CN105202876A - Material dryer - Google Patents
Material dryer Download PDFInfo
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- CN105202876A CN105202876A CN201510713188.9A CN201510713188A CN105202876A CN 105202876 A CN105202876 A CN 105202876A CN 201510713188 A CN201510713188 A CN 201510713188A CN 105202876 A CN105202876 A CN 105202876A
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- holding tray
- material holding
- homogenizer
- drying machine
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Abstract
The invention discloses a material dryer, comprising a heating device, multiple containing discs and a drive device for driving the containing discs to move along an annular rail; the containing discs are transversely arranged in sequence in parallel along the annular rail; in the moving direction to the containing discs, a charging port, the heating device and a discharging port are formed along the annular rail in sequence. The containing discs automatically enter a heating channel to be heated, automatically come out of the heating channel after heating and do no need to be manually sent to a heating region, so that the whole coal sample dryer is convenient to operate. Meanwhile, since the containing discs are transversely arranged in sequence in parallel along the annular rail instead of being arranged up and down, the discharging port and charging port are convenient to form and sample taking and placing convenience is increased.
Description
Technical field
The present invention relates to materiel machining machinery field, more particularly, relate to a kind of material drying machine.
Background technology
In the preparation process of laboratory coal sample, be crushed to less than 0.2 millimeter from granularity in 3 millimeter for the coal sample needs carrying out analyzing that grade of caloric value, sulphur and ash in sample for test.But because the humidity of coal sample is general higher, if do not carry out desiccant dehumidification and directly carry out fragmentation, the phenomenon occurring sticky coal chute blockage can be caused.Before coal sample is carried out fragmentation, just drying process is carried out to coal sample so general.For avoiding the original feature damaging coal sample, so the baking temperature of coal sample is unsuitable too high, be generally no more than 40 degrees Celsius.But when baking temperature is lower, increasing work efficiency is the problem that those skilled in the art need to pay attention to always.
In prior art, a kind of common coal sample dryer comprises rotating cylinder, multiple material holding tray placed successively up and down.The center of rotating cylinder is provided with hollow stem, and hollow stem is inserted in the centre of material holding tray, and hollow stem is provided with multiple venthole, and hot gas enters from hollow stem and blows to the coal charge tray from venthole.In order to take out coal charge eaily, the vicinity of general each material holding tray can arrange a window, to facilitate taking-up material.But the reason of placing up and down due to material holding tray causes material holding tray better can not place material, and owing to being heated by same heater block, so need the material that takes out on certain material holding tray also cumbersome, and easily cause energy loss.
In sum, how effectively solving coal sample dryer and pick and place coal sample inconvenience and the problem of troublesome poeration, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of material drying machine, this material drying machine effectively can solve coal sample dryer and pick and place coal sample inconvenience and the problem of troublesome poeration.
In order to achieve the above object, the invention provides following technical scheme:
A kind of material drying machine, comprises heater and multiple material holding tray, also comprises the drive unit driving the annularly orbital cycle movement of described material holding tray; Multiple described material holding tray is laterally set up in parallel successively along described circular orbit; Towards the moving direction of described material holding tray, be disposed with charging aperture, described heater and discharging opening along described circular orbit.
Preferably, also comprise and be arranged on discharge outlet and upper end is the tremie pipe of trumpet type, the middle part of described material holding tray is provided with unloads material through hole.
Preferably, also comprise the material-feeding mechanism being arranged on described charging aperture place, described material-feeding mechanism comprise can by rotate on described material holding tray promote material evenly be laid in homogenizer on described material holding tray, for the first driver part of driving described homogenizer to rotate with for driving the relative described material holding tray of described homogenizer to move up and down and described homogenizer can being driven to drop to first Lift Part in the first precalculated position.
Preferably, also comprise the shedding mechanism being arranged on described discharge outlet, described shedding mechanism comprise by rotate on described material holding tray promote material be radially moved into described discharging through hole sweep device, drive described in sweep the second driver part that device rotates and move up and down with for sweeping the relative described material holding tray of device described in driving and sweep the second Lift Part that device drops to the second precalculated position described in can driving.
