For small blast furnace tapping ditch systems with only a single tapping hole or local repairs of tapping ditch in large and medium-sized blast furnaces, SR-TD series baking-free ramming materials can be selected. This material adopts a new bonding system, does not generate water vapor during use, and can directly tap iron without baking after ramming construction, thereby improving production efficiency. It can be used in the main ditch of the tapping ditch of small and medium-sized blast furnaces and all parts of the tapping ditch that need to tap iron quickly, and the iron throughput can reach more than 15,000 tons at a time.