685results about How to "Efficient purification" patented technology

The invention relates to an organic wastewater photocatalytic rotational flow enhanced hydrogen production method and device, and provides an organic wastewater photocatalytic rotational flow enhanced hydrogen production method, which comprises the following steps: (A) shear oscillation mixing of a catalyst and wastewater, (B) wastewater rotational flow oscillation photocatalytic hydrogen production, and (C) gas-liquid-solid three-phase separation and catalyst reuse. The invention further provides an organic wastewater photocatalytic rotational flow enhanced hydrogen production device. Organic matter pollutants in water are decomposed under the action of the catalyst, chemical energy of the organic matter pollutants is recycled in the form of hydrogen, cooperation of wastewater photocatalytic hydrogen production and wastewater treatment is achieved, the reaction rate of wastewater photocatalytic hydrogen production is increased, and secondary pollution caused by the reaction catalyst is avoided.

The invention discloses a gas purification device for an experiment table, which comprises a shell, a plurality of air inlet holes are formed in the side wall of the shell along the circumferential direction, a coarse filter cartridge is arranged in the shell, an activated carbon filter cartridge is arranged in the coarse filter cartridge, a guide cylinder is arranged in the activated carbon filter cartridge, an exhaust passage communicated with an exhaust hole is formed in the guide cylinder, and a plurality of air inlet holes are formed in the side wall of the shell along the circumferential direction. An exhaust channel is formed in the shell, an air inlet is formed in the bottom of the exhaust channel, a flow guide column is fixedly arranged in the exhaust channel, a spiral flow guide piece is arranged on the outer wall of the flow guide column in the axis direction, and a plurality of ultraviolet germicidal lamps are arranged on the side wall of the flow guide column at intervals. Large-particle impurities are preliminarily filtered by the coarse filter cylinder, harmful gas is adsorbed by the activated carbon filter cylinder, and the gas is further purified by the spiral flow deflector and the ultraviolet germicidal lamp in the flow guide cylinder, so that the discharged gas is ensured to reach the environment-friendly standard.

The invention discloses an oil gas dust removal and purification system capable of intelligently sensing and adjusting air volume and pressure balance. The oil gas dust removal and purification system comprises an intelligent monitoring and control module based on a system architecture, an air volume optimization and dust removal processing module and a pressure management and safe discharge module, and the intelligent monitoring and control module comprises an environmental data acquisition module and an intelligent decision and execution module; the air volume optimization and dust removal treatment module comprises an air volume intelligent adjusting module and an efficient dust removal and filtering module. Compared with the prior art, the system has the advantages that the air volume and the pressure are intelligently adjusted; efficient dust removal and purification are realized; and the safety performance is improved.

The invention relates to the technical field of glycerol triacetate preparation, in particular to an esterification phase splitter for preparing glycerol triacetate, which comprises a tower tray arranged in a rectifying tower, umbrella-shaped covers are uniformly distributed on the upper surface of the tower tray, and the tower tray comprises a movable tray, a fixed tray, a riser and an adjusting mechanism. By optimizing the structure of the umbrella-shaped cover and the design of the adjusting mechanism, the problems of a viscous layer and entrainment caused by high viscosity of glycerol triacetate are solved, by reducing the diameter of the bottom of the umbrella-shaped cover and reducing the comprehensive height of the overflow weir, the liquid flowing space is enlarged, the liquid retention time is shortened, and by forming an air inlet groove and an adjusting hydraulic oil cylinder, the liquid retention time is shortened. The gas-phase flow area is increased, gas-liquid contact is optimized, entrainment is reduced, through adjustment of the hydraulic oil cylinder, adaptation to the requirements of different reaction stages is achieved, the height of the downcomer is increased, and the flooding risk is reduced.

