2016年8月14日星期日

How to debug the electric concrete batching plant


1 Overview
In all electric concrete batching plant equipment installation, wiring and electrical control system and after the completion of the unit owners and suppliers of the person concerned after examination recognized by the mechanical and electrical and other relevant personnel to debug. Trial is to confirm the installation was successful, and the electronic control system wiring is correct, performance, and economic and technical indicators electromechanical equipment meets the requirements of the contract.
2. Preparation before test
2.1 All mechanical equipment should be related to the specification requirements for inspection and lubrication filling oil gear, rotated by hand if necessary, to ensure safety.
2.2 confirm that all electrical connections meet the requirements of the drawings, the wiring is correct, grounded. Confirmed that the supply voltage to meet the requirements.
2.3 Verify that the system air pressure is greater than 0.6Mpa, compressed air is dry and clean, and open the tank drain valve deflated sewage. 0.7Mpa air line to seal the pressure test, check all joints for leaks and promptly eliminated. After the air line pressure test, blowing pipe, oil mist filling 10 oil.
2.4 confirmation mixers, screw machine, tape machines, combined aggregate hoppers, aggregate storage, powder silos, water tanks, additives, etc. inside the box clean and free of debris.
3. No-load test
3.1 on the power switch and power button on the console and check the power supply is normal, check the emergency stop button is effective and reliable early warning signal, ready to load debugging.
3.2 itemized test each device to start and stop the motor (with scene buttons and console buttons to start and stop), check the motor rotation direction is correct; especially the twin-shaft mixer, to pay attention to its two electric motors turn, should be separately start confirming its motor after turning right before the merge starts. No-load running for 15 minutes, check the operating conditions and the degree of heat bearing.
3.3 itemized solenoid valves manual test button and the console button pneumatic actuator member (including arc gate, butterfly valves, ball valves, etc.) action is correct. Action should be no obstruction, creeping phenomenon. Pneumatic adjustment element group lubricator drip flow to ensure smooth operation of pneumatic components.
3.4 Check and adjust the limit switch, proximity switch operation correctness.
3.5 Adjustment nine hopper level, and to ensure that the door is closed tight arc, proximity switch on the cylinder. Said admixture to adjust the level of the bucket, to ensure verticality sensors. Static school scale: the computer is set in the state school scales with weights by one school scale and recorded, calculate static accuracy. Static accuracy of ± 0.1%, does not exceed ± 0.2%.
3.6 mixer idling test: no confirmation within twin-shaft concrete mixer miscellaneous foreign body after the first start of concentrated oil pump mixer bearing grease, and then start the mixer motor to run for 30 minutes and the normal operation, the stirring blade cylinder wall clearance is adjusted to <3 mm. (See mixers Instructions)
3.7 Check screw conveyor without confirmation miscellaneous foreign objects, one by one start screw conveyor, running 15 minutes without exception.
3.8 Start the tape machine, when feeder starts operation, the tape may not deviation, if any deviation adjustable rear tension bolts and self-aligning roller. It runs 15 minutes without exception.
3.9 No-load linkage test: computer manual and automatic mixing plant load linkage test systems, test equipment startup sequence is correct, the equipment and body movements are normal. Adjustment is completed, all of the mechanical linkage should be eight hours running-load test.
4. Overload test
In the no-load commissioning confirmed after passing system forms the basis of concrete on the material can be overloaded on test and production test. Overload test and production test can be combined.
5. Microcomputer function tests
In accordance with the computer operation manual for the upper and lower computer features one by one test, check the check print a single print or modify a single format.
6. The concrete test specimen
Concrete samples ultimate performance is affected by many factors, only as a reference test sample mobile mini concrete batching plant trials.
7. The test organization and test report
Test organizational unit by the owner, design units and technical support, the parties concerned in close cooperation. After passing the test performance, the parties sign the test report. professional concrete batching plant allowed into official use.

