CN110396421B - Device and method for preventing coking and blockage of modified asphalt tower pipeline - Google Patents
Device and method for preventing coking and blockage of modified asphalt tower pipeline Download PDFInfo
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- CN110396421B CN110396421B CN201910762150.9A CN201910762150A CN110396421B CN 110396421 B CN110396421 B CN 110396421B CN 201910762150 A CN201910762150 A CN 201910762150A CN 110396421 B CN110396421 B CN 110396421B
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- wash oil
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- 239000010426 asphalt Substances 0.000 title claims abstract description 70
- 238000004939 coking Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 73
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 238000005406 washing Methods 0.000 claims abstract description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 238000011010 flushing procedure Methods 0.000 claims abstract description 5
- 239000000872 buffer Substances 0.000 claims description 47
- 239000006185 dispersion Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims 2
- 239000011534 wash buffer Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/002—Working-up pitch, asphalt, bitumen by thermal means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/06—Working-up pitch, asphalt, bitumen by distillation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a device and a method for preventing coking and blockage of a pipeline of a modified asphalt tower, comprising an oil washing buffer tank, a steam heating pipe, an oil washing pump, a flushing oil pipe, a first steam guide pipe, a first nitrogen guide pipe, a heavy phase tower, a second steam guide pipe, a second nitrogen guide pipe, a modified asphalt pump, a first driving motor, an oil inlet pipe, a first rotating shaft, a first stirring blade, a second stirring blade, a fixed plate, an inclined stirring blade, a steam inlet pipe, an oil outlet pipe, a side supporting shaft, a main supporting shaft, an outer spiral belt, an inner spiral belt, a stirring shaft, a dispersing disc, a connecting pipe, an upper folding edge, a lower folding edge, a mounting hole and a through hole.
Description
Technical Field
The invention relates to the technical field of asphalt production, in particular to a device and a method for preventing coking and blockage of a pipeline of a modified asphalt tower.
Background
Refined asphalt and modified asphalt are produced, all are high-added-value products, and are used for preparing graphite electrodes, negative electrode products, binders and the like, wherein a device for producing modified asphalt adopts reduced pressure distillation, the components of a modified asphalt system are changed by adjusting the refined asphalt in the production process, so that the problems of cavitation of a modified asphalt pump, mechanical pumping and the like are caused, and in an accident state, the modified asphalt is a high-temperature fluid which is high in viscosity and high in softening point and is easy to coke, and is gradually cooled even if steam is accompanied by heat, particularly in northeast severe cold areas, tower bottom coking and pipeline blockage are caused, long-term shutdown treatment is forced, a large amount of time and labor are consumed, and meanwhile, the preheating and asphalt fusion effects of wash oil are poor.
Disclosure of Invention
The invention aims to provide a device and a method for preventing coking and blockage of a pipeline of a modified asphalt tower, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a preventive device for coking and blocking of modified asphalt tower pipeline, including wash oil buffer tank, steam heating pipe, wash oil pump, wash oil pipe, first steam conduit, first nitrogen gas conduit, heavy phase tower, second steam conduit, second nitrogen gas conduit, modified asphalt pump, first driving motor, advance oil pipe, first pivot, first stirring vane, second stirring vane, the fixed plate, slant stirring vane, steam inlet pipe, go out oil pipe, the outer tube, the inlet tube, the outlet pipe, first heating pipe, the second heating pipe, second driving motor, the second pivot, the side back shaft, main back shaft, outer helical band, interior helical band, the (mixing) shaft, the dispersion impeller, the connecting pipe, go up hem, lower hem, mounting hole and through-hole, the top one side welding of wash oil buffer tank has the advance oil pipe, the outer tube is installed through fixing bolt to the outside of wash oil buffer tank, outer tube one side corresponds both ends and all installs first heating pipe, outer tube outer wall one side bottom symmetry installs steam inlet pipe, and wash oil buffer tank connection, the bottom intermediate oil outlet pipe of outer tube, and second stirring vane and first pivot, the fixed plate is installed to the first pivot, the first pivot is connected with the first pivot, the fixed connection impeller is connected with the first pivot, the first pivot is connected with the first pivot, the fixed to the first pivot is connected with the first pivot, the intermediate motor, the both side is connected with the fixed with the first pivot, the oil outlet pipe is connected with one end of the wash oil pump through a wash oil pipe, the other end of the wash oil pump is connected with the heavy phase tower and the modified asphalt pump through the wash oil pipe, a first steam guide pipe and a first nitrogen guide pipe are respectively arranged on one side of the wash oil pipe, a second steam guide pipe and a second nitrogen guide pipe are respectively arranged on one side of the modified asphalt pump on the wash oil pipe, a second driving motor is arranged in the middle of the top of the heavy phase tower, the output end of the second driving motor is connected with a second rotating shaft, one end of the second rotating shaft extends into the wash oil buffer tank, a dispersion disc is arranged at one end of the bottom of the second rotating shaft, upper folded edges are uniformly arranged at the top of the dispersion disc, lower folded edges are uniformly arranged at the bottom of the dispersion disc, through holes are uniformly formed in the dispersion disc, a main supporting shaft is arranged in the middle of the second rotating shaft, a side supporting shaft is symmetrically arranged above the main supporting shaft and below the main supporting shaft, the main supporting shaft is fixedly connected with the side supporting shaft through an outer spiral belt and an inner spiral belt, a second rotating shaft is symmetrically arranged at the top of the main supporting shaft, and a connecting pipe is symmetrically arranged at the bottom of the main supporting shaft, and the main supporting shaft is connected with the bottom of the connecting pipe.