Preferably, described homogenizer is rake homogenizer, is also included in vertical direction and described homogenizer keeps all relatively-stationary inner shield ring and outer back-up ring; The rake teeth of described homogenizer is between described inner shield ring and described outer back-up ring; When described homogenizer is positioned at described first precalculated position, described inner shield ring and described outer back-up ring all offset with the card of described material holding tray.
Preferably, also comprise for being located at the housing outside described material holding tray and the dehydrating unit for being blown into dry gas to described case inside.
Preferably, the cleaning brush for cleaning residual material on described material holding tray is also comprised; On the moving direction towards described material holding tray, set gradually described discharging opening, described cleaning brush and described charging aperture.
Preferably, described cleaning brush comprises along the hairbrush part that the moving direction of described material holding tray is set up in parallel successively and scrapes plate.
Preferably, described heater is optical wave tube.
Preferably, described circular orbit is racetrack, and described discharging opening, described cleaning brush and described charging aperture are arranged on the same rectilinear orbit of described circular orbit.
A kind of material drying machine provided by the invention, this material drying machine comprises heater, material holding tray and drive unit.Drive unit be wherein mainly used for drive material holding tray annularly orbital cycle move, and should exist multiple material holding tray annularly track set gradually, wherein multiple material holding tray is laterally set up in parallel, and namely any two material holding tray in the vertical directions do not have overlapping part.Towards on the moving direction of material holding tray, annularly track is disposed with charging aperture, heater and discharging opening.Namely material is toppled over by charging aperture to the material holding tray being positioned at charging aperture, be loaded with the material holding tray of material under the driving of driver part, annularly rail moving, enter into the region with heater, drive in the process of material holding tray annularly rail moving at drive unit, heating material on material holding tray is dried by heater, then by drive unit, the material holding tray that contained material has been dried is moved to discharging opening, is taken out by the material that material holding tray has been dried by discharging opening.
According to above-mentioned technical scheme, heat it is appreciated that material holding tray provided by the invention enters into heat tunnel automatically, after having heated again automatic from heat tunnel out, do not need manually material holding tray to be delivered to heating region, make whole coal sample dryer operations convenient.Have employed multiple material holding tray simultaneously, multiple material holding tray is laterally set up in parallel, the operation be conducive to required for material drying is launched on circular orbit, also carry out while achieving discharging, charging and oven dry, when there is large quantities of sample, effectively can reduce the time required for drying materials, and then can increase work efficiency greatly.Simultaneously due to material holding tray annularly track be laterally set up in parallel successively, and be not setting up and down, so discharging opening and charging aperture more conveniently can be arranged, improve the convenience picking and placeing sample.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The plan structure schematic diagram of the material drying machine that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the material-feeding mechanism that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the shedding mechanism that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the cleaning brush that Fig. 4 provides for the embodiment of the present invention.
Mark in accompanying drawing:
Material holding tray 1, circular orbit 2, heater 3, material-feeding mechanism 4, shedding mechanism 5, cleaning brush 6, homogenizer 41, the first driver part 42, second Lift Part 43, inner shield ring 44, outer back-up ring 44, sweep device 51, the second driver part 52, second Lift Part 53, hairbrush part 61, scrapes plate 62.
Detailed description of the invention
The embodiment of the invention discloses a kind of material drying machine, this material drying machine effectively can solve coal sample dryer and pick and place coal sample inconvenience and the problem of troublesome poeration.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 2, the plan structure schematic diagram of the material drying machine that Fig. 1 provides for the embodiment of the present invention; The structural representation of the material-feeding mechanism that Fig. 2 provides for the embodiment of the present invention; The structural representation of the shedding mechanism that Fig. 3 provides for the embodiment of the present invention; The structural representation of the cleaning brush that Fig. 4 provides for the embodiment of the present invention.
