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Ammonium chloride pan dryerBrief introduction of the case :The ammonium chloride disc dryer passes the heat carrier into the fixed multi-layer hollow disc, indirectly heating the wet material of ammonium chloride in contact on the metal disc by means of conduction, and under the action of mechanical stirring similar to the plow blade, the water in the moving ammonium chloride is evaporated and vaporized at the boiling point when it is in the operating state, and the moisture leaves the equipment through the moisture discharge port .Thus, a qualified ammonium chloride dry product is obtained at the bottom.Ammonium chloride, abbreviated as ammonium chloride. It refers to the ammonium salt of hydrochloric acid, mostly a by-product of the alkali industry, ammonium chloride, referred to as ammonium chloride. Ammonium salt refers to hydrochloric acid, mostly a by-product of the alkali industry. Ammonium chloride has a high and stable fertilizer effect in rice fields, because C1 can inhibit nitrification in rice fields, and is conducive to the formation of rice stalk fiber, increase toughness, and reduce lodging and infestation of rice diseases and insects.Ammonium chloride preparation process:The hydrogen chloride gas is in contact with the mother liquor - the ammonium chloride mother liquor is saturated with hydrogen chloride - and the ammonia gas is neutralized - the ammonium chloride saturated solution is generated - the cooling crystallizer is cooled to 30 ~ 45 ° C - The supersaturated ammonium chloride crystal is precipitated - the crystal slurry is thickened by the thickening device - the ammonium chloride product is driedAmmonium chloride pan dryer equipment principle:The heat carrier is passed into a fixed multi-layer hollow disk, and the wet material of ammonium chloride in contact on the metal disk is heated indirectly by conduction, and under the action of mechanical agitation similar to the plow blade, the water in the moving ammonium chloride is continuously turned forward and vaporized at the boiling point when it is in the operating state, and the moisture leaves the equipment from the wet outlet, thereby obtaining qualified ammonium chloride dry finished products at the bottom.Ammonium chloride pan dryer workflow:The hydrogen chloride is continuously added to the drying disc of the first layer above the dryer by the feeder, and the rake arm with the rake blade makes the rake blade continuously turn over the hydrogen chloride. The hydrogen chloride flows through the surface of the drying pan along the exponential helix, and the hydrogen chloride on the small drying pan is transferred to the outer edge, and at the outer edge falls to the outer edge of the large drying pan below, and the hydrogen chloride moves inward on the large drying pan and falls into the next layer of small drying pan through the middle blanking port. The size of the drying tray is arranged alternately up and down, so that hydrogen chloride can flow continuously through the entire dryer. The heating medium is fed into the hollow drying disc, and the heating medium has saturated steam, hot water and thermal oil. The heating medium enters from one end of the drying disc and is exported from the other end. The dried hydrogen chloride falls to the bottom of the shell from the drying pan of the latter layer, and is then transferred to the discharge port by the rake leaf. The moisture content escapes from the hydrogen chloride and is discharged by the moisture outlet located on the top cover, and the hydrogen chloride discharged from the bottom layer can be directly packaged.Ammonium chloride pan dryer equipment features:1. Easy regulation and strong applicabilityThe drying process can be achieved by adjusting the thickness of the material layer, the spindle speed, the number of rake arms, the type and size of rake blades.Each layer of drying disc can be separately passed into the hot medium or cold medium, heating or cooling the material, the material temperature control is accurate and easy;The residence time of the material can be precisely adjusted;Single material flow, no back mixing phenomenon, uniform drying, stable quality.2. Easy to operateThe dryer is very simple to start and stop.After the feed is stopped, the transfer dirt rake can quickly empty the material in the dryer.Through the special large view door of the sight mirror, the equipment can be carefully cleaned and observed.     3. Low energy consumptionThe material layer is very thin, the spindle speed is low, and the power required for the material transfer system is small;Conduction heat for drying, high thermal efficiency, low energy consumption;4. Easy installation, small footprintThe dryer is delivered as a whole, transported as a whole, only need to be hoisted into place, and installation and positioning is very easy;    Because of the drying tray layer arrangement and vertical installation, even if the drying area is large, the floor area is small;Disc dryer is a multi-layer disc, rotary rake stirring, vertical continuous drying device, belongs to the conduction drying mainly contact dryer. The equipment is continuously improved and developed on the basis of fixed bed conduction dryer and stirring dryer such as rake type, which is suitable for occasions with good heating conditions and materials allowing longer time contact heating. It is suitable for handling very fine powders and granular materials with wide particle size distribution that can flow freely and not bond.Read More

