CN111735291A - Raw materials drying device is used in production of efficient fire prevention heated board - Google Patents
Raw materials drying device is used in production of efficient fire prevention heated board Download PDFInfo
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- CN111735291A CN111735291A CN202010483181.3A CN202010483181A CN111735291A CN 111735291 A CN111735291 A CN 111735291A CN 202010483181 A CN202010483181 A CN 202010483181A CN 111735291 A CN111735291 A CN 111735291A
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- fixedly connected
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- raw material
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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
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
- F26B11/20—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles with stirring devices which are held stationary
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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
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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
- F26B21/003—Supply-air or gas filters
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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
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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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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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
- F26B25/04—Agitating, stirring, or scraping devices
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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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Abstract
The invention relates to the technical field of drying of raw materials for producing fireproof insulation boards, and discloses an efficient raw material drying device for producing fireproof insulation boards. The invention solves the problems that the existing drying equipment has poor drying effect and insufficient drying uniformity, so that the water content of partial raw materials is higher, and the quality of the formed fireproof insulation board is seriously influenced.
Description
Technical Field
The invention relates to the technical field of drying of raw materials for producing fireproof insulation boards, in particular to a high-efficiency drying device for the raw materials for producing the fireproof insulation boards.
Background
Along with the development of modern society, more and more large-span buildings are constructed, and these large-span buildings are because the inner space span is big, and inner space structure is comparatively complicated, once take place the condition of a fire and will rapid spread the worsening, because inner space structure is complicated simultaneously, just bring huge trouble for the search and rescue work of putting out a fire, so people pay more and more attention to large-span building fire behavior.
The fireproof heat-insulation board is a material for improving the fireproof performance of a building, is made of an inorganic foaming heat-insulation material, has excellent fireproof performance and flame retardance, can effectively prevent the spread of fire, has the service life theoretically equal to that of the building, and is low in maintenance cost, so that the fireproof heat-insulation board is widely applied to the field of buildings.
Fireproof insulation board is in the production process, and its raw materials need dry the processing to the raw materials through foaming and after mixing with other inorganic fireproof material stirring, and current drying equipment exists that the stoving effect is not good, dries evenly not enough to lead to partial raw materials water content higher, thereby seriously influence the quality of the fireproof insulation board after the shaping.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a raw material drying device for producing an efficient fireproof heat-insulation plate, and solves the problems that the existing drying equipment is poor in drying effect and uniform in drying, so that the water content of partial raw materials is high, and the quality of the formed fireproof heat-insulation plate is seriously influenced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a raw material drying device for producing an efficient fireproof heat-insulation plate comprises a working box, wherein two groups of first hydraulic cylinders are symmetrically and fixedly sleeved at the top of the working box, the number of the first hydraulic cylinders in each group is two, the output ends of the two groups of the first hydraulic cylinders penetrate through the top of the working box and are fixedly connected with the same fixing frame, the left side surface and the right side surface of the fixing frame are respectively connected with the left inner wall and the right inner wall of the working box in a sliding way through a sliding block and a sliding groove, the front and back inner walls of the fixed frame are symmetrically and rotatably connected with two rotating shafts, a rotating plate is fixedly connected between the ends close to the two rotating shafts, the rear end of the rotating shaft positioned at the rear side penetrates through the inner wall of the rear side of the fixed frame and is fixedly sleeved with a first gear, the back surface of the fixed frame is fixedly connected with a first air cylinder through a fixed sleeve, the output end of the first air cylinder is fixedly connected with a first rack, and the first rack is meshed with a first gear;
the top of the rotating plate is provided with an opening, two sleeve plates are symmetrically and rotatably connected between the front inner wall and the rear inner wall of the opening through connecting shafts, two groups of second hydraulic cylinders are symmetrically fixedly sleeved at the tops of the two sleeve plates in a sleeved mode, the number of the second hydraulic cylinders in each group is two, the output ends of the two groups of second hydraulic cylinders respectively penetrate through the tops of the two sleeve plates and are symmetrically hinged with two buckets, and the tops of the two buckets are hinged with the bottom of the rotating plate;
the left side surface and the right side surface of the working box are symmetrically and fixedly connected with two groups of hot air pipes, the number of each group of hot air pipes is two, one end of each hot air pipe, close to the working box, penetrates through the side wall of the working box and is communicated with a hot air cover, two rotating rods are symmetrically and rotatably connected between the front inner wall and the rear inner wall of the working box, two rotating frames are symmetrically and fixedly sleeved on the outer circular surfaces of the two rotating rods, a leakage net is fixedly connected between the inner side surfaces of the rotating frames, the rear ends of the two rotating rods both penetrate through the inner wall of the rear side of the working box and are fixedly sleeved with a second gear, the back surface of the working box is symmetrically and fixedly connected with two second air cylinders through the fixed sleeve, the output end of each second air cylinder is fixedly connected with a second;
the front and back inner wall symmetry of work box is rotated and is connected with two fixed axles, two fixedly connected with charging box between the one end that the fixed axle is close to, the bottom fixedly connected with hot plate of charging box is located the rear side the rear end of fixed axle runs through the rear side inner wall of work box and fixed cover has connect the third gear, the back of work box is through fixed cover fixedly connected with third cylinder, the output fixedly connected with third rack of third cylinder, and the third rack meshes with the third gear mutually.
