2 results about "Resource protection" patented technology

The utility model relates to water resource protection technical field discloses a kind of water resource protection purification equipment, including box, the upper portion of box is equipped with water inlet pipe, water inlet pipe is equipped with branch water pipe one and branch water pipe two, the inside of box is equipped with grating, the top surface of grating is fixedly installed with partition plate, partition plate and grating divide the upper portion of box into main filter cavity and standby filter cavity, filter screen one is equipped in main filter cavity, filter screen two is equipped in standby filter cavity;Branch water pipe one is equipped with electric control valve one, branch water pipe two is equipped with electric control valve two, liquid level sensor is installed on the upper portion of one side of main filter cavity at partition plate, control cabinet is installed on the outer wall of box, PLC controller is installed in control cabinet, alarm is installed on the outer wall of box.The utility model can prevent the water overflow of box block, simultaneously using alarm device can remind personnel maintenance filter screen in time, and using filter screen two as temporary filtration, to give personnel cleaning filter screen one leave enough time.

The present application relates to the field of slope farmland erosion prevention and control, and discloses a kind of slope farmland erosion prevention and control forest and grass layout method and system, comprising: obtaining slope farmland multidimensional background data, constructing digital elevation model to identify runoff convergence path and sediment transport channel;According to the erosion risk gradient, four types of prevention and control units are delimited and the site conditions are clarified;Matching prevention and control target determines control threshold and forest and grass layout benchmark parameter, completes buffer zone layout, species screening and community configuration;Constructing full-slope layout scheme and setting up reinforced control nodes, after model checking and iterative optimization, the final layout is completed;The present application solves the problem that the prior art cannot simultaneously meet the multiple requirements of slope farmland erosion precision prevention and control, farmland resource protection, scheme quantization controllable, long-term stable adaptation.