CN104226083A - Flue gas recovered food grade carbon dioxide recycling system - Google Patents
Flue gas recovered food grade carbon dioxide recycling system Download PDFInfo
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- CN104226083A CN104226083A CN201310224280.XA CN201310224280A CN104226083A CN 104226083 A CN104226083 A CN 104226083A CN 201310224280 A CN201310224280 A CN 201310224280A CN 104226083 A CN104226083 A CN 104226083A
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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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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Abstract
Belonging to the field of carbon dioxide recovery, the invention more specifically relates to the flue gas recovered food grade carbon dioxide recycling system field. The flue gas recovered food grade carbon dioxide recycling system includes a recovery system, which comprises a suction device and an absorption device arranged behind the suction device. The absorption device includes a washing tower connected to the suction device, the rear of the washing tower is connected to an absorption tower, the absorption tower is connected to a heat exchanger and an exhaust gas recovery device, the heat exchanger is connected to an analytic tower, the analytic tower is connected to a washing tower 2 and an MRA solution circulating device, and the washing tower 2 is connected to a liquefaction system. The flue gas recovered food grade carbon dioxide recycling system adopting the technical scheme involved in the invention can recover part of carbon dioxide in industrial flue gas and converts the recovered carbon dioxide into food standard available carbon dioxide, like making of carbonated drinks and the like, thus realizing recycling of carbon dioxide and avoiding pollution of the environment.
Description
Technical field
The invention belongs to carbon dioxide recovery field, relate to a kind of off-gas recovery food-grade carbon-dioxide reutilization system field in particular.
Technical background
Along with many production and processing industries such as chemical industry, cement, steel-making are greatly developed, every day, discharging waste gas amount was also in continuous increase, global warming now causes certain threat to human survival, carbon dioxide in recycling industrial waste gas is a kind of important channel administering industrial waste gas pollution, and carbon dioxide is to human lives and produces all unhelpful gas, so being carried out by carbon dioxide transforming with other substance reactions is be recovered in a kind of important channel utilizing carbon dioxide.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of can reclaim the flue gas of industrial combustion middle carbon dioxide and be translated into the carbon dioxide recovery reutilization system meeting food standard and use.
For solving the problems of the technologies described above, the invention provides a kind of off-gas recovery food-grade carbon-dioxide reutilization system, comprise recovery system, recovery system comprises suction apparatus and is arranged at the absorption plant at suction apparatus rear portion, absorption plant comprises the scrubbing tower be connected with suction apparatus, scrubbing tower rear portion is connected with absorption tower, absorption tower is connected with heat exchanger and waste gas recovering device, heat exchanger is connected with Analytic Tower, Analytic Tower is connected with scrubbing tower two and MRA solution circulating device, scrubbing tower two is connected with liquefaction system.
Preferably, suction apparatus is blower fan.
Preferably, absorption tower comprises first grade absorption tower and two-level absorption tower.
Preferably, first grade absorption tower is connected with scrubbing tower, and two-level absorption tower is arranged at first grade absorption tower rear portion.
Preferably, rich solution pump is provided with between heat exchanger and absorption tower.
Preferably, cooler is provided with between Analytic Tower and scrubbing tower two.
Preferably, MRA solution circulating device comprises the lean pump be connected on Analytic Tower, described lean pump is connected with cooler two, and described cooler two is connected with two-level absorption tower.
Preferably, MRA solution circulating device also comprises the rich solution pump two be arranged between first grade absorption tower and two-level absorption tower.
Preferably, waste gas recovering device comprises the potassium permanganate tank be connected on two-level absorption tower, and described potassium permanganate tank rear portion is connected with water scrubber, and described water scrubber rear portion is connected with active carbon tourie.
