processes such as the acid salt separation of volatile acid liquid.
(2) The utility model discloses still can adopt the inner tube that the three-layer cover was established, press from both sides cover and outer jacket, equally all adopt tangent line feeding mode, the outer jacket that increases preheats with the material that presss from both sides the cover heat transfer so that treat the evaporation, not only possesses that evaporation time is short, evaporation efficiency is high, outside advantages such as equipment structure is simple, can also effectively reduce the evaporation energy consumption, is favorable to the control of processing cost.
(3) The utility model discloses can adopt the rotary film evaporation ware to constitute two-effect or triple effect evaporation system and use, when accomplishing material evaporation and concentration, can also retrieve the waste heat of steam and concentrated material to reduce the evaporation energy consumption of equipment, control process cost improves the reliability of technology operation.
Drawings
Fig. 1 is a schematic structural diagram (a) of the rotary film evaporator of the invention.
Figure 2 is a top view of the wiped film evaporator of figure 1.
Fig. 3 is a schematic structural diagram (two) of the rotary film evaporator of the present invention.
Figure 4 is a top view of the wiped film evaporator shown in figure 3.
Fig. 5 is a schematic structural diagram of the evaporation system of the present invention.
The crystallizer comprises a shell, an inner cylinder, a liquid inlet, a steam outlet, a liquid outlet, a jacket, a heating medium inlet, a heating medium outlet, a jacket, a heating medium outlet, a heating medium.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1:
the present embodiment relates to a rotary film evaporator.
As shown in fig. 1 and 2, the rotary film evaporator is composed of an inner cylinder 1 and a jacket 2, the jacket 2 is sleeved outside the inner cylinder 1, a liquid inlet 101 is arranged at the upper part of the inner cylinder 1, a steam outlet 102 is arranged at the top part of the inner cylinder 1, a liquid outlet 103 is arranged at the lower part of the inner cylinder 1, and pipelines connecting the liquid inlet 101 and the liquid outlet 103 are respectively tangent to the outer wall of the inner cylinder 1; the upper part of the jacket 2 is provided with a heating medium inlet 201, the lower part of the jacket 2 is provided with a heating medium outlet 202, and pipelines connected with the heating medium inlet 201 and the heating medium outlet 202 are respectively tangent with the outer wall of the jacket 2.
The rotary film evaporator related to the embodiment is mainly used for heat exchange, evaporation or concentration of fluid materials, the fluid materials enter from the liquid inlet 101 at the upper part of the inner cylinder 1 along a tangent line and form a film along the inner wall of the inner cylinder 1 in a spiral motion manner, a pipeline connected with the liquid inlet 101 is inclined downwards along a horizontal plane, and the inclination angle is 10-15 degrees. In actual use, the thickness of the membrane can be adjusted by changing the size of the inner diameter of the liquid inlet 101. Taking the garbage treatment of high-salinity wastewater as an example, when the thickness of the membrane is adjusted to be 1-3mm, the speed of the liquid inlet 101 needs to meet 6-10 m/s. The fluid material enters the inner cylinder 1 tangentially and moves spirally from top to bottom at a high speed to form a film tightly attached to the inner wall, a heating medium enters the jacket 2 from a heating medium inlet 201 at the upper part of the jacket 2 tangentially, and exchanges heat with the fluid material in the inner cylinder 1 at the same time, and the heating medium after heat exchange is sent out from a heating medium outlet 202 at the lower part of the jacket 2 tangentially and sent to equipment such as a heater for recycling. In practical use, the heating medium can adopt heat conduction oil, steam or hot gas, and the temperature of the heating medium can be controlled according to the volatilization characteristic of the gas in the fluid material, for example, when the high-salinity wastewater in the garbage treatment is evaporated, the heating medium adopts heat conduction oil, and the temperature is controlled to be 200-300 ℃.
