CN111256450A - Ceramsite sand drying device - Google Patents
Ceramsite sand drying device Download PDFInfo
- Publication number
- CN111256450A CN111256450A CN202010048782.1A CN202010048782A CN111256450A CN 111256450 A CN111256450 A CN 111256450A CN 202010048782 A CN202010048782 A CN 202010048782A CN 111256450 A CN111256450 A CN 111256450A
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- China
- Prior art keywords
- roller
- drum
- motor
- ceramsite sand
- fan
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- 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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Classifications
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- 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
- F26B11/0404—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 internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
- F26B11/0413—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 internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried the subdivision consisting of concentric walls, e.g. multi-pass or recirculation systems; the subdivision consisting of spiral-shaped walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- 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
- F26B11/022—Arrangements of drives, bearings, supports
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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
- F26B21/001—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
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/02—Ceramic articles or ceramic semi-finished articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a ceramsite sand drying device which comprises a rack, and a roller and a drying assembly which are arranged on the rack, wherein the rack comprises a bottom plate and two groups of roller supports which are fixedly arranged on the bottom plate, two ends of the roller are rotatably arranged on the roller supports, and the upper part and the lower part of the roller are respectively provided with a feeding door and a discharging door; one end of the drying component is arranged at the axis position in the roller, and the other end of the drying component penetrates through the roller to be fixedly connected with a fan support fixedly arranged on the bottom plate; and the rack is also provided with a power mechanism for driving the roller to rotate. The invention adopts the fan and the air pipe to ensure that the heat inside the roller is uniformly distributed; a second roller with sieve pores is adopted to sieve out ceramsite sand with different particle sizes, so that uneven heating is prevented; the first roller and the second roller rotate reversely to turn over the ceramsite sand, so that drying is accelerated, and materials are prevented from being accumulated and are excessively baked by hot air; adopt two sets of discharge doors and two sets of storage casees, separately export, the categorised collection of being convenient for.
Description
Technical Field
The invention relates to a drying device, in particular to a ceramsite sand drying device.
Background
Because of its advantages of heat insulation, low water absorption, good freezing resistance and durability, the ceramsite sand is often used to replace broken stones and pebbles in concrete, and its raw materials are many and easily available, and is usually made by sintering various raw materials such as various clays, slates, shales, coal gangue, and industrial solid wastes.
After the ceramsite sand is granulated, the granules are generally subjected to a drying process, so that the granules are not easy to break when being calcined at high temperature in a calcining kiln, the existing ceramsite sand drying device cannot turn the ceramsite sand in the process of baking the ceramsite sand, the heating of the ceramsite sand is uneven, and the drying effect is poor.
Disclosure of Invention
The invention aims to provide a ceramsite sand drying device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a ceramsite sand drying device comprises a rack, and a roller and a drying assembly which are arranged on the rack, wherein the rack comprises a bottom plate and two groups of roller supports which are fixedly arranged on the bottom plate, two ends of the roller are rotatably arranged on the roller supports, and the upper part and the lower part of the roller are respectively provided with a feeding door and a discharging door; one end of the drying component is arranged at the axis position in the roller, and the other end of the drying component penetrates through the roller to be fixedly connected with a fan support fixedly arranged on the bottom plate; and the rack is also provided with a power mechanism for driving the roller to rotate.
As a further scheme of the invention: the power mechanism comprises a second motor and a first motor, the second motor and the first motor are fixedly arranged on two groups of motor supports fixedly connected with the bottom plate, the second motor and the first motor are respectively positioned at two ends of the roller, and output shafts of the second motor and the first motor are respectively and fixedly provided with a second belt transmission device and a first belt transmission device.
As a still further scheme of the invention: the roller comprises a first roller and a second roller, two ends of the first roller are rotatably installed on a roller support through bearings, one end of the first roller is fixedly connected with the first belt transmission device, the second roller is rotatably installed inside the first roller through bearings and is coaxial with the first roller, and one end, far away from the first belt transmission device, of the second roller is fixedly connected with the second belt transmission device.
As a still further scheme of the invention: and a plurality of groups of sieve pores are also formed on the second roller.
As a still further scheme of the invention: the feeding doors comprise a first feeding door and a second feeding door, the first feeding door and the second feeding door are respectively arranged at the tops of the first roller and the second roller, the discharging doors comprise a first discharging door and a second discharging door, and the first discharging door and the second discharging door are respectively arranged at the bottoms of the first roller and the second roller.
As a still further scheme of the invention: the drying component comprises a fan and an air pipe, the fan is fixedly installed on the fan support, a heating pipe is further arranged in the output end of the fan, the air pipe is rotatably arranged on the central line inside the second roller through a bearing, and one end, close to the fan, of the air pipe penetrates out of the second roller and is communicated with the heating pipe.
