CN107990667B - Copper sulfate drying device with material receiving function - Google Patents
Copper sulfate drying device with material receiving function Download PDFInfo
- Publication number
- CN107990667B CN107990667B CN201810026569.3A CN201810026569A CN107990667B CN 107990667 B CN107990667 B CN 107990667B CN 201810026569 A CN201810026569 A CN 201810026569A CN 107990667 B CN107990667 B CN 107990667B
- Authority
- CN
- China
- Prior art keywords
- copper sulfate
- main body
- drying device
- rotary
- material receiving
- 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.)
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- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000001035 drying Methods 0.000 title claims abstract description 45
- 229910000365 copper sulfate Inorganic materials 0.000 title claims abstract description 43
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 title claims abstract description 43
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract 2
- 238000010030 laminating Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010981 drying operation Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011365 complex material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0495—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with provisions for drying by electro-magnetic means, e.g. radiation, microwaves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model belongs to the technical field of drying device structures, and particularly relates to a copper sulfate drying device with a material receiving function, which comprises a bracket, two attaching blocks respectively arranged on the two brackets, a rotary charging hopper arranged between the two attaching blocks, and a cover plate arranged between the two attaching blocks and used for sealing the rotary charging hopper, wherein a drying air inlet pipe is arranged on the cover plate, an exhaust channel communicated with the rotary charging hopper is arranged on the attaching blocks, and a material receiving unit used for receiving dried copper sulfate products is also arranged on the two brackets. The utility model has the advantages of convenient and quick drying operation, flexible and effective discharging and taking operation, stable and convenient receiving operation and difficult scattering of the copper sulfate product.
Description
Technical Field
The utility model belongs to the technical field of drying device structures, and particularly relates to a copper sulfate drying device with a material receiving function.
Background
At present, a special drying device for copper sulfate generally consists of an air inlet pipe for drying, a drying device main body and an air outlet pipe, wherein the air inlet temperature is in direct proportion to the drying efficiency, the air inlet temperature is generally between 100 and 300 ℃, and the air outlet temperature is generally between 30 and 60 ℃ for effectively drying wet copper sulfate. On the other hand, most of the existing drying devices have the problems of discharging, taking materials and complex material collecting operation, so that a drying device for copper sulfate, which is convenient to operate, is urgently needed in the market.
The Chinese patent publication No. CN204165343U and publication No. 2015.02.18 discloses copper sulfate drying equipment, which comprises a hopper, a bracket, a closed container arranged on the bracket, and a vacuum pump set connected with the interior of the closed container, wherein a discharge hole of the hopper is connected with the closed container, a jacket is arranged in the closed container, and heat-conducting liquid is introduced into the jacket.
However, the drying apparatus of the patent of the present utility model has problems of complicated drying operation and low drying efficiency.
Disclosure of Invention
The utility model aims to provide a copper sulfate drying device with a material receiving function, which can achieve the aim of effectively drying a copper sulfate wet material by arranging a fitting block, a rotary charging hopper, a cover plate, a drying air inlet pipe, an exhaust cavity and a material receiving unit on a bracket. The utility model has the advantages of convenient and quick drying operation, flexible and effective discharging and taking operation, stable and convenient receiving operation and difficult scattering of the copper sulfate product.
The utility model adopts the technical proposal that: the utility model provides a copper sulfate drying device with receive material function, includes the support, still including setting up two respectively laminating pieces on the support, set up two rotatory loading hopper between the laminating piece, and set up two be used for the closing cap between the laminating piece the apron of rotatory loading hopper, be equipped with the intake pipe for drying on the apron, be equipped with on the laminating piece with the exhaust chamber way that the rotatory loading hopper is linked together, two still be equipped with on the support and be used for receiving the receipts material unit of dry back copper sulfate product, it is in including setting up mounting groove on the support medial surface to receive the material unit, both ends block sets up receive the material frame on the mounting groove, set up respectively receive the material frame in both sides position department is used for blockking on the bottom surface the baffle of copper sulfate product, and set up handle on the baffle, still be equipped with on the baffle and be used for the copper sulfate product carries out the discharging pipe of ejection of compact collection operation, be equipped with the pipe cap on the discharging pipe.
