CN103394302B - A kind of homogenizer of oil shale powder and homogenization process - Google Patents
A kind of homogenizer of oil shale powder and homogenization process Download PDFInfo
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- CN103394302B CN103394302B CN201310308558.1A CN201310308558A CN103394302B CN 103394302 B CN103394302 B CN 103394302B CN 201310308558 A CN201310308558 A CN 201310308558A CN 103394302 B CN103394302 B CN 103394302B
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Abstract
A kind of homogenizer of oil shale powder and homogenization process, it is characterized in that this device is primarily of the main parts size composition such as levelling chamber, discharge chamber, high-order discharger, low level discharger, weak gas charging system, strong gas charging system, multiple open-type inflatable box, Roots blower in circle storehouse and circle storehouse, utilize said apparatus, the oil shale powder entered in round storehouse is fully mixed by the inflation by aeration tank, and by drawing off continuously with the high-order discharger that is connected of circle storehouse.Use the present invention can make the fluctuation range of oil content in oil shale powder be reduced to ± less than 0.2%, homogenization coefficient can reach 8 ~ 13.
Description
Technical field
The present invention relates to homogenizer and the homogenization process of powder, particularly a kind of homogenizer of oil shale powder and homogenization process.
Background technology
Oil is one of important strategic resource of China.2012, crude oil in China demand was more than 500,000,000 tons, and imported crude oil 2.8 hundred million tons, external dependence degree 56%, along with the continuous exploitation of crude oil, the external dependence degree of crude oil in China will be more and more higher.
China's oil shale storage capacity is huge, and it will be the important supplement to crude oil that oil shale carries oil.At present, the oil shale of China is put forward oily level of industrial technology and is fallen behind, and most employing shaft furnace production also has only a few to adopt fluidized bed furnace to produce, but that production method that don't work, all can cause the waste of granule wax shale and cause secondary pollution.In recent years, along with the progress of technology, some investors will utilize suspension roasting technology, maybe will build large-scale oil shale Ti You enterprise successively.Technique before suspension roasting is exactly oil shale mine grinding powdering, and to make powder composition relatively stable; But be subject to the impact of each ore deposit point oil shale composition or mining technology, its composition is made to fluctuate unavoidably larger, the particularly fluctuation of oil content, carbon content and hydrogen content, can make baking operation become difficulty, but also can have influence on oily grade, oil productivity and operation cost.
Summary of the invention
The object of this invention is homogenizer and the homogenization process that will provide a kind of oil shale powder, object be by grinding after the abundant homogenizing of oil shale powder, oil shale powder chemical composition stability after homogenizing, improve the operating condition of roaster, reduce labour intensity, improve the quality of oil productivity and oil, cut operating costs, increase economic efficiency.
The invention discloses a kind of homogenizer of oil shale powder, mainly comprise supplied materials system (1), distributing device (2), blast pipe (3), circle storehouse (4), levelling chamber (5), levelling chamber's discharging opening (5-2), discharge chamber (5-1), high-order discharger (6), low level discharger (7), weak gas charging system (8), strong gas charging system (9), sphenoid open-type inflatable box (10), first cuboid open-type inflatable box group (11), second cuboid open-type inflatable box group (12), inflation connecting pipe (13) in circle storehouse, connecting pipe (14) and 2 air distributors are inflated in levelling chamber, the compositions such as 3 Roots blowers and 10 electrically operated valves.As shown in Figure 1, Figure 2 and Figure 3, in said apparatus, the import of distributing device (2) is communicated with supplied materials system (1), each outlet of distributing device (2) is communicated with circle storehouse top board (4-2), blast pipe (3) is arranged along circle storehouse cylindrical shell (4-1) inwall perpendicular to discharge chamber top board (5-4), and one end is communicated with discharge chamber through discharge chamber top board (5-4), the other end is in communication with the outside through circle storehouse top board (4-2), the center line of levelling chamber (5) and circle storehouse (4) centerline are on same vertical line, levelling chamber (5) bottom is levelling chamber's cylinder (5-5), levelling chamber (5) top is levelling chamber's cone (5-6), levelling chamber's base plate (5-7) is fixed with cuboid open-type inflatable box group (11), levelling chamber's cone (5-6) side has the levelling chamber's discharging opening (5-2) be communicated with discharge chamber (5-1), discharge chamber base plate (5-8) is fixed with cuboid open-type inflatable box group (12), the top of discharge chamber (5-1) is communicated with high-order discharger (6) through circle storehouse cylindrical shell (4-1), the bottom of discharge chamber (5-1) is communicated with low level discharger (7) through circle storehouse cylindrical shell (4-1), levelling chamber's cylinder (5-5) bottom has multiple charging aperture (5-3), the sphenoid open-type inflatable box (10) be fixed on inclined-plane, round storehouse base plate (4-3) is communicated with first air distributor (8-2A) of the first weak gas charging system by pipeline, first air distributor (8-2A) is communicated with the first Roots blower (8-1A) by pipeline, the cuboid open-type inflatable box group (11) and the cuboid open-type inflatable box (12) be fixed on discharge chamber base plate (5-8) that are fixed on levelling chamber's base plate (5-7) are communicated with second air distributor (8-2B) of the second weak gas charging system by pipeline, second air distributor (8-2B) is communicated with the second Roots blower (8-1B) by pipeline, enter the air of sphenoid open-type inflatable box (10) respectively to A and a, B and b, C and c, D and d region is for equal wind transmission, strong gas charging system (9) comprises the 3rd Roots blower (9-1), 9th electrically operated valve (9-2) and the tenth electrically operated valve (9-3), air blast to be supplied by connecting pipe and the 9th electrically operated valve (9-2) and the tenth electrically operated valve (9-3) the cuboid open-type inflatable box group (11) that is fixed on levelling chamber's base plate (5-7) and is fixed in the cuboid open-type inflatable box (12) on discharge chamber base plate (5-8) by the 3rd Roots blower (9-1) respectively, the air entering cuboid open-type inflatable box group (11) is that levelling chamber (5) provides equal wind transmission, the air entering cuboid open-type inflatable box (12) is that discharge chamber (5-1) provides equal wind transmission.
In said apparatus, the gradient of circle inclined-plane, storehouse base plate is 10 ~ 20 °, and the gradient of circle large inclined-plane, storehouse base plate is 60 ~ 70 °, so that the flowing of material, circle bottom of the reservior part becomes several inflatable regions.
The using method of device of the present invention is:
1, a kind of homogenization process of oil shale powder, it is characterized in that using aforesaid device, be-88 μm≤12% by fineness, the oil shale powder of attached water≤1% enters into distributing device (2) from supplied materials system (1), be discharged in round storehouse (4) equably by distributing device (2), feed to 4 ~ 6m under circle storehouse top board (4-2), open the first and second weak gas charging systems (8), by inflating connecting pipe (13) and sphenoid open-type inflatable box (10) in storehouse, adopt in " to the method for blowing " Xiang Yuanku (4) and inflate, specifically as shown in Figure 2, first to A-a region inflation 3 ~ 6min, other region does not now have wind to be blown into, after completing A-a blowing inflation, enter next to the blowing inflation of B-b region immediately, inflationtime is identical with A-a region, until complete after the blowing inflation of C-c and D-d region, enter next circulation, the material in circle storehouse will be made so fully to suspend and to seethe homogenizing, in every two region gas replenishment processes, capital makes the material in these two regions seethe and enters levelling chamber by levelling chamber's charging aperture, Roots blower is gases used is fresh air.
2, after weak gas charging system (8) opens 10-15 minute, need to open strong gas charging system (9), now weak gas charging system also must run, and inflate in circle storehouse incessantly, air blast is supplied respectively the cuboid open-type inflatable box group (11) that is fixed on levelling chamber's base plate (5-7) and be fixed in the cuboid open-type inflatable box (12) on discharge chamber base plate (5-8), make the material fully fluidization again entering levelling chamber, and enter discharge chamber from cone discharging opening levelling chamber, the powder of mixing is continuously drawn off by the high-order discharger be connected with circle storehouse, when needs are cleared up, residual material draws off from low level discharger.