Preferably, the air outlet end of the hot air cover is fixedly connected with a filter screen, and the aperture of the filter screen is smaller than the particle size of the raw material.
Preferably, the side surfaces of the two rotating frames, which are close to each other, are symmetrical inclined surfaces.
Preferably, the sum of the areas of the two said screens is less than the area of the top of the charging box.
Preferably, the distance between the axle centers of the two rotating rods and the top end of the left side surface and the right side surface of the charging box is greater than the length of the rotating frame.
Preferably, the pore diameter of the leakage net is smaller than the particle size of the raw material.
Preferably, the front surface of the working box is provided with a box door.
Preferably, the front surface of the charging box is hinged with a door panel.
(III) advantageous effects
Compared with the prior art, the invention provides an efficient raw material drying device for producing a fireproof heat-insulation plate, which has the following beneficial effects:
1. according to the invention, the charging box is driven by the third cylinder, the third rack and the fixed shaft to circularly and reciprocally swing clockwise or anticlockwise, so that raw materials continuously roll in the charging box, the contact area and the contact time of the raw materials and the charging box are increased, and the charging box is heated by matching with the heating plate, so that the raw material drying efficiency is improved, and the drying uniformity is improved.
2. According to the invention, the second cylinder, the second rack and the rotating rod are arranged to drive the two rotating frames to rotate downwards, so that enough space can be reserved for the vertical movement of the bucket, the bucket can conveniently dig out raw materials from the charging box, meanwhile, the rotating frames are matched with the leakage net, and a certain retention buffer effect can be formed on the raw materials, so that the raw materials are distributed at the bucket, the leakage net and the charging box, the raw materials are more dispersed, the contact area between the raw materials and hot air in the oven and the inner wall of the charging box is increased, and the drying processing efficiency is greatly improved.
3. According to the invention, the bucket is pushed to move downwards to enter the charging box through the arranged first hydraulic cylinder and the fixed frame, then the bucket rotates towards the approaching direction through the second hydraulic cylinder, so that part of raw materials in the charging frame are dug out by the bucket, then the bucket moves to the highest point under the driving of the first hydraulic cylinder, and then the second hydraulic cylinder slightly extends, so that a gap is formed between the two buckets, the raw materials uniformly and slowly flow out from the gap, and each raw material particle can be fully contacted with hot air by matching with the hot air blown out by the hot air pipe and the blowing cover, so that the drying moisture is accelerated, the drying uniformity is increased, and the drying quality is ensured.
4. According to the invention, the charging box is driven to circularly swing clockwise or anticlockwise through the third air cylinder, the third rack and the fixed shaft, and the two second air cylinders alternately run to drive the two rotating frames to alternately rotate downwards, so that the rotating frame on the right side rotates downwards when the charging box rotates clockwise, and the rotating frame on the left side rotates downwards when the charging box rotates anticlockwise, so that the rotating frames can pour raw materials into the empty bottom wall of the charging box, the raw materials can be in full contact with the bottom wall of the charging box, and the drying efficiency and quality are further improved.
5. According to the invention, the rotary frame and the charging box are arranged to swing in a matched manner, so that raw materials can be poured onto the bottom wall of the emptied charging box by the rotary frame, the change of the position of the raw materials in the charging box is realized, and then the rotary frame is matched with the excavator bucket, so that all the raw materials in the charging box can be alternately and alternately dug to the upper side and slowly sprinkled down, all the raw materials can be fully contacted with hot air, the drying uniformity is further improved to the greatest extent, and the drying processing quality is ensured.
