355results about How to "Extended stay" patented technology

The invention discloses a garbage disposal system used in cement dry kiln production, comprising a garbage storage silo, a garbage crusher, a garbage supplying device and a decomposing furnace in dry cement production, and a rotary cement kiln for cement dry production, wherein the garbage disposal system is provided with a garbage gasification burner, the garbage supplying device is communicated with the garbage inlet of the garbage gasification burner, an air exhaust port of the garbage gasification burner is communicated with the decomposing furnace through a pipeline, and the material outlet of the decomposing furnace is communicated with the material inlet of the cement kiln. Through the technical proposal, the invention realizes long detention time of the gas generated by garbage burning in the kiln, completes combustion process, high disposal temperature and completes burning under the high temperature; the invention completely avoids the odor generation during the garbage burning process and especially the dioxin generation, reducing the pollution to the environment, and fully utilizes the energy generated by the garbage burning; compared with prior art, the invention has the advantages of less investment, and good economic benefit and social benefit.

The invention discloses a glass smashing machine used for the building industry. The glass smashing machine comprises an outer shell, a feed inlet, a smashing roller, a guide plate, a smashing motor, a discharge outlet and supporting legs. The inner wall of the feed inlet is fixedly connected with an electric heating pipe. The top of the outer shell is fixedly connected with a water spray pipe. The upper surface of the outer shell is fixedly connected with a first crushing motor and a second crushing motor. The shaft extension ends of the first crushing motor and the second crushing motor are fixedly connected with crankshafts correspondingly. The outer shell is internally provided with a first crushing plate and a second crushing plate. Glass garbage is heated through the electric heating pipe, meanwhile, buffering plates and springs are matched, the retention time of the glass garbage in the feed inlet is prolonged, and the heating effect is improved; high-temperature glass is rapidly cooled through cold water, so that the glass becomes fragile and can be easily crushed, and the smashing effect is improved; the glass garbage between the first crushing plate and the second crushing plate can be crushed through crushing blades; and the glass garbage is further smashed through the smashing roller, so that the glass garbage is more thoroughly smashed.

The invention discloses a temperature and ion dual-sensitive in-situ gel nasal cavity drug delivery system, comprising a main drug and a temperature and ion dual-sensitive in-situ gel matrix, wherein the temperature and ion dual-sensitive in-situ gel matrix is mainly prepared from the following raw materials of temperature sensitive in-situ gel matrix, ion sensitive in-situ gel matrix, and a penetration enhancer. The drug delivery system disclosed by the invention is especially suitable for a drug of achieving the central pivot through a BBB (blood brain barrier) to play a role, has good sprayable property and good in-situ gel property and drug slow-release effect, and benefits for playing the drug effect.

The invention provides an in-furnace oil tar self-stripping type organic solid fuel gasification device and method. The device comprises a feeding device, a gasification device, a gasification gas fly ash cyclone separation device or a fly ash separation filtering device, a condensing device, a condensate water evaporation device, a gasification medium preheating device, an ash residue discharging device and a gas storage tank, wherein organic solid fuel is added from a feeding opening, and enters the gasification device through a two-stage sealing feeding valve; the organic solid fuel in the gasification device is firstly subjected to drying, pyrolysis, gasification and combustion reaction; gasification gas and ash residues are generated. The in-furnace oil tar self-stripping type organic solid fuel gasification device and method provided by the invention have the advantages that a good oil tar removal effect can be achieved; the coking wastewater zero discharge is realized; the gas quality can also be optimized in the process; the energy source efficiency is improved; the operation cost is reduced.

The invention discloses a whirl pulverized coal burner used for an industrial stove and adopting gas recirculation, and relates to a pulverized coal burner. The invention aims to solve the problem of large discharge of NOx of the pulverized coal burner for the industrial stove. The pulverized coal burner also comprises a group of conical annular separation rings, an inside gas recirculation channel and an outside gas recirculation channel; the group of conical annular separation rings are arranged in a primary air channel; the small diameter ends of the group of conical annular separation rings face the outlet end of the primary air channel; the annular inside gas recirculation channel is arranged between the primary air channel and an inner secondary air channel; and the annular outside gas recirculation channel is arranged between the inner secondary air channel and an outer secondary air channel. The whirl pulverized coal burner can be widely applied to the industrial stove.

