1. An extraction process of turpentine comprises the following raw materials in parts by weight: 10-20 parts of rosin, 5-7 parts of oxalic acid and 80-160 parts of water, and is characterized by comprising the following steps:

s1, adding the above parts by weight of rosin, oxalic acid and water into the extraction device, mixing and stirring the rosin, oxalic acid and water by a dissolving mechanism arranged in the extraction device for 20-35min at a temperature of 40-60 ℃ to obtain a mixed solution;

s2, filtering the mixed solution prepared in the step S1 through a filtering mechanism arranged in the extraction device, and obtaining a clear solution after filtering;

s3, the clear solution prepared in S2 is rectified under reduced pressure in the rectifier to a pressure of 0.5 kPa-1.5 kPa, and the turpentine is collected within a distillation temperature range of 70-80 ℃.

2. The extraction process of turpentine as claimed in claim 1, wherein the extraction device comprises a dissolving mechanism and a filtering mechanism, the dissolving mechanism is arranged below the filtering mechanism;

the filtering mechanism comprises a filtering box (2), supporting legs (3), a coarse filtering plate (20), a fine filtering plate (21), a discharging pipe (22) and a discharging valve (23), the number of the supporting legs (3) is four, the four supporting legs (3) are respectively positioned at the four corners of the bottom of the filter box (2), the coarse filter plate (20) and the fine filter plate (21) are both inserted in the filter box (2) in a sliding way, the coarse filter plate (20) is positioned above the fine filter plate (21), the aperture of the coarse filter plate (20) is larger than that of the fine filter plate (21), the inside of the filter box (2) is provided with a sliding chute for the sliding of the coarse filter plate (20) and the fine filter plate (21), a discharge hole is formed in the center of the bottom of the filter box (2), the discharge pipe (22) is fixedly installed inside the discharge hole, and the discharge valve (23) is fixedly installed on the discharge pipe (22);

the dissolving mechanism comprises a dissolving box (1), an inner container (4), an electric heating coil pipe (5), a stirring shaft (6), a first stirring blade (7), a stirring motor (9), a feeding hopper (10), a blanking port (16), an air cylinder (17) and a flashboard (18), wherein the dissolving box (1) is fixedly arranged above the filtering box (2) and is communicated with the inside of the filtering box (2), the inner container (4) is fixedly arranged in the dissolving box (1), the electric heating coil pipe (5) is spirally arranged at a gap between the dissolving box (1) and the inner container (4), the outer wall of the electric heating coil pipe (5) is attached to the outer wall of the inner container (4), a boss is arranged at the center of the bottom of the inner container (4), the stirring shaft (6) is rotatably connected to the boss, the first stirring blade (7) is fixedly arranged on the stirring shaft (6), and the stirring motor (9) is fixedly arranged at the top of the dissolving box (1), the drive end of agitator motor (9) extend to the inside of inner bag (4) and with the top fixed connection of (mixing) shaft (6), dissolve the top of case (1) and seted up the feed inlet, feeder hopper (10) fixed mounting is in the outside of feed inlet, the both sides in inner bag (4) bottom are seted up in blanking mouth (16), the quantity of cylinder (17) is two, two cylinder (17) fixed mounting is respectively on the outer wall of dissolving case (1) lower part left and right sides, the piston end of cylinder (17) passes the lateral wall that dissolves case (1) and extends to the inside and the fixedly connected with flashboard (18) that dissolve case (1), flashboard (18) press the bottom surface of inner bag (4) and cover corresponding blanking mouth (16).

3. The extraction process of turpentine oil according to claim 2, wherein the front ends of the coarse filter plate (20) and the fine filter plate (21) extend to the outside of the filter box (2) through the groove opening of the chute, and the front ends of the coarse filter plate (20) and the fine filter plate (21) are fixedly provided with handles (24).

4. The extraction process of turpentine as claimed in claim 2, wherein a thermometer (11) is fixedly mounted on the top of the dissolution tank (1), the thermometer (11) comprises a display end and a detection end, the detection end extends to the inner part of the inner container (4), and the display end is located outside the dissolution tank (1).

5. The extraction process of turpentine as claimed in claim 2, wherein a protective shell (8) is fixedly installed at the top of the dissolving tank (1), and the stirring motor (9) is located inside the protective shell (8).

