CN105462643A - Waterproof machine-made charcoal and making method thereof - Google Patents
Waterproof machine-made charcoal and making method thereof Download PDFInfo
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- CN105462643A CN105462643A CN201410518419.6A CN201410518419A CN105462643A CN 105462643 A CN105462643 A CN 105462643A CN 201410518419 A CN201410518419 A CN 201410518419A CN 105462643 A CN105462643 A CN 105462643A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses a waterproof machine-made charcoal and a making method thereof. The machine-made charcoal is rod-shaped charcoal formed through stamping carbon powder according to a formula comprising, by weight, 100 parts of the carbon powder, 1-3 parts of urea formaldehyde resin, 0.1-0.15 parts of a curing agent, 1-3 parts of sodium humate, 1-3 parts of pregelatinized starch and 30-45 parts of clear water. The making method of the rod-shaped charcoal comprises the following steps: crushing the carbon powder to 40 meshes or above; stirring the carbon powder, the urea formaldehyde resin, sodium humate and pregelatinized starch through adopting an edge runner mill for 5min to prepare mixed dry powder; stirring the curing agent and clear water to uniformly dissolve the curing agent in the clear water to prepare an aqueous solution; adding the aqueous solution to the mixed dry powder, and continuously stirring the aqueous solution and the mixed dry powder for 15min; stamping the above obtained mixture by adopting a stamping rod maker to form rod-shaped charcoal; and drying the rod-shaped charcoal by adopting a belt drying machine until the water content is 6% or below; and packaging the dried rod-shaped charcoal by weight. Sodium humate and pregelatinized starch are used to substitute parts of the urea formaldehyde resin in processing of the machine-made charcoal, so high hot and cold intensity, good waterproof effect and obvious saving of the adhesive cost are realized.
Description
Technical field
The present invention relates to machine-made charcoal processing technique field, especially a kind of waterproof type machine-made charcoal and preparation method thereof.
Background technology
Powdered carbon and binding agent are struck out carbon rod by briquetting press be used for roasting or metallurgy industry, and first bamboo wood powder is pressed into the traditional technology that rod carries out carbonization processing mechanism charcoal again and contrasts, there is the outstanding effect that facility investment is few, technique is simple, tooling cost is low.Wherein, binding agent is one of key factor determining this machine-made charcoal processing quality.Mostly adopt native starch, water glass or CMC, as binding agent, powdered carbon is processed into machine-made charcoal in the market, not only cold strength is low, and does not have waterproof action.
Application number is 201210265727.3, name is called the application for a patent for invention of the recoverying and utilizing method of wood charcoal powder " in the industrial silicon production ", discloses a kind of machine-made charcoal working method by being pressed into charcoal fourth base substrate or charcoal ball base substrate after wood charcoal powder and Precondensed UreaFormaldehyde Resin aqueous solution.Not only cold strength is high for made charcoal fourth or charcoal ball, and has good waterproof action, can meet industrial silicon production requirement.But there is the defect that Precondensed UreaFormaldehyde Resin consumption is large, cost is high.
Summary of the invention
The object of this invention is to provide a kind of realize cold strength high, there is good waterproof action while, can obviously save machine-made charcoal of binding agent cost and preparation method thereof.
Technical scheme of the present invention is: a kind of waterproof type machine-made charcoal and preparation method thereof, and described machine-made charcoal adopts following formula that powdered carbon is struck out carbon rod by weight:
Powdered carbon 100,
Precondensed UreaFormaldehyde Resin 1-3,
Solidifying agent 0.1-0.15,
Sodium salts humic acids 1-3,
Pre-gelatinized starch 1-3,
Clear water 30-45.
Described machine-made charcoal adopts following steps to process:
A. powdered carbon is crushed to more than 40 orders;
B. powdered carbon and Precondensed UreaFormaldehyde Resin, Sodium salts humic acids, pre-gelatinized starch are adopted that wheel roller stirs, rolling 5 minutes, make mixed powder;
C. solidifying agent and clear water stirring and dissolving is even, make the aqueous solution;
D. again the aqueous solution is added in mixed powder and continue stirring, rolling 15 minutes;
E. ram-type rod-made machine is adopted to strike out carbon rod;
F. conveyor dryer is adopted to be dried to water ratio less than 6%;
G. pack by weight.
Described machine-made charcoal adopts following formula that powdered carbon is struck out carbon rod by weight:
Powdered carbon 100,
Precondensed UreaFormaldehyde Resin 2,
Solidifying agent 0.12,
Sodium salts humic acids 2,
Pre-gelatinized starch 2,
Clear water 40.
Described Precondensed UreaFormaldehyde Resin is that the urea of 1:1.6-2.0 mol ratio and formaldehyde are carried out the mixture that nucleophilic addition generates various methylolurea under neutrality or slight alkalinity condition, under slightly acidic condition, carry out condensation reaction again generate linear product, obtained Precondensed UreaFormaldehyde Resin after dry.