A method for preventing coking and blockage of a pipeline of an upgraded asphalt tower comprises the steps of firstly, preheating wash oil; step two, replacing the modified asphalt pump; step three, wash oil is conveyed; step four, asphalt stirring; recovering production;
in the first step, wash oil is led into a wash oil buffer tank through an oil inlet pipe, clear water is injected into an outer sleeve pipe through a water inlet pipe, a heating wire in a first heating pipe works, the clear water is heated to 100 ℃, high-temperature steam is introduced into the wash oil buffer tank through the matching of a steam heating pipe and a steam inlet pipe, meanwhile, the heating wire in a second heating pipe works to heat the wash oil, a first driving motor works, a first stirring blade, a second stirring blade and an inclined stirring blade are driven to rotate through a first rotating shaft, and the wash oil is fully stirred, so that the temperature of the wash oil in the wash oil buffer tank is rapidly kept around 100 ℃;
in the second step, when the pump failure of the modified asphalt pump cannot be treated, the washing oil pump is started, the washing oil is guided to the modified asphalt pump through the washing oil pipe, and the modified asphalt pump and the outlet are replaced cleanly by the washing oil;
in the third step, the wash oil is conveyed to the bottom of the heavy phase tower through the matching of the wash oil pump and the wash oil pipe;
in the fourth step, steam and nitrogen are introduced through a first steam conduit and a first nitrogen conduit, steam and nitrogen are introduced through a second steam conduit and a second nitrogen conduit, the heavy phase tower is blown up, wash oil is mixed with asphalt in the tower, a second driving motor works, a second rotating shaft drives a side supporting shaft, a main supporting shaft, a stirring shaft and a dispersing disc to rotate, the dispersing disc is matched with the stirring shaft in a rotating manner, high-speed uniform dispersion of materials is realized, an inner spiral belt moves the materials to two sides, an outer spiral belt moves the materials inwards from two sides, the materials are mixed back and forth, and modified asphalt in the tower is mixed with soft asphalt at 40-50 ℃;
in the fifth step, the asphalt after the mixing is conveyed by a modified asphalt pump, the pipeline and the tower bottom are not blocked any more, and the production is restored.
According to the technical scheme, the water inlet pipe is arranged at the top of one side of the outer sleeve, and the water outlet pipe is arranged at the top and bottom of one side of the outer sleeve.
According to the technical scheme, one side of the second stirring blade is symmetrically welded with the connecting rods at the corresponding two ends, and stirring balls are uniformly arranged on the connecting rods.
According to the technical scheme, round holes are uniformly formed in the first stirring blade.
According to the technical scheme, the mounting hole has been seted up in the middle of the dispersion disk, the mounting hole cooperatees with the second pivot, dispersion disk's top and bottom are all through stop nut and second pivot fixed connection.
According to the technical scheme, the outer sides of the first driving motor and the second driving motor are welded with the frame, and the frame is fixedly connected with the wash oil buffer tank and the heavy phase tower through bolts respectively.
According to the technical scheme, in the third step, the wash oil is conveyed for 3-5t.
