CN111592931A - Crude oil refining production line and refining process flow thereof - Google Patents

Abstract

The invention relates to the field of crude oil refining, and discloses a crude oil refining production line and a refining process flow thereof, which comprise a filtering device, a degumming tank and a deacidification tank, wherein a transmission case is fixedly arranged between the degumming tank and the deacidification tank, the transmission case comprises a top plate, a side plate I and a side plate II, the top plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a bevel gear I, the side plate I and the side plate II are both connected with a transmission assembly, the transmission assembly comprises a cross rod and a rotating shaft, the two ends of the cross rod are fixedly provided with the bevel gear II and the bevel gear III, the tank bodies of the degumming tank and the deacidification tank are both internally provided with vertical rotating shafts, the lower end part of the rotating shaft is fixedly connected with a bevel gear IV, the rotating shafts are fixedly connected with a plurality of stirring blades, and the.

Description

Crude oil refining production line and refining process flow thereof

Technical Field

The invention relates to the field of crude oil refining, in particular to a crude oil refining production line and a refining process flow thereof.

Background

Crude oil refers to primary oil obtained from animal or vegetable oil without refining. The crude oil has simple processing technology, contains more impurities, is easy to oxidize and deteriorate, is not suitable for long-term storage, can have the problems of pesticide residue, heavy metal pollution and the like and contains harmful substances because of unrefined crude oil, for example, the crude oil contains gossypol, and people suffering from chronic gossypol poisoning often have fever, limb weakness, appetite reduction and even loss of labor capacity; the raw peanut oil and the raw corn oil contain aflatoxin which is a strong carcinogenic substance, the allowable content of the refined oil is 20 micrograms per kilogram of edible oil, and the unrefined peanut oil can contain up to 600 micrograms; the rapeseed oil contains a large amount of erucic acid and sulfuric glucoside compounds, and the compounds can aggravate the disease of people suffering from cardiovascular diseases and can also cause goiter; the raw rice bran oil and the sunflower seed oil contain about 2 percent of nondigestible wax; soybean oil and rape oil contain 1% -3% phospholipids, which need to be refined and removed.

At present, in the crude oil refining production process, the crude oil is generally refined by filtering and impurity removal through filtering equipment, the filtered crude oil enters a degumming tank for degumming treatment, the degummed crude oil is transferred to a deacidification tank for deacidification treatment, a decolorant is added into the deacidified crude oil for decoloration treatment, and finally the decolored crude oil is transferred to a vacuum deodorization tank for deodorization treatment and is finally cooled to obtain the finished product oil.

General crude oil refining production line all involves degumming tank and deacidification jar equipment, and degumming tank and deacidification jar all need mix the stirring to crude oil, and degumming tank and deacidification jar all need use solitary motor drive to mix the stirring, and the power of motor is great, and the motor needs to consume more electric power resource under continuous operating condition.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a crude oil refining production line and a refining process flow thereof, which have the advantages of reducing the use of power equipment and reducing the cost.

The above object of the present invention is achieved by the following technical solutions:

a crude oil refining production line comprises a filtering device, a degumming tank and a deacidification tank, wherein the degumming tank and the deacidification tank respectively comprise a tank body and a top cover, a feed inlet is formed in the top cover, an oil outlet is formed in the lower end portion of the tank body, a transmission case is fixedly arranged between the degumming tank and the deacidification tank and comprises a top plate, a side plate I and a side plate II, a motor is fixedly connected to the top plate, a motor output shaft penetrates through the top plate and is fixedly connected with a bevel gear I, the side plate I and the side plate II are respectively and rotatably connected with a transmission assembly, the transmission assemblies are symmetrically arranged along the axial direction of the motor output shaft and comprise a transverse rod and a rotating shaft, the two ends of the transverse rod are respectively and fixedly provided with a bevel gear II and a bevel gear III, the bevel gear II is positioned in the transmission case and meshed with the bevel gear I, the transverse rod on the side plate I is arranged in a penetrating manner of the wall thickness of, tip fixedly connected with and bevel gear three-phase complex bevel gear four under the rotation axis, the rotation axis is along a plurality of stirring vane of equidistant fixedly connected with of axial, be equipped with on the top cap with the through-hole of rotation axle looks adaptation, rotation axis upper end fixedly connected with bearing, the bearing inner race is fixed with the rotation axis, bearing inner race fixedly connected with solid fixed ring, the tip is close to through-hole department and sets up the circular slot with solid fixed ring looks adaptation on the top cap.