Described solidifying agent is industrial grade ammonium chloride.
Described Sodium salts humic acids joins in reactor by the 100 parts of brown coal being crushed to more than 90 orders by weight, add the water of 200 parts, stir while be warming up to 60-85 ° of C, add 50 part of 35% sodium hydroxide solution reaction 1-2 hour, obtained Sodium salts humic acids after dry.
Described pre-gelatinized starch is that the tapioca (flour) making starch milk is stuck with paste liquid through the heat that boiling is concentration 5-8%, then sprays into the atomization drying of drying tower by high temperature and obtains the pre-gelatinized starch that fineness is more than 90 orders.
Described carbon rod is the rectangular parallelepiped of length 6-8cm, and its cross section is equilateral square, length of side 4.2cm; The medullary ray of rectangular parallelepiped is provided with the through hole of diameter 1cm along its length; Four angles of rectangular parallelepiped change into fillet.
In such scheme, powdered carbon is that ash content, the volatile matter bamboo respectively below 10% considers powdered carbon or wood chip powdered carbon to be worth doing.
In such scheme, Sodium salts humic acids system adopts the natural low magnesium brown coal of the low calcium of high-quality containing humic acids to refine through chemical reaction and forms, it is the multi-functional macromolecular compound containing the more active group such as hydroxyl, quinonyl, carboxyl, there is very large internal surface area, have stronger absorption, exchange, complexing and sequestering power.With pre-gelatinized starch with the use of, the bond effect of pre-gelatinized starch can be significantly improved.
In such scheme, pre-gelatinized starch is a kind of is raw material with native starch, forms through sex change improvement.Have solution thickening property, good aqueous solubility, suspension or with glue stability, protective colloid action, film-forming properties, water-retentivity, bond properties, nontoxic, tasteless, the much important character such as biocompatibility, thixotropy.With Precondensed UreaFormaldehyde Resin with the use of, obviously can reduce the consumption of Precondensed UreaFormaldehyde Resin, improve the tack of carbon rod and wet tenacity.
In such scheme, ram-type rod-made machine is adopted to have the outstanding advantages that facility investment is few, production efficiency is high.
In such scheme, adopt the dry carbon rod of conveyor dryer obviously can reduce energy consumption.
In such scheme, the cross section of rectangular parallelepiped carbon rod is equilateral square, and medullary ray is provided with through hole along its length, and four angles change into fillet, is applicable to conveyor dryer dry, is conducive to improving rate of drying and efficiency of combustion.
The present invention replaces part Precondensed UreaFormaldehyde Resin processing mechanism charcoal owing to adopting Sodium salts humic acids and pre-gelatinized starch, realize cold strength high, there is good waterproof action while, can obviously save binding agent cost.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Prepared by Precondensed UreaFormaldehyde Resin: the urea of 1:1.6-2.0 mol ratio and formaldehyde are carried out the mixture that nucleophilic addition generates various methylolurea under neutrality or slight alkalinity condition, under slightly acidic condition, carry out condensation reaction again generate linear product, obtained Precondensed UreaFormaldehyde Resin after dry.
Prepared by Sodium salts humic acids: join in reactor by the 100 parts of brown coal being crushed to more than 90 orders by weight, add the water of 200 parts, stir and be warming up to 75 ° of C, add 50 part of 35% sodium hydroxide solution and react 1.5 hours, obtained Sodium salts humic acids after dry.
Prepared by pre-gelatinized starch: the tapioca (flour) making starch milk is stuck with paste liquid through the heat that boiling is concentration 6%, then sprays into the atomization drying of drying tower by high temperature and obtain the pre-gelatinized starch that fineness is more than 90 orders.
Embodiment: machine-made charcoal adopts following formula that powdered carbon is struck out carbon rod by weight:
Powdered carbon 100,
Precondensed UreaFormaldehyde Resin 2,
Solidifying agent 0.12,
Sodium salts humic acids 2,
Pre-gelatinized starch 2,
Clear water 40.
Machine-made charcoal adopts following steps to process:
A. powdered carbon is crushed to more than 40 orders;
B. adopt wheel roller to stir 5 minutes powdered carbon and Precondensed UreaFormaldehyde Resin, Sodium salts humic acids, pre-gelatinized starch, make mixed powder;
C. solidifying agent and clear water stirring and dissolving is even, make the aqueous solution;
D. again the aqueous solution is added in mixed powder and continue stirring 15 minutes;
E. ram-type rod-made machine is adopted to strike out carbon rod;
F. conveyor dryer is adopted to be dried to water ratio less than 6%;
G. pack by weight.
Carbon rod is the rectangular parallelepiped of length 7cm, and its cross section is equilateral square, length of side 4.2cm; The medullary ray of rectangular parallelepiped is provided with the through hole of diameter 1cm along its length; Four angles of rectangular parallelepiped change into fillet.
