CN109731438A - A kind of CO in white wine sludge recycling cement kiln flue gas2Method and system - Google Patents
A kind of CO in white wine sludge recycling cement kiln flue gas2Method and system Download PDFInfo
- Publication number
- CN109731438A CN109731438A CN201910223885.4A CN201910223885A CN109731438A CN 109731438 A CN109731438 A CN 109731438A CN 201910223885 A CN201910223885 A CN 201910223885A CN 109731438 A CN109731438 A CN 109731438A
- Authority
- CN
- China
- Prior art keywords
- white wine
- flue gas
- cement kiln
- organic
- wine sludge
- 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.)
- Granted
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 67
- 235000020097 white wine Nutrition 0.000 title claims abstract description 60
- 239000004568 cement Substances 0.000 title claims abstract description 53
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 239000003546 flue gas Substances 0.000 claims abstract description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000010808 liquid waste Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 23
- 238000003795 desorption Methods 0.000 claims abstract description 20
- 150000001298 alcohols Chemical class 0.000 claims abstract description 11
- 150000002148 esters Chemical class 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims description 14
- 150000007524 organic acids Chemical class 0.000 claims description 10
- 238000009825 accumulation Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002253 acid Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 31
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 7
- 229960004424 carbon dioxide Drugs 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 235000014101 wine Nutrition 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000011514 vinification Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Present invention firstly provides a kind of with CO in white wine sludge recycling cement kiln flue gas2Method and system, this method comprises the following steps: step 1: first by white wine sludge be put into desorption container in, then by cement kiln exit gas be passed into desorption container in, extract 30~60min, generate organic mixed flue gas；Step 2: organic mixed flue gas is condensed, the CO in condensation process in organic mixed flue gas2It is dissolved in organic liquid waste；Step 3: CO will be dissolved with2Organic liquid waste heated to isolate CO therein2And it collects.Present invention process is simple, applied widely, for the CO in cement kiln exit gas2Organic acid, esters, the alcohols that has stronger recycling ability and higher recovery efficiency, while can be desorbed in white wine sludge are realized with dirty pollution treatment；In addition CO of the present invention2Cost recovery is low, with good economic efficiency and environmental benefit.
Description
Technical field
The present invention relates to CO in cement kiln flue gas2Recovery technology field, especially it is a kind of with white wine sludge recycle cement
CO in kiln flue gas2Method and system.
Background technique
Cement industry is basic industry important in national economy, belongs to the energy, resource-intensive industry, consumption of coal
Radix is big and CO2Discharge rich and influential family；China's cement output continuously ranks first in the world in the late three decades, CO2It is higher to discharge intensity；
CO2Belong to greenhouse gases, run up to it is a certain amount of after atmospheric environment can be impacted, cause global warming, therefore CO2Emission reduction is
One important content of environment protection.
For the carbon dioxide of cement producing line is discharged, using carbon capture and to seal (CCS) up for safekeeping be a kind of new carbon dioxide
Recycling and emission-reduction technology, can be collected and be compressed into liquid before carbon dioxide is discharged into atmosphere using this technology,
And by pipeline, by its permanent envelope, there are ground end depths；Or it is used as industrial carbon dioxide or food with two by purification
Carbonoxide.However, the CO2 emission of cement industry occurs mainly in fuel combustion and decomposition of limestone calcination process, it is right
Capture in them is also required to special, inexpensive, efficient carbon capture technology.
Wine brewing sludge is after the waste water generated in wine-making technology production reaches discharge standard after processing, after moisture is discharged
Remaining waste.The processing of brewing wastewater is handled there is no scale is formed, also fewer to the report and research of wine brewing sludge,
Research focuses primarily upon the research to Beer Sludge and white wine sludge.
