1988年11月国家确定哈市为墙体材料改革和建筑节能试点城市。为此,市政府专门成立了墙改和建筑节能领导小组及办事机构——市墙改办,并制定了《哈尔滨墙体材料改革试点系统工程工作方案》,出台了18项有关政策法规。通过两年多的工作,目前,哈尔滨市已征集墙改建筑节能基金近800万元。利用粉煤灰的企业已由1988年前的3家发展到20家;粉煤 In November 1988, the country determined that Harbin was a pilot city for wall material reform and building energy conservation. To this end, the municipal government set up a wall reform and building energy-saving leadership group and office to change the city wall, and formulated the “Harbin wall materials reform pilot system project work plan”, the introduction of 18 relevant policies and regulations. Through more than two years of work, at present, Harbin City has solicited nearly 8 million yuan for the energy conservation fund for the construction of wall reform. The use of fly ash has grown from 3 companies before 1988 to 20; pulverized coal