The device of this invention is provided with distributing device at circle cylindrical shell top, storehouse, circle inclined-plane, storehouse base plate is provided with aeration tank, levelling chamber, discharge chamber, and design and provide equal wind transmission by Roots blower and air distributor for it, therefore the significant substantial advance that made homogenizing technology have, compared with not arranging the instrument and supplies of oil shale powder leveling device, tool had the following advantages in the past.
(1) can make the fluctuation range of oil content in oil shale powder by ± 2% ~ ± 6% being reduced to ± less than 0.2%, carbon content fluctuation range ± 12% is reduced to ± less than 0.25%, and homogenization coefficient can reach 8 ~ 13;
(2) material component is uniform and stable, good basis has been established in production for next process, adopt this Homogenization Mean reduced investment, compare can save 15 ~ 20% than other homogenizing storehouse, power consumption is economized, general greatly can improve the operating condition of roaster at 0.15 ~ 0.30kWh/t, reduce labour intensity;
(3) oil-collecting ratio can bring up to more than 93% by present 70% ~ 75%, and the quality of oil can bring up to 9800 ~ 10100kCal/kg from 9500 ~ 9600kCal/kg, remarkable in economical benefits.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the open-type inflatable box schematic diagram be arranged in apparatus of the present invention on base plate;
Fig. 3 is the weak gas charging system schematic diagram of apparatus of the present invention;
Fig. 4 is the strong gas charging system schematic diagram of apparatus of the present invention.
In Fig. 1 and Fig. 2, 1 is supplied materials system, 2 is distributing device, 3 is blast pipe, 4 is the round storehouse of reinforced concrete material, 4-1 is circle storehouse cylindrical shell, 4-2 is circle storehouse top board, 4-3 is circle inclined-plane, storehouse base plate, 4-4 is circle large inclined-plane, storehouse base plate, 5 is levelling chamber, 5-1 is discharge chamber, 5-2 is levelling chamber's discharging opening, 5-3 is levelling chamber's charging aperture, 5-4 is discharge chamber top board, 5-5 is cylinder under levelling chamber, 5-6 is cone in levelling chamber, 5-7 is levelling chamber's base plate, 5-8 is discharge chamber base plate, 6 is high-order discharger, 7 is low level discharger, 8 is weak gas charging system, wherein in the first weak gas charging system, 8-1A is the first Roots blower, 8-2A is the first air distributor, 8-3A, 8-4A, 8-5A and 8-6A is respectively first, second, third and fourth electrically operated valve, in second weak gas charging system, 8-1B is the second Roots blower, 8-2B is the second air distributor, 8-3B, 8-4B, 8-5B and 8-6B is respectively the 5th, 6th, 7th and the 8th electrically operated valve, 9 is strong gas charging system, wherein 9-1 is the 3rd Roots blower, 9-2 and 9-3 is respectively the 9th and the tenth electrically operated valve, 10 is sphenoid open-type inflatable box, 11 is the first cuboid open-type inflatable box group, 12 is the second cuboid open-type inflatable box group, 13 is inflation connecting pipe in circle storehouse, 14 is inflate connecting pipe in levelling chamber.
Detailed description of the invention
Embodiment below in conjunction with this invention is described in detail, but protection scope of the present invention can not limit by example because of the change in levelling chamber and open-type inflatable box pattern.
Reinforced concrete circle storehouse specification in the embodiment of the present invention is φ 18 × 48m(height).
Levelling chamber cylinder diameter phi 7000mm in the embodiment of the present invention, be highly 4500mm, cone angle 60 °, discharge chamber specification is 1800(W) × 5500(L) × 6450(H) mm, levelling chamber's discharging opening specification is 2200(W) × 3500(H) mm, levelling chamber has 36 charging apertures, and each specification is 500(W) × 750(H) mm.
High-order discharger in the embodiment of the present invention and low level discharger specification are B500 × 2200mm.
