CN102977908B - Heater for separating crude oil from asphalt oil sand ore - Google Patents
Heater for separating crude oil from asphalt oil sand ore Download PDFInfo
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- CN102977908B CN102977908B CN201210509063.0A CN201210509063A CN102977908B CN 102977908 B CN102977908 B CN 102977908B CN 201210509063 A CN201210509063 A CN 201210509063A CN 102977908 B CN102977908 B CN 102977908B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
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- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 43
- 239000003921 oil Substances 0.000 claims description 31
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- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- 238000012216 screening Methods 0.000 claims description 9
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Abstract
The invention discloses a heater for separating crude oil from asphalt oil sand ore, and the heater comprises a barrel assembly which is mounted on two support assemblies and in transmission connection with a power system, wherein a heating system is arranged in the inner cavity of the barrel assembly; the front end of the inner cavity of the barrel assembly is communicated with the feeding hole through a sealing assembly, while the rear end of the inner cavity of the barrel assembly is communicated with a discharging box through other sealing assembly; and the front end and the rear end of the barrel assembly are arranged slantwise. The heater for separating crude oil from asphalt oil sand ore provided by the invention can be used for overcoming the technical problems of heating, crashing, separation and the like of the asphalt placer, thereby achieving the purpose of separating the crude oil from the asphalt oil sand ore.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to a kind of for separate the well heater of crude oil from asphalt oil placer.
Background technology
Oil-sand ore deposit, refer to fragmental products or the rock of veneer of crust, the general designation of the mixing oil placer material forming with wherein contained water and pitch, it is in fact the mixture of a kind of pitch, sand, rich ore clay and water, wherein, asphalt content is about 6～12%, and the materials such as sand and clay account for 75～85%, remaining is water, has the feature of high-density, high viscosity, high ratio of carbon-hydrogen and high metal content.The oil-sand ore deposit later stage that ancient abtragung causes is sneaked into phenomenon by the buried rear conventional crude that often has later stage formation.
Along with the fast development of global economy, conventional oil resource can not meet the rapid growth of petroleum demand, and people start sight to turn to non-conventional oil resource, and one of them is exactly oil-sand, oil-sand belongs to unconventional petroleum resources, is important hydrocarbon resources substitute.But except Canada, not yet form scale so far.Oil-sand ore deposit mainly adopts opencast mode extraction in the world at present, and its gordian technique is the oil-sand separation technology in refining.The technical problem that need to consider for oil-sand separation technique is as follows:
1) because asphalt oil placer has certain toughness at normal temperatures, and hourly output is large (single device hourly output reaches 100 tons/hour), machinery or the external force that under normal temperature, cannot complete rock asphalt oil-sand ore deposit are pulverized, need to solve the problem that raw ore is pulverized, just can complete the abundant dispersing and disintegrating in rock asphalt oil-sand ore deposit.
2) to solve asphalt oil sand ore and separate medicament in heating mixing process, ensureing not dead angle and the bonding phenomenon of existence rationality of warming interface of asphalt oil sand ore and device.
3) due to the place of production difference of asphalt oil placer, the pitch containing and moisture difference are larger, therefore, larger technique setting range are set, adjust different processing requirement and the temperature requirements such as heating material, mixing, reaction, separation, to meet the rock asphalt ore of different situations.
4) because asphalt oil placer is after separating, contain a large amount of sandstones, more serious to the wearing and tearing of equipment, therefore to reduce as far as possible the wearing and tearing of equipment, to meet the long-term needs of operation continuously of equipment;
5) in to the process of asphalt oil placer heating, raw ore is separating under the effect of medicament, can discharge a small amount of low-carbon (LC) aromatic hydrocarbon, can cause the injury to human body and there is the danger of blast, therefore in technological process, need strictly airtight, for this reason, need the sealing problem in solving device working process.
6) tripping device accomplish as far as possible simple in structure, easy to operate, be convenient to maintenance or change parts.
7) owing to containing some not ore of oil-containing in asphalt oil sand ore, wherein larger stone, flowing into after next procedure, can cause damage to equipment.Therefore, need to oil-containing not be greater than 50mm be rejected to equipment outside compared with ratchel.
8) the fritter stone in asphalt ore is easily stuck in equipment.
