CN101696364A - Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof - Google Patents
Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof Download PDFInfo
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- CN101696364A CN101696364A CN200910070888A CN200910070888A CN101696364A CN 101696364 A CN101696364 A CN 101696364A CN 200910070888 A CN200910070888 A CN 200910070888A CN 200910070888 A CN200910070888 A CN 200910070888A CN 101696364 A CN101696364 A CN 101696364A
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Abstract
The invention relates to metallurgical lump coke bonding agent manufactured by using coke powder and a preparation method thereof and belongs to the metallurgical coke bonding agent preparation technology. The bonding agent comprises the following components: 2 to 5 percent of corn starch, 10 to 20 percent of bentonite, 20 to 32 percent of pulverized bituminous coal, 0.03 to 0.05 percent of sodium carbonate and 30 to 45 percent of water. The preparation method comprises: according to the mass ratio of the corn starch to the bentonite to the bituminous coal to the sodium carbonate and to the water, mixing the water, the corn starch and the sodium carbonate at normal temperature, stirring the mixture uniformly and heating the mixture to 50 to 80 DEG C, wherein in the heating process, the mixture is stirred constantly to be made into starch; stirring and uniformly mixing the starch, the bentonite and the bituminous coal by using a stirrer to make paste, namely, the metallurgical lump coke bonding agent manufactured by using coke powder. The method has the advantages that: the preparation process is simple, the raw material is readily available; the prepared bonding agent is free from elements harmful to steel melting; the metallurgical lump cokes made by bonding coke powder has high fixed carbon content, high temperature resistance and good combustion performance.
Description
Technical field
The present invention relates to a kind of binding agent of making metallurgical lump with the broken end of coke and preparation method thereof, belong to preparation metallurgical coke bonding agent technical field.
Background technology
Coke is the important source material of metallurgy industry, in the transportation loading and unloading process, has 10%～15% coke can become broken breeze approximately.According to the pertinent data introduction, the broken breeze output in China every year is more than 5,000 ten thousand tons.Be subjected to the quality and the particle size restrictions of metallurgical coke, a large amount of broken breezes can only be handled as low-grade fuel, or carry out the secondary coking as the coking raw material.
Utilizing broken breeze moulding metallurgical lump, is a coal deep process technology with high content of technology, that added value is big, also is one of important topic of area research such as coal chemistry tackling key problem, has important social benefit and economic benefit.One of its key problem in technology is the composition of binding agent.
China's practical technique market net (www.kjchina.com/mtlj02.htm) has been introduced several patented technologies of utilizing broken breeze moulding metallurgical lump.Forming method mainly contains two kinds of hydrostatic profile and extrusion moldings, and used binding agent mainly contains:
(1) be the binding agent that main raw is made with pitch and coal tar;
(2) be the binding agent that main raw is made with wilkinite and spent pulping liquor;
(3) be the binding agent that main raw is made with silicate cement, water and additive;
(4) be the binding agent that main raw is made with water, Sodium salts humic acids, cationic starch, wilkinite, water glass, ZCM-1 type water-soluble flocculant and CO (carbon monoxide converter) combustion promoter;
(5) be the binding agent that main raw is made with sodium silicate, sodium lauryl sulphate, Sodium Silicofluoride and water;
(6) be the binding agent that main raw is made with Walocel MT 20.000PV, wilkinite and blender;
(7) be the binding agent that main raw is made with magnesium oxide, magnesium chloride, water glass, urea, cement and water;
(8) be the binding agent that main raw is made with pitch, aluminium hydroxide, kaolin and bauxitic clay.
Adopt the prepared lump coke of above-mentioned binding agent, or it is low or to exist normal temperature strength low or to exist hot strength low or exist the not good problem of combustionproperty to exist fixed carbon content.
Summary of the invention
The object of the present invention is to provide a kind of with broken last binding agent of making metallurgical lump of coke and preparation method thereof.Described binding agent has fixed carbon content height, heatproof intensity is good and combustionproperty is good characteristics in order to the preparation metallurgical lump.Described preparation method's process is simple.
The present invention is realized that by the following technical programs a kind of binding agent with the broken end manufacturing of coke metallurgical lump is characterized in that this binding agent is made up of following component and each constituent mass percentage ratio:
W-Gum is 2%～5%; Wilkinite is 10%～20%; Caking index (G
R.I.) 75 bituminous coal powder is 20%～32%; Soda ash NaOH is 0.03%～0.05%; Water is 30%～45%, and each constituent mass percentage ratio sum is absolutely.
The preparation method of above-mentioned binding agent is characterized in that comprising following process:
By W-Gum: wilkinite: the bituminous coal powder of caking index 75: soda ash: the mass ratio of water is 2～5: 20～32: 30～45: 0.0003～0.0005: 30～45, water, W-Gum and soda ash mixing and stirring, be heated to 50 ℃～80 ℃ then at normal temperatures.In heat-processed, stirred 30～40 minutes for 20～30 rev/mins, make it to become paste with stirring velocity.With stirrer paste, wilkinite and pulverized bituminous coal were stirred 5～8 minutes for 30 rev/mins with stirring velocity then, make it to be mixed into cream mud shape, promptly become the binding agent of making metallurgical lump with the broken end of coke.
The invention has the advantages that preparation process is simple, raw material is easy to get, and does not contain in the binding agent that makes the deleterious composition of smelting iron and steel, and the metallurgical lump that the broken end of coke that is used to bond makes has fixed carbon content height, heatproof intensity is good and combustionproperty is good characteristics.