The invention discloses a carbon fiber composite pultrusion plate pyrolysis tail gas incineration treatment system, belongs to the technical field of tail gas treatment, and provides the following scheme that the carbon fiber composite pultrusion plate pyrolysis tail gas incineration treatment system comprises a secondary combustion chamber, a semi-dry quenching device, a pulse bag-type dust collector, a flue gas reheater, an alkali liquor spraying and washing tower and a chimney, a gas inlet pipe is arranged on one side of the bottom end of the alkali liquor spraying and washing tower, and a gas outlet pipe is arranged on the other side of the bottom end of the chimney; an exhaust pipe is arranged at the upper end of the alkali liquor spray washing tower; the function that the driving shaft can drive the multiple atomization nozzles to rotate is achieved, and the atomization nozzles are further allowed to move in the horizontal direction. The dual movement mechanism greatly enlarges the spraying range covered by the atomizing nozzle, and ensures that the alkaline solution can be more comprehensively and fully mixed with the flue gas, so that the flue gas purification efficiency and quality are powerfully guaranteed; the incineration treatment system for the pyrolysis tail gas of the carbon fiber composite pultrusion plate shows more excellent practicability and efficiency when being used for treating the flue gas.

The invention relates to the technical field of carbon dioxide recovery waste gas purification, in particular to waste gas purification equipment for carbon dioxide recovery and a purification method thereof.The waste gas purification equipment for carbon dioxide recovery comprises a shell assembly and further comprises a slag removal assembly, and the slag removal assembly comprises a fixed cylinder and a rotating part; the rotating component comprises a slag removal motor, a first stirring plate and a second stirring plate, a fan-shaped shell is fixedly mounted at the bottom of the outer cylinder, a water outlet part is arranged at the bottom of the fan-shaped shell, and a collecting component is arranged in the fan-shaped shell, and the waste gas purification method for carbon dioxide recovery comprises the steps of spraying, purification and the like. The device has the advantages that sediments in the lime water are continuously removed in the waste gas purification process, the negative influence of sediment accumulation on the sulfur dioxide removal efficiency is avoided, sulfur dioxide in the waste gas is effectively purified, corrosion of the sulfur dioxide to subsequent carbon dioxide recovery equipment is reduced, and the reliability and the safety of a whole waste gas treatment system are improved.

The invention discloses a monatomic catalyst for activating peroxymonosulfate as well as a preparation method and application of the monatomic catalyst. The catalyst comprises a nitrogen and sulfur co-doped Ti3C2Tx nanosheet and an iron monatomic or cobalt monatomic targeted on the nanosheet in an asymmetric coordination structure. The preparation method comprises the following steps: mixing the Ti3C2Tx nanosheet, a precursor containing a nitrogen source and a sulfur source, and soluble metal salt, self-assembling, freeze-drying and pyrolyzing. The monatomic catalyst provided by the invention has excellent conductivity and electronic structure, can form a large amount of reactive oxygen species in a catalytic degradation system on the premise of low addition amount of peroxymonosulfate, and has the advantages of high activation efficiency on peroxymonosulfate, capability of effectively reducing the usage amount of peroxymonosulfate and the like; the peroxymonosulfate can be activated to achieve efficient purification of organic wastewater, the operation cost of the peroxymonosulfate activation technology can be effectively reduced, and meanwhile, the new environmental pollution risk caused by the fact that a large amount of peroxymonosulfate is used can be remarkably reduced.

The utility model discloses a laser paint stripping machine capable of purifying smoke dust, and relates to the technical field of laser paint stripping machines, the laser paint stripping machine comprises a paint stripping box group and a purifying assembly, the top end of the interior of the paint stripping box group is provided with a laser generating device, the center of the bottom of the paint stripping box group is provided with a platform assembly, the top of the platform assembly is provided with a device frame group, and the device frame group is provided with a device. The purification assemblies are symmetrically arranged on the left side and the right side of the exterior of the paint stripping box set. According to the laser paint stripping machine capable of purifying the smoke dust, the purification assemblies are symmetrically arranged on the left side and the right side of the paint stripping box set, so that when a whole laser generation device conducts paint surface stripping treatment on a workpiece, smoke generated during operation can be prevented from overflowing, meanwhile, the smoke can be synchronously extracted and filtered and purified, and bad influences caused by the smoke are prevented; and by using the platform assembly and the device frame group, flexible structural rotation can be provided for the laser generating device, so that the paint surface on the surface of the workpiece is flexibly treated.