By adopting the technical scheme, when materials in the degumming tank and the deacidification tank are stirred, the motor is started, the motor drives the bevel gear to rotate, the cross rod drives the bevel gear to rotate, the rotating shaft is further driven to rotate, the rotating shaft drives the stirring blades to stir and mix the materials, and the stirring and mixing effects are good; fixing fixed ring in the circular slot of top cap, and then making the rigidity of bearing, bearing inner race is fixed with the rotation axis, and the bearing carries out fixed stay to the rotation axis upper end, guarantees bevel gear three and bevel gear four's stable transmission, and the material in steerable degumming jar and the deacidification jar of motor simultaneously stirs the processing, has reduced power equipment's use, has reduced manufacturing cost.

The present invention in a preferred example may be further configured to: the fixing ring is provided with a square hole along the radial direction, the top cover is provided with a sliding groove close to the circular groove, the sliding groove is communicated with the circular groove, a T-shaped block is slidably connected in the sliding groove and comprises a transverse plate and a vertical plate which are fixedly connected, the transverse plate is slidably connected with the square hole, the top cover is provided with a sliding rail close to the circular groove, the sliding rail is perpendicular to the transverse plate, and a receiving plate is slidably connected in the sliding rail.

By adopting the technical scheme, when the degumming tank and the deacidification tank need to stir materials, the T-shaped block slides towards the rotating shaft in the sliding groove, and the transverse plate is inserted into the square hole, so that the relative positions of the fixing ring and the top cover are fixed, and the stable rotation and the stirring effect of the rotating shaft are facilitated; when the degumming tank or the deacidification tank is not needed to be stirred, the T-shaped block slides out of the square hole, the fixing ring is pulled out of the circular groove, the annular block is abutted to the upper end face of the bearing plate, the rotating shaft and the bevel gear III are separated, the degumming tank or the deacidification tank can be separately stirred, the operation is very convenient, the use of power equipment is reduced, and the production cost is reduced.

The present invention in a preferred example may be further configured to: the end fixedly connected with support one under jar body inner wall, support one middle part set firmly with the ring one of rotating shaft looks adaptation, the ring one is worn to establish by the rotating shaft, transmission case inner wall fixedly connected with support two, support two middle parts set firmly with the ring two of horizontal pole looks adaptation, the horizontal pole rotates with ring two to be connected.

By adopting the technical scheme, the first support and the first ring are arranged, the first ring is arranged on the rotating shaft in a penetrating mode and rotates, and the first ring has a limiting effect on the rotating shaft in the radial direction, so that the rotating shaft is prevented from shaking left and right in the rotating process, and the stability of the rotating shaft in the rotating process is improved; the second support and the second circular ring are arranged, so that the cross rod is stable when the second bevel gear and the third bevel gear are driven to rotate, and the mixing and stirring effect on materials is improved.

The present invention in a preferred example may be further configured to: an inclined oil guide pipe is fixedly arranged between the degumming tank and the deacidification tank, the height of one end, close to the degumming tank, of the oil guide pipe is larger than that of one end, close to the deacidification tank, of the oil guide pipe, a ball valve is fixedly arranged at one end, close to the degumming tank, of the oil guide pipe, and a transparent oil level observation window is fixedly arranged on the side wall of the tank body.

By adopting the technical scheme, the inclined oil guide pipe is arranged, so that the crude oil in the degumming tank can be conveniently transmitted to the deacidification tank, the time for taking the crude oil out of the degumming tank and pouring the crude oil into the deacidification tank is saved, and the refining effect is favorably improved; an oil level observation window is arranged, so that an operator can conveniently observe the positions of crude oil in the degumming tank and the deacidification tank; the crude oil in the ball valve can be controlled to be transmitted into the deacidification tank, so that the crude oil is conveyed conveniently.

The present invention in a preferred example may be further configured to: the lower end of the rotating shaft is fixedly connected with an anchor type slurry sheet matched with the bottom of the tank body, a stirring plate is fixedly arranged between the stirring blades and comprises a right-angle plate parallel to the height direction of the tank body, and the right-angle plate is positioned close to the inner wall of the tank body.

By adopting the technical scheme, the material stirring plate is arranged, so that the rotating shaft can stir and stir materials conveniently in the rotating process, the materials close to the inner wall of the tank body can be fully stirred, and the mixing and stirring effect of the materials can be improved; the anchor type paddles are arranged and matched with the bottom of the tank body, so that the materials at the bottom of the tank body can be stirred conveniently, and the materials can be discharged fully when the materials are discharged.

The present invention in a preferred example may be further configured to: filter equipment includes the box, the box upper end is equipped with the feeder hopper, fixedly connected with sieve in the box, the sieve is equipped with a plurality of sieve meshes, and the tip is equipped with the hopper that connects of terrace with edge form under the box, connects the hopper lower extreme to have set firmly the oil outlet, and oil outlet fixedly connected with ultraviolet sterilizer, ultraviolet sterilizer keep away from the one end fixedly connected with batch oil tank of oil outlet.

