Two (2) XCM yd3 per hour CONCRETE BATCHING PLANT

Transcription

1 Two (2) XCM yd3 per hour CONCRETE BATCHING PLANT Modular Central Mix Concrete Container Plant BASIC SPECIFICATIONS: Production: Aggregate storage: 222 cubic yards per hour, based on mixing time of 30 seconds and discharge to remixer time of 35 seconds per batch. Note: because there is no waiting time for the next truck mixer to arrive, actual concrete plant production rates when feeding concrete to a stationary remixer will could be greater than 160yd3 per hour. 137y³/160 tons (imperial) Compartments: 3 Mixer-volume: Dosing and Weighing : Water Supply : Compressed Air Supply : 8 cubic yards dry in, 6 cubic yards wet out. Load cell based system. 2 Supply line, psi ¾ Supply lines, 60 to120 psi Concrete Discharge height : 165 Power Supply: Power Demand: 460 VAC 60 Hz 3 ph., Control Voltage: 24 VDC 300 kw (Estimated)

2 Page 2 Detailed Description: Item 1 Aggregate/Sand Hopper- 3 Compartment Loading by Excavator (provided by customer) - Capacity: 137y³/160 tons(metric) - Wall Slope: 60 angle - Sand bin with one electric vibrator - Length: 36 (subject to final engineering) - Welded steel design with corrugated steel panels - Bolted inner and outer walls - Hopper wall thickness: Connection flanges for dosing gates/two dosing gates per compartment - Welded dividing walls - Wear protection in discharge gates - 2 discharge gates per compartment: Opening- 18 x 40 Electro-pneumatic operated Complete with proximity and limit switch One air cylinder per discharge gate Item 2 Horizontal Weighing Belt Conveyor - Weighing capacity: 10,000 lbs., four load cells - Belt driven by 25 h.p. 460 v electric motor. - Belt Speed- 240 FPM (Estimate) - Terminal box for electronic testing - Conveyor length AR Wear protection in weighing hopper (AR or Urethane) - Belt width: 40 - Belt Production: 470 y³/hour (Estimate) - Belt Head Drive Roller: 16 diameter - Belt return roller: 14 diameter - Belt wiper at discharge- Martin style or similar troughing rollers- primary troughing rollers- transition, one station on each end - 10 troughing rollers- transition, one station on each end - Belt skirting. - Belt material: EP 400/3, E-stop and emergency pull cord length of belt.

3 Page 3 Item 3 Inclined Feed Belt Conveyor - Standard belt : 90 overall length, 18 degree angle - Optional Chevron belt: 73 overall length, 24 degree angle - Belt driven by two (2) 25 h.p. 460v electric motors. - Belt Speed: 320 FPM (Estimate) - Belt Angle: 20. (max.) - Belt width: 40 - Production: 580 y³/hour (Estimate) - Belt Head Drive Roller: 18 diameter - Belt return roller: 12 diameter - Return idler rollers - Belt cleaning at discharge- Martin wiper or similar - Wear protection on inlet chute (AR or Urethane) - Belt Material: EP 400/3, Supporting legs - Safety guards for all drives - E-stop and emergency pull cord length of belt. Item 4 Aggregate Holding (Charge) Hopper - Volume: 8y³ - One (1) Discharge gate for direct charging to the mixer, electro-pneumatic operated. - Hopper wall thickness: electric vibrator - AR plate wearing protection on hopper walls (optional urethane available) Item 5 Mixing and Weighing Module - Module steel container to house and protect mixer and weighing units - 12 wide x 30 long (estimate) - Maintenance and access platform for the Mixer - Maintenance and access platform for the weighing units and head of Inclined Feed Belt (access by stairs) and Aggregate Charge Hopper - Stairway from grade to machinery platform and weighing platform - Modular unit construction, for easy erection. - All equipment installed and tested in advance of delivery, complete including power and control wiring. - Platform deck constructed with diamond plate - 32 wide access floors on each side (Continued on page 4)

4 Page 4 Item 6 Cement Weighing Batcher - Weighing capacity: 4,000 lbs. - 3 load cells with conduit, ground lead and terminal box for electrical testing in accordance to Weighing Regulations - Dust proof weighing container - Bolted cover - Frame, steel sheet design - Pneumatic vibrator - Inlet flanges to accommodate silo screw conveyors and the - Discharge flange - Filter- cartridge style - 12 butterfly discharge gate with pneumatic cylinder, magnetic valve and limit switch for position close and open - Cement outlet, with flexible rubber connection to mixer. Item 7 Water unit - Flow meter installed in the Mixing and Weighing Module - Water holding tank: 1100gal (Installed on top of mixing unit) - Weighing bin steel plate thickness:.25 - One (1) 5 butterfly valve for discharge. - One (1) dosing valve for fresh water and one (1) dosing valve for recycling water (or other). - Mixer outlet, with flexible rubber connection to mixer. Item 8 Admixture - Batch plant supplied with 6 port manifold for admixtures. - Admixture components and connections to be supplied by customer. Item 9 Air Compressor - Screw type, 10 h.p. 460 V, 60 Hz - Compact unit, with air dryer - Air tank Capacity: 200 gal - Manufacture: BOGE - Production: 45 CFM - Max. pressure: 145 psi - Noise emission at 4 distance: 70 dba - Two secondary air tanks installed, one each at the Aggregate Hopper and the Cement/Flyash Silos - Piping to all locations. (Continued on page 5)

