CN105964409A - Method for treating fine slag of coal gasification device - Google Patents
Method for treating fine slag of coal gasification device Download PDFInfo
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- CN105964409A CN105964409A CN201610332868.0A CN201610332868A CN105964409A CN 105964409 A CN105964409 A CN 105964409A CN 201610332868 A CN201610332868 A CN 201610332868A CN 105964409 A CN105964409 A CN 105964409A
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- fine slag
- coal gasification
- flotation
- gasification apparatus
- processing method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
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Abstract
The invention relates to a method for treating fine slag of a coal gasification device, and the method is used for recycling the fine slag of the coal gasification device. According to the method, after being dehydrated, slag slurry of a settling tank in the coal gasification device is made into slurry proper in concentration and pH value; specially-made flotation reagent prepared from ferric chloride, short-chain alcohol and M-oil according to the characteristics of the fine slag of the coal gasification device is added; flotation operation is conducted in a flotation machine, and thus flotation matter high in carbon content and tail ash high in ash content are obtained; the flotation matter and the tail ash are dried separately, so that refined carbon powder and tailings are obtained; and various products are further made according to customer requirements. In this way, resource utilization of the fine slag is achieved.
Description
Technical field
The present invention relates to technical field of coal chemical industry, particularly to the fine slag processing method of a kind of coal gasification apparatus.
Background technology
Research for coal gasification apparatus fine slag integrated treatment is less, according to other similar Industrial Solid Waste process side
Case is analyzed, generally nothing more than four kinds of schemes: 1, the dried gasification coal-grinding unit that returns is as gasified raw material,
The program needs newly-built drying system；2, as moulded coal raw material, but fine slag is that raw coal is through gasification furnace high temperature
Being formed after environment, wherein fixed carbon content high volatility is relatively low, thus its ignition point height combustion reaction
Activation energy is big, under the conditions of identical burning situation, utilizes it and is accomplished by higher ignition temperature and longer
High-temperature residence time；3, mixing burning raw material as boiler recirculating fluidized bed, fluidized-bed combustion boiler is mixed burning coal slime and is being washed
Coal slime cleaning exploitation aspect is applied and promotes, and operational reliability is high, good economy performance, technology
Change system is reliable.But fine slag is mixed burning and filter bag load of dust remove can be caused big, and cake moisture height can cause and set
Standby and boiler flue corrosion；4, filter cake is processed sorting, finally sub-elects low heat value carbon dust and low-carbon (LC) ash, low
Calorific value carbon dust can be directly as CFB boiler material combusting, and low-carbon (LC) ash can directly utilize in building materials, build work, road
The engineering field such as bridge, backfill.
Scheme 1 is inadvisable because of energy consumption problem in coal gasification, and the use of scheme 2 has limitation, and disappears
Consumption is less, and the place the most cheap at coal price is inapplicable, and equipment that scheme 3 is brought and pipe problems are the most relatively
Seriously.Comprehensive scheme analysis 4 preferably, can be limited in again carbon residue in filter cake higher, it is difficult to removing.
Floatation is to utilize ash and the difference of coal cinder surface hydrophilic performance in fine slag and the one side distinguished
Method.Adding collecting agent in fine slag serosity, hydrophobic coal grain is adsorbed producing due to stirring by its infiltration
Air bubble on, rise to liquid level formed mineralized froth layer.Hydrophilic fine coal soot particle is then got rid of as mine tailing.
Being observed flyash pattern by scanning electron microscope, the pattern of flyash mostly is spherical glass beads and not
The melt granules of rule.Research shows, after mechanical lapping with alkaline modification, flyash surface activity obtains
To being obviously improved.In grinding process, fly ash grain generates surface defect and high density dislocation, and lattice occurs
Distortion.In terms of configuration aspects, the silicon-oxy tetrahedron structure of polymeric form is through the effect of mechanical force, between silica
Key rupture；OH-in alkali-activator acts on the aluminium_oxigen polyhedron structure in flyash so that aluminum
Oxygen network structure generation bond fission, thus form aluminum-oxide polyhedron symmetry small molecule structure.
After fine slag is by Floatation of Removal Carbon, utilization ways is highly developed.Tail ash can sort metal, floating bead, system
Make building materials.Refined carbon powder makes carbon material also dependent on needs or uses as civilian or industrial fuel.
