{"id":11434,"date":"2026-03-23T20:12:23","date_gmt":"2026-03-23T19:12:23","guid":{"rendered":"https:\/\/bianna.com\/equipos\/moving-grate-combustion-system\/"},"modified":"2026-04-22T11:47:16","modified_gmt":"2026-04-22T10:47:16","slug":"step-grate-combustion","status":"publish","type":"equipos","link":"https:\/\/bianna.com\/en\/tvs\/machines\/sgc-step-grate-combustion\/","title":{"rendered":"Step Grate Combustion"},"featured_media":9850,"template":"","tipo-tratamiento":[200],"class_list":["post-11434","equipos","type-equipos","status-publish","has-post-thumbnail","hentry","tipo-tratamiento-tvs"],"meta_box":{"equipos_initials":"SGC","equipos_description":"Also known as a reciprocating grate. It is the fundamental component of biomass and waste boilers. ","equipos_logo":[{"filesize":4899,"ID":"10136","name":"logo-SGC.svg","path":"\/var\/www\/bianna.com\/wp-content\/uploads\/logo-SGC.svg","url":"https:\/\/bianna.com\/wp-content\/uploads\/logo-SGC.svg","full_url":"https:\/\/bianna.com\/wp-content\/uploads\/logo-SGC.svg","title":"logo--SGC","caption":"","description":"","alt":"","srcset":false,"width":false,"height":false}],"equipos_brochure":[],"equipos_banner-1":"renting-services","equipos_banner-2":"aftersales","equipos_banner-3":"greenways","equipos_essential-info":"<p>Designed to master complex fuels (high moisture and ash content), our system guarantees more than 8,200 hours of continuous operation per year.<\/p>\n","equipos_title":"Designed to master complex fuels (high moisture and ash content), our system guarantees more than 8,200 hours of continuous operation per year.","equipos_long-description":"It is a robust combustion chamber, the result of extensive experience, with walls covered by a combination of multiple refractory and insulating layers to favor the combustion process and prevent heat loss. The grate is mechanical, hydraulically driven with a reciprocating motion. To withstand extreme conditions, it is manufactured from special high-alloy chrome casting (Cr 27 Ni 4).  ","equipos_main-points":[{"equipos_main-points_icon":["581"],"equipos_main-points-title":"Unrivaled Operability","equipos_main-points-description":"Its robustness and automatic cleaning system allow the installation to operate for more than 8,200 hours per year with the possibility of performing only a single technical shutdown. "},{"equipos_main-points_icon":["562"],"equipos_main-points-title":"Maximum Thermal Efficiency","equipos_main-points-description":"The refractory brick vault acts as a reflective mirror for radiation, significantly improving the evaporation of water contained in the fuel. "},{"equipos_main-points_icon":["564"],"equipos_main-points-title":"Advanced Combustion Control","equipos_main-points-description":"Primary and secondary air flows are electrically modulated and injected into divided zones below and above the grate, achieving an optimal process based on energy demand. "},{"equipos_main-points_icon":["572"],"equipos_main-points-title":"Fuel Savings","equipos_main-points-description":"The overlapping and inclined grate design with lateral tongue-and-groove prevents fuel from falling through gaps, resulting in significant savings and reducing the concentration of unburned materials."}],"equipos_content-block":[{"equipos_content-block_image":["9444"],"equipos_content-block_heading":"Main Applications within a Plant","equipos_content-block_title":"Energy from waste and biomass","equipos_content-block_description":"Essential for energy production (electricity or thermal). Ideal for the energy recovery of RDF (Refuse Derived Fuel) and for the combustion of biomass from various sources."