2013年10月31日星期四

Tube and trough screw conveyor difference

     Previous article described a shaft and shaftless screw conveyor distinction generally made ​​in the form of spiral slot machines and tube are two types , today on the tube

and trough screw conveyor plastic chain conveyor differences are described below:
    Tubular screw conveyor can also be called screw feeder , tubular screw conveyor inlet is added at the feed end of a feed, or feed hopper, while the trough screw conveyor is

part of the spiral tube body Restructuring the groove, the use of two kinds of screw conveyor is the difference between : a tubular screw conveyor machine

Smaller amount , and heavy duty conveyor the transmission distance is shorter than the trough screw conveyor , feeding amount is also somewhat different , tubular screw conveyor feeding amount less

than the trough screw conveyor . But the former also has a unique advantage: you can easily move , which can be welded to the tubular body casters, convenient and mobile ,

flexible and convenient

. And can communicate with each other vibrating screen supporting the use of screening equipment , to reduce production costs , improve production efficiency effect. Fully

enclosed screw conveyor screw conveyor and easy to clean surface , can ensure environmental sanitation and the delivery of materials from contamination, does not leak, torque,

energy

Consumption is low , due shaftless spiral , material clogging , the discharge opening is not blocked, which can lower speeds , smooth transmission, reduce energy consumption and

transmission capacity . Throughput is the same as a conventional shaft screw diameter 1.5 times . Long distance transport . Single conveyor lengths up to 60 m .

According to user needs , the use of multi-level series -mounted , ultra- long-distance transportation of materials . Can flex .

Mine belt conveyors in the production line application

    Belt conveyor is a continuous conveying equipment, has applications in many occasions , such as supermarkets , workshops , etc. These occasions can be said of the belt

conveyor is a relatively small bucket elevators belt conveyor. In coal mines, sand and gravel quarry , metallurgy, chemical industry, construction , building materials and other fields

Together have applied a standard mine belt conveyor , belt conveyor of this type in the production process assume a major role , belongs to a large transportation equipment,

typically used to silo or shaker 90 degree conveyor next affected device transportation of materials, can be up to a few kilometers away , should primarily

With a series of belt conveyor stationary belt conveyor TD75 , DT and large angle belt conveyor belt conveyor .
    TD75 belt conveyor widely used in the coal industry as a belt conveyor is used for conveying bulk , powder, granular or finished material handling equipment over long

distances . Widely applied in metallurgy, mining, coal , power plants, chemical plants, building materials, ports and other industries. Based on the input

Send different processes can stand-alone, multi-level multi-machine Relay transport .
    DT is the original type fixed belt conveyor TD75 type machine , DX two series of belt conveyors unified , replacement new product can be widely used in metallurgy, mining,

coal, ports, power plants , building materials , chemical industry , light industry, petroleum and other industries.
    DJ inclined belt conveyor is a kind of material can be inclined conveyor conveying equipment , conveyor angle ranging from 0 ° ~ 90 ° range. With corrugated sidewall

conveyor belt using the belt and transverse bulkhead in underground mining engineering , open pit mining , large-scale self-unloading peers and have adopted

The belt conveyor equipment can be used for coal, chemical, metallurgy, electric power, light industry, construction , ports and other industries ,

2013年10月30日星期三

Screw conveyor trends

Screw future trends will mainly the following aspects:
    1 , large capacity , high speed, long life.
    2 , environmentally conscious design , reduce pollution and achieve green design goals.
    3, the space can be curved Gravity roller conveyor conveyor . Horizontal and vertical screw conveyor lines are limited intelligent transport of materials , in recent years there has been flexible

screw conveyor , conveyor and other spring .
    4, the intelligent development . Future use of computers in close contact screw machine , suitable for process control, intelligent operation . Material handling,

installation and maintenance of the machine should be able to achieve intelligent management.
    5, low energy skate roller conveyor consumption and reduce energy consumption . The vast majority of screw machine energy consumption on the friction losses . Thus reducing the energy consumption

is the study and design of screw machine urgent problem and direction of development .
    6 , the combination of composite conveyor toward the large-scale development . Use screw conveyor , combined with a variety of continuous conveyor machinery, to complete the

complicated material handling. Including large-scale large transmission capacity . Single length and large transmission angle and other aspects.

