CN100436993C - Continuous low temperature drying technology and its equipment - Google Patents
Continuous low temperature drying technology and its equipment Download PDFInfo
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- CN100436993C CN100436993C CNB2006101113286A CN200610111328A CN100436993C CN 100436993 C CN100436993 C CN 100436993C CN B2006101113286 A CNB2006101113286 A CN B2006101113286A CN 200610111328 A CN200610111328 A CN 200610111328A CN 100436993 C CN100436993 C CN 100436993C
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Abstract
The invention relates to a kind of continuous low-temperature desiccation technology and the equipment. It includes a thermal source unit, a gas/solid flowing transport unit, a forward and opposite flow desiccation unit and an eddy flow desiccation unit. The thermal source unit produces the heat energy needed by desiccation. The gas/solid flowing transport unit is used to link the warm-air pipe, the moisture eliminating pipe, the draught fan and the transporter transporting the material of every structure unit. The forward and opposite flow desiccation unit is a forward and opposite flow desiccator. The dry and hot wind high-velocity moves downwards and upwards from the top and the bottom of the desiccator separately and produces the forward and opposite flow relative motion with the falling material. The moisture eliminates from the middle part of the desiccator and the material vents from the lower material output mouth. The transporter transports the material to the eddy flow desiccation unit. The eddy flow desiccation unit includes a muller and a turbine desiccator. It operates the eddy flow desiccation on the crushed material to make the material dry in the low temperature. It decreases the power consumption and the material is not necessary to operate circulatory desiccation.
Description
Technical field
What the present invention relates to is a kind of drying means and equipment, particularly be a kind of method and equipment that under low-temperature condition, material is carried out continuous drying.
Background technology
More existing materials, in its dry run, in order to keep the characteristic of its original material, can only under the control uniform temperature, carry out drying, with a kind of processing of farm products semi-finished product-wheat gluten is example, the fresh wet gluten that wheaten starch factory produces, its performance of the wheat gluten behind pneumatic conveying drying (formal name used at school Gluten) must reach that following standard is 1, its nutrient content unchanged.2, the rehydration reducing property is good.The physical behavior that 3, can keep former bright wet gluten; Because protein content＞75% in the Gluten, containing glutenin and gliadin in its protein is 80%, and leucosin and gliadin are 20%, and the viscosity of bright wet gluten, toughness are very high, and have plasticity and the very strong physical characteristic of extensibility.For not destroying the loss of its reducing activity and nutrient, must adopt low temperature rapid draing technology when dry.
What adopt both at home and abroad at present is annular circulation dryer, the performance of its equipment has reached the quality requirement of product, its process characteristic is, after bright gluten granulation, mix the part dry material to reduce moisture content, become mutual NA granule, come and go cyclic drying by mixing pulverizer, therefore its work energy, consumption of heat energy are very big, and for example: the used pulverizing combined power of 120kg/h output is 30KW.
On the other hand, annular machine adopts endless form, and drying time is long, half-dried feed back pipeline stops up easily, and the vaporization aqueous vapor is from local discharge of pocket type recover, high humidity, easy adhesion filter bag cloth cover slit, air draft is not smooth, and unmatched words are being collected and returned to the dry material that can influence output and discharge, can directly influence the quality and the output of product, because circulation pipeline complexity, not easy to operate, hot dry wind consumption is very big, and the power of air-introduced machine is 45KW (120kg/h output)
The defective of existing in summary festoon drier is: power consumption, hear rate are excessive, material need return cyclic drying, hot dry wind consumption height, and bulky, work is complicated.
Summary of the invention
The objective of the invention is to, a kind of continuous low temperature drying technology and equipment thereof are provided, make material can be under the lower situation of temperature dry, and power consumption is few, without cyclic drying.
For achieving the above object, the technical solution used in the present invention is, a kind of continuous low temperature drying technology is provided, and its dry processing step comprises:
A. by extruding, the moisture on material surface is extruded;
B. material is squeezed into thread, slowly vertical drop;
C. hot dry wind from top and bottom high-speed motion downwards and upwards respectively, produce following current and adverse current relative motion with the filiform that falls;