The invention relates to the technical field of nucleic acid extraction and purification, in particular to a DNA and RNA co-extraction reaction reagent and an extraction method, the reaction reagent comprises a nucleic acid protective agent RP, a sample lysis binding solution LB, a protein washing solution WB1, a nucleic acid rinsing solution WB2 and a nucleic acid eluent EB; the nucleic acid protective agent RP comprises DTT, mercaptoethanol, TCEP and sodium hydroxide; the sample cracking binding solution LB comprises Tris-HCl, benzenesulfonic acid, sodium citrate, guanidine hydrochloride, guanidine isothiocyanate, guanidine thiocyanate, urea, triton 100, SDS, potassium chloride, sodium chloride, bromhexine, N-acetylcysteine, ambroxol hydrochloride, isopropanol and absolute ethyl alcohol; the protein washing liquid WB1 comprises Tris-HCl, benzenesulfonic acid, sodium citrate, guanidine hydrochloride, guanidine isothiocyanate, guanidine thiocyanate, urea, triton 100, sodium chloride, isopropanol and absolute ethyl alcohol; the nucleic acid rinsing liquid WB2 is prepared from Tris-HCl, sodium chloride, isopropanol and absolute ethyl alcohol; and the nucleic acid eluent EB is nuclease-free water. The reaction reagent can be used for rapidly and sufficiently enriching and purifying DNA and RNA of a sample at the same time.

The invention discloses a process for preparing a liquid fertilizer from a lysine fermentation waste liquid, and relates to the technical field of fertilizer preparation, and the process has the advantages that a specific metal organic framework (MOFs) derived porous carbon material is adopted as an adsorption material to realize efficient purification of lysine in the lysine fermentation waste liquid, the porous carbon material obtained after ZIF-8 is subjected to carbonization and other treatment has a high specific surface area and a rich pore structure, a large number of sites are provided for adsorption of lysine, amino is introduced through ammonia gas plasma treatment and can form hydrogen bonds or electrostatic interaction with carboxyl of lysine and the like, carboxyl is introduced through oxygen plasma treatment, and the adsorption efficiency of lysine is improved. By means of the precise design, lysine is effectively separated from other impurities, a high-purity lysine resource is obtained, the content and quality of effective components in subsequent liquid fertilizer can be improved, and meanwhile the comprehensive utilization efficiency and economic benefits of the resource are greatly improved.

The invention discloses a method for resource utilization of nitrogen and aluminum in secondary aluminum ash, and belongs to the technical field of solid waste treatment, the method comprises the following steps: S1, bio-enzyme pretreatment: drying and crushing the secondary aluminum ash, mixing with a buffer solution containing a specific bio-enzyme, carrying out a stirring reaction under proper temperature and pH conditions, and carrying out solid-liquid separation; aluminum nitride and other aluminum-containing compounds are decomposed; s2, bio-enzyme catalytic hydrolysis: transferring the pretreated mixture into a hydrolysis reactor, adding bio-enzyme and adjusting conditions, performing catalytic hydrolysis on aluminum nitride and an aluminum-containing compound, and releasing nitrogen and aluminum ions; according to the method, the secondary aluminum ash is pretreated through the biological enzyme to decompose aluminum nitride and other aluminum-containing compounds, and the specificity of the biological enzyme is utilized, so that the resource recovery efficiency is improved, and the environmental pollution is reduced. The pH value and the temperature of the hydrolysate are monitored through the online pH meter and the temperature sensor, so that accurate control on the reaction process is realized.

The invention discloses a compact magnetic deflection system for neutral beam injection. The compact magnetic deflection system comprises an iron yoke assembly, two magnet assemblies with the same structure and a magnet protection assembly, the iron yoke assembly is of a rectangular frame structure and forms a complete magnetic loop, the two magnet assemblies are oppositely arranged in the iron yoke assembly, and a channel is reserved between the two magnet assemblies. The magnet protection assembly surrounds the two magnet assemblies; the magnet assembly comprises a magnet exciting coil box, an iron core and an electrified coil, two space grooves are formed in the excitation coil box in a rectangular-ambulatory-plane mode, the iron core is located in the space groove in the inner layer, the electrified coil is located in the space groove in the outer layer, and the head end and the tail end of the electrified coil extend out of the side edge of the excitation coil box in the same direction; charged ions flexibly deflect out of an original beam line channel by changing the current of the electrified coil or the number of turns of the coil. According to the invention, mixed charged ion beams can be effectively filtered out, and purified neutral beam injection is realized.