6. The extraction process of turpentine according to claim 2, wherein rotating shafts (13) are rotatably connected to inner walls of two sides of the inner container (4), two second stirring blades (14) are fixedly mounted on the two rotating shafts (13), driven bevel gears (15) are fixedly mounted at opposite ends of the two rotating shafts (13), driving bevel gears (12) are fixedly mounted on the stirring shafts (6), and the two driven bevel gears (15) are meshed with the driving bevel gears (12).

7. The extraction process of turpentine as claimed in claim 2, wherein a guide groove is formed in the gate plate (18), a limiting plate (19) is connected to the guide groove in a sliding mode, and the limiting plate (19) is fixedly connected with the inner side wall of the dissolving tank (1).

Background

Turpentine is an oleoresin of pine needle family trees and is a colorless volatile liquid, turpentine is widely used as a chemical raw material, and has a chance to contact the turpentine in industries such as art glass, paint, camphor manufacturing, pharmacy, rosin manufacturing and the like.

At present, the extraction process of turpentine is more traditional, a plurality of procedures are needed, the labor cost is increased, the production efficiency of the turpentine is reduced, and the turpentine is not beneficial to production enterprises.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides the extraction process of the turpentine, which realizes the effects of integrating dissolution and filtration, reducing preparation procedures, labor cost and production efficiency of the turpentine and being beneficial to the use of production enterprises.

In order to achieve the purpose, the invention adopts the following technical scheme:

an extraction process of turpentine comprises the following raw materials in parts by weight: 10-20 parts of rosin, 5-7 parts of oxalic acid and 80-160 parts of water, and further comprises the following steps:

s1, adding the above parts by weight of rosin, oxalic acid and water into the extraction device, mixing and stirring the rosin, oxalic acid and water by a dissolving mechanism arranged in the extraction device for 20-35min at a temperature of 40-60 ℃, and stirring and mixing uniformly to obtain the mixed solution.

And S2, filtering the mixed solution prepared in the step S1 through a filtering mechanism arranged in the extraction device, and obtaining a clear solution after filtering.

S3, the clear solution prepared in S2 is rectified under reduced pressure in the rectifier to a pressure of 0.5 kPa-1.5 kPa, and the turpentine is collected within a distillation temperature range of 70-80 ℃.

Preferably, the extraction device comprises a dissolving mechanism and a filtering mechanism, and the dissolving mechanism is arranged below the filtering mechanism;

the filter mechanism comprises a filter box, four support legs, a coarse filter plate, a fine filter plate, a discharge pipe and a discharge valve, wherein the number of the support legs is four, the four support legs are respectively positioned at four corners of the bottom of the filter box, the coarse filter plate and the fine filter plate are both slidably inserted in the filter box, the coarse filter plate is positioned above the fine filter plate, the aperture of the coarse filter plate is larger than that of the fine filter plate, a chute for the coarse filter plate and the fine filter plate to slide is formed in the filter box, a discharge hole is formed in the center of the bottom of the filter box, the discharge pipe is fixedly arranged in the discharge hole, and the discharge valve is fixedly arranged on the discharge pipe;

the dissolving mechanism comprises a dissolving box, an inner container, an electric heating coil pipe, a stirring shaft, a first stirring blade, a stirring motor, a feeding hopper, a blanking port, an air cylinder and a flashboard, wherein the dissolving box is fixedly arranged above the filtering box and communicated with the inside of the filtering box, the inner container is fixedly arranged inside the dissolving box, the electric heating coil pipe is spirally arranged at a gap between the dissolving box and the inner container, the outer wall of the electric heating coil pipe is attached to the outer wall of the inner container, a boss is arranged at the center of the bottom of the inner container, the stirring shaft is rotatably connected to the boss, the first stirring blade is fixedly arranged on the stirring shaft, the stirring motor is fixedly arranged at the top of the dissolving box, the driving end of the stirring motor extends to the inside of the inner container and is fixedly connected with the top end of the stirring shaft, the feeding port is arranged at the top of the dissolving box, and the feeding hopper is fixedly arranged outside the feeding port, the both sides in the inner bag bottom are seted up to the blanking mouth, the quantity of cylinder is two, two the cylinder is fixed mounting respectively on the outer wall of dissolving the case lower part left and right sides, the piston end of cylinder passes the lateral wall that dissolves the case and extends to the inside and the fixedly connected with flashboard that dissolves the case, the flashboard presses the bottom surface of inner bag and covers the corresponding blanking mouth.

