CN107367139B - Drying device and drying method thereof - Google Patents
Drying device and drying method thereof Download PDFInfo
- Publication number
- CN107367139B CN107367139B CN201710605507.3A CN201710605507A CN107367139B CN 107367139 B CN107367139 B CN 107367139B CN 201710605507 A CN201710605507 A CN 201710605507A CN 107367139 B CN107367139 B CN 107367139B
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- 238000001035 drying Methods 0.000 title claims abstract description 117
- 238000005485 electric heating Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
-
- 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
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a drying device and a drying method thereof. The beneficial effects of the invention are as follows: the heating wire is sleeved outside the heating wire and used as an intermediate medium to heat the outside, the ceramic sleeve can uniformly radiate heat around the heating wire, the materials in the drying oven are uniformly heated, the reflective coating is coated on the upper part of the heat insulation plate and the inside of the electric heating oven, infrared rays radiated to the periphery can be reflected, the heat loss is small, the support rod is provided with a plurality of rotatable pulleys, the drying oven is conveniently pulled out and put in, the device evaporates water and discharges the water through the fan by adopting the infrared irradiation and heating method, and the particle water drops or water mist on the materials to be dried can be removed to the greatest extent.
Description
Technical Field
The invention relates to drying equipment, in particular to a drying device and a drying method thereof, and belongs to the field of drying equipment.
Background
In industrial production, many processed materials have many dust on the surfaces or remain in the processing process, in order to remove foreign matters on the product and improve the yield of the product, water is often needed to rinse the product, and after the cleaning operation, the residual water is needed to be dried, so the cleaning and drying technology of the dried product is one of the key steps affecting the process qualification rate in many production.
In the existing drying equipment, most drying cylinders are often used, the drying method is mainly to evaporate water on the surfaces of some materials by heating, so that the aim of drying is fulfilled, but the drying cylinders are not provided with gaps except for a feed inlet and a discharge outlet, people can hardly judge the drying degree, so that the drying step is finished, the materials are inconvenient to place and take out, the drying cylinders are difficult to dry for some irregular plate-shaped materials, and the materials are difficult to heat by using a heating method of the drying cylinders, so that the materials are even to heat.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a drying apparatus and a drying method thereof.
The invention realizes the above purpose through the following technical scheme: a drying device comprises a heating frame, a ceramic sleeve, an electric heating wire, an insulating plate, supporting legs, a supporting frame, a hack lever, a supporting rod, pulleys, a drying box, a handle, an electric heating box, a switch board, a fan and an infrared lamp tube; the heating frame internal fixation has ceramic sleeve, the inside heating wire that is provided with of ceramic sleeve, heating wire and switch board electricity link together, the switch board is installed in the electric heating box up end, the heating frame bottom is fixed with the heat insulating board, the heat insulating board bottom is fixed with four supporting legs, heating frame upper portion is fixed with the braced frame, be provided with the bracing piece in the braced frame, be provided with the pulley on the bracing piece, be fixed with the hack lever on the braced frame, be fixed with the electric heating box on the hack lever, electric heating box inside is fixed with infrared lamp tube, infrared lamp tube and switch board electricity are connected, the drying box is installed in the space that forms between braced frame upper portion and electric heating box bottom, the outside of drying box is fixed with the handle, be fixed with the fan on the side of electric heating box and hack lever, fan and switch board electricity are connected.
Further, in order to be uniform when heating the material, the heating wire is externally heated by being sleeved on the outer ceramic sleeve thereof as an intermediate medium.
Further, in order to reflect infrared rays radiated to the periphery, the upper part of the insulating plate and the inside of the electric heating box are coated with reflective coatings.
Further, in order to facilitate the pulling-out and entering of the drying box, a plurality of pulleys capable of rotating are arranged on the supporting rod.
Further, in order to facilitate the aggregation of moist air during drying, the height of the drying cabinet is less than the height of the rack bar.
Further, in order to directly discharge the moist air at the upper part of the drying box, the air outlet position of the fan is equal to the height of a gap between the drying box and the electric heating box.