Vibrating conveyor speed control method

    Vibrating conveyor is mainly used for horizontal or small angle case of transport in bulk or granular bulk materials , but also particle size of not more than 74μm

conveying powder materials. Throughput 90 degree turn conveyor craft often have certain requirements ( regularly changing ) , while the throughput due to the moisture content of the material

, Clay content , roller chain conveyor particle size , voltage fluctuations and other factors , will produce some change, so need speed . Vibrating conveyor speed control There are three ways :
    1, such adjustment of the amount of transportation requirements are not too high, the vibrating conveyor device of the vibration motor can be adjusted and fixed angle

between the eccentric block size to achieve speed, but the trouble is not slow ;
    2, with the drive to change the vibration of the motor speed to achieve speed , this method is speed performance, but the cost is high ;
    3 , with the general vibration motor regulator to change the voltage to achieve speed , speed performance , low cost, easy to use into the frequency .

2013年10月29日星期二

Screw the rules Introduction

Screw conveyor is commonly used in transportation equipment, rational use of screw conveyor can greatly reduce our production costs , including its use before the job , the job

, the job , the following January 1.
Screw conveyor safety procedures are:
First, the operator must ensure that sufficient classes before the break , to ensure energetic ; posts before to Wear flexible conveyor protective equipment.
Second, all the staff are not allowed to cross the conveyor screw conveyor during operation , are not allowed to open the cover , are not allowed into his body , or other debris

inside the screw conveyor .
Third, the torque converter Telescopic belt conveyor should be required to use the specified oil to maintain proper oil level , and add a protective cover.
Fourth, non- duty personnel on duty are not allowed to operate conveyors, non-native workers allowed to enter the conveyor corridor .
Fifth, strong overload conveyor screw conveyor is strictly prohibited .
Six , before operation
1 Press the technical operating requirements check the mechanical parts and no-load running test to confirm compliance with the requirements. Check the communication device

system, confirm contact signal clear and accurate.
(2) The inspection trials met the conditions of use , to confirm the control for safety and good safety records to confirm the time and confirm the name, archived for future

reference .
Seven , job
1 strictly in accordance with the control signal instructions for mechanical operation.
(2) Check the operation prohibited wear gloves mechanical parts .
3 on-site manual operation, the material to be self- terminus tail sequence starting after the front and rear ; spiral head from front to back loading terminus sequence

downtime.
4 in strict accordance with the material requirements of steering control output conveyor throughput , prevent material overflow warehouse, tank overflow tank or cause strong

squeeze .
5 are not allowed to open a variety of protective cover and tank cover shall not carry the machine repair, maintenance and dismantling .
6 To stop the job before unloading conveyor material inside , so that the machinery is in idle state ready for shutdown processing .
Eight , job
1 mechanical thorough cleaning , maintenance , lubrication and rust , machinery require water spray , shall close the electrical part cover to prevent water washout damp.
(2) on the transport corridor and the control of electrical machines for dust removal , dehumidification process , the liquidation shall be required to restore them closed

Screw the rules Introduction

Screw conveyor is commonly used in transportation equipment, rational use of screw conveyor can greatly reduce our production costs , including its use before the job , the job

, the job , the following January 1.
Screw conveyor safety procedures are:
First, the operator must ensure that sufficient classes before the break , to ensure energetic ; posts before to Wear flexible conveyor protective equipment.
Second, all the staff are not allowed to cross the conveyor screw conveyor during operation , are not allowed to open the cover , are not allowed into his body , or other debris

inside the screw conveyor .
Third, the torque converter Telescopic belt conveyor should be required to use the specified oil to maintain proper oil level , and add a protective cover.
Fourth, non- duty personnel on duty are not allowed to operate conveyors, non-native workers allowed to enter the conveyor corridor .
Fifth, strong overload conveyor screw conveyor is strictly prohibited .
Six , before operation
1 Press the technical operating requirements check the mechanical parts and no-load running test to confirm compliance with the requirements. Check the communication device

system, confirm contact signal clear and accurate.
(2) The inspection trials met the conditions of use , to confirm the control for safety and good safety records to confirm the time and confirm the name, archived for future

reference .
Seven , job
1 strictly in accordance with the control signal instructions for mechanical operation.
(2) Check the operation prohibited wear gloves mechanical parts .
3 on-site manual operation, the material to be self- terminus tail sequence starting after the front and rear ; spiral head from front to back loading terminus sequence

downtime.
4 in strict accordance with the material requirements of steering control output conveyor throughput , prevent material overflow warehouse, tank overflow tank or cause strong

squeeze .
5 are not allowed to open a variety of protective cover and tank cover shall not carry the machine repair, maintenance and dismantling .
6 To stop the job before unloading conveyor material inside , so that the machinery is in idle state ready for shutdown processing .
Eight , job
1 mechanical thorough cleaning , maintenance , lubrication and rust , machinery require water spray , shall close the electrical part cover to prevent water washout damp.
(2) on the transport corridor and the control of electrical machines for dust removal , dehumidification process , the liquidation shall be required to restore them closed