D. carry out the eddy current drying after filamentary material being pulverized;
E. the material that is recovered to is carried out gas solid separation, product and gas are discharged respectively.
A kind of continuous low temperature drying equipment of realizing top continuous low temperature drying technology also is provided simultaneously, and it comprises, admittedly heat source unit, gas/flow delivery unit, concurrent-countercurrent drying unit, eddy current drying unit, wherein, heat source unit produces dry necessary energy;
Admittedly described gas/flow delivery unit is in order to the warm-air pipe that connects each construction unit, humidity discharging pipe, air-introduced machine and in order to the conveyer of transported material, the air-introduced machine dry air is converted into hot dry wind;
Described concurrent-countercurrent drying unit is a concurrent-countercurrent drier, hot dry wind is from the drier top and the bottom is downward respectively and the high-speed motion that makes progress, produce following current and adverse current relative motion with the material that falls, moisture is discharged by the humidity discharging pipe from the steam drain that is positioned at concurrent-countercurrent drier stage casing, and material is discharged from being positioned at concurrent-countercurrent drier lower end discharging opening; By conveyer material is gone out to deliver to described eddy current drying unit;
Described eddy current drying unit is pulverizer and worm gear drier, carries out the eddy current drying after material is pulverized;
Described heat source unit is the combination or the hot-blast stove of steam boiler and heat exchanger;
Described concurrent-countercurrent drying unit also comprises, screw pump, squeezer and a crowded silk device, described screw pump is for squeezer and squeeze a silk device power is provided, described squeezer is extruded the moisture on surface and is extruded, and described crowded silk device is extruded into material thread, falls from described concurrent-countercurrent drier top;
Also comprise cyclone separator, by conveyer material is inserted described cyclone separator from the worm gear drier and carry out gas solid separation;
Described conveyer is the enclosed conveyer, and the hot blast of enclosed conveyer inlet upper end is not connected mutually with following enclosed conveyer outlet back segment hot blast;
Also comprise dry powder sieve and pocket type recover, described dry powder sieve is arranged at cyclone separator solid discharging opening separates bulky grain and impurity in the product, and described pocket type recover places cyclone separator gas discharging opening that the small powder of tail gas is collected;
For reaching the drying effect of regulation, with the use that is together in series of concurrent-countercurrent drying unit or worm gear drying unit.
Description of drawings
Fig. 1 is the process chart of continuous drying of the present invention;
Fig. 2 is the plan structure sketch of continuous drying equipment of the present invention;
Fig. 3 is the side-looking structure diagram of concurrent-countercurrent drier assembly of the present invention;
Fig. 4 is the structure diagram of squeezer of the present invention;
Fig. 5 squeezes the structure diagram of silk device for the present invention;
Fig. 6 is the structure diagram of eddy current drying machine of the present invention.
Description of reference numerals: 1-hot-blast stove; The 2-feeding mouth; 3-humidity discharging pipe; 41,42-air-introduced machine; 5-concurrent-countercurrent drier; 6-closes envelope formula conveyer; The 7-pocket type reclaims machine; 71-dry powder sieve; The 721-pocket type reclaims the outlet of machine moisture; The 9-gas-solid separator; 8-eddy current type drier; 82-eddy current type drier hot dry wind inlet; 83-eddy current type dryer export; The 88-crushing shaft; The 50-screw pump; 501-screw pump feeding mouth; 51-squeezes the silk device; 511-squeezes silk device Gluten inlet; 512-squeezes the outlet of silk device Gluten; The 53-squeezer; 531-squeezer Gluten inlet; The 532-surface water is discharged; The outlet of 533-squeezer Gluten; 521,524-concurrent-countercurrent drier hot dry wind inlet; 522,523-concurrent-countercurrent drier moisture outlet; The 81-pulverizer; The 84-dry section; The 85-graded region; The 86-lifting zone; The 87-outlet; The process flow steps of a---h-continuous drying of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
We are example with Gluten (wheat gluten) for the material here, see also shown in Figure 1ly, and it is the process chart of continuous drying of the present invention, and it step that comprises is:
A. by extruding the moisture on Gluten surface is extruded, Ji Xie way has reduced the content of Gluten surface moisture like this, has also reduced dry thermal energy consumption from another point of view;
B. Gluten is squeezed into threadly,, enlarges the surface area of Gluten like this from the slow vertical drop of container top of space;
C. hot dry wind from top and bottom high-speed motion downwards and upwards respectively, produce following current and adverse current relative motion with the filiform that falls;
A large amount of moisture that d. will produce is discharged;
E. filamentary material is pulverized and carried out the eddy current drying, its method technology applicant discloses in its patent of invention " airflow counter-collision formula expansion drying method and apparatus " and illustrates;
