mixing two practical

Practical real-time data management system to save mixing station production data. With a strong combination of queries and a variety of report output, automatic printing delivery notes.
Practical Slump Slump practical monitoring system monitoring system according to the displayed mixer concrete mixer machine, the operator can visually determine the slump of concrete.
Intermittent structural characteristics of cement concrete mixing station
Silo bottom discharge opening large warehouse is not expected to bagging (silos without vibrator), concrete mixer machine, feed less time to produce a car once feeding concrete cylinder movement frequency, long service life.
Silo feeding bucket to measure how much of the ingredients does not affect accuracy.
Ingredients time and rise time into one silo to the weighing hopper feeding time is short, batching time and enhance long time. Sufficient stability so that the sensor response time, small overshoot ingredients, improve load is small.
Strong pull belt speed using a computer, the inverter control, soft start and stop, the impact is small, less belt sticky material. Various aggregates in the base of the fixed period of time, mixing, to enhance the load evenly.
Using inverter, in a relatively short period of time to achieve high accuracy ingredients.

mixing station five high

System configuration in accordance with user requirements of high matching host internationally renowned brands, but also imports of selected key pieces of domestic assembly mixer.
Ingredients to achieve high precision inverter technology with the concrete mix plant and fine material. To achieve the required amount of crude with 90-95% fine with the ingredients to achieve better than 0.5% accuracy.
High reliability components such action cylinder operation frequency is low, but also because of gear with precast concrete plant while avoiding the impact of hard start, low failure rate and high reliability.
Guarantee high productivity
Cost-effective floor with a stirring performance, and cost only mixing 1/3 to 1/2.

intermittent mixing station system consists of

intermittent mixing station system consists of:
1, the mixing system is multi-dimensional foreign key components assembled precast concrete plant, users can also specify other foreign mixer.
2, the metering system Aggregate Measurement: Standard measurement using incremental method, improved use of electronic weighbridges Reduction Act metering; powder measure: mixers located above the cement and fly ash weighing hopper metering, Stabilized Soil Mixing Plant with a standard AC contactor control of the jack screw, no fine dispensing device; improved mixing with the drive to achieve the ingredients coarse, fine with. Water metering: the use of three-point suspension weighing mechanism, with a thick, fine with loops and other devices to ensure measurement accuracy. Admixture measurement: the use of sensor payloads directly with coarse, fine with loops and metering boxes, piping individually furnished, to ensure accurate measurement.
3, the dust removal system to establish an independent centralized dust mixing station for centralized processing, dust removal effect, and to avoid the negative impact of the powder mixer cavity to form measurement accuracy. Aggregate Aggregate feeding system uses a belt feeding elevated to the reservoir bucket. With a compact, high reliability, easy maintenance characteristics.
4, automatic control system uses a distributed computer system, centralized management, with reliability.
Improved concrete mixing station technical advantages: five sophomore practical

mixing plant advantage

A large output, high efficiency: Stationary conacrete plant, continuous mixing plant single high yield.
2, stir: the mixture into the mixer for the uniform material, the mixture was stirred in the mixer for the mixing process and stationary concrete batching plant, thus stirring time can be shortened.
3, does not leak slurry, wear: Continuous mixer feed end of dry material mixing and two shaft increases there are anti-helix. So there is no leakage of plasma problems. Mixers for wear-resistant material requirements are not high.
4, low failure: continuous mixing plant start and stop times of all devices is only 1/7-1/3 gap-type mixing station, so the device long life, low probability of failure

mixing station composed of five systems

Aggregate System: Includes three feeding sand bucket (according to different requirements may be two or four), respectively, for the measurement of gravel feed. Ready mix concrete plant sand bucket from the collection hopper, weighing sensors, gear, feeding belts and ancillary equipment and other components.
Powder system: storage silos, silos butterfly to enhance helix, measuring positions, disc feeders and other parts. Powder silos including the main warehouse and deputy positions, a single volume 100T-300T. Primary and secondary positions are positions with automatic broken arch, level signal indicating devices. Powder silos also with dust removal system.
Water and Admixture Systems: the additive tank, tank (or tanks), pumping stations,ready mix concrete plant and admixtures weigh hopper and piping components.
Transmission - mixing - Storage system: belt conveyor, mixers and blenders shelf components. Sand and gravel from the batching machine is loaded into the belt into the mixer. Fly ash, cement positions on the disc through the metering feeder and aggregates screw directly into the mixer.
Low-voltage electrical and automation systems include: power cabinets, sensors and control center and other three parts.

