49results about How to "Efficient pooling" patented technology

The invention discloses a wax collection device with built-in porous foam metal of a gradient structure, and belongs to the technical field of powder metallurgy. The wax collection device with the built-in porous foam metal of the gradient structure comprises a vertical or horizontal metal cylinder, wherein an outer shell of the metal cylinder is wrapped with a water jacket; the porous foam metal of the gradient structure is arranged inside the metal cylinder; the side walls of the metal cylinder are provided with an air inlet and an air outlet; a wax drainage port is formed in the side wall of the bottom of the cylinder; a water inlet is formed in the side wall of the lower portion of the water jacket; a water outlet is formed in the side wall of the upper portion of the water jacket. By the utilization of the characteristics of good heat conduction performance and good gas retardation performance of the porous foam metal of the gradient structure, the wax collection device can enable heat energy of furnace gas guided into the wax collection device to be rapidly diffused into the water jacket with cooling circulating water, and gas wax and other organic forming agents condense to be liquid wax; as the porous foam metal of which the hole diameter is arranged in a gradient mode is high in through-hole rate and porosity and good in gas and liquid permeability, the wax can be gathered to be the organic forming agents effectively, and the collection rate of the organic forming agents of the wax collection device is greater than or equal to 98%.

The invention discloses a tunnel combined-type lining structure with a maintainable drainage passage. The structure includes an arch wall lining, the lower end of the arch wall lining is connected with a an inverted arch lining, an upper bearing arch structure is erected on the inverted arch lining, and the drainage passage is positioned between the inverted arch lining and the upper bearing archstructure; the upper bearing arch structure is filled with an upper arch padding layer, and an inspection well is formed in the upper bearing arch structure and the padding layer. The structure can solve the problem that the tunnel design in the prior art cannot achieve the capability of draining and guiding a large amount of underground water in a short time; the tunnel combined-type lining structure is reasonable in structure and high in reliability.

The invention discloses an anti-fouling dining table board, in particular to the field of dining table boards, comprising a bottom plate, a leakage mechanism is arranged at the bottom of the bottom plate; A plurality of leakage openings are arranged on the surface of the groove, and connecting rods are arranged in the interior of the plurality of sealing plates. One end of the adjusting rod is fixedly provided with a pressing block, the bottom of the adjusting rod is fixedly provided with a lower pressing block, the bottom of the lower pressing block is fixedly provided with a spring, and the bottom of the spring is provided with a surrounding plate shell. By setting the leakage mechanism, the present invention can effectively collect the spilled soup or beverage, and it is convenient to use the cleaning agent and water to mix the bottom plate to scrub the bottom plate, and then press the button to guide the cleaned sewage to the receiving material. Inside the shell, the overall cleaning convenience is improved, and it is difficult to clean with water during cleaning.

The invention provides a construction method of a pre-impregnated water dynamic compaction method for engineering foundations, comprising the following steps: step 1, determining the construction scope, and measuring the thickness of the sand filling; step 2, determining the location of the construction scope for laying a plastic drainage board and quantity, and determine the depth of the plastic drainage board; Step 3, lay out the plastic drainage board, and vibrate and drain the sand-filled foundation through a conventional vibrator; Spray water with a preset amount of water within the construction scope of the sand-filled foundation to maintain the preset moisture content, and then perform dynamic compaction through the pre-impregnated water compactor equipment. Spray on the ramming point at a fixed point to ensure no dust; Step 5, check the bearing capacity and liquefaction resistance of the foundation. The invention effectively solves the problems that the surface layer of the existing blowing and filling sand foundation is difficult to be compacted during the treatment process, which affects the construction quality of dynamic compaction and subsequent vibratory rolling, and pollutes the environment.

The invention provides a method for preventing and controlling water and soil loss in arid and semi-arid areas by using garden plants, comprising the following steps: step 1): using the landform environment, the area with gullies in the landform is sorted out, and a water storage tank is opened at the bottom of the gully, Along both sides of the water storage tank, arrange the steep slopes into terraces or gentle slopes, step 2): arrange outwards along the terraces or gentle slopes into slopes less than 3°, step 3) introduce irrigation canals, and irrigate the aquifer, requiring water to leach out the medium soil Keep it for 6-12 hours to ensure that the water infiltrates from the inclined holes to the terraces or gentle slopes until it is saturated; step 4) plant lawns and vines on the medium soil layer, pay attention to maintenance for 3-6 cycles, each cycle Pour appropriate amount of water to slopes, terraces or gentle slopes, and culture medium soil layer, and the time of each cycle is 20 to 40 days. During the maintenance period, the dead seedlings are replenished in time. Step 5) carries out normal maintenance, every 50 to 70 days Carry out sequential maintenance until 2 years after the expiration, forming a natural environment cycle maintenance.