CN101870880B - Globular asphalt granulating device and granulating method - Google Patents
Globular asphalt granulating device and granulating method Download PDFInfo
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- CN101870880B CN101870880B CN 201010191197 CN201010191197A CN101870880B CN 101870880 B CN101870880 B CN 101870880B CN 201010191197 CN201010191197 CN 201010191197 CN 201010191197 A CN201010191197 A CN 201010191197A CN 101870880 B CN101870880 B CN 101870880B
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Abstract
The invention relates to the manufacturing technology of asphalt, in particular to a globular asphalt granulating device and a granulating method. The device comprises a vertical rotating shaft installed on a rack, the rotating shaft can be driven to rotate by a power plant, the lower end of the rotating shaft is connected with the center of a centrifuge boiler of which the surface of the inner chamber is hemispheric, and can drive the centrifuge boiler to rotate; an asphalt discharge hole is arranged on the side above the centrifuge boiler and is connected with an asphalt storage device used for storing liquid asphalt by a section of thermal insulation discharge tube coated with thermal insulation material. The equipment of the invention has simple structure, low manufacturing cost, low operation cost and small pollution for technical operation process, can regulate prilling grain diameter by controlling centrifugation revolution and raw material flow, has high prilling speed and good quality and is suitable for requirements of mass production.
Description
Technical field
The present invention relates to manufacturing technology of asphalt, specifically is a kind of globular asphalt granulating device and prilling process.
Background technology
In refractory materials manufacturing and foundry industry; Tradition uses granular pitch of indefinite form and powdered asphalt to be raw material; Its shortcoming be the flowability of asphalt stock poor, be difficult for mixing; Cause produce proportioning accuracy low, influence product quality, particularly in precision casting, the pelletted pitch with better flowability has begun to replace the granular pitch of indefinite form and powdered asphalt and has been used gradually.
Existing pitch is made the ball method and is mainly contained three kinds: 1, hot air injection method; 2, rotary drum water cooling; 3, the hot dispersed with stirring method of resol.All there is bigger deficiency in these three kinds of methods: one of which, hot air injection method need tens meters high prilling towers, invests hugely, and need 180 ℃ of warm airs to assist when making ball, cause a large amount of energy dissipations, and the tail gas amount of formation is very big, difficult treatment, seriously polluted; Complex process when two, the rotary drum water cooling is produced has waste water to produce, and the product needed oven dry forms secondary pollution, invests bigger; Its three, with the method for mixing dispersed with stirring behind the resol thermosol with pitch, its production cost height, complex process, output are little, are not suitable for industrialization production in enormous quantities, economy is relatively poor.
Summary of the invention
The utility model technical problem to be solved provides that a kind of device structure is simple, granulation process is easy, pollution is little, equipment cost and low globular asphalt granulating device and the prilling process of running cost.
The globular asphalt granulating device of the utility model includes a rack-mounted vertical rotating shaft; Rotating shaft can drive its rotation by PWR PLT; The rotating shaft lower end is connected a surface of internal cavity and is hemispheric centrifugal pot center and can drives centrifugal pot rotation; The side top of centrifugal pot has a pitch discharge port, and the pitch discharge port is connected with storing liquid bituminous pitch storage device through one section.Said insulation extraction line is coated with lagging material.
Pelletted pitch prilling process of the present invention is on said apparatus, to accomplish granulation process; In the granulation process; The liquid bitumen raw material is entered the centrifugal pot of rotation from the pitch discharge port, make liquid bitumen cooling balling-up and under centrifugal action, dish out, collect again, packing.
In the aforesaid method, according to the difference of asphalt stock softening temperature, the material temperature of control pitch discharge port is at 200 ℃～350 ℃, and the variation through centrifugal pot rotating speed and asphalt stock discharging flow is controlled to spherolite directly.Centrifugal pot controllable rotation speed is changeed built in PM 900～1000, and the asphalt stock discharging flow can be controlled in per hour 1.2 tons～2 tons.
Present device is simple in structure, manufacturing cost and running cost is low, the technology operational process pollutes for a short time, can realize the adjusting to the granulation particle diameter through the control of centrifugal rotational speed and material flow, granulation speed soon, quality better, can adapt to requirements of large-scale production.
Description of drawings
Fig. 1 is the structural representation of prilling granulator of the present invention.
Embodiment
As shown in the figure; Globular asphalt granulating device of the present invention includes a vertical rotating shaft 2 that is installed on the frame 1; Rotating shaft can drive its rotation by PWR PLT 3; The rotating shaft lower end is connected a surface of internal cavity and is the center of hemispheric centrifugal pot 4 and can drives centrifugal pot rotation, and the side top of centrifugal pot has a pitch discharge port 5, and the pitch discharge port is connected with storing liquid bituminous pitch storage device through one section insulation extraction line 7 that has coated lagging material 6.
Pelletted pitch prilling process embodiment one: make the pelletted pitch of sphere diameter 0.2mm～1mm, raw material is the coal-tar pitch or the petroleum pitch of 120 ℃～130 ℃ of softening temperatures.Its method is, on apparatus of the present invention, accomplishes granulation process, in the granulation process, the liquid bitumen raw material entered the centrifugal pot of rotation from the pitch discharge port, makes liquid bitumen cooling balling-up and under centrifugal action, dishes out, and collects, packing again; In the process, the material temperature of control pitch discharge port is at 245 ℃ ± 5 ℃, and centrifugal pot rotating speed is controlled at PM 900 to be changeed, and the asphalt stock discharging flow is controlled at per hour 1.5 tons.Through check, in the finished product, the pitch of 0.2mm～1mm sphere diameter goes out rate about 85%.