Inside the inner cylinder 1, the fluid material distributed in a film shape is beneficial to increasing the heat exchange area, and the material moving at high speed can exchange heat quickly, so that the fluid material is evaporated or concentrated in the inner cylinder 1, the steam is discharged from a steam outlet 102 at the top of the inner cylinder 1 and can be set as a steam extraction port communicated with a vacuum pump or a fan air inlet, and the steam is extracted from the inner cylinder 1 by utilizing negative pressure. The concentrated fluid material is sent out from a liquid outlet 103 at the lower part of the inner cylinder 1 along a tangent line, and can be continuously evaporated and concentrated or directly sent into a crystallization process for cooling and crystallization to obtain a product.
Example 2:
when the hydrochloric acid waste liquid for metal surface treatment is evaporated, a rotary film evaporator shown in figures 3 and 4 is adopted, the rotary film evaporator consists of an inner cylinder 1, a jacket 2 and an outer jacket 3, the inner cylinder 1, the jacket 2 and the outer jacket 3 are sequentially sleeved from inside to outside, the upper part of the inner cylinder 1 is provided with a liquid inlet 101, the top part of the inner cylinder 1 is provided with a steam outlet 102, the lower part of the inner cylinder 1 is provided with a liquid outlet 103, and pipelines for connecting the liquid inlet 101 and the liquid outlet 103 are respectively tangent to the outer wall of the inner cylinder 1; the upper part of the jacket 2 is provided with a heating medium inlet 201, the lower part of the jacket 2 is provided with a heating medium outlet 202, and pipelines connected with the heating medium inlet 201 and the heating medium outlet 202 are respectively tangent with the outer wall of the jacket 2; the upper part of the outer jacket 3 is provided with a feed inlet 301, the lower part of the outer jacket 3 is provided with a discharge outlet 302, pipelines connecting the feed inlet 301 and the discharge outlet 302 are respectively tangent with the outer wall of the outer jacket 3, and the discharge outlet 302 is communicated with the liquid inlet 101.
In this embodiment, compared with embodiment 1, the structure of the outer jacket 3 is added, and is used for evaporating or concentrating the fluid material after preheating, and the specific process is as follows: hydrochloric acid waste liquid is fed into the outer jacket 3 from a feeding port 301 at the upper part of the outer jacket 3 along a tangent line, the hydrochloric acid waste liquid is preheated by a heating medium in the jacket 2 while moving spirally, the preheated hydrochloric acid waste liquid is fed out of the outer jacket 3 from a discharging port 302 at the lower part of the outer jacket 3 along a tangent line, and then is pumped into the inner cylinder 1 by a liquid material pump, and exchanges heat with the heating medium in the jacket 2 again (the specific process can be seen in embodiment 1), the hydrochloric acid waste liquid is rapidly evaporated from the acid liquid by utilizing the characteristic of volatility of hydrochloric acid, hydrochloric acid vapor is fed out from a vapor outlet 102 and is recycled by a recycling tower to obtain dilute hydrochloric acid, and concentrated salt liquid is fed out.
Example 3:
the embodiment relates to an evaporation system, which is used for evaporating high-salinity wastewater in waste treatment and is formed by combining three sets of rotary film evaporators, specifically comprising a rotary film evaporator I, a rotary film evaporator II and a rotary film evaporator III shown in fig. 5, wherein the structure of the rotary film evaporator I is shown in an embodiment 2, and the structure of the rotary film evaporator II is shown in an embodiment 1, a heating medium outlet 202 of the rotary film evaporator III is communicated with a liquid inlet 101 of the rotary film evaporator II, a liquid outlet 103 of the rotary film evaporator II is communicated with a liquid inlet 301 of the rotary film evaporator I, and a liquid outlet 103 of the rotary film evaporator I is communicated with a liquid inlet 101 of the rotary film evaporator; a steam outlet 102 of the rotary film evaporator I is communicated with a heating medium inlet 201 of the rotary film evaporator II; the vapor outlets 102 of the second and third rotary-film evaporators are both communicated with a heating medium inlet 201 of the second rotary-film evaporator.
