33results about How to "Effective reduction" patented technology

A method and device for producing a minus-ion air similar to a heated compressed hot air stream, electromagnetic waves in the far-infrared and submilimeter region (hereinafter referred to as ''terahertz wave'') by regulating the discharge pressure and the discharge temperature. The device is excellent in versatility, small in size, and low in cost. An object processed by using the method and device, a processing method, and a processing apparatus are also provided. Air is sent from a blower or an air compressor (2) through an air pipe (8) to a heated compressed air regulator (vessel (3)). The air sealed in the heated compressed airregulator (1) regulated under a predetermined discharge pressure (for example, 30 kPa to 150 kPa) and at a temperature (40 DEG C to 250 DEG C) is passed through a through hole (4A) of a circular plate (4) to produce a heated compressed air. In the produced hot air stream, a resonance electromagnetic wave resonating with the natural frequency of the water molecule is generated by a terahertz wave and a generated thermal shock wave, thereby the hydrogen bond of the water molecules in the air is cut, and electrons are released from hydrogen atoms, thus also producing a minus-ion air stream. A processed object, a processing method, and a processing apparatus are so constituted that the produced hot air stream is used for drying, production of a functional water by exposing water to the hot air stream, production of an aqueous fuel, beauty/health appliances, air/water quality improvement devices, combustion efficiency enhancement devices for internal combustion engines, and so forth.

The invention provides a method for implementing sludge reduction by taking advantage of a municipal sewage pipe network and relates to sludge reduction methods. The method solves the problems of large occupied land area, wide pollution range and high treatment expense caused by the existing sludge treatment. In the invention, a sludge transmission pipeline is arranged between a sewage treatment plant and an inspection pit of the municipal sewage pipe network, the microbial cells of the sludge in the sludge transmission pipeline are smashed; a bioreactor is arranged on an urban trunk sewer or trunk pipe, aeration is implemented in the inspecton pit and the bioreactor, and the sludge smashed and reduced by the bioreactor is input to the sewage treatment plant. Compared with a traditional urban sewage treatment method, the invention has low cost, small investment, high efficiency and good treatment effect, relieves the load of subsequent processing technology, reduces the volume of subsequent treatment structure and lowers engineering cost. In appropriate conditions, the sludge possibly has zero growth or even negative growth and can be effectively reduced.

The invention discloses a method for performing biological denitrification on wastewater by using residual sludge and a biological denitrification system for implementing the method. The method comprises the steps of (1) performing sequencing batch internal circulation A/O biological denitrification on the wastewater to be treated, and taking the residual sludge discharged after denitrification; (2) performing ultrasonic treatment on the residual sludge to obtain a sludge mixed solution; (3) performing anaerobic fermentation on the sludge mixed solution to obtain fermentation broth, and refluxing the fermentation froth to the wastewater to be treated; and (4) repeating the steps (1)-(3). A filling material is added in an aerobic tank to improve the degradation efficiency of functional microbes to pollutants; tubificidae are loaded on the filling material to prey active sludge so as to realize effective reduction of the residual sludge; and the discharged residual sludge is further treated to obtain fermentation broth serving as a carbon source, so that an additional carbon source does not need to be added, the problem of insufficient denitrification carbon source is solved, and secondary reduction of the residual sludge is realized.

The invention relates to a method for the innocent treatment of surplus sludge after the biochemical treatment of organic chemical waste water, which comprises the following steps: settling the surplus sludge, slaking, dehydrating and calcining. The method is characterized in that the settled sludge having a water content of 97-99% is slaked; in the slaking step, the sludge and carbide slag slurry are thoroughly stirred with compressed air in a slaking tank and are slaked with strong alkali, the volume of the sludge is 0.02-0.08% of the volume of the carbide slag slurry, the pH value of the carbide slag slurry is 12-14, and the solid content is 5-8%; after the slaking step is finished, filter press dehydration is performed to obtain a filter cake having a water content of 30-35%; and in the calcining step, the filter cake is used as one of components for producing cement clinker and is calcined in a kiln. The treatment method realizes the reutilization of sludge.

The invention relates to an engineering method for recycling high-suspended solid concentration wastewater, and provides a reliable novel scheme tested in practice for treating and recycling the wastewater rich in suspended solids. The specific process adopts a primary treatment-secondary treatment-tertiary treatment design process, and comprises a sludge treatment system, and a recycle water supply system is connected in the follow-up process. Especially, a spiral grid machine, a vibrating screen classifier, an integrated air flotation device, a vertical fiber cloth filter and the like are reasonably matched, thereby performing multi-stage solid-liquid separation on the wastewater, and fully exerting the functions and advantages of various equipment, so that a large amount of suspended solids and organic matter in the wastewater can be effectively removed. Finally, the water resources are recycled by a recycling system, and discharged mud and discharged slag are treated by the sludgeto be recycled or form a mud cake for further treatment. The method provided by the invention solves the problem that the influent suspended matter content is too high and the effluent water is difficult to reach the recycle water standard, and the treatment effect is good, the utilization value of useful resources is also improved, and the generalizability is extremely high.

