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304SS 500kg/H Chemical Vibro Horizontal Continuous Fluidized Bed Dryer

304SS 500kg/H Chemical Vibro Horizontal Continuous Fluidized Bed Dryer

500kg/h horizontal fluidized bed dryer

304SS horizontal fluidized bed dryer

vibro continuous fluidized bed dryer

Place of Origin:

CHINA

Brand Name:

XINYU

Model Number:

ZLG

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Product Details
Products Name:
ZLG Series Vibrating Fluid Bed Dryer
Raw Material:
304SS/316SS
Feature:
Button Type
Application:
Food,feed,pharmaceutical Products
Highlight:

500kg/h horizontal fluidized bed dryer

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304SS horizontal fluidized bed dryer

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vibro continuous fluidized bed dryer

Payment & Shipping Terms
Minimum Order Quantity
1
Price
USD
Packaging Details
Wooden carton packing
Delivery Time
40-50 days after the down payment
Product Description

ZLG6-0.75 Linear Vibration Fluidized Bed Dryer

 

Equipment overview:

 

Vibrating fluidized bed dryer, referred to as vibrating fluidized bed, is a new type of fluidized high-efficiency drying equipment suitable for drying granular and powdery materials. It has the advantages of easy operation, energy saving and environmental protection.

Principle of vibrating fluidized bed drying: the air blower filters the ambient air through the primary and medium-efficiency air filters and heats it to the set temperature by the steam heat exchanger, and finally enters the bottom of the fluidized bed through the pipe as a heat source for material fluidization and drying. The wet material enters the bed plate (perforated plate) inside the machine from the feed port of the upper bed body. Under the action of the excitation force of the vibrating motor on both sides of the fluidized bed, the material is thrown forward and continuously moves horizontally, and the hot air passes upward through the bed plate ( Perforated plate) is in contact with wet materials. The wet materials are suspended in the hot air to produce a mixed bed of material particles and hot air, which is like a liquid boiling, and conducts heat transfer and moisture transfer between the material and the hot air. Under the action of the heat exchange, the hot air entrains water vapor and fine material particles and is discharged from the air outlet of the induced draft fan after being dusted by the cyclone separator and the bag filter.

After the material is dried, it continues to move forward. Cool air is used at the bottom of the fluidized bed. A partition is made in the lower bed of the fluidized bed to distinguish the cold air from the hot air. After the material comes into contact with the cold air, heat and cold are exchanged. Reduce to achieve the desired effect, and finally discharge from the discharge port, and share the dust collector and induced draft fan with the drying section.

When the material is thrown forward and continuously on the bed plate (perforated plate), a small part of fine particles will fall from the orifice plate to the inner bottom plate of the fluidized bed. The bottom plate is parallel to the bed plate (perforated plate) and is also under the action of vibration. The material is thrown forward continuously along the horizontal direction, and finally is automatically discharged from the dust removal port of the fluidized bed floor.

The vibrating fluidized bed dryer is widely used in the drying of powdery and granular materials in the chemical, pharmaceutical, food, dehydrated vegetables, grain, and mineral industries.

During operation, the materials are uniformly and continuously fed into the vibrating fluidized bed through the feeder. At the same time, the air is heated to a certain temperature after being filtered, and enters the downwind chamber of the dryer through the air inlet. After the material falls on the distribution plate, under the dual action of the vibration force and the hot air flow through the air distribution plate, it will be in a suspended state and contact the hot air flow. After adjusting the feeding amount, vibration parameters, wind pressure and wind speed, the material bed forms a uniform fluidized state. There is fierce turbulence between the material particles and the heat medium, which strengthens the heat and mass transfer process. The dried product is discharged from the discharge port, and the evaporated water and waste gas pass through the cyclone separator and the bag filter to recover the dust. After being discharged into the atmosphere. Adjusting the relevant parameters can easily change the processing capacity of the system within a certain range.

 

Technical description of key components of the system:

1. Upper body

The upper bed body separates the drying area from the atmosphere to prevent dust from leaking and causing environmental pollution. The upper half is larger than the lower half, so the wind speed at the upper part is lower than the lower part, which is conducive to particle sedimentation, reduces the amount of dust entrained, and reduces the collection of dust collectors. The amount of dust is less, and it is more environmentally friendly. The arc-shaped structure at the top of the upper bed body makes the rigidity better, the interior is easy to be polished and polished, and the finish is good, and no dust adheres to it.

