96results about How to "Good investment" patented technology

The invention is a feed additive containing microbe and bio-enzyme, and its character: it is composed of beneficial bacteria, functional enzyme, mineral trace elements, and feed carrier. It has multielements to cooperate with one another, and thus it has good synthetic effect, and its microbes are obtained by solid fermentation, and thus the device investment is low, the low-temperature drying effectively assures the nutrient constituents, and the variety and activity of the microbes and bio-enzymes from not being lost, and simultaneously reduces enzyme extraction procedures, and extremely reduces the production cost; the product meets the dispersion of various effective constituents in the raw materials on the carrier as far as possible, so as to fully use them to achieve the best effect. It uses the addition of beneficial bacteria to regulate the balance of bacteria crowd in the stomach intestine of the domestic animal and fowl, improves the micro-ecological environment, and makes the domestic animal and fowl keep naturally healthy physique; inhibits and prevents the occurrence of the bacterial diseases, such as Escherichia coli disease, salmonella disease, etc, reducing antibiotic usage, reducing therapeutic expenses and improving the productivity of the animal.

The invention provides a method for the harmless treatment of oil-containing mud, and the method includes the following steps: first, the oil-containing mud is gathered; second, the collected fluid oil-containing mud undergoes isotrope, and after a certain period of isotrope mixture, various kinds of oil-containing mud are fully mixed, thereby forming liquid oil-containing mud which is stable in physical and chemical property; third, the mixed liquid oil-containing mud is transmitted to a microorganism aerobic ferment treatment device to undergo the first ferment of the oxidation of the aerobic microorganism of the oil-containing mud; fourth, oil-containing mud is transformed into the biological mud for dehydration and condensation; fifth, a second ferment treatment is conducted; sixth, the fermented mud is transformed into the organic fertilizer which is used in the soil improvement, garden greening or crop fertilization. The invention has the advantage that the cost in mud dehydration is greatly reduced as the method of the invention has low cost, simple operation, and small investment and occupation area. The method can transform the oil-containing mud into good organic fertilizer which can be used in agricultural production, so that the aim of the clean production and environment protection is achieved and the method has good prospect for popularization.

The invention discloses a method for producing a bevel gear with ratchets on an end face through powder metallurgy warm forming. The method comprises the following steps of: preparing iron powder, copper powder, nickel powder, molybdenum powder, graphite powder and a warm forming special lubricant into a mixer to mix according to a proportion; filling in a heated mould; preparing a compact under the condition of unit pressing pressure of 6.5-7.5 T / cm<2> and density of reaching 7.2-7.3 g / cm<3>; placing the compact in a sintering furnace and sintering in a protective atmosphere of mixed gas of hydrogen and nitrogen at 1,120 DEG C for 40 minutes; nitrocarburizing the sintered compact in a carbon and nitrogen atmosphere of 850 DEG C in a controllable atmosphere thermal treatment furnace for 60 minutes; quenching at 850 DEG C; oil-cooling at a cooling speed of 110 DEG C / 10 minutes; tempering at 180 DEG C for 1 hour to machine an inner hole on a precision numerical control lathe to dimensional requirements through tooth shape positioning; finishing; removing thermal treatment oil stain and surface burrs; cleaning; drying; and soaking anti-rust oil to prepare a finished product. The method has the advantages of high product consistency, capability of meeting requirements of large-scale stable production, particular suitability for producing the bevel gear of high accuracy, high strength and high difficulty.

