CN102618343A - Instant water coal briquette and molding method thereof - Google Patents
Instant water coal briquette and molding method thereof Download PDFInfo
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- CN102618343A CN102618343A CN2012101028700A CN201210102870A CN102618343A CN 102618343 A CN102618343 A CN 102618343A CN 2012101028700 A CN2012101028700 A CN 2012101028700A CN 201210102870 A CN201210102870 A CN 201210102870A CN 102618343 A CN102618343 A CN 102618343A
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Abstract
The invention discloses an instant water coal briquette and a molding method of the instant water coal briquette. The molding method of the instant water coal briquette is used for making pulverized coal (for preparing coal water slurry), water and a bonding agent into a half-finished product of coal water slurry. The molding method of the instant water coal briquette specifically comprises the following steps of: S100, grinding the pulverized coal; S200, adding the bonding agent into the water according to the proportion, and obtaining solution containing the bonding agent; S300, adding the solution containing the bonding agent into the pulverized coal, and evenly stirring; and S400, extrusion forming and drying. The instant water coal briquette can be hydrolyzed at the normal temperature, and the molded water coal briquette is put into the water and can be stirred into the coal water slurry which can be used for combustion. The instant water coal briquette not only has the original characteristics of the coal water slurry, but also is more convenient in transportation and higher in safety; and when the bonding agent is modified starch, the prepared coal water slurry can be fully burnt without producing emission pollution.
Description
Technical field
The present invention relates to the coal water slurry field, relate in particular to a kind of instant water coal cinder and forming method thereof.
Background technology
Coal water slurry is the coal-based liquid fuel that rises the seventies in 20th century, can be used as stove fuel or raw material of synthetic gas, has advantages such as flameholding, disposal of pollutants are few.Coal water slurry be by coal dust, water and chemicaladditives by the mixture that certain requirement is mixed with, have good mobility and stability, be easy to store, aerosolizable burning is higher and the oligosaprobic clean fuel of cheapness of a kind of efficiency of combustion.
Be used for the coal dust of coal water slurry preparation, particle carefully reaches more than 200 orders, if coal dust is transported for long-distance with the state of powder, not only can produce the dust pollution environment, also very easily detonation.Now in the technology, coal dust added transport again after water is processed coal water slurry, so just can not produce the dust pollution environment.But coal water slurry makes transportation cost higher because water cut up to more than 30%, has increased the transportation cost of water in the feasible long-distance transport.
Therefore, prior art awaits to improve and development.
Summary of the invention
In view of the deficiency of above-mentioned prior art, the object of the present invention is to provide a kind of instant water coal cinder and forming method thereof, be intended to solve dust pollution and the problem of fire and explosive risks in the coal dust storage and transport process.
Technical scheme of the present invention is following:
A kind of forming method of instant water coal cinder, wherein, the forming method of said instant coal cinder is that the coal dust that is used to prepare coal water slurry, water and tamanori are processed the coal water slurry process of semi-finished, the forming method of said instant coal cinder specifically may further comprise the steps:
S100, coal dust is ground;
S200, in water, add tamanori in proportion, obtain containing the solution of tamanori;
S300, in coal dust, add the said solution that contains tamanori, stir;
S400, extrusion molding, oven dry.
The forming method of described instant water coal cinder, wherein, among the step S200, in the solution of said tamanori, the weight ratio of tamanori and water is 0.5 ~ 5:100.
The forming method of described instant water coal cinder, wherein, among the step S300, said tamanori accounts for 0.5 ~ 5% of coal dust weight.
The forming method of described instant water coal cinder wherein, among the step S200, also adds an amount of stablizer and dispersion agent in water.
The forming method of described instant water coal cinder, wherein, said tamanori is a treated starch.
A kind of instant water coal cinder, said instant water coal cinder is the work in-process that are used to prepare coal water slurry, wherein, said instant water coal cinder is to adopt above-mentioned forming method to be prepared from.
Described instant water coal cinder, wherein, said water coal cinder mainly is made up of coal dust and tamanori, and wherein tamanori accounts for 0.5 ~ 5% of coal dust weight; Said coal dust is the coal dust that is used to prepare coal water slurry, and particle carefully reaches more than 200 orders.
Described instant water coal cinder, wherein, said tamanori is a treated starch.