Preferably, the front ends of the coarse filter plate and the fine filter plate both penetrate through the notches of the sliding grooves and extend to the outside of the filter box, and handles are fixedly mounted at the front ends of the coarse filter plate and the fine filter plate.

Preferably, a thermometer is fixedly mounted at the top of the dissolving tank, the thermometer comprises a display end and a detection end, the detection end extends into the inner container, and the display end is located outside the dissolving tank.

Preferably, a protective shell is fixedly mounted at the top of the dissolving tank, and the stirring motor is located inside the protective shell.

Preferably, the inner walls of the two sides of the inner container are rotatably connected with rotating shafts, the two rotating shafts are fixedly provided with two second stirring blades, the two ends, opposite to the rotating shafts, of the two rotating shafts are fixedly provided with driven bevel gears, the stirring shaft is fixedly provided with a driving bevel gear, and the two driven bevel gears are in meshing connection with the driving bevel gear.

Preferably, the inside of flashboard has seted up the guide way, the inside sliding connection of guide way has the limiting plate, limiting plate and the inside wall fixed connection of dissolving the case.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the stirring device, the stirring shaft is driven to rotate by starting the stirring motor, the first stirring blade rotates along with the stirring shaft when the stirring shaft rotates, materials added inside the inner container are primarily stirred, the driving bevel gear rotates along with the stirring shaft synchronously when the stirring shaft rotates, the two rotating shafts rotate synchronously through the meshing transmission of the driving bevel gear and the driven bevel gear, the second stirring blade is driven to rotate through the rotation of the rotating shafts, the materials inside the inner container are stirred through the rotation of the second stirring blade, the stirring effect of the materials is improved, the materials are favorably guaranteed to be uniformly heated, and the materials inside the inner container are fully stirred.

2. According to the invention, after the mixed solution passes through the coarse filter plate arranged at the upper part of the filter box, the mixed solution is preliminarily filtered through the coarse filter plate, after passing through the coarse filter plate, the mixed solution falls on the fine filter plate, the mixed solution is filtered again through the fine filter plate for the same industry, and after being fully filtered, the mixed solution is prepared into the clear solution, so that the structure is simple, and the extraction efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an extraction device in the extraction process of turpentine oil provided by the invention;

FIG. 2 is a schematic view of a cross-sectional structure of an extraction device in the extraction process of turpentine oil provided by the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

In the figure: 1. a dissolving tank; 2. a filter box; 3. supporting legs; 4. an inner container; 5. an electric heating coil pipe; 6. a stirring shaft; 7. a first stirring blade; 8. a protective shell; 9. a stirring motor; 10. a feed hopper; 11. a thermometer; 12. a drive bevel gear; 13. a rotating shaft; 14. a second stirring blade; 15. a driven bevel gear; 16. a blanking port; 17. a cylinder; 18. a shutter plate; 19. a limiting plate; 20. a coarse filter plate; 21. a fine filter plate; 22. a discharge pipe; 23. a discharge valve; 24. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the extraction process of turpentine comprises the following raw materials in parts by weight: 10-20 parts of rosin, 5-7 parts of oxalic acid and 80-160 parts of water, and further comprises the following steps:

s1, adding the above parts by weight of rosin, oxalic acid and water into the extraction device, mixing and stirring the rosin, oxalic acid and water by a dissolving mechanism arranged in the extraction device for 20-35min at a temperature of 40-60 ℃, and stirring and mixing uniformly to obtain the mixed solution.

And S2, filtering the mixed solution prepared in the step S1 through a filtering mechanism arranged in the extraction device, and obtaining a clear solution after filtering.

S3, the clear solution prepared in S2 is rectified under reduced pressure in the rectifier to a pressure of 0.5 kPa-1.5 kPa, and the turpentine is collected within a distillation temperature range of 70-80 ℃.