Through adopting above-mentioned technical scheme, in crude oil that does not refine adds the box from the feeder hopper, the sieve filters the great impurity of particle diameter, and crude oil after the filtration is discharged from the oil outlet, disinfects through ultraviolet sterilizer again, finally arranges the batch oil tank in, realizes the filtration edulcoration process to crude oil.

The present invention in a preferred example may be further configured to: the box lateral wall fixedly connected with cylinder, cylinder output shaft stretch into box fixedly connected with push pedal, and the both sides of sieve are equipped with the baffle, and the cross slot has been seted up to the baffle, and push pedal and cross slot sliding connection, the box one end of keeping away from the cylinder has been seted up thick sediment mouth, and thick sediment mouth articulates there is the apron.

Through adopting above-mentioned technical scheme, set up cylinder and push pedal, but the periodic start cylinder will spread the great impurity of particle diameter on the sieve and push away coarse slag notch department discharge, is convenient for to the lasting filtration edulcoration of crude oil, improves the result of use of sieve.

The present invention in a preferred example may be further configured to: and a filter cloth is arranged between the sieve plate and the material receiving hopper, a plurality of filter bags are arranged on the surface of the filter cloth, and strip-shaped activated carbon is arranged in each filter bag.

Through adopting above-mentioned technical scheme, the crude oil after the sieve filters probably still contains the less impurity of more particle size in the crude oil, and the crude oil carries out secondary filter and active carbon adsorption through the filter cloth again, is favorable to improving the filtration edulcoration effect to the crude oil, the refining of the sequency to the crude oil of being convenient for.

The technical purpose of the invention is realized by the following technical scheme: a refining process flow of a crude oil refining production line comprises the following steps:

s1; filtering to remove impurities, namely adding unrefined crude oil into the box body from a feed hopper of the box body, removing impurities with larger particle sizes, such as mud, sand, cake and the like in the crude oil through a sieve plate, performing secondary filtration through filter cloth and adsorption through activated carbon on the crude oil, discharging the crude oil from an oil outlet, performing ultraviolet sterilization treatment, and discharging the crude oil into an oil storage tank;

s2; degumming, namely adding the crude oil after impurity removal into a degumming tank, stirring and heating the crude oil, adding phosphoric acid into the tank body from a feed inlet, quickly stirring, uniformly mixing, carrying out degumming reaction, and precipitating when colloid is condensed and obviously separated until the colloid is completely removed;

s3; deacidifying, namely mixing the degummed crude oil with 85% of phosphoric acid according to 0.12-0.15% of the total weight of the crude oil, adding the mixture into a deacidification tank after mixing, dropwise adding alkali liquor into the degummed oil, stirring and filtering, adding hot water with the temperature of 80-100 ℃ into the filtered liquid, wherein the adding amount of the hot water is 5-10% of the filtered liquid, standing and filtering to obtain deacidified oil;

s4; decolorizing, namely adding a decolorizing agent into deacidified oil under the stirring condition, and pouring into a decolorizing distillation flask to obtain decolorized oil;

s5; deodorizing, namely filling the decolored oil into a vacuum deodorizing tank, placing the vacuum deodorizing tank into a heating magnetic stirrer, adding the immobilized phospholipase, stirring, centrifuging, deodorizing for 25-30min, and performing steam deodorization under a vacuum condition;

s6; cooling, and cooling the deodorized oil until the oil is qualified.

By adopting the technical scheme, the unrefined crude oil is subjected to filtration, impurity removal, degumming, deacidification, decoloration, deodorization and cooling treatment to complete the refining process flow of the crude oil.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when materials in the degumming tank and the deacidification tank are stirred, the motor is started, the motor drives the bevel gear to rotate, the cross rod drives the bevel gear to rotate, the rotating shaft rotates, the rotating shaft drives the stirring blades to stir and mix the materials, the stirring and mixing effects are good, the motor can control the materials in the degumming tank and the deacidification tank to be stirred, the use of power equipment is reduced, and the production cost is reduced;

2. and (3) filtering and impurity removing, degumming, deacidifying, decoloring, deodorizing and cooling the unrefined crude oil to finish the refining process flow of the crude oil.

Drawings

FIG. 1 is a schematic view showing the overall structure of a filter device according to an embodiment;

FIG. 2 is a schematic view of the connection of the air cylinders to the screen deck;

FIG. 3 is a schematic view of the connection of the degumming tank and the deacidification tank;

FIG. 4 is a schematic view for highlighting the structure of the stirring shaft and the stirring blade;

FIG. 5 is an enlarged schematic view of portion A of FIG. 3;

fig. 6 is a schematic cross-sectional view of the cap.

