TH27422B - Two-step method for drying finely milled products and practice tools. - Google Patents

Abstract

DC60 (19/08/52) This invention relates to methods and tools for the drying of finely milled products and in particular. It involves a 2-step tool for making a product that Dry granulation consisting of the first drying unit (continuous-flow rotary drying unit) and second drying unit. (Combination rotary drying unit) The first drying unit and the second drying unit arranged in series, and a 2-step method for making the products at Ground to dry The invention involves methods and tools for the drying of finely milled products, and in particular. It involves a 2-step tool for making a product that Dry granulation consisting of the first drying unit (continuous-flow rotary drying unit) and second drying unit. (Combination rotary drying unit) The first drying unit and the second drying unit arranged in series, and a 2-step method for making the products at Ground to dry

Claims (1)

1. Method for drying finely ground products The system consists of the first drying unit, the second drying unit, and a conveyor. The first drying unit consists of the first rotating round drum. And the second drying unit consists of a revolving round drum. The second method consists of the steps of: Performing the first drying operation in that first drying unit. Of: Blowing of finely milled products that have been cut. Into such a rotating round drum; The rotation of the round tank rotates the first such tank; Blowing hot air into the first such a rotating drum; And drained the dried finely milled product from the first such round rotating drum; And a second drying operation in the aforementioned second drying unit. The second drying operation consists of the steps of: turning a second round drum; The hot air is blown into the second circular rotating drum. Such hot air was Circulate evenly inside the second round rotating drum, said And is drained from the rotary drum A second such tank; Viang throws the first pulverized granular product into the input opening of the second drum through a conveyor; Drop the first crushed dry hopper into the said feed opening; The second hopper was then drained through the discharging opening. 2. Method according to claim No. 1, where the damper 3 was arranged at The aforementioned inlet opening, the middle section, and the aforementioned output opening, therefore, the hot air flow rate is equally adjusted for each section. When the hot air is blown During the second drying operation 3. Method according to claim 1, where the first round drum was rotated at 3 to 6 cycles / min and the second round was rotated. At 6 to 18 cycles / min 4. Method according to claim 1, where the hot air temperature is 50 to 70 ํ C during the first drying operation. And the temperature of the hot air is 70 to 120 ํ C during operation. Second drying 5. Method according to claim 1, where the hot air velocity is 6 to 8 m / s at the inlet and 4 to 6 m / s at the outlet during the first drying operation. And the air velocity is 1 to 3 m / s during the second drying operation 6. Method according to claim 1, where the drying time of the first drying operation is 10 to 20 minutes. And the drying time of the second drying operation is 20 to 40 minutes. 7. Method according to claim 1, where the moisture content of the finely ground product is The first drum is 45 to 60% and the moisture content of the The finely ground discharged at the feed opening is 25 to 35%. 8. The method of claim No. 1 also consists of an opening and closing unit at the vent opening. This method is for adjusting the amount of finely ground product that has been discharged to control the moisture content prior to the release of the crushed product dried through the discharge opening. 9. Methods of claim No. 1 also include: Adjust the amount of moisture. The ground product has been drained. By controlling the temperature of hot air 1 0. Method for claim No. 1 also consists of adjusting the moisture content of The ground product has been drained. By controlling the angle of inclination of the second rotary drum, 1 1. Drying Equipment The finely milled product consists of: first drying unit. Which consists of; Entrance funnel for receiving finely milled products; And an outlet channel for delivering finely milled products that are dried to the first moisture content; And the second drying unit Which consists of; The inlet is coupled with the first drying unit. The said channel, which accepts Ground products with such first moisture content; A spinning drum consisting of a wavy part on its internal surface. The outlet for delivering the pulverized product that was dried to a second moisture content, the second moisture content, is less than that first. Where the wavy part helps to throw the milled product to dry in the drum 1 2. Drying equipment. Finely ground products according to Clause 11, where the drying unit. The second unit also contains a hot air outlet for blowing hot air into the drying unit. The second unit. The hot air will dry the finely milled products in the aforementioned round drum. 1 3. Drying equipment for finely milled products according to claim 12, where the hot air is The temperature ranges from about 70 ํ C to about 120 ํ C 1 4. Drying equipment, finely ground product according to claim 12, where the hot air is located. It was blown into such hot air entrances. With a speed ranging from 1 m / s to approx. 