Paper pulp contractile phenotype exothermic riser

The utility model provides a paper pulp contractile phenotype exothermic riser, relates to fireproof material technology equipment field, including last barrel, insert post, heat preservation, shrinklayer, jack, barrel and shrink strip down, is being equipped with jack and shrink layer on the barrel down, goes up to be equipped with on the barrel and inserts the post, goes up the barrel and goesinto in the jack and to be connected with barrel down through inserting the stake pocket, and shrink layer is last to be equipped with and to contract, is equipped with the heat preservation in the shrink layer, the utility model discloses the practicality is strong, uses and installs all fairly simplely, not only can furthest improves feeding efficiency, carries high yield, can also lengthen holding time simultaneously, practice thrift rising head metal liquid, increases operation rate, and this has important meaning to improving casting quality. 种纸浆收缩型发热冒口，涉及耐火材料技术设备领域，包括上筒体、插柱、保温层、收缩层、插孔、下筒体和收缩条，在下筒体上设有插孔和收缩层，上筒体上设有