In the figure, 1, a filter device; 2. a degumming tank; 3. a deacidification tank; 4. a tank body; 5. a top cover; 6. a feed inlet; 7. an oil outlet; 8. a transmission case; 10. a first side plate; 11. a second side plate; 12. a motor; 13. a first bevel gear; 14. a transmission assembly; 15. a cross bar; 17. a second bevel gear; 18. a third bevel gear; 19. a rotating shaft; 20. a fourth bevel gear; 21. a stirring blade; 22. a through hole; 23. a bearing; 24. a fixing ring; 25. a circular groove; 26. a square hole; 27. a chute; 28. a T-shaped block; 29. a transverse plate; 30. a vertical plate; 32. a slide rail; 33. a bearing plate; 34. a first bracket; 35. a first circular ring; 36. a second bracket; 37. a second circular ring; 38. an oil guide pipe; 39. a ball valve; 40. an oil level observation window; 42. an anchor blade; 43. a kick-out plate; 44. a right-angle plate; 45. a box body; 46. a feed hopper; 47. a sieve plate; 48. screening holes; 49. a receiving hopper; 50. an oil outlet hole; 51. an ultraviolet sterilizer; 52. an oil storage tank; 53. a cylinder; 54. pushing the plate; 55. a baffle plate; 56. a transverse groove; 57. a coarse slag hole; 58. and (7) a cover plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 and 2, the crude oil refining production line disclosed by the invention comprises a filtering device 1, wherein the filtering device 1 comprises a box body 45, a feed hopper 46 is arranged at the upper end part of the box body 45, a sieve plate 47 is fixedly connected in the box body 45, the sieve plate 47 is provided with a plurality of sieve holes 48, unrefined crude oil is added into the box body 45 from the feed hopper 46 and is filtered by the sieve plate 47 of the box body 45, and the sieve holes 48 of the sieve plate 47 filter impurities with larger particle sizes.

Referring to fig. 1 and 2, the crude oil filtered by the sieve plate 47 may contain more impurities with smaller particle size, a filter cloth is arranged between the sieve plate 47 and the material receiving hopper 49, a plurality of filter bags are arranged on the surface of the filter cloth, and strip-shaped activated carbon is arranged in the filter bags. The crude oil is subjected to secondary filtration and activated carbon adsorption through the filter cloth, so that the filtration and impurity removal effects on the crude oil are improved, and the refining of the crude oil in the subsequent process is facilitated.

Referring to fig. 1 and 2, unrefined crude oil may contain impurities with large particle sizes, such as silt, cake and the like, a prismoid receiving hopper 49 is arranged at the lower end of the box body 45, an oil outlet 50 is fixedly arranged at the lower end of the receiving hopper 49, an ultraviolet sterilizer 51 is fixedly connected to the oil outlet 50, and an oil storage tank 52 is fixedly connected to one end, far away from the oil outlet 50, of the ultraviolet sterilizer 51. Connect hopper 49 to be the terrace with edge form, the crude oil after being convenient for filter flows to oil outlet 50 department, and the crude oil after the filtration flows through to connect hopper 49 to discharge from oil outlet 50, flows through ultraviolet sterilizer 51 again and disinfects, finally discharges in the oil storage tank 52, realizes the filtration edulcoration process to crude oil.

Referring to fig. 1 and 2, sieve 47 is when filtering crude oil for a long time, the surface can have the great impurity of more particle diameters, sieve mesh 48 may be blocked to these impurity, influence the filtration edulcoration effect box 45 lateral wall fixedly connected with cylinder 53 of sieve 47, cylinder 53 output shaft stretches into box 45 fixedly connected with push pedal 54, sieve 47's both sides are equipped with baffle 55, transverse groove 56 has been seted up to baffle 55, push pedal 54 and transverse groove 56 sliding connection, thick sediment mouth 57 has been seted up to the one end that cylinder 53 was kept away from to box 45, thick sediment mouth 57 articulates there is apron 58. Box 45 is when the normal edulcoration that filters, and the apron 58 seals the coarse slag mouth 57, can open the apron 58 of coarse slag mouth 57 regularly, starts cylinder 53, and the impurity that will spread on sieve 47 pushes away coarse slag mouth 57 department and discharges, is convenient for to the continuous filtration edulcoration of crude oil, is favorable to improving the result of use of sieve 47.

Referring to fig. 3 and 4, the crude oil refining production line comprises a degumming tank 2 and a deacidification tank 3, the degumming tank 2 and the deacidification tank 3 respectively comprise a tank body 4 and a top cover 5, a feed inlet 6 is arranged on the top cover 5, an oil outlet 7 is arranged at the lower end of the tank body 4, and materials are added from the feed inlet 6 and discharged from the oil outlet 7 at the lower end of the degumming tank 2 and the deacidification tank 3 in the using process.