The invention relates to an apparatus for producing an ammonium sulfate fertilizer through desulfurizing a smoke by an ammonia process, and a method thereof. The apparatus comprises a desulfurization tower, an evaporating crystallizer, a cyclone, a thickener, a centrifuge, a drying machine and a packaging machine, wherein the top of the evaporating crystallizer is provided with a stirrer; the penetration depth of a propeller into the evaporating crystallizer is 1 / 3-2 / 3 of the length of the evaporating crystallizer; the upper part of the evaporating crystallizer is provided with a barrel-shaped baffle plate; the diameter of the barrel-shaped baffle plate is 1 / 3-3 / 4 of the diameter of the evaporating crystallizer; a guiding cylinder is arranged in the barrel-shaped baffle plate; the diameter of the guiding cylinder is 1 / 3-2 / 3 of the diameter of the barrel-shaped baffle plate; the lower part of the guiding cylinder is positioned on the upper part of the propeller of the stirrer; and the upper end opening of the barrel-shaped baffle plate is connected with a vacuum pump. The stirrer, the barrel-shaped baffle plate and the guiding cylinder enable a crystallizing solution to circulatorily flow, so the retention time of ammonium sulfate particles in the crystallizing solution is prolonged, the ammonium sulfate particles gradually grow, and the ammonium sulfate particle sizes are 100-1000mum, thereby the apparatus and the technology have the characteristics of high smoke purification, effective improvement of the ammonia absorbent utilization rate and the like, and have the advantages of equipment investment saving and operation cost saving.

The invention discloses a method for preparing TCO (Transparent Conducting Oxide) glass online by a floating method and a special film plating device. The film plating device is characterized in that a film plating reactor is a rectangular structure comprising double channels for inputting gas and double channels for discharging gas; the film plating device is fixed above a floating-method glass production line and the lower part of the film plating device is located in a temperature region of 630-650 DEG C in a floating-method glass tin groove; the film plating reactor is further internally provided with six rectangular oil cooling circulating cavities and two air discharging cavities; a mixing cavity is arranged between two side wall plates of a central line and the width of the mixing cavity is 100-200mm; and an aerosol guiding channel is arranged and the width of the aerosol guiding channel is 10-30mm. The method comprises the following steps: (1) preparing a base film; and (2) mixing a tin source, a fluorine source doping agent, a stabilizing agent and a catalyst precursor in the film plating reactor to form a TCO film layer. The method and the film plating device disclosed by the invention have the advantages of small investment, low cost, operability and easiness for maintenance; the uniformity of the TCO film layer is good, the wear resistance, the conductivity and the visible light transmittance are high; and the industrial production is easy to realize.

The invention discloses a passivation technique for a galvanized steel sheet and a passivation solution thereof. The r-aminopropyl-triethoxysilane water solution is applied onto a clean galvanized steel sheet surface. After the steel sheet is dried with the hot air, the sheet is immersed in the passivation solution. Finally, the sheet is dried again with the hot air. The passivation technique of the invention is simple, the passivation time is quite short, and the passivation effect is almost the same with that of the chromium passivation technique, so the invention is suitable for spreading and application.

The invention relates to the technical field of soil remediation, in particular to a method for repairing soil zinc and cadmium pollution with bamboo-willows. The method includes the following steps that A, the bamboo-willows are planted in polluted soil; and B, a biomass charcoal ameliorant is applied to the polluted soil. By the adoption of the method, the bamboo-willows and the biomass charcoal ameliorant are selected to be subjected to combined remediation, a good growing environment is provided for the bamboo-willows through the biomass charcoal ameliorant, the effect of facilitating root growth of the bamboo-willows is achieved and vital force of the bamboo-willows is enhanced; and the bamboo-willows can efficiently enrich heavy metal zinc and cadmium, zinc and cadmium polluted soil is repaired for one to two years under the dual functions of the bamboo-willows and the biomass charcoal ameliorant, the content of the heavy metal zinc and cadmium can be greatly reduced, and the purpose of completely repairing middle-level polluted soil can be achieved through three to six years. The method for repairing the soil zinc and cadmium pollution with the bamboo-willows is small in investment, low in technical requirement, low in planting difficulty, easy to manage, suitable for large-area polluted soil and good in soil treatment effect; and the social benefits, economic benefits and application and popularization value are good.

