Method for detecting safety performance of carbon dioxide fracturing device

The invention discloses a carbon dioxide fracturing device safety performance detection method, which comprises the following steps: sealing an explosion chamber of a coal dust-combustible gas safety degree test device fixedly connected with a carbon dioxide fracturing device to be detected, closing a first ball valve, opening a second ball valve, and filling gas into the coal dust-combustible gas safety degree test device; connecting a lead of the to-be-tested carbon dioxide fracturing device with an exploder; the exploder sends an explosion signal to detonate the carbon dioxide cracking device, whether a light or burning phenomenon exists in the coal dust-combustible gas safety degree testing device or not is observed, the temperature of the outer surface of a liquid storage pipe of the carbon dioxide cracking device is measured, and safety evaluation is made; by using the method provided by the invention, the safety performance of the carbon dioxide fracturing device can be simply, conveniently and accurat