Referring to fig. 3 and 4, a transmission case 8 is fixedly arranged between the degumming tank 2 and the deacidification tank 3, the transmission case 8 comprises a top plate, a first side plate 10 and a second side plate 11, a motor 12 is fixedly connected to the top plate, an output shaft of the motor 12 penetrates through the first top plate fixedly connected with bevel gear 13, the first side plate 10 and the second side plate 11 are both connected with a transmission assembly 14, the transmission assembly 14 is symmetrically arranged along the axial direction of the output shaft of the motor 12, the transmission assembly 14 comprises a cross rod 15 and a rotating shaft 19, two bevel gears 17 and three bevel gears 18 are fixedly arranged at two ends of the cross rod 15, the second bevel gears 17 are arranged inside the transmission case 8 and are meshed with the first bevel gears 13, the cross rod 15 on the first side plate 10 penetrates through the first side plate 10 and the wall thickness of the degumming tank 2, the second side plate 11 and the wall thickness of the deacidification tank 3 are arranged, and vertical rotating shafts.

Referring to fig. 3 and 4, a bevel gear four 20 matched with the bevel gear three 18 is fixedly connected to the lower end of the rotating shaft 19, and a plurality of stirring blades 21 are fixedly connected to the rotating shaft 19 at equal intervals in the axial direction. When materials in the degumming tank 2 and the deacidification tank 3 are stirred, the motor 12 is started, the output shaft of the motor 12 drives the bevel gear I13 to rotate, the bevel gear I13 is meshed with the two bevel gears II 17, the cross rod 15 drives the bevel gear III 18 to rotate, the bevel gear III 18 is meshed with the bevel gear IV 20, the rotating shaft 19 is made to rotate, the rotating shaft 19 drives the stirring blades 21 to stir and mix the materials, and the stirring and mixing effects are good. The motor 12 can control the materials in the degumming tank 2 and the deacidification tank 3 to be stirred, so that the use of power equipment is reduced, and the production cost is reduced.

Referring to fig. 3 and 4, a first support 34 is fixedly connected to the lower end portion of the inner wall of the tank body 4, a first ring 35 matched with the rotating shaft 19 is fixedly arranged in the middle of the first support 34, the rotating shaft 19 penetrates through the first ring 35, the first support 34 and the first ring 35 are arranged, the rotating shaft 19 penetrates through the first ring 35 to rotate, and the first ring 35 has a limiting effect on the rotating shaft 19 to prevent the rotating shaft 19 from shaking left and right in the rotating process, so that the bevel gear three 18 and the bevel gear four 20 are more stably driven, the stability of the rotating shaft 19 in the rotating process is improved, and the mixing and stirring effects on materials are further improved; the inner wall of the transmission case 8 is fixedly connected with a second support 36, a second ring 37 matched with the cross rod 15 is fixedly arranged in the middle of the second support 36, and the cross rod 15 is rotatably connected with the second ring 37. In the rotating process of the cross rod 15, the stress at the two ends can be unbalanced and is easy to slightly deflect, and the second support 36 and the second circular ring 37 are arranged, so that the cross rod 15 is stable when the second driving bevel gear 17 and the third driving bevel gear 18 rotate, and the material mixing and stirring effect is improved.

Referring to fig. 3 and 4, a material stirring plate 43 is fixedly arranged between the stirring blades 21, the material stirring plate 43 comprises a right-angle plate 44 parallel to the height direction of the tank 4, and the right-angle plate 44 is positioned close to the inner wall of the tank 4. Set up switch plate 43, the rotation axis 19 of being convenient for stirs the stirring to the material at the rotation in-process for the material that is close to jar body 4 inner wall also can obtain comparatively abundant stirring, is favorable to improving the mixed stirring effect to the material.

Referring to fig. 3 and 4, the lower end of the rotating shaft 19 is fixedly connected with an anchor blade adapted to the bottom of the tank 4, and the anchor blade 42 is arranged, so that when materials are stirred, the anchor blade 42 is matched with the bottom of the tank 4, the materials at the bottom of the tank 4 can be stirred conveniently, and when materials are discharged, the anchor blade 42 can scrape the bottom of the tank 4, and the materials can be discharged sufficiently conveniently.

