CN220696305U - Distillation tower tail gas ethanol recovery unit - Google Patents
Distillation tower tail gas ethanol recovery unit Download PDFInfo
- Publication number
- CN220696305U CN220696305U CN202322217624.6U CN202322217624U CN220696305U CN 220696305 U CN220696305 U CN 220696305U CN 202322217624 U CN202322217624 U CN 202322217624U CN 220696305 U CN220696305 U CN 220696305U
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- Prior art keywords
- liquid storage
- tower body
- liquid
- ethanol recovery
- pipe
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000004821 distillation Methods 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 238000003860 storage Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000002274 desiccant Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model belongs to the technical field of recovery devices, and particularly relates to a distillation tower tail gas ethanol recovery device, which comprises a tower body, wherein one side of the tower body is provided with a feed inlet, a distillation assembly is fixedly arranged in the tower body, and the other side of the tower body is connected with a first air outlet pipe for discharging ethanol; the liquid storage device comprises a liquid storage barrel, wherein an installation bin is arranged at the upper end of the inside of the liquid storage barrel, a liquid storage bin is arranged at the lower end of the inside of the liquid storage barrel and used for storing ethanol, a second air outlet pipe is arranged in the installation bin, the upper end of the second air outlet pipe is communicated with the first air outlet pipe, the lower end of the second air outlet pipe is communicated with the liquid storage bin, a liquid outlet pipe is arranged at the bottom of the side wall of the liquid storage bin, a liquid outlet valve is fixedly arranged on the liquid outlet pipe, and a liquid outlet switch is controlled.
Description
Technical Field
The utility model belongs to the technical field of recovery devices, and particularly relates to a distillation tower tail gas ethanol recovery device.
Background
The distillation tower is made of rare metal titanium and other materials and alloy materials thereof, and chemical equipment manufactured by the distillation tower has the characteristics of high strength, high toughness, high temperature resistance, corrosion resistance, light specific gravity and the like; therefore, the method is widely applied to the fields of chemical industry, petrochemical industry, metallurgy, light industry, textile, alkali production, pharmacy, pesticide, electroplating, electronics and the like. Because the tail gas temperature of each tower end effect condenser exhaust is high, the quantity that high concentration alcohol (95.0%) that it takes volatilizes to the air is also very big, directly discharges in the atmosphere, can cause economic loss simultaneously also can cause atmospheric pollution.
Disclosure of Invention
The utility model aims at solving the technical problems, and provides a distillation tower tail gas ethanol recovery device, which achieves the effect of recovering ethanol and reduces atmospheric pollution.
In view of the above, the utility model provides a distillation tower tail gas ethanol recovery device, which comprises a tower body and a liquid storage barrel, wherein a feed inlet is formed in one side of the tower body, a distillation assembly is fixedly arranged in the tower body, the liquid storage barrel is connected with the tower body through a first air outlet pipe, the first air outlet pipe is arranged on the side surface of the upper end of the tower body, an installation bin is formed in the upper end of the inside of the liquid storage barrel, a liquid storage bin is formed in the lower end of the inside of the liquid storage barrel, a second air outlet pipe is arranged in the installation bin, one end of the second air outlet pipe is communicated with the first air outlet pipe, the other end of the second air outlet pipe is communicated with the liquid storage bin, a liquid outlet pipe is arranged at the bottom of the side wall of the liquid storage bin, and a liquid outlet valve is fixedly arranged on the liquid outlet pipe.
In the above technical scheme, further, the side bottom fixed mounting of tower body has the reboiler, and the feed liquor end of reboiler is fixed to be provided with the feed liquor pipe, and the bottom fixed connection of feed liquor pipe and tower body, the play liquid end of reboiler are fixed to be provided with the discharging pipe, and the discharging pipe is fixed to be provided with ejection of compact valve, and the top of reboiler is fixed to be provided with the back flow, back flow and the side fixed connection of tower body.
In the technical scheme, further, the distillation assembly comprises a tray, a sieve plate and an overflow weir, wherein a plurality of trays are vertically and uniformly arranged in the tray, the sieve plate is arranged on the tray, and the overflow weir is arranged on one side of the tray.
In the above technical scheme, further, the inside upper end of tower is provided with the desiccator, and the intussuseption of desiccator is filled with the drier, and the inside lower extreme of tower is provided with the filter screen.
In the above technical scheme, further, the second air outlet pipe is composed of a plurality of bent pipes.
In the above technical scheme, further, a cold clot is arranged between two adjacent bent pipes.
In the above technical scheme, further, the inner wall of the tower body and the inner wall of the liquid storage cylinder are made of stainless steel materials.
In the above technical scheme, further, the bottom end fixing of the tower body is provided with three supporting legs.
The beneficial effects of the utility model are as follows:
1. the device can recycle the ethanol in the tail gas, and has the characteristics of less investment, simple method, obvious economic effect and the like compared with the direct discharge in the prior art.
2. The second outlet duct comprises many return bends, and the stroke is longer, has increased area of contact, and is effectual to the condensation of tail gas.