Drawings
FIG. 1 is a front sectional view of a raw material drying device for producing an efficient fireproof heat-insulation board of the invention;
FIG. 2 is a front view of the raw material drying device for producing the high-efficiency fireproof heat-insulation board of the invention;
FIG. 3 is a top cross-sectional view of the raw material drying device for producing an efficient fireproof heat-insulation board of the present invention;
FIG. 4 is a rear view of the raw material drying device for producing the high-efficiency fireproof heat-insulation board of the invention;
FIG. 5 is a rear sectional view of the raw material drying device for producing the efficient fireproof heat-insulation board of the invention;
FIG. 6 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
fig. 7 is an enlarged view of the invention at B in fig. 5.
In the figure: 1 working box, 2 first hydraulic cylinder, 3 fixed frame, 4 rotating shaft, 5 rotating plate, 6 first gear, 7 first cylinder, 8 first rack, 9 sleeve plate, 10 second hydraulic cylinder, 11 bucket, 12 hot air pipe, 13 hot air cover, 14 rotating rod, 15 rotating frame, 16 leakage net, 17 second gear, 18 second cylinder, 19 second rack, 20 fixed shaft, 21 charging box, 22 heating plate, 23 third gear, 24 third cylinder, 25 third rack.
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.
As shown in fig. 1 to 7, the present invention provides a technical solution: a raw material drying device for producing an efficient fireproof heat-insulation board comprises a working box 1, wherein the front side of the working box 1 is provided with a box door, which is convenient for workers to load and unload materials, the top of the working box 1 is symmetrically and fixedly sleeved with two groups of first hydraulic cylinders 2, the number of each group of first hydraulic cylinders 2 is two, the output ends of the two groups of first hydraulic cylinders 2 penetrate through the top of the working box 1 and are fixedly connected with a same fixed frame 3, the left side and the right side of the fixed frame 3 are respectively in sliding connection with the left inner wall and the right inner wall of the working box 1 through a sliding block and a sliding groove, the front inner wall and the rear inner wall of the fixed frame 3 are symmetrically and rotatably connected with two rotating shafts 4, a rotating plate 5 is fixedly connected between the close ends of the two rotating shafts 4, the rear end of the rotating shaft 4 positioned at the, the output end of the first air cylinder 7 is fixedly connected with a first rack 8, and the first rack 8 is meshed with the first gear 6;
the top of the rotating plate 5 is provided with an opening, two sleeve plates 9 are symmetrically and rotatably connected between the front inner wall and the rear inner wall of the opening through connecting shafts, two groups of second hydraulic cylinders 10 are symmetrically fixedly sleeved on the tops of the two sleeve plates 9, the number of each group of second hydraulic cylinders 10 is two, the output ends of the two groups of second hydraulic cylinders 10 respectively penetrate through the tops of the two sleeve plates 9 and are symmetrically hinged with two buckets 11, and the tops of the two buckets 11 are hinged with the bottom of the rotating plate 5;
the left side and the right side of the working box 1 are symmetrically and fixedly connected with two groups of hot air pipes 12, the number of each group of hot air pipes 12 is two, one end of each hot air pipe 12, which is close to the working box 1, penetrates through the side wall of the working box 1 and is communicated with a hot air cover 13, the air outlet end of each hot air cover 13 is fixedly connected with a filter screen, the aperture of each filter screen is smaller than the particle size of a raw material, the raw material is prevented from entering the hot air pipe 12 through the hot air cover 13, two rotating rods 14 are symmetrically and rotatably connected between the front inner wall and the rear inner wall of the working box 1, the distance between the axle centers of the two rotating rods 14 and the top ends of the left side and the right side of the charging box 21 is larger than the length of each rotating frame 15, so that the charging box 21 cannot obstruct the rotation of the rotating frames 15, sufficient space can be reserved for the up-down movement of the digging, the two rotating frames 15 can smoothly rotate downwards, the leakage net 16 is fixedly connected between the inner side surfaces of the rotating frames 15, the sum of the areas of the two leakage nets 16 is smaller than the area of the top of the charging box 21, so that raw materials can be smoothly poured into the charging box 21 and cannot be scattered onto the inner bottom wall of the working box 1, the aperture of the leakage net 16 is smaller than the particle size of the raw materials, so that the leakage net 16 can buffer and retain the raw materials, the rear ends of the two rotating rods 14 penetrate through the inner wall of the rear side of the working box 1 and are fixedly sleeved with the second gear 17, the back surface of the working box 1 is symmetrically and fixedly connected with two second air cylinders 18 through a fixed sleeve, the output ends of the second air cylinders 18 are fixedly connected with second racks 19, and the two second racks 19 are respectively meshed with the two second gears 17;
the front and back inner wall symmetry of work box 1 is rotated and is connected with two fixed axles 20, fixedly connected with charging box 21 between the one end that two fixed axles 20 are close to mutually, the front of charging box 21 articulates there is the door plant, the staff of being convenient for goes up the unloading, the bottom fixedly connected with hot plate 22 of charging box 21, the rear end that lies in the fixed axle 20 of rear side runs through the rear side inner wall of work box 1 and the fixed cover has been connect with third gear 23, the back of work box 1 is through fixed cover fixedly connected with third cylinder 24, the output fixedly connected with third rack 25 of third cylinder 24, and third rack 25 meshes with third gear 23 mutually.
