The invention discloses horizontal coal separating equipment with multiple combustors, comprising a horizontal sealed rotary kiln body, wherein the rotary kiln body is provided with multiple densely arranged combustors inside; one side of the combustors is correspondingly provided with multiple gas inlet pipes and air inlet pipes; the other side of the combustors is provided with corresponding densely arranged radiating pipes; coal propelling and separating channels are formed among the combustors, the gas inlet pipes, the air inlet pipes and the inner wall of the rotary kiln body; the rotary kiln body is provided with a collecting pipe of gases and tar gases separated from coal; the densely arranged radiating pipes are communicated with a flame gas gathering pipe; and the flame gas gathering pipe extends out of the rotary kiln. The equipment can rapidly and efficiently decompose and separate the powdered coal, fully saves and utilizes the energy, greatly improves the utilization ratio and level of the coal resources and brings vast economic and social benefits for the whole society.