As a still further scheme of the invention: and a plurality of groups of air outlet holes are uniformly formed in the part of the air pipe, which is positioned in the second roller.
As a still further scheme of the invention: still be provided with the storage case on the bottom plate and the storage case is located first ejection of compact door below, the quantity of storage case is two sets of.
Compared with the prior art, the invention has the beneficial effects that:
the air pipe with the air outlet hole is matched with the fan with the heating pipe, so that heat is uniformly diffused into the roller, and the material in the roller is uniformly heated; the second drum with the sieve holes is adopted to rotate to drive the internal materials to turn over, fully mix with heat, accelerate drying, and sieve out the materials with smaller particles to the first drum, so that not only can ceramsite sands with different sizes be screened, but also the ceramsite sands with smaller particles can be kept away from hot air, and uneven heating of large-particle ceramsite sands and small-particle ceramsite sands is prevented; the first motor and the second motor are adopted to respectively drive the first roller and the second roller, the rotation directions of the first roller and the second roller are opposite, and the screened materials are driven to overturn, so that the materials can be fully mixed with heat, and the materials are prevented from being accumulated at the bottom of the first roller and being excessively baked by hot air; the first discharging door and the second discharging door are adopted to be matched with two groups of storage boxes, materials are separately conveyed to different storage boxes, and the sorting, collection and subsequent use are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a ceramsite sand drying device.
Fig. 2 is a schematic front view of the structure of fig. 1.
Fig. 3 is a left side view of the structure of fig. 1.
Fig. 4 is a schematic structural diagram of a second drum in the ceramsite sand drying device.
Description of reference numerals:
1-a fan; 2-a first belt drive; 3-a first drum; 4-a second drum; 5-a first feed gate; 6-a second feed gate; 7-air pipe; 8-a second belt drive; 9-a second motor; 10-a base plate; 11-roller support; 12-sieve mesh; 13-a second discharge door; 14-a first discharge door; 15-air outlet holes; 16-a material storage box; 17-a first electric machine; 18-motor support; 19-fan support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the present invention, a ceramsite sand drying device includes a rack, and a drum and a drying assembly mounted on the rack, where the rack includes a bottom plate 10 and two sets of drum supports 11 fixedly disposed on the bottom plate 10, two ends of the drum are rotatably mounted on the drum supports 11, and the upper and lower portions of the drum are respectively provided with a feeding door and a discharging door for feeding and discharging materials; one end of the drying component is arranged at the axis position in the roller, and the other end of the drying component penetrates through the roller to be fixedly connected with a fan support 19 fixedly arranged on the bottom plate 10; and the rack is also provided with a power mechanism for driving the roller to rotate.
In dropping into the cylinder with the material through the feed door, closing the feed door, start power unit, start the stoving subassembly simultaneously, utilize the stoving subassembly to carry the heat to the cylinder is inside, power unit drives the cylinder and rotates and the rotational speed is lower, makes it can drive the material upset, makes the material fully mix with the heat, realizes fast drying, can guarantee again that the material granule does not scatter.
The power mechanism comprises a second motor 9 and a first motor 17, the second motor 9 and the first motor 17 are fixedly installed on two groups of motor supports 18 fixedly connected with the bottom plate 10, the second motor 9 and the first motor 17 are respectively located at two ends of the roller, and output shafts of the second motor 9 and the first motor 17 are respectively and fixedly provided with a second belt transmission device 8 and a first belt transmission device 2.
The roller comprises a first roller 3 and a second roller 4, two ends of the first roller 3 are rotatably mounted on a roller support 11 through bearings, one end of the first roller is fixedly connected with the first belt transmission device 2, the second roller 4 is rotatably mounted inside the first roller 3 through bearings and is coaxial with the first roller 3, and one end, far away from the first belt transmission device 2, of the second roller 4 is fixedly connected with a second belt transmission device 8; the first motor 17 rotates the first roller 3 via the first belt transmission 2, and the second motor 9 rotates the second roller 4 via the second belt transmission 8 and turns in the opposite direction to the first roller 3.
The second drum 4 is also provided with a plurality of groups of sieve holes 12 for screening materials, the materials smaller than the apertures of the sieve holes 12 are screened into the first drum 3 through the sieve holes 12, and the materials are classified in the drying process, so that the subsequent use is convenient.
