CN101838547A - Heavy oil and coal tar dehydrator - Google Patents
Heavy oil and coal tar dehydrator Download PDFInfo
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- CN101838547A CN101838547A CN201010145423A CN201010145423A CN101838547A CN 101838547 A CN101838547 A CN 101838547A CN 201010145423 A CN201010145423 A CN 201010145423A CN 201010145423 A CN201010145423 A CN 201010145423A CN 101838547 A CN101838547 A CN 101838547A
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- coal tar
- cylinder
- dehydrator
- heavy oil
- roller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a heavy oil and coal tar dehydrator and belongs to the field of petroleum and coal chemical industry deep process or secondary processing equipment. The dehydrator comprises a raw material oil inlet, a dehydrated oil outlet, a wrapping device, a roller, a driving device, a heating device and a collecting device, wherein the at least one roller is horizontally arranged in the wrapping device; the heating device is positioned in the roller; the driving device is connected with the roller; the collecting device is arranged on the roller; the upper end of the wrapping device is provided with an water vapor outlet; the raw material oil inlet is positioned on the upper end of the roller; and the dehydrated oil outlet is positioned on the bottom part of the wrapping device. In the invention, an oil membrane with a small thickness is formed on the outside of the roller which is horizontally placed and rotates by immersing, spreading and spraying heavy oil or coal tar and the inside of the roller supplies heat, so the dehydrator greatly improves the utilization efficiency of the heat, consumes a small amount of energy, has high dehydration efficiency, and is suitable for dehydrating heavy oil and coal tar.
Description
Technical field
The present invention relates to a kind of Coal Chemical Industry equipment, particularly a kind of heavy oil and coal tar dehydration equipment.
Background technology
At present, be extensive use of wet method in heavy oil and the coal tar metallization processes and inhale burnt technology, because heavy oil and coal tar viscosity height, mobile poor, inhale the water that uses in the burnt technology and collected when collecting coal tar by the coal tar collecting device, so the pyrogenic by product of coal----coal tar contains the water more than 10% usually in the mode of steam state.
Coal tar oil viscosity ρ 20 °=4.27,20 °=1.17g/cm3 of density d, its density and water are approaching, and viscosity is big in addition, and the dehydration of coal tar does not have the method for more efficient always, and conventional process has following several:
A. heat settled process
This processing method adopts general heating installation, such as installing steel pipe (in pass through hot water and steam) heating additional in coal tar storage tank bottom or with fuel combustion heating storage tank bottom, local heating coal tar, reduce the coal tar oil viscosity, improve its flowability, utilize the difference in specific gravity of coal tar and water, the water particle that is wrapped in the coal tar is floated up from coal tar, to reach the purpose of oily water separation, its equipment synoptic diagram is referring to Fig. 1;
B. distillation method
This processing method generally adopts distillation tower, concrete grammar is: with the pressurization of aqueous coal tar from the distillation tower top or top spray into the distillation tower that filler is housed, superheated vapour is introduced (band is pressed) from the bottom of distillation tower, mobile coal tar is heated by steam from top to down, and the coal tar temperature is increased to more than 100 ℃, so that allow water particle vaporization in the coal tar, and discharge together from the top of distillation tower with mobile steam from bottom to top, and coal tar goes out from distillation tower bottom spontaneous current, to reach the purpose of oily water separation.
C. tube furnace heating method
The equipment that this processing method adopts is generally tube furnace or tubulation, concrete grammar is: the hot waste gas after the fuel combustion is introduced the coal tar storage tank with tubulation, and hot gas reaches the water particle that reduces in coal tar oil viscosity, the partial vaporization coal tar after coal tar carries out heat exchange makes water separating of oil.
For above several technologies, the advantage of heating settled process be its input that does not need newly added equipment input or newly added equipment seldom, its shortcoming is this method because of the reason of self physical properties of coal tar thermal conductivity, mobile difference, its work efficiency of separating profit is very low, production rate is slow, cause need be very big the storage field, simultaneously the oily water separation rate is not high, the water ratio of coal tar is difficult to reach the national standard requirement below 4%.The advantage of distillation method is: production rate is obviously fast than the heating settled process, also can control the water content after coal tar dewaters as required, its shortcoming is the reason of distillation tower because of operating parameters, energy consumption height (turret top gas exit temperature must be more than 100 ℃, and the heat energy in ℃ scope of normal temperature in the steam～100 can not utilize and is wasted).And the velocity of flow of coal tar can't manual operation, can't further enhance productivity.The tube furnace heating method advantage be: equipment is simple, but the working efficiency of dehydration is still very low, and the water content after the coal tar dehydration can not be controlled, and local temperature is difficult to control, occurs the incipient scorch phenomenon easily.
Summary of the invention
Goal of the invention of the present invention is: at the problem of above-mentioned existence, provide a kind of energy consumption is low, dewatering efficiency is high novel heavy oil and coal tar dehydrator.