F. the Gluten that is recovered to is carried out gas solid separation, product and gas are discharged respectively;
H. further purify, remove solid residue;
G. obtain finished product.
We can draw the equipment of realizing above-mentioned technical process according to top technical process, see also shown in Figure 2, it is for the plan structure sketch of continuous drying equipment of the present invention, it comprises, admittedly heat source unit, gas/mobile delivery unit, concurrent-countercurrent drying unit, eddy current drying unit, gas solid separation unit and product collector unit, wherein
Described thermal source can be the combination of hot-blast stove or steam boiler and heat exchanger, is used for dry heat energy in order to generation, is example with hot-blast stove 1 here;
Admittedly the described gas/delivery unit that flows comprises, warm-air pipe, humidity discharging pipe 3, air-introduced machine 41,42 and in order to the enclosed conveyer 6 of transportation solid objects;
Described concurrent-countercurrent drying unit, it comprises, screw pump 50, squeezer 53, crowded silk device 51 and concurrent-countercurrent drier 5;
Described eddy current drying unit, it comprises, pulverizer 81 and eddy current type drier 8;
Described gas solid separation unit, it comprises, cyclone separator 9 and dry powder sieve 71;
Described product collector unit, it comprises, pocket type recover 7.
Please refer to shown in Figure 3, it is for the side-looking structure diagram of concurrent-countercurrent drier assembly of the present invention, described hot-blast stove 1 links to each other with warm-air pipe, the dry-heat air of described high speed just moves in the warm-air pipe high speed, warm-air pipe is provided with feeding mouth 2, the Gluten of described humidity enters with hot dry wind at a high speed from feeding mouth 2 and mixes, owing to have speed difference, so the steam on Gluten surface can evaporate a large amount of moisture of formation; Described warm-air pipe links to each other with the material inlet 501 of screw pump, described screw pump 50 is connected with a crowded silk device 51 with squeezer 53, and for both provide kinetic energy, the material that gas-solid mixes enters into a crowded silk device by the material inlet 501 of screw pump, the moisture on Gluten surface is extruded, the minimizing of material moisture owing to be dried, so to a certain extent, can make needs dry heat energy to reduce, and enters into described crowded silk device 51 through the Gluten after the extruding, and the Gluten that will wet is squeezed into thread, and slowly vertical drop, its speed is controlled by the rotating speed of screw pump 50, and so clearly the surface area of wet Gluten has increased much the easier evaporation of moisture;
See also shown in Figure 4, it is for the structure diagram of squeezer of the present invention, described squeezer comprises, the squeezer Gluten enters the mouth 531 described Glutens from entering here, moisture through compressive surface is discharged from surface water outlet 532, because it has viscosity,, flow out but export 533 from the squeezer Gluten so Gluten can not discharged from surface water outlet 532.
See also shown in Figure 5ly, it is that the present invention squeezes the structure diagram of silk device, and described crowded silk device comprises, squeezes silk device Gluten inlet 511, squeezes silk device Gluten outlet 512.
Described crowded silk device 51 is arranged at concurrent-countercurrent drier 5 tops, described concurrent-countercurrent drier 5, have two hot dry wind inlets 521 up and down, 524, establish two moisture outlets 522 in the middle, 523, described from upper end hot dry wind 521 hot dry winds that are blown into that enter the mouth, and form concurrent drying between the thread Gluten that falls, described from lower end hot dry wind inlet 524 hot dry winds that are blown into, and form the adverse current fluidized drying between the thread Gluten that falls, hot dry wind produces head-on collision in concurrent-countercurrent drier 5 stage casings up and down, and produce the diffusion air-flow of instantaneous high speed, the drying that more helps Gluten, the wet steam that produces is from the moisture outlet 522 in stage casing, 523 discharge, described moisture outlet 522,523 pass through air-introduced machine 41 links to each other with humidity discharging pipe 3, and moisture is discharged;
The bottom of described concurrent-countercurrent drier is that blanking port 525 links to each other with the feeding mouth that closes envelope formula conveyer 6, to send into pulverizer 81 through the dried glutelin bean vermicelli of concurrent-countercurrent, through after the processing of pulverizer 81, described close envelope formula conveyer 6 with the Gluten material of chopping send into close the warm-air pipe that envelope formula conveyer 6 discharging openings link to each other in, like this Shang Duan hot blast with next stage hot blast just do not connected mutually;
