CN205461672U - Edible level carbon dioxide fine purifiation tower - Google Patents
Edible level carbon dioxide fine purifiation tower Download PDFInfo
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- CN205461672U CN205461672U CN201620025252.4U CN201620025252U CN205461672U CN 205461672 U CN205461672 U CN 205461672U CN 201620025252 U CN201620025252 U CN 201620025252U CN 205461672 U CN205461672 U CN 205461672U
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Abstract
The utility model belongs to carbon dioxide gas purification field, concretely relates to edible level carbon dioxide fine purifiation tower. This 1 top of fine purifiation shell is equipped with gas outlet 2, 1 bottom outer wall both ends on the shell respectively are equipped with gas feed 15, 1 bottom on the shell is equipped with washing liquid discharge port 16, 1 inside 2 belows of gas outlet on the shell are equipped with demister 3, 3 belows of demister are equipped with second grade fine purifiation unit, second grade fine purifiation unit below is equipped with distributor 9, the one end of distributor 9 is equipped with circulation cleaning liquid import 10, the below of distributor 9 is equipped with to pack adsorbs the unit, the filler adsorbs the unit below and is equipped with one -level fine purifiation unit. The utility model discloses obtain food level carbon dioxide after the fine purifiation tower is handled, and food level carbon dioxide product purity is higher than 99.9%, is reducing by a wide margin the performance index that the energy consumption improves the carbon dioxide product simultaneously.
Description
Technical field
This utility model belongs to carbon dioxide purification art, is specifically related to a kind of food grade carbon dioxide fine purifiation tower.
Background technology
CO2Belong to greenhouse gases.Due to CO2A large amount of discharges of isothermal chamber gas, cause global warming, each fields such as the social economy to countries in the world have a negative impact, the generation of the phenomenons such as it can cause such as shortage of water resources, living environment to deteriorate, economic loss aggravation, sea level rise, heat wave attack increase, human health, by serious threat, is additionally also possible to the aggravation causing species to change.Data according to International Energy Agency (IEA) show, in addition to the impact of economic crisis in 2009, and the CO of discharge of global year over the years2Gas gross all shows a rising trend, CO2Concentration significantly increases, and result in serious greenhouse effect.In order to contain global warming trend, various countries negotiator the most repeatedly gathers, and has successively passed through Kyoto Protocol, " Copenhagen agreement ", it is intended to reduce CO2Discharge, controls the global temperatures rate of climb.China became world CO after 20052Annual emissions the first big country.China is still in high speed development stage, CO at present2Year generation amount will persistently rise.As World Economics power and politics big country, China faces CO2The huge responsibility reduced discharging and pressure.Therefore, control greenhouse gas emission, effectively carry out CO2It is imperative that capture recovery, the research transported and store and industrialization convert, very urgent.
Alcohol Plant of China is with starchiness non-grain crop raw material production edible ethanol mostly, yeast changes into ethanol sugar during the fermentation, the most also produce carbon dioxide, often produce 1 ton of ethanol and can obtain carbon dioxide about 0.96 ton in theory, in alcohol fermentation gas, the concentration of carbon dioxide is higher, can reach 95 more than %, its impurity is alcohols, aldehydes, esters and trace oxygen, is beneficial to produce highly purified food-grade carbon-dioxide.As a example by the Alcohol Plant producing ethanol 100,000 tons per year, its production process can produce carbon dioxide 90,000 tons year.The direct discharge of carbon dioxide not only endangers environment, is the most also a kind of wasting of resources.If able to this partial CO 2 is reclaimed, either protection environment is reduced the discharge of greenhouse gases, or the benefit to enterprise is all highly significant.
How to improve carbon dioxide purity, specifically how remove the alcohol aldehydes minor amount of water solubility impurities such as the methanol in carbon dioxide, ethanol, acetaldehyde, for be refined into the carbon dioxide of food stage whether meet international and national relevant criterion, meet use time purity requirement particularly significant.In prior art, people are also by carbon dioxide carrying out washing to remove alcohol aldehydes water-solubility impurity therein.But owing to not having suitable wash mill, causing clean result poor, detersive efficiency is low, and carbon dioxide purity is low, alcohol aldehydes impurity content is high, and product quality is the most up to standard, and washing procedure, device are complicated, and production cost is high.
Summary of the invention
This utility model is for present situations such as the direct emission hazard environment of carbon dioxide of generation, the wastings of resources in the industry of starchiness non-grain crop production ethanol, especially in carbon dioxide fine purifiation dedoping step, there is clean result poor, detersive efficiency is low, carbon dioxide purity is low, alcohol aldehydes impurity content is high, the problems such as product quality is the most up to standard, it is provided that a kind of washing is washed good, washing step program is simple, the food grade carbon dioxide fine purifiation tower that production cost is low.
