CN111647465B - Copper pipe cooling type eucalyptus oil purification tank - Google Patents
Copper pipe cooling type eucalyptus oil purification tank Download PDFInfo
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- CN111647465B CN111647465B CN202010541788.2A CN202010541788A CN111647465B CN 111647465 B CN111647465 B CN 111647465B CN 202010541788 A CN202010541788 A CN 202010541788A CN 111647465 B CN111647465 B CN 111647465B
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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- Crystallography & Structural Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
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Abstract
The invention belongs to the field of eucalyptus oil processing, and particularly relates to a copper pipe cooling type eucalyptus oil purifying tank, which comprises a tank body, wherein a vertically arranged reciprocating screw rod is rotationally connected in the tank body, a movable spray head is connected on the reciprocating screw rod in a threaded manner, a mixed steam input pipe is arranged on the movable spray head, copper pipe cooling mechanisms are respectively arranged on two sides of the reciprocating screw rod, an upper rotating frame and a lower rotating frame are respectively rotationally connected at the upper end and the lower end of each copper pipe cooling mechanism, an exhaust pipe is arranged on the upper rotating frame, an air inlet pipe is arranged on the lower rotating frame, and a driving piece for driving the copper pipe cooling mechanisms to rotate in a unidirectional manner is arranged on the upper rotating frame. According to the invention, through arranging the heat medium pipe and the cold air pipe, after cooling crystallization of eucalyptus oil is completed, the heat medium is introduced into the copper pipe through the heat medium pipe, so that eucalyptus oil grains crystallized on the surface of the copper pipe are dissolved, and the eucalyptus oil is obtained, the crystals are not required to be transferred back and forth, and additional dissolving equipment is not required, so that the method is simpler and more convenient.
Description
Technical Field
The invention belongs to the field of eucalyptus oil processing, and particularly relates to a copper pipe cooling type eucalyptus oil purifying tank.
Background
Eucalyptus oil, also called cajeput and eucalyptol, is colorless oily liquid extracted from oleum Eucalypti, jade tree oil, oleum Camphora, laurel leaf oil, etc., and can be widely used in medicine to prepare toothpaste essence, etc. Colorless or yellowish liquid, which is a special cool eucalyptus aculeatus She Xiangqi with a few minutes of camphor smell, has a hot mouth cool feel with some medicinal gases, has strong and durable fragrance, has a certain mildew-proof, sterilization and corrosion-proof effect, is almost insoluble in water, and is soluble in ethanol, absolute ethanol, oil and fat, and the eucalyptus oil can be divided into the following uses in commercial trade according to the main components: medical oils, fragrance oils and industrial oils, of which the most important are medical oils.
In the eucalyptus oil processing process, the eucalyptus oil needs to be purified, mixed steam obtained by cooling and distillation needs to be introduced into a purification tank to be condensed and crystallized, and then the obtained crystal grains are heated and melted to produce the eucalyptus oil.
In the existing purification tank, the position of a cooling copper pipe is fixed, the position of a spray pipe of mixed steam is also fixed, so that a large amount of mixed steam is concentrated at a certain position of the purification tank in the actual use process, so that crystals are not uniformly crystallized everywhere in the tank body.
For this purpose, we propose a copper tube cooled eucalyptus oil purification tank to solve the above problems.
Disclosure of Invention
The invention aims to solve the problem of non-uniformity of crystallization of the existing purification tank, and provides a copper pipe cooling type eucalyptus oil purification tank capable of improving crystallization uniformity.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a copper pipe cooling formula eucalyptus oil purification jar, includes the jar body, the internal reciprocal lead screw that is connected with vertical setting that rotates of jar, threaded connection has movable shower nozzle on the reciprocal lead screw, be equipped with mixed steam input tube on the movable shower nozzle, the both sides of reciprocal lead screw all are equipped with copper pipe cooling mechanism, copper pipe cooling mechanism's upper and lower both ends are rotated respectively and are connected with rotating frame and lower rotating frame, be equipped with the blast pipe on the rotating frame, be equipped with the intake pipe on the lower rotating frame, be equipped with on the rotating frame and be used for driving copper pipe cooling mechanism unidirectional rotation's driving piece, fixedly connected with and driving piece complex rack on the movable shower nozzle, the bottom of the jar body is equipped with the discharge gate, the upper end fixedly connected with of the jar body is used for driving reciprocating lead screw's driving motor.