Referring to fig. 5 and 6, the top cover 5 is provided with a through hole 22 adapted to the rotating shaft 19 (see fig. 4), the upper end of the rotating shaft 19 (see fig. 4) is fixedly connected with a bearing 23, the inner ring of the bearing 23 is fixed to the rotating shaft 19 (see fig. 4), the outer ring of the bearing 23 is fixedly connected with a fixing ring 24, and a circular groove 25 adapted to the fixing ring 24 is formed in the upper end surface of the top cover 5 near the through hole 22. The position of the bearing 23 is fixed by fixing the fixing ring 24 in the circular groove 25 of the top cover 5, the inner ring of the bearing 23 is fixed to the rotary shaft 19 (see fig. 4), and the bearing 23 supports the upper end of the rotary shaft 19 (see fig. 4) so that the rotary shaft 19 (see fig. 4) does not move up and down, thereby ensuring stable transmission of the bevel gear three 18 and the bevel gear four 20.

Referring to fig. 5 and 6, gu fixed ring 24 has radially seted up quad slit 26, spout 27 has been seted up near circular slot 25 department to top cap 5, spout 27 is linked together with circular slot 25, sliding connection has T-shaped piece 28 in spout 27, T-shaped piece 28 includes fixed connection's diaphragm 29 and riser 30, when degumming tank 2 and deacidification tank 3 need stir the processing to the material, slide T-shaped piece 28 in spout 27 to rotation axis 19 department, insert diaphragm 29 in quad slit 26, make fixed ring 24 fixed with top cap 5's relative position, be convenient for rotation 19's stability, be favorable to improving the stirring mixed effect to the material.

Referring to fig. 5 and 6, the top cover 5 is provided with a slide rail 32 near the circular groove 25, the slide rail 32 is perpendicular to the transverse plate 29, and a receiving plate 33 is slidably connected in the slide rail 32. When the degumming tank 2 (refer to fig. 3) or the deacidification tank 3 (refer to fig. 3) is not required to be stirred, the T-shaped block 28 slides out of the square hole 26, the upper end part of the rotating shaft 19 (refer to fig. 4) is lifted, the fixing ring 24 is pulled out of the circular groove 25, the bearing plate 33 slides out of the sliding rail 32, the annular block is abutted against the upper end surface of the bearing plate 33, the rotating shaft 19 (refer to fig. 4) and the bevel gear III 18 (refer to fig. 4) are separated, the degumming tank 2 (refer to fig. 3) or the deacidification tank 3 (refer to fig. 3) can be used for stirring and mixing materials independently, the operation is very convenient, the use of power equipment and the waste of resources are reduced, and the production cost is reduced.

Referring to fig. 3, a transparent oil level observation window 40 is fixedly arranged on the side wall of the tank body 4, so that an operator can conveniently observe the positions of crude oil in the degumming tank 2 and the deacidification tank 3, an inclined oil guide pipe 38 is fixedly arranged between the degumming tank 2 and the deacidification tank 3, the height of one end, close to the degumming tank 2, of the oil guide pipe 38 is larger than that of one end of the deacidification tank 3, a ball valve 39 is fixedly arranged at one end, close to the degumming tank 2, of the oil guide pipe 38, the inclined oil guide pipe 38 is arranged, so that the crude oil in the degumming tank 2 can be conveniently conveyed into the deacidification tank 3, the time for taking the crude oil out of the degumming tank 2 and pouring the crude oil into the deacidification tank 3 is saved; ball valve 39 operating personnel accessible is opened and is closed ball valve 39, and the crude oil of control in the degumming tank 2 is transmitted to in the deacidification jar 3 for the transport of crude oil is very convenient.

The implementation principle of the embodiment is as follows: unrefined crude oil is added into a box body 45 from a feed hopper 46, primary filtration is carried out through a sieve plate 47, secondary filtration and impurity removal are carried out through filter cloth and active carbon, the crude oil after filtration and impurity removal is disinfected and sterilized through an ultraviolet sterilizer 51 and is discharged into an oil storage tank 52, the crude oil after filtration and impurity removal is added from a feed inlet 6 in the use process of a degumming tank 2 and a deacidification tank 3, when materials in the degumming tank 2 and the deacidification tank 3 are stirred, a motor 12 is started, an output shaft of the motor 12 drives a bevel gear I13 to rotate, the bevel gear I13 is meshed with two bevel gear II 17, a cross rod 15 drives a bevel gear III 18 to rotate, the bevel gear III 18 is meshed with a bevel gear IV 20, a rotating shaft 19 is further meshed, and the rotating shaft 19 drives stirring blades 21 to stir and mix the materials; the motor 12 can control the materials in the degumming tank 2 and the deacidification tank 3 to be stirred, so that the use of power equipment is reduced, and the production cost is reduced. When the degumming tank 2 or the deacidification tank 3 is not required to be stirred, the fixing ring 24 is pulled out from the circular groove 25, the annular block is abutted to the upper end face of the bearing plate 33, the separation of the rotating shaft 19 and the bevel gear III 18 is realized, the degumming tank 2 or the deacidification tank 3 can be used for stirring and mixing materials independently, the operation is very convenient, the use of power equipment is reduced, and the production cost is reduced.