The drying method of the drying device comprises the following steps:
1) Holding a handle to pull the drying box open, then placing the material to be dried in the drying box, and uniformly spreading the material in the drying box if the material is granular or powdery;
2) Holding the handle to place the drying box in a space formed between the upper part of the supporting frame and the bottom of the electric heating box;
3) The corresponding switches for controlling the heating wire, the fan and the infrared lamp tube on the switch board are all closed, and a power supply is connected to the switch board;
4) The switch plate is opened to control the switch of the heating wire and the infrared lamp tube and kept for 1-3 hours, so that the materials placed in the drying box start to heat, and the moisture in the materials or on the surface is volatilized into the air at the upper part of the drying box;
5) Closing a switch for controlling the electric heating wire and the infrared lamp tube on the switch board, and opening a switch for controlling the fan to blow away moist air generated at the upper part of the drying box in the step 4);
6) The switch of the control fan is closed on the switch board, and then the switch of the control infrared lamp tube is opened, so that tiny water particles remained on the surface of the material are evaporated and air at the upper part of the drying box is heated;
7) Under the condition that the infrared lamp works, a switch for controlling the fan is turned on, so that the fan can blow hot air out, and moist air at the upper part of the drying box can be provided, and moisture in the moist air is prevented from condensing and flowing back;
8) And (3) closing the switch of the fan and the infrared lamp tube on the switch board, then opening the drying box and taking out the materials, and finishing the drying of the materials.
Further, in the step 4), the switch plate is turned on to control the electric heating wire and the infrared lamp tube, and the electric heating wire and the infrared lamp tube are kept for 1.5 hours.
The beneficial effects of the invention are as follows: the drying device is compact in connection, simple in use and reasonable in design, the heating wire is sleeved outside the drying device to serve as an intermediate medium to heat the ceramic sleeve, the heating wire is used for heating the ceramic sleeve, heat can be uniformly radiated around the ceramic sleeve, the heat is uniformly radiated when materials inside the drying box are heated, reflective coatings are coated on the upper portion of the heat insulation plate and the inside of the electric heating box, infrared rays radiated to the periphery can be reflected, heat loss is small, the utilization rate is high, electric energy loss is reduced, a plurality of rotatable pulleys are arranged on the supporting rod, pulling out and entering of the drying box are facilitated, the drying box is convenient to place and take out materials, people can check drying effects in real time conveniently, the height of the drying box is smaller than that of a hack lever, a certain space is reserved on the upper portion of the drying box, moist air can be conveniently gathered when the drying box is dried, the air outlet position of the fan is flat with the height of a gap between the drying box and the electric heating box, the moist air on the upper portion of the drying box can be directly discharged, the infrared radiation method is adopted, the drying box is evaporated, and moisture particles on the electric heating wire can be removed through the electric heating wire to the greatest extent.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an infrared lamp tube structure according to the present invention;
FIG. 3 is a schematic view of the overall appearance structure of the present invention;
in the figure: 1. a heating frame, 2, a ceramic sleeve, 3, an electric heating wire, 4, an insulated plate, 5, a supporting leg, 6, a supporting frame, 7, a hack lever, 8 and a supporting rod, 9, pulleys, 10, a drying box, 11, a handle, 12, an electric heating box, 13, a switch board, 14, a fan, 15 and an infrared lamp tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, a drying device comprises a heating frame 1, a ceramic sleeve 2, an electric heating wire 3, an insulation board 4, supporting legs 5, a supporting frame 6, a hack lever 7, a supporting rod 8, a pulley 9, a drying box 10, a handle 11, an electric heating box 12, a switch board 13, a fan 14 and an infrared lamp tube 15; the heating frame 1 internal fixation has ceramic sleeve 2, ceramic sleeve 2 inside is provided with heating wire 3, heating wire 3 and switch board 13 electricity link together, heating frame 1 bottom is fixed with heat insulating board 4, heat insulating board 4 bottom is fixed with four supporting legs 5, heating frame 1 upper portion is fixed with braced frame 6, be provided with bracing piece 8 in braced frame 6, be provided with a plurality of pivoted pulley 9 on the bracing piece 8, be fixed with hack lever 7 on braced frame 6, be fixed with electric heating box 12 on hack lever 7, heat insulating board 4 upper portion and electric heating box 12 inside all scribble reflective coating, electric heating box 12 inside is fixed with infrared lamp 15, infrared lamp 15 and switch board 13 electricity are connected, be provided with switch board 13 on the electric heating box 12 up end, drying box 10 installs in the space that forms between braced frame 6 upper portion and electric heating box 12 bottom, the outside of drying box 10 is fixed with handle 11, be fixed with fan 14 on the side of electric heating box 12 and 7, fan 14 and switch board 13 electricity link together.
As a technical optimization scheme of the invention: the heating wire 3 is sleeved outside the ceramic sleeve 2 as an intermediate medium to heat the outside; the height of the drying box 10 is smaller than that of the hack lever 7; the air outlet position of the fan 14 is equal to the height of the gap between the drying box 10 and the electric heating box 12.
