What is the advantage of a concrete batching plant?

Commercial concrete is in the hot market stage, and commercial mixing plant is widely used for its reasonable design and many advantages. So what are the advantages of the commodity concrete mixing plant?

1, can improve the quality of construction projects. The business mix mixing raw materials with stable, advanced production technology, using computer control, accurate measurement, testing means complete, stable and reliable quality, rich high strength, thus greatly improving the construction quality level building (structure).
2, it can shorten the construction period and improve the construction speed. Construction units use commercial mixing station, the construction speed increases, reducing equipment, racks, pipes, templates and other turnover rental costs; owners of units can shorten the construction cycle, reduce investment risk.
3, can reduce material waste. Gravel, cement mixing at the scene waste amazing, on-site mixing generally gravel loss in 15-30%, cement loss of about 10%.
4, can save the amount of engineering. Due to the stable and reliable quality of the commercial mixing plant, the design unit can avoid the “fat beam”, “fat column” and “heavy plate” according to the design of the mixing station”. Design saving is the greatest economy.
5, can improve and improve the performance of concrete. The business mix mixing station using mineral active admixtures (slag and fly ash and admixture, etc.) can greatly improve the long-term performance of concrete waterproof, antifreeze, anti cracking and abrasion resistance, can improve the service life of a building.
6, can improve the construction organization, reduce labor intensity, reduce construction management costs, technical difficulty and quality risk.
7, protect and improve the environment. Using commercial mixing station can save construction land, reduce waste of resources, improve working conditions and reduce environmental pollution.
8, can reduce the overall cost.
9, can improve the owners and construction enterprises image, enhance the level of urbanization.

How can I use a concrete batching plant with high efficiency?

The construction condition of the portable concrete batch plant is poor, the probability of the abnormal situation is larger if you never maintain the plant, the outcome concrete would be unqualified, the concrete mixing plant parts will be damaged. Thus, we can see how important the daily maintenance of mobile concrete batch plant is! It can increase the production with high efficiency,and find operation problem in time, that means you can reduce a lot of lost and gain a lot of benefit.

1, Make sure that the machine and the surrounding environment are clean.
2, Get rid of the product material residual inside the hopper in time, make the sensor back to zero normally.
3, Check the lubricating oil of every lubricating point, the oil mist detector of gas circuit system should maintain enough oil.
4, Check whether there is any overheating and abnormal noise on the motor and electric appliance. Check whether the instrument is normal, whether the signal system is in good condition.
5, Check and adjust the cylinder, solenoid valve and butterfly valve, make them open and closed up to the mustard.
6, Check the system frequently, if the system has the problem of ash, gas, oil and electricity leaking, you should handle this problem in a time.
7, The mixer and the hopper should be cleaned every four hours in order to avoid residual concrete consolidation and interfere the normal operation.
8, Each class should be put off the internal water of air compressor, air tank and filter, and eliminate the faults in the operation.
9, The maintenance of the butterfly valve, mixer, electromagnetic valve, air filter, oil mist device should be in accordance with the relevant specifications.

Concrete Mixer Cleaning Precautions

In order to normal use of concrete mixer and extend its service life, after using the mixer should pay attention to cleaning work, the following we look under the cleaning concrete mixer Note:

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  • First, regular maintenance procedures for the maintenance of the project, such as cleaning, lubrication, refueling, etc.
  • Second, the concrete mixer before the first check the controller is good, after stopping the water and stones into the mixing tube 10 to 15 minutes for cleaning, and then clear the water and stones. If the operator is required to enter the mixing cylinder to clean, in addition to cut off the power and remove the fuse, and to lock the switch box.
  • Thirdly, it is forbidden to remove the concrete accumulated in the concrete mixer barrel with a sledgehammer, which can only be removed with a chisel.
  • Fourth, in the cold season, after the completion of the application of water cleaning concrete mixer drum and water pumps, water tanks, water pipes within the net put, so as not to water pumps, water tanks, water pipes and other frozen.

