CN209456081U - Rectifying column is used in food-grade carbon-dioxide production - Google Patents
Rectifying column is used in food-grade carbon-dioxide production Download PDFInfo
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- CN209456081U CN209456081U CN201920108972.0U CN201920108972U CN209456081U CN 209456081 U CN209456081 U CN 209456081U CN 201920108972 U CN201920108972 U CN 201920108972U CN 209456081 U CN209456081 U CN 209456081U
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- tower body
- carbon dioxide
- condenser
- food
- feed pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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Abstract
The utility model discloses food-grade carbon-dioxide production rectifying columns, including tower body, the condenser being mounted on tower body and the co 2 liquefaction device being connect with tower body, the side wall on the tower body top is equipped with feed pipe, sieve plate is equipped in tower body below feed pipe, gas gathering mask is equipped at the top of tower body, the side wall of tower body lower part is equipped with reboiler, tower body above the reboiler is equipped with the U-tube connecting with co 2 liquefaction device, heating mantle is installed in U-tube, the exhaust pipe connecting with co 2 liquefaction device is additionally provided at the top of U-tube, the heat exchange pipeline around the home on circulating line is connected on the co 2 liquefaction device.For the utility model by the way that gas gathering mask is arranged on tower body, the carbon dioxide gas that can be exchanged heat to reboiler is condensed into the carbon dioxide of liquid again, to reduce the waste of carbon dioxide, improves the concentration of carbon dioxide；By the way that feed pipe is arranged, when reboiler can be made to evaporate carbon dioxide, the temperature of liquefied carbon dioxide is improved.
Description
Technical field
The utility model relates to carbon dioxide production plant fields, produce and use more particularly to a kind of food-grade carbon-dioxide
Rectifying column.
Background technique
Since carbon dioxide is compared with other components gas (such as nitrogen, hydrogen, oxygen), solidification temperature is much higher, easily
Freezeout is caused, therefore in carbon dioxide rectification and purification technique, for the continuous and steady operation for guaranteeing distillation process, it is necessary to ensure that
Rectification temperature can execute more than the solidification temperature of the rectifying condition carbon dioxide, and need to be arranged more than certain temperature
Amount.The carbon dioxide in waste gas concentration that such technique will cause the top of the distillation column discharge is higher (generally higher than 30%), tower bottom
The rate of recovery relative reduction of carbon dioxide
It is existing to be set as single housing structure mostly applied to rectifying column involved in pharmaceutical-chemical intermediate production process, this
Kind structure improves rectification efficiency to a certain extent, but be easy to cause carbon dioxide purification low efficiency, is in addition also easy to cause rectifying
The blocking of tower tower body, is also unfavorable for the output of high purity product.
Summary of the invention
The purpose of this utility model is to provide a kind of highly concentrated food-grade carbon-dioxide production rectifying columns of rectifying.
The purpose of this utility model is achieved through the following technical solutions:
Food-grade carbon-dioxide production rectifying column, connect including tower body, the condenser being mounted on tower body and with tower body
Co 2 liquefaction device, the side wall on the tower body top is equipped with feed pipe, is equipped with muti-piece water in the tower body below feed pipe
The sieve plate of flat setting, tower body top are equipped with gas gathering mask, are connected with air pressurization pump on gas gathering mask, air pressurization pump passes through circulation pipe
Road is connect with condenser, liquefied pot is connected on condenser, and liquefied pot is connect with feed pipe, and the side wall of tower body lower part is equipped with
Reboiler, the tower body above the reboiler are equipped with U-tube connect with co 2 liquefaction device, are equipped with and add in U-tube
Hot jacket is additionally provided with the exhaust pipe connecting with co 2 liquefaction device at the top of U-tube, be connected on the co 2 liquefaction device around
Set the heat exchange pipeline on circulating line.
Sieve plate positioned at top is equipped with the feed pipe for protruding into tower body bottom.
Sampling valve is also connected in the U-tube.
The condenser is plate-type condenser, is equipped with flue gas leading in condenser.
The exhaust pipe is equipped with pressure filter.
The utility model has the effect that
(1) by the way that gas gathering mask is arranged on tower body, the carbon dioxide gas that can be exchanged heat to reboiler is condensed into liquid again
Carbon dioxide improve the concentration of carbon dioxide to reduce the waste of carbon dioxide；
(2) by setting U-tube, rectifying can be carried out again to carbon dioxide, further improves the dense of carbon dioxide
Degree enables carbon dioxide to reach food-grade requirement；
(3) by setting heat exchange pipeline, the carbon dioxide that can be evaporated to reboiler is pre-chilled, and improves carbon dioxide
Liquefaction efficiency, while avoiding rectifying column blocking；
(4) temperature of liquefied carbon dioxide is improved, is added when reboiler can be made to evaporate carbon dioxide by setting feed pipe
Other gas evaporation speed in fast carbon dioxide, avoid other gases from being passed to carbon dioxide condenser, realize food-grade two
Carbonoxide quickly extracts；
(5) it by setting U-tube, can further improve the concentration of carbon dioxide, while improving the work effect of rectifying column
Rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: 1, tower body；11, feed pipe；12, sieve plate；13, feed pipe；14, gas gathering mask；2, air pressurization pump；
21, circulating line；3, condenser；31, liquefied pot；32, flue gas leading；4, reboiler；5, U-tube；51, heating mantle；52, it is vented
Pipe；53, pressure filter；54, sampling valve；6, co 2 liquefaction device；61, heat exchange pipeline.