Summary of the invention
The present invention provides a kind of coal gasification apparatus fine slag processing method, for coal gasification apparatus fine slag resource.
A kind of coal gasification apparatus fine slag processing method, it is characterised in that include following step:
Step one: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag；
Step 2: fine slag slurrying；
Step 3: add the flotation in flotation device of special floating agent, obtains flotation thing and tail ash, special floating
The addition selecting medicament is 2.9-30kg/t relative to the part by weight of fine slag, and special floating agent is by chlorination
The coal separation mineral oil of ferrum, short chain alcohol, any one chemical industry synthesis is made, wherein this special flotation medicine
In agent, the content of all kinds of materials with the part by weight relation of fine slag is:
Iron chloride 0-3kg/t
Short chain alcohol 0.1-2kg/t
The coal separation mineral oil 2.8-25kg/t of any one chemical industry synthesis；
Step 4: flotation thing is dehydrated respectively with tail ash, dries, obtains mine tailing and refined carbon powder.
In described step one, after fine slag dehydration, moisture content should be not more than 45%.
In described step 2, fine slag concentration of slurry is that 5%-30%, pH are not less than 8.
In floatation process described in described step 3, described floatation equipment uses ultrasonic separation means, to promote
Enter the stripping of carbon granule and ash particles.
Present invention have the advantage that:
The present invention relates to a kind of coal gasification apparatus fine slag processing method, for coal gasification apparatus fine slag resource,
Obtaining tail ash and refined carbon powder after fine slag is by Floatation of Removal Carbon, tail ash can sort metal, floating bead, making building materials.
Refined carbon powder makes carbon material also dependent on needs or uses as civilian or industrial fuel.
Accompanying drawing explanation
Fig. 1 is a kind of coal gasification apparatus fine slag processing method schematic diagram that the present invention provides.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
Member can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
The present invention provides a kind of coal gasification apparatus fine slag processing method, as it is shown in figure 1, the method specifically includes
Following step:
Step one: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag；
Step 2: add water, by fine slag slurrying；
Step 3: add the flotation in flotation device of special floating agent, obtains flotation thing and tail ash, special floating
The addition selecting medicament is 2.9-30kg/t (preferably 12.5-18.5kg/t) relative to the part by weight of fine slag,
Special floating agent is made up of iron chloride, short chain alcohol, the coal separation mineral oil of any one chemical industry synthesis
, wherein in this special floating agent, the content of all kinds of materials with the part by weight relation of fine slag is:
Iron chloride 0-3kg/t (preferably 1.5-2kg/t)
Short chain alcohol 0.1-2kg/t (preferably 1-1.5kg/t)
The coal separation of any one chemical industry synthesis is with mineral oil 2.8-25kg/t (preferably 10-15kg/t)；
Step 4: flotation thing is dehydrated respectively with tail ash, dries, obtains mine tailing and refined carbon powder.
In described step one, after fine slag dehydration, moisture content should be not more than 45%.
In described step 2, fine slag concentration of slurry is that 5%-30%, pH are not less than 8.
In floatation process described in described step 3, described floatation equipment uses ultrasonic separation means, to promote
Enter the stripping of carbon granule and ash particles.
Embodiment 1:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 0.1kg/t,
N-butyl alcohol 0.5kg/t, kerosene 7kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 40% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 10%, and pH value is 8；
Step 4: use ultrasonic separation means in floatation equipment, to promote the stripping of carbon granule and ash particles,
Adding the flotation in flotation device of special floating agent, special floating agent addition is 7.6kg/t, obtains carbon and contains
Measure the tail ash that higher flotation thing is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 2:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 1kg/t,
Ethanol 1kg/t, diesel oil 5kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 40% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 25%, and pH value is 9；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is 7kg/t,
Obtain the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 3:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: according to the ratio of the content of material with fine slag make special floating agent n-butyl alcohol 1kg/t,
Diesel oil 5kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 40% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 15%, and pH value is 12；
Step 4: use ultrasonic separation means in floatation equipment, to promote the stripping of carbon granule and ash particles,
Adding the flotation in flotation device of special floating agent, special floating agent addition is 6kg/t, obtains carbon content
The tail ash that higher flotation thing is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 4:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 3kg/t,
Ethanol 0.5kg/t, diesel oil 20kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 30%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
23.5kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 5:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 3kg/t,
Ethanol 2kg/t, diesel oil 25kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 5%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
30kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 6:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, n-butyl alcohol 0.1kg/t,
Diesel oil 2.8kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 28%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
2.9kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 7:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 2kg/t,
Ethanol 1.5kg/t, diesel oil 15kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 5%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
18.5kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 8:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 1kg/t,
Ethanol 1kg/t, diesel oil 10kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 5%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
12kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 9:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 2.5kg/t,
Ethanol 0.5kg/t, diesel oil 23kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 5%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
26kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment 10:
The present embodiment provides a kind of coal gasification apparatus fine slag processing method, and the method specifically includes following step
Rapid:
Step one: make special floating agent according to the ratio of the content of material with fine slag, iron chloride 2.7kg/t,
Ethanol 2.3kg/t, diesel oil 5kg/t.
