35results about How to "Decompose in time" patented technology

The invention discloses a high-efficiency ecological breeding method for South American white shrimps. The high-efficiency ecological breeding method includes the steps such as breeding greenhouse building, offspring seed selection, stocking preparation, breeding management, water quality management. The technology is advanced and applicable; operability is strong; and breeding risk of South American white shrimps is reduced. Disease incidence is reduced. Dissolved oxygen of varied water layers in greenhouses is improved; condition of bottom layer water is improved; improvement in appetites of the South American white shrimps is benefited; and digestibility and utilization rate of feeds are increased.

The degradable mulching product is prepared with 5000PPM activating ClO2 10-20 wt%, superfine ore powder 20-30 wt%, starch material 10-20 wt%, and honey locust gum powder or honey locust gum powder mixture 40-50 wt%. The degradable mulching can maintain temperature water and fertilizer of soil, raise plant seedling growth speed, etc. What is more important is that after the crop is harvested, the degradable mulching may decompose fast to kill bacteria and pests in soil and provide plant with nutrients without polluting soil and environment.

The invention relates to the technical field of wastewater treatment and discloses a gas and liquid mixing apparatus, which includes an aeration box body, a first transporting pipeline, a plurality of aerators, a fan blower, a triggering mechanism, an exhaust pipe, a drainage pipe, a drainage valve, and a control module. The aeration box body is provided with an aeration chamber. A wastewater inlet and a triggering water falling outlet are formed on the aeration box body, wherein the triggering water falling outlet is lower than the wastewater inlet. The first transporting pipeline is connected to the wastewater inlet and is used for feeding wastewater into the aeration chamber. A first triggering opening is formed in the first transporting pipeline and is provided with a filter screen. The aerators are disposed in the aeration chamber and are communicated with the fan blower. The fan blower is arranged on the outer wall of the aeration box body. The gas and liquid mixing apparatus can perform aeration to the wastewater in the aeration chamber timely.

The invention provides a sewage treatment method using A/O biological contact oxidation process belonging to environmental engineering technology field, which solves the problems that in the prior art the adaptability of water quality is not strong, the impact resistance perfermance is weak, the effluent water quality is unstable and sludge bulks or the like. The sewage treatment method using A/O biological contact oxidation process comprises the following steps: A. pretreatment; B. hydrolytic treatment; C. aeration treatment; D. deposition and disinfection, and has advantages of high volume loading, rapid rate of biodegradation and low cost.

The invention discloses a natural organic fertilizer which comprises the following components by weight: 15-35% of peanut shell, 10-25% of bean dregs, 20-40% of grass carbon, and 20-30% of chicken manure. The production method comprises: crushing peanut shell and bean dregs respectively; fermenting grass carbon soil and chicken manure respectively to decay; mixing the products in step a and b, and uniformly stirring. Main components of the fertilizer contain fermented grass carbon soil and manure, but previous traditional ideas are changed; cheap peanut shell and bean dregs are used, which decreases the fertilizer cost, and enables the fertilizer to be popularized and applied in large-area farmland. The peanut shell and bean dregs are not only low in cost, but also high in grease and protein content, and can effectively increase organic matter components of the fertilizer, improve the fertilizer efficiency, and prolong the fertilizer effect; the high grease content in the fertilizer facilitates the granulation of the fertilizer, and provides convenience for fertilizer application.

The invention discloses a chicken raising greenhouse. The chicken raising greenhouse comprises a greenhouse body. The greenhouse body comprises two first transverse frames and a plurality of lagging jacks arranged in a front-and-back mode and the two first transverse frames are arranged on the two sides of the top of the greenhouse body respectively. The top of the greenhouse body is provided with two supports vertically connected with the greenhouse body. The two supports are provided with triangular roofs. Rotating shafts are arranged on the greenhouse body and below the first transverse frames and arranged in the length direction of the greenhouse body, and one end of each rotating shaft is connected with a rotating device. The distance between the two first transverse frames is smaller than the distance between the two inclined edge bottoms of the triangular roofs. The lower portions of the two side faces of the greenhouse body are provided with iron gauzes. The part between each transverse frame and the upper end of the iron gauze located on the same face with the transverse frame is covered with a first plastic thin film. The part between the two rotating shafts and the triangular roofs is covered with a second thin film. The front face and back face of the greenhouse body are provided with gates. The chicken raising greenhouse can perform ventilation and shelter rainwater, the air in the greenhouse can circulate, and the service life of a fermentation bed can be prolonged.