In a kind of specific embodiment, present embodiments provide a kind of material drying machine, this material drying machine comprises heater 3, material holding tray 1 and drive unit.Wherein material holding tray 1 is for splendid attire material, and wherein heater 3 mainly makes the material of institute's splendid attire on material holding tray 1 be dried by high temperature, wherein because the kind of material is different, and material is different by the degree of drying, all different to the requirement of heater 3, at this, heater 3 is not specifically limited.
Drive unit is wherein mainly used for driving material holding tray 1 annularly track 2 loopy moving, and should exist multiple material holding tray 1 annularly track 2 set gradually, and preferably make multiple material holding tray 1 evenly arrange successively.In order to enable material fully with extraneous contact and the flowing facilitating hot-air, multiple material holding tray 1 is preferably laterally set up in parallel, like this, hot-air flow to the convenient of another material holding tray 1 from the top of a material holding tray 1 can be easily, and because material holding tray 1 directly over and immediately below all there is no material holding tray 1, so convenient, charging aperture is being set above material holding tray 1, and discharging opening is being arranged on the below of discharge port plate eaily.Meanwhile, on the moving direction towards material holding tray 1, annularly track 2 is disposed with charging aperture, heater 3 and discharging opening.Namely material is toppled over by charging aperture to the material holding tray 1 being positioned at charging aperture, be loaded with the material holding tray 1 of material under the driving of driver part, annularly track 2 moves, enter into the region with heater 3, drive in the process of material holding tray 1 annularly track 2 movement at drive unit, heating material on material holding tray 1 is dried by heater 3, and the material holding tray 1 of then having been dried by contained material by drive unit moves to discharge outlet, is taken out by the material that material holding tray 1 has been dried by discharging opening.
In the present embodiment, material holding tray 1 automatically enters into heat tunnel and heats, and automatically again after having heated from heat tunnel out does not need manually material holding tray 1 to be delivered to heating region, makes whole coal sample dryer operations convenient.Have employed multiple material holding tray 1 laterally to set gradually side by side simultaneously, the operation be conducive to required for material drying is launched on circular orbit 2, carry out while namely achieving discharging, charging and oven dry, when there is large quantities of sample, effectively can reduce the time required for drying materials, and then can increase work efficiency greatly.Simultaneously due to material holding tray 1 annularly track 2 be laterally set up in parallel successively, and be not setting up and down, so discharging opening and charging aperture more conveniently can be arranged, improve the convenience picking and placeing sample.
In order to further, in order to can material loading and discharging fast, the material-feeding mechanism 4 for being laid in by material on material holding tray 1 can being provided with at charging aperture place, carrying out the shedding mechanism 5 of discharging at the discharge outlet material be provided with for will material holding tray 1 have been dried.In order to discharging is convenient, the middle part of material holding tray 1 is preferably made to be provided with discharge channel.Material through hole is unloaded in concrete can being provided with at the middle part of material holding tray 1, for the ease of the flowing of discharging, can arrange in discharge outlet the tremie pipe that upper end is trumpet type, namely when material holding tray 1 moves to discharge position, the material through hole that unloads on material holding tray 1 is positioned at directly over the upper port of tremie pipe.