Embodiment
Embodiment 1
50kg water, 6kg starch and 0.06kg soda ash are mixed, be heated to 60 ℃, constantly stirred 30 minutes in heat-processed, stirring velocity is 20 rev/mins, makes it to become paste.And then be made paste and 30kg wilkinite, caking index that 75 bituminous coal powder (greater than 100 orders) 50kg mixes, and stirred 5 minutes with 30 rev/mins rotating speed, make the full and uniform one-tenth paste of mixture, obtain the lump coke binding agent.
Embodiment 2
50kg water, 6kg starch and 0.06kg soda ash are mixed, be heated to 60 ℃, constantly stirred 30 minutes in heat-processed, stirring velocity is 20 rev/mins, makes it to become paste.And then be made paste and 40kg wilkinite, caking index that 75 bituminous coal powder (greater than 100 orders) 60kg mixes, and stirred 5 minutes with 30 rev/mins rotating speed, make the full and uniform one-tenth paste of mixture, obtain the lump coke binding agent.
Embodiment 3
50kg water, 6kg starch and 0.06kg soda ash are mixed, be heated to 60 ℃, constantly stirred 30 minutes in heat-processed, stirring velocity is 30 rev/mins, makes it to become paste.And then be made paste and 50kg wilkinite, caking index that 75 bituminous coal powder (greater than 100 orders) 40kg mixes, and stirred 5 minutes with 30 rev/mins speed, make the full and uniform one-tenth paste of mixture, obtain the lump coke binding agent.
Embodiment 4
50kg water, 8kg starch and 0.08kg soda ash are mixed, be heated to 60 ℃, constantly stirred 30 minutes in heat-processed, stirring velocity is 20 rev/mins, makes it to become paste.And then be made paste and 30kg wilkinite, caking index that 75 bituminous coal powder (greater than 100 orders) 40kg mixes, and stirred 5 minutes with 30 rev/mins speed, make the full and uniform one-tenth paste of mixture, obtain the lump coke binding agent.
Claims (2)
1. make the binding agent of metallurgical lump with the broken end of coke for one kind, it is characterized in that this binding agent is made up of following component and each constituent mass percentage ratio:
W-Gum is 2%～5%; Wilkinite is 10%～20%; The bituminous coal powder of caking index 75 is 20%～32%; Soda ash NaOH is 0.03%～0.05%; Water is 30%～45%, and each constituent mass percentage ratio sum is absolutely.
2. by the described preparation method who makes the binding agent of metallurgical lump with the broken end of coke of claim 1, it is characterized in that comprising following process: by W-Gum: wilkinite: the bituminous coal powder of caking index 75: soda ash: the mass ratio of water is 2～5: 10～20: 20～32: 0.0003～0.0005: 30～45, at normal temperatures water, W-Gum and soda ash mixing and stirring, be heated to 50 ℃～80 ℃ then, in heat-processed, stirred 30～40 minutes for 20～30 rev/mins with stirring velocity, make it to become paste, use stirrer paste then, wilkinite and bituminous coal powder stirred 5～8 minutes for 30 rev/mins with stirring velocity, make it to be mixed into cream mud shape, promptly become the binding agent of making metallurgical lump with the broken end of coke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910070888A CN101696364A (en) | 2009-10-21 | 2009-10-21 | Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910070888A CN101696364A (en) | 2009-10-21 | 2009-10-21 | Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof |
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| CN101696364A true CN101696364A (en) | 2010-04-21 |
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| CN200910070888A Pending CN101696364A (en) | 2009-10-21 | 2009-10-21 | Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234720A (en) * | 2011-07-18 | 2011-11-09 | 长安大学 | Pellet binder prepared from residues in direct coal liquefaction process and preparation method thereof |
| CN102492520A (en) * | 2011-12-07 | 2012-06-13 | 王变成 | Efficiently polymerized combustion-supporting additive and energy-saving ecological energy fuel |
| CN102925237A (en) * | 2012-11-13 | 2013-02-13 | 中国神华能源股份有限公司 | Pulverized coal forming binder and bonding method for pulverized coal forming |
| CN108300531A (en) * | 2018-02-07 | 2018-07-20 | 福建工程学院 | A kind of composite coal binder and preparation method thereof |
| CN111363599A (en) * | 2020-04-15 | 2020-07-03 | 宁夏中润工贸有限公司 | Novel formed coke adhesive and method for preparing formed coke by using same |
-
2009
- 2009-10-21 CN CN200910070888A patent/CN101696364A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234720A (en) * | 2011-07-18 | 2011-11-09 | 长安大学 | Pellet binder prepared from residues in direct coal liquefaction process and preparation method thereof |
| CN102234720B (en) * | 2011-07-18 | 2012-12-12 | 长安大学 | Pellet binder prepared from residues in direct coal liquefaction process and preparation method thereof |
| CN102492520A (en) * | 2011-12-07 | 2012-06-13 | 王变成 | Efficiently polymerized combustion-supporting additive and energy-saving ecological energy fuel |
| CN102492520B (en) * | 2011-12-07 | 2014-08-06 | 王变成 | Energy-saving ecological energy fuel |
| CN102925237A (en) * | 2012-11-13 | 2013-02-13 | 中国神华能源股份有限公司 | Pulverized coal forming binder and bonding method for pulverized coal forming |
| CN108300531A (en) * | 2018-02-07 | 2018-07-20 | 福建工程学院 | A kind of composite coal binder and preparation method thereof |
| CN108300531B (en) * | 2018-02-07 | 2020-05-19 | 福建工程学院 | Composite briquette adhesive and preparation method thereof |
| CN111363599A (en) * | 2020-04-15 | 2020-07-03 | 宁夏中润工贸有限公司 | Novel formed coke adhesive and method for preparing formed coke by using same |
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Application publication date: 20100421 |