Weak gas charging system in the embodiment of the present invention by the first and second Roots blowers, the first and second air distributors, the first to the eight electrically operated valve by pipe to connecting to form, wherein: Roots blower specification is all Q=42.5m
3/ min, P=49kPa, the specification of air distributor is single 4 mouths, and the specification of electrically operated valve is DN80, PN0.6MPa.
Strong gas charging system in the embodiment of the present invention is connected to form by pipeline by the 3rd Roots blower, the 9th and the tenth electrically operated valve, wherein: Roots blower is specification is Q=27m
3/ min, P=98kPa, the specification of electrically operated valve is DN100, PN0.6MPa.
Sphenoid open-type inflatable box specification in the embodiment of the present invention is B600/B400 × 3000 × 90(H) mm, have 36.
The first cuboid open-type inflatable box group specification B400 in the embodiment of the present invention, length 600 ~ 6000mm not etc., do not have 12.
Second cuboid open-type inflatable box group specification B400 × 2200mm in the embodiment of the present invention, has 6.
Blast pipe specification in the embodiment of the present invention is φ 600 × 36500mm.
The round storehouse available capacity 10000t of the homogenizer of the oil shale powder in the embodiment of the present invention.
Embodiment 1
The homogenizer structural representation of oil shale powder is as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, comprise supplied materials system (1), distributing device (2), blast pipe (3), circle storehouse (4), levelling chamber (5), discharge chamber (5-1), levelling chamber's discharging opening (5-2), levelling chamber's charging aperture (5-3), discharge chamber top board (5-4), cylinder (5-5) under levelling chamber, cone (5-6) in levelling chamber, levelling chamber's base plate (5-7), discharge chamber base plate (5-8), high-order discharger (6), low level discharger (7), weak gas charging system (8), strong gas charging system (9), sphenoid open-type inflatable box (10), first cuboid open-type inflatable box group (11), second cuboid open-type inflatable box group (12), inflation connecting pipe (13) in circle storehouse, connecting pipe (14) is inflated in levelling chamber.
Weak gas charging system (8) in said apparatus comprises the first Roots blower (8-1A), first air distributor (8-2A), first electrically operated valve (8-3A), second electrically operated valve (8-4A), 3rd electrically operated valve (8-5A) and the 4th electrically operated valve (8-6A), second Roots blower (8-1B), second air distributor (8-2B), 5th electrically operated valve (8-3B), 6th electrically operated valve (8-4B), 7th electrically operated valve (8-5B) and the 8th electrically operated valve (8-6B), strong gas charging system (9) in said apparatus comprises the 3rd Roots blower (9-1), 9th electrically operated valve (9-2) and the tenth electrically operated valve (9-3).
In said apparatus, levelling chamber (5) is communicated with discharge chamber (5-1) by levelling chamber's discharging opening (5-2), and high-order discharger (6) is communicated with discharge chamber (5-1) by circle storehouse cylindrical shell (4-1) with low level discharger (7).
In said apparatus, discharge chamber top board (5-4) is communicated with circle storehouse top board (4-2) by blast pipe 3.
In said apparatus, sphenoid open-type inflatable box (10), the first cuboid open-type inflatable box group (11) and the second cuboid open-type inflatable box group (12) are separately fixed at above inclined-plane, round storehouse base plate (4-3), levelling chamber's base plate (5-7) and discharge chamber base plate (5-8).
Device of the present invention is provided with distributing device at circle top, storehouse, and bottom is provided with inflatable region, levelling chamber, discharge chamber etc. and arranges Roots blower and air distributor provides equal wind transmission for it.With do not arrange compared with oil shale powder leveling device, can make the fluctuation range of oil content in oil shale powder by ± 2% ~ ± 6% being reduced to ± less than 0.2%, carbon content ± 3% ~ ± 12% is reduced to ± and less than 0.25%, greatly can improve the operating condition of roaster, reduce labour intensity; Oil-collecting ratio can bring up to more than 93% by present 70% ~ 75%, and the quality of oil can bring up to 9800 ~ 10100kCal/kg from 9500 ~ 9600kCal/kg, considerably improves economic benefit.