For the ease of cloth, concrete material-feeding mechanism 4 bag homogenizer 41, first driver part 42 and the first Lift Part 43.Homogenizer 41 is evenly laid on material holding tray 1 by rotating promotion material on material holding tray 1, this concrete homogenizer 41 can be push pedal, also can be rake part, can certainly be other parts, but only need this homogenizer 41 can promote material in the process of movement evenly to tile.Wherein the first driver part 42 is then that this first driver part 42 can be motor or oil-burning machine for driving homogenizer 41 to rotate, and in order to avoid material is contaminated, this first driver part 42 can adopt motor.And the first Lift Part 43 is wherein for driving homogenizer 41 to move up and down and homogenizer 41 can being driven to drop to precalculated position, indicate the first Lift Part 43 herein not only to ensure to drive homogenizer 41 to move up and down, and it is mobile to make homogenizer 41 enter into the first precalculated position also should be able to pass through to drive homogenizer 41 to decline, and also non-driven homogenizer 41 rising moves to the first precalculated position.Wherein the first precalculated position refers to homogenizer 41 when this position, and the material that can promote on material holding tray 1 is laid on material holding tray 1.Wherein the first Lift Part 43 can be telescoping cylinder.Material holding tray 1 be positioned at feeding port need to carry out material loading time, start the first Lift Part 43, make the first Lift Part 43 promote homogenizer 41 and drop to precalculated position, then the first driver part 42 is started, first driver part 42 promotes homogenizer 41 and rotates, the material of the accumulation that homogenizer 41 promotes on material holding tray 1 in the process of rotating moves to lower gradually from eminence, be laid on material holding tray 1 to make material, stop the first driver part 42, the first Lift Part 43 is made to drive homogenizer 41 to rise mobile to depart from the first precalculated position, and then tiling cloth can be carried out to the material of next material holding tray 1.
Consider the homogenizer 41 of tabular, the ability of homocline is low.Homogenizer 41 can be made for rake homogenizer, and this concrete rake homogenizer comprises support bar and is arranged on many rake teeths on support bar, is wherein provided with in support bar and is connected axostylus axostyle with the rotating shaft of driver part for this reason.Use rake homogenizer 41, the material of non-quantitative can not only be made can be layered on uniformly on material holding tray 1, can also make the upper surface undulate of material, corrugated upper surface makes more material be exposed to outside, advantageously in the Drying Rates accelerating material.Also consider that homogenizer 41 is in the process of rotating, promote in the process of material movement, on the edge that material may move to material holding tray 1 or the cloth scope ejected on material holding tray 1 that jumps.Can be provided with for this reason and all keep relatively-stationary inner shield ring 44 and outer back-up ring 45 with homogenizer 41 at vertical direction.Namely, in the process moved up and down at homogenizer 41, outer back-up ring 45 should be driven to move up and down together with inner shield ring 44.Wherein inner shield ring 44 and outer back-up ring 45 leak for stoping material, and namely the rake teeth of homogenizer 41 should between inner shield ring 44 and outer back-up ring 45.In order to ensure that inner shield ring 44 and outer back-up ring 45 can stop that material leaks completely, when homogenizer 41 is positioned at the first precalculated position, outer back-up ring 45 and inner shield ring 44 should be able to all offset with the card of the material holding tray 1 being positioned at feeding port.
For the ease of discharging, this shedding mechanism 5 comprises and sweeps device 51, second driver part 52 and the second Lift Part 53.Sweeping device 51 is that the material promoted on material holding tray 1 by the rotation of self is radially moved inward, and moves into place gradually unload in material through hole in middle part to make material, wherein the radial rotating shaft referring to sweep device 51 radial direction that is axis.Wherein the second driver part 52 is then that this second driver part 52 can make motor or oil-burning machine, and in order to avoid material is contaminated, this second driver part 52 can adopt motor for driving the parts sweeping device 51 and rotate.And the second Lift Part 53 wherein for drive sweep device 51 relatively frame move up and down and can drive and sweep device 51 and drop to the second precalculated position, indicate the second Lift Part 53 herein not only to sweep device 51 move up and down for driving, and device 51 can also be swept by driving and decline and mobile enter into the second precalculated position to make sweeping device 51, and and non-driven sweeps device 51 rises and move to the second precalculated position.Wherein the second precalculated position refers to and sweeps device 51 when this position, and the material that can promote on target material holding tray 1 is radially mobile to carry out discharging.The second Lift Part 53 wherein can be telescoping cylinder, is preferably telescopic cylinder.What flow into material holding tray 1 smoothly in order to the material enabling to be positioned at outside unloads on material through hole, so preferably enable the material being positioned at inner side flow fast, be tabular so can make to sweep device 51 and vertically arrange, and from the inner to outer end, this sweep device 51 in case of bending and radius of curvature diminish gradually.Can be that continuous type diminishes, extend along Archimedes spiral to make sweeping device 51, wherein Archimedes's bare wire be also called constant velocity spiral; Also can be that interrupted type diminishes, the arc that namely this extension line sweeping device 511 is reduced gradually by multiple radius of curvature forms.
