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O &M attention of air-compressor for concrete batching plant

1. Working condition for air-compressor shall be clean and dry. The air tank shall be put in the well ventilation position. Weld and heat treat work are not allowed within 15 meters diameter range; 2. Air tank and air piping shall be took hydrostatic test per two years, pressure gage and safety valve shall be tested per year; 3. Air-compressor shall be started under no-load condition, when it work normally, load operation is allowed; 4. The air piping shall be connected well before open the air supply valve, the piping system shall be unblocked and warped; 5. The maximum air pressure in air tank shall be not exceed the data showed on the label; 6. Air input valve, air output valve, bearing and other parts shall be without abnormal sound or superheat; 7. The air compressor shall be stopped immediately if the following situation happens; water leak, air leak or electricity leak; pressure gage, temperature meter, currency meter data exceed normal data; output air pressure rise suddenly etc

2017-02-09

Items need attention in operation of concrete bathing plant

Summer is a multiple rainy season, it will affect the work performance and capacity of the concrete batching plant. Especially in some Southeast Asia countries. The air will be moisture because of the rainy weather, We shall take some actions as below to assure the work performance of the plant. 1. Lubrication parts; for example, mixing shaft end. You shall start the lubrication device again even one work shift finished to avoid the rust; 2. cement residue; the cement will be residual on the inner wall of screw conveyor which is used to transit the cement because of the moisture, you shall clean it in time after the work shift finish. If find some unnormal work performance when it is working, you shall stop the plant immediately and check the machinery; 3. Electricity safety. Maybe the cable which is exposed in the air will be affected, please pay more attention to it.

2016-10-21

Common irregularity and solutions of JS concrete mixer

JS series concrete mixer is a practical twin horizontal shaft forced type concrete mixer. They are applicable to mix dry hard concrete, plastic concrete, flow concrete, light aggregate concrete, various mortars, etc. and they are suitable in roads, bridges, water projects or other industrial and civil projects. Here are some common irregularities and their solutions: 1. Mixing shaft stops running. The mixing shaft stops running or rotates slowly. Its reason is: (1) Serious overloading. Exceeding regular load can make mixing shaft rotate slowly. The mixing shaft will gradually stop running with the load becoming heavier and heavier. For this reason, operator needs to adjust the amount of feeding material and discharge the extra materials to decrease the load and make the mixing shaft rotate regularly. (2) Large objects between mixing blades and inside wall of barrel. It is caused by the oversize interval between mixing blades and inside wall of barrel. In general, it will go with a scre

2015-06-02

Performance Characteristics and Pouring Order of Concrete Pump

Concrete pump is equipped with high pressure clean equipment, which can be cleaned quickly and conveniently. Self-lubrication in bucket and cylinder. America PARKER seal parts, very thick chromium coat inside cylinder which makes sure 20,000m 3 concrete output. High low pressure conversion valve with patent, reduce the pressure on main hydraulic system and improve system efficiency with 20%. The followings are the performance characteristics of concrete pump: 1. Triple pump system. There is no mutual interference between hydraulic circuits and system runs normally. 2. Anti-pumping function. It is beneficial to eliminate the fault of pipe plugging in time and stop to feed materials in a short time. 3. Advanced S-pipe distribution valve. It can compensate the wear clearance automatically has good sealing performance. 4. Adopted with wear-resistance alloy materials, the glass-like plate and floating cutting ring have long longevity. 5. Long stroke material cylinder can prolong the service

2015-05-15

A Brief Introduction of Concrete Pump

The large concrete pump equipment is suitable for the large-scale concrete construction including building, high-speed road and flyover and so on. Concrete delivery pump or concrete pump is composed of pump body and pipeline. It is a machine used to convey concrete constantly through pipeline by pressure and mainly suitable for house building, bridge and tunnel construction. So far, it can be divided into sluice valve and S valve concrete pump. Another kind of pump truck puts the pump body on the automobile chassis and is equipped with a concrete placing boom which can be flexible and anaclastic. Fine Stone Diesel Concrete Pump Our company is always in line with the principle that honesty is the fundamental to be a man and also the business management of a enterprise. Therefore, the staff should bear in mind principles of Customer First, Reputation First, Quality First and Service First and then spread and flourish it. Since the establishment of our company, every member of company is s

2015-05-15

The Purchase and Shipping of Forced JS Concrete Mixer

The concrete mixer in Zhengzhou Hamac Machinery Co., Ltd. has features of high mixing quality, high-efficiency, easy operation and maintenance, low energy consumption, and the long service life of quick-wear part. Not only it can work independently, but also it can be adopted as the mixer in the concrete batching plant. It can be applied in all kinds of construction sites. The followings are advices given by Henan Daswell Machinery Co., Ltd. for the purchase and shipping of forced JS concrete mixer. The purchase: 1. The users should have a good knowledge of the specification and matching scope of the machine. 2. When the machine leaves the factory, bottom rail, crawling ladder, outrigger, guardrail and slouch are in the state of parts and components, and the others are complete machine assembly. 3. JS500 concrete mixer should be transported with cargo truck over 5t and hoisted with crane over 8t. 4. JS750 concrete mixer should be transported with cargo truck over 8t and hoisted with cra

2015-05-15

Concrete mixer to ensure good paint outside

For external use now concrete mixer to ensure a good finish: We use concrete mixing equipment have a very good surface finish, as well as specialized personnel to check the integrity of regular painting to keep the paint, so now there are a lot of users do not understand the reasons for doing so, facing such a practices do not understand some of the information contained in this and the benefits of concrete mixing equipment areas. This maintains the integrity of the paint mixing equipment can give the outward appearance of a good side, mixing equipment quality issues predominate, but if you can have a better view of the internal and external side, when customers choose certainly more of a competition force, high quality with beautiful machine that is not better yet? Maintain a good finish, but also can play a good role in environmental protection, there is paint protection, can be a good mixing equipment to reduce friction loss, reducing supplies of wear, it also can be a good cost sav

2015-05-12

The microcomputer control system of concrete batching plant

The most critical electrical equipment for concrete batching plant is a microcomputer control system, and its status is good or bad relationship to the yield and quality of the commodity concrete. Domestic commercial concrete mixing plant is basically using a microcomputer control system. There are basically types: 1. The early weighing instruments SBC system. 2. SBC (with display meter) host computer system. 3. Weighing instruments PLC host computer system. 4. IPC system. 5. Small industrial bus systems. 6. With weighing module (with display meter) the PLC host computer system. Complex due to the composition of the microcomputer control system, the fault location is also relatively difficult, In order to minimize the loss of production, it is necessary to achieve the rapid detection and location of concrete microcomputer control system failure. Concrete batching plant microcomputer control system fault detection idea is: It is familiar with computer control system works as well as a v

2015-05-12

The compulsory concrete mixer stir versatility

However, due to such concrete mixer stirring turned mouth inch concrete aggregate have a greater wear. Affect the quality of concrete, and inefficient, has gradually been replaced by compulsory mixer. Compulsory mixer truck drum is stationary and the rotating shaft of the inner drum by the number of the group are set to forced stirring blades, the stirring blades around the vertical axis or horizontal axis of rotation, the material is forcibly stirred until uniform mixing. Such intense agitation mixer, suitable for hard concrete and lightweight aggregate concrete, flowing concrete can be stirred with a good quality mixing, stirring speed, high production efficiency, easy operation and safety, etc.; but the power consumption blades wear quickly, usually need to use high-strength alloy steel or other wear-resistant lining material to do more for centralized mixing station. Concrete mixer compulsory mixer is a versatile mixing machinery, suitable for high-quality concrete mixing operation

2015-05-11

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