Described warm-air pipe links to each other with air-introduced machine 42, another outlet of described air-introduced machine 42 links to each other with eddy current type drier 8, described eddy current type drier 8, the inventor number is 200610086403.8 and is called to disclose in " airflow counter-collision formula expansion drying method and apparatus " in Chinese patent application, see also shown in Figure 6, it is for the structure diagram of eddy current drying machine of the present invention, described eddy current type drier 8 technology of being one of the forming process, it comprises spiral case outlet 83, lifting zone 86, graded region 85, crushing shaft 88 and dry section 84 but be to be provided with crushing shaft 88 with the difference of aforementioned eddy current type drier here at the dry section place, wherein, gradually open form is adopted in described spiral case outlet 83, recovers energy, reduce the effect of resistance; Its lower end is that lifting zone 86 is a cylinder staving, and the material that water content is suitable quickens to promote thus; The lower end of described lifting zone 86 is a graded region 85, and it is a bullet structure, contains the different particle of moisture owing to there is the difference of sinking speed, the suitable material of the suitable humidity of granularity is risen, otherwise then stop, and after water content is suitable, rises; Described graded region lower end is the dry section 84 of cylinder tubbiness, suspended material rotates at a high speed at this, lateral margin at described dry section 84 tangentially is provided with eddy current type drier inlet 82, the described high-speed mixing gas that flows through from straight type warm-air pipe, enter described eddy current type drier 8 by described eddy current type drier inlet 82, gaseous mixture links to each other by the inlet of warm-air pipe with cyclone separator 9 from described spiral case outlet;
Described cyclone separator 9 be common apparatus, it has gas vent, and solid outlet, described dried Gluten material and gas are respectively from discharging described solid outlet and gas vent, described gas vent links to each other with pocket type recover 7, described solid outlet links to each other with the inlet that closes envelope formula conveyer 6, and described outlet of closing envelope formula conveyer 6 is sieved 71 feeding mouths with dry powder and linked to each other;
By the pocket type recover, the small powder in the cyclone separator tail gas is collected, by the dry powder sieve, bulky grain and impurity in the product are separated, thereby finished whole dry run Gluten.
Further sum up, described screw pump 50 backs increase squeezer 53, squeeze silk device 51, can make screw pump 50 dual-use, being extruded into filament enlarges the surface area of material, be convenient to the moisture vaporization, " concurrent-countercurrent " drying means that concurrent-countercurrent drier 5 is realized is particularly suitable for dry high moisture material, have high temperature, fast, advantage such as low energy consumption, wind-warm syndrome height and material be not overheated, moisture is discharged from the middle part and is accounted for more than 70% of total gasification moisture.
After filamentary material is pulverized, enter " eddy current type drier 8 ", its job specification is, material and hot dry wind are tangential simultaneously to be entered at a high speed, and under action of centrifugal force, the wet stock that particle is big slightly rotates at a high speed along outer wall, increase the relative velocity of thermal current and material, strengthened heat-transfer effect, the material of dry light weight upwards enters cyclone separator by the center, the gas-solid separating substances.Material is from exporting dusting cover down, and trickle powder and tail gas enter pocket type recover 7, reclaim trickle powder.
Adopt continuous drying twice, only need vaporize during redrying about 30% moisture, adopt eddy current type drier 8, its performance front is introduced, and what replenish in addition is material high speed Rotary District, and agitator is housed, make large granular materials accelerate the speed of refinement, through measuring and calculating, vortex flow is dry than big more than 3 times with the heat and mass transfer coefficient of fluidized drying, is applicable to the drying process of heat sensitive material.Dry finished product adopts efficient cyclone separator 9, make the product more than 95% enter dusting cover by the bottom discharge port, a small amount of micro mist is collected by the pocket type recover, because most of moisture is discharged the load that has alleviated the pocket type recover by first order drier, not only reduced the volume of pocket type recover 7, and the replacement cycle of strainer has been prolonged more than 10 times;
Certainly for realizing being dried to a certain water content, our uses of the concurrent-countercurrent drying unit can being contacted, promptly at least two group screw pumps 50, squeezer 53, squeeze silk device 51 and concurrent-countercurrent drier 5, also can be with the 8 polyphone uses of eddy current type drier.
It should be noted that: in the operating process of continuous drying equipment of the present invention, some step should be noted that, after hot-blast stove 1 igniting, must start air-introduced machine, makes the chilled air cools furnace wall, otherwise, can make the furnace wall overheated, damage equipment.When hot air temperature reaches 50～55 ℃, start the motor at charging aperture place, make material slowly enter warm-air pipe, along with the rising gradually of hot air temperature, the rotating speed of charging aperture place motor will improve synchronously, until steady production.
