61results about How to "Protect the safety of the environment" patented technology

The invention provides a pesticide nanocapsule, and a preparation method thereof. The pesticide nanocapsule is prepared from, by weight, 0.1 to 80 parts of a pesticide active component, 0.1 to 40 parts of a capsule wall material, 0.2 to 30 parts of an emulsification dispersant, 10 to 200 parts of an organic solvent, 20 to 350 parts of water, 0.1 to 200 parts of an excipient, and 0 to 20 parts of an assistant agent, wherein the ratio of the pesticide active component to the capsule wall material is controlled to be 0.1:1-10:1. The pesticide nanocapsule is small in particle size, excellent in particle dispersibility and slow release performance; the preparation method is simple; operation is convenient; and the repeatability is high.

The invention provides a method for preparing a controlled-release nano-pesticide preparation. The method comprises the following steps: emulsifying components of the nano-pesticide preparation to form an initial emulsion; and then performing high-pressure homogenization to form a fine emulsion to prepare a wall-material-coated nano-pesticide preparation. The method is simple, easy to operate and good in repeatability, and the prepared nano-pesticide preparation is small in grain size, favorable in grain dispersity and excellent in controlled-release performance.

The invention provides a preparation method of a pesticide nanocapsule. The method comprises the following steps: emulsifying a component of the pesticide nanocapsule to form primary emulsion, then homogenizing the primary emulsion at high temperature to form fine emulsion, thus preparing the pesticide nanocapsule. The preparation method of the pesticide nanocapsule, which is provided by the invention, is simple, easy to operate and high in repetitiveness; the prepared pesticide nanocapsule has a small particle size, is high in particle dispersity and high in slow release performance.

The invention belongs to the technical field of sugar industries and discloses a sugar juice sulfur-free efficient cleaning method. After preliming, heating, foaming and flocculant adding are conducted on sugar juice, one-time floating clarification is conducted, large-particle non-sugar components in the sugar juice are removed; after secondary preliming, heating, foaming and flocculant adding are conducted on the one-time floating clarification sugar juice, secondary floating clarification is conducted; the sulfur-free cleaning process of the sugar juice is completed on the sugar juice obtained through secondary floating clarification through a sugar juice filtering and separating system. According to the sugar juice sulfur-free efficient cleaning method, the cleaning method of two levels of floating of the sugar juice is mainly adopted, and clean and complete sufur-free and carbonic-acid-free processing is achieved on the sugar juice, the equipment technology is simple, automatic continuous production is convenient, and the production efficiency is obviously improved. The obtained clean sugar juice is high in quality and is superior to clean sugar juice obtained through a traditional sulfurous method, and a very good application prospect is achieved.

The invention provides a nano pesticide preparation and a production method of same. The nano pesticide preparation is prepared from, by weight, 0.1-40 parts of a pesticide active component, 0.1-40 parts of a capsule wall material, 0.2-30 parts of an emulsion dispersant, 10-300 parts of an organic solvent, 20-500 parts of water, 0.1-400 parts of an excipient, and 0-20 parts of an additive, wherein the ratio of the pesticide active component to the capsule wall material is 0.1:1-10:1. The nano pesticide preparation has small particle size, good particle dispersibility, excellent sustained release performance and simple production method, is easy to use and has good repeatability.

The chelating state micronutrient fertilizer with the insecticidal function comprises trace elements and chelating agents and also comprises botanical pesticides and dispersion agents; the chelating state micronutrient fertilizer is shaped like powder; chelating agents are selected from tetrasodium iminodisuccinate salt and or EDTA (Ethylene Diamine Tetraacetic Acid); the botanical pesticides comprise Cynanchum komarovii Al. extracts and also comprise Stellera chamaejasme extracts and Ageratina adenophora extracts. According to the chelating state micronutrient fertilizer with the insecticidal function, the trace elements are added, trace elements and other nutrients brought by a plant source which serves as the pesticides are contained, the trace elements and the other nutrients can be chelated into the chelating state micronutrient fertilizer, the botanical pesticides are also contained, and accordingly the formula is reasonable, the synergistic effect is obvious, the utilization rate of effective components is high, the pest killing effect is good through due to the double insecticidal mechanism for damaging protective enzyme systems and nervous systems of nematodes and the fumigation action of multiple ingredients, and the botanical pesticides are free of pest resistance. The invention also relates to a production method of the chelating state micronutrient fertilizer with the insecticidal function.