5 Page 5 Item 10 Water Piping - Galvanized - Valve operated with pneumatic controls for fast closing - Piping to all locations. Item 11 Twin Shaft BHS Mixer - Model: DKXS4500 output concrete: 6.0y³ per batch - Drive Motors: Two (2) 100 h.p. - Mixing Shaft Speed: 22 rpm (Estimated) - Wear lining: Optilong (BHS proprietary long-life mixer liners) - Direct injection water supply - Two mixing shafts complete with paddles and mixing shovels - Hydraulically operated discharge gate with limit switches. - Mixer cover with rubber seal and safety switches for protection during operation - Terminal box complete with all wiring. - Mixer dust filter with ventilation - Discharge hopper:.25 wall (outlet cone) with wear protection installed. Item 12 Control Room - 20 container with door and windows, heat and air conditioned space. Item 13 Electrical System - Power Pack for mixing plant, aggregate hopper and cement silos - Main switch for the mixer. - All electrical cabling starting at customer provided service connection - All cables plug style - Mixing and Weighing Module comes prewired and tested. Some site wire connections along with connection of main power source and miscellaneous limit switches, load cells, etc. will require connection at time of erection. Item 14 Three Cement/Slag/Flyash Silos - 65 tons (Imperial) capacity - One piece design complete with access ladders.

6 Page 6 Item 15 Cement silos accessories and screw conveyors - Cement screw auger conveyors from the silos, 10 dia h.p. electric drive motors. - Aeration system for cement silo - Min./Max. level indicators - Safety over-pressure valve. - Pinch valve/ anti-overfill system for fill pipe - Cement dust filter with stainless steel body and textile bags Total surface 22y² Cleaning system with reverse pneumatic jets, driven by electronic timing card Mounting flange for installation on top of the silo Item 16 Command Alkon COMMANDbatch RM100 Batch controls utilizes Windows XP technology as the user interface to the batching engine running on QNX. Hardware: - Keyboard - 17 LCD Screen - EZ-Cal Manual Control Panel with (7) Independent Digital Readouts - Wall mounted I/O enclosure - Printer System: - 2 Aggregates per batch - 2 Cementatious Materials per batch - 2 Waters per batch by Meter - 6 Metered Admixtures per batch - Remote Diagnostics: Modem permits checkout the factory via modem - Multiple Feed Types including fast, timed, and job cycles - Historical trend monitoring to determine optimum feed rate and free fall compensation based on materials, device and target amount parameters - Self-adjusting timed feed and job time parameters - Programmable discharge rates based on truck and batch sequence with live manual adjustments and overrides - Unlimited number of batch sequences that can be tied to Mix Designs that require special plant functions - Maximum single batch size per plant, per truck, per scale or admixture bottle capacity, or per mix design - Allows manual control when they do not contend with weighing process for corrections while batching - Integrated Ticket Stack on the Batch Setup form allows for the next batch to be prepared while batching and shows all active tickets at a glance. (Continued on page 7)

7 Page 7 Item 16 Command Alkon COMMANDbatch RM100 (revised) - Over and Under Tolerance interlocks - Scale Zero and Bottle Empty Interlocks - Scale Rate of Discharge - Selectable Ticket Formats - Automatic Scale Tolerance Checking - Manual Batch Weight Recording - U.S. / Metric software - User based customizable shortcut menus - Unlimited number of plant graphic scenes, allowing different views and user based preferences - Additional Controls for: Conveyor Manual Start/Stop Switch, Conveyor Discharge Interlock, Aggregate Scale - Automatic Vibrator Control, Cement Scale Automatic Vibrator Control, Air Compressor, Cement Automatic Aeration - Easy to access batch record and ticket retrieval - Full featured standard reports including: Average Moisture Calibration Event Customer Listing Incoming Inventory Material Inventory Material On-Hand Material Usage Mix Design Summary Mix Production Order Details Order Summary Product Listing Product Sales Project Listing Projects By Customer Ticket By Customer Ticket Summary - Built-in Report Writer - Network laser printer interface - Unparalleled Security module allowing User and User Group configuration down to the field level on all forms - Order Entry/Delivery Ticket Printing with Projects - Aeration blower control - Control Mixer - Water Temper Control - Automatic Sand Bin Moisture Probe and Programming for 1 bin - UL Certification - COMMANDbatch User Manual ft. of load cell cables ft. of control cables ft. of moisture probe cable