}],"bloques_de_contenido":[{"equipos_content-block-2_image":["9440"],"equipos_content-block-2_heading":"Operation","equipos_content-block-2_title":"Grate combustion with total process control","equipos_content-block-2_description":"The fuel is metered and advanced over the grate by means of a continuous reciprocating motion. The process is divided into three working zones (drying\/pre-combustion, combustion, and extinction\/slag outlet). Primary air is injected from below the grate (cooling and combustion air), and secondary air is introduced from above to complete the oxidation of volatiles. Ash and slag are extracted dry and continuously by a system of scrapers with inclined blades and reciprocating motion, hydraulically driven."}],"equipos_gallery":[{"equipos_gallery_photo":["9436"]},{"equipos_gallery_photo":["9428"]},{"equipos_gallery_photo":["9420"]},{"equipos_gallery_photo":["9416"]},{"equipos_gallery_photo":["9412"]},{"equipos_gallery_photo":["9400"]}],"equipos_video":"https:\/\/bianna.com\/wp-content\/uploads\/SGC-Bianna-360.mp4","equipos_video-explosionado":"https:\/\/www.youtube.com\/watch?v=-Xnomn0zRu4","equipos_diagram-image":[{"width":150,"height":84,"file":"SGC_diagrama_diagrama.jpg","filesize":480093,"sizes":{"image-480":{"file":"SGC_diagrama_diagrama-480x269.jpg","width":480,"height":269,"mime-type":"image\/jpeg","filesize":15558,"url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama-480x269.jpg"},"image-720":{"file":"SGC_diagrama_diagrama-720x403.jpg","width":720,"height":403,"mime-type":"image\/jpeg","filesize":27781,"url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama-720x403.jpg"},"image-960":{"file":"SGC_diagrama_diagrama-960x538.jpg","width":960,"height":538,"mime-type":"image\/jpeg","filesize":43445,"url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama-960x538.jpg"},"image-1250":{"file":"SGC_diagrama_diagrama-1250x700.jpg","width":1250,"height":700,"mime-type":"image\/jpeg","filesize":63885,"url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama-1250x700.jpg"},"image-1920":{"file":"SGC_diagrama_diagrama-1920x1075.jpg","width":1920,"height":1075,"mime-type":"image\/jpeg","filesize":127459,"url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama-1920x1075.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]},"ID":"9392","name":"SGC_diagrama_diagrama.jpg","path":"\/var\/www\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama.jpg","url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama.jpg","full_url":"https:\/\/bianna.com\/wp-content\/uploads\/SGC_diagrama_diagrama.jpg","title":"SGC_diagrama_diagrama","caption":"","description":"","alt":"Sistema 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alimentaci\u00f3n","equipos_diagram-points_description":"Fuel entry point to chamber 2"},{"equipos_diagram-points_coordinate-x":"17","equipos_diagram-points_coordinate-y":"62","equipos_diagram-points_title":"Hydraulic drive","equipos_diagram-points_description":"Mechanism that enables independent movement of the grate zones"},{"equipos_diagram-points_coordinate-x":"25","equipos_diagram-points_coordinate-y":"43","equipos_diagram-points_title":"Zone 1: Drying and gasification","equipos_diagram-points_description":"First stage where heat removes moisture from waste 4"},{"equipos_diagram-points_coordinate-x":"50","equipos_diagram-points_coordinate-y":"60","equipos_diagram-points_title":"Zone 2: Main combustion (oxidation)","equipos_diagram-points_description":"Area where most energy is released through intense burning of the material. 5"},{"equipos_diagram-points_coordinate-x":"65","equipos_diagram-points_coordinate-y":"65","equipos_diagram-points_title":"Phase 3: Burnout and ash formation","equipos_diagram-points_description":"Point where the material is fully consumed, turning into ash."},{"equipos_diagram-points_coordinate-x":"65","equipos_diagram-points_coordinate-y":"17","equipos_diagram-points_title":"Gas outlet"},{"equipos_diagram-points_coordinate-x":"24","equipos_diagram-points_coordinate-y":"70","equipos_diagram-points_title":"Primary air"},{"equipos_diagram-points_coordinate-x":"40","equipos_diagram-points_coordinate-y":"50","equipos_diagram-points_title":"Secondary air"},{"equipos_diagram-points_coordinate-x":"70","equipos_diagram-points_coordinate-y":"83","equipos_diagram-points_title":"Ash 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