Stainless steel mesh belt and analysis of prospects for the development

In the international market , the stainless steel mesh belt products have been widely spread and applied , while the domestic current situation is that although some medium-

sized enterprises to start using Flexible Roller Conveyor stainless steel mesh belt assembly line production operations , but most enterprises are still the original artificial hand operation mode of

production

Style . This is China stainless steel mesh belt industry provides a vast potential market and prospects. Believes that the future of domestic stainless steel mesh belt market

prospects as follows:
One in product quality
But also on the yield and quality Power Roller Conveyor icing on the cake , to create a sophisticated , high-quality products , quality must be stable to be solid, not only to meet the exact process

requests , to ensure that the chain mesh belt mesh chain processing quality , while severely grasp enterprise manufacturing norms, every success goes to

Step progress abrasive tooling and manufacturing equipment, the use of chain life and stability robustness .
Two in the product categories
In stainless steel mesh belt on product categories have increased from time to time , not only to carry out horizontally , but also vertically launched , progressive product

breadth and depth to bedrock in the original extended from time to time extensions , and more important to Network access, trying to complete the development of large size

should strive

Network chain belt chain assembly machines.
Three on the number of products
In the mesh belt to be effective on a number of products increased and extended , not only to meet domestic mesh belt, mesh chain , chain enterprises growing consumer demand ,

but also to adapt to foreign consumption chain mesh belt mesh chain launched the latest situation and actively expand exports amount of active network chain belt for foreign

Chain enterprises to provide the needs of their network chain belt chain equipment .
Four in the manufacturing chain technology
In the manufacturing chain, either technically when developing new products and innovations will have a way out, not only to carry out domestic firm with existing equipment, a

variety of advanced research results chain , trying to reduce equipment with international advanced chain gap between more going to learn, digest international advanced

technology

Bedrock on the industry, academia , research new product development phase separation thoughts , to carry out sophisticated , efficient , pipeline, professional, automated

system linked the latest technology, invented with Chinese independent intellectual property rights of the modern advanced technology and manufacturing chain with chain .
Five in the implementation of applications
In implementing applications to speed up the implementation efforts, advanced technology and manufacturing chain with chain not only within the industry in the manufacturing

chain of large Chinese enterprises in the main rapid and timely application , but also to increase investment in the improvement of the whole industry chain system

implementation efforts, this will facilitate the opening of the chain equipment market

Show, further progress of the industry's overall level of the chain and manufacturing chain competitiveness of the enterprise center positive and important role.

Belt Conveyor Modern Automation Manufactory

Belt Conveyor Modern Automation Manufactory

2013年10月11日星期五

Development and Prospect of transportation equipment

Conveyor equipment will be toward the future large-scale development, to expand the scope, automatic sorting of materials, reduce energy consumption, reduce pollution and other

aspects of development.

Large transmission capacity, including large-scale, Food conveyor large single length and large transmission angle and other aspects. The length of the hydraulic conveyor belt has reached

more than 440 km length of nearly 15 km of single, and has appeared composed by a number of Taiwan Contact B two places "belt conveyor path." Many

Countries are exploring long-distance, large-capacity belt conveyor design transport of materials better continuous conveyor structure.

Expand the use of the conveyor, is developing in high temperature, low temperature conditions, corrosive, radioactive, flammable substances in the work environment, as well as

capable of delivering fiery, explosive, agglomerate, viscous material conveyor equipment .

TD75 type belt with common and DT Ⅱ type conveyors. Belt conveyor.

Plate conveyor features

A wide range of applications. In addition to the particularly large viscosity materials, in general, into pieces of solid material and can use it to transport;

2, the transmission capacity. In particular slat slat Conveyor System (commonly known as duplexes with ribs wavy slat conveyors) production capacity of up to 1000t / h;

3, the traction chain, high strength, can be used as long-range transport;

4, the transmission line layout flexibility. Compared with the belt conveyor, plate conveyor to the larger pitch and smaller Belt conveyor bend radius conditions of transport, so the

flexibility of layout. Plate conveyor inclination up to 30 ° -35 °, bending radius is generally about 5-8m;

5, in the delivery process can be classified, drying, cooling or assembly of a variety of processing;

6, smooth and reliable operation.