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Debugging Method of Concrete Mixer in Concrete Mixing Plant

Concrete mixer is the cement, aggregate and water mixed and mixed into a concrete mixture of mechanical and concrete mixer debugging problems in the use of concrete mixing plant is very critical in the process, a direct impact on the concrete mixing plant equipment can No normal operation. Concrete mixing plant is widely used in commercial concrete mixing, pipe piles, components, hydraulic, marine and other concrete concentration mixing sites, and according to different process requirements and the actual needs of the design and manufacture, so that each (sets) equipment with distinctive professional quality.

Debugging Problem of Concrete Mixer.
1, the concrete mixer of the various settings to be reasonable. Power supply voltage: the additional voltage of 380 volts, the error is ± 10%; motor and electrical components of the wiring can be reliable, the distribution box shell must be firmly grounded. Power supply zero line is necessary to be delivered to the distribution box on the wiring board N, all pipelines should be properly placed to prevent the operation crushed into the formation of trouble.

2, regular inspection items. Regular inspection of the concrete mixer of the gearbox and the smooth parts of the smooth oil can be sufficient; to regularly check the forced mixer mixer mixing motor, two axle rotation direction should be consistent with the direction of signs, such as the direction of the wrong, should change the power wiring
3, launched discharge organization, unloading door opening and closing should be accurate in place. Start the pump hanging water, the water supply system should work; according to the required concrete ratio to determine the amount of water supply, and conditioning the moment relay to the corresponding water supply time. Start mixing motor work.
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Introduction of the main characteristics of concrete mixing plant

Concrete is the main material of today’s construction, the use of this material for us to help the role is relatively large. In life we ​​often use concrete to the concrete mixing station when processing and mixing concrete. For this device, I believe we are in life there is a certain understanding, then the characteristics of this device have what?

The concrete mixing station is mainly divided into four parts: gravel feeding, powder feeding, water and admixture feeding, transmission mixing and storage. The whole body is made of steel structure. The high quality H-shaped steel is not only beautiful in appearance but also strengthened The concrete structure of the concrete mixing station strength, equipment, convenient installation, can be applied to a variety of complex terrain structure.
Good mixing performance, the device uses a spiral double horizontal shaft forced mixing host, not only the mixer is strong, for dry hard, plastic and a variety of concrete can achieve a good mix of mixing effect. And stir evenly, high efficiency.
The concrete mixing plant not only has excellent mixing host, but also has a variety of sophisticated accessories, such as screw conveyors, metering sensors, pneumatic components, etc., these components to ensure that the concrete mixing plant in the operation of a high degree of reliability, accurate measurement skills and Long service life. At the same time, the concrete mixing plant maintenance stations are equipped with station or check ladder, mixing station, and has enough space to control, stirring the host can be equipped with high-pressure automatic cleaning system, with a function of oil and over-temperature automatic alarm function, service.

Concrete mixing station is composed of mixing host, material weighing system, material conveying system, material storage system, control system composed of five major systems and other ancillary facilities of the building materials manufacturing equipment, the main principle of its work is cement cementing materials, Sand, lime, cinder and other raw materials for mixing, and finally made into concrete, mixing station, as the wall material into the construction and production. Since the concrete mixing plant has been put into use, it has played an important role in the construction and construction industry of our country. Of course, this is also determined by the superior characteristics of the concrete mixing plant itself.

Good environmental protection function, in the process of running the machine, powder handling are carried out in the full block system, the use of high efficiency dust collector / spray spray and other methods greatly reduce the dust on the environment pollution, while the concrete mixing station on the pneumatic system Exhaust and discharge equipment are used muffler device to effectively reduce the noise pollution.