The invention relates to a treatment method of PM2.5 in suburban areas of Beijing. According to the method, a solution containing a haze covering agent and ozone is sprayed on the height position of 200-500 mm in the suburban areas of Beijing, the content of the haze covering agent is 0.5-5 kg/L, and the content of the ozone is 0.05-0.1 g/L. According to the treatment method, fresh natural air can be brought to Beijing, people can live in a fresh and clean living environment, and the groupment public health event caused by standard exceeding of bacteria and microorganisms in air can be reduced; hazardous substances can be decomposed in time, fresh air is conveyed, secondary harm to people from haze is reduced, and a forceful guarantee is provided for safety of public places; very important significance and high value are achieved for building a civilization and harmony society; and the happiness index of the city resident is increased, more residents can participate in outdoor sports, the fitness of the bodies of the residents is facilitated, and the morbidity is reduced.

The invention discloses a biological bedding. The biological bedding comprises a padding layer and a mixture layer, wherein the padding layer is made of straws, and the mixture layer is prepared from the following components in parts by weight: 30 to 50 parts of vegetable residues, 30 to 50 parts of melon and fruit residues, 25 to 30 parts of saw dust, 20 to 25 parts of bran and 5 to 10 parts of mushroom strains. In the mode, according to the biological bedding, excreta of poultry can be decomposed in time, the environment of poultry houses is improved, environmental pollution is reduced, and the yield of the poultry is increased. Additionally, the biological bedding has the advantage of rapidity in fermentation of the strains, and harmful organisms such as pathogenic bacteria, worm eggs and the like are reduced.

The invention relates to the technical field of household appliances, and particularly relates to a dish washing machine which comprises a washing assembly, a disinfectant fluid generating device and a power supply device. The disinfectant fluid generating device comprises a water storage structure, the water storage structure is provided with a water inlet, a water outlet and a fluid discharge part, the water inlet is suitable for being communicated with a water source, the water outlet is connected with the washing assembly, and an outlet of the fluid discharge part faces the power supply device; a discharge electrode is included and is arranged in the water storage structure and is connected with a live wire of the power supply device; a loop electrode is included and is connected with a zero line of the power supply device; a barrier medium is included and is disposed between the loop electrode and the discharge electrode; and an air inlet channel is included and is arranged on the water storage structure, and the air inlet channel is suitable for introducing air.

The invention discloses a carbon-silicon carbide porous filter for purifying the air and a preparation method thereof. The preparation method comprises the following steps: by taking 60-70wt% of coconut shell charcoal powder, 10-15wt% of activated carbon powder, 10-25wt% of monatomic silicon and 5-8wt% of silica powder as raw materials, mixing to obtain a mixture; and adding ferric chloride powderaccounting for 1-5wt% of the raw materials, carboxymethyl cellulose accounting for 0.1-0.6wt% of the raw materials and water accounting for 20-35wt% of the raw materials into the mixture, and stirring to obtain a slurry; immersing polyurethane sponge into the slurry; and taking out the polyurethane sponge, carrying out extrusion molding or slurry throwing molding by using double rollers, drying,baking, putting into an obtained product into an atmosphere sintering furnace, sequentially heating to 200-220 DEG C, 600-650 DEG C and 1000-1200 DEG C at three rates in a carbon burying atmosphere oran inert atmosphere, and cooling along with the furnace to obtain the carbon-silicon carbide porous filter for purifying the air. The process is simple, and the prepared carbon-silicon carbide porousfilter for purifying air is small in air resistance, high in PM2.5 filtering efficiency and high in formaldehyde and VOC gas removal rate.