2013年10月9日星期三

Use of steel cord conveyor belt problems

Design and manufacture and use of steel cord conveyor belt for nearly 50 years. Use in mine production in good condition, the overall economic efficiency was significantly

superior to other modes of transport. But in material handling conveyor the long-term production practice, some industrial and mining enterprises found that the domestic steel cord belt conveyor surviving

in

Some questions:
1 , roller poor performance , life is short
( A ) short service life . Idlers manufactured abroad , the minimum life made ​​clear stipulations . Generally not less than 20000h. pallet conveyor Domestically manufactured roller, the minimum

life have not been clearly defined. Typically 5000-6000h. Worst of 200h or so. Steel Cord Belt Conveyor

Long distance conveyor idlers lot number , and sometimes up to tens of thousands . Because life is short roller , consumed in large quantities , not only a waste of a large

number of steel and bearings , but also to the use and maintenance of a lot of trouble , but a problem occurs , it will seriously affect production.
( 2 ) , running drag coefficient . The running resistance is large, resulting in the tape tension , drive power and energy consumption increases.
2, the tape strength is low , a short length single
Steel cord conveyor belt traction components are easily damaged , higher prices, the cost accounting package tape machine for about 50% . Tape strength level of quality of the

merits of the tape machine uptime , productivity and economic efficiency has a direct impact . Thus, with the open pit mining industry

The development of the world are working to improve the strength of steel cord belt and quality , and achieved good results.
3 , the main components of insufficient strength and rigidity . In the domestic mining production, the steel cord belt conveyor roller Jane , racks, tensioning device , the

braking device , feeding device and the drive unit and other components , there had been cracking, severe vibration and failure problems . There are not enough monitoring device

Perfect , affecting the transportation system to work properly. Especially in the feed point , because the funnel device design and tuning is not ideal, when the material comes

into contact with the tape by feeding a strong impact , especially when transporting container material , large blocks of material , the impact is more serious. This material

impact

Tape will be cut , smashed with a core , reducing tape strength and service life . It would also exacerbate the hopper internal wear and mechanical damage, reduce equipment

life.
4, the conveyor belt skidding serious

How to make steel cord conveyor belt will make it more long lifetime

Steel cord conveyor belt is mainly used for strength . The rope is the quality of life of the key reasons for the decision belt .
A wire rope conveyor belt to the following four :
1 should have a high breaking strength . High strength steel cord belt strength can be increased . On the other hand , high Flexible skatewheel conveyor strength steel cord , can reduce the diameter of the

rope , belt thickness can be reduced accordingly , in order to achieve size reduction conveyor , the purpose of reducing equipment investment .
2 the steel cord and the rubber has a high adhesion. This is for the use of vulcanized joints of great significance. Improve the industrial belt conveyor adhesion between the rubber rope with the main

measures in the rope surface plating brass and with hard rubber.
3 should have a high fatigue strength , in order to improve life.
4 should have good flexibility, in order to facilitate the operation of conveyor rollers after the change to the bend.

2013年10月8日星期二

Steel cord conveyor series

Steel cord conveyor ( belt conveyor ) series features and scope
1 , the technical characteristics : Conforms to GB10595 " conveyor technology" , used in coal mine Shihai meet ZBD93008 " coal mine belt conveyor technical conditions ."
2 Scope : DX Series is a high strength belt , suitable for long-distance, large capacity and distribution density of 0. 8-2. 5T / cubic meters of bulk materials . Meet ZBD93008

standards. Centralized coal mine 90 degree conveyor roadway is ideal transport equipment , the working environment temperature is generally -10

℃ - +40 ℃ range , running on tilt angle of up to 28 ℃, transported up to -25 ℃.
3 , structural characteristics : body is steel floor or hanging hold two kinds of forms , the drum is double width plate welding or welding structure . Single length up to

several kilometers. According to the plastic chain conveyor intensity of bandwidth and can be composed with 51 kinds of different products
4 , Ordering: user -hour throughput , conveyor length , installation angle or layout ) , working conditions and information finest original parameters , as well as spare parts

name, code and number .
5, the scope of supply: complete machine ( available free conveyor ) , supporting the electrical control and comprehensive protection. Spare parts supplied by order requirements

.

Classification roller

 According to the presence or absence of power : non-powered roller and powered roller into two categories, contain straight roller and taper roller type.

Results based on drive : power roller indeed 90 degree turn conveyor acting and can be divided into two kinds of product release .

Results based on drive : power roller can be divided into round belt drive ( with slot ) flat belt drive ( friction belt ) and chain drive ( with chain theory ) three

 Based bearing types : special fine bearing and special stamping bearings, bearing seat including steel seat and plastic seat .

 Based on cylinder material: using a variety Automatic Sorting Machine of materials, complete a variety of appearance disposal and contentment variety of different use cases demand walks materials


Depending on the device METHODS: Axial spring loaded and fixed mount type .