mixing characteristics

1) Host smooth: Raw materials for a relatively long time even into the mixer. No intermittent bursts feeding process.
2) the finished product into the car stable: Concrete mixing plants over a longer period of time into the car, no intermittent burst discharge process.
3) small footprint: reducing the large finished bucket and aggregates storage bucket, low profile, small footprint.
4) wear parts wear low: no impact steady stirring while stirring less.
5) Low energy consumption: Precast concrete plant is small, while stirring the less, even a small amount of raw materials into the mixer and mixed easily.
6) Use and maintenance costs low: structural part of a small, belt short, smooth.

Concrete Mixing Plant

Concrete mixing plant concrete mixing plant mainly by the mixing console, material weighing system, material handling systems, material storage systems and control systems and other five major system components and other ancillary facilities. Since F aggregate measurement and batch mixing plant station aggregate reduction compared to four intermediate links, and is a vertical cutting measure, saving measurement time, thus greatly improving the efficiency of production, the same type of case, Concrete batching plant of production efficiency mixing plant production efficiency third. For example: HLS90 floor production efficiency is equivalent to the productivity HZS120 station, HLS120 floor production efficiency is equivalent to the productivity HZS180 station, HLS180 floor production efficiency is equivalent to the productivity HZS240 station.

mechanical failure contingency plans

In order to ensure the construction progress, project quality control, prevent the concrete supply disruptions, particularly specify the emergency plan. 1, to prevent shutdown due to precast concrete plant caused by using two 400KW generator as a backup power source and switch with the city through the network connection is enabled immediately after power generators, standby generators must be checked regularly and maintenance (once every 10 days) to ensure good technical condition. 2, the usual attention to two sets of inspection and maintenance mixing station, it is always in good condition. Each mixing station personnel and equipment on standby. When one set of problems standing in the running, you can now activate another set of stations. 3, get ready, the availability of consumable parts, when glitches occur when mixing station, replacement parts can be processed in a timely manner. 4, to maintain contact with the factory service personnel if concrete mixer machine failure requires service personnel within 24 hours you must arrive at the scene and promptly deal with failure. 5, if the issues set of accessories damaged and could not stop in time repurchase, the two stations for the same type of accessories can be removed from another station to supply the urgent needs. 6, mixing station adjacent tenders should be in charge of concrete mixing station to keep in touch, communicate at any time, once the concrete supply shortage or interruption, timely request for support.

Strict control of waste discharge

Stabilized Soil Mixing Plant of waste emissions, concrete mixer truck cleaning emissions generated by waste need to put the location of abandoned waste water to be treated in the preliminary sedimentation tank before discharge. Mixing station every day after work must arrange for cleaning of the site, the concrete residue eradicate station and sprinkler dust, cleaning after reported webmaster acceptance. Prohibit concrete mix plant stations operating room operating personnel from entering the interior kept clean and tidy. Mixing station control room personnel must be cut off after work, power and water supply, shut doors and windows, in order to ensure the safety of indoors, but also can reduce dust floated into the room. Mixing station after specimen production station, clean the residual concrete. Aggregate warehouse cleaning must arrange 24 hours in order to maintain warehouse clean, timely aggregate subballast to clear, warehouses often sprinkling dust. Upon completion, carefully cleaning the debris, removal of temporary construction and waste shipped to the specified location.

mixing station environmental protection program

1, the Environmental Protection Act to seriously study and implement the relevant provisions of the local environmental protection department, in conjunction with relevant departments, stationary concrete batching plant, investigation and control state of the environment, urging the station staff to do the work environment, and accept the supervision of the owners and the environmental protection department guidance. 2, environmental protection and strictly abide by relevant state laws and regulations to control environmental pollution, to strengthen the ideological education of construction workers. 3, to properly protect the site surroundings, take effective measures to prevent pollutants from entering water sources, directly or indirectly, is strictly prohibited within residue dumped in rivers and canals. 4, the mechanical recycling or waste oil to be properly treated, precast concrete plant poured. 5, always keep the site during construction good drainage, construction of temporary drainage facilities, and with the permanent drainage facilities combined. Dry weather, pay attention to watering sites, reduce dust pollution of the environment. 6, during the strict control of the noise generated by mixing station, try not to affect the normal life of nearby residents.

