Recently the three new products developed by our technicians themselves have got patents after the examination of State Intellectual Property Office. They are:
       1.Single Outlet Coal Gasifier with Pyrolysis Section (patent No: ZL200520024 406.X)
       2.Automatic Device for Adjusting Airsteam Flow Proportion（patent No：ZL200520024578.7）
       3.On-line Testing Device for Gas Composition, Calorific Value and Flow(patent No:ZL200520024579.1)
       The Single Outlet Coal Gasifier with Pyrolysis Section (patent No. ZL20052002 4406.X) is developed by profiting from the advantages of doublestage coal gasifier and based on singlestage one. It’s more suitable for producing crude gas and it can substitute for the existing singlestage coal gasifier for producing crude gas. The advantages of this new coal gasifier lie in higher gas heat value, less ash in gas and free flo-wing byproduct tar; Besides, gas pipes is not easily blocked, thus the problem that gas pipes at the singlestage gas station for crude gas need frequent cleaning up is completely solved and the reliability of production line guaranteed.
       When this product replaces singlestage coal gasifier for produc-ing clean gas, the same advantages are also seen, but its investment is higher. When twostage coal gasifier is replaced by this product to produce clean gas, less ash in gas, lower cost and simple purifying process are its strong advantages.
       Automatic Device for Adjusting Airsteam Flow Proportion (patent No. ZL20052 0024578.7) is developed for adjusting more exact gasifying ag-entair & steam proportion. The proportion was controlled up to now by saturated temperature, however, in the regions where there is a great day night temperature difference, ga-sifying agent proportion maladjustment often occurs. So publicity and promotion of this product will eliminate this drawback, economize manpower and improve auto-matization level for gas stations.
       The On-line Testing Device for Gas Composition, Calorific Value and Flow ( patent No. ZL200520024579.1) solves the problems of operating error and testing data lag that are caused by manual method, thus the accuracy and timeliness of the testing data are guaranteed, manpo-wer is economized and automatization level for gas stat-ions improved.