Example two:

referring to fig. 1 and 3, a refining process flow of a crude oil refining production line includes the following steps:

s1; filtering to remove impurities, adding unrefined crude oil into the box body 45 from a feed hopper 46 of the box body 45, removing impurities with larger particle size such as silt and cake meal in the crude oil through a sieve plate 47, performing secondary filtration through filter cloth and adsorption through activated carbon to discharge the crude oil from an oil outlet 50, performing ultraviolet sterilization treatment, and discharging the crude oil into an oil storage tank 52;

s2; degumming, namely adding the crude oil after impurity removal into a degumming tank 2, stirring and heating the crude oil, adding phosphoric acid into a tank body 4 from a feed inlet 6, quickly stirring, uniformly mixing, carrying out degumming reaction, and precipitating when colloid is condensed and obviously separated until the colloid is completely removed;

s3; deacidifying, namely mixing the degummed crude oil with 85% of phosphoric acid according to 0.12-0.15% of the total weight of the crude oil, adding the mixture into a deacidification tank 3 after mixing, dropwise adding alkali liquor into the degummed oil, stirring and filtering, adding hot water with the temperature of 80-100 ℃ into the filtered liquid, wherein the adding amount of the hot water is 5-10% of the filtered liquid, standing and filtering to obtain deacidified oil;

s4; decolorizing, namely adding a decolorizing agent into deacidified oil under the stirring condition, and pouring into a decolorizing distillation flask to obtain decolorized oil;

s5; deodorizing, namely filling the decolored oil into a vacuum deodorizing tank, placing the vacuum deodorizing tank into a heating magnetic stirrer, adding the immobilized phospholipase, stirring, centrifuging, deodorizing for 25-30min, and performing steam deodorization under a vacuum condition;

s6; cooling, and cooling the deodorized oil until the oil is qualified.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides a crude oil refining production line, includes filter equipment (1), degumming tank (2) and deacidification jar (3), its characterized in that: the degumming tank (2) and the deacidification tank (3) both comprise a tank body (4) and a top cover (5), a feed inlet (6) is formed in the top cover (5), an oil outlet (7) is formed in the lower end portion of the tank body (4), a transmission case (8) is fixedly arranged between the degumming tank (2) and the deacidification tank (3), the transmission case (8) comprises a top plate, a first side plate (10) and a second side plate (11), a motor (12) is fixedly connected to the top plate, an output shaft of the motor (12) penetrates through the top plate and is fixedly connected with a first bevel gear (13), the first side plate (10) and the second side plate (11) are both connected with transmission assemblies (14), the transmission assemblies (14) are axially and symmetrically arranged along the output shaft of the motor (12), each transmission assembly (14) comprises a transverse rod (15) and a rotating shaft (19), two bevel gears (17) and three bevel gears (18) are fixedly arranged at two ends of the transverse rod (15), horizontal pole (15) on curb plate one (10) wear to establish curb plate one (10) and degumming tank (2) wall thickness setting, horizontal pole (15) on curb plate two (11) wear to establish curb plate two (11) and deacidification tank (3) wall thickness setting, all be equipped with vertical rotation axis (19) in jar body (4) of degumming tank (2) and deacidification tank (3), tip fixedly connected with and bevel gear three (18) matched with bevel gear four (20) under rotation axis (19), a plurality of stirring vane (21) of equidistant fixedly connected with in the axial are followed in rotation axis (19), be equipped with through-hole (22) with rotation axis (19) looks adaptation on top cap (5), rotation axis (19) upper end fixedly connected with bearing (23), bearing (23) inner circle is fixed with rotation axis (19) in bearing (23) outer lane fixedly connected with solid fixed ring (24), circular slot (25) with solid fixed ring (24) looks adaptation are seted up near through-hole (22) department to top cap (5) upper end.

2. The crude oil refining production line according to claim 1, characterized in that: fixed ring (24) have radially seted up quad slit (26), top cap (5) are close to circular slot (25) department and have seted up spout (27), spout (27) are linked together with circular slot (25), sliding connection has T-shaped piece (28) in spout (27), T-shaped piece (28) are including fixed connection's diaphragm (29) and riser (30), diaphragm (29) and quad slit (26) sliding connection, top cap (5) are close to circular slot (25) department and have seted up slide rail (32), slide rail (32) set up with diaphragm (29) are perpendicular, sliding connection has bearing plate (33) in slide rail (32).