The drying method of the drying device comprises the following eight steps:
1) Holding the handle 11 to pull the drying box 10 open, and then placing the material to be dried inside the drying box 10, wherein if the material is granular or powdery, the material needs to be uniformly spread inside the drying box 10;
2) Holding the handle 11 to place the drying box 10 in a space formed between the upper part of the supporting frame 6 and the bottom of the electric heating box 12;
3) The corresponding switches of the control heating wire 3, the fan 14 and the infrared lamp tube 15 on the switch plate 13 are all closed, and a power supply is connected to the switch plate 13;
4) The switch plate 13 is opened to control the switch of the heating wire 3 and the infrared lamp tube 15 and keep for 1-3 hours, so that the materials placed in the drying oven 10 start to heat, wherein after test verification, the heating effect of the materials placed in the drying oven 10 can be optimized by setting the switch keeping time of the switch plate 13 and the switch keeping time of the switch plate 15 to 1.5 hours; the combined action of the heating wire 3 and the infrared lamp tube 15 can ensure that the moisture contained in the material or on the surface is volatilized to the air at the upper part of the drying box (10);
5) The switch plate 13 is closed to control the switch of the heating wire 3 and the infrared lamp tube 15, and the switch of the control fan 14 is opened to enable the fan 14 to blow away the moist air generated at the upper part of the drying oven 10 in the step 4);
6) The switch of the control fan 14 is closed on the switch plate 13, and then the switch of the control infrared lamp tube 15 is opened, so that tiny water particles remained on the surface of the material are evaporated and air at the upper part of the drying box 10 is heated;
7) Under the condition that the infrared lamp tube 15 works, the switch of the control fan 14 is turned on, so that the fan 14 blows hot air, moist air at the upper part of the drying box 10 is blown away, and moisture in the moist air is prevented from condensing and flowing back;
8) The switch plate 13 is closed to control the switch of the fan 14 and the infrared lamp tube 15, then the drying box 10 is opened and the materials are taken out, and the drying of the materials is completed.
When the drying box is used, firstly, the drying box is pulled open, the material to be dried is placed in the drying box, if the material is granular or powdery, the material is required to be uniformly spread in the drying box, then the drying box is placed in the space at the upper part of the supporting frame and the bottom of the electric heating box, a power supply is supplied to the switch board, the switch of the heating wire and the infrared lamp tube is opened on the switch board and kept for a period of time, the material placed in the drying box begins to heat, moisture contained in the interior or the surface of the material volatilizes into the air at the upper part of the drying box, the switch of the heating wire and the infrared lamp tube is closed on the switch board, the switch of the fan is opened, so that the air at the upper part of the drying box is blown away by the fan, the switch of the fan is closed, the air at the upper part of the drying box is heated by the tiny water particles remained on the surface of the material, the fan is opened under the condition that the infrared lamp tube works, so that the fan can blow out the hot air, the moisture in the upper part of the drying box is prevented from condensing and flowing back, the moisture in the interior of the drying box is prevented, and the material can be taken out after the switch of the infrared lamp tube is opened.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A drying method of a drying apparatus, characterized by: the drying device comprises a heating frame (1), a ceramic sleeve (2), an electric heating wire (3), an insulating plate (4), supporting legs (5), a supporting frame (6), a hack lever (7), a supporting rod (8), a pulley (9), a drying box (10), a handle (11), an electric heating box (12), a switch board (13), a fan (14) and an infrared lamp tube (15); the heating frame (1) is internally fixed with a ceramic sleeve (2), an electric heating wire (3) is arranged in the ceramic sleeve (2), the electric heating wire (3) is electrically connected with a switch plate (13), the switch plate (13) is arranged on the upper end face of the electric heating box (12), an insulating plate (4) is fixed at the bottom of the heating frame (1), four supporting legs (5) are fixed at the bottom of the insulating plate (4), a supporting frame (6) is fixed at the upper part of the heating frame (1), a supporting rod (8) is arranged in the supporting frame (6), a pulley (9) is arranged on the supporting rod (8), a hack lever (7) is fixed on the supporting frame (6), an electric heating box (12) is fixed on the hack lever (7), an infrared lamp tube (15) is electrically connected with the switch plate (13), a drying box (10) is arranged in a space formed between the upper part of the supporting frame (6) and the bottom of the electric heating box (12), and a fan (14) is fixed on the outer side face of the electric heating box (12), and a fan (14) is fixed on the electric heating box (14); the drying method of the drying device comprises the following steps:
1) Holding a handle (11) to pull the drying box (10) open, and then placing the material to be dried inside the drying box (10), wherein if the material is granular or powdery, the material needs to be uniformly paved inside the drying box (10);
2) Holding the handle (11) to place the drying box (10) in a space formed between the upper part of the supporting frame (6) and the bottom of the electric heating box (12);
3) The corresponding switches of the control heating wire (3), the fan (14) and the infrared lamp tube (15) on the switch board (13) are closed, and a power supply is connected to the switch board (13);
4) The switch plate (13) is opened to control the switch of the heating wire (3) and the infrared lamp tube (15) and kept for 1-3 hours, so that the materials placed in the drying box (10) start to heat, and the moisture in or on the materials volatilizes into the air at the upper part of the drying box (10);
5) The switch plate (13) is used for closing the switch of the control heating wire (3) and the infrared lamp tube (15), and the switch of the control fan (14) is opened, so that the fan (14) blows away moist air generated at the upper part of the drying box (10) in the step 4);
6) The switch of the control fan (14) is closed on the switch board (13), and then the switch of the control infrared lamp tube (15) is opened, so that tiny water particles remained on the surface of the material are evaporated and air at the upper part of the drying box (10) is heated;
7) Under the condition that the infrared lamp tube (15) works, a switch of the control fan (14) is turned on, so that hot air is blown out by the fan (14), moist air at the upper part of the drying box (10) is blown away, and moisture in the moist air is prevented from condensing and flowing back;
8) And (3) closing the switch of the control fan (14) and the infrared lamp tube (15) on the switch board (13), then opening the drying box (10) and taking out the materials, and finishing the drying of the materials.