The technical solution used in the present invention is such: a kind of heavy oil and coal tar dehydrator, stock oil inlet and dehydrated oil outlet, also comprise Wrap device, cylinder, drive unit, heating plant and collection device, described cylinder is at least one and be horizontally placed on Wrap device inside, described heating plant is positioned at cylinder inside, described drive unit links to each other with cylinder, be used for the head roll rotation, described collection device is arranged on the cylinder, be used for coal tar by mode collection cylinder outer walls such as scraping, also be provided with the vaporize water vapour outlet in described Wrap device upper end, described stock oil inlet is positioned at the cylinder upper end, and the dehydrated oil outlet is positioned at the Wrap device bottom.
As preferably: also be provided with spraying plant at described stock oil inlet, be used for coal tar is sprayed on cylinder surface, thereby form very thin oil film, be beneficial to the water evaporation in the coal tar.
As preferably: bottom surface sealing on the described cylinder.
As preferably: described cylinder is two.
As preferably: described collection device is a scraper plate.
As preferably: described collection device is positioned at the below, square section of cylinder.
As preferably: described heating plant is electrical heating element, superheat steam pipeline or high temperature air pipeline.
As preferably: described cylinder is a metallic cylinder.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows: the present invention is owing to form thickness very little oil film in the mode of soaking, drenching or spraying in the outside of the cylinder of horizontal positioned and rotation with coal tar, cylinder inside provides heat energy, because oil film thickness is very little, heat transfer process just can make the coal tar on the cylinder all reach the processing condition that can make the water particle vaporization in the very short time, rotating speed by the index drum rotation is cooperated simultaneously, makes the coal tar of the cylinder of flowing through finish dehydration rapidly.Add because of the coal tar oil reservoir is thin, short to the resistance journey of vaporize water, the dehydration of coal tar is efficiently finished, use the heavy oil or the coal tar of this device dehydration, general water ratio is below 1%.The thermal source that heating plant provides is installed in the cylinder inside of relative sealing, heat energy is only by relatively-stationary heat exchange medium--and transfer of air is given cylinder, pass to coal tar by cylinder again, the heating medium air is not discharged along with its temperature of heat passage back reduces the back, but once more with air heating to required temperature, significantly improved its utilization efficiency of heat energy, energy consumption is low, is applicable to the dehydration of heavy oil and coal tar.
Description of drawings
Fig. 1 is the equipment principle synoptic diagram of heating settled process;
Fig. 2 is the equipment principle synoptic diagram of distillation method;
Fig. 3 is the equipment principle synoptic diagram of tube furnace heating method;
The structural representation of Fig. 4 embodiment of the invention 1;
Fig. 5 is the heating plant sectional view among Fig. 4.
Mark among the figure: 1 is the coal tar storage tank, and 2 is steel pipe, and 3 are the stock oil inlet, and 4 are the superheated vapour inlet, 5 are the superheated vapour outlet, and 6 is dried up for dividing, and 7 is the vaporize water vapour outlet, and 8 are the dehydrated oil outlet, 9 is distillation tower, and 10 is filler, and 11 is fuel combustion chamber, 12 is tubulation, and 13 is combustion heat waste gas outlet, and 14 is Wrap device, 15 is cylinder, and 16 is heating plant, and 17 is the superheated vapour pipeline, 18 is scraper plate, and 19 is oil film, and 20 for separating water out.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 4, a kind of heavy oil and coal tar dehydrator, comprise stock oil inlet 3 and dehydrated oil outlet 4, also Wrap device 14, cylinder 15, drive unit, heating plant 16 and scraper plate 18, described stock oil inlet 3 is positioned at cylinder 15 upper ends, dehydrated oil outlet 4 is positioned at the Wrap device bottom, described cylinder 15 is preferably metallic cylinder, thereby guarantee heat conductivility preferably, whole cylinder 15 is a cylindrical body of sealing relatively, cylinder 15 is 2, and level is set up in parallel in Wrap device 16 inside, described heating plant 16 is positioned at cylinder 15 inside, heating plant 16 is preferably superheated vapour pipeline 17, superheated vapour enters from the superheated vapour inlet 4 of superheated vapour pipeline 17, discharge from superheated vapour outlet 5, thereby for heating drum 15 provides heat energy, referring to Fig. 5, with thermal radiation mode transferring heat energy, described drive unit is a motor, drive unit links to each other with cylinder 15, be used for head roll 15 rotations, two cylinders 15 are according to opposite direction rotation, and scraper plate 18 is arranged at cylinder 15 lower ends as collection device, be used for by the mode collection cylinder outer wall that strikes off sloughed moisture coal tar, Wrap device 14 upper ends also are provided with vaporize water vapour outlet 7.
During use, aqueous stock oil enters from stock oil inlet 3, can a spraying plant can also be set at described stock oil inlet 3, be used for coal tar is sprayed on cylinder 15 surfaces, thereby form very thin oil film 19, perhaps allow stock oil slowly flow on the cylinder 15 from stock oil inlet 3, also can form thin oil film 19, cylinder 15 rotates under the effect of drive unit, and it is inner by heating plant 16 heat supplies, moisture in the stock oil can evaporate at cylinder surface at an easy rate, the vaporize water steam is discharged from vaporize water vapour outlet 7, owing to contain sulphur in the vaporize water steam, objectionable impuritiess such as phenols, the environmental protection treatment of the vaporize water steam being collected and carrying out the water coolant absorption.The coal tar of evaporating off water flows to cylinder 15 lower ends, by scraper plate 18 is scraped, coal tar through dehydration after striking off drops to Wrap device 14 bottoms under action of gravity, flow out by the dehydrated oil outlet 8 that is arranged on Wrap device 14 bottoms, thereby finish the coal tar dehydration procedure, use the heavy oil or the coal tar of the dehydration of this device, water ratio is below 1%.