The invention provides a rotary tillage and fertilization seeder and relates to the field of rotary seeding machines. The rotary tillage and fertilization seeder comprises a rack, a seed manure box, arotary tillage assembly, a compression roller, a lifting frame and a gear box, wherein the rotary tillage assembly is installed below the front end of the rack, the compression roller is installed below the rear end of the rack, the seed manure box is installed above the middle of the rack, the gear box is arranged on the rack, and the rotary tillage assembly, the compression roller and the seedmanure box are in transmission connection with the gear box. The rotary tillage and fertilization seeder also comprises a rotary cutter roller, a rotary cutter roller supporting arm, a fan and a steelwire pipe, wherein the rotary cutter roller is fixed to the front end of the rack through the rotary cutter roller supporting arm and located at the front end of the rotary tillage assembly, the fanis fixed to the upper portion of the front end of the rack, the steel wire pipe is obliquely installed above the rear end of the rack and is arranged high in front portion and low in rear portion, anair outlet of the fan is communicated with an air inlet formed in the front side of the steel wire pipe, and an air inlet of the fan is located in the upper portion of the rotary cutter roller. The rotary tillage and fertilization seeder is reasonable in structural design and can collect straw smashed by a returning machine and chop and throw the straw behind the compression roller.

The invention discloses a combined type ecological cycle planting and breeding system. According to the invention, the tail water discharged from the glass tank fish tank culture area is subjected to microbiological treatment, then enters the vegetable cultivation system and is biologically absorbed and filtered by vegetable root systems, the treated wastewater is returned to the culture pond, and no wastewater is discharged, so that the production requirements of high-quality fresh fishes and vegetables are met, and nutrient loss which pollutes the environment is avoided; beneficial bacteria are utilized in the breeding tail water system to adjust balance of bacterial phases and algae phases in water and prevent deterioration of the water environment caused by accumulation of residual feed and metabolites, and bacillus has the effects of preventing excessive accumulation of excrement, dead algae and residual feed, promoting updating of the algae phases, decomposing organic matters in water in time and improving water quality. The compound system of the closed loop process has very obvious improvement and restoration effects on water quality and substrate of the pond, can be used for large-scale production, is high in efficiency, and reduces the use of water resources to a great extent.

The invention discloses an injection mold for a shell body of a displayer support, and a forming process thereof, and belongs to the technical field of computer accessories. According to the scheme, oxygen penetrates through an exhaust guide hole, enters an oil storage cavity, ejects a rubber sealing piece open, then enters a position between a contact attachment film and the exhaust guide hole and reacts with reductive iron powder; on one hand, by the aid of the lubricating effect of lubricating oil, the adhesion degree of the contact attachment film and a finished product wrapped by the contact attachment film and an upper die shell can be reduced; on the other hand, by the aid of the continuous action of oxygen, separation for the contact attachment film and the exhaust guide hole can be prompted, and therefore the separation efficiency for the finished product and the upper die shell is increased; in addition, by the aid of the lubricating effect of the lubricating oil, the finished product wrapped by the lubricating oil can be protected, and by means of the sealing effect of the lubricating oil, the phenomenon of local oxidation caused by contact between the finished product after demolding, and air can be reduced; and by the aid of ferroferric oxide powder generated after the reaction, the demolding efficiency of the contact attachment film and the injection-molded finished product can be increased under the adsorption effect of magnet end balls on the ferroferric oxide powder.

The invention discloses a thermomagnetic separation display support shell mold and a forming process thereof, and belongs to the technical field of computer accessories. According to the scheme, oxygen penetrates through an exhaust guide hole to enter an oil storage cavity, ejects a rubber sealing piece open, then enters the position between a contact attached film and the exhaust guide hole and reacts with reductive iron powder; on the one hand, and by means of the lubricating effect of lubricating oil, the adhesion degree of the contact attached film and a finished product wrapped by the lubricating oil and an upper mold shell can be reduced; on the other hand, by means of the continuous effect of oxygen, the contact attached film can be promoted to be separated from the exhaust guide hole, and therefore the separation efficiency of the finished product and the upper mold shell is improved; and in addition, by means of the effect of the lubricating oil, on the one hand, the finishedproduct wrapped by the lubricating oil can be protected, the phenomenon of local oxidation caused by contact between the finished product and air after demolding can be reduced by utilizing the sealing effect of the lubricating oil, and by means of ferroferric oxide powder generated after reaction, the demolding efficiency of the contact attached film and the injection molding finished product canbe improved under the adsorption effect of magnet end balls on the ferroferric oxide powder.