CN111803982A - Toluene distillation still - Google Patents

Toluene distillation still Download PDF

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Publication number
CN111803982A
CN111803982A CN202010642633.8A CN202010642633A CN111803982A CN 111803982 A CN111803982 A CN 111803982A CN 202010642633 A CN202010642633 A CN 202010642633A CN 111803982 A CN111803982 A CN 111803982A
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CN
China
Prior art keywords
fixedly connected
tank body
slots
motor
distillation still
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CN202010642633.8A
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Chinese (zh)
Inventor
胡志鹏
张翔
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Individual
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Individual
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Priority to CN202010642633.8A priority Critical patent/CN111803982A/en
Publication of CN111803982A publication Critical patent/CN111803982A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/02Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/42Regulation; Control

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention relates to the technical field of stills, in particular to a toluene stills, which comprises a panel body, mounting blocks, light source plates, heat dissipation devices, fixing devices and clamping mechanisms, wherein the mounting blocks are inserted into two sides of the panel body, the heat dissipation devices are arranged in the mounting blocks, the light source plates are arranged in the mounting blocks and correspond to the two sides of the panel body, the upper ends of the mounting blocks are positioned through the fixing devices, and the clamping mechanisms are arranged on two sides of the fixing devices. Through setting up the installation piece, utilizing the inside guide way of installation piece to install the panel body into the inside of mounting groove, then fix the panel body through fixing device and block mechanism, not only made things convenient for the installation of panel body, also avoided the panel body to receive the injury when the installation, the inside pressfitting spring of fixing device more is favorable to protecting the panel body when the panel body receives the impact.

