CN109735359A - Inhibit the preparation of potassium base composite assistant and application of the loss of domestic coke combustion fumes - Google Patents
Inhibit the preparation of potassium base composite assistant and application of the loss of domestic coke combustion fumes Download PDFInfo
- Publication number
- CN109735359A CN109735359A CN201910067689.2A CN201910067689A CN109735359A CN 109735359 A CN109735359 A CN 109735359A CN 201910067689 A CN201910067689 A CN 201910067689A CN 109735359 A CN109735359 A CN 109735359A
- Authority
- CN
- China
- Prior art keywords
- base composite
- composite assistant
- potassium base
- coke
- coal
- 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.)
- Pending
Links
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
A kind of potassium base composite assistant preparation inhibiting the loss of domestic coke combustion fumes, the preparation is to be crushed the kaolin after drying, silica and potassium feldspar, is stirred for being uniformly mixed in proportion, then calcine through dry grinding, it is cooled to room temperature, obtains potassium base composite assistant；Potassium base composite assistant is added in mixed coal in the ratio of potassium base composite assistant and mixed coal and is made firm by ramming, is heated in gas retort, quenching cools down after coming out of the stove, and obtains the civilian clean coke containing potassium base composite assistant.The present invention is added directly in mixed coal using potassium base composite assistant, civilian clean coke is made by high-temperature retorting, it is suppressed that flue dust loss when domestic coke burns improves environment, air has been purified, the operability and applicability of civilian clean coke are significantly improved.
Description
Technical field
The present invention relates to a kind of preparation methods of the composite assistant of coke combustion fumes loss, especially prepare it is civilian clean
Dust suppression composite assistant is introduced in the coal blending process of net coke, promotes civilian clean coke burning, reduces the formation of carbon black, make floating dust
Become depositing dust, to reduce a kind of system of potassium base composite assistant for inhibiting civilian clean coke combustion fumes loss of smoke contamination
Preparation Method.
Background technique
The important feature of haze weather is the Particulate Pollution of high concentration, the pollutants such as coal-fired, motor vehicle and industrial production
Discharge be to cause the major reason of haze weather, especially coal burning proportion is up to 70%, in coal combustion process,
Due to carbon and hydrocarbon combustion not exclusively and the incombustible that is formed in carbon black and coal is largely mingled in high-temperature flue gas,
These incombustible partial melting by high temperature action, simultaneously because the effect of its surface tension, forms a large amount of tiny spherical shapes
Particle is the main reason for coal combustion generates flue dust, and flue dust presses its particle size, is divided into depositing dust and grain that partial size is greater than 10 microns
Floating dust of the diameter less than 10 microns endangers especially serious since floating dust floats in an atmosphere for a long time.
Rural household fire coal environmental pollution can not be ignored, and according to initial estimate, the 1 ton high volatilization of the every burning of northern country is former
Coal, it will the carbon dioxide of discharge 2.5 tons or more, carbon emission coefficient are that 0.67,150 kilogram or more other stain object, carbon oxygen
Rate 0.85；Civilian scattered burning coal consumption in 2014 is 1.6 hundred million tons, only accounts for the 3.8% of national coal consumption, is with sulfur dioxide (SO2) emissions
Example, power plant, China annual emissions are 2,000,000 tons, and it is 1.6 times of power plant emission total amount, furthermore that civilian scattered burning, which is then up to 3,200,000 tons,
A series of problems, such as smoke contamination of civilian scattered burning coal, nitrogen oxides pollution and cinder pollution to the destruction of ecological environment more
Inestimable, however, influenced by factors such as region, economy and culture, solve it is very difficult, to fundamentally solve
The certainly pollution that caused by coal burning problem of rural area and samll cities and towns provides high-quality, low price for these areas, clean alternative fuel is when business
It is anxious.
Civilian cleaning coke is that is, based on thermal coal, and to be aided with a small amount of coking coal, sulphur-fixing agent, carburant, combustion-supporting with bunker coal
Agent and slag former etc. have blocking using existing coke-oven plant's production equipment by cleaning solid fuel obtained by high-temperature retorting
Good, moderate strength, low volatilization, low emission sulphur, low flue dust and the advantages that be not easy slagging, without desulfurization equipment, tail gas can meet
National emission standard；And easily light a fire, continuous fiery ability is strong, heating rate is fast, firing duration is long, be various civil stoves
Has ideal fuel.
