CN214974340U - Complete equipment for processing natural asphalt - Google Patents

Complete equipment for processing natural asphalt Download PDF

Info

Publication number
CN214974340U
CN214974340U CN202120895664.4U CN202120895664U CN214974340U CN 214974340 U CN214974340 U CN 214974340U CN 202120895664 U CN202120895664 U CN 202120895664U CN 214974340 U CN214974340 U CN 214974340U
Authority
CN
China
Prior art keywords
wall
box
processing
stirring
drying cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120895664.4U
Other languages
Chinese (zh)
Inventor
王鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao National Innovative Materials Technology Co ltd
Original Assignee
Qingdao National Innovative Materials Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao National Innovative Materials Technology Co ltd filed Critical Qingdao National Innovative Materials Technology Co ltd
Priority to CN202120895664.4U priority Critical patent/CN214974340U/en
Application granted granted Critical
Publication of CN214974340U publication Critical patent/CN214974340U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Crushing And Grinding (AREA)

Abstract

The utility model relates to a pitch processing technology field specifically is a natural asphalt processing complete sets, including the processing case, four turning positions of processing case downside are provided with the gyro wheel, are provided with broken case on the outer wall of processing roof end, are provided with the feed inlet on the outer wall of broken roof end. The utility model has simple structure, and can evenly stir hot materials, mineral powder, asphalt and the like by arranging the stirring box, the discharging pipe, the material guide pipe, the actuating motor, the transmission shaft, the stirring blade, the stirring box, the worm, the turbine, the rotating rod and the stirring rod, so that the hot materials, the mineral powder, the asphalt and the like are evenly mixed, thereby obtaining the required asphalt product which meets the requirements, and improving the processing quality and the working efficiency; through setting up broken case, rotation axis, drive gear, driving motor and crushing roller, be convenient for carry out preliminary broken handle to the raw materials, the preparation of the follow-up pitch product of being convenient for has improved work efficiency.