HZS35 small concrete mixing plant investment costs

The rapid development of the rural economy, to the concrete industry has brought good opportunities, increasing commercialization of rural concrete scale, 35 station as a small mixing plant of the main models, and want to invest in the growing consulting clients, its advantages and how it ?
Automatic concrete double 35m3/h concrete batching plant station, also known as Siamese station 35 is determined by aggregate, cement, fly ash, water, liquid additives and other materials to complete the storage, transportation, measurement, mixing and stirring process equipment for large ready-mixed concrete manufacturer, may have a variety of combinations according to the actual situation of the site.
Aggregate mixing console and enhance the use of twin-shaft JS750 compulsory mixer, aggregate batching part PLD1200 concrete batching machine, loaders materials, electronic scales measurement; keep cement from the cement storage, conveying screw conveyor, cement scales measuring; water storage tanks and the reservoir, water pump, water scale measurement. Stir in the liquid admixture admixture storage tank, pumped by a corrosion additive metering scales. Whole ingredients and stirring the whole process of control by the electronic control system automatically (can also be manually controlled), the control system can store a plurality of different concrete mix for the user at any time. The station structure is simple, easy installation, advanced system configuration, measurement and control systems using imported components, high reliability.
Double HZS35 concrete mixing plant Main features:
1, mixing console with 2 sets JS750 compulsory twin-shaft mixer, good mixing quality and high efficiency.
2 on aggregate materials in the lifting bucket, high efficiency, long life.
3, aggregate, cement, water, liquid additive ingredients are used in electronic scales measuring high dosing accuracy.
4, electrical control system using imported components, full-featured, reliable performance, easy operation.
Haomei Machinery has over ten years of experience in production outside the industry has a high reputation of the industry average, If you have any questions,please contact us.Email:mark@haomei.biz

2016年8月1日星期一

Concrete batching plant price is not immutable

Concrete batching plant customers in the purchase price of the equipment is an important consideration, I believe that customers have found that careful mixing station prices are not static, but there is a fluctuating, what is the impact of mixing station prices?
1. The level of raw material prices
Steel skeleton concrete mixing station, especially wear-resistant special steel consumption mixer, mixing station directly determines the price. A mixing station 90% by weight of steel, steel modest price increases will affect their prices.
wet mix concrete batching plant
2. The level of prices of purchased parts
In order to improve the quality of concrete mixing station, Concrete batching plant in some parts may be imported abroad, the purchase price of these parts is the level of the concrete mixing plant of the most direct factor in production costs.(Construction Cement Batching Plant)
3. Impact of labor costs
With rising prices, labor costs increased year by year, the production of a set of concrete mixing station a worker can not be completed, needs painting from the art design, welders welding, painting, erector installation and other layers of links, the cost of these wireless sometimes they tend to become the most direct factor affecting the price of the mixing station. To sum up, the price of concrete mixing plant will change with changes in the market, there is a certain fluctuation range. For the latest mixing station, please contract us ,in determining the type and station specific configuration, HAOMEI will provide you with accurate price.

Screw conveyor structural features

1, the screw shaft and bearing hanging, head, tail shaft connected using embedded Cam, installation, disassembly without axial movement, and easy maintenance. Mandrel length, hanging, fewer points of failure.
2, the use of adjustable structure, increase the hanging bearing volume, bearing contact with the material to avoid hanging, hanging bearing life of up to two years.
3, the transmission parts are floating connection, suspended bearings gimbal structure, the spiral, hanging bearing and tail assembly to form an integral spin float within a certain range with the transport resistance rotate freely avoidance, not the material, no blocking material.(batch plants concrete)
4, bearing the head and tail are in the housing, all bearings and seals with multi-layer sealing technology, long life bearings.
Screw conveyor has become an important link in the whole production equipment. Advanced structure, strong adaptability, low resistance, long life, easy maintenance, protection devices, complete screw conveyor is notable features.(modular concrete batching plant)
HAOMEI think before screw conveyor run, first to confirm screw conveyor equipment, personnel, goods are transported in safe state intact; Second, check all moving parts normally no foreign matter, check all electrical wiring is normal, normal to the belt conveyor into operation. Finally, to check the difference between the supply voltage and the rated voltage does not exceed ± 5%.hot selling concrete batching plant