Mixing temperature in concurrent-countercurrent drier 5 and the eddy current type drier 8 should be stabilized between 50～55 ℃.Temperature raises, and can improve the speed of charging and the rotating speed of screw pump 50, and inlet amount is increased, otherwise should reduce the rotating speed of charging rate and screw pump 50.
After producing end, earlier the ember in the hot-blast stove 1 is withdrawed from, air-introduced machine 41,42 remains in operation, and when hot air temperature is reduced to below 80 ℃, can stop air-introduced machine 41,42, otherwise, can damage the furnace wall.
In the time of the hot-blast stove igniting, must start air-introduced machine 41,42, make the chilled air cools furnace wall, in order to avoid the furnace wall is overheated.Must earlier ember be withdrawed from during shutdown; when treating that hot air temperature is reduced to below 80 ℃; can stop air-introduced machine; forbid hot-blast stove not have the cooling air dry combustion method; the result of dry combustion method has two kinds: a kind of is to burn when overheated in the heat transfer furnace wall; suddenly air-supply can produce moment elevated temperature heat air-flow, when with equipment in residual micro mist when meeting, can produce dust explosion.Cause major accident.Another kind is long-time dry combustion method, can make the quick oxidation in heat transfer furnace wall, burns the furnace wall and can't produce.
In process of production, as unexpected power failure or break down in the time of to shut down, should rapidly fire be withdrawed from, treat to continue again to produce after the furnace temperature cooling.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1. a continuous low temperature drying technology is characterized in that, its dry processing step comprises:
A. by extruding, the moisture on material surface is extruded;
B. material is squeezed into thread, slowly vertical drop;
C. hot dry wind from top and bottom high-speed motion downwards and upwards respectively, produce following current and adverse current relative motion with the filiform that falls;
D. carry out the eddy current drying after filamentary material being pulverized;
E. the material that is recovered to is carried out gas solid separation, product and gas are discharged respectively.
2. continuous low temperature drying technology according to claim 1 is characterized in that, comprises that also step: f. mixes material mutually with hot blast and advances at utmost speed, and the moisture that produces is discharged; Before described step f is positioned at step a.
3. continuous low temperature drying technology according to claim 1 is characterized in that also comprise step: g. further purifies, and removes residue in the solid, obtains product; After described step g is positioned at step e.
4. a continuous low temperature drying equipment is characterized in that, it comprises, admittedly heat source unit, gas/flow delivery unit, concurrent-countercurrent drying unit, eddy current drying unit, wherein, heat source unit produces dry necessary energy;
Admittedly the described gas/delivery unit that flows comprises: in order to the warm-air pipe that connects each construction unit, humidity discharging pipe, air-introduced machine and in order to the conveyer of transported material, the air-introduced machine dry air is converted into hot dry wind;
Described concurrent-countercurrent drying unit is a concurrent-countercurrent drier, hot dry wind is from the drier top and the bottom is downward respectively and the high-speed motion that makes progress, produce following current and adverse current relative motion with the material that falls, moisture is discharged by the humidity discharging pipe from the steam drain that is positioned at concurrent-countercurrent drier stage casing, and material is discharged from being positioned at concurrent-countercurrent drier lower end discharging opening; By conveyer material is gone out to deliver to described eddy current drying unit;
Described eddy current drying unit is pulverizer and worm gear drier, carries out the eddy current drying after material is pulverized.
5. continuous low temperature drying equipment according to claim 4 is characterized in that, described heat source unit is the combination or the hot-blast stove of steam boiler and heat exchanger.
6. continuous low temperature drying equipment according to claim 4, it is characterized in that, described concurrent-countercurrent drying unit, also comprise, screw pump, squeezer and squeeze a silk device, described screw pump are for squeezer and squeeze a silk device power is provided, and described squeezer is extruded the moisture on material surface, described crowded silk device is extruded into material thread, falls from described concurrent-countercurrent drier top.
7. continuous low temperature drying equipment according to claim 4 is characterized in that, also comprises cyclone separator, by conveyer material is inserted described cyclone separator from the worm gear drier and carries out gas solid separation.
8. according to claim 4 or 7 described continuous low temperature drying equipment, it is characterized in that described conveyer is the enclosed conveyer, the hot blast of enclosed conveyer inlet upper end is not connected mutually with enclosed conveyer outlet back segment hot blast.