Description

Complete equipment for processing natural asphalt
Technical Field
The utility model relates to a pitch processing technology field specifically is a natural asphalt processing complete sets.
Background
Natural asphalt is petroleum asphalt formed by extruding petroleum in the earth's crust in the nature for a long time and gradually changing in contact with air and water, and exists in a natural form, wherein minerals are often mixed in a certain proportion. It can be classified into rock asphalt, lake asphalt, submarine asphalt, etc. according to the formed environment.
The existing natural asphalt processing complete equipment has the following problems: a, the existing complete equipment for processing the natural asphalt can not uniformly stir hot materials, mineral powder, asphalt and the like, can not uniformly mix the hot materials, the mineral powder, the asphalt and the like, can not obtain required asphalt products meeting the requirements, and reduces the processing quality and the working efficiency; the prior complete equipment for processing the natural asphalt is inconvenient for carrying out primary crushing treatment on the raw materials and subsequent preparation of asphalt products, thereby reducing the working efficiency; c: the existing complete equipment for processing the natural asphalt can not well heat, dry and remove dust to the raw materials, so that the cleanliness of the raw materials is reduced, the asphalt product meeting the requirements is not convenient to prepare after being mixed with mineral powder, asphalt and the like, the product quality can not be ensured, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural asphalt processing complete sets to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a natural asphalt processing complete equipment comprises a processing box, wherein four corner positions at the lower side of the processing box are provided with rolling wheels, the outer wall at the top end of the processing box is provided with a crushing box, the outer wall at the top end of the crushing box is provided with a feed inlet, the outer wall at the middle part at the right side of the crushing box is provided with a driving motor, the output end of the driving motor is provided with a driving gear, the inner wall at the left side of the crushing box is provided with a rotating shaft which penetrates through the inner wall at the right end of the crushing box and extends to the outside through bearings in an up-and-down symmetrical manner, the outer wall at the right end of the rotating shaft is provided with a transmission gear which is meshed with the driving gear, the rotating shaft is rotatably connected with crushing rollers, teeth on the two crushing rollers are meshed with each other, the inner wall at the middle part at the top end of the processing box is provided with a drying cylinder, the outer wall at the bottom end of the crushing box is provided with a discharge opening communicated with the drying cylinder, and the inner wall of the drying cylinder is provided with a vibration baffle plate in an oblique line type through a mounting seat, a discharge port is arranged on the vibration partition plate, a control valve is arranged on the discharge port, a discharge port is arranged on the outer wall of the bottom end of the drying cylinder, a dust suction pipe is arranged on the outer wall of the top end of the right side of the drying cylinder, a dust suction machine arranged on the inner wall of the top end of the right side of the processing box is arranged on the dust suction pipe, the other end of the dust suction pipe is connected with a dust collection box arranged on the inner wall of the top end of the right side of the processing box, an electric heating box is arranged on the inner wall of the top end of the left side of the processing box, a heating rod is arranged on the inner wall of the electric heating box, a heating wire is wound on the heating rod, an air suction pipe is arranged on the outer wall of the bottom end of the right side of the electric heating box, the other end of the air suction pipe is connected with an air suction fan arranged on the outer wall of the top end of the left side of the drying cylinder, a hot air head penetrating through the outer wall of the drying cylinder and extending to the inside of the drying cylinder is arranged on the outer wall of the right end of the air suction fan, a graphite hot melt plate, a discharge pipe is arranged on the inner wall of the middle position of the processing box, a material control valve is arranged on the discharge pipe, and the other end of the discharge pipe is connected with a stirring box arranged on the inner wall of the bottom end of the processing box.
As a further improvement of the utility model: graphite heaters are symmetrically arranged on the outer walls of the two ends of the bottom of the graphite hot melting plate.
As a further improvement of the utility model: the bottom end of the vibration partition plate is provided with a vibration machine arranged on the inner wall of the drying cylinder.
As a further improvement of the utility model: be provided with on the agitator tank bottom outer wall and run through processing incasement wall and extend to outside row's material pipe, and arrange the intraduct solenoid valve that is provided with of material, be provided with on the agitator tank right side top outer wall and run through processing incasement wall and extend to outside passage, the symmetry is provided with the actuating motor on the outer wall of agitator tank top both ends, be provided with the transmission shaft on the actuating motor output, the symmetry is provided with a plurality of stirring leaf on the transmission shaft, be provided with the rotating electrical machines on the outer wall of agitator tank left side middle part, be provided with the worm that is located agitator tank inside on the rotating electrical machines output, the worm other end links to each other with the bearing of installing on agitator tank right side middle part inner wall, both ends symmetric rotation is connected with the turbine about the worm, the middle part is rotated on the turbine and is connected with the bull stick, be provided with the inner bearing on the bull stick outer wall, the first-class angle of inner bearing is provided with a plurality of puddler.