CN1576356A discloses a kind of side for reducing carbon and floating dust that burning coal and the mixture containing manganese compound generate
Method and additive, manganese compound are mixed before combustion chamber or in a combustion chamber with coal, mainly reduce coal-fired generation containing manganese compound
Floating dust in carbon content；Research is the suppression for being sprayed on static dump surface in " preparation and characteristic of novel Coal Dust Restrainer "
The preparation of dust agent introduces additive in civilian clean coke preparation process and promotes to burn and play fluxing effect through retrieving, from
And it reduces the technique of flue dust there is not been reported.
Summary of the invention
The technical problem to be solved by the present invention is to smoke contamination problems caused by domestic coke burning, and the purpose is to provide one
Kind inhibits the preparation of potassium base composite assistant and application of domestic coke combustion fumes loss.
To achieve the goals above, the technical solution used in the present invention is as follows.
A kind of potassium base composite assistant preparation inhibiting the loss of domestic coke combustion fumes, it is characterised in that: the potassium base is multiple
The raw material composition and its content for closing auxiliary agent preparation are that by weight, method and step is as follows:
(1) kaolin, silica and potassium feldspar are dried, and being crushed to granularity respectively is≤3mm；
(2) 0-20 parts of 60-70 parts of kaolin, silica 1 being crushed and 2-7 parts of additive raw materials of potassium feldspar are weighed respectively,
It is stirred for being uniformly mixed；
(3) mixture after being uniformly mixed is made into mix size≤150 mesh, then at 260-300 DEG C through dry grinding
Under the conditions of calcine 1-2 hours, be cooled to room temperature, be made inhibit the loss of domestic coke combustion fumes potassium base composite assistant；
A kind of application of the potassium base composite assistant of above-mentioned inhibition domestic coke combustion fumes loss, it is characterised in that: the potassium base
It is 1.0-3.0: 100 that the application of composite assistant, which is by the weight ratio of potassium base composite assistant and mixed coal, and potassium base composite assistant is added
It is added in mixed coal, makes firm by ramming, air is completely cut off in gas retort and is heated to 900-1100 DEG C, continuous heating 18-24h, it then will be red
Hot stove material through quenching process is down to room temperature after coming out of the stove, then screened, obtains the civilian clean coke containing potassium base composite assistant.
Wherein: it is described screening be will drop to room temperature furnace charge screening be 25-80mm granularity；The civilian clean coke includes
The civilian clean coke produced using existing coke oven for iron through high-temperature retorting further includes smalls by preforming, then passes through medium temperature
The civilian clean formed coke of gas retort production.
A kind of application of the potassium base composite assistant of above-mentioned inhibition domestic coke combustion fumes loss, it is characterised in that: institute
It is 1.0-3.0: 100 that the application for stating potassium base composite assistant, which is by the weight ratio of potassium base composite assistant and mixed coal, and potassium base is compound
Auxiliary agent is added in mixed coal, the cold moudling under 10-20MPa pressure, obtains the moulded coal of intensity > 800N/ball, is turning round
Completely cut off air in kiln to be heated at a temperature of 600-900 DEG C, continues destructive distillation 8-10h, through quenching after then red heat furnace charge is come out of the stove
Process is down to room temperature, obtains civilian clean formed coke.
In the above-mentioned technical solutions, the quality index of the mixed coal are as follows: butt fixed carbon FCd>=50%, dry ash free basis
Volatile matter Vdaf>=25%, dry basis ash content Ad≤ 18%, the full sulphur S of buttt,d< 1.5%.
Realize a kind of potassium base composite assistant preparation for inhibiting the loss of domestic coke combustion fumes provided by aforementioned present invention
And application, when innovative point is to prepare civilian clean coke, dust suppression composite assistant is introduced in coal blending process, the dust suppression is compound
Auxiliary agent promotes the full combustion of civilian clean coke, reduces the formation of carbon black, and is formed to the incombustible in coal tiny
Particle floating dust plays certain fluxing effect, and floating dust is made to become depositing dust, to reduce smoke contamination.
