CN204656554U - The cellular activated coke of a kind of gas cleaning - Google Patents
The cellular activated coke of a kind of gas cleaning Download PDFInfo
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- CN204656554U CN204656554U CN201520114639.2U CN201520114639U CN204656554U CN 204656554 U CN204656554 U CN 204656554U CN 201520114639 U CN201520114639 U CN 201520114639U CN 204656554 U CN204656554 U CN 204656554U
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- activated coke
- cellular
- cellular activated
- gas cleaning
- flue gas
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Abstract
The utility model relates to the cellular activated coke of a kind of gas cleaning.Described cellular activated coke active ingredient is activated coke/charcoal, and add other auxiliary additive, described additive comprises binding agent, lubricant, extrusion aid and fiber reinforcement simultaneously.The invention also discloses the preparation method of above-mentioned gas cleaning by cellular activated coke, through batch mixing, the pug with good plasticity is obtained after kneading, activated coke honeycomb ceramics is obtained again through extrusion molding, finally by drying, cellular activated coke is obtained after baking, can be used for the purification process such as boiler flue gas desulfurization and denitration, significantly can reduce the high windage existed in existing activated coke flue gas process, the problem of high power consumption, simultaneously on the basic basis retaining macroscopical specific surface, improve activated coke piling height, reduce the floor space of this technique, the utility model preparation technology is simple, do not relate to pyroprocess, energy consumption is reduced while increasing honeycomb activated coke intensity.
Description
Technical field
The utility model relates to the cellular activated coke of a kind of gas cleaning, particularly relates to flue gas desulfurization, denitration activated coke.
Background technology
While economic develop rapidly, the requirement of various countries to environmental protection also improves day by day, and energy-saving and emission-reduction become the environmental objective that the world today pays close attention to most.The gas cleaning means such as desulphurization and denitration become the Important Action of national environmental protection aspect in recent years, and force boiler flue gas purification process to draw to an end along with Thermal Power Generation Industry, increasing non-thermoelectricity pyroprocess flue gas needs to carry out the process such as desulphurization and denitration, and original traditional desulphurization and denitration technique can not meet the demand in this kind of market, and active coke desulphurizing, denitrating technique show the adaptability to this kind of market gradually.
Active coke desulphurizing, using activated coke as catalyst, make sulfur dioxide in flue gas and water vapour in its surface reaction, generate sulfuric acid at its adsorption, thus realize the process of flue gas desulfurization, the activated coke of being adsorbed saturated sulfuric acid by effects on surface carries out anoxybiotic regeneration, realizes the recycling of activated coke catalyst; Activated coke denitration, refers to activated coke catalyst the most, makes the nitrogen oxide in flue gas and the ammonia gas react adding respective amount, generates nitrogen and water, thus realize the object of low-temperature denitration of flue gas.In current this kind of technique, the activated coke used is graininess (spherical or cylindric), take closely packed mode, activated coke reaction bed can not be piled up too high, it is made to take up an area greatly, and closs packing windage is large, high for overcoming the blower fan power consumption that large windage introduces, be unfavorable for the popularization of this kind of technique.
Utility model content
The purpose of this utility model is to provide the cellular activated coke of a kind of gas cleaning, its technical scheme is: the cellular activated coke of a kind of gas cleaning, it is characterized in that: described cellular activated coke is column, the cross-sectional interior of described column is cellular, and its inside has the exhaust gases passes of some through column axis.
In order to better technique effect, the technical characterstic of the technical solution of the utility model can also be specially following technical characteristic:
1. column cross section described in is rectangle, circle, square or regular hexagon.
2. described in, the shape of some exhaust gases passes is identical with size.
3. the shape of cross section of exhaust gases passes described in is regular hexagon or octagon.
4. the shape of cross section of exhaust gases passes described in is square.
5. the shape of cross section of exhaust gases passes described in is circular.
6. further, described gas cleaning with cellular activated coke by have desulphurization denitration activity activated coke powder, improve intensity promote the additive of cementation and promote that auxiliary material that are shaping and lubrication divide to make, the quality summation of activated coke powder and additive is 100%, and described cellular activated coke comprises following mass fraction composition: wherein activated coke powder is 50 ~ 80%; Additive powder is 20 ~ 50%.
7. further, described additive is made up of glass fibre and clay, and described cellular activated coke comprises following mass fraction composition: the activated coke powder wherein with desulphurization denitration activity is 50 ~ 80%; Glass fibre is 1 ~ 10%; Clay is 10 ~ 50%.