Compared with the prior art, the invention has the following beneficial effects: the high-temperature steam is introduced through the water bath, the steam heating pipe is matched with the second heating pipe, the wash oil is preheated to about 100 ℃, the first stirring blade, the second stirring blade and the inclined stirring blade rotate, the wash oil is fully stirred, the wash oil can be quickly and fully preheated, then the modified asphalt pump and the outlet are completely replaced by the wash oil, the wash oil is conveyed to the bottom of the heavy phase tower, the first steam conduit, the first nitrogen conduit, the second steam conduit and the second nitrogen conduit blow steam into the tower to achieve the stirring effect, the outer spiral belt, the inner spiral belt, the stirring shaft and the dispersing disc are matched, the stirring effect is improved, the production can be recovered in a short period of time after the modified asphalt in the tower is dissolved to soft asphalt at 40-50 ℃, after the modified asphalt system fails, the production can be recovered in 2 hours at most, the modified asphalt system is not easy to cause the blocking of the pipeline and the bottom of the tower, the large shutdown treatment is not needed, and the economic loss is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the wash buffer tank of the present invention;
FIG. 3 is a schematic diagram of the heavy phase column structure of the present invention;
FIG. 4 is a schematic view of the structure of a dispersion disk according to the present invention;
FIG. 5 is a flow chart of the method of the present invention;
in the figure: 1. a wash oil buffer tank; 2. a steam heating pipe; 3. a wash oil pump; 4. flushing the oil pipe; 5. a first steam conduit; 6. a first nitrogen conduit; 7. a heavy phase column; 8. a second steam conduit; 9. a second nitrogen conduit; 10. a modified asphalt pump; 11. a first driving motor; 12. an oil inlet pipe; 13. a first rotating shaft; 14. a first stirring blade; 15. a second stirring blade; 16. a fixing plate; 17. oblique stirring blades; 18. a steam inlet pipe; 19. an oil outlet pipe; 20. an outer sleeve; 21. a water inlet pipe; 22. a water outlet pipe; 23. a first heating pipe; 24. a second heating pipe; 25. a second driving motor; 26. a second rotating shaft; 27. a side support shaft; 28. a main support shaft; 29. an outer helical band; 30. an inner spiral belt; 31. a stirring shaft; 32. a dispersion plate; 33. a connecting pipe; 34. an upper flanging; 35. a lower hem; 36. a mounting hole; 37. and a through hole.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a device for preventing coking and jam of modified pitch tower pipeline, including wash oil buffer tank 1, steam heating pipe 2, wash oil pump 3, wash oil pipe 4, first steam conduit 5, first nitrogen gas conduit 6, heavy phase tower 7, second steam conduit 8, second nitrogen gas conduit 9, modified pitch pump 10, first driving motor 11, advance oil pipe 12, first pivot 13, first stirring leaf 14, second stirring leaf 15, fixed plate 16, slant stirring leaf 17, steam inlet pipe 18, go out oil pipe 19, outer tube 20, inlet tube 21, outlet tube 22, first heating pipe 23, second heating pipe 24, second driving motor 25, second pivot 26, side back shaft 27, main back shaft 28, outer helical band 29, inner helical band 30, (mixing) shaft 31, dispersion plate 32, connecting pipe 33, upper hem 34, lower hem 35, mounting hole 36 and through-hole 37, wash oil buffer tank 1's top one side welding has advance oil pipe 12, the outer tube 20 is installed through fixing bolt to the outside, inlet tube 21 is installed to the one side top of outer tube 20, top of outer tube 20 installs top one side 22 of top of outer tube 20 bottom 22; the first heating pipes 23 are respectively arranged at the corresponding two ends of one side of the inner wall of the outer sleeve 20, the steam inlet pipe 18 is symmetrically arranged at the bottom of one side of the outer wall of the outer sleeve 20, one end of the steam inlet pipe 18 is connected with the wash oil buffer tank 1, the oil outlet pipe 19 is welded in the middle of the bottom of the outer sleeve 20, one end of the oil outlet pipe 19 is connected with the wash oil buffer tank 1, the first driving motor 11 is arranged in the middle of the top of the wash oil buffer tank 1, the output end of the first driving motor 11 is connected with the first rotating shaft 13, one end of the first rotating shaft 13 extends into the wash oil buffer tank 1 and is fixedly connected with the fixed plate 16, the inclined stirring blades 17 are uniformly welded at the bottom of the fixed plate 16, the second stirring blades 15 are respectively and symmetrically welded at the corresponding two ends of one side of the second stirring blades 15, and stirring balls are uniformly arranged on the connecting rods; a first stirring blade 14 is arranged above the second stirring blade 15, and round holes are uniformly formed in the first stirring blade 14; the middle of the two sides of the inner wall of the wash oil buffer tank 1 is provided with a second heating pipe 24, one side of the wash oil