The invention relates to a static aerobic fermentation drying tower and an application and belongs to the technical fields of agricultural organic waste resource utilization and environmental protection. The invention solves the problems of exposed production, easily caused secondary pollution, low resource utilization, large volume of organic raw materials and inconvenient carrying and the like of the existing composting technology. The invention comprises a fermentation drying tower which is built at a required minimum driving height of a forklift and a tower-type sealing fermentation and internal ventilation structure, and by utilizing accumulated temperature effect generated by whole fermentation and backflow circulation of high-temperature and high-moisture fermentation heat, static fermentation, drying and microorganism multiplication culture are finished once. By utilizing the fermentation heat, the moisture content of dry materials can reach below 25 percent, and simultaneously, the medium-temperature fermentation time is prolonged, the fermentation cycle is shortened, and active substances are kept to the greatest extent. The fermentation drying tower and the civil work of a tower body are integrated, thus saving the investment and being durable, and the application of a normal loading machine has high efficiency and low production cost. The product is high-quality organic fertilizer or bio-organic fertilizer if microorganisms with specific functions are added.

The invention discloses a user power consumption data sharing method and system based on privacy protection. The method comprises the following steps: a trusted authority generates an encrypted public key and a private key; a power data acquisition module acquires and encrypts the energy consumption data; a data aggregation module aggregates the encrypted data; a control center stores the aggregated energy consumption data; a platform user registers and obtains a symmetric key generated by the trusted mechanism; a platform user sends a service request, and when the control center receives the service request, the legality of the platform user is verified; if the platform user is legal, the data in the request range is aggregated on the ciphertext according to the service request, an aggregation value is decrypted through a private key, corresponding calculation is calculated according to the service type of the request, and response information is encrypted and transmitted by adopting a symmetric key of the platform user; and the platform user decrypts the response information by using the symmetric key to obtain the requested data. According to the invention, data sharing is realized without revealing privacy, and the method has the characteristics of rapid calculation and response.

The invention relates to a zincizing infiltrated layer corrosion resistance process for metal. The zincizing infiltrated layer corrosion resistance process for metal includes the steps that a zinc and nickel infiltrated layer and a metal base body are arranged in a closed metal container to be heated at the heating speed of 50-60 DEG C / min, and subjected to heat preservation heating for 120-180 min when heated to 480-500 DEG C; the adding amount of the zinc and nickel infiltrated layer accounts for 1.5%-4.5% of the weight of the metal base body, and the zinc and nickel infiltrated layer is prepared from zinc powder, nickel powder, aluminum powder and energizer particles with the weight ratio of 1:(0.03-0.05):(0.02-0.04):(0.09-0.15), the particle diameter of the raw materials is controlled to be 0.1-1 mm, the energizer particles are composed of 40-90wt% of rare earth chloride and 10-60wt% of auxiliaries, and the auxiliaries are composed of 50-70wt% of potassium chloride, 20-40% of sodium chloride and 2-10wt% of boric acid. The zincizing infiltrated layer corrosion resistance process for metal is short in period, the strength and abrasion resistance of the infiltrated layer are good, and the mechanical performance and the corrosion resistance of finished products are excellent.

A fruit wine containing nano-SOD for preventing the damage of alcohol to liver and brain, regulating and improving physiological functions, and preventing diseases is prepared by proportionally adding nano-COD to fruit wine.

The invention relates to the technical field of environmental pollution control and municipal-engineering wastewater treatment. The invention provides a deep treatment device for municipal wastewatertreatment upgrading. The device includes a denitrifying biological filtering tank, a nitrifying biological filter tank or an aerated biological filter tank, a magnetic coagulation sedimentation device, a filter-cloth filter tank or a turntable filter tank device and a disinfection tank. The denitrifying biological filtering tank is provided with a matched carbon source feeding device, and the magnetic coagulation sedimentation device is provided with a matched separator (namely a high shearing machine). The device has the multi-level deep filtering functions owing to the denitrifying biological filtering tank, the nitrifying biological filtering tank (or aerated biological filter tank), the magnetic coagulation sedimentation device and the filter-cloth filter tank (or the turntable filtertank), and thus can effectively remove various pollutants such as CODCr, BOD5, ammonia nitrogen, total nitrogen, total phosphorus, suspended solids and other pollutants in wastewater.

The invention is a manufacturing method of simulative stone overburden in structure, it includes producing model, confecting structure reinforcing steel bar, confecting simulative stone materials, concreting and demoulding, surface carving. It makes and fixes model according to the needed decorating sculpt, it sets reinforcing steel bar which is used as the framework of overburden, the niters are confected into concrete, the concrete are filled into model, demoulds it when it reaches the fixed intensity, then carves it according to the quality of natural stone.