Described instant water coal cinder wherein, also comprises stablizer and dispersion agent in the said water coal cinder, and said stablizer and dispersion agent account for 1 ~ 2% of coal dust weight.
Beneficial effect: a kind of instant water coal cinder provided by the present invention and forming method thereof, the forming method of said instant coal cinder are to process the coal water slurry process of semi-finished to the coal dust water and the tamanori that are used to prepare coal water slurry.Described water coal cinder, hydrolyzable under the normal temperature is put into water with the water coal cinder of moulding, stirs into coal water slurry, promptly can be used for burning.Said water coal cinder is except that having the original characteristics of coal water slurry, and its transportation is convenient, and security is higher, and when tamanori was treated starch, the coal water slurry of processing can not produced exhaust emission by abundant burning.
Embodiment
The present invention provides a kind of instant water coal cinder and forming method thereof, and is clearer, clear and definite for making the object of the invention, technical scheme and effect, below to further explain of the present invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Process the water coal cinder to the coal dust elder generation's water and the tamanori that are used to prepare coal water slurry among the present invention, promptly process the work in-process of coal water slurry, be convenient to store and transportation.Hydrolyzable under the resulting water coal cinder normal temperature when the water coal cinder is used to prepare coal water slurry, only needs to add water, and the water coal cinder can be dissolved in the water, and obtains coal water slurry.Adopt instant water coal cinder provided by the present invention and forming method thereof, solved coal water slurry field middle-long distance and transported existing problem, under the prerequisite of not obvious increase cost, solved the problem of coal dust dust pollution and detonation.
The forming method of the instant water coal cinder described in the present invention is specific as follows:
S100, coal dust is ground;
S200, in water, add tamanori in proportion, obtain containing the solution of tamanori;
S300, in coal dust, add the said solution that contains tamanori, stir;
S400, extrusion molding, oven dry.
In step S200, the weight ratio of tamanori and water does in the solution of said tamanori, tamanori: water=0.5 ~ 5:100.Said tamanori requires hydrolysis at normal temperatures, and is dissolved in the water, and can play the effect of coal water mixture stabilizing agent simultaneously, and not reduce the calorific value of coal water slurry.Said tamanori can be water-soluble silicon glue class or treated starch.In technical scheme of the present invention, preferred tamanori is a treated starch, because treated starch can not produced exhaust emission by abundant burning.When said tamanori was treated starch, the weight ratio of treated starch and water did in the solution of said tamanori, treated starch: water=0.5 ~ 5:100.
In step S300, in coal dust, add the said solution that contains tamanori, wherein said tamanori accounts for 0.5 ~ 5% of coal dust weight.
In step S400, after oven dry, the water cut of said water coal cinder is 0.2%.The water coal cinder of processing possesses certain compression strength, even break, also can not be ground into powdery, can hydrolysis under the normal temperature, and the coal water slurry of processing is aspect stability and calorific value, and is all slightly higher than the coal water slurry of no tamanori.
In step S200, can also add an amount of stablizer and dispersion agent, stablizer is the additive that makes slurries keep the milkiness state can moisture content of coal not leave, dispersion agent is after the hydrolysis coal particle to be surrounded to avoid luming.Additive stablizer and dispersion agent are proven technique in COAL-WATER SLURRY TECHNOLOGY, do not give unnecessary details at this.
The water coal cinder that adopts above-mentioned forming method to make also is provided among the present invention, and said water coal cinder mainly is made up of coal dust and tamanori, and wherein tamanori accounts for 0.5 ~ 5% of coal dust weight.Said coal dust is meant the coal dust that is used to prepare coal water slurry, and particle carefully reaches more than 200 orders.Said tamanori is preferably treated starch.
Can also comprise stablizer and dispersion agent in the said water coal cinder, said stablizer and dispersion agent account for 1 ~ 2% of coal dust weight.
Water coal cinder of the present invention, hydrolyzable under the normal temperature.When using, according to water: water coal cinder weight ratio is the ratio of 3 ~ 4:6 ~ 7, and the water coal cinder of moulding is put into water, stirs into coal water slurry, promptly can be used for burning.Said water coal cinder is except that having the original characteristics of coal water slurry, and its transportation is convenient, and security is higher, and when tamanori was treated starch, the coal water slurry of processing can not produced exhaust emission by abundant burning.