buffer tank 1 is connected with a steam heating pipe 2, the steam heating pipe 2 is matched with a steam inlet pipe 18, an oil outlet pipe 19 is connected with one end of a wash oil pump 3 through a wash oil pipe 4, the other end of the wash oil pump 3 is respectively connected with a heavy phase tower 7 and a modified asphalt pump 10 through the wash oil pipe 4, one side of the wash oil pipe 4, which is positioned on the wash oil pump 3, is respectively provided with a first steam guide pipe 5 and a first nitrogen guide pipe 6, one side of the wash oil pipe 4, which is positioned on the modified asphalt pump 10, is respectively provided with a second steam guide pipe 8 and a second nitrogen guide pipe 9, a second driving motor 25 is arranged in the middle of the top of the heavy phase tower 7, racks are welded on the outer sides of the first driving motor 11 and the second driving motor 25, and the racks are respectively fixedly connected with the wash oil buffer tank 1 and the heavy phase tower 7 through bolts; the output end of the second driving motor 25 is connected with the second rotating shaft 26, one end of the second rotating shaft 26 extends into the wash oil buffer tank 1, a dispersion plate 32 is arranged at one end of the bottom of the second rotating shaft 26, upper folded edges 34 are uniformly arranged at the top of the dispersion plate 32, lower folded edges 35 are uniformly arranged at the bottom of the dispersion plate 32, the upper folded edges 34 and the lower folded edges 35 are staggered, through holes 37 are uniformly formed in the dispersion plate 32, a mounting hole 36 is formed in the middle of the dispersion plate 32, the mounting hole 36 is matched with the second rotating shaft 26, and the top and the bottom of the dispersion plate 32 are fixedly connected with the second rotating shaft 26 through limit nuts; the main supporting shaft 28 is arranged in the middle of the second rotating shaft 26, the side supporting shafts 27 are symmetrically arranged above and below the main supporting shaft 28, the main supporting shaft 28 is fixedly connected with the side supporting shafts 27 through the outer spiral belt 29 and the inner spiral belt 30, the stirring shaft 31 is symmetrically arranged at the top of the second rotating shaft 26, the connecting pipe 33 is arranged in the middle of the bottom of the heavy phase tower 7, and the connecting pipe 33 is connected with the flushing oil pipe 4.
Referring to fig. 5, the present invention provides a technical solution: a method for preventing coking and blockage of a pipeline of an upgraded asphalt tower comprises the steps of firstly, preheating wash oil; step two, replacing the modified asphalt pump; step three, wash oil is conveyed; step four, asphalt stirring; recovering production;
in the first step, wash oil is introduced into the wash oil buffer tank 1 through the oil inlet pipe 12, clean water is injected into the outer sleeve 20 through the water inlet pipe 21, the heating wire inside the first heating pipe 23 works to heat the clean water to 100 ℃, high-temperature steam is introduced into the wash oil buffer tank 1 through the matching of the steam heating pipe 2 and the steam inlet pipe 18, meanwhile, the heating wire inside the second heating pipe 24 works to heat the wash oil, the first driving motor 11 works, the first stirring blade 14, the second stirring blade 15 and the inclined stirring blade 17 are driven to rotate through the first rotating shaft 13, and the wash oil is fully stirred, so that the temperature of the wash oil in the wash oil buffer tank 1 is rapidly kept at about 100 ℃;
in the second step, when the modified asphalt pump 10 fails and cannot be processed, the wash oil pump 3 is started, wash oil is guided to the modified asphalt pump 10 through the wash oil pipe 4, and the modified asphalt pump 10 and the outlet are replaced by wash oil;
in the third step, washing oil is conveyed to the bottom of the heavy phase tower 7 through matching of the washing oil pump 3 and the washing oil pipe 4, and the washing oil is conveyed for 3-5t;
in the fourth step, steam and nitrogen are introduced through the first steam conduit 5 and the first nitrogen conduit 6, steam and nitrogen are introduced through the second steam conduit 8 and the second nitrogen conduit 9, the heavy phase tower 7 is blown up, the wash oil is mixed with asphalt in the tower, the second driving motor 25 works, the second rotating shaft 26 drives the side supporting shaft 27, the main supporting shaft 28, the stirring shaft 31 and the dispersing disc 32 to rotate, the dispersing disc 32 is matched with the stirring shaft 31 in a rotating way, so that high-speed uniform dispersion of materials is realized, the inner spiral belt 30 moves the materials to two sides, the outer spiral belt 29 moves the materials inwards from two sides, the materials are mixed back and forth, and the modified asphalt in the tower is mixed with soft asphalt at 40-50 ℃;
in the fifth step, the asphalt after the mixing is conveyed by the modified asphalt pump 10, the pipeline and the tower bottom are not blocked any more, and the production is resumed.