The extraction device comprises a dissolving mechanism and a filtering mechanism, wherein the dissolving mechanism is arranged below the filtering mechanism;

the filtering mechanism comprises a filtering box 2, four supporting legs 3, a coarse filtering plate 20, a fine filtering plate 21, a discharging pipe 22 and a discharging valve 23, the number of the supporting legs 3 is four, the four supporting legs 3 are respectively positioned at four corners of the bottom of the filtering box 2, the coarse filtering plate 20 and the fine filtering plate 21 are both inserted in the filtering box 2 in a sliding manner, the coarse filtering plate 20 is positioned above the fine filtering plate 21, the aperture of the coarse filtering plate 20 is larger than that of the fine filtering plate 21, a sliding groove for the sliding of the coarse filtering plate 20 and the fine filtering plate 21 is formed in the filtering box 2, a discharging port is formed in the center of the bottom of the filtering box 2, the discharging pipe 22 is fixedly arranged in the discharging port, the discharging valve 23 is fixedly arranged on the discharging pipe 22, when the mixed solution falls on the coarse filtering plate 20, the mixed solution is preliminarily filtered by the coarse filtering plate 20, the mixed solution filtered by the coarse filtering plate 20 falls on the fine filtering plate 21, the mixed solution is further filtered through the fine filter plate 21, so that the filtering process is completed, and the filter is simple in structure and convenient to use;

the dissolving mechanism comprises a dissolving box 1, an inner container 4, an electric heating coil pipe 5, a stirring shaft 6, a first stirring blade 7, a stirring motor 9, a feeding hopper 10, a blanking port 16, an air cylinder 17 and a flashboard 18, wherein the dissolving box 1 is fixedly arranged above the filter box 2 and is communicated with the inside of the filter box 2, the inner container 4 is fixedly arranged inside the dissolving box 1, the electric heating coil pipe 5 is spirally arranged at a gap between the dissolving box 1 and the inner container 4, the outer wall of the electric heating coil pipe 5 is attached to the outer wall of the inner container 4, a boss is arranged at the center of the bottom of the inner container 4, the stirring shaft 6 is rotatably connected to the boss, the first stirring blade 7 is fixedly arranged on the stirring shaft 6, the stirring motor 9 is fixedly arranged at the top of the dissolving box 1, the driving end of the stirring motor 9 extends to the inside of the inner container 4 and is fixedly connected with the top end of the stirring shaft 6, the top of the dissolving box 1 is provided with a feeding port, the feeding hopper 10 is fixedly arranged outside the feeding port, the both sides in inner bag 4 bottom are seted up to blanking mouth 16, the quantity of cylinder 17 is two, two cylinders 17 respectively fixed mounting on the outer wall of dissolving case 1 lower part left and right sides, the piston end of cylinder 17 passes the lateral wall that dissolves case 1 and extends to the inside and the fixedly connected with flashboard 18 that dissolve case 1, flashboard 18 presses the bottom surface of inner bag 4 and covers corresponding blanking mouth 16, add the raw materials to the inside of inner bag 4 by feeder hopper 10, heat the inside raw materials of inner bag 4 through electric heating coil 5, rotate through starting agitator motor 9 drive (mixing) shaft 6, first stirring vane 7 follows the rotation when (mixing) shaft 6 rotates, realize the intensive mixing to the inside raw materials of inner bag 4, and then realize dissolving the raw materials, accomplish and dissolve the process, the dissolution efficiency of raw materials is improved.

Wherein, the notch that coarse filtration board 20 and fine filtration board 21's front end all passed the spout extends to the outside of rose box 2, and the equal fixed mounting of the front end of coarse filtration board 20 and fine filtration board 21 has handle 24, slide the dismantlement of pegging graft convenient coarse filtration board 20 and fine filtration board 21 in the inside of rose box 2 with coarse filtration board 20 and fine filtration board 21, can take out coarse filtration board 20 and fine filtration board 21 from the inside of rose box 2 through pulling handle 24, be convenient for clear up coarse filtration board 20 and the 21 surface filtration's of fine filtration board impurity, avoid coarse filtration board 20 and fine filtration board 21 the condition that the jam appears.

Wherein, dissolve the top fixed mounting of case 1 and have thermometer 11, thermometer 11 is including showing end and sense terminal, and the sense terminal extends to the inside of inner bag 4, shows the end and is located the outside of dissolving case 1, can monitor the temperature of the inside material of inner bag 4 through thermometer 11, can prevent that material heating temperature is too high, avoids the high temperature to make the material scorched flavor appear, and is favorable to the energy saving.