The upper bed body is usually a thin-walled structure with a thickness of about 3mm. In order to prevent large elastic vibrations from the side wall, a section of welded reinforcing ribs is required on the outside. The upper bed body is provided with exhaust outlets for exhaust air. Taking into account the strength of the upper bed body, it is generally made in a round shape, and 4-6 air outlets are generally made according to the size of the fluidized bed. The upper bed body is equipped with a quick-fitting sight glass, which is used to observe the dry state of the material and can also take into account the function of the hand hole. The upper body uses a quick-fitting access port, which is convenient and fast to open and close. One end of the upper bed body is provided with a feed port, and the feed port has a valve plate to facilitate the adjustment of the feed volume.

2. Lower body

The lower bed body is the air chamber where the hot air enters and the bed board work together to complete the task of evenly sending the hot air into the bed. At the same time, the vibration motor is also installed on the lower bed body. The volume of the lower bed body is related to the uniformity of the pressure drop of the bed and the fluctuation of the pressure drop. For this reason, there must be a sufficiently large volume of the lower bed body, and the lower bed body must bear the dynamic load of all the vibrating masses, so The lower bed body should be designed as a box frame structure. The lower bed body must be equipped with a vibration motor, and the lower bed body should be larger than the upper bed body, generally 8-10mm. The outside is reinforced with channel steel and the inside is reinforced with round pipes. The lower bed body is divided into two air chambers with a partition board, one air chamber is ventilated with hot air, and the other air chamber is ventilated with cold air. The partition is kept a certain distance from the bottom of the lower bed body to facilitate the flow of material leakage and cleaning water from the bed.

The lower bed body is provided with exhaust outlets for exhausting air. Taking into account the strength of the upper bed body, it is generally made in a round shape, and 6-8 air outlets are generally made according to the size of the fluidized bed. The lower bed body is a box structure, and there will be dead corners after the bottom plate and the side plates are bent and welded. In order to prevent the accumulation of materials and facilitate cleaning, a triangular plate is welded on the dead corner to close. The lower bed body is provided with a dust removal port below the discharge port. The dust removal port is made of rounded squares, and a blind plate on the top is connected by quick installation. There are many ways to absorb the shock of the lower bed, mainly using rubber springs and inflatable airbags.

3. Upper and lower bed flanges

There are mainly two ways to connect the upper and lower bed bodies. One is flange bolt connection, that is, the upper and lower bed body flanges are connected by bolts. This method is not very convenient for the cleaning and maintenance of the fluidized bed. In view of this situation, Our company designs a way that can be quickly connected and disassembled,

4. Bed board

The hot air passes through the perforated plate to make the material become fluidized in the vibrating fluidized bed. Experience shows that the greater the open porosity, the more difficult it is to ensure the fluidization quality. The open porosity is generally in the range of 3%-10%, and the opening is normal. According to the equilateral triangle distribution, the diameter is mostly 2-3mm straight holes, you can also open a tongue-shaped hole at the feed end according to the humidity, and then open a straight hole at the back, or you can specifically design the bed board according to the material.

 

Equipment selection process design

 

(1), process design :

Serial Item Content
1 Dry system form Open
2 Drying medium Air
3 Feeding method Belt conveyor (provided by the Buyer)
4 Heating mode Steam
5 Dusting method Cyclone dust removal
 

(2),Basic process parameters:

Serial Item Parameter
1 Name of material Salt
2 Primary moisture content rate 13%~25%
3 Final water content rate 1%
4 yield 500kg/h
5 Dry air inlet temperature 90℃~130℃
 

 

(3), plant parameter :

Serial Item Single device parameters
1 Steam 220m2
2 Dry air fan 4-72-4A 5.5Kw
3 Fluidized bed model ZLG6*0.75
Power of motor:1.5kw*2
5 Cyclone dust extractor XF700
6 Cooling air fan 4-72 2.8A 1.5KW
7 Iinduced draft fan 4-72 5A 15kw
8 Total equipment power 25kw
9 Steam consumption ~280KW/h
10 Design temperature 90℃~130℃
 

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