Embodiment 1
Coal dust is ground; Press treated starch: the weight ratio of water=2:100, in water, add treated starch, obtain containing the solution of treated starch; In coal dust, add the said solution that contains treated starch, wherein, treated starch accounts for 0.5% of coal dust weight, stirs extrusion molding, oven dry.
Prepared water coal cinder possesses certain compression strength in the present embodiment, even break, also can not be ground into powdery.Can hydrolysis under the prepared water coal cinder normal temperature, the coal water slurry of processing is aspect stability and calorific value, and all slightly higher than the coal water slurry of no tamanori, the parameter that the coal water slurry of processing is concrete is as shown in table 1.The coal water slurry of processing with present embodiment water coal cinder can not produced exhaust emission by abundant burning.
Table 1
Embodiment 2
Coal dust is ground; Press treated starch: the weight ratio of water=0.5:100, in water, add treated starch and the stablizer and the dispersion agent that account for coal dust weight 1%, obtain containing the solution of treated starch; In coal dust, add the said solution that contains treated starch, wherein, treated starch accounts for 2.5% of coal dust weight, stirs extrusion molding, oven dry.
Prepared water coal cinder possesses certain compression strength in the present embodiment, even break, also can not be ground into powdery.Can hydrolysis under the prepared water coal cinder normal temperature, the coal water slurry of processing is aspect stability and calorific value, and all slightly higher than the coal water slurry of no tamanori, the parameter that the coal water slurry of processing is concrete is as shown in table 2.The coal water slurry of processing with present embodiment water coal cinder can not produced exhaust emission by abundant burning.
Table 2
Embodiment 3
Coal dust is ground; Press treated starch: the weight ratio of water=5:100, in water, add treated starch and the stablizer and the dispersion agent that account for coal dust weight 2%, obtain containing the solution of treated starch; In coal dust, add the said solution that contains treated starch, wherein, treated starch accounts for 3.5% of coal dust weight, stirs extrusion molding, oven dry.
Prepared water coal cinder possesses certain compression strength in the present embodiment, even break, also can not be ground into powdery.Can hydrolysis under the prepared water coal cinder normal temperature, the coal water slurry of processing is aspect stability and calorific value, and all slightly higher than the coal water slurry of no tamanori, the parameter that the coal water slurry of processing is concrete is as shown in table 3.The coal water slurry of processing with present embodiment water coal cinder can not produced exhaust emission by abundant burning.
Table 3
Embodiment 4
Coal dust is ground; Press treated starch: the weight ratio of water=3:100, in water, add treated starch, obtain containing the solution of treated starch; In coal dust, add the said solution that contains treated starch, wherein, treated starch accounts for 5% of coal dust weight, stirs extrusion molding, oven dry.
Prepared water coal cinder possesses certain compression strength in the present embodiment, even break, also can not be ground into powdery.Can hydrolysis under the prepared water coal cinder normal temperature, the coal water slurry of processing is aspect stability and calorific value, and all slightly higher than the coal water slurry of no tamanori, the parameter that the coal water slurry of processing is concrete is as shown in table 4.The coal water slurry of processing with present embodiment water coal cinder can not produced exhaust emission by abundant burning.
Table 4
Should be understood that application of the present invention is not limited to above-mentioned giving an example, concerning those of ordinary skills, can improve or conversion that all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (9)
1. the forming method of an instant water coal cinder is characterized in that, the forming method of said instant coal cinder is that the coal dust that is used to prepare coal water slurry, water and tamanori are processed the coal water slurry process of semi-finished, and the forming method of said instant coal cinder specifically may further comprise the steps:
S100, coal dust is ground;
S200, in water, add tamanori in proportion, obtain containing the solution of tamanori;
S300, in coal dust, add the said solution that contains tamanori, stir;
S400, extrusion molding, oven dry.
2. the forming method of instant water coal cinder according to claim 1 is characterized in that, among the step S200, in the solution of said tamanori, the weight ratio of tamanori and water is 0.5 ~ 5:100.
3. the forming method of instant water coal cinder according to claim 1 is characterized in that, among the step S300, said tamanori accounts for 0.5 ~ 5% of coal dust weight.