White wine sludge is in neutrality substantially compared with municipal sludge, and moisture content is similar, since the raw material of brewed spirit is with farming
Based on object grain, so its sludge content of organic matter is higher, while the amount of the noxious materials such as heavy metal is extremely low, resource utilization
Feasibility and value are higher.In addition, white wine sludge is rich in organic acid, esters, alcohols etc., these substances are difficult to degrade, and are pollutions
The main inducing of environment.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of with CO in white wine sludge recycling cement kiln flue gas2
Method and system, realize the efficient capture to titanium dioxide in cement kiln flue gas and collect, while also solving white wine sludge
Existing pollution problem.
The technical solution adopted by the present invention to solve the technical problems is:
Present invention firstly provides a kind of with CO in white wine sludge recycling cement kiln flue gas2Method, include the following steps:
White wine sludge: being first put into desorption container, cement kiln exit gas be then passed into desorption container by step 1,
30~60min is extracted, so that the organic matters such as organic acid, alcohols, esters in white wine sludge carry out thermal desorption, is generated organic
Mixed flue gas；
Step 2: organic mixed flue gas is condensed, the CO in condensation process in organic mixed flue gas2It is dissolved in
In organic liquid waste, CO is removed2Clean flue gas afterwards enters the discharge of kiln tail chimney；
Step 3: CO will be dissolved with2Organic liquid waste heated to isolate CO therein2, while will isolate
CO2It is collected by accumulation vessel, removes CO2Organic liquid waste carry out associated safety disposition again.
Preferably, the temperature of cement kiln exit gas described in step 1 is 70~180 DEG C.
Preferably, the moisture content of white wine sludge described in step 1 is 60~90%.
Preferably, the temperature range of condensation described in step 2 is 0~40 DEG C.
Preferably, the temperature range of heating described in step 3 is 41~70 DEG C.
The present invention also provides a kind of with CO in white wine sludge recycling cement kiln flue gas2System, including cement kiln end bag receive
Dirt device, kiln tail chimney, further include CO2Container, condenser, heater is desorbed in accumulation vessel, white wine sludge；The white wine sludge is de-
Attached container is equipped with the import of white wine sludge, cement kiln end gas inlet, organic mixed flue gas outlet；The condenser has
The import of machine mixed flue gas, clean flue gas outlet, CO2Organic liquid waste outlet；The heater is equipped with CO2Organic liquid waste import, CO2
Outlet, organic liquid waste outlet；Cement kiln end on the outlet connection white wine sludge desorption container of the cement kiln end bag collector
Organic mixed flue gas import of organic mixed flue gas outlet connection condenser of container, condensation is desorbed in gas inlet, white wine sludge
The clean flue gas outlet of device connects the kiln tail chimney, the CO of condenser2The CO of organic liquid waste outlet connection heater2Organic waste
Liquid import, the CO of heater2Outlet connection CO2Accumulation vessel.
Preferably, the condenser is water cooled condenser, Air-cooled Condenser or evaporative condenser.
Preferably, the heater is infrared heater or resistance heater.
The positive effect of the present invention: the present invention utilizes organic acid, the ester in cement kiln tail hot fume desorption white wine sludge
Class, alcohols, while utilizing the CO in the organic acid of desorption, esters, alcohols solution absorption kiln tail hot fume2, in recycling CO2It is same
When, white wine being stabilized of sludge achievees the purpose that with dirty pollution treatment.Present invention process is simple, applied widely, for cement kiln
CO in kiln exit gas2There are stronger recycling ability and higher recovery efficiency, in recycling cement kiln kiln exit gas CO2While,
Organic acid, esters, alcohols in desorption white wine sludge, are realized with dirty pollution treatment；In addition CO of the present invention2Cost recovery is low, has good
Good economic benefit and environmental benefit.
Detailed description of the invention
Fig. 1 is described in the embodiment of the present invention with CO in white wine sludge recycling cement kiln flue gas2System structural schematic diagram.
In figure, 1, kiln tail bag collector；2, kiln tail chimney；3,CO2Accumulation vessel；4, container is desorbed in white wine sludge；5, cold
Condenser；6, heater.
Specific embodiment
With reference to the accompanying drawing to a preferred embodiment of the present invention will be described in detail.