Operation of concrete mixing station operation table

Concrete mixer station before starting to check the following eight aspects: limit switch is normal, there is no alarm on the computer running interface; concrete mixer began to ramp, flat belt; start mixing console; start mixing station source air pressure Machine pressure 0.7MPa after the pressure to meet the surrounding; please disable the automatic production of concrete switches, “prohibited specific” documents;

Concrete mixing station control system manually “switch to” automatic “; then open the emergency stop button switch, concrete mixing plant and then through the manual console power supply, PLC and instrument power display normal, open UPS, open the computer to check.
The control station of the concrete mixing station is equipped with an emergency stop switch, the key switch is in the closed state, and the patch panel inside the console is in the OFF state, and the power switch on the main chassis in the absence of any load is turned off (in the case of a load , When the power switch off the cabinet may lead to collapse.
In the concrete mixing station control system self-test Note: mixed control system operation is not skilled, please strictly follow the following steps. Make sure the computer input signal is normal. Open the silo bottom plate valve, admixture, feed valve, pump and inlet valve aggregate storage silo full of material, clear the host, the middle of each object needs to be carefully checked.

Common troubleshooting and solutions for concrete mixing stations

Concrete Mixing Station Troubleshooting:

First, the mixer main motor does not move
Symptom: Press the mixer on the console start button, the mixer does not start.
Analysis of the reasons:

  • 1, air compressor is not activated or gas supply system pressure is not reached
  • 2, stirring the host maintenance protection switch and the host with a key tight stop switch is not connected.
  • 3, the console on the tight stop switch is not reset.
  • 4, the host power switch is not connected.
  • 5, the host stop signal must be reset.


  • 1, check the compressed air detection signal (greater than 0.4MPa pressure signal) is sent to the PLC, that is, I8.0 whether there is signal. If I8.0 no signal, then check the air compressor pressure is greater than 0.4MPa, when the pressure reaches 0.4MPa or more, I8.0 no signal, then check the electrical contact pressure gauge adjustment is normal or damaged until I8.0 signal.
  • 2, check the mixing console maintenance switch switch signal is sent to the PLC
  • 3, check the console on the tight stop switch is reset,
  • 4, check the host power switch is connected.
  • 5, check the host to stop the button is reset

Second, in the automatic production process, the ingredients station said good after the material unloading
Symptom: In the automatic production process, one or more aggregate said in the measurement bucket, do not discharge, the system stops running.
Analysis of reasons:

  • 1, to be hopper door is not in place.
  • 2, weighing instrument does not discharge the output signal.
  • 3, the belt machine is not started.
  • 4, aggregate said fine door is not in place.
  • 5, aggregate must define the discharge order.


  • 1, check the hopper to be bucket valve is not in place or close the door, close the door, I6.7 signal.
  • 2, check the aggregate weighing instrument is unloading output signal, stone 1 discharge I0.4, stone 2 unloading I0.7, sand 1 unloading I1.5, sand 2 unloading I1.2.
  • 3, check the belt machine is started.
  • 4, check the aggregate of the fine door is closed in place, stone 1 fine closed door I8.2, stone 2 fine closed door I8.3, sand 1 fine closed door I8.5, sand 2 fine closed door I8.4.

Third, the oblique belt is not moving
Symptom: After the mixer is started normally, press the beveled belt start button on the console, and the oblique belt does not start.
Analysis of the reasons:

  • 1, the mixer did not start.
  • 2, oblique belt maintenance stop switch is not reset.
  • 3, oblique belt machine power switch is not connected.
  • 4, oblique belt machine stop button switch is not reset.

Reason and Corresponding Solution of Gas Supply Fault in Concrete Mixing Station

Concrete mixing station gas source failure and solution:
(1) air compressor failure are: check valve damage, piston ring wear serious, damage to the inlet valve and air filter blockage.
To determine whether the reversing valve is damaged, only in the air compressor automatically shut down ten seconds later, turn off the power, hand wheel to move a large tape pulley, if more easily turn a week, then check the valve is not damaged ; In addition, the anti-valve has been damaged; In addition, can also be from the automatic pressure switch below the exhaust port to determine the situation, usually in the air compressor automatically shut down after about ten seconds to stop the exhaust, If the exhaust has been stopped until the air compressor starts again, it means that the check valve has been damaged and must be replaced.