The homogenization process of oil shale powder, its feature is made up of following step: supplied materials enters in the cylindrical shell of round storehouse through distributing device, levelling chamber is provided with in the cylindrical shell of circle storehouse, bottom is provided with inflatable region, be respectively A, B, C, D, a, b, c, d district, material draws off through high-position discharge valve through circle storehouse, levelling chamber, discharge chamber successively, arranges Roots blower and air distributor for circle storehouse, levelling chamber and discharge chamber and provides equal wind transmission.Be specially: three Roots blowers supplying homogenizing wind system to be connected by connecting pipe, two air distributors, 10 electrically operated valves form.Wherein Roots blower, a list four mouth air distributor and four electrically operated valves form the first weak gas charging system; An other Roots blower, a list four mouth air distributor and four electrically operated valves form the second weak gas charging system; A Roots blower and two electrically operated valves form strong gas charging system.Eight air outlet slits of the single four mouth air distributors in the first weak gas charging system are connected with the sphenoid open-type inflatable box in A, B, C, D region with pipeline by four electrically operated valves; Eight air outlet slits of the single four mouth air distributors in the second weak gas charging system are connected with the sphenoid open-type inflatable box in a, b, c, d region with pipeline by four electrically operated valves; Strong gas charging system, directly by Roots blower air feed, is connected with cuboid open-type inflatable box group in cuboid open-type inflatable box group in levelling chamber and discharge chamber with pipeline respectively by valve.When the first weak gas charging system is a-quadrant air feed in circle storehouse, just in time the second weak gas charging system also to reinforced concrete circle storehouse in a region air feed (alphabetical A in accompanying drawing 1, B ... c, alphabetical A in d and accompanying drawing 2, B ... c, d one_to_one corresponding), so just achieve the inflation of A and a inflatable region in round storehouse, the air feed time can be regulated by electrically operated valve, this makes the powder in Liang Ge district be fluidization, enter levelling chamber, in levelling chamber, be subject to improving oneself the strong stirring mixing of gas charging system air M1, powder after mixing enters discharge chamber by levelling chamber's discharging opening, here origin improve oneself gas charging system air M2 continue stir, then drawn off by high-position discharge valve, after certain hour interval has been carried out in Yuan Ku A district and the inflation of a district, air distributor B and b mouth are just taken turns to the Yuan Kunei B district of correspondence and b district air feed, other C and c mouth, D and d mouth, C and c district in corresponding round storehouse, D and d district, the step of A and a will be repeated, the object of the homogenizing of oil shale powder can be reached.
Claims (2)
1. a homogenizer for oil shale powder, is characterized in that this device comprises supplied materials system (1), distributing device (2), blast pipe (3), circle storehouse (4), levelling chamber (5), levelling chamber's discharging opening (5-2), discharge chamber (5-1), high-order discharger (6), low level discharger (7), weak gas charging system (8), strong gas charging system (9), sphenoid open-type inflatable box (10), first cuboid open-type inflatable box group (11), second cuboid open-type inflatable box group (12), inflation connecting pipe (13) in circle storehouse, connecting pipe (14) and 2 air distributors are inflated in levelling chamber, 3 Roots blowers and 10 electrically operated valves, wherein: the import of distributing device (2) is communicated with supplied materials system (1), each outlet of distributing device (2) is communicated with circle storehouse top board (4-2), blast pipe (3) is arranged along circle storehouse cylindrical shell (4-1) inwall perpendicular to discharge chamber top board (5-4), and one end is communicated with discharge chamber through discharge chamber top board (5-4), the other end is in communication with the outside through circle storehouse top board (4-2), the center line of levelling chamber (5) and circle storehouse (4) centerline are on same vertical line, levelling chamber (5) bottom is levelling chamber's cylinder (5-5), levelling chamber (5) top is levelling chamber's cone (5-6), levelling chamber's base plate (5-7) is