The process flow is as follows: high-salt wastewater is sent into the jacket 2 from a heating medium inlet of the rotary film evaporator III along a tangent line, preheated by the high-salt wastewater in the inner cylinder 1 of the rotary film evaporator III, sent out from a heating medium outlet 202 along a tangent line and sent to the storage tank A. And starting a feed liquid pump F1, sending the high-salinity wastewater preheated in the storage tank A to the inner cylinder 1 of the rotary film evaporator II for primary evaporation, sending primary steam obtained by evaporation out of a steam extraction port of the inner cylinder 1 of the rotary film evaporator II, and sending primary concentrated wastewater obtained by evaporation to the storage tank B from a liquid outlet 103 of the inner cylinder 1 of the rotary film evaporator II. And starting a feed liquid pump F2, sending the high-salinity wastewater in the storage tank B to an outer jacket 3 of the rotary film evaporator I, heating by the outer jacket 3, and then sending to a storage tank C. And starting a feed liquid pump F3, sending the heated primary concentrated wastewater in the storage tank C to the inner cylinder 1 of the rotary film evaporator I for secondary evaporation, sending the secondary concentrated wastewater obtained by evaporation out of a steam extraction port of the inner cylinder 1 of the rotary film evaporator I, and sending the secondary concentrated wastewater to the storage tank D from a liquid outlet 103 of the inner cylinder 1 of the rotary film evaporator I. And starting a feed liquid pump F4, sending the secondary concentrated wastewater in the storage tank D to an inner cylinder 1 of a rotary film evaporator III, cooling (circularly) the high-salinity wastewater sent into a jacket 2 of the rotary film evaporator III, and sending the cooled secondary concentrated wastewater into a crystallizer 4 from a liquid outlet 103 of the inner cylinder 1 of the rotary film evaporator III. The primary steam, the secondary steam and the steam pumped out from the inner cylinder 1 of the rotary film evaporator III are returned to the rotary film evaporator II together, and are introduced into the jacket 2 of the rotary film evaporator II along a tangent line by a fan to be used as a heating medium.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (4)
1. A rotary film evaporator characterized by: the device comprises an inner cylinder (1), a jacket (2) and an outer jacket (3) which are sequentially sleeved from inside to outside, wherein a liquid inlet (101) is formed in the upper part of the inner cylinder (1), a steam outlet (102) is formed in the top part of the inner cylinder (1), a liquid outlet (103) is formed in the lower part of the inner cylinder (1), and pipelines for connecting the liquid inlet (101) and the liquid outlet (103) are respectively tangent to the outer wall of the inner cylinder (1); a heating medium inlet (201) is arranged at the upper part of the jacket (2), a heating medium outlet (202) is arranged at the lower part of the jacket (2), and pipelines connected with the heating medium inlet (201) and the heating medium outlet (202) are respectively tangent to the outer wall of the jacket (2); the upper part of the outer jacket (3) is provided with a feed inlet (301), the lower part of the outer jacket (3) is provided with a discharge outlet (302), pipelines connecting the feed inlet (301) and the discharge outlet (302) are respectively tangent with the outer wall of the outer jacket (3), and the discharge outlet (302) is communicated with the liquid inlet (101).
2. A rotary film evaporator characterized by: the device comprises an inner cylinder (1) and a jacket (2) sleeved outside the inner cylinder (1), wherein a liquid inlet (101) is formed in the upper part of the inner cylinder (1), a steam outlet (102) is formed in the top part of the inner cylinder (1), a liquid outlet (103) is formed in the lower part of the inner cylinder (1), and pipelines for connecting the liquid inlet (101) and the liquid outlet (103) are respectively tangent to the outer wall of the inner cylinder (1); the upper part of the jacket (2) is provided with a heating medium inlet (201), the lower part of the jacket (2) is provided with a heating medium outlet (202), and pipelines connected with the heating medium inlet (201) and the heating medium outlet (202) are respectively tangent with the outer wall of the jacket (2).