8. further, the cellular activated coke of described gas cleaning also comprises water and lubricant, and the mass fraction of described water is 10 ~ 20ml/100g activated coke; The mass fraction of described lubricant is 0 ~ 10ml/100g activated coke.
9. further, described glass fibre length is preferably 3 ~ 6mm.
10. further, described lubricant is preferably MEA.
11. further, and described clay is potter's clay.
The cellular activated coke of technical solution of the present invention is adopted to have the following advantages:
1. gas cleaning described in is column by cellular activated coke, and the cross-sectional interior of described column is cellular, and its inside has the exhaust gases passes of some through column axis, makes activated coke can ensure the specific surface of macroscopic view.
2. cellular activated coke column body has the exhaust gases passes of some through column axis, can significantly improve flue gas by property, significantly reduce the windage of activated coke reaction bed, improve purification efficiency.
3. adopt column structure, by activated coke powder curing, improve activated coke piling height, reduce the floor space of activated coke flue gas purifying technique, less construction cost.
4. adopt column structure, by activated coke powder curing, can fixed bed be made, be easy to regeneration, reduce collision loss and the flow of powder regeneration losses of the activated coke in purification process, reduce operating cost.
5. gas cleaning described in is column by cellular activated coke, the cross-sectional interior of described column is cellular, its inside has the exhaust gases passes of some through column axis, the windage of remarkable reduction activated coke reaction bed, makes flow of flue gas unobstructed, and making does not need in cleaning system to arrange high-power blower in activated coke front end, reduce system equipment, make flue gas purification system structure simple, reduce equipment cost and energy consumption, and stability and the reliability of system can be improved.
6. reduce high-power blower, airborne dust when flue gas purification system runs can be reduced, reduce environmental pollution, and the loss of activated coke powder can be reduced, reduce system loss, reduce operating cost.
7. adopt the preparation technology of the activated coke of technical solutions of the utility model simple, the preparation of cellular activated coke, regeneration and do not relate to pyroprocess in the application process of fume treatment, while increasing honeycomb activated coke intensity, reduce energy consumption.
Accompanying drawing illustrates:
Fig. 1 is an embodiment schematic diagram of technical solutions of the utility model
Fig. 2 is the cross sectional representation of Fig. 1
In figure, 1 is cellular activity Jiao, and 2 is exhaust gases passes.
Detailed description of the invention:
Embodiment 1:
Below in conjunction with accompanying drawing 1-2, the embodiment of gas cleaning described in the utility model by the technical scheme of cellular activated coke is described in detail.
As shown in Figure 1, gas cleaning described in technical solutions of the utility model is column 1 by cellular activated coke, as shown in Figure 2, the cross section quadrate of described column 1, inner in cellular, its inside has the exhaust gases passes 2 of some through column 1 axis, and the shape of cross section of exhaust gases passes described in the present embodiment is square.
In practical application, described column cross section is rectangle, circle, regular hexagon or other shapes.Preferably, the shape of some exhaust gases passes of described column inside is identical with size.The shape of cross section of described exhaust gases passes is preferably regular hexagon or octagon.The shape of cross section of described exhaust gases passes also can be circular.
Gas cleaning in the present embodiment is the activated coke powder with desulphurization denitration activity by cellular activated coke main active, comprises simultaneously and improves intensity and promote the additive of cementation and promote auxiliary material that are shaping and lubrication.In the quality summation of activated coke and additive for 100%, described cellular activated coke comprises following mass fraction composition: its neutral coke powder end is 50 ~ 80%, and glass fibre is 1 ~ 10%, and clay is 10 ~ 50%.Described glass fibre length is preferably 3 ~ 6mm.
The cellular activated coke of gas cleaning described in technical solutions of the utility model can be applied in the gas cleaning in desulfurization and denitration treatment system, during embody rule, the gas cleaning described in multiple technical solutions of the utility model can be piled up in order with cellular activated coke combination and form exhaust gases passes use.
Form the activated coke made below in conjunction with different proportion scales, the test result in flue gas desulfurization and denitration application, briefly explains the desulfurization of activated coke described in technical solutions of the utility model and the effect of denitration.
Test 1:
1. proportion scale is formed: the active coke powder of 500g and 500g potter's clay, manufacture process adds 80ml water and 10g glass fibre.
2. desulfurization performance testing experiment and the result of the cellular activated coke of fume treatment made according to above-mentioned proportion scale are as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of sulfur dioxide 1500ppm, water vapour percent by volume 10%, oxygen concentration 5%.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording sulfur dioxide removal rate is 85%.