mixing station civilized construction accountability

1, mixing station every day after work must arrange for cleaning of the site, the concrete residue eradicate station and Stationary conacrete plant, cleaning after reported webmaster acceptance. 2, prohibits non-mixing station operating room operating personnel from entering the interior kept clean and tidy. 3, mixing station control room personnel must be cut off after work, power and water supply, shut doors and windows, ready mix concrete plant to ensure the safety of indoors, but also can reduce dust floated into the room. 4, mixing station after specimen production station, clean the residual concrete. 5, aggregate warehouse cleaning must arrange 24 hours in order to maintain warehouse clean, timely aggregate subballast to clear, warehouses often sprinkling dust.

meter

Measuring instruments shall be affixed on the logo indicates its status, with different colors identify its state, the state is divided into: Qualified, restrictions on the use, Precast concrete plant, demotion, scrapped. Qualified validity of measuring instruments shall be marked and numbered, and the remaining states should indicate the start of its state. Legible identification shall ensure that, if the wear measurement management personnel should be replaced. Measuring instruments should be created files, including certificate of verification of measuring instruments, factory certificate, use and maintenance records, manuals, etc. Ready mix concrete plant metering device measuring instruments used in various departments to check measuring instruments in use to grasp the quality of the case. When used or found during the inspection of measuring instruments misalignment, should immediately stop their use, according to the actual situation by the metering member debugging or ask legal metrology institutes debugging, testing, no person shall be dismantled or adjusted. Measuring instruments instruments and equipment maintenance, maintenance by the owners Zhu Xiaohong responsible.

Handling Precautions mixing station

1) machine is turned on, open the emergency stop button, power indicator lights and fault means OK. 2) Blender work, flush switch precast concrete plant. 3) hopper is raised, is prohibited in the hopper below to stand, to avoid accidental injury. 4) concrete mixer machine, not free downtime. If the failure occurred in the middle should be immediately shut down, open the discharge gate mixer manual unloading of materials (artificial discharge must turn off all power), troubleshooting and then OK start. NOTE: The mixer can under no-load start. 5) mixer running process, not maintenance, overhaul must be shut down and turn off all power. 6) during operation, do not allow sand, gravel, etc. fall into the operation of the machine parts, hopper bottom of the sticky material should be cleared up in the net, so as not to affect the opening and closing of Doumen. 7) shall not exceed the load feeding the machine running.

mixing

(1) Concrete works only when needed by the number of mixing. Initial setting of the concrete has not used does not allow water or other means to change the consistency of concrete. Stationary conacrete plant should be consistent with relevant regulations.
(2) All mixing equipment should be maintained in good condition, and any non-compliant and non-compliant equipment in good condition, or defective concrete mixing equipment shall not be used for mixing shall vacate the site. (3) ready mix concrete plant work, various combinations of materials should be stirred into distribution, a mixture of the same color. Concrete mixing plant material per plate should not exceed the volume of the mixer indicated 10% of the rated capacity. In the cement and aggregates into the mixer, before part of mixing water added and stirring all the water within the first 15s uniform injection. (4) footwall material mounted as before, the mixer's mixing materials should be fully inverted light. More than 30min stirring device disabled, should be thoroughly cleaned before mixing mixer new concrete. Such as changing the type of cement, mixing equipment should be thoroughly cleaned.

concrete job Precautions

(1), the mixer should be shut down before the spiral conveying all the cement out of the tube shall any residual materials. (2), an orderly shutdown of the power ministries. (3), stir thoroughly cleaned warehouses,Concrete mixing plants and on-site, internal concrete must be cleaned. (4), periodically clean the air compressor air filter, exhaust gas cylinder of water and impurities. (5), the equipment for maintenance, according to the instructions provided for each lubrication point Precast concrete plant (grease). (6), the periodic inspection should be measured accurately weighing device, the error range: not more than 2% aggregates, powder, the dosage should not exceed 1%. (7), long-term without cement silo valve should be closed. (8), after the end of the winter operations should be clean water discharge.

