The new network according to the present invention can be used as a network; An ejection unit coupled to the mold frame and having an ejection port with an inlet facing upward and a cover for converting the direction of the ejected substance ejected upward from the ejection port to a bottom; And a mixing cylinder connected to the spraying unit through an ejection pipe to send the contents to the ejection unit, wherein the mixing cylinder includes a filter cylinder having several holes and an outer cylinder surrounding the filter cylinder, And an inlet pipe for introducing at least one of crushed stone, quicklime, soil, and soil improvement agent is connected to the upper part of the filtration tube, and a discharge tube connected to the discharge part at the lower part of the outer cylinder. And an ejection tube is coupled.
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