Simple measuring structure for dust concentration of dry dedusting box body

The utility model relates to a simple dust concentration measuring structure for a dry dedusting box body, which is provided with a clean gas pipeline, one end of the clean gas pipeline is connected with the dedusting box body, an outlet gate valve and an outlet butterfly valve are sequentially arranged on the clean gas pipeline, a small detection hole is arranged on the clean gas pipeline and behind the outlet butterfly valve, and the outlet gate valve is connected with the outlet butterfly valve. A small detection hole is formed in the gas pipeline, a detection pipe is connected to the small detection hole, a ball valve a and a ball valve b are sequentially arranged on the detection pipe, and a loose joint detection head is arranged at the end of the detection pipe and used for detecting the cleanliness degree of gas in the clean gas pipeline; when the device is used for measuring the dust concentration of clean gas on site, the gas in the dust removal box body can pass through the detachable loose joint de