Compared with prior art, potassium base composite assistant of the present invention, raw material sources enrich extensively, and price is low
It is honest and clean, it is added directly in mixed coal, the civilian clean coke containing potassium base composite assistant is made by high-temperature retorting, is not being changed
Under the premise of existing stove compared with the raw coal that directly burns, the operability and applicability of civilian clean coke are significantly improved, it is special
It is not the burning situation for having purified coke, improves the quality of life of resident.
Specific embodiment
A specific embodiment of the invention is made below and being further explained.
Embodiment 1
Implement aforementioned present invention provided by it is a kind of inhibit the loss of domestic coke combustion fumes potassium base composite assistant preparation and answer
With the method and step of the preparation of potassium base composite assistant and application is as follows:
Step 1: by after drying kaolin, silica, potassium feldspar raw material is respectively through rough and torn, thin broken to granularity≤3mm；
Step 2: successively weighing the kaolin 70kg being crushed, silica 1 0kg, potassium feldspar 2kg respectively and being mixed in one
It rises, stirs evenly；
Step 3: the mixture stirred evenly makes raw material granularity≤150 mesh (0.1mm) through dry grinding；Then in 260 DEG C of items
It calcines 2 hours, is cooled to room temperature, as potassium base composite assistant under part；
Step 4: as-fired coal material is burnt by glue coal, 25wt% in the jet coal, the weakly caking coal of 20wt%, the 1/2 of 25% of 10wt% 1/3
The rich coal cooperation of coal, 20wt% forms mixed coal；The quality index of its mixed coal: dry ash free basis volatile matter Vdaf30.0wt% is done
Base ash content Ad12.2wt%, butt fixed carbon FCd60.6wt%, the full sulphur S of buttt,d0.67wt%；Adhesive index=52, fineness (≤
3mm)=81.3wt%；
Step 5: pressing potassium base composite assistant: mixed coal weight ratio is 3.0: 100, and the potassium base composite assistant made is added to and is matched
It closes in coal, makes firm by ramming, air is completely cut off in gas retort and is heated to 1000 DEG C, continuous heating 22h is passed through after then red heat furnace charge is come out of the stove
Quenching process is down to room temperature, then screened to get to the civilian clean coke containing potassium base composite assistant.
Comparative example:
Any additive is not added in mixed coal, air is completely cut off in gas retort and is heated to 1000 DEG C, continuous heating 22h, then
It is down to room temperature through quenching process after red heat furnace charge is come out of the stove, then screened, the civilian clean coke of gained is as control coke.
On the Testo3008 type smoke dust sampling instrument of De Tu company production, clean coke civilian to gained and control respectively
It is collected and is tested with the flue dust of burnt burning and exhausting.Test result is as follows shown in table 1.
Particulate matter (partial size≤10 μm) concentrations versus of 1. coke burning and exhausting of table
| Test group | Mean concentration/(μ g/m3) | Decreasing value/(μ g/m3) |
| Control coke | 255 | - |
| Add the civilian clean coke of compound additive | 102 | 153 |
Embodiment 2
Implement aforementioned present invention provided by it is a kind of inhibit the loss of domestic coke combustion fumes potassium base composite assistant preparation and answer
With the method and step of the preparation of potassium base composite assistant and application is as follows:
Step 1: by after drying kaolin, silica, potassium feldspar additive raw material respectively through rough and torn, thin broken to granularity≤
3mm；
Step 2: successively weighing the kaolin 65kg being crushed, silica 1 5kg, potassium feldspar 4kg respectively and being mixed in one
It rises, stirs evenly；
Step 3: the mixture stirred evenly makes raw material granularity≤150 mesh (0.1mm) through dry grinding；Then in 270 DEG C of items
It calcines 1.8 hours, is packed after being cooled to room temperature, as potassium base composite assistant under part；
Step 4: as-fired coal by the weakly caking coal of 15wt%, the dross coal of 25wt%, the coking coal of 20wt%, 20wt% gas rich coal and
The lean coal cooperation of 20wt% forms mixed coal；Its quality index: dry ash free basis volatile matter Vdaf33.0wt%, dry basis ash content
Ad11.7wt%, butt fixed carbon FCd58.2wt%, the full sulphur S of buttt,d0.74wt%, adhesive index=60, fineness (≤3mm)=
82.5wt%；
Step 5: potassium base composite assistant: mixed coal weight ratio is 1.4: 100, and the potassium base composite assistant made is added to cooperation
In coal, make firm by ramming, air completely cut off in gas retort and is heated to 900 DEG C, continuous heating for 24 hours, through putting out after then red heat furnace charge is come out of the stove
Burnt process is down to room temperature, then screened to get to the civilian clean coke containing potassium base composite assistant.