The invention discloses a method for comprehensively utilizing the surplus heat of a carbon element calcining furnace. In the method, the high temperature smoke gas generated by eight layers of flame paths of the calcining furnace and the high temperature smoke gas generated by first layer surplus fugitive constituent introducing combustion are blended into an integrated surplus heat boiler to generate saturated vapor, the saturated vapor is sent back to a superheated vapor generator at the position of the high temperature smoke gas at the exit of the calcining furnace, so as to form the superheated vapor used for electricity generation and heat supply. 1 calcining furnace and 2 calcining furnace are arranged symmetrically, a high temperature smoke gas collection area is arranged between the 1 calcining furnace and 2 calcining furnace, the front end of the high temperature smoke gas collection area is connected and provided with a high temperature superheated vapor device, and the upper end of the high temperature superheated vapor device is equipped with a superheated vapor outlet. A desuperheater is arranged in front of the high temperature superheated vapor device, and a low temperature superheater is arranged in front of the desuperheater. A saturated vapor generator is connected and arranged in front of the low temperature superheater, and a coal economizer and a draught fan are connected and arranged in front of the saturated vapor generator. The invention has the advantages of reasonable structure, good adjustability and obvious energy saving effect.

The invention discloses an interval practical security domain modeling method, which is based on a regional comprehensive energy system containing renewable energy sources, considers the uncertainty of the renewable energy sources, and adopts an interval mathematical method for processing; by combining engineering practice, and based on the N1 security criterion of the regional comprehensive energy system and the load of an energy hub output side pipeline section, the method establishes an interval practical safety domain model of the regional comprehensive energy system containing renewable energy, further establishes an interval practical safety boundary model, and proposes an interval practical safety distance model and an interval maximum energy supply capacity model. On the basis, a system dimension reduction observation method and a full-dimensional observation method are established, and the safety of the regional comprehensive energy system containing renewable energy sources can be accurately and quickly analyzed.

The invention belongs to the technical field of petrochemical industry, and particularly relates to an oily sludge cleaning method. The oily sludge cleaning method comprises the following steps: collecting oily sludge, carrying out crush treatment on the oily sludge, and then filtering by using a vibrating screen; adding water and a first cleaning agent into the filtered oily sludge for diluting to obtain mixed oily sludge; sending the mixed oily sludge into a micro-nano bubble oily sludge cleaning integrated device for cleaning. In the oily sludge cleaning method, micro-nano bubbles in a cyclone cleaning tank can quickly and efficiently clean the oily sludge in the presence of a small amount of cleaning agent, so that the cleaning cost is reduced; by the oily sludge cleaning method provided by the invention, the cleaning residence time is only 5-30min, the dosage of the cleaning agent is 1 / 10-1 / 3 of that in the conventional method, and the comprehensive energy consumption is 1 / 5-1 / 2 of that in the conventional method; the oily sludge cleaning method is especially suitable for cleaning treatment of open-air oily sludge.

The invention discloses a method for jointly treating acid mine wastewater by using organic matter and carbonate rock. A first-stage pretreatment area (1) is a container which is divided into left and right parts, the bottoms of the left and right parts are communicated, one side of the container is filled with organic matter filler, and the other side of the container is filled with carbonate rock filler; wastewater firstly contacts with the organic matter, the principle that the growth of aerobic microorganisms needs to consume dissolved oxygen is used, so after acid mine wastewater passes through the organic matter, the dissolved oxygen in the wastewater is removed, and an oxygen-free condition is formed; the carbonate rock is used to adjust pH under the oxygen-free condition, so the voids of the filler can be prevented from being blocked by the Fe(OH)3flocs rapidly generated in a reaction area; water flows from the first-stage pretreatment area (1) to enter multistage tandem reaction areas (2), each reaction area (2) is the same as the first-stage pretreatment area (1) in the structure and the contents, wastewater is re-aerated in the process that the wastewater enters a sedimentation tank from the carbonate rock reaction area through a natural drop way. The method is good in effect, low in investment and low in the cost of wastewater treatment.

The invention discloses a synthesizing method of fluorine-containing iodoalkane. The synthesis is carried out under the effect of a phase-transfer catalyst, and / or in a polar aprotic ketone solvent. A compound with a general formula of CFmH3-m(CH2)nX is subject to a halogen exchange reaction with sodium iodide or potassium iodide, such that a compound with a general formula of CFmH3-m(CH2)nI is synthesized, wherein m=2 to 3, n=2 to 5, and X represents Cl or Br. The reaction temperature is 20 DEG C to 140 DEG C. The mass ratio of the phase-transfer catalyst to CFmH3-m(CH2)nX is 0.0005:1 to 0.05:1. The molar ratio of CFmH3-m(CH2)nX to sodium iodide or potassium iodide is 0.5:1 to 5:1. The method provided by the present invention has substantial advantages of short process procedures, and low raw material cost.

The invention provides a method for dehydrating vegetables and fruits at normal temperature, which comprises: a step 1 of dehydrating vegetables and fruits with purified air; a step 2 of dehydrating the raw material obtained from the step 1 at high pressure, evacuating a dehydrating pot till the pressure is 0.08 to 0.09MPa, adding nitrogen or carbon dioxide gas into the pot, keeping the pressure for a preset time and reducing the pressure to normal pressure; and a step 3 of dehydrating the material obtained from the step 2 in a drying bin till the water content is less than 5 percent. The method adopts different dehydration means according to the different states of the water in the raw material, has the advantages of low equipment investment, low operation cost, easily controlled technique, wide processing range and the like, enables the dehydrated vegetables and fruits to replace kiln dried and freeze dried products and enlarges the sales market of the vegetables and fruits. The product of the method has the same quality as freeze dried products and creates larger profit margin than the freeze dried products, even when sold at a price which is only 60 to 80 percent of that of the freeze dried products.

The invention discloses a calcined lime conveying system which comprises a fixed frame, a conveying main pipe and a dust collector, wherein the conveying main pipe is arranged on the fixed frame, one end of the conveying main pipe is connected with a hammering machine, the other end of the conveying main pipe is connected with the dust collector, and the dust collector is arranged on the top of a calcined lime cone. The technical scheme can effectively solve the technical problems that the failure rate of a cone pump is high, a gas lock is easily blocked, a gasifying plate of the cone pump is easily blocked, the conveying speed of calcined lime is low, and the conveying pipe is easily blocked; the cone pump system easily leaks gas, leaks lime and the like. The calcined lime conveying system also has the advantages of reduced cone pump air conveying links, low production failure rate, low running cost and convenience for maintenance. The production operation rate can be improved, the operation environments can be improved, and the equipment cost can be reduced. The calcined lime negative pressure conveying system requires low investment cost, has good use effect and remarkable economic benefits and can be broadly used for conveying broken calcined lime.

The experiment system for super high temperature bag duster includes super high temperature bag duster with fume inlet and fume outlet in the side wall, controller, compression air source and ash remover, as well as blower, simulating heater, air inlet pipeline, air outlet pipeline and ash adding unit on the side wall of the air inlet pipeline. The super high temperature bag duster consists of cover plate, cylindrical barrel, upper pattern board, lower pattern board and conic ash bucket, and one sound wave vibrating ash remover is installed over the cover plate. The present invention can simulate super high temperature fume filtering condition for directing the design of super high temperature bag duster.

The invention relates to a method and system for preparing propylene through chemical-looping oxidative dehydrogenation of propane. The method comprises the following steps: reacting propane with oxygen carrier particles in a dehydrogenation reactor to produce propylene, water vapor and Cox gas, wherein the oxygen carrier particles lose oxygen; separating propylene from a gas mixture obtained in the previous step; and subjecting the oxygen carrier particles having lost oxygen and oxygen-containing gas to an oxidation reaction to produce oxygen-poor gas and regenerated oxygen carrier particles,and circulating the regenerated oxygen carrier particles for participation in dehydrogenation. The system comprises a dehydrogenation reactor, a gas mixture purifying device, a gas mixture separatingdevice and an oxidation reactor, wherein the dehydrogenation reactor can receive oxygen carrier particles produced in the oxidation reactor. The method and system for preparing propylene through chemical-looping oxidative dehydrogenation of propane are efficient, energy-saving, environment-friendly, economic and safe.

The invention relates to a seam compensation type drip-infiltrating-irrigation pipe machining method. The seam compensation type drip-infiltrating-irrigation pipe machining method comprises the following machining steps that 1, a composite pipe is machined; and 2, seam pricking is conducted on the wall of the composite pipe through a needle knife seam pricking machine. The invention further relates to a pipe clamp used for the drip-infiltrating-irrigation pipe. The pipe clamp is installed at a prickseam in the wall of the composite pipe and comprises two arc-shaped clamping pieces. Combination walls are arranged on the two sides of each arc-shaped clamping piece. The middle of each arc-shaped clamping piece is provided with a groove. A plurality of first water outlets are formed in the edge of each groove. Each first water outlet is connected with a flow stabilizing channel. The flow stabilizing channels communicate with water flow channels. Compared with the prior art, the seam compensation type drip-infiltrating-irrigation pipe machining method and the pipe clamp used for the drip-infiltrating-irrigation pipe have the characteristics of being resistant to corrosion and ageing, long in service life, free of blockage, uniform in flow, long in using length, savable in labor, effort and power and capable of saving 80% of water and 50% of fertilizer compared with a traditional irrigation method.

The embodiment of the invention provides a data sorting method and device, a data display method and device, equipment and a storage medium. The data sorting method comprises the following steps: determining a plurality of factors and dimensions thereof of a plurality of pieces of to-be-sorted data and a plurality of pieces of predetermined factor target data and dimensions thereof; wherein the plurality of factors are respectively associated with a predetermined event interpretation; determining a plurality of factor parameters by using a machine learning method based on the plurality of factors and the dimensions thereof and the plurality of predetermined factor target data and the dimensions thereof; determining weights of the plurality of factor parameters; and based on the plurality of factor parameters and the weights thereof, sorting the plurality of to-be-sorted data through a multi-factor model to obtain sorted data. Through the embodiment of the invention, the technical problem of how to accurately sort the data is solved, the generated data ranking list can reflect the actual situation and can be closer to the real information of the market, and the accurate prediction of the market is facilitated.

The invention discloses a method for synthesizing 4,4,4-trifluoro-butyronitrile. 3,3,3-trifluoro-1-chloropropane reacts with sodium cyanide or potassium cyanide in polar proton inert solvent in the presence of PTC (phase transfer catalyst) to synthesize 3,3,3-trifluoro-butyronitrile with reaction temperature being 20-150 DEG C, mol ratio of catalyst to 3,3,3-trifluoro-1-chloropropane being 0.005:1-0.2:1, mol ratio of 3,3,3-trifluoro-1-chloropropane to sodium cyanide or potassium cyanide being 10:1-1:1, and concentration of sodium cyanide or potassium cyanide in solvent being 0.1-5mol / L. The invention has the advantages of short process flow and low raw material cost.

A construction method of a high-pressure jet-grouted cement soil impervious wall comprises the following steps: A, determining a construction path according to the impervious wall, carrying out locating and wiring, and determining the distances of jet holes; B, adopting a drill rig to carry out pre-drilling; C, placing a high-pressure jet-grouting carriage in place, starting a high-pressure waterpump, an air compressor and a cement slurry pump, and starting a variable-angular-velocity rotating-swinging power head and a lifting mechanism; D, carrying out variable-angular-velocity rotating jet-grouting in a 360-degree range or carrying out variable-angular-velocity swinging jet-grouting in a 180-degree range through the variable-angular-velocity rotating-swinging power head, and realizing stepped or stepless variable angular velocity in the angular range; and E, lifting a jet pipe to a design height by the constant-speed driving of the lifting mechanism, and carrying out construction inan order of two-sequence holes to finish the whole construction of the impervious wall or a curtain. The construction method has the advantages that the defects that plate walls jet-grouted in swinging and rotating manners at the parts close to the jet holes are too thin and have weak deformation resistance are thoroughly overcome, the thickness and shape of the formed wall can be precisely regulated in a certain range, and the formed cement solidified body has shape features in the detached figures 4-6.

The invention belongs to the technical field of environmental engineering and preparation of building materials, and particularly relates to a method for preparing a baking-free load-bearing tile by curing desulfurization waste residues with a semidry process at the normal temperature. The method comprises the following steps of: preparing semidry process desulfurization residues and multicomponent powder into a gelling agent; uniformly mixing with inert sandy aggregate in a mixer; adding water in an appropriate water-ash ratio to a semidry state; and curing a tile blank obtained by performing light press molding and demolding at the normal temperature for 7-28 days to obtain the baking-free load-bearing tile which can meet corresponding strength requirements of MU10 and MU20 load-bearingtiles respectively, has high water resistance and can be taken as an outer wall tile. According to the method, the problem of difficulty in comprehensively utilizing due to complex ingredients of semidry process desulfurization residues is solved, and the baking-free tile of which the cost is lower than that of the conventional sintered clay tile is produced by effectively using solid waste; and the method plays an important role in saving energy, reducing emission and protecting the environment.

The embodiment of the invention provides a data screening method and device, a data display method and device, equipment and a storage medium. The data screening method comprises the steps of obtaining a plurality of pieces of to-be-screened data; Determining a plurality of data abnormal change factors and a plurality of data abnormal change dimensions of each piece of to-be-screened data; Based on the plurality of data abnormal change factors and the plurality of data abnormal change dimensions of each piece of to-be-screened data, respectively detecting each piece of to-be-screened data by using a multi-factor model to respectively obtain abnormal variations of the plurality of pieces of to-be-screened data; And performing threshold screening based on the abnormal variations of the plurality of to-be-screened data and a predetermined threshold to obtain a plurality of pieces of target data. By the adoption of the technical scheme, the technical problem of how to accurately screen thedata is solved, the screened data can reflect the actual situation and can be closer to real information of the market, and accurate prediction on the market is facilitated.

The invention discloses a paint mist capturing device for a spray booth. The paint mist capturing device comprises a spray gun, a raw material paint tank, a solvent storage tank, a recycled paint storage tank and a separation tower, all of which are arranged in the spray booth. The separation tower is connected with an exhaust opening of a draught fan, a centrifugal machine, the solvent storage tank and a collection groove. The centrifugal machine is connected with the paint storage tank and the solvent storage tank. Multiple spray holes are evenly distributed in a solvent spraying pipe in the axial direction. A collection groove with the arc bottom face is formed below the solvent spraying pipe. The width of the collection groove is equal to the length of the solvent spraying pipe. An interlayer pore plate equidistant with the bottom face is arranged in the collection groove. An interlayer space is formed below the interlayer pore plate. The bottom face of the collection groove is provided with multiple liquid discharge holes connected to the separation tower through connection pipes. In the processing process, solvents are separated from captured paint through the centrifugal machine, the solvents are recycled, the separated paint can be recycled continuously, the loss is reduced, and the cost spent on waste water treatment is saved. The paint mist capturing device is convenient to maintain, low in investment, good in operation state and long in service life.

The invention relates to a small automatic cruise water quality monitoring ship, and belongs to the technical field of environmental monitoring. According to the invention, real-time positioning is realized through a GPS module; the surrounding environment of the ship body is detected in real time through an obstacle avoidance module; a chip I controls a motor and a steering engine to perform automatic cruise, water sampling is performed through a water quality acquisition system, the periphery of the ship body is detected in real time through a water quality detection module and an image transmission system, and finally detected water quality information, time information and image information are sent to an upper computer through the wireless communication module and the wireless communication module. The water quality monitoring system can monitor the water quality conditions of the riverway and the reservoir without monitoring personnel going to the site to take water, can be switched into a remote control mode when water quality monitoring is carried out on a temporary designated area on the water surface, and can quickly reach the temporary designated area on the water surface to monitor the water quality under the control of the remote controller. The size of the ship body is reduced, the design and use cost is reduced, automatic cruise positioning can be achieved, and the monitoring level and the working efficiency are improved.