Also not for separate the well heater of crude oil from asphalt oil placer, therefore, for the above-mentioned technical problem of mentioning, be badly in need of developing development at present.
Summary of the invention
The object of this invention is to provide a kind ofly for separate the well heater of crude oil from asphalt oil placer, overcome the technical problems such as heating to asphalt oil placer, pulverizing, separation, realized the object that separates crude oil from asphalt oil placer.
The technical solution adopted in the present invention is, a kind ofly comprises cylinder assembly for separate the well heater of crude oil from asphalt oil placer, and cylinder assembly is arranged on two groups of bearing assemblies, and cylinder assembly and power system are in transmission connection; Cylinder assembly inner chamber is provided with heating system, and the front end of cylinder assembly inner chamber is by seal stack assembly and opening for feed UNICOM, and the rear end of cylinder assembly inner chamber is by another group seal assembly and feed box UNICOM, and the front and back end of cylinder assembly is obliquely installed.
The invention has the beneficial effects as follows:
1) raw ore does not need to pulverize, and directly ore is joined in apparatus of the present invention, directly implements the abundant dispersing and disintegrating in rock asphalt oil-sand ore deposit.
2) apparatus of the present invention adopt the indirect heating mode of doing thermal source with saturation steam, thereby increase the specific surface area of material, increase material and the contact area of installing warming interface, to improve the heat transmission to material, meet the temperature that heating material intensification reaches processing requirement, improve the thermo-efficiency of device, reduce running cost and the eco-friendly requirement of device.
3) in to the process of asphalt oil placer heating, make raw ore separating under the effect of medicament, by the External Force Acting of device, can be by relatively large ore, fragmentation is dispersed into tiny particle gradually; Can also make material and separate medicament and fully mix, increase solid materials and the speed that separates medicament and react, Reaction time shorten, improves the working efficiency of device.
4) apparatus of the present invention asphalt oil sand ore with separate in the heating mixing process of medicament, make asphalt oil sand ore materials in equipment in continuous rolling and whipped state, ensure not dead angle and the bonding phenomenon of existence rationality of warming interface of asphalt oil sand ore and device.
5) apparatus of the present invention can arrange larger technique setting range, to meet the rock asphalt ore of different situations; For adjusting different processing requirement and the temperature requirements such as heating material, mixing, reaction, separation, apparatus of the present invention are provided with motor with stepless speed regulation, by adjusting the rotating speed of equipment, adjust the residence time of material in equipment, thereby it is different with oleaginousness to reach asphalt oil sand ore water content, adjust processing requirement and the temperature requirement that need to reach, to complete separating completely of crude oil and sandstone.
6) in to the process of asphalt oil placer heating, raw ore, separating under the effect of medicament, can discharge a small amount of low-carbon (LC) aromatic hydrocarbon, can cause the injury to human body and have the danger of blast, and therefore apparatus of the present invention are strictly airtight, solved the problem of sealing.
7) apparatus of the present invention can oil-containing not be greater than 50mm be rejected to equipment outside compared with ratchel; Solved the stuck problem in equipment of the fritter stone in asphalt ore simultaneously.
8) simple in structure, easy to operate, be convenient to maintenance or change parts, reduce as far as possible the wearing and tearing of equipment by employing steelwork, to meet the long-term needs of operation continuously of equipment.
Above-mentioned feature, makes well heater thermo-efficiency of the present invention high, and heating-surface area is large, and output is high, good sealing effect, and floor space is little, and one-time investment is little, and equipment attrition is less, and Operation and Maintenance is simple, greatly reduces the cost of exploitation asphalt oil placer.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the cylinder assembly structural representation in apparatus of the present invention;
Fig. 3 is the cylinder assembly C-C cross section structure schematic diagram in Fig. 3;
Fig. 4 is the cylinder assembly screening structural representation in apparatus of the present invention;
Fig. 5 is outer cylinder body in apparatus of the present invention and the installation schematic cross-section of heating tube;
Fig. 6 is the heating system structural representation in apparatus of the present invention;
Fig. 7 is the heating system A-A cross section structure schematic diagram in Fig. 6;
Fig. 8 is the heating system B-B cross section structure schematic diagram in Fig. 6;
Fig. 9 is the seal component architecture schematic diagram in apparatus of the present invention;
Figure 10 is the feed box structural representation in apparatus of the present invention;
Figure 11 is the feed box side-looking structural representation in apparatus of the present invention;
Figure 12 is apparatus of the present invention principle of work schematic diagram.