Based on the above, the invention has the advantages that when the invention is used, heat preservation is carried out through a water bath, high-temperature steam is introduced through the steam heating pipe 2, the washing oil is preheated to about 100 ℃ by matching with the second heating pipe 24, the first stirring blade 14, the second stirring blade 15 and the inclined stirring blade 17 are rotated, the washing oil is fully stirred, so that the washing oil can be quickly and fully preheated, the modified asphalt pump 10 and an outlet are completely replaced by the washing oil, the washing oil is conveyed to the bottom of the heavy phase tower 7, the stirring effect is achieved by blowing steam into the tower through the first steam conduit 5 and the first nitrogen conduit 6 and the second steam conduit 8 and the second nitrogen conduit 9, the stirring effect is improved by matching the outer spiral belt 29, the inner spiral belt 30 and the stirring shaft 31 with the dispersing disc 32, the production can be restored in a short period after the modified asphalt in the tower is dissolved to 40-50 ℃, and the modified asphalt system can be restored to be produced in a maximum of 2 hours after the modified asphalt system is in a fault, the modified asphalt system is not easy to cause blocking and the bottom of the tower is not required to be subjected to large shutdown treatment, and economic loss is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, manufacturing process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, manufacturing process, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a modified pitch tower pipeline coking and blocking prevention method, the device of modified pitch tower pipeline coking and blocking prevention that this method used, including wash oil buffer tank (1), steam heating pipe (2), wash oil pump (3), wash oil pipe (4), first steam conduit (5), first nitrogen gas conduit (6), heavy phase tower (7), second steam conduit (8), second nitrogen gas conduit (9), modified pitch pump (10), first driving motor (11), advance oil pipe (12), first pivot (13), first stirring leaf (14), second stirring leaf (15), fixed plate (16), slant stirring leaf (17), steam inlet pipe (18), go out oil pipe (19), outer tube (20), inlet tube (21), outlet pipe (22), first heating pipe (23), second heating pipe (24), second driving motor (25), second pivot (26), side back shaft (27), main support shaft (28), outer spiral band (29), interior spiral band (30), stirring axle (31), dispersion disk (32), connecting pipe (33), upper hem (34), lower hem (35), mounting hole (36) and through-hole (37), characterized in that: the utility model discloses a washing oil buffer tank, including outer tube (20) is installed through fixing bolt to the top one side welding of washing oil buffer tank (1), outer tube (20) are installed through fixing bolt to the outside of washing oil buffer tank (1), outer tube (20) inner wall one side corresponds both ends and all installs first heating pipe (23), steam inlet pipe (18) are installed to outer tube (20) outer wall one side bottom symmetry, and steam inlet pipe (18) one end is connected with washing oil buffer tank (1), the bottom intermediate welding of outer tube (20) has an oil outlet pipe (19), and oil outlet pipe (19) one end is connected with washing oil buffer tank (1), first driving motor (11) are installed in the middle of the top of washing oil buffer tank (1), the output and first pivot (13) are connected, first pivot (13) one end stretches into washing oil buffer tank (1) inside and fixed plate (16) fixed connection, slant stirring leaf (17) are evenly welded to fixed plate (16) bottom, second stirring leaf (15) are installed in the middle of first pivot (13), second pivot (15) are installed in the middle of the top of washing oil buffer tank (1), heating pipe (24) are installed to both sides, and steam heating pipe (2) and steam inlet pipe (18) cooperate, oil outlet pipe (19) are connected with wash oil pump (3) one end through wash oil pipe (4), wash oil pump (3) other end is connected with modified pitch pump (10) and heavy phase tower (7) through wash oil pipe (4) in proper order, be located wash oil pump (3) one side and be provided with first steam conduit (5) and first nitrogen gas pipe (6) respectively on wash oil pipe (4), be located modified pitch pump (10) one side and be provided with second steam conduit (8) and second nitrogen gas pipe (9) respectively on wash oil pipe (4), install second driving motor (25) in