CHAPTER XIII
SUCTION GAS-PRODUCERS
Advantages.--Qualities of Fuel.--General Arrangement.-- Generator.--Cylindrical Body.--Refractory Lining.--Grate and Support for the Lining.--Ash-pit.--Charging-Box.-- Slide-Valve.--Cock.--Feed-Hopper.--Connection of Parts.--Air Supply.--Vaporizer.--Preheaters.--Internal Vaporizers.-- External Vaporizers.--Tubular Vaporizers.--Partition Vaporizers.--Operation of the Vaporizers.--Air-Heaters.-- Dust-Collectors.--Cooler, Washer, Scrubber.--Purifying Apparatus.--Gas-Holders.--Drier.--Pipes.--Purifying-Brush.-- Conditions of Perfect Operation of Gas-Producers.-- Workmanship and System.--Generator.--Vaporizer.--Scrubber.-- Assembling the Plant.--Fuel.--How to Keep the Plant in Good Condition.--Care of the Apparatus.--Starting the Fire for the Gas-Producer.--Starting the Engine.--Care of the Generator during Operation.--Stoppages and Cleaning 199