The invention relates to a set for wastewater treatment and sludge reduction and application thereof, in particular to an A2O (anaerobic-anoxic-oxic), MBR (membrane bio-reactor) and miniature animal bio-bed set for wastewater treatment and sludge reduction and application thereof, and overcomes the defects that a traditional A2O process has low removal rate of nitrogen and phosphorous, a secondary sedimentation tank has large floor area, sludge yield is high and quality of outgoing water meeting the quality standard of recyclable water is difficult. The set comprises an anaerobic tank, an anoxic tank, an aerobic tank, an MBR (membrane bio-reactor) and a miniature animal bio-bed. The set is used for wastewater treatment and sludge reduction. The set has high removal rate of nitrogen and phosphorous and small floor area, the quality of the outgoing water can meet the quality standard of recyclable water, and a sludge amount is greater than 40% lower than that of the traditional A2O process.

The invention discloses a method for reducing ethyl carbamate in fermented food through a synthetic leavening agent, and belongs to the field of wine brewing and food safety. The invention provides a strain of lactobacillus fermentum d6 which is preserved in the China Center for Type Culture Collection on November 2, 2021, and the preservation number of the lactobacillus fermentum d6 is CCTCC NO: M 20211358. A synthetic fermentation agent containing lactobacillus fermentum, saccharomyces cerevisiae, rhizopus oryzae and Vickerhamomyces anomalus is prepared to simulate yellow rice wine fermentation, and the result shows that the content of urea and the content of ethyl carbamate in the yellow rice wine after fermentation are detected to be obviously reduced compared with a control group, and the maximum reduction amount is 97.4% and 90.9% respectively.

The invention discloses a sludge recycling system, belongs to the technical field of sludge recycling, and aims at providing the sludge recycling system which is characterized by sludge reduction and has the advantage of effectively using sludge as fertilizer. According to the technical scheme, the sludge recycling system includes a sludge concentration basin, a belt filter press, a fermentation chamber and a finished-product area which are connected in sequence. Fermented cured materials are put into a cured-material bin by an excavator, according to an out-of-bin sequence, the fermented cured materials are stacked into stacks by a packing machine, and through curing for about seven days, finished-product packaging and outward transporting can be conducted. Sewage collection trenches are arranged on the ground in a turnover regulation basin, a fermentation basin and the fermentation chamber, collected sewage enters a buried-type JYZ integrated membrane treatment device and is treated, and sewage effluent passes through a lifting pump and reaches a biological filtering basin or the sludge concentration basin. The sludge recycling system has the advantages that through the optimization and fermentation of the sludge recycling system, the amount of the sludge is effectively reduced, and at the same time, the sludge fertilizer subjected to compost has the effects of good fertilizer efficiency and the like.

The present disclosure provides a hierarchical separating and grading method of coal gangue, and belongs to the technical field of coal gangue treatment and resource utilization. According to differences in the composition and properties of coal gangue, especially differences in Hardgrove grindability index (HGI), the present disclosure performs hierarchical crushing and screening to separate coal gangue into coal, sand, stone and soil. The coal can be used as a fuel for a coal gangue power plant or as an ordinary fuel. The sand and stone can be used to prepare manufactured sand and stone. The soil can replace loess for filling or preparing a building material. Obviously, by separating coal gangue into different components through hierarchical separating and grading, the present disclosure can achieve all-components utilization and effective reduction of the coal gangue.

The invention provides additive machining equipment and a machining method. The additive machining equipment comprises a workbench, a spray head device, a driving device, an electric field generating device and a magnetic field generating device, wherein the workbench is capable of conducting electricity; the spray head device comprises a conductive nozzle and a conductive lower connecting piece, the lower connecting piece is provided with a penetrating first channel, the conductive nozzle is suitable for being in contact with a conductive wire, and inert gas is suitable for being introduced into the first channel; the driving device is connected with the spray head device, and used for driving the spray head device to move; the electric field generating device is electrically connected with the spray head device and the workbench, and used for generating an alternating electric field between the workbench and the conductive wire, and the alternating electric field is used for puncturing the inert gas to generate a plasma arc; and the magnetic field generating device is used for generating an alternating magnetic field in the first channel, and the alternating magnetic field is suitable for synchronous alternating with the alternating electric field.