The further preferable technical scheme is as follows: the laminating piece is last to be equipped with through magnetic attraction mode with be used for control rotatory loading hopper carries out the magnetic force unit that rotates to open and shut.
The further preferable technical scheme is as follows: the rotary charging hopper comprises a cylindrical main body, two rotary shafts which are respectively arranged on two side surfaces of the cylindrical main body and used for being inserted and installed on the attaching block, and a charging tank which is arranged on the cylindrical main body, wherein iron blocks which are used for carrying out magnetic attraction with the magnetic force units are respectively arranged on two side positions in the axial direction of the charging tank.
The further preferable technical scheme is as follows: the laminating piece includes the main part, sets up the grafting groove on the main part medial surface, and set up in the main part and be used for the installation to set up the straight chamber way of annular of magnetic force unit, the centre of a circle angle number scope of the straight chamber way annular cross-section of annular is 200-250.
The further preferable technical scheme is as follows: the magnetic force unit comprises a rotating rod arranged in the annular straight cavity channel, a solenoid arranged at the upper inner side end of the rotating rod and used for magnetically attracting and fixing the rotary charging hopper, and a direct current battery arranged on the outer side face of the main body and used for supplying power to the solenoid, wherein the diameter of the rotating rod is equal to the width of the annular straight cavity channel.
The further preferable technical scheme is as follows: the magnetic force unit further comprises two wires which are respectively arranged in the two exhaust cavity passages and used for connecting the solenoid and the direct current battery, and a connecting pore passage used for the wires to pass through is arranged between the annular straight cavity passage and the two exhaust cavity passages.
The further preferable technical scheme is as follows: the solenoid is wound on a cylindrical core, and the diameter of the cylindrical core is smaller than the width of the annular straight cavity channel.
The further preferable technical scheme is as follows: the magnetic force unit also comprises two wire winding columns which are respectively arranged on the outer side surface of the main body and close to the opening positions of the two exhaust channels and are used for rotationally tightening the wires.
The further preferable technical scheme is as follows: the lower surface of the cover plate is a cambered surface attached to the outer annular surface of the cylindrical main body.
The further preferable technical scheme is as follows: and the drying air inlet pipe is connected with the drying hot gas generator through a pipeline.
According to the utility model, the purpose of effectively drying the copper sulfate wet material is achieved by arranging the attaching block, the rotary charging hopper, the cover plate, the drying air inlet pipe, the exhaust air cavity and the material collecting unit on the bracket. The utility model has the advantages of convenient and quick drying operation, flexible and effective discharging and taking operation, stable and convenient receiving operation and difficult scattering of the copper sulfate product.
Drawings
FIG. 1 is a schematic diagram of the position structure of a receiving unit in the present utility model.
FIG. 2 is a schematic representation of the use of a rotary hopper in accordance with the present utility model.
FIG. 3 is a schematic view of a rotary hopper according to the present utility model.
Fig. 4 is a schematic diagram of a position structure of a magnetic unit in the present utility model.
Fig. 5 is a schematic view of the position structure of the bonding block in the present utility model.
Detailed Description
The following description is of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model.
Examples: as shown in fig. 1, 2, 3, 4 and fig. 5, a copper sulfate drying device with material receiving function, including support 1, still include two laminating pieces 2 that set up respectively on support 1, set up two rotatory loading hopper 3 between the laminating pieces 2, and set up two between the laminating pieces 2 and be used for the closing cap apron 4 of rotatory loading hopper 3, be equipped with on the apron 4 intake pipe 5 for drying, be equipped with on the laminating piece 2 with exhaust channel 6 that rotatory loading hopper 3 is linked together, two still be equipped with on support 1 and be used for receiving the receipts material unit 8 of dry back copper sulfate product, receive material unit 8 including setting up mounting groove 801 on the support 1 medial surface, both ends block sets up receive material frame 802 on the mounting groove 801, set up respectively on the bottom surface in receive material frame 802 both sides position department and be used for blocking copper sulfate product's apron 803, and set up handle 804 on the apron 803, still be equipped with on the apron 2 be used for receiving copper sulfate product carries out on the operation 805 and is equipped with the discharging pipe 803.