In figure, 1. opening for feed, 2. cylinder assembly, 3. heating system, 4. feed box, 5. bearing assembly, 6. power system, 7. seal assembly;
20. walk to expect passage, 21. outer cylinder bodies, 22. insulation jacket, 23. blocking material plates, 24. hammering devices, 25. screening structures, 26. meshes, 27. flow deflectors, 28. blocking material plates;
31. pipe connectings, 32. heating tubes, 33. condensate ruturn pipes, 34. water of condensation collecting mains, 35. heating tube collectors, 36. steam inlet tubes, 37. water of condensation rising pipes, 38. hurricane bands;
41. hoppers, 42. access holes, 43. venting ports, 44. supports, 45. discharge ports, 46. waste material mouths;
71. adjusting bolts, 72. springs, 73. stationary ring set collars, 74. stationary rings, 75. rotating rings, 76. corrugated tubes.
Embodiment
With reference to Fig. 1, the present invention for the overall structure that separates the well heater of crude oil from asphalt oil placer is, comprises cylinder assembly 2, and cylinder assembly 2 is arranged on two groups of bearing assemblies 5, and cylinder assembly 2 is in transmission connection with power system 6; Cylinder assembly 2 inner chambers are provided with heating system 3, and the front end of cylinder assembly 2 inner chambers is by seal stack assembly 7 and opening for feed 1 UNICOM, and the rear end of cylinder assembly 2 inner chambers is by another group seal assembly 7 and feed box 4 UNICOMs, and the front and back end of cylinder assembly 2 is obliquely installed.Wherein, heating system 3 and cylinder assembly 4, seal assembly 7 are core components of well heater of the present invention.
With reference to Fig. 2, Fig. 3, Fig. 4, the structure of cylinder assembly 2 is, comprise the outer cylinder body 21 as main body, be coated with one layer of heat preservation chuck 22 at outer cylinder body 21, respectively be provided with a concentric passage 20(that walks to expect in the front and back end of outer cylinder body 21 and see Fig. 9), on the barrel of outer cylinder body 21, (middle section position) is provided with hammering device 24, at uniform four hammering devices 24 of outer cylinder body 21 circumferential directions, be provided with blocking material plate 23 at the back segment of outer cylinder body 21, be provided with screening structure 25 in the rear end of blocking material plate 23;
Screening structure 25 comprises a blocking material plate 28, is densely covered with mesh 26 on blocking material plate 28, is also provided with the flow deflector 27 of inclination on blocking material plate 28, and flow deflector 27 numbers are at least one.
With reference to Fig. 5, Fig. 6, Fig. 7, Fig. 8, the structure of heating system 3 is, in outer cylinder body 21 inner chambers in concentric(al) circles mode, be arranged with from the inside to the outside two to four circle heating tubes 32, every circle heating tube 32 is all provided with many along even circumferential, and every heating tube 32 is all along outer cylinder body 21 longitudinal arrangements, and circle heating tube 32 inside are provided with a circle condensate ruturn pipe 33 therein, every circle condensate ruturn pipe 33 is all provided with many along even circumferential, and every condensate ruturn pipe 33 is all along outer cylinder body 21 longitudinal arrangements; Be provided with two concentric spindle tubes at the aft end face of outer cylinder body 21, the spindle tube of outer ring is as water of condensation rising pipe 37, the spindle tube of inner ring is as steam inlet tube 36, all heating tubes 32 are by heating tube collecting main 35 and steam inlet tube 36 UNICOMs, the other end of all heating tubes 32 is by pipe connecting 31 and condensate ruturn pipe 33 UNICOMs, all condensate ruturn pipes 33 are by water of condensation collecting main 34 and water of condensation rising pipe 37 UNICOMs, realize passing into and the discharge of water of condensation of steam; In addition, on heating tube 32 and condensate ruturn pipe 33 outside surfaces, be jointly provided with the hurricane band 38 of perforation front and back, for promoting material (steam inlet tube 36 one end) movement backward.