The feeding doors comprise a first feeding door 5 and a second feeding door 6, the first feeding door 5 and the second feeding door 6 are respectively arranged at the tops of the first roller 3 and the second roller 4, the discharging doors comprise a first discharging door 14 and a second discharging door 13, and the first discharging door 14 and the second discharging door 13 are respectively arranged at the bottoms of the first roller 3 and the second roller 4; open first feed gate 5 and second feed gate 6, throw the material to second cylinder 4 inside, after the stoving, open first discharge gate 14 and export the material in first cylinder 3, open second discharge gate 13 again and export the material in second cylinder 4, separately export, the categorised collection of being convenient for.
The drying component comprises a fan 1 and an air pipe 7, wherein the fan 1 is fixedly installed on a fan support 19 and a heating pipe is further arranged in an output end of the fan, the air pipe 7 is rotatably arranged on a central line inside the second roller 4 through a bearing, one end, close to the fan 1, of the air pipe 7 penetrates out of the second roller 4 and is communicated with the heating pipe, a plurality of groups of air outlet holes 15 are evenly formed in the part, located in the second roller 4, of the air pipe 7, the fan 1 outputs hot air into the air pipe 7 through the heating pipe, and the air pipe 7 evenly diffuses the hot air into the roller through the air outlet holes 15 and is used for drying materials in the roller.
Example 2
Referring to fig. 1-2, in an embodiment of the present invention, in order to enhance the practicability of the apparatus and facilitate the classified collection of the dried materials, on the basis of embodiment 1, a material storage box 16 is further disposed on the bottom plate 10, the material storage box 16 is located below the first discharging door 14, and the number of the material storage boxes 16 is two; open first discharge door 14, carry a set of storage tank 16 with the material in the first cylinder 3 in, after collecting the material in the first cylinder 3, change another set of storage tank 16, open second discharge door 13, carry the material in the second cylinder 4 in another set of storage tank 16, hold the material in first cylinder 3 and the second cylinder 4 respectively with two sets of storage tanks 16, the categorised collection of being convenient for.
The working principle of the invention is as follows:
when the device works, the first feeding door 5 and the second feeding door 6 are opened, materials are fed into the second roller 4, the second feeding door 6 and the first feeding door 5 are closed, and the materials are prevented from being spilled in the overturning process; starting a fan 1, wherein the fan 1 outputs hot air into an air pipe 7 through a heating pipe, and the air pipe 7 uniformly diffuses the hot air into the roller through an air outlet 15 for drying materials in the roller; starting a second motor 9, wherein the second motor 9 drives the second roller 4 to rotate through a second belt transmission device 8, so that the materials are overturned and uniformly heated, quick drying is realized, and meanwhile, the materials with the aperture smaller than that of the sieve holes 12 are screened out of the first roller 3 through the sieve holes 12; simultaneously, a first motor 17 is started, the first motor 17 drives the first roller 3 to rotate through the first belt transmission device 2, the rotation direction of the first motor is opposite to that of the second roller 4, and the screened materials are driven to turn over, so that the materials are fully mixed with heat, the materials are prevented from being accumulated at the bottom of the first roller 3 and are excessively baked by hot air; after the materials are dried, the fan 1, the second motor 9 and the first motor 17 are turned off, and the first roller 3 and the second roller 4 return to the initial positions; open first discharge door 14, carry a set of storage tank 16 with the material in the first cylinder 3 in, after having collected the material in the first cylinder 3, change another set of storage tank 16, open second discharge door 13, carry the material in the second cylinder 4 in another set of storage tank 16, the categorised material of collecting, close second discharge door 13 and first discharge door 14, prevent that the dust from getting into in first cylinder 3 and the second cylinder 4.
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 attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A ceramsite sand drying device comprises a rack, and a roller and a drying assembly which are arranged on the rack, and is characterized in that the rack comprises a bottom plate (10) and two groups of roller supports (11) which are fixedly arranged on the bottom plate (10), two ends of the roller are rotatably arranged on the roller supports (11), and the upper part and the lower part of the roller are respectively provided with a feeding door and a discharging door; one end of the drying component is arranged at the axis position in the roller, and the other end of the drying component penetrates through the roller to be fixedly connected with a fan support (19) fixedly arranged on the bottom plate (10); and the rack is also provided with a power mechanism for driving the roller to rotate.
2. The ceramsite sand drying device according to claim 1, wherein the power mechanism comprises a second motor (9) and a first motor (17), the second motor (9) and the first motor (17) are fixedly installed on two sets of motor supports (18) fixedly connected with the bottom plate (10), the second motor (9) and the first motor (17) are respectively located at two ends of the roller, and output shafts of the second motor (9) and the first motor (17) are respectively and fixedly provided with a second belt transmission device (8) and a first belt transmission device (2).