In the copper pipe cooling type eucalyptus oil purifying tank, the lower end of the reciprocating screw rod is rotationally connected with the bottom of the tank body through the fixing frame, the movable spray head is provided with the limiting rod in a penetrating mode, and the limiting rod is fixedly connected to the upper end of the tank body.
In the copper pipe cooling type eucalyptus oil purifying tank, the movable spray head is composed of a threaded sleeve, a movable block and nozzles, the threaded sleeve is in threaded connection with the outside of the reciprocating screw rod, the movable block is fixedly connected with the outside of the threaded sleeve, the number of the nozzles is two, the two nozzles are respectively and fixedly connected to two sides of the movable block and correspond to the positions of the copper pipe cooling mechanism, and the mixed steam input pipe is communicated with the two nozzles through a channel arranged in the movable block.
In the copper pipe cooling type eucalyptus oil purifying tank, the rack is an L-shaped rack, teeth are arranged on the vertical section of the L-shaped rack, and the rack is fixedly connected to the side wall of the movable block.
In the copper pipe cooling type eucalyptus oil purification tank, the copper pipe cooling mechanism comprises a top disc, a base disc and a plurality of copper pipes, wherein the top disc and the base disc are arranged in parallel, the copper pipes are fixedly connected between the top disc and the base disc, the axes of the copper pipes are parallel to the axes of the top disc and the base disc, the upper ends of the copper pipes are communicated with the exhaust pipe through rotary joints which are rotationally connected to the top disc, the base disc is sealed and rotationally connected with a sealing ring, and the sealing ring is fixedly connected with an air guide pipe communicated with an air inlet pipe, and the air guide pipe is at most communicated with one copper pipe and is not communicated with other copper pipes.
In the copper pipe cooling type eucalyptus oil purifying tank, the air inlet end of the air inlet pipe is respectively connected with the heat medium pipe and the cold air pipe through a three-way valve.
In the copper pipe cooling type eucalyptus oil purification tank, the driving piece comprises an L-shaped connecting rod, a driving shaft and a driven shaft which are fixedly connected to the upper rotating frame, the driving shaft and the driven shaft are horizontally and rotatably connected between the connecting rod and the upper rotating frame, a driving gear and a transmission gear are fixedly connected to the driving shaft, the driving gear is fixedly connected with the driving shaft through a one-way bearing, a driven gear and a driving disc are fixedly connected to the driven shaft, the driven gear is meshed with the transmission gear, and the driving disc acts on the upper surface of the top disc.
In the copper pipe cooling type eucalyptus oil purifying tank, a circle of friction ring is wound on the driving disc, and the friction ring is made of rubber materials.
Compared with the prior art, the copper pipe cooling type eucalyptus oil purifying tank has the advantages that:
1. according to the invention, the reciprocating screw rod and the movable spray head are arranged, and when the device is used, the reciprocating screw rod is driven by the driving motor to continuously rotate, so that the spray head moves back and forth along the vertical direction, the mixed steam can be uniformly dispersed at all positions of the tank body, and the crystallization uniformity is improved.
2. Compared with the traditional serial copper pipe, the device adopts the parallel copper pipe, so that the effective transmission length of the copper pipe can be greatly shortened, the energy loss is reduced, and the success rate of condensation and crystallization is further improved.
3. According to the invention, the driving piece and the rack are arranged, when the rack moves up and down along with the movable spray head, the rack intermittently acts on the driving piece, the driving piece drives the top disc to rotate, and further drives each copper pipe to rotate, so that each copper pipe sequentially rotates to a position corresponding to the spray nozzle, and crystallization particles are sequentially formed on the surface of each copper pipe.
