<B>Drawtube(ripple 
													compensator)adjust the 
													relative displacement caused 
													thermal expansion and cold 
													contraction by hot blast 
													circulating duct and 
													stoke.It can compensate 
													automatically according to 
													temperature.<br>
                                                    &lt;C&gt;Telslpoing 
													pipelinejoint pipes with 
													different diameters.<br>
                                                    &lt;D&gt;Lowest bend 
													pipechange the blow 
													direction of blow branch 
													pipe and connect the belly 
													pipe.<br>
                                                    &lt;E&gt;Belly pipethe tip 
													and drafty place are 
													connected tightly.There are 
													injecting pipe and tip which 
													is divided into meter cooled 
													and no meter cooled.The aim 
													to decrease injecting pipe 
													is to inject coal powder to 
													blast furnace hearth and to 
													decrease coke rate 
													strengthen smelting.To 
													increase tip metre cooled 
													pipe is to bear the high hot 
													blast temperature for belly 
													pipe,which is raising 
													increasingly.<br>
                                                    &lt;F&gt;Acessoryfixing 
													base,hanging hook and 
													eyesight,etc.<br>
                                                    &lt;G&gt;The take upthe 
													blowtorch take up,pull 
													rools,ect.The take upthe 
													blowtorch take up,pull 
													rools,ect.The inner blow 
													device is injected by 
													fire-resising lining to 
													resist being destroyed to 
													pipe by hot blast and 
													reducing hot loss。</font></span><br>
                                                  </p>
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