6results about How to "Reduce odor emission" patented technology

The utility model relates to a kind of dry-wet sludge mixed homogenization dewatering device, belong to sludge dewatering technical field.The dry-wet sludge mixed homogenization dewatering device, including box and the filter plate being set to its inside, pressing plate;It further includes cleaning mechanism, the quantity of the cleaning mechanism is two, the cleaning mechanism is set to the inside of box and is used to clean sludge remaining on pressing plate;Wherein, the cleaning mechanism includes return bend and two strip grooves, the strip groove is opened to return bend, the horizontal position of the strip groove is lower than the horizontal position of pressing plate, the included angle of two the strip groove and horizontal plane is thirty degrees and eighty degrees respectively;Air-knife type sludge cleaning operation can be carried out, with good cleaning effect, improve sludge recovery rate, and during the whole dewatering operation process, closed operation is carried out, reduce the odor emission phenomenon, ensure operation environment.

This invention provides a road base material based on sludge and construction waste, its preparation method, and its application. The road base material includes a base component and an admixture component. The base component includes: 45-55% recycled coarse aggregate, 20-35% recycled fine aggregate, 15-25% sludge, 4-6% cement, and 1-4% water. Both the recycled coarse and fine aggregates are derived from construction waste. The admixture component includes quicklime, sodium hydroxide, and zinc ricinoleate. The mass percentage of quicklime to sludge is 4-8%, the mass percentage of sodium hydroxide to sludge is 0.1-0.2%, and the mass percentage of zinc ricinoleate to sludge is 0.2-0.5%. This invention promotes the high-value utilization of urban solid waste such as sludge and construction waste, and yields a higher-performance road base material based on sludge and construction waste.

The utility model provides a folding garbage can which comprises an upper can portion and a PP binding band, convex buckles are symmetrically and fixedly installed on the left side and the right side of the upper can portion, and the two ends of the PP binding band are detachably installed through universal opposite buckles and the convex buckles. Anti-skid nails are arranged at the bottom of the lower barrel part, a mounting groove is formed in the lower edge of the rear wall of the lower barrel part, and a hanging rod is arranged between the left side wall and the right side wall of the mounting groove; the fixing belt comprises a rotary hook matched with the hanging rod, and the fixing belt is detachably installed on the lower edge of the rear wall of the lower barrel part through the rotary hook and the hanging rod. The side wall of the TPE folding part is a thermoplastic elastic corrugated wall; the upper edge of the TPE folding part is fixedly connected with the lower edge of the upper barrel part, and the lower edge of the TPE folding part is fixedly connected with the upper edge of the lower barrel part. According to the utility model, fixing modes such as bandages, buckles, hooks and the like are adopted, so that diversified scenes can be adapted, and the folding design can save space and is convenient to carry; and meanwhile, the rebound type can cover can reduce the dissipation of peculiar smell.

The application discloses a kind of microbial inoculum for promoting rapid heating of livestock and poultry manure compost, belong to compost inoculum technical field.The inoculant includes composite bacteria powder 8~15 parts, modified microbial carrier 75~88 parts, binder 2~5 parts.The composite bacteria powder is composed of heat-resistant bacillus, bacillus cereus, phlebia flavido-ochracea, bacillus subtilis, bacillus megaterium, bacillus licheniformis, rhodococcus, desulfovibrio, streptomyces and coagulase bacillus.The modified microbial carrier is prepared by photo-crosslinking reaction of quaternary ammonium ferric oxide and modified diatomite.The application realizes the rapid start and heating of compost by constructing efficient and synergistic composite bacterial community, and carrying functional carrier with multiple adsorption and protection effect, effectively reduces the volatilization of ammonia and other malodorous gases and nitrogen loss, solves the problem of difficult planting and short active maintenance time of bacteria in compost environment.

This utility model discloses a toilet for camping vehicles, belonging to the technical field of camping equipment. It mainly includes a toilet base, with a toilet trough rotatably connected to the upper part of the base. The toilet trough contains a collection hopper for receiving liquid waste and a discharge trough for receiving solid waste. A discharge channel is provided on the discharge trough. The toilet base contains a removable hopper and a storage tank. The hopper is located below the toilet trough and corresponds to the discharge channel. An outlet is provided on the collection hopper, which communicates with the storage tank. All components of this utility model are integrated into the toilet base, occupying little space. Solid waste is treated through biomass fermentation, while liquid waste is centrally stored and discharged, reducing reliance on external sewage facilities. It does not need to be fixed in one place and can be moved as needed. This utility model is mainly used in confined environments such as camping vehicles.