Timed and quantitative feeding device for chemical industry production

The invention discloses a timed and quantitative feeding device for chemical industry production. The timed and quantitative feeding device for chemical industry production comprises a supporting platform and a reaction kettle; a bracket is arranged on the supporting platform; a mass sensor is arranged on the bracket; a material box is arranged on the mass sensor; the bottom of the material box isconnected with a first valve and a first pipeline; the other end of the first pipeline is connected with a second valve and a second pipeline; the lower part of the supporting platform is connected with a material storage box; the lower port of the material storage box is connected with a third valve, a third pipeline and one feeding port of the reaction kettle; a gas outlet is formed in the upper end of one side of the reaction kettle; the gas outlet is connected with a fourth valve and a fourth pipeline; the other end of the fourth pipeline is connected with the second pipeline; and high-pressure gas is guided to t