2016年7月19日星期二

Asphalt Mixing Plant Combustion System

A brief summary of the asphalt mixing plant combustion system, a simple exposition of its several important factors to further improve our understanding of these areas, in order to facilitate the use of the process can be better controlled. But also on the maintenance of the combustion system is analyzed, in order to maintain and safeguard our equipment, give full play to its performance.
Burner heat is part mobile asphalt mixing plant for sand and gravel drying heating to provide heat, the effect of its use is directly related to the operation of the entire apparatus of the economy, an important indicator of the accuracy of the temperature control, flue gas emissions, as the asphalt mixing plant key components, the use of the burner adjustment is an important and complex work.
Atomizing burner according to the way into the pressure atomizer, atomized media, atomizing rotor
Working conditions of the combustion system
batch asphalt mixing plant
In the construction site equipment, the combustion system is working properly or not, the need to adjust the judgment, since the detection equipment and tools too complex, can not perform. Only through the flame color, brightness, a series of intuitive features to reflect the shape and determined only by observing the flame of this most simple and effective manner. In normal drying cylinder fuel combustion through the front cylinder portion observation hole saw flames should be: centered in the center of flame drying cylinder, surrounded by flames distribution does not touch the cylinder wall, full flame ignition point outlet (nozzle) away from the appropriate (do not burn nozzles); the flame length is about 1/3 of the drying tube length, substantially fills the entire combustion zone, a small fire length should not exceed 2m, the fire should not cause a long straight stitch to feed curtain; burner flame diameter generally require no more than 1.6m, adjusted wider as well. A clear outline of the whole flame, no smoke tail, outer ring without snow flake Mars, flame roots mist evenly without black bars, translucent smoke than flame, cylinder wall plate clearly visible; cylinder bore flame stability, flame orange yellow ~ between white, flame no abnormal noise or jitter. (asphalt batch mix plant)Flame diameter is too large can cause serious coke formation on the furnace tube, long flame will cause excessive damage to the exhaust temperature dust bag, will also make the material browning or oily material on the curtain thus affecting the quality of production materials .

Concrete Mixing Plant Screw Conveyor Model description

1.HZS25 concrete mixing station model is the use of conveyor length is 6 meters ø219mm, required number two.
2.HZS35 station also used in two ø219mm 6 m screw machines.
3.HZS50 Concrete Mixing Plant using three ø219mm 6 m screw conveyor.
4.HZS60 Concrete Mixing Plant using three sets of eight meters ø219mm spiral machine.
5.HZS75 Concrete Mixing Plant used ø219mm 8 meters long spiral machine, 2 sets of 8 meters ø273mm.
6.HZS90 Concrete Mixing Plant station screw conveyor 8 m ø273mm3 Taiwan, eight meters 1 ø219mm station.
The above description is also not fixed, it can be designed according to the actual situation.(construction machine concrete batching plant)
Haomei is a leader in China’s construction machinery industry. Haomei is capable of providing customers with construction machinery equipment。Our equipment is High production efficiency, safety and reliability. High quality seamless tube, the overall rigidity, free choice of work location and work attitude, no dust leakage, safe and reliable; optional universal ball to the supporting installation is easy to adjust the steering, while high tightness, but also to ensure the strength of the connection ; with good quality brand bearings to ensure efficient delivery.

2016 concrete batching plants price action and Price Predictions

Currently, due to the transformation of economic growth mode, hard, raw materials, financing and other costs continue to rise, to the enterprise caused enormous operational difficulties. On the other hand, China's economy after years of rapid development, has become the same type of equipment, excess capacity, deterioration of the market environment and other issues, China's mobile mixing station enterprises are concentrated in the low-end market, killing, and high-end equipment almost nobody cares. What measures should be taken to solve these problems in the future to achieve a breakthrough it?
Because a lot of the development of mineral resources, the amount of resources available to continue to decline, resulting in taste dwindling ore mining, smelting and other follow-up processing for beneficiation product quality requirements are increasing. At the same time, the human environmental awareness been intensified. These realities of mobile mixing station raised higher and higher requirements to promote mobile mixing station to keep the bigger, better direction and energy efficient development.
First mobile mixing station should transition the domestic market to the international market. Information age, mobile mixing aspects of global development should stand for, the use of global resources and platform to develop suitable equipment; the same time, in terms of sales but also a strategic vision of globalization, the market will be widened to a broader field.
Second, the manufacturing strategy mobile concrete batching station transition from a fixed mode to a more flexible way. With a variety of new industries emerge, mobile concrete mixing station must be able to meet the different needs of different customers. So manufacturers design mobile mixing station should be more diverse and flexible, improve the scope of application of the device.
Finally, the mobile concrete mixing plant should be transformed into a single manufacturing technology and other technology integration. Focus on the development of mobile mixing station in the integration of electronic controls, control software and other technology to effectively improve the production efficiency of the equipment.
Mobile concrete batching plant and development of the beneficiation process is synchronous, the process is dominant, the device is the foundation. The birth of a new type of mobile mixing station, beneficiation process often brings change. Technical level of equipment is a prerequisite not only the level of technology, but also directly affect the smooth flow of production processes and applications.
Scientific and technological progress, and mutual penetration of mutual integration between industries among scientific fields, extensive application of new structure, new materials, new technologies and new processing technology after another, mechatronics and automatic control technology, a strong promotion of mobile concrete batching plants and innovation to energy-efficient direction.