Comparative example:
Any additive is not added in mixed coal, air is completely cut off in gas retort and is heated to 900 DEG C, continuous heating for 24 hours, then will
Red heat furnace charge through quenching process is down to room temperature after coming out of the stove, then screened, and the civilian clean coke of gained is as control with burnt.
On the Testo3008 type smoke dust sampling instrument of De Tu company production, clean coke civilian to gained and control respectively
It is collected and is tested with the flue dust of burnt burning and exhausting.Test result is as follows shown in table 2.
Particulate matter (partial size≤10 μm) concentrations versus of 2. coke burning and exhausting of table
| Test group | Mean concentration/(μ g/m3) | Decreasing value/(μ g/m3) |
| Control coke | 268 | - |
| Add the civilian clean coke of compound additive | 135 | 133 |
Embodiment 3
Implement aforementioned present invention provided by it is a kind of inhibit the loss of domestic coke combustion fumes potassium base composite assistant preparation and answer
With the method and step of the preparation of potassium base composite assistant and application is as follows:
Step 1: by after drying kaolin, silica, potassium feldspar additive raw material respectively through rough and torn, thin broken to granularity≤
3mm；
Step 2: successively weighing the kaolin 60kg, silica 20kg, potassium feldspar 7kg being crushed respectively, and it is mixed in one
It rises, stirs evenly；
Step 3: the mixture stirred evenly makes raw material granularity≤150 mesh (0.1mm) through dry grinding；Then in 270 DEG C of items
It calcines 1.6 hours, is packed after being cooled to room temperature, as potassium base composite assistant under part；
Step 4: as-fired coal material by the weakly caking coal of 20wt%, the lean coal of 15wt%, 1/3 coking coal of 30wt%, 20wt% rich coal and
The coking coal cooperation of 15wt% forms mixed coal；The quality index of its mixed coal: dry ash free basis volatile matter Vdaf30.0wt% is done
Base ash content Ad13.5wt%, butt fixed carbon FCd61.6wt%, the full sulphur S of buttt,d1.28wt%；Adhesive index=74, fineness (≤
3mm)=92.5wt%；
Step 5: pressing potassium base composite assistant: mixed coal weight ratio is 2.0: 100, and the potassium base compound additive made is added to
It in mixed coal, makes firm by ramming, air is completely cut off in gas retort and is heated to 1100 DEG C, continuous heating 18h, after then red heat furnace charge is come out of the stove
Room temperature is down to through quenching process, then screened to get to the civilian clean coke containing potassium base composite assistant.
Comparative example:
Any additive is not added in mixed coal, air is completely cut off in gas retort and is heated to 1100 DEG C, continuous heating 18h, then
It is down to room temperature through quenching process after red heat furnace charge is come out of the stove, then screened, the civilian clean coke of gained is as control coke.
On the Testo3008 type smoke dust sampling instrument of De Tu company production, clean coke civilian to gained and control respectively
It is collected and is tested with the flue dust of burnt burning and exhausting.Test result is as follows shown in table 3.