Scheme of the present utility model is by being achieved in that: a kind of food grade carbon dioxide fine purifiation tower, this fine purifiation shell 1 top is provided with gas outlet 2, shell 1 bottom outer wall is respectively arranged at the two ends with gas feed 15, cleaning mixture outlet 16 it is provided with bottom shell 1, it is provided with demister 3 below shell 1 inner gas outlet 2, two grades of fine purifiation unit it are provided with below demister 3, it is provided with distributor 9 below two grades of fine purifiation unit, one end of distributor 9 is provided with circulating cleaning solution import 10, the lower section of distributor 9 is provided with filling adsorption unit, is provided with one-level fine purifiation unit below filling adsorption unit；Two grades of described fine purifiation unit include extensible member 4, fresh wash liquid import 5, spray guide head 6, dividing plate 7, fresh wash liquid outlet 8, extensible member 4 is positioned on the airway spraying guide head, for flexible sprinkling guide head, fresh wash liquid import 5 position exports 8 higher than fresh wash liquid, fresh wash liquid exports 8 positions higher than baffle plate 7, baffle plate 7 is tilting, and plays the effect of barrier fresh wash liquid with the airway spraying guide head.
As further restriction of the present utility model, described filling adsorption unit includes hold-down grid 12, packing cavity 13, packing support plate 14, and hold-down grid 12 is positioned at the top of packing cavity 13, and packing support plate 14 is positioned at packing cavity 13 bottom.
As further restriction of the present utility model, described one-level fine purifiation unit includes gas feed 15 and gas diverter 11, and gas feed 15 is connected with gas diverter 11 two ends respectively.
As further restriction of the present utility model, the described disk circulus that gas diverter 11 is hollow, the upper strata of disk circulus is with holes, and lower floor is airtight.
As further restriction of the present utility model, described gas feed 15 is arranged over liquidometer 17.
This utility model possesses following good result: utilize multistage fine purifiation step, it is ensured that gas can be uniformly blended in cleaning mixture, and stops time enough, makes the impurity in gas fully be washed.Use this utility model fine purifiation device to process recovery and obtain food-grade carbon-dioxide, and food-grade carbon-dioxide product purity is higher than 99.9%, remaining all technical all meets food-grade carbon-dioxide standard GB10621-2006, is reducing significantly energy consumption and improve simultaneously the performance indications of carbon dioxide product.
Accompanying drawing explanation
Fig. 1. food grade carbon dioxide fine purifiation tower.Figure identifies: 1: shell, 2: gas outlet, 3: demister, 4: extensible member, 5: fresh wash liquid import, 6: spray guide head, 7: dividing plate, 8: fresh wash liquid exports, 9: distributor, 10: circulating cleaning solution import, 11: gas diverter, 12: hold-down grid, 13: packing cavity, 14: packing support plate, 15: gas feed, 16: cleaning mixture outlet, 17: liquidometer.
Detailed description of the invention
Describing this utility model biofermentation below in conjunction with embodiment and accompanying drawing and discard carbon dioxide recovery purification devices, these descriptions are not to be further limited this utility model content.
Embodiment 1
As shown in Figure 1, this utility model food grade carbon dioxide fine purifiation shell 1 top is provided with gas outlet 2, shell 1 bottom outer wall is respectively arranged at the two ends with gas feed 15, cleaning mixture outlet 16 it is provided with bottom shell 1, it is provided with demister 3 below shell 1 inner gas outlet 2, two grades of fine purifiation unit it are provided with below demister 3, it is provided with distributor 9 below two grades of fine purifiation unit, one end of distributor 9 is provided with circulating cleaning solution import 10, the lower section of distributor 9 is provided with filling adsorption unit, is provided with one-level fine purifiation unit below filling adsorption unit；Two grades of described fine purifiation unit include extensible member 4, fresh wash liquid import 5, spray guide head 6, dividing plate 7, fresh wash liquid outlet 8, extensible member 4 is positioned on the airway spraying guide head, for flexible sprinkling guide head, fresh wash liquid import 5 position exports 8 higher than fresh wash liquid, fresh wash liquid exports 8 positions higher than baffle plate 7, baffle plate 7 is tilting, and plays the effect of barrier fresh wash liquid with the airway spraying guide head.Described filling adsorption unit includes hold-down grid 12, packing cavity 13, packing support plate 14, and hold-down grid 12 is positioned at the top of packing cavity 13, and packing support plate 14 is positioned at packing cavity 13 bottom.Described one-level fine purifiation unit includes gas feed 15 and gas diverter 11, and gas feed 15 is connected with gas diverter 11 two ends respectively.The described disk circulus that gas diverter 11 is hollow, the upper strata of disk circulus is with holes, and lower floor is airtight.Described gas feed 15 is arranged over liquidometer 17.