The invention discloses an anaerobic fluidized bed reactor, characterized in that: the anaerobic fluidized bed reactor is a two-section cylinder which is thin above and thick below, the upper section is connected with the lower section through a taper transition section, a completly mixed reaction zone and a plug flow reaction zone are arranged in the reactor from bottom to top, a guide cylinder is arranged in the completly mixed reaction zone, a cover hood is arranged above the guide cylinder, a liquid-solid separator is arranged in the plug flow reaction zone, a three-phase separator is arranged above the liquid-solid separator, the water outlet of the three-phase separator is successively connected with a circulating pump and a jet nozzle through a circulating pipeline, and a water inlet pipeline is connected with the jet nozzle. By using outer circulation to drive inner circulation, the efficiency of the reactor is greatly raised.

The invention discloses a rain and sewage dual-purpose landscape type ecological purification system. The system comprises an upper-layer surface flow constructed wetland treatment system and a lower-layer biochemical treatment system, wherein all the bottoms of a primary filter tank, a final filter tank and a baffling constructed wetland of the upper-layer surface flow constructed wetland treatment system are paved with filter paddings; plants are planted on the primary filter tank, the final filter tank and the baffling constructed wetland; a water collecting tank, a hydrolyzing tank, an aerobic tank and a clean water tank of the lower-layer biochemical treatment system are separated by adopting walls; the separating wall of the water collecting tank and the hydrolyzing tank is provided with a channel; the hydrolyzing tank and the aerobic tank are provided with drainage pipelines communicated to the upward side of the constructed wetland; the aerobic tank is provided with an exhaust pipeline extending to the air; the primary filter tank is arranged above the water collecting tank; water inlet holes communicated with the water collecting tank are uniformly formed in the bottom of the primary filter tank; the final filter tank is arranged above the clean water tank; water inlet holes communicated with the clean water tank are uniformly formed in the bottom of the final filter tank; the baffling constructed wetland is arranged above the hydrolyzing tank and the aerobic tank.

The invention discloses a stepped differential-velocity fluidized bed cooler relating to a fluidized bed cooler. The invention aims to solve the problems of overhigh discharging temperature, poor cooling effect and non-uniform discharged grain temperature in the traditional fluidized bed cooler. A feeding pipe is communicated with the side wall at one end of a fluidized bed main body; an outer side wall at the other end of the fluidized bed main body is provided with an exhaust pipe and a first discharging pipe from the top down; a plurality of air chambers are arranged in the fluidized bed main body; the air chambers are arranged in sequence from high to low along the feeding-to-discharging direction of the fluidized bed main body; the upper end of each air chamber is provided with an air distribution plate; each air distribution plate is provided with a second discharging pipe; a plurality of air distribution holes are uniformly distributed and processed on each air distribution plate; a hood is arranged at each air distribution hole; an overflow plate is vertically arranged between every two adjacent air distribution plates; and the height of each overflow plate is sequentially and progressively reduced along the feeding-to-discharging direction of the fluidized bed main body. The stepped differential-velocity fluidized bed cooler is used for high-temperature granular materials in the cooling industry field.

The invention discloses a gas-liquid mixed dielectric barrier discharge water treatment device and method. The device comprises a reactor, a plasma generator, a pretreatment device, an atomization sprinkler and a corresponding measurement control system. According to the device and the method atomized wastewater and air are taken as plasma working media to generate stable and uniform plasma at the liquid level around electrodes inserted in the wastewater and along the gas phase of the electrodes, so as to effectively solve the problem that contact between active particles in plasma and organic pollutants in the water is insufficient. The gas-liquid mixed dielectric barrier discharge water treatment device and method have the characteristics of high treatment efficiency, economy and practicability.