Description

Toluene distillation still
Technical Field
The invention relates to the technical field of distillation kettles, in particular to a toluene distillation kettle.
Background
The distillation still is designed for solving the problem that the existing distillation still needs to be intermittently overhauled and cleaned when materials contain solid matters and high-boiling-point matters in the production process, the distillation still has the function of vaporizing distilled liquid and provides necessary ascending vapor quantity in a tower, the type of the distillation still is provided with a jacket type, a coil type and a tube type, the jacket type and the coil type are smaller in heating area and are mostly used in small-sized production, and the tube type distillation still is mostly used in large-sized production.
The separation part of the upper tank body and the lower tank body of the distillation still is located the upper end of the distillation still, when the residue that produces the distillation still inside needs to be cleared up, need carry out a plurality of brush you contact of fixing to the upper tank body and the lower tank body, then just can take off the upper tank body of upper end, then take out the residue from the opening part of the lower tank body, the height of the lower tank body is higher and then can make taking of residue comparatively inconvenient, and the inside atmospheric pressure that produces breeds through steam of distillation still discharges steam, steam exhaust's speed is slower, and then make distillation still's distillation efficiency lower.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a toluene distillation kettle.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a toluene stills, includes the base, slide mechanism has been seted up to the inside of base, the fixed jar body mechanism that is provided with on slide mechanism's the upper surface, jar body mechanism passes through sealing mechanism sealing connection, the fixed booster mechanism that is provided with in inside of jar body mechanism, the fixed intercommunication in upper end of jar body mechanism has the blast pipe.
Specifically, slide mechanism includes the draw-in groove, removes seat, spout, slider, rack, first motor and gear, the draw-in groove is seted up on one side lateral wall of base, the inside joint of draw-in groove has the removal seat, the spout has been seted up on the inner wall of draw-in groove, the inside sliding connection of spout has the slider, slider fixed connection is on the lateral wall of removing the seat, fixedly connected with rack on the upper surface of removal seat, the first motor of fixedly connected with on the upper surface of base, the output fixedly connected with gear of first motor, the wheel meshes with the rack mutually.
Concretely, jar body mechanism includes mounting groove, a screw thread section of thick bamboo, screw thread post, lower jar of body, support column, fixed plate, goes up jar body and rotation handle, the mounting groove is seted up on the upper surface of removing the seat, the fixed cover in inside of mounting groove has a screw thread section of thick bamboo, the inside threaded connection of a screw thread section of thick bamboo has a screw thread post, jar body, two under the upper end fixedly connected with of screw thread post support column fixed connection is in the upper surface both sides of base, two the same fixed plate of the equal fixedly connected with in upper end of support column, two the same last jar of body of fixed plate fixedly connected with, a plurality of rotation handles of fixedly connected with on the lateral wall of the.
Specifically, the sealing mechanism comprises an upper fixing ring, a lower fixing ring, slots, levers, slots, insertion rods, first sleeves, fixing grooves, second sleeves and sealing washers, the upper fixing ring is fixedly connected to the opening of the upper tank body, the lower fixing ring is fixedly connected to the opening of the lower tank body, the inner wall of the upper fixing ring is provided with two symmetrically arranged slots, the insides of the two slots are rotatably connected with the levers, the inner walls of the two slots are provided with the slots, the insides of the two slots are inserted with the insertion rods, the surfaces of the two insertion rods positioned inside the slots are fixedly connected with the first sleeves, the outer side walls of the two lower tank bodies are provided with the fixing grooves, the outer wall of the lower fixing ring is fixedly connected with the second sleeves matched with the first sleeves, and the two insertion rods are inserted into the fixing grooves, and a sealing gasket is fixed on the lower surface of the upper fixing ring.