Application Example 2
The tail gas produced after fermenting with Guangxi large-scale Cassava alcohol fermentation factory is as gas raw material, during use, first gas raw material enters the gas diverter 11 of one-level fine purifiation unit from gas feed 15, pore that gas is provided with from gas diverter 11 upper strata is dispersed to circulating cleaning solution, it is ensured that carbon dioxide is fully stopped in cleaning mixture and washs；Enter back into filling adsorption unit from one-level fine purifiation unit gas out, gas in the filling adsorption unit stage filled absorption fall aldehydes small molecular weight impurity；After filling adsorption unit has washed, gas enters in the distributor 9 of prior populated circulating cleaning solution, finally reach two grades of fine purifiation unit, two grades of fine purifiation unit are owing to being provided with tilting dividing plate 7 so that gas can accelerate the trachea by spraying guide head 6, the height of extensible member 4 adjustable shower nozzle the most as required, shower nozzle is made to go deep in fresh wash liquid, make gas even in fresh wash liquid, and time enough can be stopped, thoroughly remove the impurity in carbon dioxide.Gas after two grades of fine purifiations eventually passes demister 3 and filters off a small amount of liquid pearl, finally by gas outlet 2.
Use this utility model fine purifiation device to process recovery and obtain food-grade carbon-dioxide, and food-grade carbon-dioxide product purity is higher than 99.9%, remaining all technical all meets food-grade carbon-dioxide standard GB10621-2006, is reducing significantly energy consumption and improve simultaneously the performance indications of carbon dioxide product.
This utility model above-described embodiment scheme is only that explanation of the present utility model can not be limited this utility model, claim indicating, this utility model equipment is constituted and connected mode, and the scope of this utility model parameter is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present utility model and scope, is all considered to be and is included within the scope of the claims.
Claims (5)
1. a food grade carbon dioxide fine purifiation tower, this fine purifiation shell (1) top is provided with gas outlet (2), shell (1) bottom outer wall is respectively arranged at the two ends with gas feed (15), shell (1) bottom is provided with cleaning mixture outlet (16), it is characterized in that, shell (1) inner gas outlet (2) lower section is provided with demister (3), demister (3) lower section is provided with two grades of fine purifiation unit, distributor (9) it is provided with below two grades of fine purifiation unit, one end of distributor (9) is provided with circulating cleaning solution import (10), the lower section of distributor (9) is provided with filling adsorption unit, one-level fine purifiation unit it is provided with below filling adsorption unit；Two grades of described fine purifiation unit include extensible member (4), fresh wash liquid import (5), spray guide head (6), dividing plate (7), fresh wash liquid outlet (8), extensible member (4) is positioned on the airway spraying guide head, for flexible sprinkling guide head, fresh wash liquid import (5) position exports (8) higher than fresh wash liquid, fresh wash liquid outlet (8) position is higher than baffle plate (7), baffle plate (7) is tilting, and plays the effect of barrier fresh wash liquid with the airway spraying guide head.
Food grade carbon dioxide fine purifiation tower the most according to claim 1, it is characterized in that, described filling adsorption unit includes hold-down grid (12), packing cavity (13), packing support plate (14), hold-down grid (12) is positioned at the top of packing cavity (13), and packing support plate (14) is positioned at packing cavity (13) bottom.
Food grade carbon dioxide fine purifiation tower the most according to claim 1, it is characterised in that described one-level fine purifiation unit includes gas feed (15) and gas diverter (11), gas feed (15) is connected with gas diverter (11) two ends respectively.
Food grade carbon dioxide fine purifiation tower the most according to claim 3, it is characterised in that the described disk circulus that gas diverter (11) is hollow, the upper strata of disk circulus is with holes, and lower floor is airtight.
Food grade carbon dioxide fine purifiation tower the most according to claim 1, it is characterised in that described gas feed (15) is arranged over liquidometer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025252.4U CN205461672U (en) | 2016-01-12 | 2016-01-12 | Edible level carbon dioxide fine purifiation tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620025252.4U CN205461672U (en) | 2016-01-12 | 2016-01-12 | Edible level carbon dioxide fine purifiation tower |
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| CN205461672U true CN205461672U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413411A (en) * | 2016-01-12 | 2016-03-23 | 广西新天德能源有限公司 | Food-grade carbon dioxide fine washing tower |
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2016
- 2016-01-12 CN CN201620025252.4U patent/CN205461672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413411A (en) * | 2016-01-12 | 2016-03-23 | 广西新天德能源有限公司 | Food-grade carbon dioxide fine washing tower |
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