The invention puts forward a method and device for a blast furnace to blow coal powder. Characterized by employment of several short spray guns, a large incidence angle, accurate positioning of spray guns, small heat radiation and long life of blowpipes, and adoption of ceramic nozzles, the new method and new device of the invention aims to eliminate various defects in prior art, such as small coal powder incidence angle, restriction by high speed hot airflow, inadequate mixing with hot air, long length and long service life of spray guns, large heat radiation and short service life of blowpipes, and hard use of oxygen-coal lances, etc. According to the invention, on the blowpipes of each air ports, each short spray gun is inserted into each installation seat, and coal powder blown into a blast furnace enters from blowing inlets positioned on a lateral side of each installation seat, then reaches the inside of each short spray gun through coal spraying holes that are disposed on tube walls of the short spray guns and are over against the blowing inlets, and is finally blown into the furnace through each short spray gun. The device of the invention at least comprises: a blowpipe with a coal powder precombustion function, short spray guns, installation seats, ball valves, locking devices, coal conveying branch pipes, a distributor, a small ball valve, a coal conveying pipe, and an inlet connecting piece.

The invention provides a method for synergetically treating fluorine-containing sludge in a cement kiln. According to the method, the fluorine-containing sludge with water content of 40-80% can be synergetically treated in a cement kiln, and the sludge mixing amount accounts for about 1-5% of the total amount of the cement raw material. The method provided by the invention is characterized in that the fluorine-containing sludge with the water content of 40-80% is dried by afterheat tail gas of the cement kiln, so that the fluorine containing sludge can be safely treated in the cement kiln andthe performance indexes of the produced cement reach the national standard. According to the invention, since the fluorine-containing sludge is used as an available resource, the fluorine-containing sludge containing fluorides is safely treated and a great deal of land is saved.

The invention discloses a cavity cleaning method of a plasma etching device. The plasma etching device comprises a reaction cavity, a gas inlet unit and a gas exhaust unit. The cavity cleaning method includes the steps that first process gas is led into the plasma etching device to wash the gas inlet unit, and at least parts of reaction by-products on the inner wall of the gas inlet unit are peeled off; second process gas is led into the plasma etching device to form plasmas of the second process gas, and the second process gas reacts with the peeled-off reaction by-products and reaction by-products on the inner wall of the reaction cavity so as to clean the inner wall of the reaction cavity; the pressure of the second process gas is increased, so that the plasmas of the second process gas reacts with the unpeeled-off reaction by-products in the gas inlet unit so as to clean the inner wall of the gas inlet unit. The cavity cleaning method can effectively reduce the risk of wafer center agglomeration defects caused due to the fact that residues of the gas inlet unit deposit and fall.

The invention relates to an N-level incineration treatment method for domestic garbage, which comprises that: an N-level incinerator (N is more than or equal to 2) is arranged between a rotary kiln and a decomposing furnace; tertiary hot-blast air is introduced into the N-level incinerator, so that spiral upcurrent with the temperature of 850 DEG C is formed; the domestic garbage of which the moisture content is less than 10 percent is crushed into garbage materials of which the granularity is less than 30 millimeters, and a small quantity of the garbage materials are fed into a furnace body slowly through an air-lock feeder, and meet N-level dividing grates which are arranged from top to bottom to undergo the combustion, decomposition and gasification of organic matters; and generated acidic fume is discharged to the decomposing furnace through smoke outlets distributed at multiple positions uniformly, and after the decomposing furnace reaches the furnace temperature of over 900 DEG C and is in the state of alkalinity, the acidic fumes can be further subjected to neutralization treatment to reach discharging standards finally. Ash residues of the garbage are discharged out of the furnace body by a totally-enclosed electric vibrating discharger, are conveyed to a kiln hood of the rotary kiln by conveying equipment to enter the rotary kiln, and are used as a raw component for producing cement for calcination and solidified in the cement finally, so that the treatment aim of the 'harmlessness, reduction and recycling' of the domestic garbage is fulfilled.