With reference to Fig. 9, the structure of seal assembly 7 is, on the cylindrical of walking to expect passage 20 that stretches out outer cylinder body 21, be set with simultaneously and regulate support plate and corrugated tube 76, corrugated tube 76 is provided with a stationary ring set collar 73 along circumference outer, on this stationary ring set collar 73, be fixed with a stationary ring 74, stationary ring 74 and the corresponding suit of rotating ring 75 on outer cylinder body 21 end faces, and keep being slidably matched; Regulate the preferred disc of support plate, on adjusting support plate, be provided with at least one group of adjusting bolt 71, between every group of adjusting bolt 71 and corrugated tube 76, be provided with a spring 72, for to outer cylinder body 21 directions extruding corrugated tubes 76, make stationary ring 74 and rotating ring 75 keep close contact.
With reference to Figure 10, Figure 11, the structure of feed box 4 is, comprise hopper 41, hopper 41 upper ends are provided with venting port 43, for discharging the part moisture of heat-processed, hopper 41 lower ends are provided with discharge port 45, and hopper 41 rear ends are provided with waste material mouth 46, and hopper 41 is also provided with access hole 42 and support 44 in addition.
With reference to Figure 12, the principle of work of well heater of the present invention is: steam is distributed to each heating tube 32 by heating tube collecting main 35 after being entered by steam inlet tube 36, each heating tube 32 carries out after heat exchange with material, water of condensation is collected to condensate ruturn pipe 33, then is discharged by water of condensation collecting main 34, water of condensation rising pipe 37 by condensate ruturn pipe; Material is subject to the elevate a turnable ladder of heating tube 32 and hurricane band 38 and stirring action and is heated in well heater, and stir and advance to discharge port direction from opening for feed by obliquity and the hurricane band 38 of well heater, finally discharge from feed box 4 classification that are located at afterbody, wherein, isolated oil-containing oil-sand is discharged from discharge port 45 by the screening of screening structure 25, and the waste material of isolated not oil-containing is discharged from waste material mouth 46 by the barrier of sieving structure 25.
Well heater of the present invention is carrying out oil, in the separating technology of sand and water, the asphalt oil sand ore that contains certain moisture and pitch and a certain proportion of oil-sand separation medicament need to be heated in the temperature range of technique needs, complete the abundant mixing with oil-sand separation medicament simultaneously, stir, reaction, make material and separate medicament and fully contact, and react, the asphalt oil sand ore that contains certain moisture and pitch is fully broken, the asphalt oil sand ore decomposition of bulk becomes short grained oil-sand stone the most at last, or dispersion becomes extremely small oil-sand particle, realize and be coated on peeling off completely of crude oil around of sandstone and sandstone in asphalt oil sand ore, because the density of crude oil is less than the density that separates medicament and sandstone, crude oil will fly at mixture upper strata, thereby the crude oil completing in asphalt oil sand ore separates with sandstone, reach the object refining crude oil.
In sum, device of the present invention, specifically take following technical measures:
1) well heater of the present invention adopts the indirect conduction heating mode of doing thermal source with saturation steam, at the heating tube of the uniform interior logical steam of well heater internal tank annular.Adopt rotating out cylinder to do prop carrier, out cylinder is done the container portions of well heater, can meet the requirement that hourly output is large; Heating tube cylinder interior outside simultaneously, logical steam in heating tube, steam collects in inner barrel, does not outwards run off, and is all used to provide to heating material, improves heat transfer efficiency.Due to the raising greatly of heat transfer efficiency, the volume that significantly reduces equipment has reduced the floor space of equipment, greatly reduces cost of winning.
2) well heater of the present invention has adopted the form that goes up winding screw band at warming interface (heating tube) along its length, spacing between every two adjacent heating tubes is through presetting, can make the asphalt oil sand ore that enters inner barrel along with barrel body rotation, heat up as early as possible.Hurricane band connects as one heating tube and well heater outer cylinder body on the one hand, and heating tube and outer cylinder body are rotated simultaneously, ensures that material is abundant with the stirring that separates medicament, mixes, accelerates oil-sand separation speed; Promoting again on the other hand material rearward moves at discharge port place.For ensureing the needs of processing requirement, the main motor in power system adopts the form of stepless speed regulation.