The invention discloses a method for detecting the content of heavy metals in the lining liner of cigarette. The detection method comprises the following steps: 1, preprocessing the inner liner for cigarette: shearing the inner liner for cigarette by using sterile scissors to form chippings with the area of 5mm*5mm, placing the chippings in a sample plastic bottle, adding an acetic acid solution with the concentration of 0.5-6.0%, covering by using a cover, putting the covered bottle in an oven, setting the temperature at 25-80DEG C, allowing the covered bottle to stand for 1-12h, taking out the covered bottle, cooling to room temperature, centrifuging through a high speed centrifuge, and taking out the upper clear liquid to form a liquid to be detected; 2, making a standard working curve; and 3, determining the content of arsenic, lead, cadmium, chromium and nickel. The method fills the gap in the method for detecting the content of heavy metals in the inner liner in industry, and has the advantages of preprocessing of the inner liner for cigarette without a strong acid or a strong oxidizing solvent, simple operation, prevention of the generation of a toxic and harmful waste liquid, high detection safety, and detection accuracy increase due to no detection microwave digestion treatment before the detection.

The present invention relates to a vacuum system non-contacting flexible magnetic coupler, including driven magnetic semi-coupler cover-mounted on the driven shaft, driving magnetic semi-coupler cover-connected on the driving shaft and isolation cover, the driven magnetic semi-coupler is embedded in the interior of driving magnetic semi-coupler, and the isolation cover is placed between the driven magnetic semi-coupler and driving magnetic semi-coupler.

The invention discloses high-strength low-viscosity modified asphalt and a processing process, relates to the technical field of engineering construction, and in particular relates to a road asphalt material which can be extensively applied to roads and bridges. The high-strength low-viscosity modified asphalt is realized by the technical scheme that the high-strength low-viscosity modified asphalt comprises the following components in percentage by weight: 0.1-5% of aromatic oil, 2%-5% of styrene-butadiene copolymer, 0.1%-4% of polyethylene-polypropylene copolymer, 0.1-0.25% of stabilizer and the balance of No. 70 and No. 90 asphalt. As the polyethylene-polypropylene copolymer is added, and the side chain long bond structure of the polyethylene-polypropylene copolymer is utilized to reprocess the modified asphalt product, and high PG (Performance Grade) requirements are easily reached. Besides, the high-strength low-viscosity modified asphalt has an excellent high-low temperature grade, is energy-saving and environment-friendly.

The invention relates to the technical field of pesticide preparations, in particular to pesticide powder and a preparation method thereof. The pesticide powder is prepared from, in weight percent, 5-40% of pesticide active components, 5-25% of sustained-release materials, 2-15% of organic solvents, 0.5-5% of emulsifiers, 1-5% of dispersing agents, 0.5-2.5% of stabilizers, 0.3-0.7% of thickening agents and the balance water. The pesticide powder is treated by a special film coating technology and can be regulated according to specific pesticide applying scene requirements, the sustained-release period of the pesticide preparations is effectively prolonged, the activity of pesticides can be improved, spraying frequency and dosage can be decreased, and the pesticide powder has the advantagesof rapid and stable fertilizer effects and slow lasting pest-killing pesticide effects.

The invention relates to a bean pod mottle virus fluorescence quantitative RT-PCR reagent kit and a detection method thereof. The reagent kit comprises reverse transcriptase, an RNA enzyme inhibitor, hot start Taq DNA polymerase, fluorescence quantitative reaction solution, 2 x Buffer, sterilized double distilled water containing no RNA enzyme and positive contrast. The reagent kit and the detection method thereof use a conservative fragment of coat protein CP gene of bean pod mottle virus as a target, design a specificity primer and a TaqMan-MGB fluorescent probe, utilize the fluorescence quantitative RT-PCR technology for detecting the bean pod mottle virus, have the advantages of high sensitivity, strong specificity, rapidness, simplicity, accuracy and reliability, need no PCR posttreatment step, can effectively prevent cross contamination and false positive, are suitable for entry and exit plant quarantine, species introduction and rapid detection and diagnosis of the bean pod mottle virus in agricultural production, and can be used in real-time monitoring simultaneously, prewarning and forecasting of the epidemic situation of the bean pod mottle virus and have wide application and prospect.

The invention discloses a loader with a water mist dust suppressor, belonging to the technical field of loaders. The loader is characterized by comprising a vehicle body; a hopper is arranged at the front part of the vehicle body; a power transmission box is arranged at the bottom of the vehicle body, wherein a hydraulic distributor is connected to a pipeline of the power transmission box; a hydraulic motor is connected to the pipeline of the hydraulic distributor; a high-pressure liquid pump is connected to a power output shaft of the hydraulic motor; a hydraulic motor control button is connected to a circuit of the hydraulic distributor; a water tank is connected to a water inlet pipeline of the high-pressure liquid pump; the water tank is arranged on the vehicle body; a plurality of atomizers are connected to a water outlet pipeline of the high-pressure liquid pump, and each atomizer is respectively arranged at the outer side of the hopper along a circumferential direction. The invention aims at providing the loader with the water mist dust suppressor; and the loader has the advantages of rational structure, convenience for use and capability of automatically suppressing dust and is used for loading materials.

The invention discloses a corrugated type sealing device of an oil tank guide post. The corrugated type sealing device comprises semi-corrugated tubes, two semicircular sealing clamp rings, a bottom ring-shaped sealing part, guide ropes and N groups of transverse metal ring sleeves, wherein in the N group of transverse metal ring sleeves, each group of transverse metal ring sleeves comprises M transverse metal ring sleeves; each group of transverse metal ring sleeves is positioned on the same horizontal plane, and is uniformly distributed along the circumferences of the semi-corrugated tubes; M is greater than or equal to 2; the semi-corrugated tubes are fixed by virtue of one group of transverse metal ring sleeves from space to space; and M guide ropes sequentially pass through the plurality of groups of transverse metal ring sleeves from top to bottom for supporting and fixing the semi-corrugated tubes correspondingly. According to the corrugated type sealing device, by virtue of a plurality of protective sections, the semi-corrugated tubes are connected into a sealed space which adapts to maximum liquid level and minimum liquid level of a floating roof, so that oil gas volatilization is restrained, energy consumption is reduced, the atmospheric environment and the personal safety are protected, and safe operation of an oil storage tank is ensured.

The invention relates to a conditioning device of a solar photoelectrical generation system applied to purple sweet potato refrigeration, which belongs to the technical field of new energy application. A purple sweet potato contains anthocyanin and selenium, has very strong antioxidation function, can reduce aminopherase in blood serum, has the function of preventing cardiovascular diseases of hyperpiesis and the like, and tumor; however, the fresh purple sweet potato is difficult to store because of thin peel and much juice. In recent years, the purple sweet potato has rapid planting development and growing consumption market. Sunlight irradiates a silicon solar panel arranged on the roof of a purple sweet potato refrigeration warehouse to generate direct current, and the direct current passes through a lead, a controller and a converter to be converted into alternating current, the alternating current is input to an air conditioner, a temperature controlling device and a humidity controlling device so as to enable the purple sweet potato refrigeration warehouse to keep a proper storage temperature of 10-15 DEG C and a proper humidity so that the fresh purple sweet potato can be stored for a long time and can be supplied for the market continuously. The current input to a lithium ion battery through the lead from the controller can be stored for preservation.

The invention discloses a high-efficiency automatic nicking device. The high-efficiency automatic nicking device comprises a working box; a plurality of supporting legs are disposed on the lower sidewall of the working box; a rotary shaft is inserted into the lower end of each supporting leg; each rotary shaft is sleeved with a rolling wheel; the inner walls of the two sides of the working box are each fixedly connected with a fixing plate; the lower side wall of each fixing plate is provided with a sliding groove; each sliding groove is internally and slideably connected with a sliding plate; the upper side wall of each fixing plate is provided with a slide groove; a sliding rail is disposed between the inner walls of the two sides of each slide groove; each sliding rail is sleeved witha linear motor; and the lower side wall of each linear motor is provided with a connecting rod. A to-be-nicked workpiece is clamped and then nicked, the workpiece is nicked in different horizontal positions and in different surfaces, and the nicking device is wider in applicability, simple in structure, convenient and practical.

The invention discloses a multifunctional supporting frame used for being matched with a peritoneal dialysis clean liquid changing house. The multifunctional supporting frame at least comprises a cubeframe and one or more object storing table tops. The one or more object storing table tops are parallelly placed and connected with one of vertical supporting rods which constitute the cube frame. The cube frame is provided with a hook or an electronic scale with the hook, an ultraviolet disinfection lamp and a network monitoring camera. When the multifunctional supporting frame used for being matched with the peritoneal dialysis clean liquid changing house is used by a peritoneal dialysis patient, placing of peritoneal dialysis products can be standard and neat, communication between a doctor and the patient is improved, liquid changing operation can be safer, more convenient and more standard, and the peritoneal dialysis quality is advantageously improved.

The chelating state micronutrient fertilizer with the insecticidal function comprises trace elements and chelating agents and also comprises botanical pesticides and dispersion agents; the chelating state micronutrient fertilizer is shaped like powder; chelating agents are selected from tetrasodium iminodisuccinate salt and or EDTA (Ethylene Diamine Tetraacetic Acid); the botanical pesticides comprise Cynanchum komarovii Al. extracts and also comprise Stellera chamaejasme extracts and Ageratina adenophora extracts. According to the chelating state micronutrient fertilizer with the insecticidal function, the trace elements are added, trace elements and other nutrients brought by a plant source which serves as the pesticides are contained, the trace elements and the other nutrients can be chelated into the chelating state micronutrient fertilizer, the botanical pesticides are also contained, and accordingly the formula is reasonable, the synergistic effect is obvious, the utilization rate of effective components is high, the pest killing effect is good through due to the double insecticidal mechanism for damaging protective enzyme systems and nervous systems of nematodes and the fumigation action of multiple ingredients, and the botanical pesticides are free of pest resistance. The invention also relates to a production method of the chelating state micronutrient fertilizer with the insecticidal function.

The invention relates to a technological field of high molecular polymer recycling and granulation process, particularly the regeneration and granulation process of discarded high plastic foam. The process consists of impurity removal, artificial feeding, automatic grinding, automatic forced in-material, large screw and screw channel in-material, large screw variable distance first stage compression and exhaust, variable screw diameter second stage heating and compression, heating melting third stage variable screw bottom diameter compression, water vapor and residual gas elimination, fuses mass fourth compression, non stop screen changing and filtering, stripy extrusion, cooling setting, granulating and human metering package; the process has simple operation, convenience for scale, specialization of product, can greatly improve working and producing surroundings and operational safety, forms recycle market and promote environmental protection.

The invention relates to a safety drilling device for a lead-acid battery leakage test. The safety drilling device comprises a drilling unit, a protection unit and a power-off protection system, wherein the protection unit sleeves the drilling unit and is matched with the surface of a lead-acid battery, and the power-off protection system is electrically connected with the drilling unit; and the drilling unit comprises a power mechanism and a hollow round pipe in transmission connection with the power mechanism, and sawteeth are arranged at the bottom end of the hollow round pipe. Compared with the prior art, according to the safety drilling device, the sawteeth at the bottom end of the hollow round pipe keep a drilled wafer in the hollow round pipe so that an annular bulge cannot be generated due to high temperature when the inner wall of the battery is drilled through, electrolyte is prevented from being retained in a cavity in the liquid discharge test process, and the test error isreduced; the power-off protection system can realize power-off protection in time; and due to the arrangement of a closed protective cover and a liquid guide pipe, the splashing or overflowing phenomenon possibly occurring when the electrolyte is drilled through can be effectively prevented, and the safety of the personnel environment is protected.

The invention discloses a loader with a water mist dust suppressor, belonging to the technical field of loaders. The loader is characterized by comprising a vehicle body; a hopper is arranged at the front part of the vehicle body; a power transmission box is arranged at the bottom of the vehicle body, wherein a hydraulic distributor is connected to a pipeline of the power transmission box; a hydraulic motor is connected to the pipeline of the hydraulic distributor; a high-pressure liquid pump is connected to a power output shaft of the hydraulic motor; a hydraulic motor control button is connected to a circuit of the hydraulic distributor; a water tank is connected to a water inlet pipeline of the high-pressure liquid pump; the water tank is arranged on the vehicle body; a plurality of atomizers are connected to a water outlet pipeline of the high-pressure liquid pump, and each atomizer is respectively arranged at the outer side of the hopper along a circumferential direction. The invention aims at providing the loader with the water mist dust suppressor; and the loader has the advantages of rational structure, convenience for use and capability of automatically suppressing dust and is used for loading materials.

The invention discloses a mountainous and semi-mountainous area river-lake nearshore vegetable field tail water network terraced efficient recycling facility which mainly comprises a vegetable field irrigation and drainage canal, a water storage pool, irrigation pools, water pumps, irrigation devices and a water, fertilizer and pesticide filling pool. The water storage pool is arranged on the first-step land, and connected with the vegetable field irrigation and drainage canal through a water diversion pipe; the irrigation pools are arranged from second-step land to highest-step land respectively, and the irrigation pools on every two adjacent step lands are connected through a water outlet pipe, one water pump and a water lifting pipe in sequence. Each irrigation pool is connected with one irrigation device. Vegetable land tail water with high-concentration nitrogen and phosphorus is intercepted and prevented from being directly drained into water bodies of rivers and lakes, the chemical fertilizer application amount is reduced, network terraced redistribution recycling of farmland tail water can be achieved in the area space, the hydraulic gradient of the mountainous and semi-mountainous area is utilized according to local conditions to carry out farmland tail water gravity irrigation, vegetable field farmland non-point source pollution is reduced, and river-lake water environment safety is protected.

The invention discloses a method for reducing the cadmium content of corns through carrying out intercropping with sonchus asper and coupling with passivating agents. The method comprises an intercropping mode of planting corns on ridges and planting sonchus asper in ditches between every two adjacent ridges. A passivating agent LH or a passivating agent LS or a passivating agent pH is applied while a base fertilizer is applied to the corn planting ridges, wherein the passivation agent LH is 150 kg / mu of lime and 1500 kg / mu of humic acid, the passivating agent LS is 150 kg / mu of lime and 1500kg / mu of sepiolite, and the passivation agent pH is 100 kg / mu of calcium-magnesium-phosphate fertilizers and 1500 kg / mu of humic acid. In a stem elongation period of the corns, a phosphatic fertilizerand a potash fertilizer are applied to the corns, and only a base fertilizer is applied to the sonchus asper. According to the method, the corn yield and the farmer income are ensured, and compared with single cropping of corns without application of a passivating agent, single cropping of corns with application of a passivating agent, and interplanting of corns with sonchus asper, the method provided by the invention has the advantages that the pollution caused by the Cd content of corn grains is greatly reduced, so that the ecological environment is protected.

The invention discloses a network laddering efficient recycling method for tail water of off-shore vegetable plots in a mountainous area, a mid-mountainous area, a river and a lake. The method comprises the following steps: utilizing a network laddering efficient recycling facility for tail water of off-shore vegetable plots in the mountainous area, the mid-mountainous area, the river and the lake to perform network laddering efficient recycling on the tail water of off-shore vegetable plots in the mountainous area, the mid-mountainous area, the river and the lake; in the period of high-concentration emission of nitrogen and phosphorus of the tail water of the vegetable plots, performing spraying irrigation on 300mu vegetable plots by using tail water of the vegetable plots in the irrigation tank in the facility and the water fertilizer solution prepared in the water fertilizer filling tank. 0.96 ten thousand m3 / season tail water of the vegetable plots can be utilized; 0.24 ten thousand m<3> / season irrigation water can be saved; the dosages of the chemical fertilizers N, P2O5 and K2O are respectively reduced by 13.8 kg / mu / season, 2.4kg / mu / season and 3.5 kg / mu / season; the removal rates of nitrogen and phosphorus in the farmland tail water flowing into the river and lake are respectively 45% and 52%; 3.47 kg / hm<2> nitrogen pollutant and 0.59 kg / hm<2> phosphorus pollutant discharged into the river and lake are reduced annually.

The invention discloses a geological disaster monitoring system based on space-time big data analysis. The geological disaster monitoring system comprises a data acquisition terminal, a data transmission platform, a host control terminal and an intelligent mobile terminal, according to the invention, geological displacement parameters, environmental parameters, water body parameters and regional remote sensing images in a region are acquired as space-time big data through the data acquisition terminal, so that the monitoring data source of the system is richer, the data parameters are more accurate, the monitoring data are transmitted through the data transmission platform, and the monitoring efficiency is improved. The host control terminal analyzes, compares and processes the space-time big data, so that whether address disaster potential safety hazards exist in a monitoring area can be timely, effectively and accurately found, comprehensive and effective address disaster monitoring is achieved, and compared with a traditional monitoring system, data transmission is more efficient and faster, and the monitoring result is more accurate. The real-time performance and accuracy of the system are improved, great help is brought to monitoring work of geological disasters, and human life and property and environmental safety are protected.

The invention provides a method for reducing the content of cadmium in corn through intercropping with Sedum plumbizincicola and coupling with a passivator. The method comprises the steps that the intercropping mode that the corn is planted on ridges, the Sedum plumbizincicola is planted in furrows between every two adjacent ridges is adopted, and while a base fertilizer is applied to the ridges where the corn is planted, the passivator LH or the passivator LS or the passivator SH is applied, wherein the passivator LH refers to 150 kg / mu of lime and 1500 kg / mu of humic acid, the passivator LSis 150 kg / mu of lime and 1500 k / mu of sepiolite, and the passivator SH is 1500 k / mu of sepiolite and 1500 kg / mu of humic acid; in the corn stem pushing stage, a phosphatic fertilizer and a potash fertilizer are applied to the corn, and only a base fertilizer is applied to the Sedum plumbizincicola. By means of the method, under the condition that the corn yield and the farmers' income are ensured,compared with corn sole cropping without the passivator, corn sole cropping with the passivator and intercropping of the corn and the Sedum plumbizincicola, the pollution of the cadmium to corn kernels can be greatly reduced, and moreover, the ecological environment is protected.

The invention discloses an intelligent tap buffer enhancement control system. The system comprises a solenoid valve M arranged on a water supply pipeline, a control chip U1 connected with the solenoid valve M, a capacitor C5, a capacitor C6, and a switch driving circuit and a signal determination circuit which are respectively connected with the control chip U1, a signal input circuit connected with the signal determination circuit, a signal enhancement circuit connected with the signal input circuit, and a signal buffer circuit connected with the signal determination circuit, wherein a positive electrode of the capacitor C5 is connected with a THRES pin and a TRIG pin of the control chip U1, a negative electrode of the capacitor C5 is connected with a GND pin of the control chip U1, a positive electrode of the capacitor C6 is connected with a CONT pin of the control chip U1, and a negative electrode of the capacitor C6 is connected with the GND pin of the control chip U1. The system is advantaged in that household water use intelligence level is greatly improved, household water consumption is reduced, water resource is saved, and economic cost of a user can be better reduced.

The present invention relates to a vacuum system non-contacting flexible magnetic coupler, including driven magnetic semi-coupler cover-mounted on the driven shaft, driving magnetic semi-coupler cover-connected on the driving shaft and isolation cover, the driven magnetic semi-coupler is embedded in the interior of driving magnetic semi-coupler, and the isolation cover is placed between the driven magnetic semi-coupler and driving magnetic semi-coupler.

The invention provides a pesticide nanocapsule, and a preparation method thereof. The pesticide nanocapsule is prepared from, by weight, 0.1 to 80 parts of a pesticide active component, 0.1 to 40 parts of a capsule wall material, 0.2 to 30 parts of an emulsification dispersant, 10 to 200 parts of an organic solvent, 20 to 350 parts of water, 0.1 to 200 parts of an excipient, and 0 to 20 parts of an assistant agent, wherein the ratio of the pesticide active component to the capsule wall material is controlled to be 0.1:1-10:1. The pesticide nanocapsule is small in particle size, excellent in particle dispersibility and slow release performance; the preparation method is simple; operation is convenient; and the repeatability is high.

The invention discloses a low-temperature working condition fire extinguishing block, and relates to the field of fire fighting. The fire extinguishing block comprises the following fire extinguishing components by mass: 60-75 parts of an oxidizing agent, 15-25 parts of a reducing agent, 6-16 parts of an adjusting auxiliary agent, and 3-5 parts of an adhesive, wherein the oxidizing agent comprises calcium perchlorate, the reducing agent comprises dicyandiamide, and the adjusting auxiliary agent comprises magnesium oxalate and magnesium powder. The fire extinguishing block provided by the invention has the advantages of high insulativity, cleanliness, low-temperature working condition, no corrosion and space saving, and can be used for long-term loaded electrical equipment cabinets such as power distribution cabinets, electrical equipment control cabinets, network communication cabinets and charging piles and other relatively closed spaces with fire danger hidden dangers.

The invention belongs to the technical field of sugar industries and discloses a sugar juice sulfur-free efficient cleaning method. After preliming, heating, foaming and flocculant adding are conducted on sugar juice, one-time floating clarification is conducted, large-particle non-sugar components in the sugar juice are removed; after secondary preliming, heating, foaming and flocculant adding are conducted on the one-time floating clarification sugar juice, secondary floating clarification is conducted; the sulfur-free cleaning process of the sugar juice is completed on the sugar juice obtained through secondary floating clarification through a sugar juice filtering and separating system. According to the sugar juice sulfur-free efficient cleaning method, the cleaning method of two levels of floating of the sugar juice is mainly adopted, and clean and complete sufur-free and carbonic-acid-free processing is achieved on the sugar juice, the equipment technology is simple, automatic continuous production is convenient, and the production efficiency is obviously improved. The obtained clean sugar juice is high in quality and is superior to clean sugar juice obtained through a traditional sulfurous method, and a very good application prospect is achieved.