3. The crude oil refining production line according to claim 1, characterized in that: the utility model discloses a jar body (4) inner wall lower tip fixedly connected with support (34), support (34) middle part set firmly with ring one (35) of rotation axis (19) looks adaptation, and ring one (35) are worn to establish by rotation axis (19), transmission case (8) inner wall fixedly connected with support two (36), support two (36) middle part set firmly with ring two (37) of horizontal pole (15) looks adaptation, and horizontal pole (15) rotate with ring two (37) and are connected.

4. The crude oil refining production line according to claim 1, characterized in that: an inclined oil guide pipe (38) is fixedly arranged between the degumming tank (2) and the deacidification tank (3), one end, close to the degumming tank (2), of the oil guide pipe (38) is higher than one end, close to the deacidification tank (3), of the oil guide pipe (38), a ball valve (39) is fixedly arranged at one end, close to the degumming tank (2), of the oil guide pipe (38), and a transparent oil level observation window (40) is fixedly arranged on the side wall of the tank body (4).

5. The crude oil refining production line according to claim 1, characterized in that: the lower end part of the rotating shaft (19) is fixedly connected with an anchor type blade (42) matched with the bottom of the tank body (4), a material shifting plate (43) is fixedly arranged between the stirring blades (21), the material shifting plate (43) comprises a right-angle plate (44) parallel to the height direction of the tank body (4), and the right-angle plate (44) is positioned close to the inner wall of the tank body (4).

6. The crude oil refining production line according to claim 1, characterized in that: filter equipment (1) includes box (45), box (45) upper end is equipped with feeder hopper (46), fixedly connected with sieve (47) in box (45), sieve (47) are equipped with a plurality of sieve meshes (48), and the tip is equipped with the arris platform form under box (45) connects hopper (49), connects hopper (49) lower extreme to have set firmly oil outlet (50), and oil outlet (50) fixedly connected with ultraviolet sterilizer (51), the one end fixedly connected with batch oil tank (52) of oil outlet (50) are kept away from in ultraviolet sterilizer (51).

7. The crude oil refining production line according to claim 6, characterized in that: the box (45) lateral wall fixedly connected with cylinder (53), cylinder (53) output shaft stretch into box (45) fixedly connected with push pedal (54), and the both sides of sieve (47) are equipped with baffle (55), and cross slot (56) have been seted up in baffle (55), and push pedal (54) and cross slot (56) sliding connection, thick sediment mouth (57) have been seted up to the one end that cylinder (53) was kept away from in box (45), and thick sediment mouth (57) articulate has apron (58).

8. The crude oil refining production line according to claim 6, characterized in that: and a filter cloth is arranged between the sieve plate (47) and the material receiving hopper (49), a plurality of filter bags are arranged on the surface of the filter cloth, and strip-shaped activated carbon is arranged in each filter bag.

9. A refining process flow for the crude oil refining production line according to any one of claims 1 to 8, characterized in that:

s1; filtering to remove impurities, adding unrefined crude oil into the box body (45) from a feed hopper (46) of the box body (45), removing impurities with larger particle sizes such as silt and cake meal in the crude oil through a sieve plate (47), discharging the crude oil from an oil outlet through secondary filtration of filter cloth and adsorption of activated carbon, and discharging the crude oil into an oil storage tank (52) after ultraviolet sterilization treatment;

s2; degumming, namely adding the crude oil after impurity removal into a degumming tank (2), driving a rotating shaft (19) to stir and heat the crude oil by a motor (12), adding phosphoric acid into a tank body (4) from a feeding hole (6), quickly stirring, uniformly mixing, carrying out degumming reaction, and precipitating when colloid is condensed and obviously separated until the colloid is completely removed;

s3; deacidifying, namely mixing the degummed crude oil with 85% of phosphoric acid according to 0.12-0.15% of the total weight of the crude oil, adding the mixture into a deacidification tank (3), dropwise adding alkali liquor into the degummed oil, stirring by a rotating shaft (19) driven by a motor (12), filtering, adding hot water with the temperature of 80-100 ℃ into the filtered liquid, standing and filtering to prepare deacidified oil, wherein the adding amount of the hot water is 5-10% of the filtered liquid;

s4; decolorizing, namely adding a decolorizing agent into deacidified oil under the stirring condition, and pouring into a decolorizing distillation flask to obtain decolorized oil;

s5; deodorizing, namely filling the decolored oil into a vacuum deodorizing tank, placing the vacuum deodorizing tank into a heating magnetic stirrer, adding the immobilized phospholipase, stirring, centrifuging, deodorizing for 25-30min, and performing steam deodorization under a vacuum condition;

s6; cooling, and cooling the deodorized oil until the oil is qualified.

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