The fume treatment made according to above-mentioned proportion scale with the denitration performance testing experiment of cellular activated coke and result as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of 400ppm nitric oxide, 400ppm ammonia.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording conversion of nitric oxide gas rate is 76%.
Test 2:
1. proportion scale is formed: the active coke powder of 500g and 120g potter's clay, manufacture process adds 50ml water, 50ml MEA and 50g glass fibre.
2. desulfurization performance testing experiment and the result of the cellular activated coke of fume treatment made according to above-mentioned proportion scale are as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of sulfur dioxide 1500ppm, water vapour percent by volume 10%, oxygen concentration 5%.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording sulfur dioxide removal rate is 90%.
The fume treatment made according to above-mentioned proportion scale with the denitration performance testing experiment of cellular activated coke and result as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of 400ppm nitric oxide, 400ppm ammonia.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording conversion of nitric oxide gas rate is 80%.
Test 3:
1. proportion scale is formed: the active coke powder of 500g and 250g potter's clay, manufacture process adds 100ml water and 50g glass fibre.
2. desulfurization performance testing experiment and the result of the cellular activated coke of fume treatment made according to above-mentioned proportion scale are as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of sulfur dioxide 1500ppm, water vapour percent by volume 10%, oxygen concentration 5%.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording sulfur dioxide removal rate is 88%.
The fume treatment made according to above-mentioned proportion scale with the denitration performance testing experiment of cellular activated coke and result as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of 400ppm nitric oxide, 400ppm ammonia.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording conversion of nitric oxide gas rate is 79%.
Test 4:
1. proportion scale is formed: the active coke powder of 500g and 300g potter's clay, manufacture process adds 60ml water, 20ml MEA and 25g glass fibre.
2. desulfurization performance testing experiment and the result of the cellular activated coke of fume treatment made according to above-mentioned proportion scale are as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of sulfur dioxide 1500ppm, water vapour percent by volume 10%, oxygen concentration 5%.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording sulfur dioxide removal rate is 88%.
The fume treatment made according to above-mentioned proportion scale with the denitration performance testing experiment of cellular activated coke and result as follows:
Be that the cellular activated coke of 300mm is placed in smoke modelling reaction unit by length, simulated flue gas consists of 400ppm nitric oxide, 400ppm ammonia.Passed into by flue gas in smoke modelling reaction unit, controlling reaction temperature is 150 DEG C, and air speed is 50h
-1, under this condition, recording conversion of nitric oxide gas rate is 79%.
Above-mentioned test proves, the fume treatment of technical solutions of the utility model is adopted to can be used for the purification process such as boiler flue gas desulfurization and denitration by cellular activated coke, significantly can reduce the problem of the high windage existed in existing activated coke flue gas process, high power consumption, simultaneously on the basic basis retaining macroscopical specific surface, improve activated coke piling height, reduce the floor space of this technique, preparation technology of the present invention is simple, do not relate to pyroprocess, while increasing honeycomb activated coke intensity, reduce energy consumption.
Claims (6)
1. the cellular activated coke of gas cleaning, is characterized in that: described cellular activated coke is column, and the cross-sectional interior of described column is cellular, and its inside has the exhaust gases passes of some through column axis.
2. the cellular activated coke of gas cleaning as claimed in claim 1, is characterized in that: described column cross section is rectangle, circle, square or regular hexagon.
3. the cellular activated coke of gas cleaning as claimed in claim 1, is characterized in that: the shape of described some exhaust gases passes is identical with size.
4. the cellular activated coke of gas cleaning as claimed in claim 1, is characterized in that: the shape of cross section of described exhaust gases passes is regular hexagon or octagon.
5. the cellular activated coke of gas cleaning as claimed in claim 1, is characterized in that: the shape of cross section of described exhaust gases passes is square.
6. the cellular activated coke of gas cleaning as claimed in claim 1, is characterized in that: the shape of cross section of described exhaust gases passes is for circular.
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| CN201520114639.2U CN204656554U (en) | 2015-02-17 | 2015-02-17 | The cellular activated coke of a kind of gas cleaning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984870A (en) * | 2015-02-17 | 2016-10-05 | 福建新大陆环保科技有限公司 | Honeycomb-shaped activated coke for flue gas purification and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984870A (en) * | 2015-02-17 | 2016-10-05 | 福建新大陆环保科技有限公司 | Honeycomb-shaped activated coke for flue gas purification and production method thereof |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20190217 |