As a further improvement of the utility model: the processing box is characterized in that a cover plate is arranged on the outer wall of the front side of the processing box, a control panel is arranged on the outer wall of the top end of the front side of the cover plate, and a transparent glass window is arranged on the outer wall of the bottom end of the front side of the cover plate.
Compared with the prior art, the beneficial effects of the utility model are that:
by adopting the complete equipment for processing the natural asphalt, the stirring box, the discharging pipe, the material guide pipe, the actuating motor, the transmission shaft, the stirring blades, the stirring box, the worm, the turbine, the rotating rod and the stirring rod are arranged, so that hot materials, mineral powder, asphalt and the like can be uniformly stirred and mixed, a required asphalt product meeting the requirements is obtained, and the processing quality and the working efficiency are improved; the crushing box, the rotating shaft, the transmission gear, the driving motor and the crushing roller are arranged, so that the raw materials are subjected to primary crushing treatment conveniently, the subsequent preparation of asphalt products is facilitated, and the working efficiency is improved; through setting up dust catcher, dust absorption pipe, dust collection box, hot-blast head, suction fan, electric heat box, heating rod, heating wire, suction pipe, vibrations baffle and vibrations machine, can be better heat the stoving and remove dust to the raw materials, improve the cleanliness factor of raw materials, can make the pitch product that accords with the requirement after being convenient for follow-up and mixing such as powdered ore, pitch, guaranteed product quality, improved work efficiency.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
fig. 3 is a front view of the present invention;
in the figure: 1. a crushing box; 2. a rotating shaft; 3. a transmission gear; 4. a driving gear; 5. a drive motor; 6. a crushing roller; 7. a processing box; 8. a dust collector; 9. a dust collection pipe; 10. a dust collection box; 11. a graphite hot melt plate; 12. a material guide pipe; 13. a control panel; 14. a roller; 15. a hot air head; 16. a suction fan; 17. an electric heating box; 18. a heating rod; 19. an electric heating wire; 20. an air suction pipe; 21. vibrating the partition plate; 22. a vibrating machine; 23. a discharge port; 24. a graphite heater; 25. a discharge pipe; 26. a discharge pipe; 27. a cover plate; 28. an actuator motor; 29. a drive shaft; 30. stirring blades; 31. a stirring box; 32. a worm; 33. a rotating electric machine; 34. a turbine; 35. a rotating rod; 36. a stirring rod; 37. a transparent glazing.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example one
Referring to fig. 1-3, a natural asphalt processing complete equipment, comprising a processing box 7, rollers 14 are arranged at four corners of the lower side of the processing box 7, a crushing box 1 is arranged on the outer wall of the top end of the processing box 7, a feed inlet is arranged on the outer wall of the top end of the crushing box 1, a driving motor 5 is arranged on the outer wall of the middle part of the right side of the crushing box 1, a driving gear 4 is arranged on the output end of the driving motor 5, a rotating shaft 2 which penetrates through the inner wall of the right end of the crushing box 1 and extends outside is arranged on the inner wall of the left side of the crushing box 1 in an up-and-down symmetrical manner through a bearing, a transmission gear 3 is arranged on the outer wall of the right end of the rotating shaft 2, the transmission gear 3 is meshed with the driving gear 4, crushing rollers 6 are rotatably connected on the rotating shaft 2, teeth on the two crushing rollers 6 are meshed with each other, a drying cylinder is arranged on the inner wall of the middle part of the top end of the processing box 7, a discharge outlet communicated with the drying cylinder is arranged on the outer wall of the bottom end of the crushing box 1, an oblique line type vibration partition plate 21 is installed on the inner wall of a drying cylinder through an installation seat, a discharge hole 23 is arranged on the vibration partition plate 21, a control valve is arranged on the discharge hole 23, a discharge hole is arranged on the outer wall of the bottom end of the drying cylinder, a dust suction pipe 9 is arranged on the outer wall of the top end of the right side of the drying cylinder, a dust suction machine 8 arranged on the inner wall of the top end of the right side of a processing box 7 is installed on the dust suction pipe 9, the other end of the dust suction pipe 9 is connected with a dust collection box 10 installed on the inner wall of the top end of the right side of the processing box 7, an electric heating box 17 is arranged on the inner wall of the top end of the left side of the processing box 7, a heating rod 18 is arranged on the inner wall of the electric heating box 17, a heating wire 19 is wound on the heating rod 18, an air suction pipe 20 is arranged on the outer wall of the bottom end of the right side of the electric heating box 17, the other end of the air suction pipe 20 is connected with an air suction machine 16 installed on the outer wall of the top end of the left side of the drying cylinder, a hot air head 15 which penetrates through the outer wall of the drying cylinder and extends to the inside of the drying cylinder is arranged