The present invention discloses a random laser which comprises a pump light source, a laser reflection lens, a capillary, a dye solution, and a light filter. The inner wall of the capillary is coated with a layer of random medium film formed by mixing nano TiO2 particles and an ultraviolet glue. The capillary is filled by the dye solution to form a random resonant cavity. The pump light wave generated by the pump light source is reflected by the laser reflection lens to irradiate the random resonant cavity, random laser is excited, and the random laser is outputted and filtered by the light filter. The invention also discloses a random resonant cavity manufacture method and a small particle concentration detection method. According to the random laser, the inner wall of the random laser resonant cavity is coated by the random medium film formed by mixing the nano TiO2 particles and the ultraviolet glue, under the effect of multiple scattering, the retention time of the light in a gain medium is increased, the gain length is reduced, the amplification of the light is enhanced, a gain is larger than a loss, the pumping power is reduced, and the controllable output of the random laser is realized.

The invention provides a medicated diet for improving functions of spleen and stomach and enhancing the immunoregulation capability and a preparation method of the medicated diet. The medicated diet comprises the following components: fructus jujubae, radix astragali preparata, ginseng, fried bighead atractylodes rhizome, poria cocos, fried semen coicis, agastache rugosus, radix paeoniae alba, fructus citrus sarcodactylis, fructus citri, Chinese yam, paederia scandens, caulis bambusae in taeniam, scorched medicated leaven, scorched malt, scorched hawthorn fruit, platycodon grandiflorum, radix aucklandiae, fructus aurantii, fructus amomi, pericarpium citri reticulatae, cassia twig, ginger, semen allii tuberose, radix saposhnikoviae, angelica sinensis, wolfberry fruit, rhizoma polygonati, lingzhi mushroom, rhodiola rosea, walnut meat, taraxacum, radix tinosporae, liquorice, brown granulated sugar and starch syrup. The medicated diet takes natural food materials, materials used as medicines and foods and materials used as health foods as the main raw materials, has the functions of invigorating spleen-stomach and replenishing qi, fortifying spleen and nourishing stomach, supporing Yang for consolidating superficies, reinforcing deficiency and strength, regulating qi function of human body, improving sub-health habitus and the like, can be used for improving functions of spleen and stomach and enhancing immunoregulation capability and has a good effect.

A medical device with a coating, particularly a drug eluting stent, is described. The coating includes a self-assembled monolayer.

The invention discloses a chemical washing-plant absorbing combined repair method for cadmium heavy pollution acid soil of a non-ferrous metal mining area of south China. The method comprises the following steps: grinding and sieving heavy metal polluted soil and filling the ground and sieved heavy metal polluted soil into an earth pillar; pouring a solution of ferric chloride into the upper part of a soil body, so that the solution flows out from the bottom of the earth pillar naturally along with the gravity, and most part of active cadmium can be removed; after a washing liquid in the upper part of the soil body completely seeps into the soil, pouring deionized water into the upper part of the soil body, so that the liquid flows out from the bottom of the earth pillar naturally along with the gravity, and residual cadmium and washing agent are removed; drying, grinding and sieving the washed soil; adding quicklime, sepiolite, a commercial organic fertilizer and the 0.2 to 1.2 g kg<-1> of total nutrient (N+P2O5+K2O) for improvement; continuously planting sedum plumbizincicola for 1 to 5 seasons, and harvesting over-ground parts to complete repair.

The present invention discloses a thermosensitive collagen-based composite hemostat gel and a preparation method thereof. The method is characterized by comprising the steps of preparing a regeneration collagen fiber solution by utilizing collagen type I in a neutral buffer environment in a constant temperature incubator at 25-37 DEG C through the molecular self-assembly process firstly; subjecting the regeneration collagen fiber solution to hydroxylation modification by utilizing glutamine transaminase to obtain a hydroxylated regeneration collagen fiber solution; adding poloxamer 407, polyvinylpyrrolidone and a hemostatic drug in the above hydroxylated regeneration collagen fiber solution and fully stirring the obtained mixture to finally prepare the thermosensitive collagen-based composite hemostat gel. The thermosensitive collagen-based composite hemostat gel is excellent in physiological hemostasis activity, temperature sensitive property, biodegradable property, biocompatibility, adhesivity and the like. By means of the gel, the bleeding is stopped quickly, and the antibacterial effect is realized. Meanwhile, wounds are kept moist, and the healing and repairing process of wounds is facilitated. Therefore, the thermosensitive collagen-based composite hemostat gel can be widely used for the hemostatic repair of wounds.

