Dosamatics are operating in many applications and industries. More than 100 systems are in operation throughout the world, helping to improve process or combustion control. From blast furnace coal injection, to sorbent delivery into fluidized bed boilers, Mactenn has the system for your application.

General Motors Danville, IL
Multi-tuyere coke breeze injection to two cupolas. Model 8/50/1 continuously injects coke via five tuyeres in each copola at the rate of 10 to 75 lbs. / min. at a ±2% accuracy. 5 to 10 psi back pressure.

Griffin Pipe Lynchburg, VA
Model 4/4/2 Convrolveyor injecting 14 to 25 lbs. / min. of calcium carbide and coke breeze into a cupola metal stream at ±2% accuracy. Atmospheric back pressure.

American Cyanamid Westwego, LA
High pressure reactor catalyst injection. A 15/8/2 batch Dosamatic injects 10 lbs. / hr. molybdenum oxide catalyst into a process reactor at ±2% accuracy. 18 psi back pressure.

T.R.W., Inc. Cleveland, OH
45 lbs. / min. pulverized coal and 33 lbs. / min. limestone continuous injection to slagging combustor. Model 12/8/0-6/8 (coal), and Model 4/8/0-2/8 (limestone). Flow rate accuracy ±2%. 4" Wg. back pressure.

ESCO Newton, MS
Up to 100 lbs. / min. additives injection into AOD furnace. A Model 12/8/4 Batch Dosamatic injects lime, maganese and chromite in various combinations into an AOD furnace. Atmospheric back pressure.

L.T.V. Canton, OH
Carbon injection to electric arc furnaces. Three 80/8/6 batch injectors, each rated at 250 lbs. / min. injection rate. Flow rate accuracy ±2%. Atmospheric back pressure.

J.I. Case Racine, WI
Multi-tuyere coke breeze injection to cupola. Model 4/8/1 continuously injects coke via 5 tuyeres at the rate of 10 to 50 lbs. / min. at ±2% accuracy. 1.5 psi back pressure.

Sludge Incineration Facility Los Angeles, CA
Injection of dehydrated sludge fuel into a fluidized bed combustor at the rate of 185 lbs. / min. at ±1.0 accuracy. Model 30/12/8-20/12-5 injects fuel via a multi-way splitter. 2 psi back pressure.

Mendota Biomass Power Ltd. Mendota, CA
Model 2/4/3-1/4-2 Dosamatic injects 27 lbs. / min. limestone into FBC via single injection point. Flow rate accuracy ±2%. 0.8 psi back pressure.

Woodland Biomass Power Ltd. Woodlands, CA
Model 4/4/4-2/4-2 Dosamatic injects 47 lbs. / min. kaolin clay into FBC via single injection point. Flow rate accuracy ±2%. 0.8 psi back pressure.

Tex-Mex Power Facility Robinson City, TX
Four Model 12/8/5-6/8-3 Dosamatics fitted with loss-in-weight systems inject 283 lbs. / hr. into two 4 psig back pressure recirculating fluidized bed combustors.

Union Carbide Institute, WV
Batch injection of a flow agent to a blender. Model 20/8/4 Dosamatic delivers 15 lbs. / min. at an accuracy of ±2%. Atmospheric back pressure.

Boliden Metall AB Skellefteham, Sweden
Two Dosamatics to inject lead concentrate and additives into a Kaldo converter lead concentrate injector fitted with loss-in-weight system. Provides injection rate for lead concentrate at 2240 lbs. / min., and 630 lbs. / min. of additives. Atmospheric back pressure.

Foseco Cleveland, OH
Three mobile batch injectors injecting ladle additives into iron / steel ladles at 50 lbs. / min. at ±2% accuracy. 1 to 5 psi back pressure.

General Motors Danville, OH
Continuous Dosamatic type 6/8/5-3/8-1 injecting 1/4" graphite into deep ladles at the rate of 2 to 15 lbs. / min. with ±2% accuracy. 2 to 8 psi back pressure.

British Steel Corp. Scunthorpe, U.K.
Granular coal injection into blast furnaces. A total of 36 Model 8/8/5-4/8-1.5 injectors, each at a rate of 45 lbs. / hr. at ±2% accuracy. Variable back pressure to 28 psi.

A.I.S.I. Pittsburgh, PA
Two continuous type 24/12/6-12/12-2 Dosamatics each injecting pulverized or granular coal or coke at the rate of 50 to 150 lbs. / min. One continuous type 16/8/5-8/8/2 Dosamatic injecting iron ore powder at 25 to 250 lbs. / min. One continuous type 4/4/3-2/4-1 Dosamatic injecting 17 to 34 lbs. / min. of lime. All four Dosamatics injecting into a direct reduction reactor with a back pressure of 75 psig. Injection rate accuracy of ±1%.