In this embodiment, copper sulfate wet material is placed on the rotatory loading hopper 3, dry steam is followed intake pipe 5 is used in the drying gets into, and rotatory loading hopper 3 upper end with apron 4 laminating, both sides with laminating piece 2 laminating for exhaust cavity 6 becomes the unique exhaust position, guarantees that the dry operation of admitting air has convenient effectual advantage.
On the other hand, the receiving unit 8 has the following advantages:
firstly, based on the existing free falling material taking mode, the holding material collecting operation of the material collecting frame 802 is added, so that the copper sulfate product has the advantages of easy collection and difficult scattering;
secondly, the material receiving frame 802 is held and pushed at the handle 804, so that the material receiving frame 802 has the advantage of convenient disassembly and assembly on the mounting groove 801, and the material receiving frame 802 is detached and then is discharged at the discharging pipe 805, so that the copper sulfate product is ensured to have the advantage of convenient collection;
thirdly, the discharging pipe 805 is of an iron material structure covered by a plastic layer, and the pipe cap 806 is of a permanent magnet material structure covered by a plastic layer, so that the pipe cap 806 can be conveniently assembled and disassembled on the discharging pipe 805 to meet the discharging collection requirement of the discharging pipe 805;
fourth, the baffle 803 is used to block the copper sulfate product from falling freely and from falling around.
The laminating piece 2 is provided with a magnetic unit 7 which is used for controlling the rotary hopper 3 to rotate and open and close in a magnetic attraction mode. The rotary hopper 3 comprises a cylindrical main body 301, two rotary shafts 302 which are respectively arranged on two side surfaces of the cylindrical main body 301 and used for being inserted and installed on the attaching block 2, and a feeding groove 303 which is arranged on the cylindrical main body 301, wherein iron blocks 304 which are used for carrying out magnetic attraction with the magnetic unit 7 are respectively arranged at two side positions in the axial direction of the feeding groove 303. The fitting block 2 comprises a main body 201, a plugging groove 202 arranged on the inner side surface of the main body 201, and an annular straight cavity channel 203 arranged in the main body 201 and used for installing and arranging the magnetic force unit 7, wherein the circle center angle of the annular section of the annular straight cavity channel 203 ranges from 200 degrees to 250 degrees.
In this embodiment, the magnetic force unit 7 is fixed in the drying process by magnetic force all the time the rotary hopper 3 is opened and closed smoothly between the two attaching blocks 2, so as to ensure the effectiveness of the discharging and taking operations, on the other hand, the annular straight channel 203 is sufficiently long in circumferential direction, so that the charging tank 303 can be smoothly folded and attached to the cover plate 4, and can be completely inverted, so that the dried copper sulfate can be smoothly fallen without manual stirring, thereby ensuring the convenience of the drying operations.
The magnetic unit 7 includes a rotary rod 701 disposed in the circular straight channel 203, a solenoid 702 disposed at an upper inner end position of the rotary rod 701 for magnetically attracting and fixing the rotary hopper 3, and a dc battery 703 disposed on an outer side surface of the main body 201 for supplying power to the solenoid 702, the rotary rod 701 having a diameter equal to a width of the circular straight channel 203. The magnetic unit 7 further includes two wires 704 respectively disposed in the two exhaust channels 6 and used for connecting the solenoid 702 and the dc battery 703, and a connecting channel 705 for the wires 704 to pass through is disposed between the annular straight channel 203 and the two exhaust channels 6. The solenoid 702 is wound on a cylindrical core 706, the diameter of the cylindrical core 706 being smaller than the width of the annular straight channel 203. The magnetic unit 7 further includes two winding posts 707 provided on the outer side surface of the main body 201 near the opening positions of the two exhaust passages 6, respectively, for rotatably tightening the wires 704.