Particulate matter (partial size≤10 μm) concentrations versus of 3. coke burning and exhausting of table
| Test group | Mean concentration/(μ g/m3) | Decreasing value/(μ g/m3) |
| Control coke | 287 | - |
| Add the civilian clean coke of compound additive | 145 | 142 |
Embodiment 4
Implement aforementioned present invention provided by it is a kind of inhibit the loss of domestic coke combustion fumes potassium base composite assistant preparation and answer
With the method and step of the preparation of potassium base composite assistant and application is as follows:
Step 1: by after drying kaolin, silica, potassium feldspar additive raw material respectively through rough and torn, thin broken to granularity≤
3mm；
Step 2: successively weighing the kaolin 66kg, silica 1 4kg, potassium feldspar 7kg being crushed respectively, and it is mixed in one
It rises, stirs evenly；
Step 3: the mixture stirred evenly makes raw material granularity≤150 mesh (0.1mm) through dry grinding；Then in 280 DEG C of items
It calcines 1.4 hours, is packed after being cooled to room temperature, as potassium base composite assistant under part；
Step 4: as-fired coal is matched by the dross coal of the weakly caking coal of 30wt%, the jet coal of 10wt%, the gas rich coal of 50wt% and 10wt%
It closes and forms mixed coal；Its quality index: dry ash free basis volatile matter Vdaf35.0wt%, dry basis ash content Ad15.3wt%, butt are fixed
Carbon FCd56.2wt%, the full sulphur S of buttt,d0.84wt%, adhesive index=50, fineness (≤3mm)=88.5wt%；
Step 5: pressing potassium base composite assistant: mixed coal weight ratio is 1.0: 100, and the potassium base compound additive made is added to
In mixed coal, the cold moudling under 10MPa pressure, moulded coal mean intensity 883N/ball completely cuts off air in rotary kiln and is heated to
600 DEG C, continuous heating 9h, room temperature is down to get potassium base is compound to be helped to containing through quenching process after then red heat furnace charge is come out of the stove
The civilian clean formed coke of agent.
Comparative example:
Any additive is not added in mixed coal, the cold moudling under 10MPa pressure, moulded coal mean intensity 883N/ball is being returned
Completely cutting off air in rotary kiln and is heated to 600 DEG C, continuous heating 9h is down to room temperature through quenching process after then red heat furnace charge is come out of the stove,
The civilian lustration type Jiaozhuo of gained is control coke.
On the Testo3008 type smoke dust sampling instrument of De Tu company production, clean formed coke civilian to gained and control respectively
It is collected and is tested with the flue dust of burnt burning and exhausting.Test result is as follows shown in table 4.
Particulate matter (partial size≤10 μm) concentrations versus of 4. coke burning and exhausting of table
| Test group | Mean concentration/(μ g/m3) | Decreasing value/(μ g/m3) |
| Control coke | 266 | - |
| Add the civilian clean formed coke of compound additive | 138 | 128 |
Embodiment 5
Implement aforementioned present invention provided by it is a kind of inhibit the loss of domestic coke combustion fumes potassium base composite assistant preparation and answer
With the method and step of the preparation of potassium base composite assistant and application is as follows:
Step 1: by after drying kaolin, silica, potassium feldspar additive raw material respectively through rough and torn, thin broken to granularity≤
3mm；
Step 2: successively weighing the kaolin 63kg, silica 1 8kg, potassium feldspar 3kg being crushed respectively, and it is mixed in one
It rises, stirs evenly；
Step 3: the mixture stirred evenly makes raw material granularity≤150 mesh (0.1mm) through dry grinding；Then in 300 DEG C of items
It calcines 1 hour, is packed after being cooled to room temperature, as potassium base composite assistant under part；
Step 4: as-fired coal is with the dross coal of the weakly caking coal of 26wt%, the bottle coal of 20wt%, the gas rich coal of 34wt% and 20wt%
Into mixed coal；Its quality index: dry ash free basis volatile matter Vdaf28.0wt%, dry basis ash content Ad14.6wt%, butt fixed carbon
FCd53.2wt%, the full sulphur S of buttt,d1.46wt%, adhesive index=53, fineness (≤3mm)=86.9wt%；
Step 5: pressing potassium base composite assistant: mixed coal weight ratio is 1.8: 100, and the potassium base compound additive made is added to
In mixed coal, the cold moudling under 15MPa pressure, moulded coal mean intensity 912N/ball completely cuts off air in rotary kiln and is heated to
700 DEG C, continuous heating 10h, room temperature is down to get potassium base is compound to be helped to containing through quenching process after then red heat furnace charge is come out of the stove
The civilian clean formed coke of agent.