3) well heater of the present invention adopts in the outside structure that hammering device is installed of cylindrical shell, at uniform four hammering devices of cylindrical shell circumferential direction, along with the rotation of outer cylinder body, the steel ball of hammering device the inside freely falls when barrel body rotation is to the top outside, knock on outer cylinder body, because steel ball has certain weight, just form certain percussion power, can give the relatively large certain vibrations of ore, accelerate the broken process that is dispersed into fine particle, thereby increase the specific surface area of material, increase material and the contact area of installing warming interface, to improve the heat transmission to material, meet the temperature that heating material intensification reaches processing requirement.In addition, can also effectively prevent that the stone of fritter is stuck in heating tube.
4) be the problem of solution equipment heat transfer area, well heater of the present invention fully takes into account equipment and in less space, has arranged larger heat transfer area, improves throughput.Owing to adopting steel pipe as warming interface, the contact area of material and warming interface is reduced, can make material have enough heating-surface areas, can make again material can not be bonded on heating tube, reduce motor service rating., because material is being rapidly heated of inner barrel, disperse rapidly simultaneously, also reduced the wearing and tearing to equipment, meet the long-time running of equipment energy.
5) for making internal tank that temperature drop not occur, outer cylinder body outside surface is made into the structure with muff.
6) be the sealing problem of solution equipment, well heater of the present invention adopts special seal component architecture, ensures that a small amount of low-carbon (LC) aromatic hydrocarbon discharging do not reveal in heat-processed, without harm.
7) for the not oil-containing in rock asphalt oil-sand ore deposit, being discharged to outside equipment compared with ratchel of being greater than 50mm, well heater of the present invention increases a screening structure at cylindrical shell afterbody, on sieve plate, be provided with flow deflector and blocking material plate, tiny ore after dispersion flow into discharge port by screen cloth, larger stone floats on sieve plate, this part stone and a part of tiny ore are along with flow deflector converges to screen cloth afterbody, blocking material plate is located at screen cloth afterbody, and tiny ore is tackled and got off to return sieve screen apertures inflow discharge port by blocking material plate; The diversed plate water conservancy diversion of stone goes out outside screen cloth, discharges by waste material mouth.
8) for reducing the wearing and tearing of ore to equipment, all and equipment material ore contact part all adopts high-abrasive material, and suitably increases material thickness, the long-term operation continuously of guarantee equipment.
9) heater structure of the present invention is simple, and all parts is all detachably changed, and is convenient to maintenance, has reduced the amount of machining of equipment, and manufacturing expense is lower.
Claims (6)
1. one kind for separating the well heater of crude oil from asphalt oil placer, it is characterized in that: comprise cylinder assembly (2), it is upper that cylinder assembly (2) is arranged on two groups of bearing assemblies (5), and cylinder assembly (2) is in transmission connection with power system (6); Cylinder assembly (2) inner chamber is provided with heating system (3), the front end of cylinder assembly (2) inner chamber is by seal stack assembly (7) and opening for feed (1) UNICOM, the rear end of cylinder assembly (2) inner chamber is by another group seal assembly (7) and feed box (4) UNICOM, and the front and back end of cylinder assembly (2) is obliquely installed;
Described cylinder assembly (2) comprises outer cylinder body (21), be coated with one layer of heat preservation chuck (22) at outer cylinder body (21), respectively be provided with one in the front and back end of outer cylinder body (21) and concentric walk to expect passage (20), hammering device (24) is installed on the barrel of outer cylinder body (21), be provided with blocking material plate (23) at the back segment of outer cylinder body (21), be provided with screening structure (25) in the rear end of blocking material plate (23).
2. according to claim 1 for separate the well heater of crude oil from asphalt oil placer, it is characterized in that: described screening structure (25) comprises a blocking material plate (28), on blocking material plate (28), be densely covered with mesh (26), on blocking material plate (28), be also provided with the flow deflector (27) of inclination.