9. continuous low temperature drying equipment according to claim 7, it is characterized in that, also comprise dry powder sieve and pocket type recover, described dry powder sieve is arranged at cyclone separator solid discharging opening, bulky grain and impurity in the product are separated, described pocket type recover is arranged at cyclone separator gas discharging opening, and the small powder in the tail gas is collected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101113286A CN100436993C (en) | 2006-08-22 | 2006-08-22 | Continuous low temperature drying technology and its equipment |
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| CNB2006101113286A CN100436993C (en) | 2006-08-22 | 2006-08-22 | Continuous low temperature drying technology and its equipment |
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| CN1904532A CN1904532A (en) | 2007-01-31 |
| CN100436993C true CN100436993C (en) | 2008-11-26 |
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| CN115060065A (en) * | 2022-07-11 | 2022-09-16 | 四川龙锦宇科技有限公司 | Movable biomass vortex oscillation compound drying device system and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4408310A1 (en) * | 1994-03-11 | 1995-09-14 | Hartmut Kruess | Rendering sludge suitable for combustion and disposal using minimum energy |
| CN1166593A (en) * | 1996-04-01 | 1997-12-03 | 黑龙江省农垦科学院科技开发中心 | Composite drying machine |
| JPH10103860A (en) * | 1996-09-27 | 1998-04-24 | Hitachi Zosen Corp | Drying method of waste and device therefor |
| CN2287801Y (en) * | 1997-03-20 | 1998-08-19 | 罗玉和 | Extruding head for vermicelli equipment |
| CN2347124Y (en) * | 1998-03-12 | 1999-11-03 | 大庆高新技术产业开发区美达工业有限公司 | Two-way cross inlet forward and reverse flow grain drier |
| CN2391153Y (en) * | 1998-11-26 | 2000-08-09 | 赵小光 | Forward and backward grains dryer |
| CN2462323Y (en) * | 2001-01-11 | 2001-11-28 | 许东玉 | Evenly drying high water content grain drier |
| CN1344608A (en) * | 2000-09-19 | 2002-04-17 | 富士胶片株式会社 | Cyclic use of plastic products and method and apparatus for cleaning and crushing plastic |
| CN1227984C (en) * | 2002-08-14 | 2005-11-23 | 周炳耀 | High Viscosity material drying and powder making equipment and its pelletizing device |
-
2006
- 2006-08-22 CN CNB2006101113286A patent/CN100436993C/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4408310A1 (en) * | 1994-03-11 | 1995-09-14 | Hartmut Kruess | Rendering sludge suitable for combustion and disposal using minimum energy |
| CN1166593A (en) * | 1996-04-01 | 1997-12-03 | 黑龙江省农垦科学院科技开发中心 | Composite drying machine |
| JPH10103860A (en) * | 1996-09-27 | 1998-04-24 | Hitachi Zosen Corp | Drying method of waste and device therefor |
| CN2287801Y (en) * | 1997-03-20 | 1998-08-19 | 罗玉和 | Extruding head for vermicelli equipment |
| CN2347124Y (en) * | 1998-03-12 | 1999-11-03 | 大庆高新技术产业开发区美达工业有限公司 | Two-way cross inlet forward and reverse flow grain drier |
| CN2391153Y (en) * | 1998-11-26 | 2000-08-09 | 赵小光 | Forward and backward grains dryer |
| CN1344608A (en) * | 2000-09-19 | 2002-04-17 | 富士胶片株式会社 | Cyclic use of plastic products and method and apparatus for cleaning and crushing plastic |
| CN2462323Y (en) * | 2001-01-11 | 2001-11-28 | 许东玉 | Evenly drying high water content grain drier |
| CN1227984C (en) * | 2002-08-14 | 2005-11-23 | 周炳耀 | High Viscosity material drying and powder making equipment and its pelletizing device |
Non-Patent Citations (4)
| Title |
|---|
| 几种新型干燥器. 李占勇.南京林业大学学报，第21卷增刊卷. 1997 |
| 几种新型干燥器. 李占勇.南京林业大学学报，第21卷增刊卷. 1997 * |
| 组合式谷物干燥设备和工艺. 李德宝，冯国孝.粮食储藏，第20卷第1991（1）期. 1991 |
| 组合式谷物干燥设备和工艺. 李德宝，冯国孝.粮食储藏，第20卷第1991（1）期. 1991 * |
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| CN1904532A (en) | 2007-01-31 |
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Denomination of invention: Continuous low temperature drying technology and its equipment Effective date of registration: 20121203 Granted publication date: 20081126 Pledgee: Bank of China, Limited by Share Ltd, Kaifeng, song Cheng sub branch Pledgor: Sida Agricultural Product Equipment Co., Ltd., Kaifeng City Registration number: 2012990000750 |
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