Specifically, the pressurizing mechanism comprises a second motor, a rotating shaft, a waterproof bearing, elliptical rotating discs, pressurizing cylinders, springs, pistons and a pushing column, wherein the second motor is fixedly connected to the outer wall of the upper tank body, the output end of the second motor is fixedly connected with the rotating shaft, the rotating shaft is rotatably connected to the outer side wall of the upper tank body through the waterproof bearing, the surface of one end, extending to the inside of the upper tank body, of the rotating shaft is fixedly connected with two elliptical rotating discs, the side walls of the upper ends of the two sides of the upper tank body are fixedly connected with the pressurizing cylinders, and the insides of the two pressurizing cylinders are fixedly connected with the springs; the other end of the spring is fixedly connected with a piston, the other end of the piston is fixedly connected with a push column, and the other end of the push column is in contact with the outer circle side wall of the elliptic turntable.
Specifically, the inserted bar sets up in the slope, the lower extreme of inserted bar is close to down the jar body, the push away the post and be close to the one end of oval carousel seted up with the cambered surface of oval carousel.
The invention has the beneficial effects that:
(1) according to the toluene distillation kettle, the separation part of the upper tank body and the lower tank body is arranged on the side wall of the lower end of the tidying tank, the lower tank body can be driven to rotate by rotating the rotating handle, the threaded column can be driven to rotate when the lower tank body rotates, the lower tank body can be driven to move up and down through the threaded cylinder when the threaded column rotates, the lower tank body can be separated from the upper tank body, then the gear can be driven to rotate through the first motor, the gear drives the rack to move, the movable seat is driven to move out of the clamping groove, the lower tank body is further moved out of the position under the upper tank body, and residues in the lower tank body can be conveniently cleaned.
(2) According to the toluene distillation kettle, the second motor is used for driving the elliptical rotary table to rotate through the arranged supercharging mechanism, the elliptical rotary table pushes the push injection to kick when rotating, the piston is pushed to move through the push injection, the space inside the distillation kettle is reduced when the piston moves back, steam inside the distillation kettle is discharged through the exhaust pipe, the exhaust speed of the distillation kettle is increased, and the distillation efficiency of the distillation kettle is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a toluene distillation still provided by the present invention;
FIG. 2 is a schematic side view of a toluene distillation still according to the present invention;
FIG. 3 is an enlarged view of a portion A of a toluene distillation still according to the present invention in FIG. 1;
FIG. 4 is an enlarged view of part B in FIG. 1 of a toluene distillation still according to the present invention;
FIG. 5 is a schematic diagram of a pressurization mechanism of a toluene distillation still provided by the invention.
In the figure: 1. a base; 2. a sliding mechanism; 21. a card slot; 22. a movable seat; 23. a chute; 24. a slider; 25. a rack; 26. a first motor; 27. a gear; 3. a tank mechanism; 31. mounting grooves; 32. a threaded barrel; 33. a threaded post; 34. a tank body is arranged; 35. a support pillar; 36. a fixing plate; 37. feeding the tank body; 38. rotating the handle; 4. a sealing mechanism; 41. an upper fixing ring; 42. a lower fixing ring; 43. grooving; 44. a lever; 45. a slot; 46. inserting a rod; 47. a first sleeve; 48. fixing grooves; 49. a second sleeve; 410. a sealing gasket; 5. a pressurization mechanism; 51. a second motor; 52. a rotating shaft; 53. a waterproof bearing; 54. an elliptical turntable; 55. a pressurizing cylinder; 56. a spring; 57. a piston; 58. pushing the column; 6. and (4) exhausting the gas.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the toluene distillation still comprises a base 1, a sliding mechanism 2 is arranged inside the base 1, a tank mechanism 3 is fixedly arranged on the upper surface of the sliding mechanism 2, the tank mechanism 3 is hermetically connected through a sealing mechanism 4, a pressurization mechanism 5 is fixedly arranged inside the tank mechanism 3, and an exhaust pipe 6 is fixedly communicated with the upper end of the tank mechanism 3.
Specifically, the sliding mechanism 2 includes a slot 21, a moving seat 22, a sliding slot 23, a sliding block 24, a rack 25, a first motor 26 and a gear 27, the slot 21 is disposed on a side wall of the base 1, the moving seat 22 is clamped inside the slot 21, the sliding slot 23 is disposed on an inner wall of the slot 21, the sliding block 24 is slidably connected inside the sliding slot 23, the sliding block 24 is fixedly connected to a side wall of the moving seat 22, the rack 25 is fixedly connected to an upper surface of the moving seat 22, the first motor 26 is fixedly connected to an upper surface of the base 1, the gear 27 is engaged with the rack 25, the first motor 26 is started, the first motor 26 drives the gear 27 to rotate, the engaged rack 25 is driven to move when the gear 27 rotates, the rack 25 drives the moving seat 22 to move into the slot 21, the moving seat 22 drives the lower end of the upper tank body 37 to move to be aligned with the upper tank body 37, when the distillation needs to be cleaned up inside the distillation kettle, the first motor 26 is started to drive the gear 27 to rotate reversely, the movable seat 22 is driven by the rack 25 to move, the movable seat 22 drives the lower tank 34 to move out of the lower end of the upper tank 37, and the inside of the lower tank 34 is conveniently cleaned up.