The invention discloses a comprehensive utilization method of aluminum-containing waste acid. The method comprises the following steps: the aluminum-containing waste acid in a raw water tank is subjected to impurity removal treatment, then enters a special separation membrane system and is filtered and separated, the acid penetrates through a special separation membrane to enter a reuse water tank, aluminum is intercepted and returned to the raw water tank, circular separation is performed until the aluminum in the raw water tank is concentrated to osmotic pressure, and an acid liquor and concentrated aluminum-containing waste acid are obtained through recovery, wherein the pressure of filtering separation is 2.0-8.0 Mpa. Efficient separation of the acid and aluminum in the aluminum-containing waste acid is realized through pressurization, filtration and separation of special separation equipment; the recovery rate of the whole acid reaches over 60%, the aluminum concentration ratio isgreater than 50%, the effective reduction of the waste acid is realized, the reduction quantity is 50% or above; the acidity of recovered acid is higher than that of raw acid through pressurization,the concentration of the recovered acid is effectively increased, the concentration of the recovered acid is increased by 3% or above, the concentration of aluminum in the regenerated aluminum-containing waste acid can reach 4.8%, the acidity is 12.1%, the regenerated aluminum-containing waste acid can be used for producing an aluminum-based water purifying agent, and the production cost of the water purifying agent product is reduced.

The invention discloses an automobile metal plate repair machine. The automobile metal plate repair machine comprises a repair machine body made of aluminum; the top end of the repair machine body isprovided with an electric control panel, the electric control panel is embedded in the repair machine body, and the upper end of the electric control panel is provided with a display screen, a power switch and buttons; and the display screen is electrically connected with the power switch, the buttons are closely attached to the electric control panel, the lower right end of the display screen isprovided with air gun inserting holes, and the outer sides of the air gun inserting holes are provided with insulated air pipes. The joint integrity can be further perfected by arranging an adjustingdevice, the phenomenon that the joint is scratched is effectively prevented, in addition, the repairability of the repair machine body and other devices is higher by arranging the electric control panel, the repair machine body does not deviate even though being subjected to high-strength operation, the stability and high efficiency of the automobile metal plate repair machine are achieved, and the automobile metal plate repair machine has wide application market.

The invention provides a novel electronic packaging box inner liner and a preparation method thereof. The inner liner comprises a body, wherein a separation part is arranged in the middle of the body; a first material pull-out part is arranged in the middle of the separation part; mounting areas are symmetrically arranged on the two sides of the separation part; limiting protruding parts are symmetrically arranged in the mounting area, and limiting grooves are symmetrically formed in the limiting protruding parts; a limiting buffer part is arranged between every two adjacent limiting protruding parts; reinforcing buffering parts are symmetrically arranged on the periphery of the body; and second material pull-out parts are arranged in the reinforcing buffering parts. Through synergistic compounding of all the components of a plastic uptake material, the low-thickness inner liner can be prepared, and has high strength and excellent heat insulation performance and mechanical performance at the same time. By means of the structure, effective reduction can be achieved, the problem of environmental pollution caused by current plastic packaging products can be effectively solved, and the plastic packaging industry is promoted to be healthily developed in the low-carbon and sustainable direction.

The invention discloses an automobile sheet metal repairing machine, which comprises a repairing machine body made of aluminum alloy, an electric control panel is arranged on the top of the repairing machine body, and the electric control panel is nested and arranged on the repairing machine body , the upper end of the electric control panel is provided with a display screen, a power switch and buttons, and the display screen is electrically connected to the power switch, and the buttons are closely attached to the electric control panel, and the right side of the display screen The lower end is equipped with an air gun socket, and an insulating gas pipe is provided on the outside of the air gun socket. The setting makes the repair machine body and other devices more repairable, even in the face of high-intensity operations, it will not cause the position of the repair machine body to shift, and realizes the stability and efficiency of this type of automobile sheet metal repair machine , has a wide range of application markets.

The invention belongs to the technical field of water treatment, and particularly relates to a medicament for fixing and reducing benzene series as well as a preparation method and application thereof. The agent comprises bentonite and persulfate ions, according to the method disclosed by the invention, the benzene series in the pollution source area can be effectively fixed and reduced without physically or chemically activating substances containing the persulfate ions through the matching effect of the bentonite and the persulfate ions. Furthermore, the bentonite fixing technology and the persulfate ion advanced oxidation method are combined, the pollutant is fixed in situ, meanwhile, the reduction effect is achieved, the agent can prevent migration and diffusion of the pollutant and can fix the pollutant in situ for reduction, reduction is thorough, and the treatment effect is good. And bentonite and peroxydisulfate ions do not generate other influences on a polluted site.

The invention discloses a strain for reducing accumulation of urea and ethyl carbamate in yellow wine and application of the strain, and belongs to the field of wine brewing and food safety. The invention provides a strain of Saccharomyces cerevisiae G2, which is preserved in the China Center for Type Culture Collection on November 02, 2021, and the preservation number is CCTCC NO: M 20211359; the saccharomyces cerevisiae can degrade urea and lactobacillus fermentum d6 capable of producing ethyl carbamate hydrolase at the same time, the saccharomyces cerevisiae is added into yellow rice wine fermentation at the same time, in the pre-fermentation stage and the post-fermentation stage, it is finally detected that the urea content and the ethyl carbamate content in the yellow rice wine after fermentation are obviously reduced compared with those of a control group, and the reduction amounts are 70.06% and 68.73% respectively.