The present invention adopts the cylinder 15 inner heating that horizontally rotate, and can control the time of the dehydration of coal tar by the rotating speed of index drum 15.Because the dewatering time of coal tar is controlled, make and can enhance productivity by the method that improves hot strength, solve effectively that coal tar only depends on gravity to obtain the problem of velocity of flow in the distillation method.
Simultaneously, the thermal source that the heating plant that the present invention adopts provides is positioned at cylinder 15 inside of relative sealing, heat energy is only by relatively-stationary heat exchange medium--and transfer of air is given cylinder 15, pass to coal tar by cylinder again, heating medium air and unlike distillation method or tube furnace heating method, along with reducing the back, its temperature of heat passage back discharges, cause waste heat energy, the present invention be once more with the air heating of the void area of cylinder 15 inside except that heating plant to the required temperature of coal tar water content in oil of hauling out, significantly improved the utilising efficiency of heat energy, thermal source of the present invention is also with infrared rays, thermal-radiating mode has been transmitted heat energy, and this has also significantly improved the thermo-efficiency in the heat exchanging process.
In addition, the present invention makes heavy oil or coal tar form the book membrane stage outside cylinder 15, can control film forming thickness according to producing needs, thereby available artificial method is controlled the heat transfer process of heat energy in the coal tar system.
The present invention is owing to form thickness very little oil film in the mode of soaking, drenching or spraying in the outside of the metallic cylinder of horizontal positioned and rotation with coal tar, metallic cylinder inside provides heat energy, because oil film thickness is very little, heat transfer process just can make the coal tar on the cylinder all reach the processing condition that can make the water particle vaporization in the very short time, rotating speed by the rotation of control metallic cylinder is cooperated simultaneously, make the coal tar of the cylinder of flowing through finish dehydration rapidly, add because of the coal tar oil reservoir thin, resistance journey to vaporize water is short, and the dehydration of coal tar is efficiently finished.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. heavy oil and coal tar dehydrator, comprise stock oil inlet and dehydrated oil outlet, it is characterized in that: also comprise Wrap device, cylinder, drive unit, heating plant and collection device, described cylinder is at least one and be horizontally placed on Wrap device inside, described heating plant is positioned at cylinder inside, described drive unit links to each other with cylinder, described collection device is arranged on the cylinder, also be provided with the vaporize water vapour outlet in described Wrap device upper end, described stock oil inlet is positioned at the cylinder upper end, and the dehydrated oil outlet is positioned at the Wrap device bottom.
2. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: also be provided with spraying plant in described stock oil ingress.
3. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: bottom surface sealing on the described cylinder.
4. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: described cylinder is two.
5. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: described collection device is a scraper plate.
6. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: described collection device is positioned at the below, square section of cylinder.
7. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: described heating plant is electrical heating element, superheat steam pipeline or high temperature air pipeline.
8. heavy oil according to claim 1 and coal tar dehydrator is characterized in that: described cylinder is a metallic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101454234A CN101838547B (en) | 2010-04-13 | 2010-04-13 | Heavy oil and coal tar dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101454234A CN101838547B (en) | 2010-04-13 | 2010-04-13 | Heavy oil and coal tar dehydrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101838547A true CN101838547A (en) | 2010-09-22 |
| CN101838547B CN101838547B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101454234A Expired - Fee Related CN101838547B (en) | 2010-04-13 | 2010-04-13 | Heavy oil and coal tar dehydrator |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6372123B1 (en) * | 2000-06-26 | 2002-04-16 | Colt Engineering Corporation | Method of removing water and contaminants from crude oil containing same |
| CN2515202Y (en) * | 2001-12-24 | 2002-10-09 | 张怀峰 | Dewatering device of coal tar with electrical means |
| CN201660601U (en) * | 2010-04-13 | 2010-12-01 | 刘蔚 | Dehydrator for heavy oil and coal tar |
-
2010
- 2010-04-13 CN CN2010101454234A patent/CN101838547B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6372123B1 (en) * | 2000-06-26 | 2002-04-16 | Colt Engineering Corporation | Method of removing water and contaminants from crude oil containing same |
| CN2515202Y (en) * | 2001-12-24 | 2002-10-09 | 张怀峰 | Dewatering device of coal tar with electrical means |
| CN201660601U (en) * | 2010-04-13 | 2010-12-01 | 刘蔚 | Dehydrator for heavy oil and coal tar |
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| Publication number | Publication date |
|---|---|
| CN101838547B (en) | 2013-04-10 |
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Granted publication date: 20130410 |