CN2418445Y - Energy-saving type panel-turning-over air-flow drying machine - Google Patents
Energy-saving type panel-turning-over air-flow drying machine Download PDFInfo
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- CN2418445Y CN2418445Y CN 00205627 CN00205627U CN2418445Y CN 2418445 Y CN2418445 Y CN 2418445Y CN 00205627 CN00205627 CN 00205627 CN 00205627 U CN00205627 U CN 00205627U CN 2418445 Y CN2418445 Y CN 2418445Y
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Abstract
The utility model relates to an energy-saving type panel-turning-over air-flow drying machine, which comprises a main machine body, a charging and discharging mechanisms thereof, a cold and hot air apparatus, an air exhausting and dust removing device, wherein, the main machine body is composed of a closed trough 20, a scraper chain transmission mechanism, an air chamber, and a cleaning part; the scraper chain transmission mechanism is positioned in the closed trough 20; the air chamber is positioned at the lower part. The utility model is characterized in that rotation panel-turning-over mechanisms are uniformly arranged in the main machine body, and each other parts are simultaneously improved, wherein, the rotation panel-turning-over mechanisms can be single panel structure and multiple panel structure. The utility model has the advantages of simple structure, convenient operation, high efficiency, high speed of drying, no paste, multiple functions of the utility model, energy saving, etc.
Description
The utility model belongs to oven dry or drying equipment technical field.
At present, fluid bed dryer and plate dryer are mainly adopted in the oven dry of grain and oil plant.Fluid bed dryer is exactly grain to be in carry out dry plant equipment under the fluidized state.Its thermal efficiency of existing dryer is low, and energy waste is serious, burns motor easily, and investment is high, yields poorly, and service life is short, and the accident rate height is not easy to operate, contaminated environment etc.Plate dryer is made up of flight chain and multilayer steel plates interlayer and casing, logical steam in the interlayer of steel plate wherein, material falls into the upper surface of interlayer of steel plate by charging aperture, by the scraper chain band to travel forward, flight chain by sprocket wheel by Motor Drive, material is dried in the heating of the surface of interlayer of steel plate, is discharged by discharging opening then, and this drying machine heat transfer efficiency is low, the material heating is inhomogeneous, fines content is big, and the burnt easily paste of material, influences drying effect.Above in addition two kinds of drying machines can only be dried and can not be cooled off simultaneously, therefore influence its result of use.
The purpose of this utility model is: improve at the problem that prior art exists, design provides a kind of simple in structure, makes easily, easy to operate, output is big, thermal efficiency height, rate of drying is fast, effective, thickener not, temperature can be regulated automatically with the moisture content size of material, and a tractor serves several purposes, can realize that drying, cooling, conveying one machine finish, simplify technology, save the energy-saving board-turning type air flow drier of the energy.
The utility model is achieved by following manner: a kind of energy-saving board-turning type air flow drier, comprise main body and advance, discharging mechanism, cold, hot air apparatus and exhausting-dusting device, wherein, main body is by hopper 20 and interior flight chain transmission mechanism thereof, and hopper 20 bottom air compartment parts and cleaning part composition, hopper 20 left upper ends and bottom righthand side are respectively into, discharging opening 3 and 19, the top of hopper 20 and sidewall and bottom are respectively exhausting-dusting device and observation window 5 and have the distribution orifice 31 of fresh air inlet 32, the flight chain transmission mechanism by the sprocket wheel 29 before and after in the hopper 20 and 26 and on chain 27 and strainer 4 and reducing motor (fixed or speed-regulating type all can) form, it is characterized in that: uniform rotation (or claiming the angle rotation) panel turnover mechanism that stirs along the material traffic direction that is provided with in main body, it is by turnover panel 28, drive sprocket 6 and chain 7, turnover panel main shaft 33 is formed, wherein, turnover panel 28 is arranged in the hopper 20 of main body, drive sprocket 6 is symmetricly set on the two ends of rotating plate shaft 33, form several turnover panel groups, every group drive sprocket 6 is replaced connection and is passed through drive sprocket 6 by chain 7, chain 7, turnover panel main shaft 33 is through reducing motor deceleration rear drive, drive several turnover panels 28 and rotate synchronously, as shown in Figure 2.
