CN102199438A - Underwater granulating device for granulating petroleum asphalt - Google Patents
Underwater granulating device for granulating petroleum asphalt Download PDFInfo
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- CN102199438A CN102199438A CN2011101267529A CN201110126752A CN102199438A CN 102199438 A CN102199438 A CN 102199438A CN 2011101267529 A CN2011101267529 A CN 2011101267529A CN 201110126752 A CN201110126752 A CN 201110126752A CN 102199438 A CN102199438 A CN 102199438A
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- granulation
- petroleum pitch
- water
- granulating
- cooling room
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Abstract
The invention discloses an underwater granulating device for granulating petroleum asphalt, which comprises a distributing device, a cooling chamber and a pelletizer, wherein a plurality of material outlets, a heat-tracing channel and a feeding pipe are arranged on the distributing device; a plurality of water inlets are arranged on the cooling chamber; the distributing device is positioned below the cooling chamber; and the cooling chamber is positioned below the pelletizer. The underwater granulating device is characterized in that the whole granulating process of the petroleum asphalt is finished underwater; the pollution of smog to the environment is avoided; and the underwater granulating device has high granulating yield and is easy to operate and maintain.
Description
1 technical field
The present invention relates to a kind of granulation underwater device that is used for petroleum pitch is carried out granulation.The petroleum pitch derived prodss such as modified oil pitch that petroleum pitch refers to the residual petroleum pitch of still in the oil refining process and the residual petroleum pitch of still is carried out modification.
In large-scale oil refining apparatus, petroleum pitch output is very big, has every day thousands of tons of pitch need carry out aftertreatment.Petroleum pitch is direct blowing caking under high-temperature liquid state, and toxic smog causes environmental pollution, the pitch aftertreatment labour intensity that lumps is big; Directly burning can cause more serious environmental pollution.Environment is polluted, reduces under the labour intensity prerequisite stopping toxic smog fully, the petroleum pitch granulating and forming is significant for ease of metering packing, convenient transportation and the granular product that uses.
2 background technologies
Patent CN 101050371A has provided a kind of coal-tar pitch granulation underwater method.The high-temperature liquid state coal-tar pitch is after the discharge nozzle of distance water surface certain altitude flow in the water with continuous column with certain speed downwards; under water by dicing machine with the pelletizing of the continuous column pitch of outside surface solidified, follow-up workshop section cooling curing, dehydration, packing are gone in the pitch pelletizing then.Though this method has reduced pitch toxic smog pollution on the environment significantly.
This method is applied to petroleum pitch granulation existing problems:
High-temperature liquid state petroleum pitch certain altitude on the water surface enters underwater pelletizer, directly contacts with atmosphere in this height space, and toxic smog discharges and still causes environmental pollution.
High-temperature liquid state coal-tar pitch proportion is greater than water, and the continuous column coal-tar pitch after outside surface solidifies is after the underwater pelletizer pelletizing, and pelletizing is sunk in water automatically; And high-temperature liquid state petroleum pitch proportion is littler than water proportion, and the continuous chimney rock oily bitumen after outside surface solidifies is after the underwater pelletizer pelletizing, and pelletizing is in suspended state in water, and the dicing machine below accumulates agglomerating and can not discharge under water.
Patent CN 201158632 has provided another kind of pitch prilling process: high-temperature liquid state pitch is adopted the rotary nozzle granulation, and particle enters cooling curing in the water then.Because the continuous column of rotary nozzle ejection needs the certain space cooling to be broken into particle, can discharge at this space toxic smog, causes environmental pollution; Can not be applied to the petroleum pitch granulation because uncured petroleum pitch particle proportion is less than water, particle can on float over the water surface and pile up agglomerating and can not discharge.
3 summary of the invention
The invention provides a kind of granulation underwater device that is used for the petroleum pitch granulation, the whole process before petroleum pitch granulation and particle surface solidify is carried out fully under water; The toxic smog that high-temperature liquid state petroleum pitch discharges is absorbed fully by water, has stopped the pollution of toxic smog to environment.The granulation cooling curing water that absorbs toxic smog recycles.
The granulation underwater device that is used for the petroleum pitch granulation of the present invention is characterized in that: include distributor, cooling room and dicing machine; Be furnished with some discharge holes, companion's passage of heat, feed-pipe on the distributor; Cooling room is furnished with some water-ins; Distributor is in the cooling room below; Cooling room is in the dicing machine below.
The granulation underwater device that is used for the petroleum pitch granulation of the present invention is characterized in that in the cooling room cowling panel being set.
The granulation underwater device that is used for the petroleum pitch granulation of the present invention is characterized in that each discharge hole of distributor is the single-row layout of level, discharge hole diameter 4～15mm by certain distance.
Feed-pipe provides the charging of high-temperature liquid state petroleum pitch; Some discharge holes realize that high-temperature liquid state petroleum pitch upwards flows out; Heating agent in companion's passage of heat makes the temperature of distributor be higher than the softening melt temperature of granulation petroleum pitch.
Cooling room effect: provide the cooling space and the residence time for some discharge holes upwards directly contact, make outside surface to solidify with the effusive high-temperature liquid state petroleum pitch of certain speed with next water to water-in with continuous column.
Dicing machine effect: the continuous chimney rock oily bitumen of outside surface solidified is cut into particle in water.
Distributor is in the cooling room below; Cooling room is in the purpose of dicing machine below: high-temperature liquid state petroleum pitch is carried out fully under water by the whole process of discharge hole discharging, outside surface curing and pelletizing; The toxic smog that high-temperature liquid state petroleum pitch discharges is absorbed fully by water, has stopped the pollution of toxic smog to environment; Continuous chimney rock oily bitumen after outside surface solidifies is after the dicing machine pelletizing, and particle is in suspended state in water, can overflow smoothly from dicing machine with water.