The working principle is as follows: during operation, the staff opens the door on the front side of the work box 1, then pours the raw material to be dried into the charging box 21, then closes the door, then energizes the heating plate 22 for heating, and simultaneously blows hot air into the work box 1 through the hot air pipe 12 and the hot air cover 13, so that the temperature inside the work box 1 rises.
The first hydraulic cylinder 2 is started to push the fixed frame 3 to slide downwards, the fixed frame 3 drives the bucket 11 to move downwards, meanwhile, the second cylinder 18 is started to push the second rack 19 to move downwards, the second rack 19 drives the rotating rod 14 to rotate through the second gear 17, and therefore the two rotating frames 15 rotate downwards simultaneously to reserve a space for downward movement of the bucket 11.
Then the bucket 11 moves downwards to be inserted into the charging box 21, then the second hydraulic cylinder 10 is started to contract and is matched with the sleeve plate 9 to drive the two buckets 11 to move towards the approaching direction until the two buckets are closed, so that part of raw materials in the charging box 21 are dug out, then the first hydraulic cylinder 2 is started to drive the bucket 11 to move upwards to the highest point in a return stroke, and then the second hydraulic cylinder 18 drives the two rotating frames 15 to rotate to the horizontal position in a return stroke.
Then the second hydraulic cylinder 10 is slightly extended, so that a gap is opened between the two digging buckets 11, so that the raw material is slowly and uniformly left from the gap, the raw material can be fully contacted with the hot air blown by the blowing cover 13, and the raw material finally falls to the top of the screen 16, and the digging buckets 11 dig up and scatter the raw material downwards repeatedly.
Simultaneously starting the two second air cylinders 18 to drive the second rack 19 to move alternately, so that the two rotating frames 15 rotate downwards alternately, the third air cylinder 24 drives the charging box 21 to rotate clockwise or anticlockwise alternately through the third rack 25 and the fixed shaft 20, so that the raw materials roll in the charging box 21 continuously, the raw materials are fully dried, when the charging box 21 rotates clockwise, the rotating frame 15 on the right side rotates downwards, and when the charging box 21 rotates anticlockwise, the rotating frame 15 on the left side rotates downwards, so that the rotating frame 15 can pour the raw materials into the bottom wall of the emptied charging box 21, so that the raw materials can be fully contacted with the bottom wall of the charging box 21, the position of the raw materials in the charging box 21 is changed, and the excavator bucket 11 is matched to alternately dig all the raw materials in the charging box 21 to the upper part and slowly fall down, therefore, all raw materials can be fully contacted with hot air, and the drying quality and effect are improved.