The turnover panel 28 of said rotation panel turnover mechanism can be single plate structure (shown in Figure 21,22), also can be many plate structures (as Figure 23,24 and Figure 25,26 two plates or many plate structures).Its quantity is decided according to the dryer size, is made up of several.
Sprocket wheel 29 and 26, flight chain 27 and tensioning apparatus 4 and reducing motor (fixed or speed-regulating type) before and after said flight chain transmission mechanism comprises, wherein flight chain 27 is wrapped on two sprocket wheels 29,26, by motor-driven, chain 27 (form) is strand or multichained construction, and its time chain mode is chain last time, it also can be chain next time, shown in Fig. 3,4, wherein, Fig. 4 is a single-stranded structure, Fig. 3 is a duplex structure, can certainly be double-stranded above structure.
The hopper 20 of said main body part, its and arranged on left and right sides is inwardly protruded structure, because of the hopper of projection chain bumping post with both sides, avoid material stock and uneven drying on the chain, shown in Figure 19,20, and but the observation window 5 of hopper 20 and arranged on left and right sides is designed to the observation window 5 of open type, and at hopper 20 forward and backward positions inspection door 34 is set, as shown in Figure 1.
The distribution orifice 31 that has fresh air inlet 32 on hopper 20 bottoms of said main body part, fresh air inlet 32 on it can be hole, plane (shown in Fig. 5,6,7,9,11), also can be the projection three-dimensional hole (as Fig. 8,12,13,10) shown in, its (fresh air inlet 32) shape can be arbitrary geometry, as circular (or oval), square (or rectangle, trapezoidal, triangle) or bar shaped (or fish phosphorus sheet shape, grid-shaped), see shown in Fig. 5-11.Wherein, the distribution of fresh air inlet 32 can be well-regulated uneven distribution (can be different as every section percent opening), also can be even distribution, and the size in hole can be identical, also can be different, can decide as the case may be, as shown in figure 27.
Said main body part can be a single layer structure, also can be sandwich construction (as two layers or more), shown in Figure 14,15,16.
Said hot air apparatus is made up of thermal source 24 and blower fan 25, wherein thermal source 24 can be vapor heat exchanger or heat-condutive oil heat exchanger, also can be blind coal furnace or oil burner, and its effect is to provide hot blast to system, be used for dried material, the temperature of hot blast can require according to the drying of material to regulate automatically.With flue gas of blind coal furnace or oil burner etc.Cooling air unit is made up of blower fan 15, and its effect is to provide cold wind to system, is used to cool off material.This machine of granular material is provided with the exhausting-dusting device, it is made up of air-introduced machine 22 and deduster 23, its effect is to discharge intrasystem waste gas, waste gas enters deduster 23 by exhaust duct, after purifying, deduster 23 discharges by air-introduced machine 22, also can enter the air-vent of hot air apparatus 24, recycle, shown in Fig. 1,17.
Above-mentioned said air compartment partly is arranged on the below, bottom of hopper 20, be shaped as cone structure, by central dividing plate it is divided into hot blast chamber 12,14 and cold air chamber 16, according to the material needs, hot blast chamber 12 and 14 and the position of cold air chamber 16 can change flexibly, can be divided into: (separately) hot type (as Figure 19) or (separately) cooling type, heating cooling type (as shown in figure 18), secondary (or repeatedly) heating cooling type (high temperature, middle temperature, cooling are shown in Figure 15,16,17), the heating cooling heats cold various ways such as (as shown in figure 14) type that but circulate.Fig. 1 is at granular material, and this machine is provided with cleaning part (large granular materials can not established), and said cleaning part is located at the bottom of air compartment, is made up of reducing motor 9 and cleaning auger (or scraper plate) 30, is used to clear up the granular material and the impurity of air compartment.Feeding mechanism is formed by being arranged on hopper 20 upper left charging apertures 3, dispenser 2, motor 1.Discharging mechanism is formed by being arranged on the bottom-right discharging opening 19 in hopper 20 bottoms, discharger 18, motor 17.Present technique can not be provided with the cleaning part of exhausting-dusting device and dispenser 2, discharger 18 and air compartment part bottom to large granular materials (as soybean etc.), selects (shown in Figure 17,18,19) as required flexibly for use.
