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Onelpg150Polymer centrifugal spray dryers, polymer drying equipment, polymersLPG300 spray drying towerMain technical parameters:
1.1. Dryer model: LPG-150, LPG-300
1.2. Name of dry material: polymer.
1.3. Evaporated moisture: 140kg h 280kg h
1.4. Output of finished products: 75 kg h 150kg h
1.5. Solid content of slurry: 35 35
1.6. Discharging method: cyclone dust collector.
1.7. Dust removal method: bag dust collector.
1.8. Heating method: direct heating by natural gas.
1.9 Inlet temperature: 260
1.10 Outlet Temperature: 90
1.11. Total mechanical power: 34kw 13kw
1.12 Natural gas consumption: about 23nm[gf]b3[gf]h about 45nm[gf]b3[gf]h
1.14. Atomization form: mechanical transmission, high-speed centrifugal atomization.
1.15Equipment area: 9 7 95 meters (length, width and height) 11 10 11 meters (length, width and height).
2. Conditions for the supply of water, electricity, gas, natural gas, etc
2.1. Water supply conditions: Industrial water for cleaning from the water supply system of the factory to the spray drying section.
2.2. Power supply conditions: The power supply is supplied to the electrical control cabinet of the spray drying equipment in the spray drying section by the cable in the high-voltage distribution room of the factory: total power: 27kw.
2.3. Heating conditions: natural gas from the heating system of the factory to the spray drying section, with a calorific value of 8400 kcal nm[gf]b3[gf].
2.4. Conditions for supplying compressed air: the compressed air supplied by the factory to the spray drying section ** through the compressed air separated by the vapor and water, with a flow rate of 02m3 min, pressure 04～0.6mpa。
2.5. Lighting in the section: Unified arrangement and solution by the lighting circuit of the factory.
3. LPG150Polymer centrifugal spray dryers, polymer drying equipment, polymersLPG300 spray dryer drying tower drying equipment flow chart
Four, detailed description of the main components
4.1 heating system (natural gas direct heating) 1 set.
The furnace is made of 310S high-temperature resistant stainless steel plate, and the contact part with the hot air is made of 304, which is made of aluminum silicate for insulation, and the rest is made of Q235. The burner is imported from Italy. The material of the blower and cooling fan is Q235, and there are 2 sets of air filters.
LPG-150 burner model: RS28, power: 0 37kw；Blower model: 4-72-32a，2.2kw；Cooling fan Material: Q235, Model: DF-7,075kw。
LPG-300 burner Model: RS50, power: 075kw；Blower model: 4-72-36a，3kw；Cooling fan material: Q235, model: DF-8, 11kw。
4.2. Feeding system (frequency conversion control) 1 set.
The screw pump conveys, and the part in contact with the material is made of 304 material. The flow is controlled by frequency conversion speed regulation, and the material is transported to the atomizer at a fixed or adjusted speed, and the conveying pipeline is all 304.
LPG-150 progressive cavity pump model GF15-1, power: 075kw。
LPG-300 progressive cavity pump model GF20-1, power: 11kw。
4.3. 1 set of high-speed atomizer.
The spindle and gear are all processed by Changzhou Aircraft Factory. The strength of the spindle material can reach 150 kg after processing, the high-speed atomization disc and the material distribution tray are made of 1Cr18Ni9Ti stainless steel material, the dynamic balance is corrected, and the bearings in the atomizer are all imported from Sweden SKF bearings to ensure continuous operation for 7200 hours. The lubrication is made of aviation machinery oil, and then filtered twice to ensure the service life of the bearing. The power is 437kw。A set of atomizer lifting device.
4.4. Volute shell, 1 set of hot air distributor.
Hot air distributor SUS304 board fabrication;The hot air duct is made of 304 plate;Aluminum silicate is used for insulation. The hot air entering the drying tower has a uniform flow rate and a stable flow rate.
4.5. 1 set of drying tower.
The diameter of the LPG-150 tower is [GF]D8[GF]3300mm, the height of the straight part of the tower is 3050mm, and the angle of the bottom of the cone is 55°.
The diameter of the LPG-300 tower is [GF]D8[GF]4200mm, the height of the straight part of the tower is 3660mm, and the angle of the cone bottom is 55°.
The inner wall SUS304 plate is polished to the mirror surface, the wall thickness is δ=2 mm, and the outer layer is made of color steel decorative plate, δ=05 mm. The skeleton is made of channel steel, angle iron and Q235 materials. Mineral wool is used for insulation. One cleaning door, one set of lighting devices, and the observation hole is configured on the cleaning door. The cone is equipped with 6 vibrating air hammers (3 for the straight body and 3 at the bottom of the cone).
4.6. 1 set of material collection and dust removal system.
The humidification dust collector of the secondary cyclone dust collector is adopted.
LPG-150 cyclone dust collector, material 304, δ=2mm, polished to mirror, [GF]D8[GF]500mm, 2 in series, with 4 air hammers. Discharge through 1 silo and 2 vacuum butterfly valves, material: 304.
Wet dust collector, material 304, δ=2mm, [GF]D8[GF]700mm, with 1 circulating water pump, power: 075kw。
LPG-300 cyclone dust collector, material 304, δ=2mm, polished to mirror, [GF]D8[GF]700mm, 2 in series, with 4 air hammers. Discharge through 1 silo and 2 vacuum butterfly valves, material: 304.
Wet dust collector, material 304, δ=2mm, [GF]D8[GF]1000mm, with 1 circulating water pump, power: 075kw。
4.7. 1 set of emission system.
LPG-150 induced draft fan material is Q235, with air volume regulating valve plate, model: 9-26-45a, power: 75kw。
LPG-300 induced draft fan material is Q235, with air volume regulating valve plate, model: 9-26-56A, power: 22kw.
4.8 platform systems 1 set.
All are made of Q235 carbon steel profiles.
4.9. 1 set of electrical control system.
The shell of the electric control cabinet is made of Q235 δ=2mm material. In order to ensure the reliability of the control system, the key components and conventional components of the system are all brand-name products of domestic Sino-foreign joint ventures. The field cable is not included, and the field pipeline is the responsibility of the buyer.