Referring to Fig.1, the preferred embodiment of the present invention provides a kind of CO in white wine sludge recycling cement kiln flue gas2Method,
The method dissolves and absorbs the CO in cement kiln exit gas using organic acid, esters, the alcohols in white wine sludge2, make kiln tail cigarette
CO in gas2It is recycled, while making sludge being stabilized itself, the specific steps are as follows:
Step 1: first white wine sludge is put into white wine sludge desorption container, is then passed into cement kiln exit gas
It fills in the white wine sludge desorption container of white wine sludge and is allowed to come into full contact with white wine sludge, extract 30~60min, so that
The organic matters such as organic acid, alcohols, esters in white wine sludge carry out thermal desorption, generate organic mixed flue gas, this is white in the process
The organic matters such as organic acid, alcohols, esters in wine sludge contact desorption with cement kiln end hot fume and are removed, white wine sludge
Being stabilized；Wherein, the temperature of the cement kiln exit gas is 70~180 DEG C, and the moisture content of the white wine sludge is 60
~90%；
Step 2: organic mixed flue gas is condensed at 0~40 DEG C, in condensation process in organic mixed flue gas
CO2It is dissolved in organic liquid waste, removes CO2Clean flue gas afterwards enters the discharge of kiln tail chimney；
Step 3: CO will be dissolved with2Organic liquid waste heated at 41~70 DEG C to isolate CO therein2, simultaneously
The CO that will be isolated2It is collected by accumulation vessel, removes CO2Organic liquid waste carry out associated safety disposition again.
Referring to Fig.1, the present embodiment also provides a kind of CO in white wine sludge recycling cement kiln flue gas2System, including water
Stall tail bag collector 1, kiln tail chimney 2, further include CO2Container 4, condenser 5, heater is desorbed in accumulation vessel 3, white wine sludge
6；The white wine sludge desorption container 4 is equipped with the import of white wine sludge, cement kiln end gas inlet, organic mixed flue gas outlet；
The condenser 5 is equipped with organic mixed flue gas import, clean flue gas outlet, CO2Organic liquid waste outlet；The heater 6 is set
There is CO2Organic liquid waste import, CO2Outlet, organic liquid waste outlet；The outlet of the cement kiln end bag collector 1 connects white wine sludge
The cement kiln end gas inlet on container 4 is desorbed, organic mixed flue gas outlet that container 4 is desorbed in white wine sludge connects condenser 5
Organic mixed flue gas import, the clean flue gas outlet of condenser 5 connects the kiln tail chimney 2, the CO of condenser 52Organic waste
The CO of liquid outlet connection heater 62Organic liquid waste import, the CO of heater 62Outlet connection CO2Collection vessel.
Wherein, the condenser has no special limitation, as long as organic mixed flue gas can be made to condense at 0~40 DEG C of temperature
For organic liquid waste, such as the cold of the forms such as water cooled condenser, Air-cooled Condenser, evaporative condenser can be used
Condenser.
Further, the heater is not particularly limited, as long as can make CO2Organic liquid waste is in temperature 41~70
DEG C be precipitated CO2, such as the heater of the forms such as infrared heater, resistance heater can be used.
To sum up, the present invention provides CO in a kind of easy to operate, efficient cement kiln flue gas of operation2Recovery method and it is
System, this method is applied widely, for the CO in cement kiln exit gas2There are stronger recycling ability and higher recycling effect
Rate, technology cost performance are better than other cement kiln exit gas CO2Recovery technology.This method is in recycling cement kiln kiln exit gas
CO2While organic matters, the i.e. present invention such as organic acid, esters, alcohols can also can effectively reduce kiln in attached desorption white wine sludge
CO in exit gas2Concentration, achieve the purpose that cement kiln exit gas realize carbon emission reduction, white wine sludge can in addition be also able to surely
Fixedization.
