Equipment and process for reducing ammonia in skim gum

The invention provides a skim ammonia reduction device and process, the skim ammonia reduction device comprises a skim ammonia reduction tank, an air blower, a spraying absorption assembly, a first air pipe and a second air pipe, the skim ammonia reduction tank comprises a tank body, a feeding valve, a stirring mechanism, a positive pressure air supply mechanism, a negative pressure air suction mechanism and an ammonia air outlet, and the positive pressure air supply mechanism comprises a positive pressure air supply pipe and an air spraying pipe. The negative-pressure air suction mechanism comprises a negative-pressure air outlet pipe and a negative-pressure air inlet pipe, collected skim gum is filtered, settled and guided into the skim gum ammonia reduction tank, under-liquid air blowing is conducted through an air blower in the stirring state, pressure air can be sprayed out of an air spraying pipe, air sucked in the tank body through negative pressure can be sprayed out of the negative-pressure air outle