fixed with the first cuboid open-type inflatable box group (11), levelling chamber's cone (5-6) side has the levelling chamber's discharging opening (5-2) be communicated with discharge chamber (5-1), discharge chamber base plate (5-8) is fixed with the second cuboid open-type inflatable box group (12), the top of discharge chamber (5-1) is communicated with high-order discharger (6) through circle storehouse cylindrical shell (4-1), the bottom of discharge chamber (5-1) is communicated with low level discharger (7) through circle storehouse cylindrical shell (4-1), levelling chamber's cylinder (5-5) bottom has multiple charging aperture (5-3), be fixed on the A of the sphenoid open-type inflatable box (10) on inclined-plane, round storehouse base plate (4-3), B, C, D region is communicated with first air distributor (8-2A) of the first weak gas charging system by pipeline, first air distributor (8-2A) is communicated with the first Roots blower (8-1A) by pipeline, the a of sphenoid open-type inflatable box (10), b, c, d region is communicated with second air distributor (8-2B) of the second weak gas charging system by pipeline, second air distributor (8-2B) is communicated with the second Roots blower (8-1B) by pipeline, enter the air of sphenoid open-type inflatable box (10) respectively to A and a, B and b, C and c, D and d region is for equal wind transmission, strong gas charging system (9) comprises the 3rd Roots blower (9-1), the 9th electrically operated valve (9-2) and the tenth electrically operated valve (9-3), and air blast to be supplied by connecting pipe and the 9th electrically operated valve (9-2) and the tenth electrically operated valve (9-3) the first cuboid open-type inflatable box group (11) of being fixed on levelling chamber's base plate (5-7) and is fixed in the second cuboid open-type inflatable box group (12) on discharge chamber base plate (5-8) by the 3rd Roots blower (9-1) respectively, the gradient of circle inclined-plane, storehouse base plate (4-3) is 10 ~ 20 °, and the gradient of circle large inclined-plane, storehouse base plate (4-4) is 60 ~ 70 °.
2. the homogenization process of an oil shale powder, it is characterized in that using aforesaid device, be-88 μm≤12% by fineness, the oil shale powder of attached water≤1% enters into distributing device (2) from supplied materials system (1), be discharged in round storehouse (4) equably by distributing device (2), feed to 4 ~ 6m under circle storehouse top board (4-2), open the first and second weak gas charging systems (8), by inflating connecting pipe (13) and sphenoid open-type inflatable box (10) in storehouse, adopt in " to the method for blowing " Xiang Yuanku (4) and inflate, that is: first to A-a region inflation 3 ~ 6min, other region does not now have wind to be blown into, after completing A-a blowing inflation, enter next to the blowing inflation of B-b region immediately, inflationtime is identical with A-a region, until complete after the blowing inflation of C-c and D-d region, enter next circulation, after weak gas charging system (8) opens 10-15 minute, need to open strong gas charging system (9), air blast is supplied respectively the first cuboid open-type inflatable box group (11) of being fixed on levelling chamber's base plate (5-7) and be fixed in the second cuboid open-type inflatable box group (12) on discharge chamber base plate (5-8), make the material fully fluidization again entering levelling chamber, and enter discharge chamber from cone discharging opening levelling chamber, the powder of mixing is continuously drawn off by the high-order discharger be connected with circle storehouse, when needs are cleared up, residual material draws off from low level discharger.
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| CN201310308558.1A CN103394302B (en) | 2013-07-22 | 2013-07-22 | A kind of homogenizer of oil shale powder and homogenization process |
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| CN109970086B (en) * | 2019-04-29 | 2023-10-03 | 沈阳鑫博工业技术股份有限公司 | Device and method for preparing alumina raw material by using Bayer process dry red mud |
| CN112169683A (en) * | 2020-09-30 | 2021-01-05 | 江苏威实环境工程有限公司 | Continuous homogenizing silo with low waste discharge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425701Y (en) * | 2000-05-19 | 2001-04-04 | 刘志清 | Upper disassembling type homogenization device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425701Y (en) * | 2000-05-19 | 2001-04-04 | 刘志清 | Upper disassembling type homogenization device |
Non-Patent Citations (1)
| Title |
|---|
| 李坚利等.混合室连续式均化库.《水泥工艺学》.武汉理工大学出版社,1999, * |
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