TECHNOLOGY FOCUS - ENVIRONMENT - Preferred System: The garbage mechanical sorting system comprises a mandrel rod type crusher for crushing; a first ferromagnetic feeding belt connected with the mandrel rod type crusher; a single layer coarse rotary screen connected with the first ferromagnetic feeding belt; a rotary wind separator, a second ferromagnetic feeding belt as well as a coarse grinder connected with the single layer coarse rotary screen; a single layer fine rotary screen connected with the second ferromagnetic feeding belt; an inclined dewatering vibration screen connected with the single layer fine rotary screen; a high speed stirring feeder connected with the inclined dewatering vibration screen, a first single passage wind separator connected with the high speed stirring feeder; a scatter mangle connected with the first single passage wind separator; a high speed scatter rubbing machine connected with the scatter mangle; a third ferromagnetic feeding belt connected with the high speed scatter rubbing machine; an inclined double layer jigging screen connected with the third ferromagnetic feeding belt, and second, third and fourth wind separators connected with the inclined double layer jigging screen. The fertilizer production system comprises an electronic controlled sliding plate; a batch stirring feeder connected with the electronic controlled sliding plate; an electronic controlled sliding plate hopper connected with the batch stirring feeder; a fixed amount circulation fermentation tank connected with the electronic controlled sliding plate hopper; a dryer connected with the fixed amount circulation fermentation tank; a finish mill connected with the drier; a pelletizer connected with the finish mill; a screening machine connected with the pelletizer; and the plastic sorting system comprises a crush dry washer; a liquid medicine impregnating tank connected with the crush dry washer; a plastic-aluminum separator connected with the liquid medicine impregnating tank; a paper-plastic separator connected with the plastic-aluminum separator; a crush cleaner and a dewatering rubbing machine connected with the paper-plastic separator; a plastic roughing machine connected with the dewatering rubbing machine; a static mixed plastic separator connected with the plastic roughing machine; the plastic sorting system further comprises a wind separator and a blooming machine. The slurry production system comprises a wood fiber crusher; a paper raw material impregnating tank connected with the wood fiber crusher; a sand extractor, a medicine preparing tank as well as a batch stirring feeder connected with the paper raw material impregnating tank; a high concentration pulping machine connected with the batch stirring feeder; a concentrated slurry feeder connected with the high concentration pulping machine; and a press master connected with the concentrated slurry feeder; the sewage treatment system comprises a sand depositing tank; a sewage collecting tank connected with the sand depositing tank; a high pressure sewage pump connected with the sewage collecting tank; an ozone sterilizing tank connected with the high pressure sewage pump; a sewage deposition filtering tank connected with the ozone sterilizing tank; a neutralizing tank connected with the sewage deposition filtering rank; and a clean water storage tank connected with the neutralizing tank. The mandrel rod type crusher comprises a component hopper equipped with a component hopper feeding belt; a striker plate located above the component hopper feeding belt and a limiting cylinder equipped with limiting cylinder blades; a large beam barrel and a small beam barrel equipped with the mandrel rod located below the component hopper feeding belt; a fixed cutter located below the large beam barrel; a rotary motor for controlling the large beam barrel and the small beam barrel. The single layer coarse rotary screen comprises a screen mesh and a material carrying plate, and an internal circular baffle cylinder connected with the material carrying plate; the internal circular baffle cylinder is provided with an internal circular carrying plate on the upper side, a heavy sliding plate on the lower side, and a heavy discharge hole arranged on the cylinder body of single layer coarse rotary screen. The wind separator is the sucking-blowing rotary wind separator that comprises a sealing shell of material parting rotary cage equipped with a material parting rotary cage driving wheel, a rotary cage driving shaft, a rubber wind screen and a material parting rotary cage; a material sucking cylinder connected with the material parting rotary cage, and a blower air taking material sucking hopper connected with the material sucking cylinder. The plastic crush dry washer comprises a forced compression friction feeding cylinder and a natural feeding dry washer; the forced compression rubbing feeding cylinder is fixed with a fixed friction screw as well as a material inlet and a material outlet, the interior is provided with a friction shaft, the friction shaft is provided with a movable friction screw; the material outlet of the forced compression friction feeding cylinder is connected with the material inlet of natural feeding dry washer and which are directly connected with an internal screen cylinder, the internal screen cylinder is provided with a transmission shaft equipped with a transmission rod and a stirring rod; the natural feeding dry washer further comprises a material outlet and a foreign matter blockage sliding plate, the foreign matter blockage sliding plate is provided with a foreign matter collecting tank on the lower side, the interior is provided with a foreign matter conveying shaft and a foreign matter outlet, the foreign matter conveying shaft is fixed with a helical conveying tray. The static mixed plastic separator comprises a hopper, a hopper feeding passage connected with the hopper, a forced feeding hole connected with the hopper feeding passage, a forced feeder connected with the forced feeding hole, a stirring friction electrifying rod connected with the forced feeder, a vertical electric motor connected with the forced feeder and the stirring friction electrifying rod, the vertical motor is fixedly mounted in the centre of the bottom of a natural stirring friction electrifier, the natural stirring friction electrifier comprises a stirring friction electrifying rod and an adjustable discharge opening, the adjustable discharge opening is provided with multiple parting boards, the discharge opening is provided with a distributing plate, the distributing plate has a vibrating device mounted on the upper part of cathode cylinder, the distributing opening is in the middle between the upper parts of anode cylinder and the cathode cylinder, the cathode cylinder is controlled by a regulating speed motor for rotating, the synchronous rotation of anode cylinder is controlled by the cathode cylinder driving the gear.