It is above-described to be merely a preferred embodiment of the present invention, it should be understood that the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention, it is not intended to limit the scope of protection of the present invention, it is all of the invention
Any modification for being made within thought and principle, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of CO in white wine sludge recycling cement kiln flue gas2Method, which comprises the steps of:
White wine sludge: being first put into desorption container by step 1, then cement kiln exit gas is passed into desorption container, leaching
30~60min is mentioned, so that the organic matters such as organic acid, alcohols, esters in white wine sludge carry out thermal desorption, is generated organic mixed
Close flue gas；
Step 2: organic mixed flue gas is condensed, the CO in condensation process in organic mixed flue gas2It is dissolved in organic
In waste liquid, CO is removed2Clean flue gas afterwards enters the discharge of kiln tail chimney；
Step 3: CO will be dissolved with2Organic liquid waste heated to isolate CO therein2, while the CO that will be isolated2It is logical
It crosses accumulation vessel to be collected, removes CO2Organic liquid waste carry out associated safety disposition again.
2. a kind of CO in white wine sludge recycling cement kiln flue gas according to claim 12Method, it is characterised in that: step
The temperature of cement kiln exit gas described in rapid one is 70~180 DEG C.
3. a kind of CO in white wine sludge recycling cement kiln flue gas according to claim 12Method, it is characterised in that: step
The moisture content of white wine sludge described in rapid one is 60~90%.
4. a kind of CO in white wine sludge recycling cement kiln flue gas according to claim 1 or 2 or 32Method, feature
Be: the temperature range of condensation described in step 2 is 0~40 DEG C.
5. a kind of CO in white wine sludge recycling cement kiln flue gas according to claim 1 or 2 or 32Method, feature
Be: the temperature range of heating described in step 3 is 41~70 DEG C.
6. a kind of CO in white wine sludge recycling cement kiln flue gas2System, including cement kiln end bag collector, kiln tail chimney,
It is characterized in that: further including CO2Container, condenser, heater is desorbed in accumulation vessel, white wine sludge；The white wine sludge desorption holds
Device is equipped with the import of white wine sludge, cement kiln end gas inlet, organic mixed flue gas outlet；The condenser is equipped with organic mixed
Close gas inlet, clean flue gas outlet, CO2Organic liquid waste outlet；The heater is equipped with CO2Organic liquid waste import, CO2Outlet,
Organic liquid waste outlet；The cement kiln end bag collector outlet connection white wine sludge desorption container on cement kiln end flue gas into
Mouthful, white wine sludge be desorbed container organic mixed flue gas outlet connection condenser organic mixed flue gas import, condenser it is clean
Neat stress outlet connects the kiln tail chimney, the CO of condenser2The CO of organic liquid waste outlet connection heater2Organic liquid waste import,
The CO of heater2Outlet connection CO2Accumulation vessel.
7. a kind of CO in white wine sludge recycling cement kiln flue gas according to claim 62System, it is characterised in that: institute
Stating condenser is water cooled condenser, Air-cooled Condenser or evaporative condenser.
8. a kind of CO in white wine sludge recycling cement kiln flue gas according to claim 62System, it is characterised in that: institute
Stating heater is infrared heater or resistance heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223885.4A CN109731438B (en) | 2019-03-22 | 2019-03-22 | Recovery of CO in cement kiln flue gas by white spirit sludge 2 Method and system of (2) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223885.4A CN109731438B (en) | 2019-03-22 | 2019-03-22 | Recovery of CO in cement kiln flue gas by white spirit sludge 2 Method and system of (2) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109731438A true CN109731438A (en) | 2019-05-10 |
| CN109731438B CN109731438B (en) | 2024-02-20 |
Family
ID=66371196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910223885.4A Active CN109731438B (en) | 2019-03-22 | 2019-03-22 | Recovery of CO in cement kiln flue gas by white spirit sludge 2 Method and system of (2) |
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| Country | Link |
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| CN (1) | CN109731438B (en) |
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|---|---|---|---|---|
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| CN109731438B (en) | 2024-02-20 |
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