CN1500853A - Oil for fuel preparation modified from coke tar refuse in cokeoven plant and preparing method thereof - Google Patents
Oil for fuel preparation modified from coke tar refuse in cokeoven plant and preparing method thereof Download PDFInfo
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- CN1500853A CN1500853A CNA021448434A CN02144843A CN1500853A CN 1500853 A CN1500853 A CN 1500853A CN A021448434 A CNA021448434 A CN A021448434A CN 02144843 A CN02144843 A CN 02144843A CN 1500853 A CN1500853 A CN 1500853A
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Abstract
The present invention discloses tar oil dreg denaturing process of producing fuel oil in cokeoven plant and aims at solving the pollution caused by tar oil dreg and converting tar oil dreg into fuel oil. The present invention features that the fuel oil is produced with tar oil dreg 60-90 wt%, diluent A 5-30 wt%, diluent B 0-10 wt% and stabilizing dispersant 0.05-0.5 wt%, and the denaturing process includes mixing tar oil dreg and diluent A in material processing tank, adding stabilizing dispersant, denaturing and grinding, adding diluent B, grinding and storing the product oil in oil storage. The present invention can reach the beneficial effect of utilizing waste tar oil dreg to produce fuel oil for industrial stove and kiln via lowering viscosity, reducing the size of coke powder, coal powder and other solid components in tar oil dreg, dissolving asphaltene, avoiding oil-water separation and oil sludge deposition, etc.
Description
Relate to the field and the present invention relates to the waste oil residue processing technology field, particularly coke-oven plant's coke tar refuse upgrading made fuel oil and preparation method thereof.
Technical background is present, and coke-oven plant's coke tar refuse is the thick solid slag that is adsorbed with coal tar that produces in the production process, mainly is made up of polycyclic aromatic hydrocarbons hydrocarbon polymer, phenol and naphthalene and coal dust, coke powder.Under the normal temperature extremely thickness be difficult to direct utilization.Because some toxicant in its composition, as far back as 1976, U.S. environment administrative authority was just definite, and coke tar refuse is indusrial toxic, harmful waste residue, and the storage and the processing of this class waste residue proposed strict restriction.
For many years, owing to lack corresponding coke tar refuse process and utilization technology, domestic coke-oven plant adopts following two kinds of approach that it is disposed usually: (1) directly sneaks into coking in the coke making and coal blending; (2) free or extremely low price transports the rural area, suburb to, uses as earth kiln fuel.First kind of approach makes coke quality produce fluctuation because the coke tar refuse thickness is difficult to batching accurately, and the thermal load of coke oven is improved.Therefore most of coke tar refuse is disposed by second kind of approach.And this method has not only been wasted resource but also polluted environment because coke tar refuse air storage and incomplete combustion pollute again the suburb surrounding enviroment.Therefore, still be environment protection and social benefit aspect no matter from economic benefit of enterprises, carry out the processing and utilization of coke tar refuse, all be necessary.
Summary of the invention technical problem to be solved by this invention is the pollution at coke-oven plant's coke tar refuse, with its coke tar refuse upgrading made fuel oil and preparation method thereof.Characteristics such as the oil fuel that this coke tar refuse upgrading is made is the fluid fuel with good combustionproperty, and its technology has that technological process is simple, less investment, floor space are little are industrial residue process and utilization technologies highly significant.
Usually, solid phase partly is that toluene insolubles accounts for 40%～50% in the coke tar refuse, and all the other are coal tar.Wherein moisture is 5%～11%, and ash content is 4%～6%, and full sulphur is 1.6%～2.5%; The density of anhydrous tar slag is 1.29～1.35g/cm
3Each coke-oven plant of coke tar refuse quality and yield is because of the different difference to some extent of shove charge coal ature of coal, fineness and coking operation technology.The coke tar refuse quality index (seeing Table 1) that table 1 scrapes for certain coke-oven plant's mechanize tar clarifying tank.
Table 1 coke tar refuse quality index
| Moisture, % | Ash content, % | Volatile matter, % | Thermal value (Qb, ad), MJ/kg | Toluene insolubles, % |
| ??8.4 | ??4.2 | ??50.1 | ??????????29.78 | ????50.53 |
As can be seen from Table 1, the solid contents of this coke tar refuse is very high, and toluene insolubles is up to 50.53%; Thermal value is 29.78MJ/kg; Moisture, ash content, volatile content are respectively 8.4%, 4.2% and 50.1%.
Coke-oven plant's coke tar refuse upgrading made fuel oil is characterized in that: coke tar refuse upgrading made fuel oil composition consists of: coke tar refuse accounts for that weight percent (as follows) 60%～90%, thinner A account for 5%～30%, diluent B accounts for 0%～10%, stable dispersant accounts for 0.05%～0.5%.