The beneficial effect of employing technique scheme is: a kind of off-gas recovery food-grade carbon-dioxide reutilization system, comprise recovery system, recovery system comprises suction apparatus and is arranged at the absorption plant at suction apparatus rear portion, realize automatically the flue gas after burning being drawn into recycling system, absorption plant comprises the scrubbing tower be connected with suction apparatus, scrubbing tower realizes washing the flue gas of some the incorporated water in flue gas and absorbing, scrubbing tower rear portion is connected with absorption tower, MEA solution is had in absorption tower, in absorption tower, MEA solution absorbs the carbon dioxide in flue gas, absorption tower is connected with heat exchanger and waste gas recovering device, heat exchanger is connected with Analytic Tower, the saturated MEA solution absorbing carbon dioxide enters into heat exchanger, saturated MEA solution is by entering into Analytic Tower after heat exchanger preheating, absorbed carbon dioxide is not had to enter to waste gas recovering device together with other waste gas, Analytic Tower is connected with scrubbing tower two and MRA solution circulating device, saturated MEA solution is resolved in Analytic Tower inside, discharge carbon dioxide, carbon dioxide enters into scrubbing tower two, discharge the MEA solution after carbon dioxide and enter into MRA solution circulating device continuation use, scrubbing tower two is connected with liquefaction system, carbon dioxide through scrubbing tower two enters next step liquefaction, generate edible carbon dioxide, realize the carbon dioxide recovery recycling in industrial smoke.
The beneficial effect of technique scheme is adopted to also have: suction apparatus is blower fan, blower fan adopts roots blower, absorption tower comprises first grade absorption tower and two-level absorption tower, first grade absorption tower is connected with scrubbing tower, two-level absorption tower is arranged at first grade absorption tower rear portion, through twice absorption, make MEA solution can abundant absorbing carbon dioxide, cooler is provided with between Analytic Tower and scrubbing tower two, the saturated MEA solution absorbing carbon dioxide is resolved in Analytic Tower inside after heat exchanger heating, release of carbonate dioxide out, carbon emissions carbon dioxide out enters after cooling to enter into scrubbing tower two through subcooler, MRA solution circulating device comprises the lean pump be connected on Analytic Tower, described lean pump is connected with cooler two, described cooler two is connected with two-level absorption tower, MRA solution circulating device also comprises the rich solution pump two be arranged between first grade absorption tower and two-level absorption tower, discharge the MRA solution after carbon dioxide through supercooling laggard enter to two-level absorption tower, first grade absorption tower absorbing carbon dioxide is again entered into through rich solution pump two after absorbing carbon dioxide, waste gas recovering device comprises the potassium permanganate tank be connected on two-level absorption tower, described potassium permanganate tank rear portion is connected with water scrubber, described water scrubber rear portion is connected with active carbon tourie, flue gas remaining carbon dioxide after first grade absorption tower absorbs with two-level absorption tower enters potassium permanganate tank together with other waste gas, potassium permanganate enters into water scrubber by waste gas absorption water-soluble for energy after being oxidized some waste gas, after waste gas is entered into active carbon tourie, absorb, realize the recovery to waste gas, avoid atmosphere pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of off-gas recovery food-grade carbon-dioxide of the present invention reutilization system,
Detailed description of the invention
Below in conjunction with Figure of description, technical scheme of the present invention and structure are described by the line, so that those skilled in the art understand.
As shown in Figure 1, a kind of off-gas recovery food-grade carbon-dioxide reutilization system, comprise recovery system, recovery system comprises suction apparatus and is arranged at the absorption plant at suction apparatus rear portion, absorption plant comprises the scrubbing tower be connected with suction apparatus, scrubbing tower rear portion is connected with absorption tower, absorption tower is connected with heat exchanger and waste gas recovering device, heat exchanger is connected with Analytic Tower, Analytic Tower is connected with scrubbing tower two and MRA solution circulating device, scrubbing tower two is connected with liquefaction system, suction apparatus is blower fan, absorption tower comprises first grade absorption tower and two-level absorption tower, first grade absorption tower is connected with scrubbing tower, two-level absorption tower is arranged at first grade absorption tower rear portion, rich solution pump is provided with between heat exchanger and absorption tower, cooler is provided with between Analytic Tower and scrubbing tower two, MRA solution circulating device comprises the lean pump be connected on Analytic Tower, described lean pump is connected with cooler two, described cooler two is connected with two-level absorption tower, MRA solution circulating device also comprises the rich solution pump two be arranged between first grade absorption tower and two-level absorption tower, waste gas recovering device comprises the potassium permanganate tank be connected on two-level absorption tower, described potassium permanganate tank rear portion is connected with water scrubber, described water scrubber rear portion is connected with active carbon tourie.
