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SenVen Technology——Drying system engineering design and fabrication
Specializing in the production of drying, granulation, mixing, crushing, dust removal, transmission, drying equipment, etc., to provide a variety of non-standard equipment design, manufacturing and installation
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Drying equipment

Classification

PLG series disc continuous dryer

Category: Drying equipment

Introduction: Product IntroductionThe disc continuous dryer is an efficient conductive continuous drying equipment. Its unique structure and working principle determine its high thermal efficiency, low energy consumption, small footprint, simple configuration, conv…

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Product Introduction

The disc continuous dryer is an efficient conductive continuous drying equipment. Its unique structure and working principle determine its high thermal efficiency, low energy consumption, small footprint, simple configuration, convenient operation and control, and good operating environment. It is widely suitable for drying operations in industries such as chemical, pharmaceutical, pesticide, food, feed, and agricultural by-product processing. Highly praised in various industry usage practices. We currently produce and manufacture three types: atmospheric pressure, sealed, and vacuum, with four types: 1200, 1500, 2200, and 3000. A (carbon steel), B (stainless steel is uniformly distributed in the contact material), and C (based on B, stainless steel is added to the steam pipeline, main shaft, and support, and stainless steel is lined on the cylinder and cover). A series of products with three types of materials and a drying area of 4-180m2, totaling several hundred models, and can provide matching auxiliary equipment to meet the needs of users for drying various materials.


operational principle

The wet material is continuously added to the first layer of drying plate on the upper part of the dryer by the feeder, and the rake arm with the rake blade rotates to make the rake arm rotate and continuously flip the material. The material flows through the surface of the drying plate along an exponential spiral, and the material on the small drying plate is transferred to the outer edge and falls to the outer edge of the large drying plate below. On the large drying plate, the material moves inward and falls into the following layer of small drying plate from the middle discharge port. The large and small drying plates are arranged alternately up and down, allowing materials to continuously flow through the entire dryer. The hollow drying plate is filled with heating medium in the form of saturated steam, hot water, and thermal oil. The heating medium enters from one end of the drying plate and exits from the other end. The dried material falls from the bottom drying plate to the bottom layer of the shell, and is then transported by the rake blades to the discharge port for discharge. Moisture escapes from the material and is discharged through the moisture discharge port located on the top cover. The moisture in the vacuum disc dryer is discharged through the vacuum pump port located on the top cover. The dry materials discharged from the bottom layer can be directly packaged. By adding auxiliary machines such as finned heaters, solvent recovery condensers, bag filters, dry material backmixing mechanisms, and induced draft fans, the production capacity of drying can be improved. Drying paste like and heat sensitive materials can facilitate solvent recovery, as well as pyrolysis and reaction operations.

Performance characteristics

(1) Easy regulation and strong applicability

By adjusting the thickness of the material layer, spindle speed, number of rake arms, rake blade type and size, the drying process can be improved.

Each layer of drying tray can be separately heated or cooled by entering hot or cold media, ensuring accurate and easy temperature control of the materials.

The residence time of materials can be accurately adjusted.

The material has a single flow direction, no backmixing phenomenon, uniform drying, stable quality, and no need for further mixing.

(2) Easy to operate and operate

The operation of starting and stopping the dryer is very simple.

After stopping the feeding, the material scraper can quickly empty the material inside the dryer.

Through the special large inspection door mirror, the equipment can be carefully cleaned and observed.

(3) Low energy consumption

The material layer is very thin, the spindle speed is low, and the power required for the material conveying system is low, resulting in low power consumption.

Drying through heat conduction has high thermal efficiency and low energy consumption.

(4) Fuck



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Technical Characteristics

(1) Drying disc

Design pressure: generally 0.4MPa, with an upper limit of up to 1.6MPa.

◎ Service pressure: generally ≤ 0.4MPa, with an upper limit of up to 1.6MPa.

◎ Heating medium: Steam, hot water, heat transfer oil, and drying pan can be heated with hot water at a temperature of 100 ℃, saturated steam or superheated steam of ≤ 0.4MPa can be used at a temperature of 100 ℃ to 150 ℃, heat transfer oil can be used at a temperature of 150 ℃ to 320 ℃, and methods such as electricity, heat transfer oil, and molten salt can be used for heating above 320 ℃.

(2) Material Transfer System

Spindle speed: 1-10 RPM, electromagnetic or variable frequency stepless speed regulation.

◎ Rake arms: There are 2 to 8 rake arms fixed on the main shaft on each layer of drying plate.

◎ Rake blade: It is hinged on the rake arm and can float up and down with the disc surface to maintain contact, with various forms available.

◎ Rolling: For materials that are prone to clumping and need to be crushed, adding rolling at appropriate locations can strengthen heat transfer and drying processes.

(3) The shell comes in three types: atmospheric pressure, sealed, and vacuum

◎ Atmospheric pressure type: cylindrical or octagonal prism type, with two types of structures: integral and split. The main pipeline for heating medium inlet and outlet can be inside the shell or outside the shell.

◎ Closed type: cylindrical shell, capable of withstanding an internal pressure of 5Kpa. The main pipes for heating medium inlet and outlet can be inside the shell or outside the shell.

Vacuum type: cylindrical shell with a design pressure of 0.1Mpa, and the main pipes for heating medium inlet and outlet are inside the shell.

(4) Air heater

Generally used in situations with high evaporation to enhance drying efficiency.

Adapt to materials

Dry pyrolysis combustion cooling reaction sublimation

Organic chemical products, inorganic chemical products, pharmaceuticals, food, feed, fertilizers



specifications outside diameter mm height mm drying area m2 power Kw
1200/4 Φ1850 2718 3.3 1
1200/6 3138 4.9
1200/8 3558 6.6 1.5
1200/10 3978 8.2
1200/12 4398 9.9 2.2
1500/6 Φ2100 3022 8.0
1500/8 3442 10.7
1500/10 3862 13.4
1500/12 4282 16.1 3.0
1500/14 4702 18.8
1500/16 5122 21.5
2200/6 Φ2900 3319 18.5
2200/8 3739 24.6
2200/10 4159 30.8 4.0
2200/12 4579 36.9
2200/14 4999 43.1 5.5
2200/16 5419 19.3
2200/18 5839 55.4 7.5
2200/20 6259 61.6
2200/22 6679 67.7 11
2200/24 7099 73.9
2200/26 7519 80.0


specifications outside diameter mm height mm drying area m2 power Kw
2500/6 Φ3150 3319 26.3 4
2500/8 3739 35
2500/10 4159 43.8 5.5
2500/12 4579 52.5
2500/14 4999 61.3 7.5
2500/16 5419 70
2500/18 5839 78.8 11
2500/20 6259 87.5
2500/22 6679 96.3
2500/24 7099 105 13
2500/26 7519 113.8
3000/8 Φ3800 4050 48 11
3000/10 4650 60
3000/12 5250 72
3000/14 5850 84
3000/16 6450 96
3000/18 7050 108 13
3000/20 7650 120
3000/22 8250 132
3000/24 8850 144
3000/26 9450 156 15
3000/28 10050 168
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