The operation principle of present technique is: at first make flight chain 27 drive material by mechanism and move on distribution orifice 31, turnover panel 28 also constantly stirs or swings along the material direction thereupon simultaneously, utilize the fresh air inlet 32 of dry air (or flue gas) on distribution orifice 31 of heating to pass material bed again, dry air (or flue gas) is given material with thermal energy transfer, heat up in material heat absorption back, the vaporization of its water content, dry air (or flue gas) by heat is taken away, and then material after the dehydration enters cooling section, carry out exchange heat with cold air, the waste gas that produces after the heat exchange is discharged by exhaust outlet 21, or after deduster 23 purifies, discharge by air-introduced machine 22, the air-vent that also can enter hot air apparatus 24 recycles.Material is then discharged through discharging opening 19.The concrete course of work is: material at first enters dryer section by charging aperture 3, hot-air (or flue gas) after hot air apparatus 24 heating enters hot blast chamber 12 and 14 by blower fan 25 respectively by airduct, fresh air inlet on distribution orifice 31 32 enters the dryer section in the hopper 20 again, pass the material bed fluidized state that is on the dryer section distribution orifice 31, material directly contacts with the dry air (or flue gas) of heat under the drive of flight chain 27 and carries out exchange heat like this, turnover panel 28 also constantly stirs material along the material direction simultaneously, after the material heat absorption, the vaporization of its water content, dry air by heat is taken away, dry air after the heat exchange becomes waste gas, discharge by exhaust outlet 21, dried material then enters cooling section and cools off, thereby has finished the whole process of dry materials; After high-temperature material enters cooling section, under the stirring of the drive of flight chain 27 and turnover panel 28, along distribution orifice 31 walkings, simultaneously the cold air of cold air chamber 16 passes material bed on the distribution orifice 31, carries out direct exchange heat with high-temperature material, thereby material is cooled, cooled material is discharged through discharging opening 19, cold air after the heat absorption then becomes waste gas, discharges from the exhaust outlet 21 on cooling section top, thereby has finished the material cooling procedure.The waste gas that system produces is discharged by the exhaust outlet 21 at hopper 20 tops, and to granular material, waste gas can enter deduster 23, is discharged by air-introduced machine 22 after deduster 23 sedimentations, and the air-vent that also can enter hot air apparatus 24 recycles.So far finished all processes dry, that cool off and carry.
In addition, present technique is provided with cleaning plant to granular material and the material that contains dust, and this device is located at the bottom of main body, it is the bottom of air compartment, when material in drying or cooling procedure, when entering air compartment by the fresh air inlet on the distribution orifice 31 32, cleaning plant can be discharged material (or dust).
Present technique is compared with prior art, has simple in structurely, easy to operate, and output is big, thermal efficiency height, thickener not, temperature can be regulated automatically with the moisture content size of material, operates steadily, safe and reliable, and a tractor serves several purposes, can realize that drying, cooling, conveying one machine finish, simplified technology.In addition, this technology adopts panel turnover mechanism, has avoided the uneven and thickener phenomenon of material heating; Adopt hot-air (or flue gas) direct heat transfer, homogeneous heating, water separation capability is strong, and energy resource consumption is low; Adopt cold air directly to cool off, speed is fast, good cooling results.In addition, this technology integrates drying, cools off, carries, and has promptly realized a tractor serves several purposes, can use separately again, (heating or cooling) is if when the material that is dried need not cool off (softening etc. as the dry embryo, soybean of giving birth to of vegetable oil mill), this machine can be made drying machine and use; If material only need cool off when not needing drying, (as the high temperature precipitation dregs of rice of vegetable oil mill) this machine can be used as cooler again and uses; This machine can also be done the conveyer use in addition.