Consider after heating material, the moisture of internal batch can form steam, and when the moisture of steam is higher, can be liquefied as the globule again, the globule then can be re-attached on material, and that causes that material cannot be real reaches dry.Can increase frame dehydrating unit and the housing for the outside that covers on material holding tray 1, wherein dehydrating unit is used for being blown into dry gas in housing for this reason, flows out to squeeze rich steam-laden gas in housing.After wherein dehydrating unit generally passes through to suck general gas, by water absorbing agent, drier, steam is made to be liquefied as the modes such as the globule by heat exchanger, steam in removing gas, then by being filled in housing by dried gas, to squeeze rich steam-laden gas.Cause energy-output ratio large in order to avoid gas low temperature gas enters in housing, the gas outlet of housing can be communicated with the air inlet of dehydrating unit, to ensure the temperature of gas.
Consider after material holding tray 1 unsnatches material, material holding tray 1 may have residual material, but when needing dry new varieties material, original residual material can pollute the material existed now.Based on this, can the cleaning brush 6 for cleaning residual material on material holding tray 1 can be set.Consider that material holding tray 1 can should move, and then this cleaning brush 6 can be made to maintain static, just can complete automatic cleaning.Specifically on the moving direction towards material holding tray 1, discharging opening, cleaning brush 6 and charging aperture should be set gradually, after unsnatching material with material holding tray 1, first through cleaning brush 6, and then discharge outlet can be entered into.Wherein cleaning brush 6 can adopt general hairbrush.In order to ensure to clean effect, this cleaning brush 6 is provided with two-layer brush part.This concrete cleaning brush 6 comprises along what be set up in parallel successively before and after on the moving direction of material holding tray 1 scrapes plate 62 and hairbrush part 61, wherein hairbrush part 61 and scrape plate 62 and all should once clean to make can complete alone separately by long enough, even if material holding tray 1 is first through the cleaning of hairbrush part 61, clear away larger residual powder, and then further can ensure that the material by residual on material holding tray 1 is cleaned totally through sweeping of scraper plate 72.Its middle scraper part 62 can be rubber flap part.
The area occupied in order to whole circular orbit 2 is little, and circular orbit 2 can be made in racetrack, and wherein racetrack refers to and is oppositely arranged semi arch by two and is parallel to each other with two and the straightway that two ends are connected two semi arch end points respectively forms.And discharging opening, cleaning brush 6 and charging are arranged on the same rectilinear orbit of this circular orbit 2, with easy-unloading and material loading.Wherein circular orbit 2 can comprise endless drive loop, wherein drives material holding tray 1 annular movement in same level by the annular movement of rotating band.Wherein heater 3, in order to avoid the pollution of material, preferably make heater 3 for optical wave tube, wherein optical wave tube is a kind of parts being undertaken heating by generating electromagnetic waves, concrete structure and mounting means, can not repeat them here with reference to prior art.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a material drying machine, comprises heater (3) and multiple material holding tray (1), it is characterized in that, also comprises the drive unit driving described material holding tray (1) annularly track (2) loopy moving; Multiple described material holding tray (1) is laterally set up in parallel successively along described circular orbit (2); Towards the moving direction of described material holding tray (1), be disposed with charging aperture, described heater (3) and discharging opening along described circular orbit (2).
2. material drying machine according to claim 1, is characterized in that, also comprises being arranged on discharge outlet and upper end is the tremie pipe of trumpet type, and the middle part of described material holding tray (1) is provided with unloads material through hole.