The effect of cowling panel is that the water of the cooling room of flowing through is upwards flowed in the flow field in accordance with regulations.
The present invention has following characteristics:
The whole process of petroleum pitch granulation is finished under water, has stopped the pollution of toxic smog to environment.
Granulation output height, granulation output are 20～100t/h.
The prilling granulator Operation and Maintenance is easy.
4 description of drawings:
Figure is a front view of the present invention.
5 embodiments:
Reference drawing.
The granulation underwater device that is used for the petroleum pitch granulation of the present invention is characterized in that: include distributor 1, cooling room 2 and dicing machine 3; Be furnished with some discharge holes 11, companion's passage of heat 12, feed-pipe 13 on the distributor 1; Be furnished with some water-ins 21 on the cooling room 2; Distributor 1 is in cooling room 2 belows; Cooling room 2 is in dicing machine 3 belows.
The granulation underwater device that is used for the petroleum pitch granulation of the present invention is characterized in that can being provided with cowling panel 22 in cooling room 2.
The granulation underwater device that is used for the petroleum pitch granulation of the present invention is characterized in that each discharge hole 11 of distributor 1 is the single-row layout of level, discharge hole 11 diameters 4～15mm by certain distance.
Feed-pipe 13 provides the charging of high-temperature liquid state petroleum pitch; Discharge hole 11 realizes that high-temperature liquid state petroleum pitch upwards flows out; Heating agent in companion's passage of heat 12 makes the temperature of distributor 1 be higher than the softening melt temperature of granulation petroleum pitch.
Cooling room 2 effect: for some discharge holes 11 with continuous column make progress effusive high-temperature liquid state petroleum pitch with come directly to contact so that outside surface curing provides the cooling space and the residence time to the water of water-in 21.
Dicing machine 3 effects: outside surface solidified chimney rock oily bitumen is cut into particle in water.
Distributor 1 is in cooling room 2 belows; Cooling room 2 is in the purpose of dicing machine 3 belows: high-temperature liquid state petroleum pitch is carried out fully under water by the whole process of discharge hole 11 dischargings, outside surface curing and pelletizing; The toxic smog that high-temperature liquid state petroleum pitch discharges is absorbed fully by water, has stopped the pollution of toxic smog to environment; Chimney rock oily bitumen after outside surface solidifies is after dicing machine 3 pelletizings, and particle is in suspended state in water, can overflow smoothly from dicing machine 3 with water.
The effect of cowling panel 22 is that the water of the cooling room of flowing through is upwards flowed in the flow field in accordance with regulations.
The granulation underwater device principle of work that the present invention is used for the petroleum pitch granulation is as follows:
Fill with heating agent in companion's passage of heat 12,, distributor 1 is preheating to more than the softening melt temperature of granulation petroleum pitch as steam or thermal oil.
Dicing machine 3 is in running condition by the diagram sense of rotation.
Flow into recirculated cooling water by some water-ins 21, overflow behind flow through successively cooling room 2 and the dicing machine 3 with certain pressure.
After high-temperature liquid state petroleum pitch with certain pressure is entered by feed-pipe 13, be continuous column at some discharge holes 11 and upwards flow out, contact outside surface cooling curing afterwards with water in the cooling room 2 with certain speed; The continuous chimney rock oily bitumen of outside surface cooling curing enters dicing machine 3 and is cut into particle, the further cooling curing of particle outside surface and is overflowed by dicing machine 3 outlets with water; Go the complete cooling curing of follow-up workshop section, dehydration, packing then.
Be loaded with the petroleum pitch particulate overflow water in follow-up workshop section and petroleum pitch particle separation and cooling back as recirculated cooling water, recirculation is used.
Claims (3)
1. a granulation underwater device that is used for the petroleum pitch granulation is characterized in that: include distributor (1), cooling room (2) and dicing machine (3); Be furnished with some discharge holes (11), companion's passage of heat (12), feed-pipe (13) on the distributor (1); Be furnished with some water-ins (21) on the cooling room (2); Distributor (1) is in cooling room (2) below; Cooling room (2) is in dicing machine (3) below.
2. according to the described granulation underwater device that is used for the petroleum pitch granulation of claim 1, it is characterized in that in the cooling room (2) cowling panel (22) being set.
3. according to the described granulation underwater device that is used for the petroleum pitch granulation of claim 1, it is characterized in that each discharge hole (11) of distributor (1) is the single-row layout of level, discharge hole (11) diameter 4～15mm by certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101267529A CN102199438A (en) | 2011-05-17 | 2011-05-17 | Underwater granulating device for granulating petroleum asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101267529A CN102199438A (en) | 2011-05-17 | 2011-05-17 | Underwater granulating device for granulating petroleum asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102199438A true CN102199438A (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101267529A Pending CN102199438A (en) | 2011-05-17 | 2011-05-17 | Underwater granulating device for granulating petroleum asphalt |
Country Status (1)
| Country | Link |
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| CN (1) | CN102199438A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726123A (en) * | 2013-12-18 | 2015-06-24 | 山特维克材料技术德国有限公司 | Method And Apparatus For The Production Of Bitumen Blocks |
-
2011
- 2011-05-17 CN CN2011101267529A patent/CN102199438A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726123A (en) * | 2013-12-18 | 2015-06-24 | 山特维克材料技术德国有限公司 | Method And Apparatus For The Production Of Bitumen Blocks |
| CN104726123B (en) * | 2013-12-18 | 2020-07-21 | Ipco德国有限责任公司 | Method and apparatus for producing asphalt blocks |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110928 |