Thinner A is: coal tar, Residual oil (Residual oil between coke-oven plant's recovery vehicle), carbolineum, and diluent B is: crude benzol, heavy benzol; Stable dispersant is: the C of 10%-60%
6～18The compound of the sorbitan monooleate of alkylphenol polyoxyethylene, 28%-90% and 0%-12% alkyl sodium sulfonate.
Coke-oven plant coke tar refuse upgrading made fuel oil preparation method is characterized in that:
1, getting coke tar refuse is that main raw material accounts for 60%-90%, and coke tar refuse is by bucket elevator charging feed treatment trough, and thinner A accounts for 5%-30% and squeezes into the raw material treatment trough with volume pump; Mixture under 20～95 ℃ temperature, is handled back adding stable dispersant through 0.1～4 hour stirring viscosity reduction and is accounted for 0.05%～0.5% modifiedly in the raw material treatment trough, then its mixture is sent into grinding machine for grinding;
2, reduce the granularity of solid particulate, mixture was ground 0.5～5 hour, add diluent B by volume pump in shredder and account for 0%-10%, wherein solid particulate≤200 orders account for more than 98%;
3, shredder discontinuous operation.Each milling time 0.5～3 hour.Shredder is shut down, and drains the oil in ramp pan, after oil pump, strainer filter, sends into oil tank and stores.
The invention has the beneficial effects as follows that coke tar refuse is coke-oven plant's industrial residue; By reducing coke tar refuse viscosity, reduce the wherein granularity of solids such as coke powder, coal dust, dissolving bituminous matter has wherein been avoided oily water separation and greasy filth precipitation etc., it is reached have the pumping effect, satisfies the requirement of industrial furnace fuel.Prepared coke tar refuse oil fuel viscosity 50～330mPa.s (80 ℃), moisture≤8.0%, ash content≤5.0%, sulphur content≤1.06%, density is 1.1～1.3g/cm
3, thermal value is 29.26～37.62MJ/kg, flash-point 〉=105 ℃, and coke tar refuse oil fuel is under 80 ℃～85 ℃ temperature, and precipitation and oily water separation phenomenon do not take place in 20 days or longer time.
Description of drawings
Fig. 1 coke tar refuse oil-producing technique schema.
Embodiment
Embodiment 1
Coke-oven plant's coke tar refuse upgrading made fuel oil (see figure 1), coke tar refuse upgrading made fuel oil composition consists of: coke tar refuse accounts for that weight percent (as follows) 62%, thinner A account for 28%, diluent B accounts for 9.8%, stable dispersant accounts for 0.2%;
Thinner A is: coal tar, Residual oil, carbolineum;
Diluent B is: crude benzol, heavy benzol;
Stable dispersant is: the C of 10%-60%
6～18The compound of the sorbitan monooleate of alkylphenol polyoxyethylene, 28%-90% and 0%-12% alkyl sodium sulfonate.
Coke-oven plant coke tar refuse upgrading made fuel oil preparation method,
1, getting coke tar refuse is that main raw material accounts for 62%, and coke tar refuse is by bucket elevator charging feed treatment trough, and thinner A accounts for 28% usefulness volume pump and squeezes into the raw material treatment trough; Under 80 ℃ temperature, adding stable dispersant 0.2% is modified after 2 hours stirring viscosity reductions are handled, and then its mixture is sent in the special grinder and is ground in the raw material treatment trough for mixture;
2, reduce the granularity of solid particulate, mixture was ground 3 hours, add diluent B by volume pump in shredder and account for 9.8%, wherein solid particulate≤200 orders account for more than 98%;
3, shredder discontinuous operation.Each milling time 3 hours.Shredder is shut down, and drains the oil in ramp pan, after oil pump, strainer filter, sends into oil tank and stores.
Embodiment 2
Coke-oven plant's coke tar refuse upgrading made fuel oil, coke tar refuse upgrading made fuel oil composition consists of: coke tar refuse accounts for that weight percent (as follows) 85%, thinner A account for 10%, diluent B accounts for 4.9%, stable dispersant accounts for 0.1%;
Thinner A is: coal tar, Residual oil, carbolineum; Diluent B is: crude benzol, heavy benzol; Stable dispersant is: the C of 10%-60%
6～18The compound of the sorbitan monooleate of alkylphenol polyoxyethylene, 28%-90% and 0%-12% alkyl sodium sulfonate.Its manufacture method is with the method for embodiment 1.