When the pressure of the air compressor is slow and accompanied by the phenomenon of oil, indicating that the air compressor piston ring has been seriously worn, should be replaced.
When the intake valve is damaged or the air filter is clogged, the pressure on the air compressor will also rise slowly (but there is no oiling). Check, the palm of your hand can be placed on the air filter inlet, if there is hot air to the top, then the inlet valve has been damaged, to be replaced; if the suction is small, the air filter is generally dirty, The filter should be cleaned or replaced.

(2) failure of the valve are: the pressure is not high, or the pressure rise slowly. Pressure is not high, often due to pressure spring breakage or diaphragm caused by the rupture, must be renewed; pressure rise slowly, generally caused by the filter was blocked, should be removed cleaning.

(3) pipeline failure are: pipe joints leak, hose rupture, condensate accumulation and so on.
Pipe joints leak and hose rupture from the sound up to determine the location of the leak, should be promptly repaired or replaced; if the pipeline is condensed with condensate, it should be drained in time, is characterized in the winter of winter condensate easy to knot Ice and block the air.
(4) Compression air handling components (triple body) failure: oil and water separator failure, pressure regulator and oil mist failure.
Oil and water separator failure is divided into, filter blockage, damage, the movement of moving parts of the valve is not flexible and so on. Work to always clean the filter, remove the oil and impurities in the sewage.

Installation of cement silos in concrete mixing stations

The concrete mixing station in the cement warehouse in the installation process precautions
(1) In the concrete mixing station, the ground bolts of the cement warehouse in the concrete mixing station are poured into the foundation pit. After adjusting the center line of the cement silo bracket and the centerline of the foundation, the above four flanges are adjusted on the same level (measurement method: the theodolite Or diameter 8-10 transparent plastic hose plus color water measurement method), you can choose the concrete pouring. Pre-pit pouring concrete grades should be higher than the base of concrete used in the winter construction, in order to shorten the duration, the use of concrete should be added early antifreeze. To be solidified concrete 5-7 days before the installation of cement warehouses, cement warehouse installation, the need for the use of theodolite on the cement body vertical measurement, the vertical degree of one thousandth of the height. To shorten the duration, the infrastructure can also be used to replace the anchor bolts with embedded parts to fix the cement bin or mixer.

(2) the installation of the mixing plant in the concrete mixing station: the mixer under the chassis of the appropriate appropriate pad, with the hinge will be connected with the host and the bridge, installed cement scale, water scale, additive scale, you can lift, measurement And adjust the host chassis, so that in a horizontal state, the center line of the legs and the center line after the center line can be filled with anchor bolts in the pit (or the base and the embedded parts of the welding).
(3) the installation of other parts of the concrete mixing plant: concrete mixing station in the host and the cement tank after the installation of the installation, you can install the screw conveyor, before lifting, check the lubrication point filling oil and grease, to be empty Test, find the problem in time to solve the installation of parts of the machine, according to the requirements of the base map in place, a small batching machine placed in a solid foundation pier can be on the surface, large batching machine requirements pouring anchor bolts, the mechanical part of the installation of the end , Check all the lubrication points of various equipment with lubricating oil (winter in winter to be replaced for low temperature conditions of lubricating oil) or grease, you can according to the instructions and electrical schematic diagram of the wiring and the empty running test.

Concrete mixing station to stop the rotation how to solve?

What happens when the concrete mixing station stops turning? I’ll teach you.
1. The concrete mixer is overloaded to cause the stirring shaft to stop, just adjust the feed volume, discharge the excess material, reduce the stirring shaft rotation load can be.

2. Side leaves and the inner wall of the stuck material, the mixing shaft before the stop will often have sharp harsh friction sound, this happens, the need to immediately stop the inspection, manual removal of foreign body, re-adjust the concrete mixer mixing blade or side The gap between the leaf and the inner wall of the tank.
3. Concrete mixer motor drive belt is too loose, just after the adjustment of the concrete mixer motor drive belt tension can be.