47results about How to "Not easy to cause accumulation" patented technology

This application relates to an initial rainwater collection device for municipal roads based on rain and sewage diversion, which includes a rainwater inspection well, on which a rainwater grate is arranged, and a filter box for filtering rainwater. The filter box is arranged in the rainwater inspection well to filter The box includes a first box body, a second box body, a third box body, a first filter plate, a second filter plate and a third filter plate, the first box body is connected with the rainwater inspection well, and the first filter plate is arranged on the first In the box, the second filter plate is arranged in the second box, and the third filter plate is arranged in the third box, the filter holes on the first filter plate, the filter holes on the second filter plate and the filter holes on the third filter plate The holes become smaller successively, and a drain is provided at the bottom of the third box body. This application improves the problem that more and more impurities are accumulated in the rainwater inspection well, and the rainwater cannot be smoothly circulated in the rainwater inspection well, and even easily overflows from the rainwater inspection well, resulting in the accumulation of rainwater on the road surface and affecting the environment.

The invention discloses a nitrogen-doped molybdenum disulfide / C / carbon nanotube composite material. The preparation method comprises the following steps: taking formaldehyde as a bridge, and carryingout moderate crosslinking on formaldehyde and melamine to form a nitrogen-doped precursor; carrying out hydrothermal reaction to make the nitrogen-doped precursor, an active component precursor and carbon nanotubes interact and uniformly fused; and carrying out solvent-free microwave reaction to synthesize the high-nitrogen-content-doped molybdenum disulfide / C / carbon nanotube composite material. In the preparation process of the composite material, loss caused by sublimation of the nitrogen-doped precursor in the heating process in the traditional nitrogen doping process is avoided, the nitrogen doping efficiency is improved, the reaction conditions are progressively increased from mild to intense, and uniform fusion of the nitrogen-doped precursor, the active component precursor and the carbon nanotubes through interaction is realized. The prepared nitrogen-doped molybdenum disulfide / C / carbon nanotube composite material is good in stability, not prone to denaturation in air, easy to store and large in specific surface area, a good channel is provided for lithium ion transmission when the nitrogen-doped molybdenum disulfide / C / carbon nanotube composite material is used as a lithiumion battery negative electrode material, and large specific capacity and good cycling stability are shown.

A nitrogen-doped molybdenum disulfide / C / three-dimensional graphene composite material, which uses formaldehyde as a bridge to make it moderately cross-linked with melamine to form a nitrogen-doped precursor, and then undergoes hydrothermal reaction to make the nitrogen-doped precursor and active group The precursors and three-dimensional graphene interact and fuse uniformly, and then perform solvent-free microwave reaction to synthesize high nitrogen content doped molybdenum disulfide / C / three-dimensional graphene composites. The composite material of the present invention avoids the loss caused by the sublimation of the nitrogen-doped precursor in the heating process in the traditional nitrogen doping process during the preparation process, improves the nitrogen doping efficiency, and the reaction conditions are progressive from mild to strong, realizing the nitrogen-doped precursor, The active component precursors interact with graphene and fuse uniformly. The prepared nitrogen-doped molybdenum disulfide / C / 3D graphene composite material has good stability, is not easily denatured in the air, is easy to store, and has a large specific surface area. As a negative electrode material for lithium-ion batteries, it provides a good channel for lithium ion transmission. Show a larger specific capacity and better cycle stability.

The invention discloses a high-temperature roasting rotary furnace furnace-tube for a powder material. The high-temperature roasting rotary furnace furnace-tube comprises a tube body, spiral sheets and a connecting rod, which are integrated in a welding mode, wherein three connecting rod mounting holes which are used for welding and fixing the spiral sheets to position are uniformly distributed onthe tube body; three grooves used for positioning are formed in the spiral sheets; after the spiral sheets are processed and welded in sections, the connecting rods are blocked into the three groovesof the spiral sheets; the connecting rod and the spiral sheets are welded or adopt a bayonet blocking structure; the spiral sheets are blocked into the tube body; and the spiral sheets are rotated for enabling the connecting rod to align to the three mounting holes in the tube body, so that the connecting rod and the tube body are welded into an integer. Compared with the prior art, the high-temperature roasting rotary furnace furnace-tube is not liable to cause accumulation of the powder material, enables the material to be mutually dispersed, is more in turnover times, is high in heat conduction speed, and is complete in sintering; and during working, production efficiency is high, the yield is twice or more that of a conventional rotary furnace, and power consumption and nitrogen gas consumption are saved by 60% or more in comparison with those of the conventional rotary furnace.

An automatic shank cutting and root cutting device for shiitake mushrooms, comprising a feeding hopper, a support box, a material setting box, a material transfer rod, and a box body. It falls into the circular through hole on the second conveyor belt, and after passing through the discharge opening slot at the bottom of the feeding box, it is controlled by the baffle plate, and then the rotary cutter wheel is driven by the motor to rotate to realize the telescopic function of the blade to cut the root of the mushroom. , will not damage the stem of the mushroom, the accuracy is high, the processing efficiency is improved, and it is not easy to accumulate on the inner side of the device, reducing the life of the device.

A nitrogen-doped molybdenum disulfide / C / graphene composite material, which uses formaldehyde as a bridge to make it moderately cross-linked with melamine to form a nitrogen-doped precursor, and then undergoes a hydrothermal reaction to make the nitrogen-doped precursor and active component The precursor and graphene interact and fuse uniformly, and then perform a solvent-free microwave reaction to synthesize a high nitrogen content doped molybdenum disulfide / C / graphene composite. The composite material of the present invention avoids the loss caused by the sublimation of the nitrogen-doped precursor in the heating process in the traditional nitrogen doping process during the preparation process, improves the nitrogen doping efficiency, and the reaction conditions are progressive from mild to strong, realizing the nitrogen-doped precursor, The active component precursors interact with graphene and fuse uniformly. The prepared nitrogen-doped molybdenum disulfide / C / graphene composite material has good stability, is not easily denatured in the air, is easy to store, and has a large specific surface area. As a negative electrode material for lithium-ion batteries, it provides a good channel for lithium ion transmission. It has a larger specific capacity and better cycle stability.

The invention discloses an induction cyclone separator. The induction cyclone separator comprises an upper docking cone tube with s small upper part and a large lower part and a lower docking cone tube with a large upper part and a small lower part, wherein the lower end diameter of the upper part docking cone tube is less than the upper end diameter of the lower part docking cone tube; the lower end of the upper part docking cone tube is connected with the upper end of the upper end of the lower part docking cone tube through an annular cover plate with a blowing hole, and the blowing hole is provided with an impulse blowing device; and the impulse blowing device comprises an impulse valve and a blowing pipe, and the blowing pipe is connected with the outlet of the impulse valve and the blowing hole. The induction cyclone separator provided by the invention has the advantages that the gas viscosity impurities are effectively separated, the interval blowing has small influence on the separator, the separation efficiency is high, the inner wall of the docking cone tube of the separator has small possibility of causing gather and cumulation of viscidity impurities; the induction cyclone separator is operated for a long time and at high efficiency and is free from cleaning maintenance by manpower; and the times of the cleaning maintenance and time are reduced, and the operation economy of the equipment is improved.