In this embodiment, the method for using the magnetic unit 7 is as follows:
first, before the rotary hopper 3 is used, the hopper 303 is at a high position, that is, is covered by the cover plate 4 in a fully fitting manner, and the rotary rod 701 is located at the upper end position of the annular straight channel 203;
secondly, when the copper sulfate wet material is placed, the rotating rod 701 is rotated downwards, so that the feeding tank 303 is rotated downwards, and after the copper sulfate wet material is separated from the cover plate 4 and a proper opening is sufficiently opened, the copper sulfate wet material to be dried can be uniformly laid on the feeding tank 303;
thirdly, after the placement, the rotary rod 701 is rotated upwards, so that the feeding groove 303 is completely attached to the cover plate 4 again, and at this time, all four exhaust channels 6 on two sides are in butt joint with the opening of the feeding groove 303, so that the air flow can smoothly bring out moisture from the exhaust channels 6 after the drying is completed;
fourth, after drying, the rotary rod 701 is rotated downward again until the feeding tank 303 is completely downward, and the copper sulfate dried at this time smoothly falls down, thus completing the whole drying operation, and having the advantages of convenience and effectiveness.
In this embodiment, the magnetic unit 7 has the following advantages:
firstly, the solenoids 702 at two sides are in one-to-one correspondence with the direct current batteries 703, two wires 704 extend out of the direct current batteries 703, respectively pass through the two exhaust channels 6 and are connected with two ends of the solenoids 702 on the cylindrical core 706, so that the iron blocks 304 can be attracted by magnetic force smoothly after being electrified, the rotary rod 701 can completely control the rotary charging hopper 3, and the rotary operation is completed;
secondly, the wire 704 is wound on the winding post 707, a torsion spring is arranged between the winding post 707 and the mounting post, and the torsion direction of the torsion spring is to wind the wire 704 on the winding post 707 more, that is, ensure that the wire 704 is in a tight state, so as to avoid the winding and knotting problem caused by overlong wire in the exhaust cavity 6 and the annular straight cavity 203;
thirdly, the diameter of the cylindrical core 706 is smaller than the width of the circular straight channel 203, so that a certain space is reserved in the circular straight channel 203 by the wire 704, and the wire 704 can smoothly stretch and retract in the circular straight channel 203 during the rotation process of the rotating rod 701;
fourth, the magnetic force is always effective to attract the iron block 304 after the solenoid 702 is electrified, so as to ensure the effectiveness of the rotation of the rotating rod 701;
fifth, the wires 704 pass through the connecting hole 705 and are disposed in the exhaust channel 6, so that the structure has the advantage of compactness and effectiveness, while the temperature of the gas exhausted from the exhaust channel 6 is not high, and the protective layer on the outer side of the wires 704 is not melted, thereby further ensuring the effectiveness of the structure.
The lower surface of the cover plate 4 is a cambered surface attached to the outer annular surface of the cylindrical main body 301.
The drying air inlet pipe 5 is connected with a drying hot air generator through a pipeline. In this embodiment, the drying hot air generator has a heating structure and an air supply structure, and may be a hot air blower.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (7)
1. Copper sulfate drying device with receive material function, including support (1), its characterized in that: the copper sulfate discharging device comprises a support (1) and is characterized by further comprising two attaching blocks (2) which are respectively arranged on the support (1), a rotary charging hopper (3) which is arranged between the two attaching blocks (2), and a cover plate (4) which is arranged between the two attaching blocks (2) and is used for sealing the rotary charging hopper (3), wherein a drying air inlet pipe (5) is arranged on the cover plate (4), an air discharging cavity (6) which is communicated with the rotary charging hopper (3) is arranged on the attaching blocks (2), a material collecting unit (8) which is used for receiving dried copper sulfate products is further arranged on the support (1), the material collecting unit (8) comprises a material collecting frame (802) which is arranged on the inner side surface of the support (1), two ends of the material collecting frame (802) are clamped and are respectively arranged at two side positions on the inner bottom surface of the material collecting frame (802) and are used for blocking the copper sulfate products, a lifting handle (804) which is arranged on the baffle (803), and a material discharging pipe (805) is further arranged on the copper sulfate collecting pipe (805);
a magnetic unit (7) which is used for controlling the rotary hopper (3) to rotate and open and close in a magnetic attraction mode is arranged on the attaching block (2);
the rotary feeding hopper (3) comprises a cylindrical main body (301), two rotating shafts (302) which are respectively arranged on two side surfaces of the cylindrical main body (301) and are used for being inserted and installed on the attaching block (2), and a feeding groove (303) which is arranged on the cylindrical main body (301), wherein iron blocks (304) which are used for magnetically attracting the magnetic force units (7) are arranged at two side positions of the feeding groove (303) in the axial direction;
the laminating block (2) comprises a main body (201), a splicing groove (202) arranged on the inner side surface of the main body (201), and an annular straight cavity channel (203) which is arranged in the main body (201) and used for installing and arranging the magnetic unit (7), wherein the number of circle centers of the annular sections of the annular straight cavity channel (203) is 200-250 degrees.