on the outer wall of the right end of the air suction machine 16, a graphite hot melting plate 11 is arranged on the inner wall of the middle part of the processing box 7, a discharge pipe 25 is arranged on the middle part of the graphite hot melting plate 11, a material control valve is arranged on the discharge pipe 25, and the other end of the discharge pipe 25 is connected with a stirring box 31 arranged on the inner wall of the bottom end of the processing box 7; the crushing box 1, the rotating shaft 2, the transmission gear 3, the driving gear 4, the driving motor 5 and the crushing roller 6 are arranged, so that the raw materials can be crushed preliminarily, the subsequent preparation of asphalt products is facilitated, and the working efficiency is improved; through setting up dust catcher 8, dust absorption pipe 9, dust collection box 10, hot-blast head 15, suction fan 16, electric heat box 17, heating rod 18, heating wire 19, aspiration channel 20, vibrations baffle 21 and vibrations machine 22, can be better heat the stoving and remove dust to the raw materials, improve the cleanliness factor of raw materials, can make the pitch product that meets the requirements after being convenient for follow-up and mixing such as powdered ore, pitch, guarantee product quality, improve work efficiency.
Graphite heaters 24 are symmetrically arranged on the outer walls of the two ends of the bottom of the graphite hot melt plate 11; the graphite heater 24 can heat the raw materials to enable the raw materials to become hot materials, so that subsequent processing is facilitated, and the working efficiency is improved.
The bottom end of the vibration clapboard 21 is provided with a vibration machine 22 arranged on the inner wall of the drying cylinder; the vibration machine 22 can vibrate the vibration partition 21, so that the raw materials can be better heated, dried and dedusted, and the working efficiency is improved.
A material discharging pipe 26 which penetrates through the inner wall of the processing box 7 and extends to the outside is arranged on the outer wall of the bottom end of the stirring box 31, an electromagnetic valve is arranged inside the material discharging pipe 26, a material guide pipe 12 which penetrates through the inner wall of the processing box 7 and extends to the outside is arranged on the outer wall of the top end of the right side of the stirring box 31, executing motors 28 are symmetrically arranged on the outer walls of the two ends of the top of the stirring box 31, a transmission shaft 29 is arranged on the output end of each executing motor 28, a plurality of stirring blades 30 are symmetrically arranged on each transmission shaft 29, a rotating motor 33 is arranged on the outer wall of the middle part of the left side of the stirring box 31, a worm 32 positioned inside the stirring box 31 is arranged on the output end of each rotating motor 33, the other end of each worm 32 is connected with a bearing arranged on the inner wall of the middle part of the right side of the stirring box 31, turbines 34 are symmetrically and rotatably connected with the upper and lower ends of the turbines 34, a rotating rod 35 is rotatably connected with the middle part of each turbine 34, and an inner bearing is arranged on the outer wall of each rotating rod 35, a plurality of stirring rods 36 are arranged on the inner bearing at equal angles; through setting up agitator tank 31, row material pipe 26, passage 12, actuating motor 28, transmission shaft 29, stirring leaf 30, agitator tank 31, worm 32, turbine 34, bull stick 35 and puddler 36, can evenly stir hot material, powdered ore and pitch etc. for the misce bene, thereby obtain required pitch product that meets the requirements, improved processingquality and work efficiency.
Example two
On the basis of the first embodiment, referring to fig. 3, a cover plate 27 is arranged on the outer wall of the front side of the processing box 7, a control panel 13 is arranged on the outer wall of the top end of the front side of the cover plate 27, and a transparent glass window 37 is arranged on the outer wall of the bottom end of the front side of the cover plate 27; be convenient for inspect and maintain the processing case 7 inside through setting up apron 27, can realize intelligent control through setting up control panel 13, reduce the human operation, improve work efficiency, be convenient for observe the operating condition of processing case 7 inside through setting up transparent glass window 37.
The working principle is as follows: in the using process, the stirring box 31, the discharging pipe 26, the material guide pipe 12, the actuating motor 28, the transmission shaft 29, the stirring blades 30, the stirring box 31, the worm 32, the turbine 34, the rotating rod 35 and the stirring rod 36 are arranged, so that hot materials, mineral powder, asphalt and the like can be uniformly stirred and uniformly mixed, a required asphalt product meeting the requirements is obtained, and the processing quality and the working efficiency are improved; the crushing box 1, the rotating shaft 2, the transmission gear 3, the driving gear 4, the driving motor 5 and the crushing roller 6 are arranged, so that the raw materials can be crushed preliminarily, the subsequent preparation of asphalt products is facilitated, and the working efficiency is improved; through setting up dust catcher 8, dust absorption pipe 9, dust collection box 10, hot-blast head 15, suction fan 16, electric heat box 17, heating rod 18, heating wire 19, aspiration channel 20, vibrations baffle 21 and vibrations machine 22, can be better heat the stoving and remove dust to the raw materials, improve the cleanliness factor of raw materials, can make the pitch product that meets the requirements after being convenient for follow-up and mixing such as powdered ore, pitch, guarantee product quality, improve work efficiency.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (5)

1. A natural asphalt processing complete equipment comprises a processing box (7), wherein four corner positions at the lower side of the processing box (7) are provided with idler wheels (14), the outer wall at the top end of the processing box (7) is provided with a crushing box (1), and the natural asphalt processing complete equipment is characterized in that a feed inlet is arranged on the outer wall at the top end of the crushing box (1), a driving motor (5) is arranged on the outer wall at the middle part of the right side of the crushing box (1), a driving gear (4) is arranged at the output end of the driving motor (5), a rotating shaft (2) which penetrates through the inner wall at the right end of the crushing box (1) and extends outside is vertically and symmetrically arranged on the inner wall at the left side of the crushing box (1) through a bearing, a transmission gear (3) is arranged on the outer wall at the right end of the rotating shaft (2), the transmission gear (3) is meshed with the driving gear (4), crushing rollers (6) are rotatably connected on the rotating shaft (2), and teeth on the two crushing rollers (6) are meshed with each other, a drying cylinder is arranged on the inner wall of the middle part of the top end of the processing box (7), a discharge opening communicated with the drying cylinder is arranged on the outer wall of the bottom end of the crushing box (1), an oblique line type vibration partition plate (21) is arranged on the inner wall of the drying cylinder through a mounting seat, a discharge opening (23) is arranged on the vibration partition plate (21), a control valve is arranged on the discharge opening (23), a discharge opening is arranged on the outer wall of the bottom end of the drying cylinder, a dust suction pipe (9) is arranged on the outer wall of the top end of the right side of the drying cylinder, a dust suction machine (8) arranged on the inner wall of the top end of the right side of the processing box (7) is arranged on the dust suction pipe (9), the other end of the dust suction pipe (9) is connected with a dust collection box (10) arranged on the inner wall of the top end of the right side of the processing box (7), an electric heating box (17) is arranged on the inner wall of the left side of the electric heating box (17), a heating rod (18) is wound with a heating wire (19), be provided with aspiration channel (20) on electric box (17) right side bottom outer wall, aspiration channel (20) other end links to each other with suction fan (16) of installing on drying cylinder left side top outer wall, be provided with on suction fan (16) right-hand member outer wall and run through the drying cylinder outer wall and extend to inside hot-blast head (15) of drying cylinder, be provided with graphite hot melt plate (11) on processing case (7) middle part inner wall, middle part position is provided with discharging pipe (25) on graphite hot melt plate (11), be provided with accuse material valve on discharging pipe (25), discharging pipe (25) other end links to each other with agitator tank (31) of installing on processing case (7) bottom inner wall.
2. The natural asphalt processing plant according to claim 1, wherein the graphite heaters (24) are symmetrically arranged on the outer walls of the two ends of the bottom of the graphite hot melt plate (11).
3. The natural asphalt processing plant as claimed in claim 1, wherein the bottom end of said vibrating diaphragm (21) is provided with a vibrator (22) mounted on the inner wall of the drying drum.
4. The natural asphalt processing complete equipment according to claim 1, wherein a discharging pipe (26) which penetrates through the inner wall of the processing box (7) and extends to the outside is arranged on the outer wall of the bottom end of the stirring box (31), an electromagnetic valve is arranged inside the discharging pipe (26), a material guide pipe (12) which penetrates through the inner wall of the processing box (7) and extends to the outside is arranged on the outer wall of the top end of the right side of the stirring box (31), executing motors (28) are symmetrically arranged on the outer walls of the two ends of the top of the stirring box (31), a transmission shaft (29) is arranged on the output end of the executing motors (28), a plurality of stirring blades (30) are symmetrically arranged on the transmission shaft (29), a rotating motor (33) is arranged on the outer wall of the middle part of the left side of the stirring box (31), a worm (32) positioned inside the stirring box (31) is arranged on the output end of the rotating motor (33), and the other end of the worm (32) is connected with a bearing arranged on the inner wall of the middle part of the right side of the stirring box (31), the upper end and the lower end of the worm (32) are symmetrically and rotatably connected with a worm wheel (34), the upper middle part of the worm wheel (34) is rotatably connected with a rotating rod (35), an inner bearing is arranged on the outer wall of the rotating rod (35), and a plurality of stirring rods (36) are arranged on the inner bearing at equal angles.
5. The natural asphalt processing plant according to claim 1 or 2, wherein a cover plate (27) is arranged on the outer wall of the front side of the processing box (7), a control panel (13) is arranged on the outer wall of the top end of the front side of the cover plate (27), and a transparent glass window (37) is arranged on the outer wall of the bottom end of the front side of the cover plate (27).
CN202120895664.4U 2021-04-28 2021-04-28 Complete equipment for processing natural asphalt Active CN214974340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120895664.4U CN214974340U (en) 2021-04-28 2021-04-28 Complete equipment for processing natural asphalt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120895664.4U CN214974340U (en) 2021-04-28 2021-04-28 Complete equipment for processing natural asphalt