3. A rotary film evaporator according to any one of claims 1 or 2 wherein: the pipeline connected with the liquid inlet (101) is inclined downwards along the horizontal plane, and the inclination angle is 10-15 degrees.
4. An evaporation system consisting of a rotary film evaporator, characterized in that: the evaporator comprises a rotary film evaporator I, a rotary film evaporator II and a rotary film evaporator III, wherein the rotary film evaporator I adopts the rotary film evaporator in claim 1, the rotary film evaporator II and the rotary film evaporator III adopt the rotary film evaporator in claim 2, stock solution enters from a heating medium inlet of the rotary film evaporator III, a heating medium outlet of the rotary film evaporator III is communicated with a liquid inlet of the rotary film evaporator II, a liquid outlet of the rotary film evaporator II is communicated with a feed inlet of the rotary film evaporator I, a discharge outlet of the rotary film evaporator I is communicated with a liquid inlet of the rotary film evaporator I, a steam outlet of the rotary film evaporator I is communicated with a heating medium inlet of the rotary film evaporator II, and a liquid outlet of the rotary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419461.7U CN210728695U (en) | 2019-08-29 | 2019-08-29 | Rotary film evaporator and evaporation system composed of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419461.7U CN210728695U (en) | 2019-08-29 | 2019-08-29 | Rotary film evaporator and evaporation system composed of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210728695U true CN210728695U (en) | 2020-06-12 |
Family
ID=70979906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921419461.7U Expired - Fee Related CN210728695U (en) | 2019-08-29 | 2019-08-29 | Rotary film evaporator and evaporation system composed of same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210728695U (en) |
-
2019
- 2019-08-29 CN CN201921419461.7U patent/CN210728695U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203428934U (en) | Concentrating and crystallizing system of copper sulfate solution | |
| CN203577339U (en) | Mechanical vapor recompression type evaporation and concentration device | |
| CN101935077A (en) | Waste acid concentration multistage treatment method | |
| CN202625969U (en) | High-salinity organic wastewater treatment device | |
| CN102211992A (en) | Process for reclaiming dibasic acid from adipic acid production waste solution | |
| CN102249203A (en) | Phosphoric acid evaporation process and device thereof | |
| CN210728695U (en) | Rotary film evaporator and evaporation system composed of same | |
| CN107792904A (en) | A kind of technique and device of continuous removal of ammonia and nitrogen light component organic matter and salt | |
| CN102512833A (en) | Horizontal-pipe falling-film evaporation method coupling distillation and device thereof | |
| CN110935185A (en) | Tobacco extract evaporation and concentration device and evaporation and concentration process thereof | |
| CN202315342U (en) | Horizontal pipe falling film evaporation tower | |
| CN216125198U (en) | MVR evaporator capable of adjusting evaporation temperature according to different mother liquor requirements | |
| CN109499080A (en) | A kind of evaporation equipment for Calcium Chloride Production | |
| CN206081667U (en) | MVR distillation plant | |
| CN212511085U (en) | Gas-liquid separator on steam generator | |
| CN113457185A (en) | MVR evaporator capable of adjusting evaporation temperature according to different mother liquor temperature requirements and using method thereof | |
| CN203777697U (en) | Continuous crystallizing device with preheaters for ammonium molybdate production | |
| CN208770871U (en) | Economic benefits and social benefits titanium liquid enrichment facility | |
| CN215352077U (en) | Plate-type MVR evaporation concentration crystallization system | |
| CN207581401U (en) | A kind of device of method treatment of acidic wastewater using concentration stripping | |
| CN204981212U (en) | Evaporative concentration system of medicine waste water | |
| CN220125522U (en) | Thin film evaporator | |
| CN209865336U (en) | Falling film evaporation device for traditional Chinese medicine extraction | |
| CN215387666U (en) | Triple-effect forced circulation type evaporative crystallizer | |
| CN217612942U (en) | Reaction solvent recovery unit is used in bromine nitryl alcohol production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210829 |