3. The inner wall of the tower body and the inner wall of the liquid storage cylinder are made of stainless steel materials, so that an anti-corrosion effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the tower of the present utility model;
FIG. 3 is a schematic view of the internal structure of the liquid storage barrel of the utility model;
the label in the figure is: the device comprises a 1-tower body, a 2-feed inlet, a 3-first air outlet pipe, a 4-liquid storage cylinder, a 5-mounting bin, a 6-liquid storage bin, a 7-second air outlet pipe, an 8-liquid outlet pipe, a 9-liquid outlet valve, a 10-reboiler, an 11-liquid inlet pipe, a 12-liquid outlet pipe, a 13-liquid outlet valve, a 14-return pipe, a 15-tower plate, a 16-sieve plate, a 17-overflow weir, a 18-drying plate, a 19-filter screen, a 20-cold clot and 21-supporting legs.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
Example 1:
the embodiment provides a distillation column tail gas ethanol recovery unit, includes:
the distillation device comprises a tower body 1, wherein a feed inlet 2 is formed in one side of the tower body 1, a distillation assembly is fixedly arranged in the tower body 1, and a first air outlet pipe 3 is connected to the other side of the tower body 1;
the liquid storage barrel 4, the installation storehouse 5 has been seted up to the inside upper end of liquid storage barrel 4, liquid storage storehouse 6 has been seted up to the inside lower extreme of liquid storage barrel 4, the inside of installation storehouse 5 is provided with second outlet duct 7, the upper end and the first outlet duct 3 of second outlet duct 7 communicate with each other, the lower extreme and the liquid storage storehouse 6 of second outlet duct 7 communicate with each other, the lateral wall bottom of liquid storage storehouse 6 is provided with drain pipe 8, drain pipe 8 is fixed to be provided with out liquid valve 9.
It can be seen that the recovery device comprises a tower body 1 and a liquid storage barrel 4, wherein a feed inlet 2 is formed in one side of the tower body 1, a distillation component is fixedly arranged in the tower body 1, the liquid storage barrel 4 is connected with the tower body 1 through a first air outlet pipe 3, the first air outlet pipe 3 is arranged on the side face of the upper end of the tower body 1 and used for discharging ethanol, an installation bin 5 is formed in the upper end of the interior of the liquid storage barrel 4, a liquid storage bin 6 is formed in the lower end of the interior of the liquid storage barrel 4 and used for storing ethanol, a second air outlet pipe 7 is arranged in the installation bin 5, one end of the second air outlet pipe is communicated with the first air outlet pipe 3, the other end of the second air outlet pipe is communicated with the liquid storage bin 6, a liquid outlet pipe 8 is arranged at the bottom of the side wall of the liquid storage bin 6, and a liquid outlet valve 9 is fixedly arranged on the liquid outlet pipe 8 and used for controlling the opening and closing of liquid.
Example 2:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
The side bottom of the tower body 1 is fixedly provided with a reboiler 10, the liquid inlet end of the reboiler 10 is fixedly provided with a liquid inlet pipe 11, the liquid inlet pipe 11 is fixedly connected with the bottom end of the tower body 1, the liquid outlet end of the reboiler 10 is fixedly provided with a discharge pipe 12, the discharge pipe 12 is fixedly provided with a discharge valve 13, the top end of the reboiler 10 is fixedly provided with a return pipe 14, and the return pipe 14 is fixedly connected with the side surface of the tower body 1.
In this embodiment, it can be seen that the bottom of the side surface of the tower body 1 is fixedly provided with a reboiler 10, the liquid inlet end of the reboiler 10 is fixedly provided with a liquid inlet pipe 11, the introduced mixed liquid is heated and evaporated by the reboiler 10 and then is led into the tower body 1 through a return pipe 14 to be distilled and separated, the liquid outlet end of the reboiler 10 is fixedly provided with a discharge pipe 12, the discharge pipe 12 is fixedly provided with a discharge valve 13, and separated kettle liquid and the like are led out through the discharge pipe 12.
Example 3:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
The distillation assembly includes:
the tower plates 15 are vertically and uniformly arranged in the tower body 1;
a sieve plate 16, wherein the sieve plate 16 is arranged on the tower plate 15;
and an overflow weir 17, wherein one side of the tower plate 15 is provided with the overflow weir 17.
In this embodiment, it can be seen that the distillation assembly comprises a tray 15, a sieve plate 16, and an overflow weir 17, wherein the tray 15 is used for collecting materials in the tower body 1, the sieve plate 16 is used for transporting distilled liquid, and the overflow weir 17 is used for preventing the liquid on the tray 15 from overflowing uniformly.
Example 4:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
Further comprises:
a drying plate 18, wherein the upper end of the inside of the tower body 1 is provided with the drying plate 18, and the drying plate 18 is filled with a drying agent;
the filter screen 19, the lower extreme is provided with filter screen 19 in tower body 1 inside.