concrete transportation Delivery Management

1, concrete mixer truck used transport, transportation scheduling and truck before mixing station operator must live view of transport routes, to ensure smooth transportation. 2, stationary concrete batching plant in transit to 4r/min speed agitation reached when pouring concrete mixer transport locations, should be high-speed rotation 20s ~ 30s, before pouring the concrete mixture unloading. Transported to the pouring of concrete place, the responsible attention, collecting concrete mixture into the mold slump and workability, and timely scheduling and duty to the Concrete batching plant testers feedback, to facilitate timely correction. 3, the first car arrived at the scene after the concrete work must be performed by the team (or work sites) technical director Verify Truck "concrete batching notice" data confirm technical indicators and pouring concrete and other parts used for unloading correct before pouring, or refund mixing station. 4, the entire process of pouring or filling operations team (or work sites) construction site person in charge at all times to maintain contact with the mixing station scheduling, easy speed control according to the site pouring concrete mixing transport speed, to ensure the smooth construction of concrete. 5, the concrete unloading is complete, the job queue (or work sites) commissioned a number of concrete sign and acknowledge the completion formalities, easy handling concrete use of clearing procedures.

mix concrete production process

1, mixing station scheduling based on job queue (or work sites) presented "concrete delivery notice" to issue official ready mix concrete plant, while making material preparation and mechanical equipment maintenance and other preparatory work. 2, mixing station under "Concrete delivery notice" ready to work, ready to notify the laboratory work is completed impose control personnel to reach the scene, check to make sure the readiness of various materials, and then follow the exact precast concrete plant entry computer systems. 3, mixing station and ready to work, touch operations team (or work sites) is ready to complete the construction site, to be mixing, pumping, filling and other aspects of the work are ready to complete, before the concrete production. Also check the check measurement accuracy and detection quality of concrete mixture, and make construction records.

Concrete Application Procedures

A concrete job prior to use each team (or work site) under the construction site, at least 6 hours in advance of "concrete delivery notice"  handed mixing station control room. "Concrete delivery notice" must be completed, accurate, clear handwriting,  batch mixing plant, demand-side capacity and construction site by the job queue (or work sites) technical director fill operations team (or work sites) and on-site contact person in charge phone must be complete and accurate, so that mixing station scheduling timely contact with the field. Not complete the signature of the "concrete delivery notice" mixing station scheduling the right to refuse to receive. 2, concrete demand is greater than 300m3, the operating team (or work sites) must be more than 48 hours in advance of "concrete delivery notice" be delivered to the precast concrete plant control room to be arranged in advance of raw materials, organizing personnel and mechanical equipment. 3, mixing station for job scheduling team (or work sites) presented "concrete delivery notice" good sign and acknowledge acceptance procedures, you must accept the endorsement of time and the author

concrete mixing station management

1, mixing station staff must be trained in pre-service, can be trained to master the mixer performance, serious and responsible work; 2, Stabilized Soil Mixing Plant staff are technically under the guidance of the laboratory work, shall be required in accordance with the laboratory to do, and to actively cooperate with the laboratory work, a good grasp of raw materials entering the hurdle: the approach of all the sand, stone frequency self-test chamber in addition, each mixing station Members of each car rewinding gravel material in the visual approach is abnormal, the laboratory must be notified to come and after laboratory confirmation consent before unloading, to eliminate substandard aggregate approach; 3, concrete mixer machine former staff first check whether Yuncheng normal blender to confirm normal operation can be carried out after the concrete mixing; 4, concrete mixing and staff must be strictly in accordance with the laboratory provides concrete construction for mixing ingredients alone, not free to change, if found, the first time for persuasion and education, and the second for a fine deal, the third clear mixing station; 5, with the ratio adjustment, concrete mixing process due to material changes or other reasons. Mix needs to be adjusted, the staff should be timely notified laboratory, laboratory personnel according to the actual situation with the ratio adjustments. Mixing station staff mix has no right to be adjusted if it is found to be severely dealt with;
??26 different grades of concrete, cement used is not the same species, should be separated from mixing. Replacing the same mixing machine mixing ratio must be empty hopper, cleaning blenders, personnel replaced by the test can be carried out with the mixing ratio.