Specifically, the tank mechanism 3 includes an installation groove 31, a threaded cylinder 32, a threaded column 33, a lower tank 34, support columns 35, fixing plates 36, an upper tank 37 and a rotating handle 38, the installation groove 31 is formed on the upper surface of the movable base 22, the threaded cylinder 32 is fixedly sleeved inside the installation groove 31, the threaded column 33 is connected to the threaded cylinder 32 through internal threads, the lower tank 34 is fixedly connected to the upper end of the threaded column 33, the two support columns 35 are fixedly connected to both sides of the upper surface of the base 1, the same fixing plate 36 is fixedly connected to the upper ends of the two support columns 35, the same upper tank 37 is fixedly connected to the two fixing plates 36, a plurality of rotating handles 38 are fixedly connected to the side wall of the lower tank 34, the rotating handles 38 are rotated to drive the lower tank 34 to rotate, the threaded column 33 is driven to rotate when the lower tank 34 rotates, the threaded column 33 is driven by the threaded cylinder 32 to further, the threaded column 33 drives the lower tank 34 to move upwards, when the distillation kettle needs to be cleaned after the distillation is completed, the rotating handle 38 is rotated, the lower tank 34 is driven to move downwards through the threaded cylinder 32 and the threaded column 33, and the lower tank 34 is separated from the upper tank 37.
Specifically, the sealing mechanism 4 includes an upper fixing ring 41, a lower fixing ring 42, slots 43, a lever 44, slots 45, insertion rods 46, a first sleeve 47, a fixing groove 48, a second sleeve 49 and a sealing washer 410, the upper fixing ring 41 is fixedly connected to an opening of the upper tank 37, the lower fixing ring 42 is fixedly connected to an opening of the lower tank 34, the inner wall of the upper fixing ring 41 is provided with two slots 43 symmetrically arranged, the insides of the two slots 43 are rotatably connected with the lever 44, the inner walls of the two slots 43 are provided with the slots 45, the insides of the two slots 45 are provided with the insertion rods 46, the surfaces of the two insertion rods 46 located inside the slots 43 are fixedly connected with the first sleeve 47, the outer side walls of the two lower tanks 34 are provided with the fixing groove 48, the outer wall of the lower fixing ring 42 is fixedly connected with the second sleeve 49 matched with the first sleeve 47, the two insertion rods 46 are inserted inside the fixing groove 48, the lower surface of the upper fixing ring 41 is fixedly connected with a sealing washer 410, when the upper fixing ring 41 is close to the lower fixing ring 42, one end of the lever 44 is inserted into the second sleeve 49 on the outer wall of the lower fixing ring 42, the lever 44 is pushed to rotate through the second sleeve 49, and then the first sleeve 47 is driven to move through the lever 44, the first sleeve 47 drives the insert rod 46 to move downwards, so that the insert rod 46 is inserted into the fixing groove 48, the lower end of the insert rod 46 is close to the lower tank 34 to be obliquely arranged, and then the insert rods clamp the lower tank 34, so that the lower tank 34 is prevented from being separated from the upper tank 37, the lower fixing ring 42 is in close contact with the sealing washer 410, and further the upper tank 37 is in close contact with the lower.
Specifically, the pressurizing mechanism 5 includes a second motor 51, a rotating shaft 52, a waterproof bearing 53, an elliptical turntable 54, a pressurizing cylinder 55, a spring 56, a piston 57 and a push column 58, the second motor 51 is fixedly connected to the outer wall of the upper tank 37, the output end of the second motor 51 is fixedly connected to the rotating shaft 52, the rotating shaft 52 is rotatably connected to the outer side wall of the upper tank 37 through the waterproof bearing 53, two elliptical turntables 54 are fixedly connected to the surface of one end of the rotating shaft 52 extending into the upper tank 37, the pressurizing cylinders 55 are fixedly connected to the side walls of the upper ends of the two sides of the upper tank 37, and springs 56 are fixedly connected to the insides of the two pressurizing cylinders 55; the equal fixedly connected with piston 57 of the other end of two springs 56, the equal fixedly connected with push post 58 of the other end of two pistons 57, the other end of two push posts 58 all sets up with the contact of excircle lateral wall of oval carousel 54, start second motor 51, drive pivot 52 through second motor 51 and rotate, drive oval carousel 54 and rotate when pivot 52 rotates, promote push post 58 and remove when oval carousel 54 rotates, promote piston 57 and remove when push post 58 removes, make the inside space grow of stills when piston 57 removes, remove the promotion to push post 58 after oval carousel 54 rotates forty-five degrees, and then promote piston 57 through spring 56 and move back, and then extrude the inside steam of stills, extrude the stills with steam, and then increase stills's exhaust velocity, make the improvement of stills's distillation efficiency.