4. According to the invention, through arranging the heat medium pipe and the cold air pipe, after cooling crystallization of eucalyptus oil is completed, the heat medium is introduced into the copper pipe through the heat medium pipe, so that eucalyptus oil grains crystallized on the surface of the copper pipe are dissolved, and the eucalyptus oil is obtained, the crystals are not required to be transferred back and forth, and additional dissolving equipment is not required, so that the method is simpler and more convenient.
Drawings
FIG. 1 is a schematic diagram of a copper tube cooled eucalyptus oil purification tank;
FIG. 2 is a schematic diagram of the connection relationship between a reciprocating screw rod and a movable nozzle in a copper pipe cooling eucalyptus oil purifying tank;
FIG. 3 is a schematic diagram of the structure of racks in a copper tube cooled eucalyptus oil purification tank;
fig. 4 is a schematic structural view of a copper tube cooling mechanism in a copper tube cooling eucalyptus oil purification tank provided by the invention;
FIG. 5 is a schematic view of the structure of the driving member in the copper tube cooling eucalyptus oil purifying tank;
fig. 6 is a schematic diagram of the structure of the lower rotating frame and the air duct in the copper pipe cooling eucalyptus oil purifying tank.
In the figure, a tank body 1, a reciprocating screw rod 2, a movable spray head 3, a mixed steam input pipe 4, a copper pipe cooling mechanism 5, an upper rotating frame 6, a lower rotating frame 7, an exhaust pipe 8, an air inlet pipe 9, a driving piece 10, a rack 11, a discharge port 12, a driving motor 13, a fixed frame 14, a limit rod 15, a threaded sleeve 16, a movable block 17, a nozzle 18, a top disk 19, a bottom disk 20, a copper pipe 21, a sealing ring 22, an air duct 23, a connecting rod 24, a driving shaft 25, a driven shaft 26, a driving gear 27, a driving gear 28, a one-way bearing 29, a driven gear 30 and a driving disk 31.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Examples
As shown in fig. 1-6, a copper pipe cooling eucalyptus oil purifying tank comprises a tank body 1, a reciprocating screw rod 2 which is vertically arranged is rotationally connected to the tank body 1, a movable spray head 3 is connected to the reciprocating screw rod 2 in a threaded manner, the lower end of the reciprocating screw rod 2 is rotationally connected with the bottom of the tank body 1 through a fixing frame 14, a gap is reserved between the fixing frame 14 and the side wall of the tank body 1, a finished product is conveniently discharged, a limit rod 15 is arranged on the movable spray head 3 in a penetrating manner, the limit rod 15 is fixedly connected to the upper end of the tank body 1, and the limit rod 15 is arranged to limit the movable spray head 3, so that the movable spray head 3 can only move up and down along the reciprocating screw rod 2.
Further, the movable nozzle 3 is composed of a threaded sleeve 16, a movable block 17 and nozzles 18, the threaded sleeve 16 is in threaded connection with the outside of the reciprocating screw rod 2, the movable block 17 is fixedly connected with the outside of the threaded sleeve 16, the number of the nozzles 18 is two, the two nozzles 18 are respectively and fixedly connected to two sides of the movable block 17 and correspond to the positions of the copper pipe cooling mechanism 5, the mixed steam input pipe 4 is communicated with the two nozzles 18 through a channel arranged in the movable block 17, the movable nozzle 3 is provided with the mixed steam input pipe 4, and the mixed steam input pipe 4 is made of a high-temperature-resistant and cold-resistant elastic material, so that continuous input of mixed steam can be kept in the process of moving the movable nozzle 3 up and down.