Comparative example:
Any additive is not added in mixed coal, the cold moudling under 15MPa pressure, moulded coal mean intensity 912N/ball is being returned
Completely cutting off air in rotary kiln and is heated to 700 DEG C, continuous heating 10h is down to room temperature through quenching process after then red heat furnace charge is come out of the stove,
The civilian lustration type Jiaozhuo of gained is control coke.
On the Testo3008 type smoke dust sampling instrument of De Tu company production, clean formed coke civilian to gained and control respectively
It is collected and is tested with the flue dust of burnt burning and exhausting.Test result is as follows shown in table 5.
Particulate matter (partial size≤10 μm) concentrations versus of 5. coke burning and exhausting of table
| Test group | Mean concentration/(μ g/m3) | Decreasing value/(μ g/m3) |
| Control coke | 270 | - |
| Add the civilian clean formed coke of compound additive | 135 | 135 |
Embodiment 6
Implement aforementioned present invention provided by it is a kind of inhibit the loss of domestic coke combustion fumes potassium base composite assistant preparation and answer
With the method and step of the preparation of potassium base composite assistant and application is as follows:
Step 1: by additive raw materials such as kaolin, silica, potassium feldspars after drying respectively through rough and torn, thin broken to granularity
≤3mm；
Step 2: successively weighing the kaolin 68kg, silica 1 6kg, potassium feldspar 5kg being crushed respectively, and it is mixed in one
It rises, stirs evenly；
Step 3: the mixture stirred evenly makes raw material granularity≤150 mesh (0.1mm) through dry grinding；Then in 285 DEG C of items
It calcines 1.2 hours, is packed after being cooled to room temperature, as potassium base composite assistant under part；
Step 4: as-fired coal with the coking coal of the dross coal of 30wt%, the weakly caking coal of 15wt%, the rich coal of 35wt% and 20wt% and
At mixed coal；The quality index of its mixed coal: dry ash free basis volatile matter Vdaf31.0wt%, dry basis ash content Ad16.5wt%, butt
Fixed carbon FCd52.9wt%, the full sulphur S of buttt,d0.96wt%, adhesive index=58, fineness (≤3mm)=85.2wt%；
Step 5: pressing potassium base composite assistant: mixed coal weight ratio is 2.4: 100, and the potassium base compound additive made is added to
In mixed coal, the cold moudling under 20MPa pressure, moulded coal mean intensity 943N/ball completely cuts off air in rotary kiln and is heated to
900 DEG C, continuous heating 8h, room temperature is down to get potassium base is compound to be helped to containing through quenching process after then red heat furnace charge is come out of the stove
The civilian clean formed coke of agent.
Comparative example:
Any additive is not added in mixed coal, the cold moudling under 20MPa pressure, moulded coal mean intensity 943N/ball is being returned
Completely cutting off air in rotary kiln and is heated to 900 DEG C, continuous heating 8h is down to room temperature through quenching process after then red heat furnace charge is come out of the stove,
The civilian lustration type Jiaozhuo of gained is control coke.
On the Testo3008 type smoke dust sampling instrument of De Tu company production, clean formed coke civilian to gained and control respectively
It is collected and is tested with the flue dust of burnt burning and exhausting.Test result is as follows shown in table 6.
Particulate matter (partial size≤10 μm) concentrations versus of 6. coke burning and exhausting of table
| Test group | Mean concentration/(μ g/m3) | Decreasing value/(μ g/m3) |
| Control coke | 260 | - |
| Add the civilian clean formed coke of compound additive | 120 | 140 |
。
Claims (6)
1. a kind of potassium base composite assistant preparation for inhibiting the loss of domestic coke combustion fumes, it is characterised in that:
The raw material composition and its content of the potassium base composite assistant preparation are that by weight, method and step is as follows:
(1) kaolin, silica and potassium feldspar are dried, and being crushed to granularity respectively is≤3mm；
(2) 0-20 parts of 60-70 parts of kaolin, silica 1 being crushed and 2-7 parts of additive raw materials of potassium feldspar are weighed respectively,
It is stirred for being uniformly mixed；
(3) mixture after being uniformly mixed is made into mix size≤150 mesh, then at 260-300 DEG C through dry grinding
Under the conditions of calcine 1-2 hours, be cooled to room temperature, be made inhibit the loss of domestic coke combustion fumes potassium base composite assistant.