the middle of the top of heavy phase tower (7), the output and the second pivot (26) of second driving motor (25), and second pivot (26) one end stretches into inside wash oil buffer tank (1), dispersion dish (32) are installed to bottom one end of second pivot (26), dispersion dish (32) top evenly is provided with dispersion dish (34), evenly is provided with hem (34) on the bottom (35) and evenly is arranged hem (35), a main supporting shaft (28) is arranged in the middle of the second rotating shaft (26), side supporting shafts (27) are symmetrically arranged above and below the main supporting shaft (28), the main supporting shaft (28) is fixedly connected with the side supporting shafts (27) through an outer spiral belt (29) and an inner spiral belt (30), a stirring shaft (31) is symmetrically arranged at the top of the second rotating shaft (26), a connecting pipe (33) is arranged in the middle of the bottom of the heavy phase tower (7), and the connecting pipe (33) is connected with a flushing oil pipe (4);
the method comprises the steps of firstly, preheating wash oil; step two, replacing the modified asphalt pump; step three, wash oil is conveyed; step four, asphalt stirring; recovering production; the method is characterized in that:
in the first step, wash oil is led into a wash oil buffer tank (1) through an oil inlet pipe (12), clean water is injected into an outer sleeve (20) through a water inlet pipe (21), a heating wire in a first heating pipe (23) works, the clean water is heated to 100 ℃, high-temperature steam is led into the wash oil buffer tank (1) through the matching of a steam heating pipe (2) and a steam inlet pipe (18), meanwhile, a heating wire in a second heating pipe (24) works to heat the wash oil, a first driving motor (11) works, a first stirring blade (14), a second stirring blade (15) and an inclined stirring blade (17) are driven to rotate through a first rotating shaft (13), and the wash oil is fully stirred, so that the wash oil in the wash oil buffer tank (1) is rapidly kept at about 100 ℃;
in the second step, when the modified asphalt pump (10) fails and cannot be processed, the washing oil pump (3) is started, washing oil is guided to the modified asphalt pump (10) through the washing oil pipe (4), and the modified asphalt pump (10) and an outlet are replaced by washing oil;
in the third step, the washing oil is conveyed to the bottom of the heavy phase tower (7) through the matching of the washing oil pump (3) and the washing oil pipe (4);
in the fourth step, steam and nitrogen are introduced through the first steam conduit (5) and the first nitrogen conduit (6), steam and nitrogen are introduced through the second steam conduit (8) and the second nitrogen conduit (9), the heavy phase tower (7) is blown up, wash oil and asphalt in the tower are mixed, the second driving motor (25) works, the second rotating shaft (26) drives the side supporting shaft (27), the main supporting shaft (28), the stirring shaft (31) and the dispersing disc (32) to rotate, the dispersing disc (32) is rotated to be matched with the stirring shaft (31) to realize high-speed uniform dispersion of materials, the inner spiral belt (30) moves the materials to two sides, the outer spiral belt (29) moves the materials inwards from two sides to mix the materials back and forth, and the asphalt in the tower is dissolved into the soft asphalt at 40-50 ℃;
in the fifth step, the asphalt after the mixing is conveyed by a modified asphalt pump (10), the pipeline and the tower bottom are not blocked any more, and the production is recovered.
2. The method for preventing coking and clogging of a modified asphalt tower pipeline according to claim 1, characterized in that: in the third step, the wash oil is delivered for 3-5t.
3. The utility model provides a modified pitch tower pipeline coking and blocking's preventing device, including wash oil buffer tank (1), steam heating pipe (2), wash oil pump (3), wash oil pipe (4), first steam conduit (5), first nitrogen gas pipe (6), heavy phase tower (7), second steam conduit (8), second nitrogen gas pipe (9), modified pitch pump (10), first driving motor (11), advance oil pipe (12), first pivot (13), first stirring leaf (14), second stirring leaf (15), fixed plate (16), slant stirring leaf (17), steam inlet pipe (18), go out oil pipe (19), outer tube (20), inlet tube (21), outlet pipe (22), first heating pipe (23), second heating pipe (24), second driving motor (25), second pivot (26), side back shaft (27), main support axle (28), outer