3. according to claim 1 for separate the well heater of crude oil from asphalt oil placer, it is characterized in that: the structure of described heating system (3) is, in outer cylinder body (21) inner chamber in concentric(al) circles mode, be arranged with from the inside to the outside two to four circle heating tubes (32), every circle heating tube (32) is all provided with many along even circumferential, every heating tube (32) is all along outer cylinder body (21) longitudinal arrangement, circle heating tube (32) inside is provided with a circle condensate ruturn pipe (33) therein, every circle condensate ruturn pipe (33) is all provided with many along even circumferential, every condensate ruturn pipe (33) is all along outer cylinder body (21) longitudinal arrangement,
Be provided with two concentric spindle tubes at the aft end face of outer cylinder body (21), the spindle tube of outer ring is as water of condensation rising pipe (37), the spindle tube of inner ring is as steam inlet tube (36), all heating tubes (32) are by heating tube collecting main (35) and steam inlet tube (36) UNICOM, the other end of all heating tubes (32) is by pipe connecting (31) and condensate ruturn pipe (33) UNICOM, and all condensate ruturn pipes (33) are by water of condensation collecting main (34) and water of condensation rising pipe (37) UNICOM;
On heating tube (32) and condensate ruturn pipe (33) outside surface, be jointly provided with the hurricane band (38) of perforation front and back.
4. according to claim 1 for separate the well heater of crude oil from asphalt oil placer, it is characterized in that: the structure of described seal assembly (7) is, on the cylindrical of walking to expect passage (20) that stretches out outer cylinder body (21), be set with simultaneously and regulate support plate and corrugated tube (76), corrugated tube (76) is provided with a stationary ring set collar (73) along circumference outer, on this stationary ring set collar (73), be fixed with a stationary ring (74), stationary ring (74) and the corresponding suit of rotating ring (75) on outer cylinder body (21) end face, and keep being slidably matched, on adjusting support plate, be provided with at least one group of adjusting bolt (71), between every group of adjusting bolt (71) and corrugated tube (76), be provided with a spring (72).
5. according to claim 1 for separate the well heater of crude oil from asphalt oil placer, it is characterized in that: the structure of described feed box (4) is, comprise hopper (41), hopper (41) upper end is provided with venting port (43), hopper (41) lower end is provided with discharge port (45), and hopper (41) rear end is provided with waste material mouth (46).
6. according to claim 5 for separate the well heater of crude oil from asphalt oil placer, it is characterized in that: described hopper (41) is also provided with access hole (42) and support (44) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210509063.0A CN102977908B (en) | 2012-12-03 | 2012-12-03 | Heater for separating crude oil from asphalt oil sand ore |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210509063.0A CN102977908B (en) | 2012-12-03 | 2012-12-03 | Heater for separating crude oil from asphalt oil sand ore |
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| Publication Number | Publication Date |
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| CN102977908A CN102977908A (en) | 2013-03-20 |
| CN102977908B true CN102977908B (en) | 2014-08-06 |
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| CN201210509063.0A Expired - Fee Related CN102977908B (en) | 2012-12-03 | 2012-12-03 | Heater for separating crude oil from asphalt oil sand ore |
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| CN106321019A (en) * | 2016-10-13 | 2017-01-11 | 广汉市思科信达科技有限公司 | Heating paraffin-control ring |
| CN106287096A (en) * | 2016-10-13 | 2017-01-04 | 广汉市思科信达科技有限公司 | Pipeline adds heat wax preventing device |
| CN106352190A (en) * | 2016-10-13 | 2017-01-25 | 广汉市思科信达科技有限公司 | Pipeline paraffin control part |
| CN116748194B (en) * | 2023-08-14 | 2023-10-20 | 山西新鸿顺能源有限公司 | Waste mineral oil utilization impurity removing device |
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| CN2133358Y (en) * | 1992-04-10 | 1993-05-19 | 中国科学院化工冶金研究所 | Powder producing device with grinding, mixing, heating and coating functions |
| CN202133088U (en) * | 2011-06-29 | 2012-02-01 | 中国石油化工股份有限公司 | Horizontal-type efficient and energy-saving heating furnace |
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| JP4459394B2 (en) * | 2000-06-23 | 2010-04-28 | 金井 正夫 | Method and apparatus for separating and refining high viscosity oil by evaporating waste oil of high viscosity oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133358Y (en) * | 1992-04-10 | 1993-05-19 | 中国科学院化工冶金研究所 | Powder producing device with grinding, mixing, heating and coating functions |
| CN202133088U (en) * | 2011-06-29 | 2012-02-01 | 中国石油化工股份有限公司 | Horizontal-type efficient and energy-saving heating furnace |
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