2. a kind of application of the potassium base composite assistant as described in claim 1 for inhibiting the loss of domestic coke combustion fumes, special
Sign is: it is 1.0-3.0: 100 that the application of the potassium base composite assistant, which is by the weight ratio of potassium base composite assistant and mixed coal, will
Potassium base composite assistant is added in mixed coal, makes firm by ramming, and air is completely cut off in gas retort and is heated to 900-1100 DEG C, continuous heating
18-24h is down to room temperature through quenching process after then red heat furnace charge is come out of the stove, then screened, and acquisition contains potassium base composite assistant
Civilian cleaning coke.
3. inhibit the application of the potassium base composite assistant preparation of domestic coke combustion fumes loss as claimed in claim 2, it is special
Sign is: it is described screening be will drop to room temperature furnace charge screening be 25-80mm granularity.
4. inhibit the application of the potassium base composite assistant preparation of domestic coke combustion fumes loss as claimed in claim 2, it is special
Sign is: the civilian clean coke that the civilian clean coke is produced including the use of existing coke oven for iron through high-temperature retorting also wraps
Smalls is included by civilian clean formed coke that is preforming, then producing by medium temperature carbonization furnace.
5. a kind of application of the potassium base composite assistant as claimed in claim 2 for inhibiting the loss of domestic coke combustion fumes, special
Sign is: it is 1.0-3.0: 100 that the application of the potassium base composite assistant, which is by the weight ratio of potassium base composite assistant and mixed coal, will
Potassium base composite assistant is added in mixed coal, the cold moudling under 10-20MPa pressure, obtains the type of intensity > 800N/ball
Coal, in rotary kiln completely cut off air be heated to 600-900 DEG C at a temperature of, continue destructive distillation 8-10h, then red heat furnace charge is come out of the stove
It is down to room temperature by quenching process, obtains civilian clean formed coke.
6. the application of the potassium base composite assistant of the inhibition domestic coke combustion fumes loss as described in claim 2 or 5, feature
It is: the quality index of the mixed coal are as follows: butt fixed carbon FCd>=50%, dry ash free basis volatile matter Vdaf>=25%, butt
Ash content Ad≤ 18%, the full sulphur S of buttt,d< 1.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067689.2A CN109735359A (en) | 2019-01-24 | 2019-01-24 | Inhibit the preparation of potassium base composite assistant and application of the loss of domestic coke combustion fumes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067689.2A CN109735359A (en) | 2019-01-24 | 2019-01-24 | Inhibit the preparation of potassium base composite assistant and application of the loss of domestic coke combustion fumes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109735359A true CN109735359A (en) | 2019-05-10 |
Family
ID=66365938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067689.2A Pending CN109735359A (en) | 2019-01-24 | 2019-01-24 | Inhibit the preparation of potassium base composite assistant and application of the loss of domestic coke combustion fumes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109735359A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597832A (en) * | 2003-08-28 | 2005-03-23 | 乙基石油添加剂有限公司 | Method and composition for suppressing coal dust |
| DE102012001660A1 (en) * | 2012-01-28 | 2013-08-01 | Heinz Brümmer | Preparing hydrocarbon-containing substances for improving depolymerization, comprises preparing moldings made of hydrocarbon-containing substances under high mechanical pressure for producing liquid, solid and gaseous energy source |
| CN105602640A (en) * | 2016-02-24 | 2016-05-25 | 太原理工大学 | Potassium feldspar composite additive for reducing ignition temperature of civil coke and preparing method and application |
| CN105733634A (en) * | 2016-02-24 | 2016-07-06 | 太原理工大学 | Calcium-based potassium-magnesium-silicon composite additive for improving high temperature sulfur fixation effect of civil-use coke and production method and application |
| CN107338066A (en) * | 2017-08-29 | 2017-11-10 | 太原理工大学 | A kind of civilian clean coke and its production method |
| US20180327683A1 (en) * | 2017-05-01 | 2018-11-15 | Fuel Tech, Inc. | Controlling Slagging and/or Fouling in Furnaces Burning Biomass |
-
2019