After drying, the door of the working box 1 and the door plate on the front side of the charging box 21 are opened, and then the dried raw materials are taken out, so that drying processing is completed.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a raw materials drying device is used in production of efficient fire prevention heated board, includes work box (1), its characterized in that: the top symmetry of work box (1) is fixed to have cup jointed two sets of first pneumatic cylinders (2), every group the quantity of first pneumatic cylinder (2) is two, two sets of the output of first pneumatic cylinder (2) runs through the top of work box (1) and fixedly connected with same fixed frame (3), the side is through slider and spout respectively with the work box (1) about inner wall sliding connection about fixed frame (3), the inner wall symmetry rotation is connected with two pivot (4) around fixed frame (3), two fixedly connected with rotor plate (5) between the one end that pivot (4) are close to mutually, be located the rear side the rear end of pivot (4) runs through the rear side inner wall of fixed frame (3) and the fixed cover has been cup jointed first gear (6), the back of fixed frame (3) is through fixed cover fixedly connected with first cylinder (7), the output end of the first air cylinder (7) is fixedly connected with a first rack (8), and the first rack (8) is meshed with the first gear (6);
the top of the rotating plate (5) is provided with an opening, two sleeve plates (9) are symmetrically and rotatably connected between the front inner wall and the rear inner wall of the opening through connecting shafts, two groups of second hydraulic cylinders (10) are symmetrically and fixedly sleeved on the tops of the two sleeve plates (9), the number of the second hydraulic cylinders (10) in each group is two, the output ends of the two groups of second hydraulic cylinders (10) respectively penetrate through the tops of the two sleeve plates (9) and are symmetrically hinged with two buckets (11), and the tops of the two buckets (11) are hinged with the bottom of the rotating plate (5);
the left side and the right side of the working box (1) are symmetrically and fixedly connected with two groups of hot air pipes (12), each group of hot air pipes (12) is two, one end of each hot air pipe (12) close to the working box (1) penetrates through the side wall of the working box (1) and is communicated with a hot air cover (13), two rotating rods (14) are symmetrically and rotatably connected between the front inner wall and the rear inner wall of the working box (1), two rotating frames (15) are symmetrically and fixedly sleeved on the outer circular surface of each rotating rod (14), a leakage net (16) is fixedly connected between the inner side surfaces of the rotating frames (15), the rear ends of the two rotating rods (14) penetrate through the inner wall of the rear side of the working box (1) and are fixedly sleeved with second gears (17), the back of the working box (1) is symmetrically and fixedly connected with two second air cylinders (18) through fixed sleeves, and the output end of each second air cylinder (18) is fixedly connected with a, and the two second racks (19) are respectively meshed with the two second gears (17);
the front and back inner wall symmetry of work box (1) is rotated and is connected with two fixed axles (20), two fixedly connected with charging box (21) between the one end that fixed axle (20) is close to mutually, bottom fixedly connected with hot plate (22) of charging box (21), be located the rear side the rear end of fixed axle (20) runs through the rear side inner wall of work box (1) and fixed cover has connect third gear (23), the back of work box (1) is through fixed cover fixedly connected with third cylinder (24), the output fixedly connected with third rack (25) of third cylinder (24), and third rack (25) mesh with third gear (23).
2. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the air outlet end of the hot air cover (13) is fixedly connected with a filter screen, and the aperture of the filter screen is smaller than the particle size of the raw materials.
3. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the side surfaces of the two rotating frames (15) close to each other are symmetrical inclined surfaces.
4. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the sum of the areas of the two leakage nets (16) is smaller than the area of the top of the charging box (21).
5. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the distance between the axle centers of the two rotating rods (14) and the top ends of the left side surface and the right side surface of the charging box (21) is larger than the length of the rotating frame (15).
6. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the aperture of the leakage net (16) is smaller than the grain diameter of the raw material.
7. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the front surface of the working box (1) is provided with a box door.
8. The efficient raw material drying device for producing the fireproof heat-insulation boards is characterized in that: the front surface of the charging box (21) is hinged with a door panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010483181.3A CN111735291A (en) | 2020-06-01 | 2020-06-01 | Raw materials drying device is used in production of efficient fire prevention heated board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010483181.3A CN111735291A (en) | 2020-06-01 | 2020-06-01 | Raw materials drying device is used in production of efficient fire prevention heated board |
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| Publication Number | Publication Date |
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| CN111735291A true CN111735291A (en) | 2020-10-02 |
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| CN202010483181.3A Withdrawn CN111735291A (en) | 2020-06-01 | 2020-06-01 | Raw materials drying device is used in production of efficient fire prevention heated board |
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- 2020-06-01 CN CN202010483181.3A patent/CN111735291A/en not_active Withdrawn
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Application publication date: 20201002 |
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