The invention is high-efficiency and low-pollution biomass high-temperature combustion boiler and belongs to the boiler technical field. The invention comprises a biomass granule feeding device, a fuel even distribution plate, a cross flue tube, a radiate diversion block, an air nozzle in sections, a cyclone dust collector, a liquid drainage pool, a furnace, and a heat convection chamber. The invention is characterized in that a hopper of the biomass granule feeding device is arranged above the boiler for pre-drying; radiate diversion blocks are arranged in good order in the boiler; the pre-heated high-temperature is injected upwards into a hearth from the nozzle sections in a tangential direction to realize the staged and swirl combustion; the bottom is equipped with a gas, liquid and solid phase high-temperature cyclone segregator; the central high-temperature flue gas flows through a central flue tube to the upper cross flue tube and then enters the annular clearance between the furnace and the boiler wall and the hot convection chamber from below the boiler wall. The invention combines characteristics of biomass fuel and comprehensively absorbs the advantages of high-temperature air combustion, staged combustion, cyclone combustion, cyclone dust collection, liquid drainage, flue gas recirculation and other technologies, so the invention can realize the clean and high-efficiency use of the renewable energy of biomass.

The invention relates to a full-water-leaching washing-type gas filter. The full-water-leaching washing-type gas filter comprises a cylinder body and a cylinder cover can be fixed on the upper edge of the cylinder body in a matched sealing mode and can be opened and closed; a gas exhaust opening is formed in the upper part of the side wall of the cylinder body; an adsorption liquid inlet and outlet is formed in the lower part of the side wall of the cylinder body; and the cylinder body is composed of a gas filtration chamber at the upper part and a gas water leaching adsorption chamber at the lower part. The full-water-leaching washing-type gas filter provided by the invention can fully adsorb harmful substances in waste gas, is simple and easy to operate, is convenient to maintain, omits water pumping and spraying by a water pump in the prior art, and saves the production cost.

The invention provides an SCR denitration device and a flue gas denitration method. The SCR denitration device is used for dinitration of the flue gas of a boiler. The boiler is provided with a flue gas channel for discharging the flue gas. The SCR denitration device comprises a catalyst sprayer for spraying a powder catalyst into the flue gas channel. The powder catalyst is sprayed into the flue gas channel, so that the largest reaction capacity of the catalyst can be guaranteed. A relatively good denitration effect can be achieved by spraying a small amount of the catalyst. Furthermore, a deceleration layer is used cooperatively, so that a retention time of the powder catalyst can be prolonged and catalytic efficiency is increased. The spraying amount of the powder catalyst can be flexibly adjusted according to concentrations of nitrogen oxides in the flue gas; and the SCR denitration device and the flue gas denitration method can be used for treatment of an extremely volatile nitrogen oxide flue gas.

The invention discloses an anti-clogging industrial dust removal device, which comprises a device body; the device body is mainly composed of a support frame, a base, a dust gas inlet, an air intake outlet, a bag assembly and an ash hopper, and a biaxial Motor, the inner wall of the device body is symmetrically provided with chute, the two ends of the double-axis motor are fixedly connected with fixed rods, the upper and lower ends of the double-axis motor are respectively connected with the first rotating shaft and the second rotating shaft, and the device body is located above the double-axis motor A fixed plate is provided, the bottom of the biaxial motor is connected with the second rotating shaft, the end of the second rotating shaft is fixedly connected with the fixed plate, the lower surface of the fixed plate is hinged with a connecting rod, and the end of the connecting rod is hinged with a counterweight, and the inner bottom of the device body is The bottom plate and the bottom of the device body are fixedly connected with an ash hopper, and the bottom of the ash hopper is provided with an ash discharge gear. The device has high stability, is easy to move, and is convenient to use, and the device has high dust removal efficiency, and the dust will not block the through hole and the ash discharge port, which is convenient for ash discharge.