2. A drying method according to claim 1, characterized in that: the heating wire (3) is used as an intermediate medium to heat the outside through the ceramic sleeve (2) sleeved outside.
3. The drying method according to claim 1, characterized in that: the upper part of the heat insulation plate (4) and the inside of the electric heating box (12) are coated with reflective coatings.
4. A drying method according to claim 3, characterized in that: the supporting rod (8) is provided with a plurality of pulleys (9) which can rotate.
5. The drying method according to claim 1, characterized in that: the height of the drying box (10) is smaller than that of the hack lever (7).
6. The drying method according to claim 1, characterized in that: the air outlet position of the fan (14) is equal to the height of a gap between the drying box (10) and the electric heating box (12).
7. A drying method of a drying apparatus according to claim 1, wherein: in the step 4), the switch plate (13) is opened to control the switch of the heating wire (3) and the infrared lamp tube (15) and the temperature is kept for 1.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605507.3A CN107367139B (en) | 2017-07-24 | 2017-07-24 | Drying device and drying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605507.3A CN107367139B (en) | 2017-07-24 | 2017-07-24 | Drying device and drying method thereof |
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| Publication Number | Publication Date |
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| CN107367139A CN107367139A (en) | 2017-11-21 |
| CN107367139B true CN107367139B (en) | 2023-06-16 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012346A (en) * | 2017-12-22 | 2018-05-08 | 中国重型机械研究院股份公司 | A kind of photovoltaic module heating equipment |
| CN108411894A (en) * | 2018-05-14 | 2018-08-17 | 兰州大学 | Soil body drying unit under a kind of Frozen-thawed cycled |
| CN108645131A (en) * | 2018-06-01 | 2018-10-12 | 湖南国盛石墨科技有限公司 | A kind of graphene detection dried coating film device |
| CN112393539A (en) * | 2020-11-12 | 2021-02-23 | 安徽淮仁堂药业股份有限公司 | High-efficient drying device is used in operation is concocted to herbal pieces |
| CN112923673B (en) * | 2021-02-03 | 2023-09-26 | 比智高药业有限公司 | Compact structure's chinese-medicinal material drying device |
| CN115654845A (en) * | 2022-10-31 | 2023-01-31 | 江苏南理范群装备科技有限公司 | Vacuum dryer and working method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946967Y (en) * | 2006-08-07 | 2007-09-12 | 北京京煤化工有限公司 | Material drying box |
| CN201897369U (en) * | 2010-12-08 | 2011-07-13 | 郑州原创电子科技有限公司 | Quartz wafer drying oven |
| CN205536914U (en) * | 2016-01-28 | 2016-08-31 | 青岛市中心血站 | Special drying cabinet of micropore board |
| CN205897725U (en) * | 2016-08-04 | 2017-01-18 | 义乌市丝黛文化创意有限公司 | Wig drying cabinet |
| CN207197106U (en) * | 2017-07-24 | 2018-04-06 | 江苏南理范群装备科技股份有限公司 | A kind of drying device |
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Effective date of registration: 20200311 Address after: 213000, No. 9, No. 1, environmental protection industrial park, Xinbei District, Jiangsu, Changzhou Applicant after: CHANGZHOU FANQUN DRYING EQUIPMENT Co.,Ltd. Address before: 213000 No. 9 environmental protection road, Xinbei District, Jiangsu, Changzhou Applicant before: JIANGSU NANLI FANQUN EQUIPMENT TECHNOLOGY CO.,LTD. |
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| GR01 | Patent grant |