公开(公告)号：WO2008014667A1

公开(公告)日：2008-02-07

申请号：PCT/CN2007/002056

申请日：2007-07-02

Applicant: 大连锅炉厂 ,  李文涛 ,  仲德维 ,  任延伟 ,  韩孝刚 ,  杨子轩

Inventor： 李文涛 ,  仲德维 ,  任延伟 ,  韩孝刚 ,  杨子轩

IPC: F22B29/00 ,  F23M5/08 ,  F27D1/12 ,  F22D1/00

CPC classification number: F23B30/08 ,  F22B37/10 ,  F23J15/022 ,  F23J2215/20

Abstract: A gas-injection boiler for oil field, which includes a coal burning grate (2) on the bottom of the boiler body (1), bellows (3) arranged under the grate, the firebox (5) on the upper part of the boiler body, the wall of the firebox being membrane-tube wall (17), a water-cooled intermediate arch (7) arranged on top of the grate at the middle part of the firebox, a sealing door (4) provided at the rear part of the firebox, at the back of the firebox there is a smoke-dust settlement chamber (11), on top of which provide an economizer (9), the export of which is connected to a dusting and desulfurizing device (10). It is a uniflow coal burning chain boiler with subcritical pressure that, as compared with conventional oil burning boiler, can completely replace oil by coal and can save a great quantity of precious oil. This boiler has the advantages of high efficiency, energy saving and reaches the standards of environmental protection.

公开(公告)号：CN2142062Y

公开(公告)日：1993-09-15

申请号：CN92240829.7

申请日：1992-11-18

Applicant: 任新付 ,  王瑞枝 ,  任艳娜 ,  任延伟

Inventor： 任新付 ,  王瑞枝 ,  任艳娜 ,  任延伟

IPC: B26B9/00

Abstract: 本实用新型是一种多功能不粘厨刀，刀的右侧近刃处有凹槽，刃背有刮刀刃及砍物刃，具有切、片、砍、刮功能，而且使用时不沾粘食物。