3 m / s 1 5. Drying equipment, finely milled product according to claim 12, where the drying unit. The second unit also features: the first damper set up at the inlet coupled with the unit. Drying the first unit as mentioned; Air recirculation regulator A second machine located in the middle of the wave section; And air recirculation regulator The third engine, which was set up at the said exit. Where the first air recirculation regulator, recirculation regulator The second air And the third aforementioned air recirculation regulator provides virtually the same hot air flow rate within the aforementioned second drying unit. 1 6. Finished product drying apparatus in accordance with claim 11 at Which drying unit The second unit also consists of a plunger for controlling the angle of inclination of the rotating drum. 1 7. Drying equipment, finely milled product according to claim No. 11, where the drying unit is used to The second unit also consists of an open and closed unit that coupled with the said exit. Open and close unit It controls the moisture content of the finely ground products that are exported through the said outlet. By adjusting the amount of finely milled product that is exported through the said outlet, 1 8. Drying equipment, the finely milled product according to claim 11, where the quantity The first value of the moisture content ranges from approximately 25% to approximately 35%. 1 9. Drying equipment, finely milled products according to claim No. 11, where the round drum rotates. It is rotated at a rate of approximately 6 rpm to approx. 18 rpm. 2 0. Methods of drying the finely milled product include: drying the crushed product to the first moisture content in the drying unit. First unit dry; And the drying of such a crushed product with the first moisture content in the drying unit. The second unit in dry includes: turning the crushed product at the first moisture content; The centrifugation of the spinning product; And the release of the crushed product that was dried to a lower second moisture content. The first above moisture content. 2. 1. Method of claim 20, where the drying of such finely ground products is In the second drying unit It also consists of blowing hot air while spinning the crushed product. 2. 2. Method of claim 20 where such hot air has a temperature range of about 70 ° C to about 120 ° C. 2 3. The method of claim 21, where the hot air is blown at a speed of between 1 m / s and approximately 3 m / s 2 4. The method of claim 21 also consists of: Circulate such hot air thoroughly Together inside the second drying unit. And release the used hot air from the drying unit. The second aforementioned unit 2 5. Methods of claim 20, where the drying of such finely milled products is In the second drying unit It also consists of a change in the angle of inclination of the drying unit. The second aforementioned unit 2 6. Methods of claim 20, where the drying of such finely milled products. In the second drying unit It also consists of a change in the rate of discharge of the process. This is to control the moisture content of the finely milled product that is released in the The said discharge procedure 2 7. Clause 20 method where the first moisture content ranges from approximately 25% to approximately 35% 2 8. Clause 20 method at The rotation is performed at rates from approximately 6 rpm to approximately 18 rpm. 2 9. a multi-stage air food drying dcvice consists of: equipment. First spin drying These include: food intake pipes for moisture content prior to drying; The circular rotating tank with a smooth internal volume. Hot air intake duct for receiving hot air at first speed. And the first temperature In such hot air, such foods with moisture content are dried before internal drying. As for the circular rotating tank thereof; And an outlet for releasing the dried food until the initial dry moisture content; And the second rotary drying device This includes: the dehydrated food intake pipe for receiving the dehydrated food. Until the moisture content was first dried; The circular rotating tank with a wave inside volume. Pistons for changing the angle of inclination of such rotating circular sections; Hot air intake duct for receiving hot air at a second speed. And the second temperature, the hot air, which dried the food until the moisture content was dried. The first value within the above-mentioned rotary drum section; A large amount of air recirculation regulator is located inside the aforementioned second spin drying device that adjusts the flow rate of the hot air inside the aforementioned second spin drying device; And an outlet for releasing the dried food until the second dry moisture content Low than the moisture content of the first drying 3 0. Multi-stage air drying equipment according to claim 29, where the first temperature is from approximately 50 ° C to approximately 70 ° C. ํ C and with the first speed It ranges between 6 m / s and approx. 8 m / s 3. 1. Multi-stage air drying equipment according to claim 29, where the second temperature ranges from approximately 70 ํ C to approximately 120 ํ C, and at the The two were in the range between 4 m / s and approximately 6 m / s.