Specifically, the insert rod 46 is obliquely arranged, the lower end of the insert rod 46 is close to the lower tank 34, the lower end of the insert rod 46 is obliquely arranged close to the lower tank 34, so that the plurality of insert rods clamp the lower tank 34 to prevent the lower tank 34 from being separated from the upper tank 37, and the end, close to the elliptical rotating disc 54, of the push column 58 is provided with an arc surface corresponding to the elliptical rotating disc 54, so that the elliptical rotating disc 54 can push the push column 58 conveniently.
When the device is used, firstly, the first motor 26 is started, the first motor 26 drives the gear 27 to rotate, the gear 27 drives the engaged rack 25 to move when rotating, the rack 25 drives the moving seat 22 to move into the clamping groove 21, the moving seat 22 drives the lower tank 34 to move to the lower end of the upper tank 37 to be aligned with the upper tank 37, then the rotating handle 38 is rotated to drive the lower tank 34 to rotate, the lower tank 34 drives the threaded column 33 to rotate when rotating, the threaded column 33 is driven by the threaded cylinder 32 to move the threaded column 33 up and down, the threaded column 33 drives the lower tank 34 to move up, when the upper fixing ring 41 is close to the lower fixing ring 42, one end of the lever 44 is inserted into the second sleeve 49 on the outer wall of the lower fixing ring 42, the lever 44 is pushed to rotate by the second sleeve 49, and then the first sleeve 47 is driven by the lever 44 to move, the first sleeve 47 drives the inserted rod 46 to move down, so that the inserted rod, the lower end of the insert rod 46 is arranged to be close to the lower tank 34 in an inclined manner, so that a plurality of insert rods clamp the lower tank 34, the lower tank 34 is prevented from being separated from the upper tank 37, the lower fixing ring 42 is in tight contact with the sealing washer 410, the upper tank 37 is in tight contact with the lower tank 34, toluene is introduced into the distillation still, an external heating mechanism is started to heat the distillation still, liquid in the distillation still is vaporized, then the second motor 51 is started, the rotating shaft 52 is driven to rotate through the second motor 51, the elliptical rotary disc 54 is driven to rotate when the rotating shaft 52 rotates, the push column 58 is driven to move when the elliptical rotary disc 54 rotates, the piston 57 is driven to move when the push column 58 moves, the space in the distillation still is enlarged when the piston 57 moves, the push column 58 is released when the elliptical rotary disc 54 rotates for forty-five degrees, the piston 57 is driven to move back through the spring 56, and steam in the distillation still is extruded, extrude stills with vapour, and then increase stills's exhaust velocity, make stills's distillation efficiency to improve, when accomplishing the distillation needs to clear up stills inside, rotate rotation handle 38, it moves down to drive down jar body 34 through screw thread section of thick bamboo 32 and screw thread post 33, and then make down jar body 34 and last jar body 37 separation, then start first motor 26 and drive gear 27 reversal, and then drive through rack 25 and remove seat 22 and remove, remove seat 22 and drive down jar body 34 and shift out the lower extreme of last jar body 37, and then conveniently clear up the inside of lower jar body 34.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A toluene distillation still is characterized in that: including base (1), slide mechanism (2) have been seted up to the inside of base (1), the fixed jar body mechanism (3) that is provided with on the upper surface of slide mechanism (2), jar body mechanism (3) are through sealing mechanism (4) sealing connection, the fixed pressure boost mechanism (5) that is provided with in inside of jar body mechanism (3), the fixed intercommunication in upper end of jar body mechanism (3) has blast pipe (6).
2. A toluene distillation still according to claim 1, wherein: slide mechanism (2) are including draw-in groove (21), removal seat (22), spout (23), slider (24), rack (25), first motor (26) and gear (27), draw-in groove (21) are seted up on one side lateral wall of base (1), the inside joint of draw-in groove (21) has removal seat (22), spout (23) have been seted up on the inner wall of draw-in groove (21), the inside sliding connection of spout (23) has slider (24), slider (24) fixed connection is on the lateral wall of removing seat (22), fixedly connected with rack (25) on the upper surface of removal seat (22), first motor (26) of fixedly connected with on the upper surface of base (1), the output fixedly connected with gear (27) of first motor (26), gear (27) and rack (25) mesh mutually.