The invention provides a device for cooling a hot node and a mould. The device comprises a connector part and a cooling part, wherein the connector part and the cooling part are connected with each other. The cooling part comprises an inner pipe and an outer pipe, wherein the inner pipe and the outer pipe are concentrically arranged. One end of the outer pipe is connected with the connector part, the other end of the outer pipe is closed, and a spiral water channel is formed in the inner wall of the outer pipe. A blind hole is formed inside the closed end of the outer pipe, and the blind hole and the spiral water channel are communicated through a connecting channel. One end of the inner pipe is fixedly connected with the connector part, and the other end of the inner pipe is located in the blind hole. A threaded hole is formed in one end of the connector part, threads are formed in the outer side of one end of the outer pipe, a mounting hole is formed in the bottom of the threaded hole, and the inner pipe is located in the mounting hole. A water inlet hole and a water outlet hole are further formed in the connector part, the water inlet hole is communicated with the mounting hole and the inner pipe, and the water outlet hole is communicated with the threaded hole. By the adoption of the scheme, due to the fact that the spiral water channel is formed in the inner wall of the outer pipe, the staying time of cooling water is prolonged, the area where the cooling water flows through is enlarged, the cooling effect is good, and the product quality is high; and due to the fact that direct insertion type mounting is adopted, disassembly and assembly are convenient, and the working efficiency is improved.

The invention discloses a flame stabilizer, a radial flame stabilizer and a combustion chamber. According to the flame stablizer, a stabilizer body comprises a periodic fluctuation profile, wherein the periodic fluctuation profile comprises a plurality of fluctuation units distributed in the radial direction; each fluctuation unit fluctuates in the direction away from the stabilizer body; the fluctuation directions of the adjacent fluctuation units are opposite; and the fluctuation height of each fluctuation unit is gradually increased in the direction from the front end to the rear end. The flame stablizer integrates the functions of mixing, oil supply and flame stabilization; the fuel oil retention time can be prolonged; the fuel oil atomization and evaporation properties can be improved; the mixing of fuel oil and air can be enhanced; the circumferential cross-flame capacity can be improved; the more sufficient combustion in the combustion chamber can be achieved; the working efficiency of the combustion chamber can be improved; the outlet temperature can be more uniform; and the stable working range of an afterburner can be expanded.

A solar anaerobic granular sludge circulation reactor belongs to the environmental engineering field. The reactor is characterized by comprising a water inflow and distribution chamber, a granular sludge reaction chamber, a precipitation and filtration chamber, a sludge circulation system, a triphase separator and a solar collector enclosure. The water inflow and distribution chamber is arranged on the lower part of the granular sludge reaction chamber, the precipitation and filtration chamber and the granular sludge reaction chamber are of concentric nested structure, the solar collector enclosure is arranged on the upper part of the triphase separator, the granular sludge reaction chamber is communicated with the precipitation and filtration chamber via an output pipe of the granular sludge reaction chamber, and the water inflow and distribution chamber is communicated with the granular sludge reaction chamber via a permeable layer of the water inflow and distribution chamber. The circulation reactor not only increases the biodegradation efficiency and lowers the operating cost, but also achieves the aim of improving the effluent quality. The circulation reactor can be used for treating high-concentration sewage.

The invention discloses a new vertical mill grinding device. The new vertical mill grinding device is characterized by comprising a discharging lifer (2), a vertical mill (3), a powder concentrator conveying machine (4), a multi-functional powder concentrator (5), a raw material conveying machine (6), a rotoclone collector (7) and a circulating fan (8); the top of the discharging lifer (2) is connected with the vertical mill (3) through the powder concentrator conveying machine (4); the raw material conveying machine (6) is connected with a material inlet (36) of the vertical mill (3); the upper middle part of the vertical mill (3) is provided with an air inlet (31) which is connected with an outlet for hot air from a kiln tail or a hot blast heater; an air outlet (30) on the top of the vertical mill (3) is connected with the rotoclone collector (7); and the top of the rotoclone collector (7) is connected with the circulating fan (8). According to the new vertical mill grinding device, the conditions of flowing chaos and instability of materials on a raw material bed and can be avoided, the materials are clarified roughly on the bed, the retention time of coarse materials is prolonged, and the grinding efficiency and yield are improved.