spiral band (29), inner spiral band (30), stirring axle (31), dispersion impeller (32), connecting pipe (33), upper hem (34), lower hem (35), mounting hole (36) and through-hole (37), its characterized in that: the utility model discloses a washing oil buffer tank, including outer tube (20) is installed through fixing bolt to the top one side welding of washing oil buffer tank (1), outer tube (20) are installed through fixing bolt to the outside of washing oil buffer tank (1), outer tube (20) inner wall one side corresponds both ends and all installs first heating pipe (23), steam inlet pipe (18) are installed to outer tube (20) outer wall one side bottom symmetry, and steam inlet pipe (18) one end is connected with washing oil buffer tank (1), the bottom intermediate welding of outer tube (20) has an oil outlet pipe (19), and oil outlet pipe (19) one end is connected with washing oil buffer tank (1), first driving motor (11) are installed in the middle of the top of washing oil buffer tank (1), the output and first pivot (13) are connected, first pivot (13) one end stretches into washing oil buffer tank (1) inside and fixed plate (16) fixed connection, slant stirring leaf (17) are evenly welded to fixed plate (16) bottom, second stirring leaf (15) are installed in the middle of first pivot (13), second pivot (15) are installed in the middle of the top of washing oil buffer tank (1), heating pipe (24) are installed to both sides, and steam heating pipe (2) and steam inlet pipe (18) cooperate, oil outlet pipe (19) are connected with wash oil pump (3) one end through wash oil pipe (4), wash oil pump (3) other end is connected with modified pitch pump (10) and heavy phase tower (7) through wash oil pipe (4) in proper order, be located wash oil pump (3) one side and be provided with first steam conduit (5) and first nitrogen gas pipe (6) respectively on wash oil pipe (4), be located modified pitch pump (10) one side and be provided with second steam conduit (8) and second nitrogen gas pipe (9) respectively on wash oil pipe (4), install second driving motor (25) in the middle of the top of heavy phase tower (7), the output and the second pivot (26) of second driving motor (25), and second pivot (26) one end stretches into inside wash oil buffer tank (1), dispersion dish (32) are installed to bottom one end of second pivot (26), dispersion dish (32) top evenly is provided with dispersion dish (34), evenly is provided with hem (34) on the bottom (35) and evenly is arranged hem (35), the main support shaft (28) is arranged in the middle of the second rotating shaft (26), the side support shafts (27) are symmetrically arranged above and below the main support shaft (28), the main support shaft (28) is fixedly connected with the side support shafts (27) through an outer spiral belt (29) and an inner spiral belt (30), the stirring shaft (31) is symmetrically arranged at the top of the second rotating shaft (26), the connecting pipe (33) is arranged in the middle of the bottom of the heavy phase tower (7), and the connecting pipe (33) is connected with the flushing oil pipe (4).
4. A device for preventing coking and clogging of a conduit for a modified asphalt tower according to claim 3, characterized in that: a water inlet pipe (21) is arranged at the top of one side of the outer sleeve (20), and a water outlet pipe (22) is arranged at the top and bottom of one side of the outer sleeve (20).
5. A device for preventing coking and clogging of a conduit for a modified asphalt tower according to claim 3, characterized in that: connecting rods are symmetrically welded at two corresponding ends of one side of the second stirring blade (15), and stirring balls are uniformly arranged on the connecting rods.
6. A device for preventing coking and clogging of a conduit for a modified asphalt tower according to claim 3, characterized in that: round holes are uniformly formed in the first stirring blades (14).
7. A device for preventing coking and clogging of a conduit for a modified asphalt tower according to claim 3, characterized in that: the middle of the dispersion disc (32) is provided with a mounting hole (36), the mounting hole (36) is matched with the second rotating shaft (26), and the top and the bottom of the dispersion disc (32) are fixedly connected with the second rotating shaft (26) through limit nuts.