Fig. 1 is the general illustration (being used for granular material) of first kind of structure of the present utility model;
Fig. 2 is the main body of first kind of structure of the present utility model and the structure chart of scraper plate transmission mechanism and panel turnover mechanism;
Fig. 3, the 4th, the structural representation of the utility model chain 27;
Fig. 5-the 11st, the shape and structure schematic diagram of fresh air inlet 32 on the distribution orifice 31 of the present utility model;
Figure 12 is the A-A profile (the three-dimensional hole of projection) of Fig. 8;
Figure 13 is the B-B profile (the three-dimensional hole of projection) of Figure 10;
Figure 14 is second kind of structure of the present utility model (main body is the double-decker series arrangement) general illustration;
Figure 15 is the third structure of the present utility model (main body is double-decker and links structure) general illustration;
Figure 16 is the 4th kind of structure of the present utility model (main body is three-decker and links a structure) general illustration;
Figure 17 is the general illustration (remove the cleaning part of exhausting-dusting device and dispenser 2, discharger 18 and air compartment bottom on the basis of first kind of structure, be mainly used in large granular materials) of the 5th kind of structure of the present utility model;
Figure 18 is the general illustration (heating cooling type) of the 6th kind of structure of the present utility model;
Figure 19 is the general illustration (separately hot type can or cooling type separately) of the 7th kind of structure of the present utility model;
Figure 20 is the left view of Figure 19;
Figure 21 is that turnover panel 28 of the present utility model is the schematic diagram of single plate structure;
Figure 22 is the right view of Figure 21;
Figure 23 is that turnover panel 28 of the present utility model is the schematic diagram of double plate structure;
Figure 24 is the right view of Figure 23;
Figure 25 is that turnover panel 28 of the present utility model is the schematic diagram of many plate structures;
Figure 26 is the right view of Figure 25;
Figure 27 is fresh air inlet 32 regular uneven distribution schematic diagrames on the distribution orifice 31 of the present utility model.
Among the figure: 1 buncher, 2 dispensers, 3 charging apertures, 4 tensioning apparatus, 5 observation windows, 6 sprocket wheels, 7 chains, 8 supports, 9 motors, 10 thermometers, 11 air inlets, hot blast chambers 12,13 central dividing plates, hot blast chambers 14,15 air blasts, 16 cold air chamber, 17 motors, 18 dischargers, 19 discharging openings, 20 hoppers, 21 exhaust hoods, 22 air-introduced machines, 23 dedusters, 24 hot air apparatus (thermal source), 25 air blasts, 26 sprocket wheels (great wheel), 27 chains (flight chain), 28 (rotation) turnover panel, 29 sprocket wheels (tail wheel), 30 cleaning augers (or cleaning scraper plate), 31 distribution orifices, 32 fresh air inlets, 33 turnover panel main shafts, 34 inspection doors.
Most preferred embodiment of the present utility model is shown in Fig. 1-2 7.A kind of energy-saving board-turning type air flow drier, comprise main body and advance, discharging mechanism, cold, hot air apparatus and exhausting-dusting device, wherein, main body is by hopper 20 and interior flight chain transmission mechanism thereof, and hopper 20 bottom air compartment parts and cleaning part composition, hopper 20 left upper ends and bottom righthand side are respectively into, discharging opening 3 and 19, the top of hopper 20 and sidewall and bottom are respectively exhausting-dusting device and observation window 5 and have the distribution orifice 31 of fresh air inlet 32, the flight chain transmission mechanism by the sprocket wheel 29 before and after in the hopper 20 and 26 and on chain 27 and strainer 4 and reducing motor (fixed or speed-regulating type all can) form, it is characterized in that: uniform rotation (or claiming the angle rotation) panel turnover mechanism that stirs along the material traffic direction that is provided with in main body, it is by turnover panel 28, drive sprocket 6 and chain 7, turnover panel main shaft 33 is formed, wherein, turnover panel 28 is arranged in the hopper 20 of main body, drive sprocket 6 is symmetricly set on the two ends of rotating plate shaft 33, form several turnover panel groups, every group drive sprocket 6 is replaced connection and is passed through drive sprocket 6 by chain 7, chain 7, turnover panel main shaft 33 is through reducing motor deceleration rear drive, drive several turnover panels 28 and rotate synchronously, as shown in Figure 2.
The turnover panel 28 of said rotation panel turnover mechanism can be single plate structure (shown in Figure 21,22), also can be many plate structures (as Figure 23,24 and Figure 25,26 two plates or many plate structures).Its quantity is decided according to the dryer size, is made up of several.