3. A toluene distillation still according to claim 1, wherein: the tank body mechanism (3) comprises an installation groove (31), a thread cylinder (32), a thread column (33), a lower tank body (34), a support column (35), a fixed plate (36), an upper tank body (37) and a rotating handle (38), the mounting groove (31) is arranged on the upper surface of the movable seat (22), a threaded cylinder (32) is fixedly sleeved in the mounting groove (31), the inner thread of the thread cylinder (32) is connected with a thread column (33), the upper end of the thread column (33) is fixedly connected with a lower tank body (34), two support columns (35) are fixedly connected with the two sides of the upper surface of the base (1), the upper ends of the two support columns (35) are both fixedly connected with the same fixing plate (36), the two fixing plates (36) are fixedly connected with the same upper tank body (37), the side wall of the lower tank body (34) is fixedly connected with a plurality of rotating handles (38).
4. A toluene distillation still according to claim 1, wherein: the sealing mechanism (4) comprises an upper fixing ring (41), a lower fixing ring (42), slots (43), a lever (44), slots (45), insertion rods (46), a first sleeve (47), a fixing groove (48), a second sleeve (49) and a sealing washer (410), wherein the upper fixing ring (41) is fixedly connected to the opening of the upper tank body (37), the lower fixing ring (42) is fixedly connected to the opening of the lower tank body (34), the inner wall of the upper fixing ring (41) is provided with two slots (43) which are symmetrically arranged, the insides of the two slots (43) are rotatably connected with the lever (44), the inner walls of the two slots (43) are provided with the slots (45), the insertion rods (46) are inserted into the insides of the two slots (45), and the surfaces of the two insertion rods (46) which are positioned in the slots (43) are fixedly connected with the first sleeve (47), all seted up fixed slot (48) on the lateral wall of two lower jar of body (34), fixedly connected with and first sleeve (47) assorted second sleeve (49) on the outer wall of lower fixed ring (42), two inserted bar (46) are inserted and are established inside fixed slot (48), fixedly connected with seal ring (410) on the lower surface of upper fixed ring (41).
5. A toluene distillation still according to claim 1, wherein: the supercharging mechanism (5) comprises a second motor (51), a rotating shaft (52), a waterproof bearing (53), an elliptical turntable (54), a supercharging cylinder (55), a spring (56), a piston (57) and a push column (58), wherein the second motor (51) is fixedly connected to the outer wall of the upper tank body (37), the output end of the second motor (51) is fixedly connected with the rotating shaft (52), the rotating shaft (52) is rotatably connected to the outer side wall of the upper tank body (37) through the waterproof bearing (53), the surface of one end, extending to the inside of the upper tank body (37), of the rotating shaft (52) is fixedly connected with two elliptical turntables (54), the side walls of the upper ends of the two sides of the upper tank body (37) are fixedly connected with the supercharging cylinder (55), and the inside of the two supercharging cylinders (55) is fixedly connected with the spring (56); the other end of the two springs (56) is fixedly connected with a piston (57), the other end of the piston (57) is fixedly connected with a push column (58), and the other end of the push column (58) is in contact with the outer circle side wall of the elliptic rotating disc (54).
6. A toluene distillation still according to claim 4, wherein: the inserted rod (46) is obliquely arranged, and the lower end of the inserted rod (46) is close to the lower tank body (34); one end of the push column (58) close to the elliptic turntable (54) is provided with an arc surface which is connected with the elliptic turntable (54).
CN202010642633.8A 2020-07-06 2020-07-06 Toluene distillation still Withdrawn CN111803982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010642633.8A CN111803982A (en) 2020-07-06 2020-07-06 Toluene distillation still

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010642633.8A CN111803982A (en) 2020-07-06 2020-07-06 Toluene distillation still

Publications (1)

Publication Number Publication Date
CN111803982A true CN111803982A (en) 2020-10-23

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Application Number Title Priority Date Filing Date
CN202010642633.8A Withdrawn CN111803982A (en) 2020-07-06 2020-07-06 Toluene distillation still

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CN (1) CN111803982A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114317119A (en) * 2022-01-11 2022-04-12 广州科百欣香料有限公司 Extracting device of essence for cigarettes
CN114717052A (en) * 2022-03-15 2022-07-08 德帕姆(杭州)泵业科技有限公司 Rose essential oil extraction equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114317119A (en) * 2022-01-11 2022-04-12 广州科百欣香料有限公司 Extracting device of essence for cigarettes
CN114717052A (en) * 2022-03-15 2022-07-08 德帕姆(杭州)泵业科技有限公司 Rose essential oil extraction equipment
CN114717052B (en) * 2022-03-15 2023-11-21 德帕姆(杭州)泵业科技有限公司 Rose essential oil extraction equipment

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Application publication date: 20201023

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