4. the forming method of instant water coal cinder according to claim 1 is characterized in that, among the step S200, in water, also adds an amount of stablizer and dispersion agent.
5. according to the forming method of the arbitrary described instant water coal cinder of claim 1 ~ 4, it is characterized in that said tamanori is a treated starch.
6. instant water coal cinder, said instant water coal cinder is the work in-process that are used to prepare coal water slurry, it is characterized in that, said instant water coal cinder is to adopt the described forming method of claim 1 to be prepared from.
7. instant water coal cinder according to claim 6 is characterized in that said water coal cinder mainly is made up of coal dust and tamanori, and wherein tamanori accounts for 0.5 ~ 5% of coal dust weight; Said coal dust is the coal dust that is used to prepare coal water slurry, and particle carefully reaches more than 200 orders.
8. instant water coal cinder according to claim 6 is characterized in that said tamanori is a treated starch.
9. instant water coal cinder according to claim 6 is characterized in that, also comprises stablizer and dispersion agent in the said water coal cinder, and said stablizer and dispersion agent account for 1 ~ 2% of coal dust weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101028700A CN102618343A (en) | 2012-04-10 | 2012-04-10 | Instant water coal briquette and molding method thereof |
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| CN2012101028700A CN102618343A (en) | 2012-04-10 | 2012-04-10 | Instant water coal briquette and molding method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965171A (en) * | 2012-11-19 | 2013-03-13 | 煤炭科学研究总院 | Binder special for coal briquette for Lurgi pressurized gasification |
| CN104194848A (en) * | 2014-09-18 | 2014-12-10 | 陕西科技大学 | Easily soluble coal water slurry dispersant powder and preparation method thereof |
| CN113575352A (en) * | 2021-07-30 | 2021-11-02 | 厦门海石生态环境股份有限公司 | Method for producing artificial mixed planting soil by using mine wastes |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042175A (en) * | 1987-10-28 | 1990-05-16 | 煤炭工业(专利)有限公司 | Briquetting process |
| CN1043521A (en) * | 1988-12-22 | 1990-07-04 | 中国科学院山西煤炭化学研究所 | The preparation method of moulded coal |
| CN1074701A (en) * | 1992-11-15 | 1993-07-28 | 杨传淼 | High-effect moulding coal and manufacture method thereof |
| CN1211614A (en) * | 1997-09-12 | 1999-03-24 | 陆骥良 | Compound coal and its manufacture technique |
-
2012
- 2012-04-10 CN CN2012101028700A patent/CN102618343A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042175A (en) * | 1987-10-28 | 1990-05-16 | 煤炭工业(专利)有限公司 | Briquetting process |
| CN1043521A (en) * | 1988-12-22 | 1990-07-04 | 中国科学院山西煤炭化学研究所 | The preparation method of moulded coal |
| CN1074701A (en) * | 1992-11-15 | 1993-07-28 | 杨传淼 | High-effect moulding coal and manufacture method thereof |
| CN1211614A (en) * | 1997-09-12 | 1999-03-24 | 陆骥良 | Compound coal and its manufacture technique |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965171A (en) * | 2012-11-19 | 2013-03-13 | 煤炭科学研究总院 | Binder special for coal briquette for Lurgi pressurized gasification |
| CN104194848A (en) * | 2014-09-18 | 2014-12-10 | 陕西科技大学 | Easily soluble coal water slurry dispersant powder and preparation method thereof |
| CN113575352A (en) * | 2021-07-30 | 2021-11-02 | 厦门海石生态环境股份有限公司 | Method for producing artificial mixed planting soil by using mine wastes |
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Owner name: SHENZHEN ZHENNENG HEAT SOURCE CO., LTD. Free format text: FORMER OWNER: LEI JUN Effective date: 20140207 |
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Effective date of registration: 20140207 Address after: 518102, Guangdong, Baoan District, Xixiang street, the Peach Garden science and Technology Innovation Park, No. 4 research and development center, three, A, Shenzhen Applicant after: Shenzhen Zhenneng Heat Source Technology Co., Ltd. Address before: 518000 building 4, R & D building, the Peach Garden science and Technology Park, Baoan District, Guangdong, Shenzhen, 3 Applicant before: Lei Jun |
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Application publication date: 20120801 |