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 U-type screw conveyor

U-type screw conveyor

Hot sale

[feed size]: ≤30mm

[production capacity]: ≤300t/h

[application scope]: It is widely used in grain, chemical industry, building materials, metallurgy, mining, electric power and other industries

[product introduction]: The shell of U-shaped screw conveyor is U-shaped, and the upper part can be equipped with groove cover or open feeding. There are U-shaped axial screw conveyor and WLS shaftless screw conveyor. Their conveying capacity is relatively stable, which is suitable for conveying small granular, powdery and small-sized materials

Sales Hotline: 0373-5419909

Product introduction

The shell of U-shaped screw conveyor is U-shaped, and the upper part can be equipped with groove cover or open feeding. There are U-shaped axial screw conveyor and WLS shaftless screw conveyor. The conveying capacity of both is relatively stable, which is suitable for conveying small granular, powdery, small-sized materials and other small-scale operations, and has no great restriction on the transportation site. Good sealing performance, can effectively avoid the dust phenomenon in the transportation process, has great advantages for the occasions with large dust and environmental requirements.
 
 U-type screw conveyor
 
The disadvantage is that the U-shaped screw conveyor is not suitable for long-distance transportation, and it is easy to crush fragile materials, and the cost is larger than that of belt conveyor. It is widely used in grain, chemical industry, building materials, metallurgy, mining, electric power and other industries. The commonly used specifications are U-type 200250300400500, and the length is 4m-50m. These requirements can be customized by the manufacturer.

 U-groove screw conveyor

Product features

1. Compact structure, space saving, beautiful appearance, simple operation, economical and durable.
2. It can not only transport light, soft, fine and ribbon floating materials, but also separate sand and water and press the dirt.
3. The equipment runs at a lower speed, stably drives, reduces energy consumption and improves work efficiency. Because the spirochete can also be used without shaft, the material is not easy to be blocked.
4. The noise of the equipment is low and will not cause noise pollution due to mechanization.
5. It has special advantages for conveying belt, viscous materials and easy winding materials, and has strong anti winding property.

 Model of U-type screw conveyor
 
Application and characteristics
 
1. Compared with other conveying equipment, U-shaped screw conveyor has the advantages of simple structure, small cross-section size, good sealing performance, multi-point loading and unloading in the middle, safe and convenient operation. Its disadvantages are serious wear and tear of machine parts, low conveying capacity, high power consumption and easy crushing of materials during transportation.
2. The environment temperature of U-type screw conveyor is - 20 ~ 50 ℃, the inclination angle of conveyor is less than 20 ° C, the conveying length is generally less than 40 m, and the longest is no more than 70 M.
3. U-shaped screw conveyor is a kind of conveying equipment widely used in chemical industry, building materials, grain and other departments, which can transport powder, granular and small pieces of materials.
 
 Quotation of U-type screw conveyor

working principle

The U-shaped screw conveyor uses the fixed spiral blade rotation movement and the linear movement to push forward the material transportation. The material moves forward in a spiral line, that is, the material is transported forward along with the rolling motion in the circumferential direction. When the screw shaft rotates, due to the gravity of the material and the friction force generated by the tank wall, the material can only move forward along the bottom of the conveyor under the push of the blade. The movement of the material in the middle bearing depends on the thrust of the material moving forward behind. The conveying of the material in the conveyor is essentially a sliding movement.

 How much is the u-screw conveyor

 
Structure and characteristics
 
The U-type screw conveyor is mainly composed of power unit, head assembly, U-shaped casing, shaftless or shaftless spiral body, wear-resistant lining plate, feed inlet, outlet, cover (if necessary), base, etc.  
1. Cycloid pin gear reducer or shaft mounted hard tooth surface gear reducer is adopted in the design of power device. The power device shall be set at the outlet end as far as possible during installation, so that the screw body is in tension state during operation.  
2. The head is equipped with thrust bearing, which can bear the axial force produced when conveying materials.
3. The casing is U-shaped, and the cover can be added or not on the upper part. The material is made of stainless steel, carbon steel or glass fiber reinforced plastic.  
4. The material of the spirochete is stainless steel or wear-resistant steel. It is difficult to manufacture because of the non central shaft design. The whole steel screw with certain flexibility is used to push the material forward.
5. The wear-resistant lining plate is non-metallic material with good wear resistance and long service life.
6. There are two kinds of inlet and outlet, which can be supplied according to the actual requirements of users.
 
