The invention provides an irregular refuse landfill high-risk
pollution source management and control method which comprises the following steps: determining a high-risk
pollution source, and delimiting an anti-seepage
project area; grouting holes are formed in the anti-seepage
engineering area, grouting pipes are arranged in the grouting holes, the grouting pipes penetrate through the landfill layer and enter the anti-seepage target layer, a stop-grouting plug is arranged on each grouting
pipe, a grouting section is arranged between each stop-grouting plug and the bottom end of the corresponding grouting
pipe, and a
grout outlet hole is formed in each grouting section; grouting is conducted in the grouting
pipe in a static
pressure grouting mode, a waterproof top plate is formed at the lower end of the landfill layer, grouting needs to be conducted 3-4 times before final setting of the
grout, and the concentration and the grouting pressure of the initial
grout are both smaller than those of the re-grouting grout; and interval grouting is conducted on the grouting pipes. The static
pressure grouting technology is adopted to construct and restore the weak area of the waterproof roof of the confined
aquifer at the bottom of the high-risk
pollution source, grout can be effectively restrained from overflowing upwards, the grout enters an anti-seepage target layer as much as possible, the grout is saved, and the grouting anti-seepage effect is improved.