3. Ceramsite sand drying device according to claim 2, characterized in that said drum comprises a first drum (3) and a second drum (4), said first drum (3) being rotatably mounted at both ends on a drum support (11) by means of bearings and having one end fixedly connected to said first belt transmission (2), said second drum (4) being rotatably mounted inside said first drum (3) by means of bearings and being coaxial with said first drum (3), said second drum (4) being fixedly connected to said second belt transmission (8) at an end remote from said first belt transmission (2).
4. The ceramsite sand drying device according to claim 3, wherein the second drum (4) is further provided with a plurality of sets of sieve holes (12).
5. Ceramsite sand drying device according to claim 3, characterized in that the feeding gates comprise a first feeding gate (5) and a second feeding gate (6) and that the first feeding gate (5) and the second feeding gate (6) are arranged on top of the first drum (3) and the second drum (4), respectively, the discharge gates comprise a first discharge gate (14) and a second discharge gate (13) and that the first discharge gate (14) and the second discharge gate (13) are arranged at the bottom of the first drum (3) and the second drum (4), respectively.
6. The ceramsite sand drying device according to claim 5, wherein the drying component comprises a fan (1) and an air pipe (7), the fan (1) is fixedly installed on a fan support (19) and a heating pipe is further arranged in an output end of the fan, the air pipe (7) is rotatably arranged on a central line inside the second roller (4) through a bearing, and one end, close to the fan (1), of the air pipe (7) penetrates out of the second roller (4) and is communicated with the heating pipe.
7. Ceramsite sand drying device according to claim 6, wherein the part of the air pipe (7) inside the second drum (4) is also evenly provided with a plurality of groups of air outlet holes (15).
8. The ceramsite sand drying device according to claim 5, wherein the bottom plate (10) is further provided with storage boxes (16) and the storage boxes (16) are located below the first discharging door (14), and the number of the storage boxes (16) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048782.1A CN111256450A (en) | 2020-01-16 | 2020-01-16 | Ceramsite sand drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048782.1A CN111256450A (en) | 2020-01-16 | 2020-01-16 | Ceramsite sand drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111256450A true CN111256450A (en) | 2020-06-09 |
Family
ID=70947452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010048782.1A Pending CN111256450A (en) | 2020-01-16 | 2020-01-16 | Ceramsite sand drying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111256450A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678317A (en) * | 2020-06-23 | 2020-09-18 | 李跃明 | Organic fertilizer drying device and method for agricultural production |
| CN113137841A (en) * | 2021-04-13 | 2021-07-20 | 界首市燎原塑胶有限公司 | Corrosion-resistant modified is drying device for plastic granules |
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| KR100998628B1 (en) * | 2010-02-24 | 2010-12-10 | 주식회사 더블유아이 | The sealing equipment for drying system |
| CN206787218U (en) * | 2017-05-17 | 2017-12-22 | 潢川县鹏升畜产品有限公司 | Drum-type salt solution slag drains machine |
| CN207163133U (en) * | 2017-08-14 | 2018-03-30 | 江苏谷阳农业机械有限公司 | A kind of double-layer roller type grain dryer |
| CN109237920A (en) * | 2018-08-28 | 2019-01-18 | 张兴业 | A kind of energy-saving heat preserving formula grain drying device |
| CN209334145U (en) * | 2018-11-13 | 2019-09-03 | 江苏五友棉业有限公司 | Drying cotton removal of impurities all-in-one machine |
-
2020
- 2020-01-16 CN CN202010048782.1A patent/CN111256450A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100998628B1 (en) * | 2010-02-24 | 2010-12-10 | 주식회사 더블유아이 | The sealing equipment for drying system |
| CN206787218U (en) * | 2017-05-17 | 2017-12-22 | 潢川县鹏升畜产品有限公司 | Drum-type salt solution slag drains machine |
| CN207163133U (en) * | 2017-08-14 | 2018-03-30 | 江苏谷阳农业机械有限公司 | A kind of double-layer roller type grain dryer |
| CN109237920A (en) * | 2018-08-28 | 2019-01-18 | 张兴业 | A kind of energy-saving heat preserving formula grain drying device |
| CN209334145U (en) * | 2018-11-13 | 2019-09-03 | 江苏五友棉业有限公司 | Drying cotton removal of impurities all-in-one machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678317A (en) * | 2020-06-23 | 2020-09-18 | 李跃明 | Organic fertilizer drying device and method for agricultural production |
| CN113137841A (en) * | 2021-04-13 | 2021-07-20 | 界首市燎原塑胶有限公司 | Corrosion-resistant modified is drying device for plastic granules |
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Application publication date: 20200609 |