The copper pipe cooling mechanism 5 is arranged on two sides of the reciprocating screw rod 2, an upper rotating frame 6 and a lower rotating frame 7 are respectively connected to the upper end and the lower end of the copper pipe cooling mechanism 5 in a rotating mode, an exhaust pipe 8 is arranged on the upper rotating frame 6, an air inlet pipe 9 is arranged on the lower rotating frame 7, the copper pipe cooling mechanism 5 consists of a top disc 19, a base plate 20 and a plurality of copper pipes 21, the top disc 19 and the base plate 20 are arranged in parallel, the copper pipes 21 are fixedly connected between the top disc 19 and the base plate 20, the axis of each copper pipe 21 is parallel to the axis of the top disc 19 and the axis of the base plate 20, the upper end of each copper pipe 21 is communicated with the exhaust pipe 8 through a rotating joint connected to the top disc 19 in a rotating mode, a sealing ring 22 is connected to the base plate 20 in a sealing mode, an air guide pipe 23 communicated with the air inlet pipe 9 is fixedly connected to one copper pipe 21 at most, and the other copper pipes 21 are not communicated, compared with the traditional fixed copper pipes 21, the device adopts the movable spray head 3 to act on one copper pipe 21 each time, so that energy is concentrated, and eucalyptus oil is easily cooled on the surface of the copper pipe 21, and the condensation effect is greatly improved.
It should be noted that, the air inlet end of the air inlet pipe 9 is respectively connected with a heat medium pipe and a cold air pipe through a three-way valve, and after cooling crystallization of eucalyptus oil is completed, a heat medium is introduced into the copper pipe 21 through the heat medium pipe, so that eucalyptus oil crystal grains crystallized on the surface of the copper pipe are dissolved, eucalyptus oil is obtained, crystals do not need to be transferred back and forth, and additional dissolving equipment is not needed, so that the method is simpler and more convenient.
The upper rotating frame 6 is provided with a driving piece 10 for driving the copper pipe cooling mechanism 5 to rotate unidirectionally, the driving piece 10 is composed of an L-shaped connecting rod 24, a driving shaft 25 and a driven shaft 26 which are fixedly connected to the upper rotating frame 6, the driving shaft 25 and the driven shaft 26 are horizontally and rotatably connected between the connecting rod 24 and the upper rotating frame 6, a driving gear 27 and a transmission gear 28 are fixedly connected to the driving shaft 25, the driving gear 27 is fixedly connected with the driving shaft 25 through a one-way bearing 29, a driven gear 30 and a driving disc 31 are fixedly connected to the driven shaft 26, the driven gear 30 is meshed with the transmission gear 28, the driving disc 31 acts on the upper surface of the top disc 19, the driving disc 31 is provided with a circle of friction ring which is made of rubber materials, friction force between the driving disc 31 and the top disc 19 is improved, in addition, through setting of the number of teeth of the driving gear 27 and the rack 11 and setting of the transmission gear 30 and the transmission gear 28, when the driving gear 27 rotates by a certain angle, the copper pipe cooling mechanism 5 rotates by a certain angle, replacement among different copper pipes 21 is achieved, through setting the driving piece 10, the copper pipe cooling mechanism 3 can be moved down, the condensation effect can be better, and the condensation effect can not be achieved in turn, and the condensation effect can be achieved in the copper pipe cooling mechanism 5.
Fixedly connected with and driving piece 10 complex rack 11 on the movable nozzle 3, rack 11 are L type rack, are equipped with the tooth on the vertical section of L type rack, through setting up L type rack, realized dislocation set between driving piece 10 and the copper pipe 21, avoid taking place to interfere between the two, rack 11 fixed connection is on the lateral wall of movable block 17, and the bottom of jar body 1 is equipped with discharge gate 12, and the upper end fixedly connected with of jar body 1 is used for driving reciprocating screw rod 2's driving motor 13.
The working principle of the invention is as follows:
when the cooling device is used, mixed steam is firstly input from the mixed steam input pipe 4, cooling gas is input from the air inlet pipe 9, wherein the mixed steam is discharged from the pressure relief opening above the tank body 1, the cooling gas is discharged from the exhaust pipe 8, then the driving motor 13 is started, the driving motor 13 drives the reciprocating screw rod 2 to rotate in size, the movable spray head 3 can reciprocate up and down along the reciprocating screw rod 2, the spray nozzle of the movable spray head 3 can move up and down along the close copper pipe 21, and when the high-temperature mixed steam contacts with the copper pipe 21 with lower temperature, the phenomenon of condensation can occur, so that cooling crystallization of eucalyptus oil can be realized.