8. A device for preventing coking and clogging of a conduit for a modified asphalt tower according to claim 3, characterized in that: the outer sides of the first driving motor (11) and the second driving motor (25) are welded with a frame, and the frame is fixedly connected with the wash oil buffer tank (1) and the heavy phase tower (7) through bolts respectively.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634629U (en) * | 2010-02-23 | 2010-11-17 | 邹炎 | Double-tank type tar asphalt heating system |
| CN102344820A (en) * | 2011-09-09 | 2012-02-08 | 宝钢工程技术集团有限公司 | Method and system for continuously producing modified asphalt by using tubular furnace way |
| CN105331384A (en) * | 2015-11-23 | 2016-02-17 | 首钢水城钢铁（集团）有限责任公司 | Modified asphalt continuous production system and method |
| CN106800941A (en) * | 2017-03-22 | 2017-06-06 | 中国石油大学(华东) | Biomass downlink cycle bed millisecond pyrolysis liquefaction device |
| CN108251136A (en) * | 2016-12-28 | 2018-07-06 | 何巨堂 | The classified reclaiming method of tar in a kind of hydrocarbon powders flowing purification bed pyrolysis coal gas |
| CN207680601U (en) * | 2017-11-28 | 2018-08-03 | 玉门油田科达化学有限责任公司 | A kind of emulsified asphalt reaction kettle |
| CN208054905U (en) * | 2018-03-07 | 2018-11-06 | 武汉钢铁有限公司 | A kind of modified coal tar pitch medial launder draw-out device that can improve service life |
| CN208115192U (en) * | 2018-02-02 | 2018-11-20 | 平顶山东晟高科实业有限公司 | A kind of coproduction dipping agent bitumen flash system |
| CN109251758A (en) * | 2017-07-13 | 2019-01-22 | 鞍钢股份有限公司 | A kind of method of modified coal tar pitch halt production Rapid replacement |
| CN208894049U (en) * | 2018-08-16 | 2019-05-24 | 广州市东泓川发新能源有限公司 | A kind of hot air circulation OIL IN LUBRICATING OIL PRODUCTION equipment |
| CN208894050U (en) * | 2018-08-16 | 2019-05-24 | 广州市东泓川发新能源有限公司 | A kind of internal electric heating type gear oil reconciliation kettle |
| CN210340780U (en) * | 2019-08-19 | 2020-04-17 | 七台河宝泰隆新能源有限公司 | Prevention device for coking and pipeline blockage of reformed asphalt tower pipeline |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513520C (en) * | 2005-07-05 | 2009-07-15 | 中国石油大学(北京) | Method for realizing heavy oil deep-step separation by coupled residue granulating |
| FR2981659B1 (en) * | 2011-10-20 | 2013-11-01 | Ifp Energies Now | PROCESS FOR CONVERTING PETROLEUM LOADS COMPRISING A BOILING BED HYDROCONVERSION STEP AND A FIXED BED HYDROTREATMENT STEP FOR THE PRODUCTION OF LOW SULFUR CONTENT |
| US9200211B2 (en) * | 2012-01-17 | 2015-12-01 | Meg Energy Corp. | Low complexity, high yield conversion of heavy hydrocarbons |
| US20220098495A1 (en) * | 2019-01-30 | 2022-03-31 | Exxonmobil Chemical Patents Inc. | Process and System for Processing Asphaltenes-Rich Feed |
-
2019
- 2019-08-19 CN CN201910762150.9A patent/CN110396421B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634629U (en) * | 2010-02-23 | 2010-11-17 | 邹炎 | Double-tank type tar asphalt heating system |
| CN102344820A (en) * | 2011-09-09 | 2012-02-08 | 宝钢工程技术集团有限公司 | Method and system for continuously producing modified asphalt by using tubular furnace way |
| CN105331384A (en) * | 2015-11-23 | 2016-02-17 | 首钢水城钢铁（集团）有限责任公司 | Modified asphalt continuous production system and method |
| CN108251136A (en) * | 2016-12-28 | 2018-07-06 | 何巨堂 | The classified reclaiming method of tar in a kind of hydrocarbon powders flowing purification bed pyrolysis coal gas |
| CN106800941A (en) * | 2017-03-22 | 2017-06-06 | 中国石油大学(华东) | Biomass downlink cycle bed millisecond pyrolysis liquefaction device |
| CN109251758A (en) * | 2017-07-13 | 2019-01-22 | 鞍钢股份有限公司 | A kind of method of modified coal tar pitch halt production Rapid replacement |
| CN207680601U (en) * | 2017-11-28 | 2018-08-03 | 玉门油田科达化学有限责任公司 | A kind of emulsified asphalt reaction kettle |
| CN208115192U (en) * | 2018-02-02 | 2018-11-20 | 平顶山东晟高科实业有限公司 | A kind of coproduction dipping agent bitumen flash system |
| CN208054905U (en) * | 2018-03-07 | 2018-11-06 | 武汉钢铁有限公司 | A kind of modified coal tar pitch medial launder draw-out device that can improve service life |
| CN208894049U (en) * | 2018-08-16 | 2019-05-24 | 广州市东泓川发新能源有限公司 | A kind of hot air circulation OIL IN LUBRICATING OIL PRODUCTION equipment |
| CN208894050U (en) * | 2018-08-16 | 2019-05-24 | 广州市东泓川发新能源有限公司 | A kind of internal electric heating type gear oil reconciliation kettle |
| CN210340780U (en) * | 2019-08-19 | 2020-04-17 | 七台河宝泰隆新能源有限公司 | Prevention device for coking and pipeline blockage of reformed asphalt tower pipeline |
Non-Patent Citations (2)
| Title |
|---|
| SBS改性沥青工艺管道堵塞的成因分析及对策;王文丰;;天津化工(第01期);全文 * |
| 改质沥青生产实践及改进措施;李志杰, 苗兵义;煤化工(第03期);全文 * |
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