显示标签为“mobile asphalt mixing plant”的博文。显示所有博文
显示标签为“mobile asphalt mixing plant”的博文。显示所有博文

2016年8月28日星期日

Zhengzhou Subway used HZS120 concrete plant

HZS120 concrete batching plant for Zhengzhou Subway Construction in March 2008.
Our self-owned patent JS2000, a symbol for performance and reliability. Day by day, they achieve maximum outputs. Non-polluting, with low maintenance costs and little wear.
Our main concrete batching plant equipments include:HZS25 concrete batching plant;HZS35 concrete batching plant;HZS50 concrete batching plant;HZS60 concrete batching plant;HZS75 concrete batching plant;HZS120 concrete batching plant;HZS180 concrete batching plant
If you have any order or demand, please contact us.
Email:mark@haomei.biz

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.

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 .