Meanwhile, as the movable spray head 3 moves up and down, the rack 11 acts on the driving member 10 when moving to the uppermost end, in particular, the rack 11 is meshed with the driving gear 27, and as the driving gear 27 is fixedly connected with the driving shaft 25 through the one-way bearing 29, in the up-down motion of the rack 11, the driving shaft 25 is driven to rotate a certain angle in one direction, so that the driving gear 28 rotates, the driving gear 28 further drives the driven gear 30 meshed with the driving gear 28 to rotate, further, the driven shaft 26 and the driving disc 31 fixedly connected to the driven shaft 26 are driven to rotate, and the driving disc 31 is contacted with the top disc 19, so that the angle of rotation movement of the top disc 19 can be driven, and the copper tubes 21 opposite to the position of the nozzles 18 are changed, namely, as the movable spray head 3 moves up and down continuously, the copper tubes 21 are sequentially contacted with the nozzles 18, so that the condensation crystallization of eucalyptus oil is realized.
Finally, after crystallization is completed, hot steam is input from the air inlet pipe 9, so that the temperature of the copper pipe 21 is increased, eucalyptus oil grains on the surface of the copper pipe 21 are dissolved, and compared with the traditional dissolution mode, the eucalyptus oil is obtained without preparing additional equipment or transferring the crystallization grains, thereby greatly reducing equipment cost, simplifying operation steps and improving production efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The utility model provides a copper pipe cooling formula eucalyptus oil purification jar, includes a jar body (1), its characterized in that, jar body (1) internal rotation is connected with reciprocating lead screw (2) of vertical setting, threaded connection has movable shower nozzle (3) on reciprocating lead screw (2), be equipped with mixed steam input tube (4) on movable shower nozzle (3), both sides of reciprocating lead screw (2) all are equipped with copper pipe cooling mechanism (5), copper pipe cooling mechanism's (5) upper and lower both ends are rotated respectively and are connected with upper rotating frame (6) and lower rotating frame (7), be equipped with blast pipe (8) on upper rotating frame (6), be equipped with intake pipe (9) on lower rotating frame (7), be equipped with on upper rotating frame (6) be used for driving copper pipe cooling mechanism (5) unidirectional rotation's driving piece (10), fixedly connected with on movable shower nozzle (3) with driving piece (10) complex rack (11), the bottom of jar body (1) is equipped with discharge gate (12), the upper end fixedly connected with of jar body (1) is used for driving lead screw (13) of reciprocating motor (2);
the lower end of the reciprocating screw rod (2) is rotationally connected with the bottom of the tank body (1) through a fixing frame (14), a limiting rod (15) is arranged on the movable spray head (3) in a penetrating way, and the limiting rod (15) is fixedly connected with the upper end of the tank body (1);
the movable spray head (3) consists of a threaded sleeve (16), a movable block (17) and nozzles (18), wherein the threaded sleeve (16) is in threaded connection with the outside of the reciprocating screw rod (2), the movable block (17) is fixedly connected with the outside of the threaded sleeve (16), the number of the nozzles (18) is two, the two nozzles (18) are respectively and fixedly connected to two sides of the movable block (17) and correspond to the positions of the copper pipe cooling mechanism (5), and the mixed steam input pipe (4) is communicated with the two nozzles (18) through a channel arranged in the movable block (17);
the rack (11) is an L-shaped rack, teeth are arranged on the vertical section of the L-shaped rack, and the rack (11) is fixedly connected to the side wall of the movable block (17);