concrete mix control

1, Engineering Department estimated at nearly two days on a brief meeting daily amount of concrete to ensure a continuous supply of cement. 2, two hours before the official for concrete, engineering and stationary concrete batching plant to determine the amount for concrete grade and square. Half an hour before the opening, notification by the Engineering Department, and the opening card to mixing station. Once the two sides confirmed engineering time, mixing station and proper arrangements required by beam field equipment and vehicles shall be maintained for production. 3, and finally after a process of construction, quality control engineers acceptance, fill opening and signed certificate signed by test personnel → → → Engineering Department handed mixing station after the signing of team leader. Open Content license shall state: material units, concrete grade, precast concrete plant, the use of parts, quantities and with concrete time. 4, mixing station team leader with the concrete mixing station truck driver scheduling contact, master site infusion schedule, in order to avoid supply is not timely or vehicle backlog concrete solidification. Finally a car side volume adjustment according to the situation, to prevent waste. 5, mixing station must be filed in triplicate concrete made of materials, must be filled concrete level, the project name, station or location, quantity, unit of time and the use of concrete issue. Appearance when mixing station duty officer signed by the concrete transport vehicle drivers to use onboard, the signature by the consumer recognition. concrete mix plant to retain a joint. 6, concrete sends the material distributed throughout the day every day should be a single material concrete construction site summary report of supplies departments to ensure proper requisition content writing and signed complete. 7, in order to ensure the quality of concrete, on sand, stone, cement must be strictly controlled, laboratory investigations required to be seized materials, good records and found unqualified, immediately stop feeding, and promptly identify the cause.

mixing station equipment operating regulations

Mixing equipment should be installed smoothly, there is zero protection grounding, maintenance personnel into Stabilized Soil Mixing Plant, cut off the power lock switch boxes, hand care; hopper mix in the hopper rises, no one working under the hopper and Stationary conacrete plant, cleaning feeding pit when the hopper chain hanging buckle securely; hopper insurance-linked using normal; transmission parts are shielded solid operating platform.

mix mixing station identification card shall meet the following requirements

(A) mixing machine concrete mix signage should be hung prominently in the operating room before, Stationary conacrete plant. Signage production and installation should comply with "safe and civilized railway construction project site sign" - Iron know 16 requirements. (2) identification card shall include design and construction of concrete mix, time, aggregate calculations and stationary concrete batching plant, the amount of each plate of various materials, slump and so on.

mixing station raw materials shall meet the following requirements stacking

(1) Select the size according to project the number of bulk cement storage tanks, the bulk cement by different manufacturers, varieties, concrete mix plant, lot of cans saved. (2) use of fly ash storage silo. (3) coarse aggregate in a hierarchical storage, coarse and fine aggregates shall be stored in the passing zone and area to be tested, with the wall separating wall height of not less than 2m, shall not be mixed positions in a variety of materials and the use of cement mortar surface, the positions of the slope of the ground set, not water. And set explicit signs, signs of the production and batch mixing plant comply with "safe and civilized railway construction project site sign" - Iron identify six requirements. (4) including hopper and wood, including all additional storage space must be light steel roof, steel roof bagging line height 7m. (5) sand and gravel storage yard aggregate washing areas should be set one-way drainage slope; feeding channel should be combined with mixing station batching equipment parameters for flat and slope settings. (6) should be required to carry aggregate material quality inspection status identification, identity includes material name, origin, size, quantity, feeding time, inspection status, the test report number, test batch and so on.

venues handle mixing station shall comply with the following requirements

(A) mixing station's main venue should be concrete hardening, hardening capacity venue to meet operational requirements. Concrete mixing plants according surrounded by low, the center of high principles, surface drainage slope of not less than 1.5%, the venue shall be installed around drains, gutters bottom using cement mortar plastering. Part of the appropriate regional office and precast concrete plant. (2) shall sump, settling ponds and sewage filtration ponds into the field area planning, factory designed, constructed and put into use. Forbidden to station wastewater directly discharged.

mixing stations must be configured with automatic mixing system measured

Use canned cement, fly ash and mineral materials, etc.; each batching system must meet two requirements above graded gravel (in principle as a standalone four ingredients bucket). All measuring instruments must be calibrated and Technical Supervision. Station configuration control room air conditioners, computers, printers, telephones, stationary concrete batching plant. Summer construction, there should be water-cooling equipment. Coarse and fine aggregate required inspection area erection color solid color steel skeleton concrete mix plant. Mixing station must be configured over 300kw standby generator. Mixing station tooling equipment configuration (a) satisfy non-ballasted track railway passenger line concrete construction needs. (2) meet the company on the establishment of standardized technical conditions for concrete mixing station.