Step 2: the dehydration of coal gasification apparatus subsider fine slag obtains fine slag, moisture content 30% after fine slag dehydration；
Step 3: fine slag slurrying, fine slag concentration of slurry is 5%, and pH value is 10；
Step 4: add the flotation in flotation device of special floating agent, special floating agent addition is
10kg/t, obtains the tail ash that the higher flotation thing of carbon content is higher with ash；
Step 5: flotation thing and ash be dehydrated respectively, dry and obtain mine tailing and refined carbon powder.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, the present invention's
Protection domain is not limited to this.Equivalent that those skilled in the art are made on the basis of the present invention substitute or
Conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (7)
1. the fine slag processing method of a coal gasification apparatus, it is characterised in that include following step:
Step one: the slurry dehydration of subsider in coal gasification apparatus, obtains fine slag；
Step 2: by the fine slag slurrying after dehydration；
Step 3: add the flotation in flotation device of special floating agent, obtains flotation thing and tail ash, special floating
The addition selecting medicament is 2.9-30kg/t relative to the part by weight of fine slag, and special floating agent is by chlorination
The coal separation mineral oil of ferrum, short chain alcohol, any one chemical industry synthesis is made, wherein this special flotation medicine
In agent, the content of all kinds of materials with the part by weight relation of fine slag is:
Iron chloride 0-3kg/t
Short chain alcohol 0.1-2kg/t
The coal separation mineral oil 2.8-25kg/t of any one chemical industry synthesis；
Step 4: flotation thing is dehydrated respectively with tail ash, dries, obtains mine tailing and refined carbon powder.
The fine slag processing method of a kind of coal gasification apparatus the most according to claim 1, it is characterised in that
The moisture content of the fine slag obtained after slurry dehydration in described step one is not more than 45%.
The fine slag processing method of a kind of coal gasification apparatus the most according to claim 1, it is characterised in that
In described step 2, the mass fraction of fine slag serosity is that 5%-30%, pH are not less than 8.
The fine slag processing method of a kind of coal gasification apparatus the most according to claim 1, it is characterised in that
In floatation process described in described step 3, described flotation device uses ultrasonic separation means, to promote carbon
Granule and the stripping of ash particles.
The fine slag processing method of a kind of coal gasification apparatus the most according to claim 1, it is characterised in that
Described short chain alcohol is butanol or ethanol.
The fine slag processing method of a kind of coal gasification apparatus the most according to claim 1, it is characterised in that
Described short chain alcohol is n-butyl alcohol.