the copper pipe cooling mechanism (5) consists of a top disc (19), a base plate (20) and a plurality of copper pipes (21), wherein the top disc (19) and the base plate (20) are arranged in parallel, the copper pipes (21) are fixedly connected between the top disc (19) and the base plate (20), the axis of each copper pipe (21) is parallel to the axes of the top disc (19) and the base plate (20), the upper end of each copper pipe (21) is communicated with the exhaust pipe (8) through a rotary joint which is rotationally connected to the top disc (19), the base plate (20) is sealed and rotationally connected with a sealing ring (22), an air duct (23) which is communicated with the air inlet pipe (9) is fixedly connected to the sealing ring (22), and the air duct (23) is communicated with one copper pipe (21) at most and is not communicated with the rest copper pipes (21);
the driving piece (10) comprises an L-shaped connecting rod (24) fixedly connected to an upper rotating frame (6), a driving shaft (25) and a driven shaft (26), wherein the driving shaft (25) and the driven shaft (26) are horizontally and rotationally connected between the connecting rod (24) and the upper rotating frame (6), a driving gear (27) and a transmission gear (28) are fixedly connected to the driving shaft (25), the driving gear (27) is fixedly connected with the driving shaft (25) through a one-way bearing (29), a driven gear (30) and a driving disc (31) are fixedly connected to the driven shaft (26), the driven gear (30) is meshed with the transmission gear (28), and the driving disc (31) acts on the upper surface of the top disc (19).
2. Copper pipe cooling type eucalyptus oil purification tank according to claim 1, characterized in that the air inlet end of the air inlet pipe (9) is connected with a heat medium pipe and a cold air pipe respectively through a three-way valve.
3. Copper pipe cooling type eucalyptus oil purification tank according to claim 1, characterized in that a circle of friction ring is wound on the driving disc (31), and the friction ring is made of rubber material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541788.2A CN111647465B (en) | 2020-06-15 | 2020-06-15 | Copper pipe cooling type eucalyptus oil purification tank |
| PCT/CN2021/091984 WO2021254015A1 (en) | 2020-06-15 | 2021-05-07 | Copper pipe cooling type eucalyptus oil purification tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541788.2A CN111647465B (en) | 2020-06-15 | 2020-06-15 | Copper pipe cooling type eucalyptus oil purification tank |
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| CN111647465A CN111647465A (en) | 2020-09-11 |
| CN111647465B true CN111647465B (en) | 2023-05-16 |
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| CN202010541788.2A Active CN111647465B (en) | 2020-06-15 | 2020-06-15 | Copper pipe cooling type eucalyptus oil purification tank |
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| WO (1) | WO2021254015A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111647465B (en) * | 2020-06-15 | 2023-05-16 | 江西思派思香料化工有限公司 | Copper pipe cooling type eucalyptus oil purification tank |
| CN112619198B (en) * | 2020-12-07 | 2022-02-11 | 迈安德集团有限公司 | Cooling crystallization box |
| CN113304500B (en) * | 2021-07-29 | 2021-10-19 | 山东奔月生物科技股份有限公司 | Crystallization reaction device for neotame production |
| CN114536557B (en) * | 2022-04-25 | 2022-07-08 | 新乡市万弘润建材有限公司 | Mixer for garden building |
| CN115105940B (en) * | 2022-06-17 | 2023-06-09 | 湖南富欧科技有限公司 | CVD coating tail gas pipe condenser cleaning equipment and tail gas treatment method |
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| CN212532921U (en) * | 2020-06-15 | 2021-02-12 | 江西思派思香料化工有限公司 | Copper pipe cooling type eucalyptus oil purification equipment |
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- 2020-06-15 CN CN202010541788.2A patent/CN111647465B/en active Active
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2021
- 2021-05-07 WO PCT/CN2021/091984 patent/WO2021254015A1/en active Application Filing
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| CN207259471U (en) * | 2017-08-21 | 2018-04-20 | 宜宾石平香料有限公司 | A kind of eucalyptus oil finished product crystallization treatment device |
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| CN111647465A (en) | 2020-09-11 |
| WO2021254015A1 (en) | 2021-12-23 |
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