The objective of this invention is to inhibit yellowing of a polymer caused by thermal decomposition when degassing a monomer from a reactant. This invention provides a polymer degassing apparatus comprising a barrel-shaped horizontal container 41 having a supply port 42 for supplying a reactant, a discharge port 43 for discharging a reactant, a stirring means 45 for stirring a reactant, and a degassing means for drawing a gas via a degassing port 44 of the horizontal container, wherein the supply port is positioned below the molten liquid level of the reactant, a recovery container 37 that is connected to the degassing port for recovering a volatile substance in the gas and a vacuum pump 36 are provided, and the stirring means comprises a plurality of stirring rods 46 oriented along the same direction as the axis in the horizontal container and coupling members 47 for coupling the stirring rods along the same direction as the axis, provided that the coupling members are placed at a distance from the virtual rotation center of the stirring means.

Disclosed is efficient indoor air purification equipment based on a fan blade disturbed flow principle. The efficient indoor air purification equipment comprises a shell. A first buckle cover, a second buckle cover and a third buckle cover are arranged at the inner bottom of the shell. The bottom ends of the first buckle cover, the second buckle cover and the third buckle cover are all fixedly connected with the inner bottom of the shell, and the top ends of the first buckle cover, the second buckle cover and the third buckle cover are all closed. The upper portion of the first buckle cover communicates with the bottom of the second buckle cover through a first pipeline. The upper portion of the second buckle cover communicates with the bottom of the third buckle cover through a second pipeline. The efficient indoor air purification equipment has the beneficial effects that air is subjected to filtration treatment in advance, and subsequent purification is facilitated; and after entering the first buckle cover, the air is subjected to disturbed flow through fan blades, residence time of the air in the first buckle cover is prolonged, thus contact time of the air and water is prolonged, and the air treatment effect is improved effectively.

The invention discloses azithromycin ophthalmic in-situ gel. The azithromycin ophthalmic in-situ gel comprises the following components in percentage by weight: 0.1 to 5 percent of azithromycin, 0.05to 5 percent of cationic polysaccharide, 0.05 to 5 percent of sodium alga acid, 10 to 30 percent of poloxamer 407, 0.1 to 15 percent of poloxamer 188, 0.05 to 5 percent of cosolvent and buffer salt thereof, 0.01 to 5 percent of a tackifier, 0.01 to 5 percent of an antioxidant, 0.1 to 10 percent of an osmotic pressure regulator and 0.001 to 2 percent of a preservative. The prepared azithromycin ophthalmic in-situ gel still has proper solution-gel phase conversion ability when being used and diluted by tear, has excellent mucous membrane permeability and biological adhesive force, overcomes thedefects in the prior art, increases the ocular bioavailability of the medicine, improves corneal permeability, reduces eye irritant irritation and improves compliance of patients. The invention also discloses a preparation method of the gel, wherein the process is simple.

The invention provides an integrated efficient water purifier. The integrated efficient water purifier is provided with a flocculation region, wherein the flocculation region is arranged at a water inlet side, the bottom of an adjacent side is a precipitation sludge discharge region, an inclined pipe precipitation device is arranged above the precipitation sludge discharge region, a transitional water storage tank is arranged above the inclined pipe precipitation device, and an opening at one side of the transitional water storage tank is connected with the flocculation region; a baffle is arranged in the flocculation region, and a gravity sludge discharge pipe is arranged at the bottom; multiple hinged folded inclined plates are uniformly distributed on the baffle; the plate can move up and down through a pull rod, and the folded inclined plate in the vertical direction can automatically rotate from 0 degree to 90 degrees clockwise by pulling the pull rod and by hinge transmission. The integrated efficient water purifier provided by the invention is simple in water treatment flow, small in construction investment, low in operation cost and low in requirements on technical capacity of maintenance personnel; treated sewage can meet the standard of domestic drinking water, so that the utilization rate of water can be effectively improved and the safety and sanitation requirements of water application of rural areas and remote enterprises can be ensured.