2. The copper sulfate drying device with a material receiving function according to claim 1, wherein: the magnetic force unit (7) comprises a rotary rod (701) arranged in the annular straight cavity channel (203), a solenoid (702) arranged at the position of the upper inner side end of the rotary rod (701) and used for magnetically attracting and fixing the rotary charging hopper (3), and a direct current battery (703) arranged on the outer side surface of the main body (201) and used for supplying power to the solenoid (702), wherein the diameter of the rotary rod (701) is equal to the width of the annular straight cavity channel (203).
3. The copper sulfate drying device with a material receiving function according to claim 2, wherein: the magnetic unit (7) further comprises two wires (704) which are respectively arranged in the two exhaust air channels (6) and used for connecting the solenoid (702) and the direct-current battery (703), and a connecting pore channel (705) used for the wires (704) to pass through is arranged between the annular straight channel (203) and the two exhaust air channels (6).
4. A copper sulfate drying device with a material receiving function according to claim 3, wherein: the solenoid (702) is wound on a cylindrical core (706), the diameter of the cylindrical core (706) being smaller than the width of the annular straight channel (203).
5. A copper sulfate drying device with a material receiving function according to claim 3, wherein: the magnetic unit (7) further comprises two wire collecting posts (707) which are respectively arranged on the outer side face of the main body (201) and close to the opening positions of the two air exhaust channels (6) and are used for rotationally tightening the wires (704).
6. The copper sulfate drying device with a material receiving function according to claim 1, wherein: the lower surface of the cover plate (4) is a cambered surface attached to the outer annular surface of the cylindrical main body (301).
7. The copper sulfate drying device with a material receiving function according to claim 1, wherein: the drying air inlet pipe (5) is connected with the drying hot gas generator through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026569.3A CN107990667B (en) | 2018-01-11 | 2018-01-11 | Copper sulfate drying device with material receiving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026569.3A CN107990667B (en) | 2018-01-11 | 2018-01-11 | Copper sulfate drying device with material receiving function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107990667A CN107990667A (en) | 2018-05-04 |
| CN107990667B true CN107990667B (en) | 2024-02-06 |
Family
ID=62041028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810026569.3A Active CN107990667B (en) | 2018-01-11 | 2018-01-11 | Copper sulfate drying device with material receiving function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107990667B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261872Y (en) * | 1996-07-24 | 1997-09-10 | 许淑虹 | Magnetic force tracting toy |
| CN202869156U (en) * | 2012-10-31 | 2013-04-10 | 河南科技学院 | Microwave drying device |
| CN204819663U (en) * | 2015-08-20 | 2015-12-02 | 侯飞燕 | Bright meat section device |
| CN206300435U (en) * | 2016-12-27 | 2017-07-04 | 重庆市开州区思源洗水有限公司 | A kind of garment material produces dedicated drying machine |
| CN207797582U (en) * | 2018-01-11 | 2018-08-31 | 福建志坤能源科技开发有限公司 | A kind of copper sulphate drying device with rewinding function |
-
2018
- 2018-01-11 CN CN201810026569.3A patent/CN107990667B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261872Y (en) * | 1996-07-24 | 1997-09-10 | 许淑虹 | Magnetic force tracting toy |
| CN202869156U (en) * | 2012-10-31 | 2013-04-10 | 河南科技学院 | Microwave drying device |
| CN204819663U (en) * | 2015-08-20 | 2015-12-02 | 侯飞燕 | Bright meat section device |
| CN206300435U (en) * | 2016-12-27 | 2017-07-04 | 重庆市开州区思源洗水有限公司 | A kind of garment material produces dedicated drying machine |
| CN207797582U (en) * | 2018-01-11 | 2018-08-31 | 福建志坤能源科技开发有限公司 | A kind of copper sulphate drying device with rewinding function |
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| Publication number | Publication date |
|---|---|
| CN107990667A (en) | 2018-05-04 |
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