The beneficial effect of employing technique scheme is: a kind of off-gas recovery food-grade carbon-dioxide reutilization system, comprise recovery system, recovery system comprises suction apparatus and is arranged at the absorption plant at suction apparatus rear portion, realize automatically the flue gas after burning being drawn into recycling system, absorption plant comprises the scrubbing tower be connected with suction apparatus, scrubbing tower realizes washing the flue gas of some the incorporated water in flue gas and absorbing, scrubbing tower rear portion is connected with absorption tower, MEA solution is had in absorption tower, in absorption tower, MEA solution absorbs the carbon dioxide in flue gas, absorption tower is connected with heat exchanger and waste gas recovering device, heat exchanger is connected with Analytic Tower, the saturated MEA solution absorbing carbon dioxide enters into heat exchanger, saturated MEA solution is by entering into Analytic Tower after heat exchanger preheating, absorbed carbon dioxide is not had to enter to waste gas recovering device together with other waste gas, Analytic Tower is connected with scrubbing tower two and MRA solution circulating device, saturated MEA solution is resolved in Analytic Tower inside, discharge carbon dioxide, carbon dioxide enters into scrubbing tower two, discharge the MEA solution after carbon dioxide and enter into MRA solution circulating device continuation use, scrubbing tower two is connected with liquefaction system, carbon dioxide through scrubbing tower two enters next step liquefaction, generate edible carbon dioxide, realize the carbon dioxide recovery recycling in industrial smoke.
The beneficial effect of technique scheme is adopted to also have: suction apparatus is blower fan, blower fan adopts roots blower, absorption tower comprises first grade absorption tower and two-level absorption tower, first grade absorption tower is connected with scrubbing tower, two-level absorption tower is arranged at first grade absorption tower rear portion, through twice absorption, make MEA solution can abundant absorbing carbon dioxide, cooler is provided with between Analytic Tower and scrubbing tower two, the saturated MEA solution absorbing carbon dioxide is resolved in Analytic Tower inside after heat exchanger heating, release of carbonate dioxide out, carbon emissions carbon dioxide out enters after cooling to enter into scrubbing tower two through subcooler, MRA solution circulating device comprises the lean pump be connected on Analytic Tower, described lean pump is connected with cooler two, described cooler two is connected with two-level absorption tower, MRA solution circulating device also comprises the rich solution pump two be arranged between first grade absorption tower and two-level absorption tower, discharge the MRA solution after carbon dioxide through supercooling laggard enter to two-level absorption tower, first grade absorption tower absorbing carbon dioxide is again entered into through rich solution pump two after absorbing carbon dioxide, waste gas recovering device comprises the potassium permanganate tank be connected on two-level absorption tower, described potassium permanganate tank rear portion is connected with water scrubber, described water scrubber rear portion is connected with active carbon tourie, flue gas remaining carbon dioxide after first grade absorption tower absorbs with two-level absorption tower enters potassium permanganate tank together with other waste gas, potassium permanganate enters into water scrubber by waste gas absorption water-soluble for energy after being oxidized some waste gas, after waste gas is entered into active carbon tourie, absorb, realize the recovery to waste gas, avoid atmosphere pollution.
Adopt a kind of off-gas recovery food-grade carbon-dioxide reutilization system of technical solution of the present invention, can realize a part of carbon dioxide recovery in industrial smoke and change into food standard can carbon dioxide, as manufactured soda etc., realize the recycling of carbon dioxide, avoid the pollution to environment.
Above-mentionedly by reference to the accompanying drawings invention to be exemplarily described; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed this insubstantial that method of the present invention is conceived and technical scheme is carried out to improve; or the design of invention and technical scheme directly applied to other occasions, all within protection scope of the present invention without to improve.
Claims (9)
1. an off-gas recovery food-grade carbon-dioxide reutilization system, comprise recovery system, it is characterized in that: described recovery system comprises suction apparatus and is arranged at the absorption plant at suction apparatus rear portion, described absorption plant comprises the scrubbing tower be connected with suction apparatus, described scrubbing tower rear portion is connected with absorption tower, described absorption tower is connected with heat exchanger and waste gas recovering device, described heat exchanger is connected with Analytic Tower, described Analytic Tower is connected with scrubbing tower two and MRA solution circulating device, described scrubbing tower two is connected with liquefaction system.
2. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 1, is characterized in that: described suction apparatus is blower fan.
3. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 1, is characterized in that: described absorption tower comprises first grade absorption tower and two-level absorption tower.
4. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 3, it is characterized in that: described first grade absorption tower is connected with scrubbing tower, two-level absorption tower is arranged at first grade absorption tower rear portion.
5. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 1, is characterized in that: be provided with rich solution pump between described heat exchanger and absorption tower.
6. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 1, is characterized in that: be provided with cooler between described Analytic Tower and scrubbing tower two.
7. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 1, it is characterized in that: described MRA solution circulating device comprises the lean pump be connected on Analytic Tower, described lean pump is connected with cooler two, described cooler two is connected with two-level absorption tower.
8. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 7, is characterized in that: described MRA solution circulating device also comprises the rich solution pump two be arranged between first grade absorption tower and two-level absorption tower.
9. a kind of off-gas recovery food-grade carbon-dioxide reutilization system according to claim 1, it is characterized in that: described waste gas recovering device comprises the potassium permanganate tank be connected on two-level absorption tower, described potassium permanganate tank rear portion is connected with water scrubber, and described water scrubber rear portion is connected with active carbon tourie.
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CN201310224280.XA CN104226083A (en) | 2013-06-07 | 2013-06-07 | Flue gas recovered food grade carbon dioxide recycling system |
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CN201310224280.XA CN104226083A (en) | 2013-06-07 | 2013-06-07 | Flue gas recovered food grade carbon dioxide recycling system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109632416A (en) * | 2018-12-18 | 2019-04-16 | 安徽海螺集团有限责任公司 | Collecting carbonic anhydride purification devices food-grade finished product prepares detection system |
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CN101040674A (en) * | 2007-04-29 | 2007-09-26 | 湖南凯美特气体有限公司 | Method for producing food level liquid carbon dioxide product |
CN101077775A (en) * | 2007-06-05 | 2007-11-28 | 浙江大学 | Method for reclaiming carbon dioxide from tail gas of calcium phosphate salt producing process |
CN101177267A (en) * | 2007-10-31 | 2008-05-14 | 武汉凯迪电力环保有限公司 | Method for preparing food-grade carbon-dioxide by using power station smoke gas and system thereof |
CN201138116Y (en) * | 2007-11-29 | 2008-10-22 | 武汉凯迪电力环保有限公司 | System for preparing food-grade carbon-dioxide by using power station smoke gas |
JP2012087722A (en) * | 2010-10-21 | 2012-05-10 | Toshiba Corp | Carbon dioxide recovery method, and carbon dioxide recovery type steam power generation system |
CN102671510A (en) * | 2011-11-29 | 2012-09-19 | 中国石油化工股份有限公司 | Recovery process of flue gas CO2 |
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CN1872679A (en) * | 2006-06-05 | 2006-12-06 | 内蒙古蒙西纳米材料有限责任公司 | Method for preparing liquid carbon dioxide in foodstuff level by using tail gas of cement kiln |
CN101040674A (en) * | 2007-04-29 | 2007-09-26 | 湖南凯美特气体有限公司 | Method for producing food level liquid carbon dioxide product |
CN101077775A (en) * | 2007-06-05 | 2007-11-28 | 浙江大学 | Method for reclaiming carbon dioxide from tail gas of calcium phosphate salt producing process |
CN101177267A (en) * | 2007-10-31 | 2008-05-14 | 武汉凯迪电力环保有限公司 | Method for preparing food-grade carbon-dioxide by using power station smoke gas and system thereof |
CN201138116Y (en) * | 2007-11-29 | 2008-10-22 | 武汉凯迪电力环保有限公司 | System for preparing food-grade carbon-dioxide by using power station smoke gas |
JP2012087722A (en) * | 2010-10-21 | 2012-05-10 | Toshiba Corp | Carbon dioxide recovery method, and carbon dioxide recovery type steam power generation system |
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CN109632416A (en) * | 2018-12-18 | 2019-04-16 | 安徽海螺集团有限责任公司 | Collecting carbonic anhydride purification devices food-grade finished product prepares detection system |
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Application publication date: 20141224 |