Mud transportation railway carriage or compartment

The utility model provides a mud transportation railway carriage or compartment, it includes: have the box in sealed chamber, the top of box has and seals sludge inlet and the power inlet that the chamber communicated with each other and set up side by side, and opens and close sludge inlet and power inlet's gate assembly, have on the lateral wall of box with the communicating discharge opening insealed chamber and with the back door subassembly that the discharge opening is sealed, the back door subassembly rotates and sets up and the bottom half rotary open that makes progress relatively, and the bottom of back door subassembly and the bottom of box is passed through locking mechanism and is linked to each other, spiral push mechanism, including rotating the spiral fuel push rod who sets up, spiral fuel push rod is located just stride across in the upper portion space of sealed intracavity sludge inlet, spiral fuel push rod's power end links to each other with power transmission spare, and power transmissio