3. material drying machine according to claim 2, it is characterized in that, also comprise the material-feeding mechanism (4) being arranged on described charging aperture place, described material-feeding mechanism (4) comprises can by being evenly laid in the homogenizer (41) on described material holding tray (1) at described material holding tray (1) upper rotation promotion material, the first driver part (42) rotated for driving described homogenizer (41) with for driving the relative described material holding tray (1) of described homogenizer (41) to move up and down and described homogenizer (41) can being driven to drop to first Lift Part (43) in the first precalculated position.
4. material drying machine according to claim 3, it is characterized in that, also comprise the shedding mechanism (5) being arranged on described discharge outlet, described shedding mechanism (5) comprise by described material holding tray (1) upper rotate promote that material is radially moved into described discharging through hole sweep device (51), sweep the second driver part (52) that device (51) rotates described in driving move up and down with for sweeping the relative described material holding tray (1) of device (51) described in driving and sweep the second Lift Part (53) that device (51) drops to the second precalculated position described in can driving.
5. material drying machine according to claim 4, it is characterized in that, described homogenizer (41) is rake homogenizer, is also included in vertical direction and described homogenizer (41) and keeps all relatively-stationary inner shield ring (44) and outer back-up ring (45); The rake teeth of described homogenizer (41) is positioned between described inner shield ring (44) and described outer back-up ring (45); When described homogenizer (41) is positioned at described first precalculated position, described inner shield ring (44) and described outer back-up ring (45) all offset with the card of described material holding tray (1).
6. the material drying machine according to any one of claim 1-5, is characterized in that, also comprises for being located at the housing in described material holding tray (1) outside and the dehydrating unit for being blown into dry gas to described case inside.
7. material drying machine according to claim 6, is characterized in that, also comprises the cleaning brush (6) for cleaning the upper residual material of described material holding tray (1); On the moving direction towards described material holding tray (1), set gradually described discharging opening, described cleaning brush (6) and described charging aperture.
8. material drying machine according to claim 7, it is characterized in that, described cleaning brush (6) comprises along the hairbrush part (61) that the moving direction of described material holding tray (1) is set up in parallel successively and scrapes plate (62).
9. material drying machine according to claim 8, is characterized in that, described heater (3) is optical wave tube.
10. material drying machine according to claim 9, it is characterized in that, described circular orbit (2) is in racetrack, and described discharging opening, described cleaning brush (6) and described charging aperture are arranged on the same rectilinear orbit of described circular orbit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510713188.9A CN105202876B (en) | 2015-10-28 | 2015-10-28 | A kind of material drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510713188.9A CN105202876B (en) | 2015-10-28 | 2015-10-28 | A kind of material drying machine |
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| Publication Number | Publication Date |
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| CN105202876A true CN105202876A (en) | 2015-12-30 |
| CN105202876B CN105202876B (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510713188.9A Active CN105202876B (en) | 2015-10-28 | 2015-10-28 | A kind of material drying machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529387A (en) * | 2019-01-31 | 2019-03-29 | 福州大学 | A kind of rotation multiple-piece scraper plate disk film evaporator and its working method |
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| CN203959257U (en) * | 2014-06-30 | 2014-11-26 | 云南绿冠食品有限公司 | A kind of automatic distributing homogenizing device |
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| JP2004239559A (en) * | 2003-02-07 | 2004-08-26 | Toshiba Mach Co Ltd | Reduced-pressure dryer |
| CN201212872Y (en) * | 2008-06-13 | 2009-03-25 | 长沙开元仪器有限公司 | Device for determining moisture and complete moisture of coal and coke air drying substrate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109529387A (en) * | 2019-01-31 | 2019-03-29 | 福州大学 | A kind of rotation multiple-piece scraper plate disk film evaporator and its working method |
| CN109529387B (en) * | 2019-01-31 | 2023-12-15 | 福州大学 | Rotary multi-piece type scraper disc thin film evaporator and working method thereof |
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| CN105202876B (en) | 2019-03-08 |
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Effective date of registration: 20190516 Address after: No. 1259 Liangtang East Road, Xingsha Industrial Base, Changlong Street, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |