158results about How to "Lower the target" patented technology

The invention relates to a device for purifying livestock and poultry breeding wastewater by microalgae on a large scale and an applying method thereof. The system comprises a pretreatment system, a greenhouse system, a photobioreactor system, an alga liquid concentration online detection system, a collecting system, a water circulating system, a temperature control system and a lighting system for livestock breeding. According to the invention, microalgae are cultivated by means of modulated wastewater produced in livestock breeding on the large scale, so that the production cost for cultivating microalgae is greatly lowered. Nitrogen and phosphorus in the liquid waste serve as nutrient substances for cultivating microalgae, so that indexes of wastewater are reduced, sewage is purified, and the water quality is improved.

The invention relates to a treatment, regeneration and cyclic utilization method for tobacco sheet production wastewater. The method comprises steps of slag removal, chemical decalcification, air floatation, anaerobic treatment, electrolysis, A/O treatment, secondary electrolysis, membrane treatment/aeration biological filter biochemical treatment, third electrolysis, desalination in sequence to obtain reclaimed water. The method combines a chemical decalcification technology, a biochemical technology, an electrochemical technology, a BAF technology and a membrane technology. The method has low cost and high efficiency. 75%-85% of the tobacco sheet production wastewater can be regenerated, cycled and utilized after being treated, thereby reducing wastewater discharge, protecting the environment from being polluted by the wastewater, reducing water resource waste, and allowing the cost of the recycled water to be lower than the cost of tap water. The method is economic and reasonable, and can produce good economic benefit.

The invention relates to an energy storage optimization control method considering wind power dispatching and frequency modulation limit, which is characterized by comprising the following steps of: establishing a wind storage operation model taking the maximum profit of a wind storage power station as a target in an electricity market environment by utilizing a strategy that an energy storage auxiliary wind power plant tracks a day-ahead dispatching plan and participates in frequency modulation, wherein the wind storage operation model is used for calculating the optimal output for tracking the day-ahead scheduling plan and participating in frequency modulation of the energy storage auxiliary wind power plant. When an energy storage SOE state is normal, the capability of tracking the scheduling plan of the wind power plant can be improved, so that the tracking scheduling plan index is obviously reduced compared with that when no energy storage exists; frequency safety constraint formed by the power grid frequency modulation limit can forcibly store energy to provide frequency modulation power, so that the power grid frequency safety is effectively maintained; and under the condition of considering income of operation cost, energy, frequency modulation and the like, one-day profit of the wind storage power station can reach 188677 yuan, which shows that good economic benefits are achieved by simultaneously using the energy storage for assisting the wind power plant in tracking the scheduling plan and participating in frequency modulation in the electricity market environment.

The invention provides a treatment method of tobacco sheet production wastewater. The treatment method comprises the following steps of: removing slag, carrying out chemical de-calcification, carrying out anaerobic treatment, carrying out electrolysis, carrying out A/O treatment, carrying out secondary electrolysis, biochemically processing by using a biological aerated filter, and disinfecting and treating sludge. The treatment method of tobacco sheet production wastewater is used for treating the tobacco sheet production wastewater by combining a chemical de-calcification technology, a biochemical technology, an electrochemical technology and a BAF (Biological Aerated Filter) technology, so that the cost is lower and the efficiency is higher, and therefore, the wastewater can be exhausted after reaching the standards.

The invention discloses a preparation method of fried dough twists without additives, solving the problems of poor crisp taste of fried dough twists, damage to human body health, high oil absorption of fried dough twists existing in the traditional making of fried dough twists by inevitably adding food additives. The method of the invention comprises the following steps of: evenly mixing leaven and seasonings with water; adding flour and evenly kneading into dough; then, twisting the dough into long fried dough twists; and putting into a pot to fry, wherein high-temperature gluten breaking powder which accounts for 20-40 percent of the mass of the flour is also added to the raw materials and is prepared by the high-temperature anhydrous treatment of the flour. The invention has extremely simple production process, low production cost, no additive, low fat content and crisp taste without bitter taste and is suitable for all crowds.

The invention discloses a preparation method of a carbon fiber and silicon dioxide nanosphere synergically filled ultra-high molecular weight polyethylene wear-resistant material and relates to the field of nanotribology, in particular dispersion of a nano material in high molecular resin and tribological properties thereof. The preparation method comprises the following steps: firstly, modifyingthe carbon fibers with nitric acid to obtain nitric acid modified carbon fibers; loading silicon dioxide nanospheres on the surfaces of nitric acid modified carbon fibers by means of a sol-gel processto obtain a composite material of silicon dioxide nanospheres and carbon fibers, and performing surface coupling treatment to obtain coupled composite packing; and finally, mixing the coupled composite packing with ultra-high molecular weight polyethylene, and performing hot pressing and sulfidizing to obtain the carbon fiber and silicon dioxide nanosphere synergically filled ultra-high molecularweight polyethylene wear-resistant material. The composite material has relatively good mechanical property, frictional wear-resistant property, mortar wear property and machine shaping property.

The present invention discloses a method for purifying water quality by utilizing submerged bed. Said method includes the following steps: (A) making zeolite bed; (B) zeolite treatment; (C) regulating depth of zeolite bed under the water surface; (D) planting submerged plant; (E) fixing zeolite bed or no fixing it; and (F) regulating zeolite bed.

The invention relates to a treatment and regenerative cyclic utilization device for tobacco sheet production wastewater. The treatment and regenerative cyclic utilization device comprises a mechanical coarse-grille water collecting basin, a rotary fine-grille machine, a regulation pool, a primary decalcification reaction pool, a secondary decalcification reaction pool, a primary sedimentation tank, a filtering device, a coagulation tank, an air flotation tank, a UASB (Upflow Anaerobic Sludge Blanket) anaerobic tank, an electrolyzer a, an anaerobic pool, an aerobic pool, a secondary sedimentation tank, an electrolyzer b, a membrane treatment device or biological aerated filter, an electrolyzer c, a water supply pump, a desalting device, a reclaimed water storage tank, a sludge tank, a sludge dewatering device, an accident pool, a gas collection device and a marsh gas storage tank. The treatment and regenerative cyclic utilization device has the advantages that on the basis that chemical decalcification techniques, biochemical techniques, electrochemical techniques, BAF (Biological Aerated Filter) techniques and membrane technologies are combined, the cost is lower, and the efficiency is higher; after the tobacco sheet production wastewater is treated, 75-85% of the tobacco sheet production wastewater can be utilized in a regenerative and cyclic manner, so that the discharge of the wastewater is reduced, the environmental pollution caused by the wastewater is avoided, and the waste of water resources is reduced; and the cost of reclaimed recycled water can be lower than the price of tap water, so that the reclaimed recycled water is economical and reasonable, and a better economic benefit is generated.

The invention belongs to the technical field of biological activated carbon and biological water purifying agents, and particularly relates to a water purifying agent of self-forming block carbon carrier immobilized microorganisms and a preparation method thereof. Self-forming block porous carbon is placed in a culture medium, compound bacterial strains are inoculated into the culture medium at the same time, and after oscillating co-culture and drying, the microbial water purifying agent is prepared; because porous blocks are formed in the synthesis process of carbon carriers, the compression molding process of the carbon carriers is not involved in the preparation of the microbial water purifying agent, the procedures are simplified, and the cost is saved; meanwhile, the self-forming block carbon has hydrophilicity, and the effect of adsorbing and fixing the microorganisms is improved in the co-culturing process of the carbon and the microorganisms; the water purifying agent has the advantages of achieving a double purification functions of adsorption and degradation and being stable in effect, easy to precipitate and treat and the like, and is very suitable for the large-scale treatment of anaerobic wastewater for culture.

The invention relates to a process device for waste water generated in tobacco sheet production. The process device comprises a machinery coarse screen collecting tank, a rotary grillage machine, a floatation tank, a primary decalcification reaction tank, a secondary decalcification reaction tank, a coagulating basin, a primary settling tank, a regulating tank, a hydrolysis acidification pool, a UASB (upflow anaerobic sludge blanket) anaerobic pool, an electrolysis machine a, an anoxic pool, an aerobiotic pool, a medium settling tank, an electrolysis machine b, an MBR (membrane biological reactor) system, an electrolysis disinfection tank, a sludge tank, a sludge dewatering tank, an accident pool, a gas collecting device and a methane storing tank. The process device is based on the combination of a chemical decalcification technology, a biochemical technology, an electrochemical technology and an MBR technology, thus having low cost and high efficiency, and the discharged waste water reaches the standard.

The invention discloses a method for prolonging the service life of a magnetic state-selection cesium-beam tube, and a magnetic state-selection cesium atomic clock. The method can prolong the service lives of the existing domestic cesium-beam tube and the magnetic state-selection cesium atomic clock. According to the method provided by the invention, the service life of the magnetic state-selection cesium-beam tube is prolonged by reducing the output current of a multiplier, and finally the service life of the cesium clock is increased by more than one time. Meanwhile, the output signal current of the electronic multiplier is recovered to a frequency locking requirement in an external circuit amplifying manner, and a working voltage automatic adjustment function of the electronic multiplier is added and thus the condition that performance indexes of the cesium clock meet requirements is ensured.

The invention relates to a method for processing waste water generated in production of tobacco sheet. The method comprises the following sequential steps of generation of waste water in production of tobacco sheet, deslagging, chemical decalcifying, anaerobic treatment, electrolysis, A/O (anaerobic/oxic) processing, secondary electrolysis, MBR (membrane biological reaction), electrolysis disinfection and up-to-standard release. Based on the combination of a chemical decalcification technology, a biochemical technology, an electrochemical technology and an MBR technology, the method can effectively process the waste water generated by tobacco sheet production, is low in cost and has high efficiency, and the discharged waste water reaches the standard.

The invention discloses a composite gasoline additive and a preparation method. The composite gasoline additive comprises the following components in parts by weight: 5-15 parts of a cleansing-performance functional group, 15-25 parts of an energy-saving and emission-reducing functional group, 3-6 parts of a lubricating functional group and 55-70 parts of a diluent capable of improving safety performance. By the composite gasoline additive provided by the invention, the quality of gasoline can be improved effectively, a gasoline engine can save fuel by 13% or above under the same running conditions, indexes of hydrocarbon HC, carbonic oxide CO and oxynitride NOx can be reduced by 50% or above, meanwhile, effects of removing and inhibiting carbon deposit can be achieved, and compounding of functions is realized. The composite gasoline additive has the characteristics of excellent cleanliness, efficient fuel economization, tail gas emission reduction and the like. By the preparation method of the composite gasoline additive provided by the invention, the technology is simple and conveniently, consumed energy is less, compatibility and compounding of various functional groups are realized effectively, and the prepared additive is stable and can be stored and conveyed safely.

The invention relates to the technical field of turbine engines, and discloses a small turbine engine rotor bearing and lubricating integrated structure. The structure comprises a casing, an engine rotating shaft, a locking nut, a closed type centrifugal pump, a positioning sleeve, a bearing, a rear plug cover, a front plug cover and a rotor impeller are arranged on the casing, a strip groove is formed in the casing, a structure, for mounting the bearing, of the casing and the side wall of the casing are in a cantilever manner, a guide block connected with the closed type centrifugal pump andthe bearing is arranged in sealed space formed by the front plug cover, the rear plug cover and the casing, an inner cavity way is formed in seal space formed by the front plug cover, the rear plug cover and the casing, the inner cavity way can communicate with an inlet and outlet of the closed type centrifugal pump and penetrates through the guide block to be connected with the closed type centrifugal pump and the rotating shaft to form an inner circulation oil way, and a slide oil injection hole is formed in the casing. The problems that an existing small turbine engine bearing structure iscomplex, and a lubricating system is heavy are solved, and high integration of elastic bearing and slide oil inner circulation of a small turbine engine and the efficient heat exchange effect are achieved.

The invention discloses a combustion treatment and comprehensive utilization production technology of household garbage. The combustion treatment and comprehensive utilization production technology specifically comprises the following steps: (1) carrying out primary crushing on mixed garbage: carrying out the primary crushing on household garbage materials in a sealed crushing device; (2) sieving:removing mud and percolated liquid from the materials through a sealed sieving device and recycling and treating the mud and the percolated liquid; (3) storing the materials: conveying the materialsinto a sealed storage bin through a sealed channel and recycling the percolated liquid and waste gas; (4) removing iron: uniformly conveying the materials in the sealed storage bin into an iron removing device; when the materials reach a magnetism-breaking position, an iron block falls into an appointed storage cabin; conveying other mixed garbage materials to the next section through a sealed conveyor; (5) carrying out treatment steps of washing mixed garbage with water and classifying, squeezing and dehydrating, drying, carrying out air separation, treating block-shaped materials and the like in sequence, and finally treating the garbage by classes. By adopting the technology, the stability and service life of a boiler can be improved and dioxin toxic gas is eliminated; the utilization and yield of biogas clean energy sources are improved.

The invention relates to a method for effectively controlling algal blooms by utilizing microbes, which comprises the steps: four different physiological groups of microbes which are bacillus, acinetobacter, denitrifying bacterium and photosynthetic bacterium are mixed to form a mixed bacteria culture according to the volume ratio of 1 to 3 : 1 to 4: 1.7 to 6: 1 to 5; and bacteria addition treatment is carried out for one time every seven days according to 0.05 to 0.2per mill of addition volume of the volume of a treated water body by a continuous bacteria addition method. The mixed bacteria culture can simultaneously purify and treat various pollutants in eutrophic water body, has strong adaptability, can quickly form dominant microflora in water body, lead all pollutant indexes of purified and treated eutrophic water body to be obviously reduced and have good removal effect and higher removal rate, wherein in eutrophic water body, the removal rate of TN reaches 83.1 to 84.4%, the removal rate of TP reaches 86.7 to 92.1%, the removal rate of COD reaches 76.9 to 82.9 %, and the removal rate of Chla reaches 87.2 to 90.4%. The purification method is simple to operate and has low operating cost, is safe and reliable, can maintain water quality of water body for long term and has good economic, ecological and social benefits.

The invention provides a double loop VIV (vortex induced vibration) string-drum-shaped tangent tower which mainly comprises a tower body (11), a lead cross arm (12), a ground wire bracket (13) and tower legs (14) and is characterized in that the lead cross arm (12) comprises an upper-layer cross arm (121), a middle-layer cross arm (122) and a lower-layer cross arm (123); the upper-layer cross arm (121) and the lower-layer cross arm (123) adopt a V-shaped insulator string; and the middle-layer cross arm (122) adopts an I-shaped insulator string. At present, a three-phase I-string is larger in the gap between the upper and middle lead layers and not high in space utilization rate, and the corridor is larger in width, the occupied space is large, and the cost is high. The three-phase V has the highest tower head and the longest cross arm in the rod tower mode of the three layers of cross arms; the front inclined materials of the cross arm are all stressed material, therefore, the steel index is not economic; and a great number of insulators are consumed. The double loop string-drum-shaped tangent tower in mode of VIV string arrangement has more advantages in steel index conservation, tower head size reduction, corridor width optimization, line security assurance and other aspects.

The invention discloses a technology and a device for co-producing ofproducing industrial monoammonium phosphate and co-producing high-quality monoammonium phosphate by utilizing middle-grade and low-grade collophanite. The technology comprises the following steps: carrying out ore dressing on the middle-grade and low-grade collophanite by utilizing a heavy medium-double-reverse flotation technology to prepare phosphorus concentrate pulp with the mass percent of 32 percent or more based on P2O5; extracting the phosphorus concentrate pulp by utilizing sulfuric acid to obtain phosphoric acid ore pulp; carrying out high-temperature and vacuum filtering on the phosphoric acid ore pulp under the conditions that the temperature is 83 DEG C to 85 DEG C and the pressure is -0.06MPa to -0.07MPa, so as to obtain a phosphoric acid solution; adding a sedimentation agent into the phosphoric acid solution and carrying out sedimentation and filtering to further remove impurities; finally, obtaining a phosphoric acid solution with the P2O5 beingmass percent of 27 percent to 30 percent based on the P2O5; adding the obtained phosphoric acid solution into an ammoniation reactor and carrying out neutralization on the phosphoric acid solution and ammonia; controlling the neutralization degree to be 1.1 to 1.15 and the reaction temperature to be 90 DEG C to 100 DEG C; after finishing neutralization reaction, cooling and crystallizing; then filtering, and concentrating and crystallizing filtrate to obtain the industrial monoammonium phosphate; concentrating and granulating filtering residues to obtain the high-quality monoammonium phosphate. By adopting the technology and the device, disclosed by the invention, the key problem that the phosphorous content of wet-process phosphoric acid produced by from middle-grade and low-grade phosphorous ore and down-stream products thereof is low is effectively solved.

The invention discloses a wastewater treatment process based on combination of super magnetic separation and an SBR (Styrene Butadiene Rubber) technique. In the wastewater treatment process, a super magnetic separation system, an SBR system, an ultraviolet sterilization system and a self-control system are included, wherein the self-control system is connected with the super magnetic separation system, the SBR system and the ultraviolet sterilization system; the super magnetic separation system comprises a super magnetic separator, a magnetic seed recycling system, a magnetic seed pump and a water outlet pool; water feed, aeration, sedimentation, water discharge and sludge discharge are implemented in sequence in an SBR pool, organic matter degradation and nitrogen and phosphorus removal are effectively implemented in the SBR pool; the ultraviolet sterilization system comprises tubular type ultraviolet sterilization equipment and a valve; and the self-control system comprises a sensor. The wastewater treatment process has the advantages of being small in floor space, moveable, free of complex civil engineering, low in operation cost, high in automation degree, easy to operate and manage and the like; due to PLC (Programmable Logic Controller) real-time control, phenomena that the water quality is affected because of insufficient aeration or sludge swelling is caused and electric energy is wasted because of too long aeration can be effectively avoided, the labor cost is low, the service life of the equipment is long, and secondary investment is small.