The invention provides a calcium fluoride sludge purification method, calcium fluoride fine powder and application thereof, and belongs to the field of calcium fluoride sludge treatment.The calcium fluoride sludge purification method comprises the following steps that calcium fluoride sludge and water are mixed to form a first mixed solution, a phosphate conversion agent is added, heating and stirring are conducted, and then filtering is conducted to obtain a first solid mixture; adding an acid solution into the first solid mixture, heating, stirring and filtering to obtain a second solid mixture; and water, an inhibitor, a collecting agent and a foaming agent are sequentially added into the second solid mixture to form a third mixed solution, flotation is conducted, and calcium fluoride fine powder is obtained. Impurity elements can be removed through combination of phosphate conversion and a flotation method, and compared with a method for removing calcium phosphate and calcium sulfate through a chemical treatment method, the reagent dosage is greatly reduced, the temperature needed by conversion is low, the conversion time is short, and the cost is low.

The invention relates to the field of biochar materials, in particular to a biochar material and a preparation method and application thereof. The invention provides a preparation method of a biochar material, which is characterized by comprising the following steps: S101, obtaining a first mixed solution; s102, obtaining a first precursor; s103, obtaining a second precursor; s104, obtaining a first material; and S105, obtaining the biochar material. The biochar material prepared by the invention can perform directional adsorption on pigments (such as lutein and chlorophyll), and is suitable for being applied to QuEChERS method pretreatment.

The invention relates to the technical field of mineral resource recovery and environment-friendly beneficiation, and discloses a method for recovering phosphorite from micro-fine fraction tailings, which comprises the following steps: grading by a cyclone: micro-fine fraction ore pulp is introduced into the cyclone for grading, an overflow product enters an overflow pipe, and a sand setting product enters a subsequent desulfurization flotation process; carrying out copper-sulfur separation flotation: carrying out dehydration treatment on the crude copper concentrate obtained after desulfurization, and then entering a copper-sulfur separation flotation process to separate out copper fine powder and sulfur fine powder; the desulfurized minerals enter the micro-fine particle grade phosphorus selection process, the flotation process of one-roughing, one-sweeping and four-concentrating is adopted, and phosphorus concentrate is selected. According to the method, high-efficiency purification of copper and sulfur concentrates is achieved and tailing pollution is reduced through concentration classification of a cyclone, impurity removal of an inclined plate, desulfurization flotation and copper-sulfur separation flotation, in the phosphorite recycling process, the flotation process of one-time roughing, one-time sweeping and four-time concentration is adopted, automatic control equipment is arranged, and the recycling rate and purity of the phosphate concentrates are remarkably improved.

The invention relates to the technical field of filtering devices, and particularly discloses a waste gas treatment device for biodiesel processing, which comprises a box shell, the end part of a gas inlet pipe is provided with filter cloth wound on a rotating roller in a closed ring shape, the filter cloth is provided with a friction belt with ribs, and a cleaning solution is contained in the box shell; a cleaning mechanism is arranged in the box shell, the two supports are assembled in the box shell in an up-and-down moving mode, marbles for limiting the supports from moving upwards are arranged in the box shell, the movable plate is assembled in the box shell in an up-and-down moving mode, a telescopic block capable of being pushed upwards by the protruding edges is arranged in the movable plate, first elastic pieces are arranged between the movable plate and the supports, and a release plate is arranged in the box shell. An elastic piece II is arranged between the box shell and the movable plate; the two brush rollers are rotatably installed between the two supports, the brush rollers are in friction transmission with the friction belt, the shell is rotatably arranged outside the brush rollers in a sleeving mode, a spray head is arranged on the shell, and an extrusion roller is rotatably installed in the shell. The waste gas treatment device for biodiesel processing realizes on-line cleaning which can be simultaneously carried out in a filtering process and a cleaning process.