Hydrazine-based tray dryerCase description: In the drying work of hydrazine base, the hydrazine wet material self-feeder is continuously added to the drying disc of the first layer of the drying machine, and the rake arm with the rake blade is rotated to make the rake blade continuously turn over the hydrazine wet material. The hydrazine group flows through the surface of the drying pan along the exponential helix, and the hydrazine group on the small drying pan is transferred to the outer edge, and falls on the outer edge of the large drying pan below, where the material moves inward.Also known as 4-methyl-2-hydrazyl benzothiazole, is an important intermediate of the fungicide tricyclazole, and its melting point is 168℃~169℃. Tricyclazole is a kind of highly effective internal fungicide with high biological activity and unique mechanism of action. It has been proved by experiments in many countries that the preventive effect of the drug reaches 80%-90%, which is an ideal agent for the prevention and control of rice blast. The mechanism of tricyclazole is to inhibit the formation of spores, and to prevent the spread and spore production of disease spots, thus inhibiting re-infection. As domestic and foreign users continue to improve the quality requirements of tricyclazole fungicide, in the industrial production, it is necessary to obtain high quality hydrazine compounds.Hydrazine-based tray continuous dryer is an efficient conductive continuous drying equipment. Its unique structure and working principle determine that it has the characteristics of high thermal efficiency, low energy consumption, small footprint, simple configuration, convenient operation and control, good operating environment and so on.When the hydrazine compound is drying, the hydrazine compound wet material self-feeder is continuously added to the drying disc of the first layer of the dryer, and the rake arm with the rake blade is rotated to make the rake blade continuously turn over the hydrazine compound wet material. The hydrazine compounds flow through the surface of the drying pan along the exponential helix, and the hydrazine compounds on the small drying pan are transferred to the outer edge, and on the outer edge falls to the outer edge of the large drying pan below, where the material moves inward and falls through the middle blanking port into the next layer of small drying pan. The size of the drying tray is arranged alternately up and down, so that the hydrazine group can flow continuously through the entire dryer.The heating medium in the form of saturated steam, hot water, heat conduction oil and high temperature molten salt is passed into the hollow drying tray. The heating medium enters from one end of the drying tray and is exported from the other end. The dried hydrazine group falls to the aggregate tray from the latter drying pan and is then transferred to the discharge port by the rake leaf. The wet content spills from the hydrazine group and is discharged by the wet outlet located on the top cover, and the dry material discharged from the bottom can be directly packaged.Hydrazine-based tray dryer equipment advantages:(1) Easy regulation and control1. By adjusting the thickness of the material layer, the spindle speed, the number of rake arms, the type and size of rake blades, the drying process can be achieved.2. Each layer of drying disc can be separately passed into the cold and hot medium to cool or heat the material, accurately and easily control the temperature of the material.3. Accurately adjust the residence time of the material.4. The material flow is single, no back mixing phenomenon, uniform drying, no need to mix.(2) Easy to operate1. The driving and parking operation of the dryer is very simple.2. After the feed is stopped, the transfer material dirt rake blade can quickly empty the material in the dryer.3. Through the special large-size inspection door mirror, the equipment can be carefully cleaned and observed.(3) Low energy consumption1. The material layer is very thin, the spindle speed is low, the material transfer system requires little power and less power consumption.2. Drying by conduction heat, high thermal efficiency and low energy consumption.(4) Environmental protection1. Atmospheric pressure type: the airflow speed in the equipment is low, and the humidity in the equipment is low, and the dust is difficult to float to the top of the equipment, so the exhaust gas discharged from the top wet outlet almost does not contain dust.2. Closed type: equipped with solvent recovery device, can easily recover the organic solvent in the wet gas. Solvent recovery device is simple, high recovery rate, for flammable, explosive, toxic and easily oxidized materials, the protective gas can be used as a wet gas for closed cycle, so that it is safe to operate. Especially suitable for the drying of flammable, explosive and toxic materials.3. Vacuum type: disk dryer operated under vacuum, especially suitable for drying heat-sensitive materials.(5) Easy installation1. The dryer is delivered as a whole, transported as a whole, just need to be hoisted into place, and installation and positioning is very easy.2. Due to the drying tray layer arrangement, vertical installation, even if the drying area is large, the floor area is small.Hydrazine-based tray dryer equipment features:  (A) drying tray ◎ Design pressure: generally 0.4MPa, up to 1.6MPa.◎ Use pressure: generally ≤0.4MPa, up to 1.6MPa.◎ Heating medium: steam, hot water, thermal oil, drying pan temperature 100℃ use hot water heating, 100℃ ~ 150℃ with ≤0.4MPa saturated water steam or superheated steam heating, 150℃ ~ 320℃ with thermal oil heating, > 320℃ can be heated by electricity, thermal oil, molten salt and other ways.(2) Material transfer system ◎ Spindle speed: 1 ~ 10 RPM, electromagnetic or variable frequency stepless speed regulation.◎ Rake arm: There are 2 ~ 8 rake arms fixed on the main shaft on each layer of drying disc.◎ Rake blade: twisted on the rake arm, can float up and down with the disk surface to maintain contact, there are many forms.◎ Rolling: For materials that are easy to caking and need to be crushed, adding rolling in the appropriate position can strengthen the heat transfer and drying process. (3) The shell has three types of atmospheric pressure, closed and vacuum ◎ Atmospheric pressure type: cylinder or octagonal prism type, there are two kinds of structure: integral and split. Heating medium inlet and outlet main pipe can be in the shell, can also be outside the shell.◎ Closed type: cylindrical shell, can withstand 5Kpa internal pressure, heating medium inlet and outlet main pipe can be in the shell, can also be outside the shell.◎ Vacuum type: cylindrical shell, design pressure is 0.1Mpa, heating medium inlet and outlet main pipe in the shell. (4) Air heaterIt is generally used in the case of large evaporation to enhance drying efficiency.The continuous disc dryer does not need to be equipped with the cyclone dust collector that must be configured for spray drying, and does not use hot air as the heating medium, so there will be no product loss caused by bad separation of hot air and dust with tail gas entrainment.The new type continuous disc dryer is widely used in chemical industry, medicine, pesticide, food, feed, agricultural and sideline products processing and other drying operations.Read More