The fine slag processing method of a kind of coal gasification apparatus the most according to claim 1, it is characterised in that
The coal separation mineral oil of any one chemical industry described synthesis is diesel oil or kerosene.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855108A (en) * | 2017-03-15 | 2018-03-30 | 吉林大学 | Method and obtained zeolitic material using coal gasification fine slag synthetic zeolite |
| CN107952588A (en) * | 2016-10-14 | 2018-04-24 | 中国石油化工股份有限公司 | The technique that carbon is recycled in coal gasification lime-ash |
| CN108580049A (en) * | 2018-04-04 | 2018-09-28 | 中南大学 | Microfine diaspore method for floating, closed circuit cavitation circulating treating system and floatation system |
| CN108855629A (en) * | 2018-05-31 | 2018-11-23 | 中南大学 | The method for floating of microfine diaspore |
| CN111659707A (en) * | 2020-06-16 | 2020-09-15 | 太原理工大学 | Gasification fine slag carbon-ash separation and high-carbon product dehydration integrated device and method |
| CN112916200A (en) * | 2019-12-05 | 2021-06-08 | 山西奇色环保科技有限公司 | Method for preparing plastic filler by taking gasified slag as raw material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170770B1 (en) * | 1998-03-20 | 2001-01-09 | John W. Rich, Jr. | Process and apparatus for preparing feedstock for a coal gasification plant |
| CN101870896A (en) * | 2009-08-11 | 2010-10-27 | 章新喜 | Recovery method of carbon in slag from gasifying furnace |
| CN202113944U (en) * | 2011-06-10 | 2012-01-18 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Powdered coal ash floatation separating equipment with ultrasonic separating unit |
| CN103143448A (en) * | 2013-04-03 | 2013-06-12 | 张京三 | Method for extracting float coal, ferrous sulfide and kaoline from gangue through flotation |
| CN103785523A (en) * | 2013-08-28 | 2014-05-14 | 富源胜欣经贸有限责任公司 | Coal slime flotation and recycling method |
| CN105293804A (en) * | 2015-11-01 | 2016-02-03 | 张晓峰 | Coal gasification ash water treatment method |
| CN105524669A (en) * | 2014-09-29 | 2016-04-27 | 大唐国际化工技术研究院有限公司 | Separating and recycling method for fine slag of coal gasification |
-
2016
- 2016-05-19 CN CN201610332868.0A patent/CN105964409A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170770B1 (en) * | 1998-03-20 | 2001-01-09 | John W. Rich, Jr. | Process and apparatus for preparing feedstock for a coal gasification plant |
| CN101870896A (en) * | 2009-08-11 | 2010-10-27 | 章新喜 | Recovery method of carbon in slag from gasifying furnace |
| CN202113944U (en) * | 2011-06-10 | 2012-01-18 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Powdered coal ash floatation separating equipment with ultrasonic separating unit |
| CN103143448A (en) * | 2013-04-03 | 2013-06-12 | 张京三 | Method for extracting float coal, ferrous sulfide and kaoline from gangue through flotation |
| CN103785523A (en) * | 2013-08-28 | 2014-05-14 | 富源胜欣经贸有限责任公司 | Coal slime flotation and recycling method |
| CN105524669A (en) * | 2014-09-29 | 2016-04-27 | 大唐国际化工技术研究院有限公司 | Separating and recycling method for fine slag of coal gasification |
| CN105293804A (en) * | 2015-11-01 | 2016-02-03 | 张晓峰 | Coal gasification ash water treatment method |
Non-Patent Citations (2)
| Title |
|---|
| 陈强: "高灰氧化煤的浮选试验研究", 《洁净煤技术》 * |
| 高成龙: "不同价位阳离子对氧化煤浮选的影响", 《煤炭加工与综合利用》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952588A (en) * | 2016-10-14 | 2018-04-24 | 中国石油化工股份有限公司 | The technique that carbon is recycled in coal gasification lime-ash |
| CN107855108A (en) * | 2017-03-15 | 2018-03-30 | 吉林大学 | Method and obtained zeolitic material using coal gasification fine slag synthetic zeolite |
| CN107855108B (en) * | 2017-03-15 | 2020-04-07 | 吉林大学 | Method for synthesizing zeolite by utilizing coal gasification fine slag and prepared zeolite material |
| CN108580049A (en) * | 2018-04-04 | 2018-09-28 | 中南大学 | Microfine diaspore method for floating, closed circuit cavitation circulating treating system and floatation system |
| CN108580049B (en) * | 2018-04-04 | 2019-10-01 | 中南大学 | Microfine diaspore method for floating, closed circuit cavitation circulating treating system and floatation system |
| CN108855629A (en) * | 2018-05-31 | 2018-11-23 | 中南大学 | The method for floating of microfine diaspore |
| CN108855629B (en) * | 2018-05-31 | 2019-07-05 | 中南大学 | The method for floating of microfine diaspore |
| CN112916200A (en) * | 2019-12-05 | 2021-06-08 | 山西奇色环保科技有限公司 | Method for preparing plastic filler by taking gasified slag as raw material |
| CN112916200B (en) * | 2019-12-05 | 2022-06-17 | 山西奇色环保科技股份有限公司 | Method for preparing plastic filler by taking gasified slag as raw material |
| CN111659707A (en) * | 2020-06-16 | 2020-09-15 | 太原理工大学 | Gasification fine slag carbon-ash separation and high-carbon product dehydration integrated device and method |
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