Claims (7)
1. waterproof type machine-made charcoal and preparation method thereof, is characterized in that, described machine-made charcoal adopts following formula that powdered carbon is struck out carbon rod by weight:
Powdered carbon 100,
Precondensed UreaFormaldehyde Resin 1-3,
Solidifying agent 0.1-0.15,
Sodium salts humic acids 1-3,
Pre-gelatinized starch 1-3,
Clear water 30-45;
Described machine-made charcoal adopts following steps to process:
A. powdered carbon is crushed to more than 40 orders;
B. powdered carbon and Precondensed UreaFormaldehyde Resin, Sodium salts humic acids, pre-gelatinized starch are adopted that wheel roller stirs, rolling 5 minutes, make mixed powder;
C. solidifying agent and clear water stirring and dissolving is even, make the aqueous solution;
D. again the aqueous solution is added in mixed powder and continue stirring, rolling 15 minutes;
E. ram-type rod-made machine is adopted to strike out carbon rod;
F. conveyor dryer is adopted to be dried to water ratio less than 6%;
G. pack by weight.
2. a kind of waterproof type machine-made charcoal according to claim 1 and preparation method thereof, is characterized in that: described machine-made charcoal adopts following formula that powdered carbon is struck out carbon rod by weight:
Powdered carbon 100,
Precondensed UreaFormaldehyde Resin 2,
Solidifying agent 0.12,
Sodium salts humic acids 2,
Pre-gelatinized starch 2,
Clear water 40.
3. a kind of waterproof type machine-made charcoal according to claim 1 and 2 and preparation method thereof, it is characterized in that: described Precondensed UreaFormaldehyde Resin is that the urea of 1:1.6-2.0 mol ratio and formaldehyde are carried out the mixture that nucleophilic addition generates various methylolurea under neutrality or slight alkalinity condition, under slightly acidic condition, carry out condensation reaction again generate linear product, obtained Precondensed UreaFormaldehyde Resin after dry.
4. a kind of waterproof type machine-made charcoal according to claim 1 and 2 and preparation method thereof, is characterized in that: described solidifying agent is industrial grade ammonium chloride.
5. a kind of waterproof type machine-made charcoal according to claim 1 and 2 and preparation method thereof, it is characterized in that: described Sodium salts humic acids joins in reactor by the 100 parts of brown coal being crushed to more than 90 orders by weight, add the water of 200 parts, stir while be warming up to 60-85 ° of C, add 50 part of 35% sodium hydroxide solution reaction 1-2 hour, obtained Sodium salts humic acids after dry.
6. a kind of waterproof type machine-made charcoal according to claim 1 and 2 and preparation method thereof, it is characterized in that: described pre-gelatinized starch is that the tapioca (flour) making starch milk is stuck with paste liquid through the heat that boiling is concentration 5-8%, then sprays into the atomization drying of drying tower by high temperature and obtains the pre-gelatinized starch that fineness is more than 90 orders.
7. a kind of waterproof type machine-made charcoal according to claim 1 and 2 and preparation method thereof, it is characterized in that: described carbon rod is the rectangular parallelepiped of length 6-8cm, its cross section is equilateral square, length of side 4.2cm; The medullary ray of rectangular parallelepiped is provided with the through hole of diameter 1cm along its length; Four angles of rectangular parallelepiped change into fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410518419.6A CN105462643A (en) | 2014-10-03 | 2014-10-03 | Waterproof machine-made charcoal and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410518419.6A CN105462643A (en) | 2014-10-03 | 2014-10-03 | Waterproof machine-made charcoal and making method thereof |
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| CN105462643A true CN105462643A (en) | 2016-04-06 |
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| CN201410518419.6A Pending CN105462643A (en) | 2014-10-03 | 2014-10-03 | Waterproof machine-made charcoal and making method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892547A (en) * | 2017-03-22 | 2017-06-27 | 陈宣盛 | The method that fermentation waste sludge prepares high-performance moulded coal |
| CN110643384A (en) * | 2018-06-26 | 2020-01-03 | 宝山钢铁股份有限公司 | Synthesis and use method of coke making blended coal colloid additive |
-
2014
- 2014-10-03 CN CN201410518419.6A patent/CN105462643A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892547A (en) * | 2017-03-22 | 2017-06-27 | 陈宣盛 | The method that fermentation waste sludge prepares high-performance moulded coal |
| CN110643384A (en) * | 2018-06-26 | 2020-01-03 | 宝山钢铁股份有限公司 | Synthesis and use method of coke making blended coal colloid additive |
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