The invention relates to the field of environmental chemistry and biological sample analysis, in particular to an analysis method for detecting oxidative stress biomarkers in urine. The analysis method capable of simultaneously detecting dityrosine, 8-hydroxyguanosine, 8-hydroxydeoxyguanosine and 4-hydroxynonenal mercaptouric acid in human urine is provided on the basis of liquid chromatography-tandem mass spectrometry, effective purification of a urine sample is achieved through specific pretreatment, the matrix effect is reduced, and the detection sensitivity is improved. And specific liquid chromatogram parameter conditions are combined, so that simultaneous detection of the four oxidative stress biomarkers is realized. The method is good in selectivity, high in sensitivity and high in detection speed, the problem that polar and non-polar components cannot be measured at the same time at present is solved, the contained oxidative stress biomarkers are more comprehensive and more reasonable, and the oxidative stress damage condition of the organism can be better reflected.

The invention belongs to the technical field of byproduct recovery in phenol-acetone production, and particularly relates to a device and a method for purifying alpha-methyl styrene from byproducts in phenol-acetone production. The device comprises a filter, a light component removal tower, an AMS purification tower, a first cooler, a second cooler, a first reflux tank, a second reflux tank, a first reflux pump, a second reflux pump, a first reboiler, a second reboiler and a discharge pump. The alpha-methylstyrene is purified by using the device disclosed by the invention, so that the investment cost of a catalyst for generating cumene through hydrogenation of AMS is saved, the alpha-methylstyrene with high additional value can be recovered, and the economic benefit is improved.

The invention belongs to the technical field of chemical engineering, and particularly provides a crude n-butyl alcohol purification method and system.The purification method comprises the steps that crude n-butyl alcohol to be purified is input into a dehydration device, dehydration is conducted through membrane separation, and a first mixture is obtained; after preheating, carrying out hydrogenation reaction under the action of a catalyst to obtain a second mixture; performing reduced-pressure flash evaporation on the second mixture in a gas-liquid separation tank to obtain a third mixture; and rectifying the third mixture in a rectifying tower to obtain purified n-butyl alcohol. According to the method, unsaturated coloring functional groups in the crude n-butyl alcohol are efficiently removed through the modified low-load Pd-C catalyst, the difficulty of rectification separation is reduced, the purified n-butyl alcohol meets the requirements of GB / T6027-2023 for color number and sulfuric acid color development test key indexes, the method has the advantages of being simple in production process and low in energy consumption, and the method is suitable for industrial production. The method has great industrial application value.

The utility model provides a high-pressure rolling bar type cleaning machine, which is applied to the technical field of corn cleaning equipment and is characterized in that the high-pressure rolling bar type cleaning machine comprises a rolling bar type conveyor which is used for driving corns to rotate and conveying the corns, and a spraying mechanism which is used for washing the corns is arranged above the rolling bar type conveyor; a water receiving tank used for collecting and guiding out sewage generated after corn washing is arranged below the rolling bar type conveyor, and a water receiving tank used for collecting the sewage is arranged below the water receiving tank; the microfilter is connected with the water receiving tank, is used for filtering sewage and is connected with the spraying mechanism, and the microfilter is used for filtering the sewage and then conveying the sewage to the spraying mechanism again so as to realize cyclic utilization of water; the fresh corn cleaning device has the technical effects that the automation degree is high, and the fresh corn can be continuously cleaned in batches without manual work; in addition, sewage generated after corn cleaning can be filtered and purified, water recycling is achieved, and the production cost is saved.

The utility model discloses computer assembly welding equipment which is characterized in that an electric sliding rail is arranged in a welding box, an electric sliding block is in transmission connection in the electric sliding rail, the upper end face of the electric sliding block is fixedly connected with a supporting plate, the upper end face of the supporting plate is fixedly connected with a working table, the upper end face of the working table is fixedly connected with anti-skid lines, and the upper end face of the working table is fixedly connected with a welding rod. A sliding groove is formed in the welding box, a reciprocating lead screw is rotationally connected into the sliding groove, a limiting block is in threaded connection with the surface of the reciprocating lead screw, a telescopic air cylinder is fixedly connected to the center of the lower end face of the limiting block, a welding machine is fixedly installed at the telescopic end of the telescopic air cylinder, and through holes are formed in the two symmetrical sides of the upper end face of the welding box. Smoke generated during workpiece welding is conveyed into the supporting frame through the air suction pump, meanwhile, under the action of the activated carbon filter plate, the sucked smoke is effectively purified, and it is avoided that the smoke is directly discharged, the smoke is sucked into the body through breathing of workers, and health is affected.