Sprocket wheel 29 and 26, flight chain 27 and tensioning apparatus 4 and reducing motor (fixed or speed-regulating type) before and after said flight chain transmission mechanism comprises, wherein flight chain 27 is wrapped on two sprocket wheels 29,26, by motor-driven, chain 27 (form) is strand or multichained construction, and its time chain mode is chain last time, it also can be chain next time, shown in Fig. 3,4, wherein, Fig. 4 is a single-stranded structure, Fig. 3 is a duplex structure, can certainly be double-stranded above structure.
The hopper 20 of said main body part, its and arranged on left and right sides is inwardly protruded structure, because of the hopper of projection chain bumping post with both sides, avoid material stock and uneven drying on the chain, shown in Figure 19,20, and but the observation window 5 of hopper 20 and arranged on left and right sides is designed to the observation window 5 of open type, and at hopper 20 forward and backward positions inspection door 34 is set, as shown in Figure 1.
The distribution orifice 31 that has fresh air inlet 32 on hopper 20 bottoms of said main body part, fresh air inlet 32 on it can be hole, plane (shown in Fig. 5,6,7,9,11), also can be the projection three-dimensional hole (as Fig. 8,12,13,10) shown in, its (fresh air inlet 32) shape can be arbitrary geometry, as circular (or oval), square (or rectangle, trapezoidal, triangle) or bar shaped (or fish phosphorus sheet shape, grid-shaped), see shown in Fig. 5-11.Wherein, the distribution of fresh air inlet 32 can be well-regulated uneven distribution (can be different as every section percent opening), also can be even distribution, and the size in hole can be identical, also can be different, can decide as the case may be, as shown in figure 27.
Said main body part can be a single layer structure, also can be sandwich construction (as two layers or more), shown in Figure 14,15,16.
Said hot air apparatus is made up of thermal source 24 and blower fan 25, wherein thermal source 24 can be vapor heat exchanger or heat-condutive oil heat exchanger, also can be blind coal furnace or oil burner, and its effect is to provide hot blast to system, be used for dried material, the temperature of hot blast can require according to the drying of material to regulate automatically.With flue gas of blind coal furnace or oil burner etc.Cooling air unit is made up of blower fan 15, and its effect is to provide cold wind to system, is used to cool off material.This machine of granular material is provided with the exhausting-dusting device, it is made up of air-introduced machine 22 and deduster 23, its effect is to discharge intrasystem waste gas, waste gas enters deduster 23 by exhaust duct, after purifying, deduster 23 discharges by air-introduced machine 22, also can enter the air-vent of hot air apparatus 24, recycle, shown in Fig. 1,17.
Above-mentioned said air compartment partly is arranged on the below, bottom of hopper 20, be shaped as cone structure, by central dividing plate it is divided into hot blast chamber 12,14 and cold air chamber 16, according to the material needs, hot blast chamber 12 and 14 and the position of cold air chamber 16 can change flexibly, can be divided into: (separately) hot type (as Figure 19) or (separately) cooling type, heating cooling type (as shown in figure 18), secondary (or repeatedly) heating cooling type (high temperature, middle temperature, cooling are shown in Figure 15,16,17), the heating cooling heats cold various ways such as (as shown in figure 14) type that but circulate.Fig. 1 is at granular material, and this machine is provided with cleaning part (large granular materials can not established), and said cleaning part is located at the bottom of air compartment, is made up of reducing motor 9 and cleaning auger (or scraper plate) 30, is used to clear up the granular material and the impurity of air compartment.Feeding mechanism is formed by being arranged on hopper 20 upper left charging apertures 3, dispenser 2, motor 1.Discharging mechanism is formed by being arranged on the bottom-right discharging opening 19 in hopper 20 bottoms, discharger 18, motor 17.Present technique can not be provided with the cleaning part of exhausting-dusting device and dispenser 2, discharger 18 and air compartment part bottom to large granular materials (as soybean etc.), selects (shown in Figure 17,18,19) as required flexibly for use.