According to the embodiment, the upper end inside the tower body 1 is provided with the drying plate 18, the drying plate 18 is filled with the drying agent, the drying agent absorbs water vapor, the ethanol vapor is dehumidified, the ethanol vapor entering the first air outlet pipe 3 does not contain water vapor any more, and the lower end inside the tower body 1 is provided with the filter screen 19, so that impurities in the vapor can be filtered.
Example 5:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
The second air outlet pipe 7 is composed of a plurality of bent pipes.
In this embodiment, the second air outlet pipe 7 is formed by a plurality of bent pipes, the travel is longer, the contact area is increased, the condensation effect on the tail gas is better, and the tail gas enters the liquid storage barrel 4 after the flow rate is limited.
Example 6:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
A condensation block 20 is arranged between two adjacent bent pipes.
In this embodiment, it can be seen that the condensation block 20 can play a role in condensing steam and accelerating ethanol liquefaction after distillation.
Example 7:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
The inner wall of the tower body 1 and the inner wall of the liquid storage cylinder 4 are made of stainless steel materials.
In this embodiment, it can be seen that the inner walls of the tower body 1 and the liquid storage barrel 4 are made of stainless steel materials, and corrosion resistance of the tower body 1 and the liquid storage barrel 4 is improved through the stainless steel materials.
Example 8:
the embodiment provides a distillation tower tail gas ethanol recovery device, which has the following technical characteristics besides the technical scheme of the embodiment.
Three supporting legs 21 are fixedly arranged at the bottom end of the tower body 1.
In this embodiment, three supporting legs 21 are fixedly arranged at the bottom end of the tower body 1, so as to play a supporting role.
The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (8)
1. A distillation column off-gas ethanol recovery unit, comprising:
the distillation device comprises a tower body (1), wherein a feed inlet (2) is formed in one side of the tower body (1), a distillation assembly is fixedly arranged in the tower body (1), and a first air outlet pipe (3) is connected to the other side of the tower body (1);
the liquid storage barrel (4), install bin (5) have been seted up to the inside upper end of liquid storage barrel (4), liquid storage bin (6) have been seted up to the inside lower extreme of liquid storage barrel (4), the inside of installation bin (5) is provided with second outlet duct (7), the upper end and the first outlet duct (3) of second outlet duct (7) communicate with each other, the lower extreme and the liquid storage bin (6) of second outlet duct (7) communicate with each other, the lateral wall bottom of liquid storage bin (6) is provided with drain pipe (8), fixedly on drain pipe (8) be equipped with play liquid valve (9).
2. The distillation column tail gas ethanol recovery device according to claim 1, wherein a reboiler (10) is fixedly arranged at the bottom of the side face of the column body (1), a liquid inlet pipe (11) is fixedly arranged at the liquid inlet end of the reboiler (10), the liquid inlet pipe (11) is fixedly connected with the bottom end of the column body (1), a discharge pipe (12) is fixedly arranged at the liquid outlet end of the reboiler (10), a discharge valve (13) is fixedly arranged at the discharge pipe (12), a return pipe (14) is fixedly arranged at the top end of the reboiler (10), and the return pipe (14) is fixedly connected with the side face of the column body (1).
3. The distillation column off-gas ethanol recovery apparatus of claim 2, wherein the distillation assembly comprises:
the tower plates (15) are vertically and uniformly arranged in the tower body (1);
a sieve plate (16), wherein the sieve plate (16) is arranged on the column plate (15);
and an overflow weir (17), wherein one side of the tower plate (15) is provided with the overflow weir (17).
4. A distillation column off-gas ethanol recovery unit according to claim 3, further comprising:
the drying plate (18) is arranged at the upper end of the inside of the tower body (1), and the drying plate (18) is filled with a drying agent;
the filter screen (19), the inside lower extreme of tower body (1) is provided with filter screen (19).
5. The distillation column off-gas ethanol recovery device according to claim 4, wherein the second air outlet pipe (7) is composed of a plurality of bent pipes.
6. The distillation column off-gas ethanol recovery device according to claim 5, wherein a cold clot (20) is provided between two adjacent elbows.
7. The distillation column tail gas ethanol recovery device according to claim 6, wherein the inner wall of the column body (1) and the inner wall of the liquid storage cylinder (4) are made of stainless steel materials.
8. The distillation column tail gas ethanol recovery device according to claim 7, wherein three supporting legs (21) are fixedly arranged at the bottom end of the column body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217624.6U CN220696305U (en) | 2023-08-16 | 2023-08-16 | Distillation tower tail gas ethanol recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217624.6U CN220696305U (en) | 2023-08-16 | 2023-08-16 | Distillation tower tail gas ethanol recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220696305U true CN220696305U (en) | 2024-04-02 |
Family
ID=90446931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322217624.6U Active CN220696305U (en) | 2023-08-16 | 2023-08-16 | Distillation tower tail gas ethanol recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220696305U (en) |
-
2023
- 2023-08-16 CN CN202322217624.6U patent/CN220696305U/en active Active
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