Pelletted pitch prilling process embodiment two: make the pelletted pitch of sphere diameter 0.2mm～1mm, raw material is the coal-tar pitch or the petroleum pitch of 140 ℃～160 ℃ of softening temperatures.Its method is, on apparatus of the present invention, accomplishes granulation process, in the granulation process, the liquid bitumen raw material entered the centrifugal pot of rotation from the pitch discharge port, makes liquid bitumen cooling balling-up and under centrifugal action, dishes out, and collects, packing again; In the process, the material temperature of control pitch discharge port is at 305 ℃ ± 5 ℃, and centrifugal pot rotating speed is controlled at PM 900 to be changeed, and the asphalt stock discharging flow is controlled at per hour 1.6 tons.Through check, in the finished product, the pitch of 0.2mm～1mm sphere diameter goes out rate about 85%.
Pelletted pitch prilling process embodiment three: make the pelletted pitch of sphere diameter 0.6mm～1.2mm, raw material is the coal-tar pitch or the petroleum pitch of 160 ℃～180 ℃ of softening temperatures.Its method is, on apparatus of the present invention, accomplishes granulation process, in the granulation process, the liquid bitumen raw material entered the centrifugal pot of rotation from the pitch discharge port, makes liquid bitumen cooling balling-up and under centrifugal action, dishes out, and collects, packing again; In the process, the material temperature of control pitch discharge port is at 320 ℃ ± 5 ℃, and centrifugal pot rotating speed is controlled at PM 900 to be changeed, and the asphalt stock discharging flow is controlled at per hour 1.8 tons.Through check, in the finished product, the pitch of 0.6mm～1.2mm sphere diameter goes out rate about 88%.
Claims (5)
1. globular asphalt granulating device; It is characterized in that: it includes a rack-mounted vertical rotating shaft; Rotating shaft can drive its rotation by PWR PLT; The rotating shaft lower end is connected a surface of internal cavity and is hemispheric centrifugal pot center and can drives centrifugal pot rotation, and the side top of centrifugal pot has a pitch discharge port, and the pitch discharge port is connected with the pitch storage device through one section insulation extraction line.
2. globular asphalt granulating device according to claim 1 is characterized in that: said insulation extraction line is coated with lagging material.
3. pelletted pitch prilling process; It is characterized in that: on the globular asphalt granulating device of claim 1 or 2, accomplish granulation process; In the granulation process; The liquid bitumen raw material is entered the centrifugal pot of rotation from the pitch discharge port, make liquid bitumen cooling balling-up and under centrifugal action, dish out, collect again, packing.
4. pelletted pitch prilling process according to claim 3 is characterized in that: the material temperature of control pitch discharge port is at 200 ℃～350 ℃, and the variation through centrifugal pot rotating speed and asphalt stock discharging flow is controlled to spherolite directly.
5. pelletted pitch prilling process according to claim 4 is characterized in that: centrifugal pot rotating speed is controlled at PM 900～1000 to be changeed, and the asphalt stock discharging flow is controlled at per hour 1.2 tons～2 tons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010191197 CN101870880B (en) | 2010-06-04 | 2010-06-04 | Globular asphalt granulating device and granulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010191197 CN101870880B (en) | 2010-06-04 | 2010-06-04 | Globular asphalt granulating device and granulating method |
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| Publication Number | Publication Date |
|---|---|
| CN101870880A CN101870880A (en) | 2010-10-27 |
| CN101870880B true CN101870880B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010191197 Active CN101870880B (en) | 2010-06-04 | 2010-06-04 | Globular asphalt granulating device and granulating method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876345A (en) * | 2012-10-30 | 2013-01-16 | 中国石油化工股份有限公司 | Hard asphalt granulation method and device thereof |
| CN110902054B (en) * | 2019-12-05 | 2021-10-26 | 安徽金禾实业股份有限公司 | Asphalt treatment integrated machine in maltol production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188136A (en) * | 1997-01-17 | 1998-07-22 | 中国科学院山西煤炭化学研究所 | Method for preparing narrow size distribution asphalt ball |
| US6331245B1 (en) * | 1999-11-23 | 2001-12-18 | Kellogg Brown & Root, Inc. | Petroleum resid pelletization |
| CN1676571A (en) * | 2004-01-09 | 2005-10-05 | 孔亦周 | Melt asphalt rotary granuating spray disk |
| CN201751413U (en) * | 2010-06-04 | 2011-02-23 | 镇江新光冶金辅材厂 | Spherical asphalt granulating device |
-
2010
- 2010-06-04 CN CN 201010191197 patent/CN101870880B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188136A (en) * | 1997-01-17 | 1998-07-22 | 中国科学院山西煤炭化学研究所 | Method for preparing narrow size distribution asphalt ball |
| US6331245B1 (en) * | 1999-11-23 | 2001-12-18 | Kellogg Brown & Root, Inc. | Petroleum resid pelletization |
| CN1676571A (en) * | 2004-01-09 | 2005-10-05 | 孔亦周 | Melt asphalt rotary granuating spray disk |
| CN201751413U (en) * | 2010-06-04 | 2011-02-23 | 镇江新光冶金辅材厂 | Spherical asphalt granulating device |
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| CN101870880A (en) | 2010-10-27 |
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Address after: 212000 Xue Village Industrial Zone, Shangdang Town, Dantu District, Zhenjiang, Jiangsu Patentee after: Zhenjiang Xinguang new Mstar Technology Ltd Address before: 212000 Xue Village Industrial Zone, Shangdang Town, Dantu District, Zhenjiang, Jiangsu Patentee before: Zhenjiang Xinguang Metallurgical Auxiliary Plant |
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