Enoyl morpholine (fungicide powder) dryerCase introduction: The wet material of nicomorphine is continuously added to the drying disc of the first layer of the drying machine, and the rake arm with the rake blade is rotated to make the rake blade continuously turn over, and the water is steamed out after contact with the heating medium. The dried material can be collected and packaged directly.It is characterized by destroying the formation of cell wall membrane and has effects on all stages of oomycetes life history. It is widely used in the prevention and treatment of diseases caused by oomycetes subphyla such as vegetable downy mildew, blight, seedling cataplasms and tobacco black shin disease, and has end sorbent activity. On the premise of not considering the resistance of pathogenic fungi, the efficacy of more widely used metalaxyl, fenuronium, ethylphosphoaluminum, oxazolone and so on are higher. The enyl morpholine fungicide alone has a relatively high risk of resistance, so it is often used in combination with protective fungicides such as mancozeb to delay the development of resistance.Tanoy morpholine fungicide pan dryer equipment principle:The wet material self-feeder is continuously added to the drying disc of the first layer of the dryer, and the rake arm with the rake blade is rotated to make the rake blade continuously turn over the material. The material flows through the surface of the drying tray along the exponential helix, and the material on the small drying tray is transferred to the outer edge, and on the outer edge falls to the outer edge of the large drying tray below, where the material moves inward and falls through the middle blanking port into the next layer of small drying tray. The size of the drying tray is arranged alternately up and down, so that the material can flow continuously through the entire dryer. The heating medium in the form of saturated steam, hot water, heat conduction oil and high temperature molten salt is passed into the hollow drying tray. The heating medium enters from one end of the drying tray and is exported from the other end. The dried material falls to the aggregate tray from the drying tray of the second layer, and is then transferred to the discharge port by the rake leaf.Enyl morpholine fungicide pan dryer equipment features:(1) Easy regulation and control1. The drying process can be optimized by adjusting the thickness of the material layer, the spindle speed, the number of rake arms, the type and size of rake blades.2. Each layer of drying disc can be separately passed into the cold and hot medium to cool or heat the material, accurately and easily control the temperature of the material.3. Accurately adjust the residence time of the material.4. The material flow is single, no back mixing phenomenon, uniform drying, no need to mix.(2) Easy to operate1. The driving and parking operation of the dryer is very simple.2. After the feed is stopped, the transfer material dirt rake blade can quickly empty the material in the dryer.3. Through the special large-size inspection door mirror, the equipment can be carefully cleaned and observed.(3) Low energy consumption1. The material layer is very thin, the spindle speed is low, the material transfer system requires little power and less power consumption.2. Drying by conduction heat, high thermal efficiency and low energy consumption.(4) Environmental protection1. Atmospheric pressure type: the airflow speed in the equipment is low, and the humidity in the equipment is low, and the dust is difficult to float to the top of the equipment, so the exhaust gas discharged from the top wet outlet almost does not contain dust.2. Closed type: equipped with solvent recovery device, can easily recover the organic solvent in the wet gas. Solvent recovery device is simple, high recovery rate, for flammable, explosive, toxic and easily oxidized materials, the protective gas can be used as a wet gas for closed cycle, so that it is safe to operate. Especially suitable for the drying of flammable, explosive and toxic materials.3. Vacuum type: disk dryer operated under vacuum, especially suitable for drying heat-sensitive materials.(5) Easy installationThe dryer is delivered as a whole, transported as a whole, just need to be hoisted into place, and installation and positioning is very easy.Due to the drying tray layer arrangement, vertical installation, even if the drying area is large, the floor area is small.Disc continuous dryer is an efficient conductive continuous drying equipment, its unique structure and working principle determines that it has the characteristics of high thermal efficiency, low energy consumption, small footprint, simple configuration, convenient operation and control, good operating environment and so on. It is not necessary to equip the cyclone dust collector that must be configured for spray drying, and the hot air is not used as the heating medium, so the product loss caused by the bad separation of hot air and dust with the tail gas entrainment will not occur. The new type continuous disc dryer is widely used in chemical industry, medicine, pesticide, food, feed, agricultural and sideline products processing and other drying operations.By adding fin heater, solvent recovery condenser, bag dust collector, pre-dryer, induced draft fan and other auxiliary machines, can improve its drying capacity, dry paste and heat sensitive materials, can easily recover solvent, and can carry out heating, cooling, calcination, sublimation, pyrolysis and reaction operations.Read More

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