 U-groove screw conveyor

technical parameter

U-type screw conveyor with shaft

Specifications Main technical performance Driving device Driving device Weight (kg)
diameter Length (m) Output (cement) t / h Speed (R / min) Reducer Motor
model speed ratio Power (kw)
U200 -10 nine sixty ZQ250 twenty-three point three four one point one seven hundred and twenty-six
U200 -20 nine sixty ZQ250 twenty-three point three four one point five one thousand two hundred and fifty-eight
U250 -10 fifteen point six sixty ZQ250 twenty-three point three four two point two nine hundred and sixty
U250 -20 fifteen point six sixty ZQ250 twenty-three point three four three one thousand seven hundred and fifty
U300 -10 twenty-one point two sixty ZQ350 twenty-three point three four three one thousand three hundred and seventy-three
U300 -20 twenty-one point two sixty ZQ350 twenty-three point three four four two thousand three hundred and forty-six
U400 -10 fifty-one sixty ZQ400 twenty-three point three four five point five one thousand nine hundred and eleven
U400 -20 fifty-one sixty ZQ500 twenty-three point three four eleven two thousand and forty-nine
U500 -10 eighty-seven point five sixty ZQ400 twenty-three point three four seven point five two thousand three hundred and eighty-one
U500 -20 eighty-seven point five sixty ZQ650 twenty-three point three four eighteen point five five thousand three hundred and eighty-nine
U600 -10 one hundred and thirty-four point two forty-five ZQ750 twenty-three point three four twenty-two three thousand eight hundred and eighty
U600 -10 one hundred and thirty-four point two forty-five ZQ850 twenty-three point three four fifty-five seven thousand and ninety
Shaftless U-type screw conveyor
Specifications Main technical performance Driving device Driving device Weight (kg)
diameter Length (m) Output (cement) t / h Speed (R / min) Reducer Motor
model speed ratio Power (kw)
WLS200 -10 nine sixty ZQ250 twenty-three point three four one point one seven hundred and twenty-six
WLS200 -20 nine sixty ZQ250 twenty-three point three four one point five one thousand two hundred and fifty-eight
WLS250 -10 fifteen point six sixty ZQ250 twenty-three point three four two point two nine hundred and sixty
WLS250 -20 fifteen point six sixty ZQ250 twenty-three point three four three one thousand seven hundred and fifty
WLS300 -10 twenty-one point two sixty ZQ350 twenty-three point three four three one thousand three hundred and seventy-three
WLS300 -20 twenty-one point two sixty ZQ350 twenty-three point three four four two thousand three hundred and forty-six
WLS400 -10 fifty-one sixty ZQ400 twenty-three point three four five point five one thousand nine hundred and eleven
WLS400 -20 fifty-one sixty ZQ500 twenty-three point three four eleven two thousand and forty-nine
WLS500 -10 eighty-seven point five sixty ZQ400 twenty-three point three four seven point five two thousand three hundred and eighty-one
WLS500 -20 eighty-seven point five sixty ZQ650 twenty-three point three four eighteen point five five thousand three hundred and eighty-nine
WLS600 -10 one hundred and thirty-four point two forty-five ZQ750 twenty-three point three four twenty-two three thousand eight hundred and eighty
WLS600 -10 one hundred and thirty-four point two forty-five ZQ850 twenty-three point three four fifty-five seven thousand and ninety

Product classification

1 Classification by internal structure
1. U-type axial screw conveyor is composed of three parts: screw machine body, material inlet and outlet and driving device. The drive device consists of motor, reducer, coupling and base. The shell is U-shaped, and the upper part can be provided with a groove cover. It is suitable for horizontal transportation and can open feeding. The bearing of middle crane adopts two kinds of structure, which are rolling and sliding interchangeable. It has small resistance, strong sealing, good wear resistance and long service life.
2. WLS shaftless screw conveyor, the main shaft of the equipment is welded by a spiral without shaft. It adopts the design of centerless shaft, which makes it difficult to make. It uses integral steel screw with certain flexibility to push materials forward. Generally, it is placed horizontally. If the inclination is too large, it will be easy to pile up, so its rotation speed can not be too large. It is mainly used in medicine, papermaking, beverage, chemical industry, food, environmental protection and other industries to transport materials with strong adhesion, paste viscous materials (such as malt, sludge, chemical raw materials, waste paper pulp, etc.) and winding materials (such as domestic garbage), which have unique advantages
2 Classification by material
1. Ordinary carbon steel U-shaped screw conveyor is mainly suitable for industries with large wear and tear, such as cement, coal, stone, etc., without special requirements for materials.
2. Stainless steel U-type screw conveyor is mainly suitable for grain, chemical industry, food and other industries that have requirements on the transportation environment. It has high cleanliness, and will not pollute the materials. It has a long service time, but it is relatively high cost.
3 Classification by drive mode
1. When the length of U-shaped screw conveyor is less than 35m, it is a single shaft driven U-shaped screw conveyor.
2. When the length of U-shaped screw conveyor is more than 35m, it is a double shaft driven U-type screw conveyor.
4 According to the type of intermediate crane bearing
1. The rolling crane bearing adopts 80000 type sealed bearing, and the shaft cover has dust-proof sealing structure. It is usually used in places where it is difficult to oil, do not add oil or the oil pollutes the materials. The sealing effect is good, the service life of the hanging shaft is long, and the temperature of conveying materials is less than or equal to 80 ℃.
Cast copper bearing, cast iron tile, wear-resistant bearing, grease bearing. It is commonly used in conveying materials with high temperature (t ≥ 80 ℃) or conveying materials with large water content.
 
 Drawing of U-type screw conveyor
 
Layout form
 Installation of shaftless screw conveyor

Maintenance

1. When the noise of U-type screw conveyor is harsh during operation, it is necessary to cover and check to eliminate the fault.
2. The conveying capacity of U-type screw conveyor should not be overloaded, otherwise the materials can not be discharged, which will cause the screw shaft bending and the box body swelling
3. Add lubricating oil to bearing, gear and chain regularly.
4. When the transmission medium is high, pay attention to whether the expansion and contraction change of the box is free and there is no stuck place. If there is a timely solution.
5. After the machine is out of service, check the wear of the spiral blade, and repair welding when the wear is serious.
 
 Parameters of U-type screw conveyor
 
 
After sale service of U-type screw conveyor
 
After arriving at your department, technical personnel shall be responsible for the installation.
2. Implement three guarantees for the sold products. During the three guarantee period, the manufacturer shall repair the quality problems caused by the manufacturer's manufacturing; for problems caused by improper operation or other reasons, the manufacturer shall actively assist the user to solve the problems, so as to ensure that the products are put into production in time and minimize the loss. If there are quality problems within the scope of repair, the manufacturer can be responsible for free maintenance. The manufacturer can provide the spare parts and accessories for the products to the users at the cost price.
3. We always adhere to the principle of quality first and customer first. We are on call and actively cooperate with users to ensure the smooth operation and maintenance management of products on site.

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