The utility model provides an all-air air-conditioning system for preventing airborne propagation of microorganisms, which comprises an air-conditioning unit and an air pipe system, the air pipe system comprises an air supply pipe, an air return pipe and a fresh air pipe, and the air-conditioning unit comprises a casing, and a first purification component, a heat exchange component, a fan component and a second purification component which are arranged in the casing, a ventilation cavity is formed in the machine shell, the ventilation cavity is divided into a first cavity body and a second cavity body through a partition plate, a first air inlet used for communicating with a fresh air pipe and a second air inlet used for communicating with an air return pipe are formed in the side wall of the first cavity body, and the first purification assembly, the heat exchange assembly and the fan assembly are sequentially arranged in the first cavity body in the airflow direction; the second purification assembly is arranged in the second cavity. According to the all-air air conditioning system, air can be sterilized and purified at different levels, the quality of indoor air is improved, germs are prevented from diffusing into the whole place through the air conditioning unit when epidemic situations or other similar situations occur, and safety is improved.

The utility model relates to the technical field of agricultural water conservancy accessory devices, in particular to an ecological drainage ditch structure which can effectively purify sewage, reduce environmental pollution and prevent water and soil loss from influencing the normal drainage effect, so that the working efficiency and the effect of farmland drainage are improved, and the practicability is enhanced. A drainage groove is formed in the top of the ditch body, the vegetation layer is arranged on the surface of the drainage groove of the ditch body, the filtering layer is arranged at the bottom of the vegetation layer, the diversion layer is arranged at the bottom of the filtering layer, and the bottom of the diversion layer is connected with the bottom of the drainage groove of the ditch body through the supporting assembly; the ecological structure can effectively purify sewage and reduce environmental pollution through the combined action of the vegetation layer, the filter layer and the flow guide layer, and reduces labor cost and improves the drainage effect on farmland while maintaining ecological balance and saving energy and reducing emission.

The invention relates to the technical field of carbon capture, in particular to an amine liquid purification method and system for a carbon dioxide capture system. The amine liquid purification method for the carbon dioxide capture system comprises the following steps: A) conveying rich liquid after carbon dioxide capture to a regeneration tower for desorption; b) conveying a part of the desorbed barren solution to a residual CO2 removal device for CO2 separation; c) conveying the barren liquor treated in the step B) to a barren liquor cooler for cooling; d) conveying the cooled barren liquor to a precision filter for filtering; and E) conveying the filtered barren liquor to a solvent purification device to separate the thermally stable salt, and reusing the separated barren liquor in a carbon dioxide capture system. According to the amine liquid purification method and system for the carbon dioxide capture system, the amine liquid can be effectively purified.

The invention belongs to the field of titanium alloy smelting, and relates to a titanium alloy cast ingot vacuum consumable skull remelting method, which comprises the following steps of: distributing materials in a water-cooled copper crucible, sealing the furnace, carrying out arcing smelting through a self-made consumable electrode and raw materials in the crucible, continuously overflowing titanium liquid to fill the bottom of the water-cooled copper crucible, gradually completing smelting and casting into an ingot, through an on-line feeding system, single-furnace multi-time casting is achieved, and casting of 1-5 cast ingots is completed; and breaking the vacuum of the furnace chamber and the casting chamber, lifting out the mold, taking out of the furnace and ingot casting, taking out the skull in the water-cooled copper crucible for local flattening treatment, and paving the skull at the bottom of the water-cooled copper crucible to be used as the skull. According to the method, different raw material forms are combined on the basis of titanium alloy mark components, and equipment and process limitations during remelting of the titanium alloy returned furnace charge are broken through in a process mode of combining presetting in a crucible with online charging, so that high-quality remelting of 20-80% of the returned furnace charge is realized.