Claims (7)
1, a kind of energy-saving board-turning type air flow drier, comprise main body and advance, discharging mechanism, cold, hot air apparatus and exhausting-dusting device, wherein, main body is by hopper (20) and interior flight chain transmission mechanism thereof, and hopper (20) bottom air compartment part and cleaning part composition, hopper (20) left upper end and bottom righthand side are respectively into, discharging opening (3) and (19), the top of hopper (20) and sidewall and bottom are respectively exhausting-dusting device and observation window (5) and have the distribution orifice (31) of fresh air inlet (32), the flight chain transmission mechanism by the sprocket wheel (29) before and after in the hopper (20) and (26) and on chain (27) and strainer (4) and reducing motor form, it is characterized in that: the uniform rotation panel turnover mechanism that stirs along the material traffic direction that is provided with in main body, it is by turnover panel (28), drive sprocket (6) and chain (7), turnover panel main shaft (33) is formed, wherein, turnover panel (28) is arranged on the interior drive sprocket (6) that also passes through of hopper (20) of main body, chain (7) by main shaft (33) through reducing motor deceleration rear drive.
2, a kind of energy-saving board-turning type air flow drier as claimed in claim 1 is characterized in that: the turnover panel of said rotation panel turnover mechanism (28) can be a single plate structure, also can be many plate structures.
3, a kind of energy-saving board-turning type air flow drier as claimed in claim 1 is characterized in that: the chain of said flight chain transmission mechanism (27) can be strand or multichained construction.
4, a kind of energy-saving board-turning type air flow drier as claimed in claim 1, it is characterized in that: the hopper (20) of said main body part, but its and arranged on left and right sides is the observation window (5) of inwardly protruded structure and and arranged on left and right sides is designed to the observation window (5) of opening door, and at the forward and backward position of hopper (20) inspection door (34) is set.
5, a kind of energy-saving board-turning type air flow drier as claimed in claim 1, it is characterized in that: the distribution orifice that has fresh air inlet (32) (31) on hopper (20) bottom of said main body part, fresh air inlet on it (32) can be the hole, plane, it also can be the three-dimensional hole of projection, its shape can be arbitrary geometry, as circle (or oval), square (or rectangle, triangle, trapezoidal) or bar shaped (or fish phosphorus sheet shape, grid-shaped).
6, a kind of energy-saving board-turning type air flow drier as claimed in claim 1 is characterized in that: said main body part can single layer structure, also can be double-decker or sandwich construction.
7, a kind of energy-saving board-turning type air flow drier as claimed in claim 1 is characterized in that: said hot air apparatus (24) can be vapor heat exchanger or heat-condutive oil heat exchanger, also can be blind coal furnace or oil burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00205627 CN2418445Y (en) | 2000-03-06 | 2000-03-06 | Energy-saving type panel-turning-over air-flow drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00205627 CN2418445Y (en) | 2000-03-06 | 2000-03-06 | Energy-saving type panel-turning-over air-flow drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2418445Y true CN2418445Y (en) | 2001-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00205627 Expired - Fee Related CN2418445Y (en) | 2000-03-06 | 2000-03-06 | Energy-saving type panel-turning-over air-flow drying machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN2418445Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104839310A (en) * | 2015-05-26 | 2015-08-19 | 苏州达泰佳机械科技有限公司 | Marine product drying processing device |
| CN106403562A (en) * | 2016-08-31 | 2017-02-15 | 盐城工学院 | Microwave drying system |
| CN109163507A (en) * | 2018-08-30 | 2019-01-08 | 芜湖杨燕制药有限公司 | The drying unit of vernonia anthelmintica medicinal material |
| CN109869983A (en) * | 2016-08-31 | 2019-06-11 | 邹平双飞成套设备有限公司 | A kind of energy saving and environment friendly lignite power generation integrated system |
-
2000
- 2000-03-06 CN CN 00205627 patent/CN2418445Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104839310A (en) * | 2015-05-26 | 2015-08-19 | 苏州达泰佳机械科技有限公司 | Marine product drying processing device |
| CN106403562A (en) * | 2016-08-31 | 2017-02-15 | 盐城工学院 | Microwave drying system |
| CN109869983A (en) * | 2016-08-31 | 2019-06-11 | 邹平双飞成套设备有限公司 | A kind of energy saving and environment friendly lignite power generation integrated system |
| CN109869984A (en) * | 2016-08-31 | 2019-06-11 | 邹平双飞成套设备有限公司 | A kind of brown coal drying equipment using power-plant flue gas and steam waste heat |
| CN109163507A (en) * | 2018-08-30 | 2019-01-08 | 芜湖杨燕制药有限公司 | The drying unit of vernonia anthelmintica medicinal material |
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| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |