69results about How to "No emission pollution" patented technology

The invention discloses an electric drive fracturing semi-trailer of a frequency conversion integrated machine. The optimization and integration of the traditional power supply semi-trailer and the fracturing semi-trailer realize the functions of power supply and fracturing of one semi-trailer without using the complete set of the power supply semi-trailer and the fracturing semi-trailer, the electric drive fracturing semi-trailer is more flexible in actual use, and the well field layout of oil and gas fields is greatly optimized; the transportation is convenient; only a set of high-voltage cables can be connected with the high-voltage power supply to reach a working state, and the wiring installation is faster; compared with diesel-driven fracturing, and the noise of the electric drive fracturing is low without exhaust emission pollution; the driving source is power, which has lower cost than the diesel; the electric drive fracturing semi-trailer adopts an integrated design of a motorand a frequency converter (namely, the frequency conversion integrated machine), the space occupied by the electric motor and the inverter in the prior art is reduced effectively, so the installing part of the electric drive fracturing semi-trailer has smaller volume and the transportation is more convenient, and can also provide space guarantee for installing other equipment on the semi-trailerbody.

The invention relates to a flow injection ammonia nitrogen color matching detection method, belonging to analytical chemistry technical field, which comprises injecting release solution as dilute NaOH solution into a capillary pipeline system connected with a gas liquid separator, injecting quantitative water sample to flow and circulate along with the release liquid in the capillary pipeline system, releasing ammonia from the water sample at the deep groove of the gas liquid separator and penetrate a ventilated membrane to be absorbed by acid-base indicator receive solution of more acid in another capillary groove at another side of the membrane, to change the color of the acid-base indicator, and feeding the receive solution absorbed with ammonia into a flow-through cell of a chromometer, using the photoelectric colorimeter to test the change of translucent photoelectric voltage and calculating out the ammonia nitrogen density of the sample water. The invention further provides a relative device. The invention can realize online detection of ammonia and nitrogen contents of water or solution quickly and simply, with accurate and reliable detected data, which only needs 50ul-1ml water sample injected in one time, low agent consumption, low cost and safe agents.

The invention relates to an intelligent networking electric sightseeing vehicle and a control method. According to the technical scheme, the intelligent networking electric sightseeing vehicle comprises a sightseeing vehicle module and an intelligent tour guide module; the sightseeing vehicle module comprises a camera, radar, a vehicle motion controller, a vehicle-mounted GPS, a drive motor, a brake motor, non-pneumatic tires and the like, and intelligent traveling is achieved through an environmental perception algorithm, an intelligent decision algorithm, a vehicle motion control algorithm and the motion execution techniques of four-wheel drive, four-wheel steering and four-wheel braking; the intelligent tour guide module comprises an intelligent tour guide controller, a passenger interactive interface, an RFID reader and the like, and the passenger interactive interface obtains the passenger personalized choice; and the vehicle is used for tourist scenic area sightseeing and the like. The intelligent networking electric sightseeing vehicle has the beneficial effects of being intelligent, safe, capable of saving energy, environment-friendly and the like, the sightseeing vehicle travels intelligently along a tour route set by a passenger without a human driver, people-oriented intelligent tour guide services as required are provided on the basis of the passenger personalized choice, and two-way communication between the vehicle and a passenger management center is enhanced.

The present invention discloses a baking soda production anti-caking process and apparatus, and the main feature is that in the production process of baking soda, the dried baking soda is not directly packaged, first, agglomerates in the material are crushed by a cyclone sieve, meanwhile large particles are sieved out, the sieved material enters into a powder flow cooler for cooling and packaging. The dried baking soda is first crushed by the cyclone sieve, then cooled by the powder flow cooler, and packed, the finished baking soda agglomeration phenomenon can be eliminated; by selection of the cyclone sieve, while sieving, agglomerates formed in the drying process can be crushed, compared with a loud noise vibrating screen, the work environment is favorable to the health of an operator; the powder flow cooler has a simple structure, high heat transfer efficiency, low energy consumption, no damage of crystalline particles, no pollution emissions, low operation and maintenance costs, small floor space and other advantages; the produced baking soda product has high quality, is not contaminated, and fully meets food grade requirements.

The invention provides a heating system based on solid heat storage. The heating system comprises a heat exchange device, a control device and a remote control center; the remote control center is in communication connection with the control device; the heat exchange device includes a shell, and a heat storage body, a heat exchanger and a fan arranged in the shell; the fan is arranged at one end of the bottom of the shell; the heat storage body is fixed in the shell through a mounting bracket; an electric heating medium and a heat storage medium are arranged in the heat storage body; an air way is arranged around the heat storage body; an insulation material is arranged around the air way; and the heat exchanger is arranged in the air way, and is connected with an input pipe and an output pipe. The heat storage body can convert redundant electric energy to heat energy for storage at low power use stage based on a solid heat storage material, and can release the energy at high power use stage, so that the heating demands of the heating system are satisfied, and the waste of electric energy is reduced.

The invention relates to a desizing and decolorizing composite enzyme and a nostalgic-style denim fabric washing process thereof. The desizing and decolorizing composite enzyme is prepared from the following components in percentage by weight: 30% to 35% of desizing enzyme, 13% to 16% of ligninase; 20 to 26% of neutral cellulase, 26% to 32% of tetrasodium ethylenediaminetetraacetate, 5% to 8% of anonionic surfactant and the balance of deionized water. The nostalgic-style denim fabric washing process comprises the following steps of: desizing and decoloring treatment, potassium permanganate strong decolorizing treatment, demanganization treatment, normal temperature washing, polishing soft treatment, dehydration and drying treatment. According to the process, the desizing and decolorizingare carried out in one bath, so that the water and energy are saved, the abrasion caused by machinery to denim fabrics is decreased, the strong damage is reduced, the discharge of harmful substances is decreased, and the washed denim fabrics are free of pilling and furring and have softer hand feeling.

Dedicated equipment integrating multiple decentralized coarse and fine fume cleaning equipment and heat recovery boiler is composed of fume intake duct, upper cone shaped clearance chamber, straight shaped reclaiming chamber, lower cone shaped ash collection chamber and clearance delivery tube for cleansing fume from hot stove of silicon mine, reclaiming nano SiO2 powder and waste heat. Upper part of the straight shaped reclaiming chamber includes several filters made from metal rubber or mipor ceramics, and lower part is composed of several tubular type heat exchangers with forced circulation water-cooled guide plate. Fume cleaning reaches discharge standard. Reclaimed saturated steam can be utilized for production and life and grain size of reclaimed nano SiO2 powder less than 100nm is more than 60%.

The invention discloses a high-efficiency solar lighting system. A multicrystal silicon solar photovoltaic module array with a no-load output voltage of 60V provides electric energy. A solar charging controller is connected with the multicrystal silicon solar photovoltaic module array and is also connected with an intelligent power supply controller, the intelligent power supply controller is formed by a UPS (Uninterruptible Power Supply) switching controller based on the control of a single chip, a battery bank is connected between the solar charging controller and the intelligent power supply controller and consists of total 18 deeply circular sealed maintenance-free lead-acid accumulators with monomers of 36V, the other input end of the intelligent power supply controller is connected with a rectification voltage stabilizer connected into the mains supply, and the output end of the intelligent power supply controller is sequentially connected with an automatic dimmer and an LED lamp set. In the high-efficiency solar lighting system, 36V low-voltage direct current drives the LED lamp set without needing an immediate alternating-current and direct-current transformation process, thereby effectively avoiding the electric power consumption in the immediate alternating current and direct-current transformation process and reducing more than 60% of electric power consumption; an IC (Integrated Circuit) is controlled and driven by an optical sensing PWM (Pulse Width Modulator), and the brightness of the LED lamp can be automatically and suitably regulated according to environment illumination. The invention is mainly applied to places needing more lighting lamps and higher uniformly-distributed illuminating brightness, such as markets, hotels, schools, office buildings and the like, and also applied to household lighting systems.

The invention discloses a treatment device and method for wastewater containing ammonia nitrogen and phosphorus. The device comprises a wastewater tank, a pH regulation unit, a high-position tank, anelectrolyte preparation device and an electrolytic catalytic oxidation unit; the wastewater tank is connected with the pH regulation unit through a water pump; the pH regulation unit is connected withthe high-position tank; the high-position tank is connected with the electrolyte preparation device and a water inlet in the lower portion of one end of the electrolytic catalytic oxidation unit; theelectrolyte preparation device is connected with the water inlet in the lower portion of one end of the electrolytic catalytic oxidation unit; a water outlet of the electrolytic catalytic oxidation unit is formed in the upper portion of the other end of the electrolytic catalytic oxidation unit. The invention also discloses a treatment method for wastewater containing ammonia nitrogen and phosphorus. The device is simple in structure, resistant to corrosion and convenient to operate; in the method, the emission concentration of ammonia nitrogen is smaller than or equal to 3 mg / L, the emissionconcentration of phosphorus is smaller than or equal to 0.25 mg / L, and the integrated wastewater discharge standard of the Ministry of Environmental Protection is met; the process is simple, the costis low, and no waste gas is emitted.

The invention discloses a waterproof sun-proof outer wall coating and a preparing method thereof, and relates to the field of novel building coatings. The coating is prepared from polyethersulfone resin, polyphenylene oxide resin, pure acrylic emulsion, modified starch, aerated aluminum powder, calcium-magnesium powder, zeolite powder, tetrachloroisophthalonitrile emulsion, sodium bentonite, dodecyl oleate, N-hydroxy methyl acrylamide, an anti-irradiation agent, a wetting dispersant reagent, a film forming auxiliary, an antioxidant and a flatting agent. The preparing method of the waterproof sun-proof outer wall coating includes the steps that the raw materials are mixed and milled; water are added into the milled materials and mixed to be even, and the waterproof sun-proof outer wall coating can be obtained. The waterproof sun-proof outer wall coating is easy and convenient to prepare and low in raw-material cost, has the excellent waterproof and sun-proof performance, and is long in service life and suitable for application and popularization.

The invention discloses a die production technology for processing micro-nano textures by UV transferring printing and pressing printing. The technology comprises the step 1 of designing a 2D / 3D micro-nano texture structure, the step 2 of transforming graphic of the 2D / 3D micro-nano texture structure, the step 3 of combining and coating, the step 4 of exposing and imaging, and the step 5 of forming through a die. The technology has the beneficial effects that the independent product design capacity is improved; a large amount of currency running out and cost due to external trade can be decreased; any emission pollution is avoided; the environment is protected; the energy is saved; the manufacturing cost is proper; a 2D / 3D micro-nano texture structure product can be widely popularized andapplied in all industries; and the 2D / 3D micro-nano texture structure product can be randomly independently researched and developed and designed so as to realize different 2D / 3D micro-nano texture structure product effects.

The invention provides a method for manufacturing a composite coating on a base material. The method comprises the following steps: 1, coating at least one bonding layer on the surface of the base material to obtain the base material with the bonding layer; 2, coating at least one metal layer on the base material with the bonding layer to obtain the base material with the metal layer; and 3, coating at least one anticorrosion layer on the base material with the metal layer. According to the composite coating in the embodiment of the invention, the bonding layer is a bottom layer, the metal layer is an intermediate layer, and the anticorrosion layer is a surface layer, so the coating can be attached to the base material without polishing; adhesion force between the coating and the base material is strong, and the surface layer hardness which is high can reach 4H; the surface layer which has a metal cluster has a reflective property, so the anticorrosion effect same as anticorrosion effects of common electroplating effects can be reached; and no electroplating is needed, so no discharge pollution, low energy consumption and low cost are realized in the production process.

The invention discloses an efficient wet multistage desulfurization dust remover, and relates to the technical field of dust removers. The efficient wet multistage desulfurization dust remover comprises a primary desulfurization dust removal device and a secondary and tertiary desulfurization dust removal device. The primary desulfurization dust removal device is separated from the secondary and tertiary desulfurization dust removal device by sealing partition plates, the upper portion of a primary desulfurization dust removal tank is divided into a first flue chamber and a second flue chamber, a Y-shaped flue flat plate is arranged on the lower side of the first flue chamber, a Y-shaped flue orifice plate is arranged on the lower side of the second flue chamber, an alkali liquor sedimentation pond is arranged at the bottom of the primary desulfurization dust removal tank, a blow-down opening is formed in the bottom of the alkali liquor sedimentation pond, a second dust cleaning inspection opening is formed in a side wall of the alkali liquor sedimentation pond, an automatic water replenishing tank is connected with a side edge of the alkali liquor sedimentation pond, and two layers of turbulence dehydration plates are oppositely mounted on the upper side and the lower side of the inside of the second flue chamber. The efficient wet multistage desulfurization dust remover has the advantages that the efficient wet multistage desulfurization dust remover has efficient desulfurization and dust removal double-effect functions and is small in occupied area and convenient to mount; flue gas pollutant emission values of the efficient wet multistage desulfurization dust remover are lower than pollutant emission limit values in national environmental protection standards for important regions.

The invention provides a wireless smart electric transport cart platform for the facility agriculture. The wireless smart electric transport cart platform comprises a track, a cart body, a remote control system and a position marking and recognition system. The cart body comprises a frame and a travelling mechanism. Two ends of the frame are connected with guide wheels used for direction guide through guide wheel stands, and the guide wheels are matched with the track. The travelling mechanism is provided with an axle, drive wheels, a drive motor and a differential mechanism. The remote control system comprises a remote controller and a control cabinet arranged on the frame. The remote controller comprises a remote control transmitter. The control cabinet comprises a remote control receiver and a control unit which is electrically connected with the drive motor and the remote control receiver. The position marking and recognition system comprises a plurality of radio frequency transmitters, receiving antennas and radio frequency receivers, wherein the receiving antennas are connected with the radio frequency receivers, and the radio frequency receivers are electrically connected with the control unit.

The invention relates to a method for recycling a crude product triethylamine in AKD (alkyl ketene dimer) production. The method comprises steps as follows: a, the crude product triethylamine is subjected to crude separation by a decanter; b, the crude product triethylamine enters the top of an evaporator after preheated by a preheater, heavy components enter a revaporizer, residual triethylamine is continuously evaporated in the revaporizer, and the heavy components are discharged from a tower bottom; c, light components continuously enters a rectifying tower after evaporation, and trace moisture in triethylamine is removed according to the azeotropic distillation principle; and d, trace solid particles in the crude product triethylamine evaporation process are removed by a filter arranged at the tower bottom. The crude product triethylamine in the AKD production process is treated and reused in AKD production, waste water and waste residue emission pollution is avoided, gas-phase feeding is adopted, steam consumption is reduced, further, triethylamine recycling rate is high, the production cost of an AKD product is reduced, and more remarkable economic benefits are achieved.

The invention discloses a smooth brightener for treating wool or wool-containing fabrics. The smooth brightener is characterized by comprising the following specific components: 5-8% of di(fatty acid alkyl ester) hydroxyethyl methyl ammonium methylsulfate, 5-10% of polyoxyethylene ether 8810, 6-9% of polyether, 3-5% of a silane coupling agent, 2-5% of polyester, 23-26% of D4 octamethylcyclotetrasiloxane, 1.5-2% of a catalyst, 0.5-1.5% of cold acetic acid and the balance of deionized water. The method for preparing the smooth brightener comprises the following steps: weighing raw materials according to a formula ratio, performing periodical stirring, and carrying out a heating reaction. The smooth brightener for treating wool or wool-containing fabrics disclosed by the invention is capable of improving the smoothness and soft hand feeling of the wool or wool-containing fabrics and achieves excellent effects of increasing color, brightening and adding luster when used for finishing of the wool fabrics.

The invention relates to a colorimetric detection method of sugar content of water, which comprises the steps of: under the condition of concentrated sulfuric acid, taking alpha-naphthol as a color-developing agent to prepare furfuraldehyde and derivatives thereof under the action of sugar and the concentrated sulfuric acid, and further performing condensation of the furfuraldehyde and the derivatives thereof and the alpha-naphthol to obtain purple complex compounds; and measuring reactant and recording change of intensity of transmitted light of aubergine condensation compounds absorbing absorb light with wavelength of 595 nanometers by a photoelectric colorimeter to obtain a response curve with corresponding peak height and peak width, and comparing the peak height of the curve with that of a light absorption curve of master standard water with a known sugar concentration to obtain sugar content values in water samples through calculation. The method has the advantages that: the on-line detection of the content of sugar with low content in water or solution can be performed; the process is simple, convenient and short; the detection data is accurate and reliable; the sample injected for one time of detection is only 50mu m to 1ml; only a very small amount of reagent is consumed each time; the operation cost is low; and the reagent is safe and nontoxic.

The invention discloses a monorail crane driving device. The device comprises a driving frame and a driving wheel mechanism arranged on the driving frame, the driving wheel mechanism comprises two driving wheel assemblies which are oppositely arranged, and each driving wheel assembly comprises a mechanical transmission box, a driving wheel and a driving motor which are connected with the mechanical transmission box. The mechanical transmission boxes are connected with the driving frame, the driving wheels rotate under the action of the driving motors and the mechanical transmission boxes, andthe driving wheel assemblies drive a monorail crane to walk on an I-shaped rail through friction force between the driving wheels and the I-shaped rail of the monorail crane. The driving device is compact in overall structure, comprehensive in function, small in size, small in occupied space, light in weight, high in safety performance and high in reliability, the driving motors serve as the driving force of the driving device, the driving device is environmentally friendly, tail gas emission pollution is avoided, noise pollution is small, and the underground working environment of a coal mineis well improved.

The invention relates to a clean production process of alkyne diol serial products, and aims to provide a clean production process of the alkyne diol serial products mild in reaction condition and low in production cost. The clean production process of the alkyne diol serial products comprises the following steps: adding an organic solvent into a reaction kettle, standing, and then, adding alkali metal hydroxide; respectively adding acetylene and ketone by a pump into the reaction kettle for a reaction, and controlling the feeding speed, wherein in the feeding process, the pressure in the reaction kettle is not greater than 0.08MPa; after reaction, cooling to below 50 DEG C, and adding water to stir; and dropping an acid to adjust pH to 3-4, washing by water, standing and layering, and decompressing and distilling to recover n-heptane to obtain the product. According to the process provided by the invention, the use level of catalyst is fewer, so that the product belongs to bulk chemical product and the cost is low. The process temperature is not higher than 80 DEG C, the pressure is not greater than 0.08MPa, and the condition is mild. The yield of alkyne diol synthesized is greater than 85%. The solvent is decompressed, distilled, recovered and recycled, and no discharge waste exists.

The invention discloses an electric monorail crane locomotive which comprises a battery cabinet used for installing a storage battery pack, a frequency conversion cabinet used for installing a motor frequency conversion control device, two cabinet body hanging devices hinged to each other and a plurality of driving devices hinged in sequence. Each cabinet body hanging device comprises a cabinet body hanging support used for hanging a cabinet body and a plurality of hanging mechanisms which are hung on an I-shaped rail of the monorail crane and can walk on the I-shaped rail, and the hanging mechanisms are connected to the cabinet body hanging support in a horizontal rotating mode. The battery cabinet and the frequency conversion cabinet are detachably hung on cabinet body hanging supports of the two cabinet body hanging devices respectively, the driving device is driven by a motor, and one hanging mechanism is hinged to the driving device adjacent to the hanging mechanism. The electricmonorail crane locomotive provided by the invention is powered by the storage battery to realize electric driving, the green operation of zero emission, no pollution, low noise and the like of the monorail crane locomotive are realized, and the underground working environment of a coal mine is improved.

The invention provides a modular energy storage and powder generation device. The modular energy storage and powder generation device comprises a driving source, afirst shaft coupler with a clutchingfunction, a speed reducing machine, a power generator, a speed reducer, a controller and a plurality of gear boxes, wherein the driving source is connected with the input end of the speed reducing machine through the first shaft coupler; the first shaft coupler and the control end of the power generator are connected with the signal output end of the controller; the modular energy storage and powder generation device is characterized in that two second shaft couplers and a plurality of flywheel modules are added; a gear box is arranged between adjacent flywheel modules and is connected with the output end and the input end of the adjacent flywheel modules respectively; each flywheel module comprises a supporting frame, a transmission shaft horizontally mounted on the supporting frame through coordination of bearings and bearing bases, and a flywheel fixedly mounted on the transmission shaft; according to the power output sequence, the flywheel in the first flywheel module is in the shape of a wheel hub, and the speed reducer corresponding to the flywheel is arranged on the supporting frame; the flywheel in the last flywheel module is in the shape of a flying saucer; the other flywheels are in the shapes of circular disks; the output end of the last flywheel module is connected with the power generator. The modular energy storage and powder generation device has excellent working performance.

The invention discloses sand blasting cleaning equipment for the inner wall and the outer wall of a steel pipe and a method for cleaning the inner wall and the outer wall of the steel pipe by using the equipment. The equipment comprises a cleaning bin, a guide rail, a material carrying system and a sand blasting system, wherein the sand blasting system comprises a spray head device, the spray headdevice comprises an inner wall spray head device and an outer wall spray head device, a sand conveying pipe comprises an inner wall sand conveying pipe body and an outer wall sand conveying pipe body, a spray pipe comprises an inner wall spray pipe body and an outer wall spray pipe body, the inner wall spray head device is connected with the inner wall spray pipe body, the inner wall spray pipe body communicates with a sand discharging tank through the inner wall sand conveying pipe body, the inner wall spray pipe body is fixed to a spray pipe vehicle driven by a second walking power device,the spray pipe vehicle is arranged on the guide rail, the outer wall spray head device is connected with the outer wall spray pipe body, the outer wall spray pipe body communicates with the sand discharging tank through the outer wall sand conveying pipe body, the outer wall spray pipe body extends into a cleaning bin and is fixed to a sand blasting working position. According to the provided sandblasting cleaning equipment for the inner wall and the outer wall of the steel pipe, the requirement of cleaning the small-caliber steel pipe can be met, moreover, the inner wall and the outer wall of the steel pipe can be cleaned at the same time, and when the equipment is used for cleaning the steel pipe, the cleaning efficiency is high.

The invention provides a methanol fuel engine applied to the technical field of new energy cars. A hydrogen nozzle (3) of an engine body (1) of the methanol fuel engine communicates with a hydrogen storage tank (4), a methanol water solution tank (7) communicates with a methanol water steam reforming hydrogen production reactor (6), an exhaust pipe of the engine body (1) communicates with a wasteheat recycling device (5) which communicates with the methanol water steam reforming hydrogen production reactor (6), and the hydrogen storage tank (4) communicates with the methanol water steam reforming hydrogen production reactor (6). The methanol fuel engine is simple in structure, engine tail gas during engine work is used, methanol water solution online hydrogen production is achieved, the prepared hydrogen serves as fuel to be supplied to the engine to work, when the engine is started, the problem of difficult cold starting of the engine does not exist, meanwhile, engine heat efficiencycan be improved, and clean combustion is achieved.

The invention discloses a porous solid granular slow release fertilizer, and relates to the technical field of fertilizers. The slow release fertilizer comprises compound organic matter, trace elements, mixed bacteria, a degradable crosslinking agent, waxy corn starch, phosphate esterified starch, carrageenan, 45-mesh shell powder, palm fiber with a length of 650 microns, 45-mesh palygorskite powder, a compounding foaming agent and a compounding coupling agent. The slow release fertilizer has better environmental protection, water retention, slow release effect, applicability, fertilizer efficiency, soil improvement, control efficiency and yield increase. The slow release fertilizer can better meet the demands of crops and is in line with the market for novel green, environmentally friendly and multifunctional fertilizers, and has good market prospects and competitiveness.

The invention provides a driving control method and control system for an extended range electric vehicle, and belongs to the field of vehicles. The driving control method comprises the following steps of acquiring environmental information around a vehicle; judging whether the vehicle enters an area with the requirement of zero emission according to the environment information; and controlling the vehicle to enter a pure electric driving mode when the vehicle enters the area with the requirement of zero emission. The invention further provides a corresponding driving control system. The driving control method and control system can be applied to different environmental conditions.

The invention discloses a slow-release water-retention compound fertilizer composition, and relates to the technical field of fertilizer. The slow-release water-retention compound fertilizer composition is prepared from compound organic matter, microelements, compound culture, degradable cross-linking agent, waxy corn starch, phosphoric acid esterified starch, carrageenan, shell powder of 40-60 mesh, palm fiber with the length of 600-800 micrometers, palygorskite powder of 40-60 mesh, compound foaming agent and compound coupling reagent. The slow-release fertilizer has high environment friendliness, water retention, slow release, applicability, fertilizer effect, soil improvement performance, prevention and control performance and yield increase, can better meet requirements of crops, further conform to the yearn for environment-friendly and multifunctional novel fertilizer by the market and has a good market prospect and competitiveness.

The invention relates to a desizing and decolorizing complex enzyme for treating natural fiber-containing fabric and a preparation method thereof. The desizing and decolorizing complex enzyme for treating the natural fiber-containing fabric is prepared from the following components in percent by weight: 30-35% of a desizing enzyme, 13-16% of ligninase, 20-26% of neutral cellulase, 26-32% of tetrasodium ethylenediaminetetraacetate, 5-8% of a nonionic surfactant and the balance of deionized water. The preparation method of the desizing and decolorizing complex enzyme for treating the natural fiber-containing fabric comprises the following steps: weighing raw materials according to the proportions in a formula, performing staged stirring and a heating reaction, and finally adding measuring powder, uniformly mixing and rotating by using an agglomeration moulding machine to obtain the granular desizing and decolorizing complex enzyme. In the process of treating the natural fiber-containingfabric by using the desizing and decolorizing complex enzyme for treating the natural fiber-containing fabric, 2-3 washing processes are reduced, water and energy can be saved by 30-50%, mechanical wear on a denim garment is reduced, strong damage is reduced and discharge of harmful substances is reduced.

A Chinese medicine for treating thrush, impetigo and oral ulcer is prepared from 6 Chinese-medicinal materials including pearl, baked alum, alum, borneol, etc.

The invention discloses an interior wall coating and a preparation method thereof. The interior wall coating is prepared from the following raw materials in parts by weight: acrylic resin, silicone acrylic resin, modified bamboo charcoal powder, hyalophane powder, talcum powder, a styrene-acrylic emulsion, kieselguhr, ash calcium powder, a defoaming agent, a wetting dispersant, a coalescing agent, a flatting agent and an organic solvent. The preparation method comprises the steps of firstly adding the defoaming agent, the wetting dispersant, the coalescing agent, the flatting agent and other raw materials to a mixing bowl for mixing evenly to obtain a mixture; grinding the mixture through a sand mill, wherein the fineness of the ground material is smaller than or equal to 10microns; and finally pouring the ground material and remaining raw materials to the mixing bowl for stirring homogenization treatment. The interior wall coating is capable of effectively adsorbing harmful gases in indoor air, regulating the indoor humidity in real time and improving the indoor environment, and is simple in preparation, low in cost, good in paint film property and high in covering power.