The invention relates to an artificial leather foaming waste gas treatment method and system. The system sequentially comprises a waste gas collection device, a filtering device, a cooling device, electrostatic oil fume purification equipment, an exhaust fan and a spraying and filtering device which are communicated with one another, the filter device is a filter screen; the cooling device is a dry type cooling device; the spraying filter box comprises a box body, a circulating water tank I arranged below the box body, a water pump I located in the circulating water tank I, a spraying device and a water-oil separation partition plate, the spraying device and the water-oil separation partition plate are arranged in the box body, the spraying device is connected with the water pump I, washing liquid is added into the circulating water tank I, and the water pump I is connected with the water-oil separation partition plate. And the spraying device and the water-oil separation partition plate are arranged front and back in parallel along the gas conveying direction. Through optimal design, dust, oil smoke and pollution gas in the artificial leather foaming waste gas can be effectively treated.

The invention discloses a waste alkali liquor resource utilization device for catalytic thermal cracking of residual oil and coal-to-olefins, comprising a waste alkali liquor deoiling section, an oxidation section, an organic matter removal section, a causticizing section, an evaporation and concentration section, a miscellaneous salt removal section, a sodium thiosulfate recovery section and a liquid caustic soda modulation recovery section, wherein the waste alkali liquor of a DCC device and an MTO device is subjected to oil-water separation in the waste alkali liquor deoiling section, the contained sodium sulfide is converted into sodium thiosulfate in the oxidation section, the organic matter is removed by adsorption of activated carbon in the organic matter removal section, the contained sodium carbonate is converted into calcium carbonate and sodium hydroxide by adding quicklime in the causticizing section, the water and residual sodium sulfide, sodium carbonate, sodium chloride and sodium sulfate are further removed in the evaporation and concentration section and the miscellaneous salt removal section, the sodium thiosulfate is separated in the sodium thiosulfate recovery section and the liquid caustic soda modulation recovery section, and the concentration of sodium hydroxide is adjusted. The invention realizes the efficient and low-cost resource utilization of mixed salts in the waste alkali liquor.

The utility model relates to the field of lithospermum oil production equipment, and discloses a lithospermum oil filtering and extracting device which comprises a protective shell, an extracting tank is arranged in the protective shell, a part of the extracting tank extends out of the top of the protective shell, a filter sieve is detachably placed in the extracting tank, and a heating device is arranged at the inner edge of the extracting tank. According to the lithospermum oil extraction device, the problems that existing lithospermum oil extraction is impure and the oil yield is low during extraction are solved, all mixed materials can be better filtered for multiple times through the extraction tank and the filter sieve, meanwhile, the extraction purity is higher, the oil yield can be better increased through the arranged heating device, and the oil yield is higher.

The invention discloses a magnesium vapor collection and purification integrated system and method, and belongs to the technical field of magnesium alloy purification. Comprising a refining furnace and an impurity removal chamber which are detachably connected. The method comprises the steps that crude magnesium high-temperature steam obtained after a thermal reduction reaction enters a refining furnace containing magnesium liquid through a pipeline to be liquefied, the magnesium liquid in the refining furnace can rotate in the furnace along with rotation of the refining furnace to react with the high-temperature magnesium steam, then a crystallizing agent is added into an impurity removal chamber to enable impurity metal to be precipitated, filtering is conducted, and slag and magnesium separation is achieved; and finally, high-purity magnesium is obtained through cooling. By means of the method, low-temperature, efficient and high-purity magnesium metal purification is achieved.

The invention discloses a chicken coop smell purification device for raising chickens, relates to the field of chicken coop equipment, and solves the problem that an existing chicken coop smell purification device is difficult to ensure normal purification of odor in a chicken coop. The chicken coop smell purification device comprises a device shell and an air inlet box fixedly mounted on the outer side of the device shell; two symmetrically-distributed air inlet fans are fixedly installed on the outer side of the air inlet box, an installation cylinder is arranged on the inner side of the device shell, four elastic filter screens distributed at equal intervals are fixedly installed on the outer side of the installation cylinder, and an exhaust air bellow is fixedly installed on the left side of the device shell. The purification mechanism is used for continuously purifying gas entering from the gas inlet box, and the purification mechanism is mounted on the inner side of the device shell; according to the efficient air purification device, the purification mechanism, the elastic filter screen and activated carbon are matched to purify entering air, the mounting cylinder can intermittently rotate, the problem that a traditional purification device is difficult to continuously purify the air is solved, and therefore the effect of efficiently purifying the air is achieved.