Wherein, dissolve the top fixed mounting of case 1 and have protecting crust 8, agitator motor 9 is located the inside of protecting crust 8, carries out fine protection to agitator motor 9 through protecting crust 8, avoids agitator motor 9 to expose and does not have any safety guarantee in the extraction element outside, is invaded the problem that leads to the electrical apparatus short circuit by dust, sewage or splash easily, has prolonged agitator motor 9's life.

Wherein, it is connected with pivot 13 all to rotate on the inner wall of inner bag 4 both sides, equal fixed mounting has two second stirring vane 14 on two pivots 13, the equal fixed mounting of one end that two pivots 13 are relative has driven bevel gear 15, (mixing) shaft 6 is last fixed mounting has drive bevel gear 12, two driven bevel gear 15 all are connected with drive bevel gear 12 meshing, drive bevel gear 12 follows (mixing) shaft 6 synchronous rotation when (mixing) shaft 6 is rotating, meshing transmission through drive bevel gear 12 and driven bevel gear 15 makes two pivots 13 synchronous rotations, rotation through pivot 13 drives second stirring vane 14 and rotates, the rotation through second stirring vane 14 stirs the inside material of inner bag 4, the stirring effect of material has been improved, be favorable to ensureing the material thermally equivalent.

Wherein, the guide way has been seted up to the inside of flashboard 18, and the inside sliding connection of guide way has limiting plate 19, limiting plate 19 and the inside wall fixed connection who dissolves case 1 use through the cooperation at guide way and limiting plate 19 to carry out spacingly and direction to the removal of flashboard 18, avoid flashboard 18 to take place the skew at the in-process position of removal, improved the stability that flashboard 18 removed.

The working principle is as follows: in the invention, when in use, 10-20 parts of rosin, 5-7 parts of oxalic acid and 80-160 parts of water are added into the inner container 4 from the feed hopper 10, the stirring shaft 6 is driven to rotate by starting the stirring motor 9, the first stirring blade 7 rotates along with the rotation of the stirring shaft 6 to preliminarily stir materials added into the inner container 4, the driving bevel gear 12 rotates along with the stirring shaft 6 when the stirring shaft 6 rotates, the two rotating shafts 13 rotate synchronously through the meshing transmission of the driving bevel gear 12 and the driven bevel gear 15, the second stirring blade 14 is driven to rotate through the rotation of the rotating shaft 13, the materials in the inner container 4 are stirred through the rotation of the second stirring blade 14, the stirring effect of the materials is improved, the materials are uniformly heated, the materials in the inner container 4 are fully stirred, and the electric power is supplied to the electric heating coil 5 through the external power supply during the stirring process, when the electric heating coil 5 is powered on, heat is generated, the material inside the inner container 4 is heated through the electric heating coil 5, the temperature inside the inner container 4 is controlled within the range of 40-60 ℃, after stirring for 20-35min, the dissolution of the raw material is realized, the mixed solution is prepared after the raw material is fully dissolved, the dissolution process is completed, when the dissolution process is completed, the electric heating coil 5 is powered off, the stirring motor 9 is turned off, the air cylinder 17 is started again, the operation of the air cylinder 17 is realized, the flashboard 18 can be moved to cover the area of the blanking port 16, so that the mixed solution can flow out from the blanking port 16 and enter the filter box 2, when the mixed solution passes through the coarse filter plate 20 arranged at the upper part of the filter box 2, the mixed solution is primarily filtered through the coarse filter plate 20, when the mixed solution passes through the coarse filter plate 20 and falls on the fine filter plate 21, the mixed industry is filtered again through the fine filter plate 21, the mixed solution is fully filtered to obtain a clear solution, the clear solution is discharged and collected by a discharge pipe 22 through opening a discharge valve 23, and the clear solution is discharged and collected, and the collected clear solution is placed into a rectifier for reduced pressure rectification with a pressure of 0.5 kPa-1.5 kPa, and turpentine is collected within a distillation temperature range of 70 ℃ to 80 ℃, so that the extraction process is simple and the extraction efficiency is high.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.