Embodiment 3
Coke-oven plant's coke tar refuse upgrading made fuel oil, coke tar refuse upgrading made fuel oil composition consists of: coke tar refuse accounts for that weight percent (as follows) 75%, thinner A account for 24.9%, stable dispersant accounts for 0.1%; Thinner A is: coal tar, Residual oil, carbolineum; Diluent B is: crude benzol, heavy benzol; Stable dispersant is: the C of 10%-60%
6～18The compound of the sorbitan monooleate of alkylphenol polyoxyethylene, 28%-90% and 0%-12% alkyl sodium sulfonate.Its manufacture method is with the method for embodiment 1.
Claims (2)
1, coke-oven plant's coke tar refuse upgrading made fuel oil is characterized in that: coke tar refuse upgrading made fuel oil becomes to be grouped into weight percent and is: coke tar refuse accounts for 60%～90%, thinner A accounts for 5%～30%, diluent B accounts for 0.0%～10%, stable dispersant accounts for 0.05%～0.5%;
Thinner A is: coal tar, revivifier Residual oil, carbolineum, diluent B are crude benzol, heavy benzol; The stable dispersant weight percent is: the C of 10%-60%
6～18The compound of the sorbitan monooleate of alkylphenol polyoxyethylene, 28%-90% and 0%-12% alkyl sodium sulfonate.
2, coke-oven plant's coke tar refuse upgrading made fuel oil preparation method is characterized in that:
1), to get coke tar refuse be that main raw material accounts for weight percent 60%-90%, coke tar refuse is by bucket elevator charging feed treatment trough, thinner A accounts for weight percent 5%-30% and squeezes into the raw material treatment trough with volume pump; Under 20～95 ℃ temperature, handling back adding stable dispersant through 0.1～4 hour stirring viscosity reduction, to account for weight percent 0.05%～0.5% modified, then its mixture sent in the special grinder and ground in the raw material treatment trough for mixture;
2), reduce the granularity of solid particulate, mixture was ground 0.5～5 hour, in shredder, add diluent B by volume pump and account for weight percent 0%-10%, wherein solid particulate≤200 orders account for more than 98%;
3), shredder discontinuous operation.Each milling time 0.5～5 hour.Shredder is shut down, and drains the oil in ramp pan, after oil pump, strainer filter, sends into oil tank and stores.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 02144843 CN1226397C (en) | 2002-11-18 | 2002-11-18 | Oil for fuel preparation modified from coke tar refuse in cokeoven plant and preparing method thereof |
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| CN 02144843 CN1226397C (en) | 2002-11-18 | 2002-11-18 | Oil for fuel preparation modified from coke tar refuse in cokeoven plant and preparing method thereof |
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| CN1226397C CN1226397C (en) | 2005-11-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575537A (en) * | 2008-05-06 | 2009-11-11 | 牟艳春 | Process for producing light and heavy fuel oil and high-quality asphalt by hydrogenating coal tar at medium and low temperature |
| CN101113346B (en) * | 2006-07-28 | 2012-09-05 | 神木县三江煤化工有限责任公司 | Method for mixing for production of bunker fuel by coal oil |
| CN101629086B (en) * | 2008-07-14 | 2013-03-20 | 中煤龙化哈尔滨煤制油有限公司 | Solvent extraction process for coal tar slag |
| CN104593036A (en) * | 2015-01-06 | 2015-05-06 | 珠海市盈润环保科技有限公司 | Regenerated fuel oil extracted from waste filter cakes for producing sulfonate and preparation method of regenerated fuel oil |
-
2002
- 2002-11-18 CN CN 02144843 patent/CN1226397C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113346B (en) * | 2006-07-28 | 2012-09-05 | 神木县三江煤化工有限责任公司 | Method for mixing for production of bunker fuel by coal oil |
| CN101575537A (en) * | 2008-05-06 | 2009-11-11 | 牟艳春 | Process for producing light and heavy fuel oil and high-quality asphalt by hydrogenating coal tar at medium and low temperature |
| CN101575537B (en) * | 2008-05-06 | 2013-06-26 | 牟艳春 | Process for producing light and heavy fuel oil and high-quality asphalt by hydrogenating coal tar at medium and low temperature |
| CN101629086B (en) * | 2008-07-14 | 2013-03-20 | 中煤龙化哈尔滨煤制油有限公司 | Solvent extraction process for coal tar slag |
| CN104593036A (en) * | 2015-01-06 | 2015-05-06 | 珠海市盈润环保科技有限公司 | Regenerated fuel oil extracted from waste filter cakes for producing sulfonate and preparation method of regenerated fuel oil |
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| CN1226397C (en) | 2005-11-09 |
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