syngas boiler – Horizontal Boiler Sale16/3/2017 · Patent US6435139 – Waste heat boiler for cooling hot syngas. A waste heat boiler for cooling hot syngas in heat exchange with wa. E-MAIL: info@haiqimachine.com. Waste gasification power plant: capacity from 1000kw to 6000kw, modular design, several modular for big capacity. ...