Designed a kind of the new type self-unloading bone dregs removal suspension coop and bone dregs-falling proof device. The new type self-unloading bone dregs removal suspension coop is mainly composed of a cage bottom ring and the bottom cover plate, cage barrel body, along the reinforcing ring, cage cover several main body. The new type suspension coop can ensure the safety and reliability of bone processing, providing a good solution for the problem of the traditional suspension coop that has a lock cover is not strict, the pin is easy to fall. The hanging structure of the traditional suspension coop is complex and expensive, and it causes inconvenience to the adding bone raw material to the suspension coop. Correspondingly use a new hanging coop hoisting structure, can prevent the hook off, and the utility model has the advantages of simple structure, low cost, even in the lower part of the tank lifting can also be simple and easy to operate, improve the production efficiency and safety. At the same time, in order to avoid the problem that the bone dregs are easy to fall off when the suspension coop into or out of the extraction tank which adds and retrofitting the direct injection standpipe. The new device that could prevent bone dregs in the suspension coop from falling is designed. The device has the advantages of low cost, simple structure, convenient maintenance, effectively prevent the suspension coop bone dregs off, and greatly improve the service life and the economic benefit of the subsequent equipment.