- 2019-01-24 CN CN201910067689.2A patent/CN109735359A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597832A (en) * | 2003-08-28 | 2005-03-23 | 乙基石油添加剂有限公司 | Method and composition for suppressing coal dust |
| DE102012001660A1 (en) * | 2012-01-28 | 2013-08-01 | Heinz Brümmer | Preparing hydrocarbon-containing substances for improving depolymerization, comprises preparing moldings made of hydrocarbon-containing substances under high mechanical pressure for producing liquid, solid and gaseous energy source |
| CN105602640A (en) * | 2016-02-24 | 2016-05-25 | 太原理工大学 | Potassium feldspar composite additive for reducing ignition temperature of civil coke and preparing method and application |
| CN105733634A (en) * | 2016-02-24 | 2016-07-06 | 太原理工大学 | Calcium-based potassium-magnesium-silicon composite additive for improving high temperature sulfur fixation effect of civil-use coke and production method and application |
| US20180327683A1 (en) * | 2017-05-01 | 2018-11-15 | Fuel Tech, Inc. | Controlling Slagging and/or Fouling in Furnaces Burning Biomass |
| CN107338066A (en) * | 2017-08-29 | 2017-11-10 | 太原理工大学 | A kind of civilian clean coke and its production method |
Non-Patent Citations (2)
| Title |
|---|
| 孙玉绣: "《黏合剂配方与制备》", 30 November 2015 * |
| 张芳: "《铁精矿焙烧过程除尘烟气脱氟技术》", 30 June 2016 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105567272B (en) | The calcium base barium manganese aluminium compound additive and preparation method of raising domestic coke high-temperature fixed sulfur effect and application | |
| CN105602640B (en) | The potassium feldspar compound additive and preparation method of reduction domestic coke ignition temperature and application | |
| CN105733634B (en) | The calcium base potassium magnesium silicon compound additive and preparation method of raising domestic coke high-temperature fixed sulfur effect and application | |
| CN105542822B (en) | The bloodstone compound additive and preparation method of reduction domestic coke ignition temperature and application | |
| CN102260567B (en) | Biomass molding fuel for sintering iron ore and application | |
| CN107011961A (en) | Lignite compound additive and preparation method and the application of civilian clean coke ignition temperature can effectively be reduced | |
| CN105695731B (en) | Rotary kiln produces ferronickel fine powder and the method for zinc oxide | |
| CN105733728B (en) | The magnetic iron ore compound additive and preparation method of reduction domestic coke ignition temperature and application | |
| CN107338066A (en) | A kind of civilian clean coke and its production method | |
| CN107099356B (en) | Alumina composite additive for improving civil coke ash melting point, preparation method and application thereof | |
| CN105733727B (en) | The attapulgite clay compounded additive and preparation method of reduction domestic coke ignition temperature and application | |
| CN107828436A (en) | A kind of method that civilian clean coke is produced using coal directly-liquefied residue | |
| CN105733737B (en) | The copper ashes compound additive and preparation method of reduction domestic coke ignition temperature and application | |
| CN108659908B (en) | Energy-saving environment-friendly biomass fuel | |
| CN109735359A (en) | Inhibit the preparation of potassium base composite assistant and application of the loss of domestic coke combustion fumes | |
| CN110467953A (en) | The method for producing clean formed coke based on waterglass transition state binder | |
| CN107118789A (en) | Reduce iron-based compound additive and preparation method and the application of domestic coke nitrogen content | |
| CN107828437A (en) | A kind of method that civilian clean coke is produced using coal tar pitch | |
| CN105670728B (en) | The kaolin compound additive and preparation method of the raising domestic coke length of flame and application | |
| CN111471501A (en) | Preparation and application of sodium-based composite auxiliary agent for inhibiting dissipation of combustion smoke dust of civil coke | |
| CN110317651A (en) | The method for producing clean formed coke based on alumina transition state binder | |
| CN107474862A (en) | A kind of civilian clean coke and its processing method | |
| CN107418643A (en) | Reduce lignite compound additive and preparation method and the application of domestic coke ignition temperature | |
| CN105733726B (en) | The red mud compound additive and preparation method of reduction domestic coke ignition temperature and application | |
| CN110452753A (en) | The method for producing clean formed coke based on aluminium dihydrogen phosphate transition state binder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
|
| RJ01 | Rejection of invention patent application after publication |