Specific embodiment
Embodiment
As shown in Figure 1, food-grade carbon-dioxide production rectifying column provided in this embodiment includes tower body 1, is mounted on tower
The side wall of condenser 3 on body 1 and the co 2 liquefaction device 6 connecting with tower body 1,1 top of tower body is equipped with feed pipe
11, the tower body 1 of 11 lower section of feed pipe is interior to be equipped with the horizontally disposed sieve plate 12 of muti-piece, and the sieve plate 12 positioned at top, which is equipped with, protrudes into tower
The feed pipe 13 of 1 bottom of body is equipped with gas gathering mask 14 at the top of tower body 1, is connected with air pressurization pump 2, air pressurized on gas gathering mask 14
Pump 2 is connect by circulating line 21 with condenser 3, liquefied pot 31 is connected on condenser 3, and liquefied pot 31 and feed pipe 11 connect
It connects, the side wall of 1 lower part of tower body is equipped with reboiler 4, and the tower body 1 of 4 top of reboiler is equipped with and co 2 liquefaction device 6
The U-tube 5 of connection is equipped with heating mantle 51 in U-tube 5, the row connecting with co 2 liquefaction device 6 is additionally provided at the top of U-tube 5
Tracheae 52, the exhaust pipe 52 are equipped with pressure filter 53, and 5 upper bottom portion of U-tube is also connected with sampling valve 54, and described two
The heat exchange pipeline 61 around the home on circulating line 21 is connected on carbonoxide liquefier 6, the condenser 3 is plate-type condenser 3.
The application method of the utility model is:
The carbon dioxide of liquid is flowed into tower body 1 by feed pipe 11, after the carbon dioxide of liquid enters tower body 1, from sieve
Feed pipe 13 on plate 12 flows into 1 bottom of tower body, and reboiler 4 heats up to the carbon dioxide of liquid at this time, makes liquid dioxy
Change remaining gas evaporation in carbon to come out, the gas of evaporation is passed in air pressurization pump 2 by gas gathering mask 14, air pressurization pump 2
The gas of evaporation is condensed by circulating line 21, the carbon dioxide in boil-off gas is made to condense into the carbon dioxide and biography of liquid
Enter in liquefied pot 31, is discharged with remaining gas in post-condenser 3 by flue gas leading 32, worker extracts liquid according to sampling valve 54
The concentration of carbon dioxide, when liquid carbon dioxide requires mostly, worker starts heating mantle 51, further to liquid carbon dioxide
It being purified, liquid carbon dioxide is discharged into co 2 liquefaction device 6 from exhaust pipe 52 by the evaporation of heating mantle 51 and liquefies,
The food-grade carbon-dioxide liquid of high-purity is obtained at this time, and the cold air that co 2 liquefaction device 6 generates when working passes through heat exchanger tube
Road 61 is spread out of, and the gas evaporated in circulating line 21 is pre-chilled, to accelerate the liquefying speed of carbon dioxide in boil-off gas.
The above is only the utility model preferred embodiment, but the protection scope of the utility model is not limited to
This, any transformation carried out based on technical solution provided by the utility model and inventive concept and replacement should all be covered in this reality
With in novel protection scope.
Claims (5)
1. food-grade carbon-dioxide production use rectifying column, it is characterised in that: including tower body, the condenser being mounted on tower body and with
The co 2 liquefaction device of tower body connection, the side wall on the tower body top are equipped with feed pipe, set in the tower body below feed pipe
There is the horizontally disposed sieve plate of muti-piece, gas gathering mask is equipped at the top of tower body, air pressurization pump is connected on gas gathering mask, air pressurization pump is logical
It crosses circulating line to connect with condenser, liquefied pot is connected on condenser, and liquefied pot is connect with feed pipe, the side of tower body lower part
Wall is equipped with reboiler, and the tower body above the reboiler is equipped with the U-tube connecting with co 2 liquefaction device, in U-tube
Heating mantle is installed, is additionally provided with the exhaust pipe connecting with co 2 liquefaction device at the top of U-tube, on the co 2 liquefaction device
It is connected with the heat exchange pipeline around the home on circulating line.
2. food-grade carbon-dioxide production rectifying column according to claim 1, it is characterised in that: the sieve plate positioned at top
It is equipped with the feed pipe for protruding into tower body bottom.
3. food-grade carbon-dioxide production rectifying column according to claim 1, it is characterised in that: in the U-tube also
It is connected with sampling valve.
4. food-grade carbon-dioxide production rectifying column according to claim 1, it is characterised in that: the condenser is plate
Formula condenser, condenser is interior to be equipped with flue gas leading.
5. food-grade carbon-dioxide production rectifying column according to claim 1, it is characterised in that: set on the exhaust pipe
There is pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108972.0U CN209456081U (en) | 2019-01-23 | 2019-01-23 | Rectifying column is used in food-grade carbon-dioxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108972.0U CN209456081U (en) | 2019-01-23 | 2019-01-23 | Rectifying column is used in food-grade carbon-dioxide production |
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| Publication Number | Publication Date |
|---|---|
| CN209456081U true CN209456081U (en) | 2019-10-01 |
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ID=68045408
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920108972.0U Active CN209456081U (en) | 2019-01-23 | 2019-01-23 | Rectifying column is used in food-grade carbon-dioxide production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196423A1 (en) * | 2020-04-01 | 2021-10-07 | 厦门理工学院 | Circulating solid co2 cleaning system |
| CN115077202A (en) * | 2022-07-05 | 2022-09-20 | 重庆朗福环保科技有限公司 | Carbon dioxide drying device and liquefaction system thereof |
-
2019
- 2019-01-23 CN CN201920108972.0U patent/CN209456081U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196423A1 (en) * | 2020-04-01 | 2021-10-07 | 厦门理工学院 | Circulating solid co2 cleaning system |
| CN115077202A (en) * | 2022-07-05 | 2022-09-20 | 重庆朗福环保科技有限公司 | Carbon dioxide drying device and liquefaction system thereof |
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