Publications (1)

Publication Number Publication Date
CN214974340U true CN214974340U (en) 2021-12-03

Family

ID=79092760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120895664.4U Active CN214974340U (en) 2021-04-28 2021-04-28 Complete equipment for processing natural asphalt

Country Status (1)

Country Link
CN (1) CN214974340U (en)

Similar Documents

Publication Publication Date Title
CN205587088U (en) Crushing -stirring machine is used in preparation of environment -friendly medicine
CN208419478U (en) A kind of haydite production building spoir drying unit
CN210699604U (en) Decorate for engineering coating smash mixing arrangement
CN107185477A (en) A kind of highly effective reaction device
CN108569519B (en) Powder devices and methods therefor on a kind of welding rod core wire
CN216419094U (en) Bituminous mixture circulation heating agitating unit
CN215586312U (en) Preparation device for phenolic glass fiber mold material
CN108036610A (en) A kind of feed drying device easy to discharge
CN205599141U (en) Chemical production uses high -efficient reation kettle with reducing mechanism
CN214974340U (en) Complete equipment for processing natural asphalt
CN218609028U (en) Material mixing device for building engineering
CN209985304U (en) Agitating unit is used in production of waterproof emulsion
CN112123576A (en) Raw material mixing device is used in hollow brick production
CN207169554U (en) One kind emulsification cutter
CN214613461U (en) Asphalt concrete compounding laying device
CN213254208U (en) Continuous production line of dry powder mixture
CN211823623U (en) Chemical raw material drying device
CN209937285U (en) Concrete mixer
CN107469979A (en) A kind of stirring-type circulates disintegrating machine
CN113351097A (en) Fiber and powder mixing stirrer
CN208841613U (en) A kind of production plastic particles blender
CN208567398U (en) A kind of agricultural agents heat storage drying box
CN216093149U (en) Chemical raw material batch mixing device
CN211367430U (en) Fermenting installation is used in water-soluble fertilizer production of rotten phytic acid
CN212790800U (en) Agitating unit is used in vegetable oil production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant