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31results about How to "Does not affect adsorption capacity" patented technology

Calcium-based CO2 adsorbent and preparing method thereof

The invention discloses calcium-based CO2 adsorbent.The calcium-based CO2 adsorbent is spherical particles with the diameter of 0.3-3.5 mm and are prepared from an alga raw material and a calcium-based raw material which are mixed uniformly by the mass ratio of 0.001:1-0.03:1.The calcium-based raw material is one or more of calcium hydroxide, calcium carbonate or slaked lime.The invention further discloses a preparing method of the calcium-based CO2 adsorbent.0.1-3% of the alga raw material is doped in the calcium-based raw material, a pelleting method is optimized, cycling stability of the calcium-based CO2 adsorbent is improved, and the preparing method is simple and suitable for mass production.
Owner:HUAZHONG UNIV OF SCI & TECH

High-ignition-point granular active carbon and preparation method thereof

The invention provides high-ignition-point granular active carbon and a preparation method thereof. Wood flour is oven-dried, and is mixed with an activating agent solution and a high-ignition-point modifying agent according to a certain proportion; an obtained mixture is plasticized at certain temperature, shaped and oven-dried. A material is subjected to slow temperature rise to an activation temperature in an activation reactor; heat preservation is carried out for a certain time; after the activation is completed, an activating agent is recycled through washing; a high-ignition-point granular active carbon product is obtained after the material is oven-dried. The active carbon prepared by the preparation method is good in fireproofing performance; a granule is high in strength; the adsorptive power is high; the high-ignition-point granular active carbon is suitable for industrialized production.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Method for recovering cobalt in cobalt chloride wastewater based on two-stage resin separation

The invention discloses a method for recovering cobalt in cobalt chloride wastewater based on two-stage resin separation, and belongs to the technical field of water treatment. According to the method, organic matters and metal impurities in the cobalt chloride wastewater are removed through a two-stage resin adsorption process, so that the purpose of deeply purifying the cobalt chloride solution is achieved. The method comprises the following specific steps: (1) filtering wastewater through a filtering device to remove fine particles and colloidal substances; (2) introducing effluent in the step (1) into a first-stage resin adsorption tower, and removing organic matters in the wastewater; (3) introducing primary resin effluent in the step (2) into a secondary resin adsorption tower, and removing metal ions in the wastewater; and (4) after the resin in the steps (2) and (3) is saturated by adsorption, carrying out regeneration treatment. The continuous and recycling treatment of the cobalt chloride solution and the desorption solution is realized, the treatment cost is reduced, and the treatment effect is enhanced by utilizing hydraulic power.
Owner:江苏国创新材料研究中心有限公司

Preparation method of organic fertilizer for reducing heavy metal lead in soil

The invention discloses a preparation method of organic fertilizer for reducing heavy metal lead in soil. The selected wheat straw, dracocephalum moldavica and pennisetum hydridum are high in yield and low in price, can provide a large quantity of plant fibers and can effectively immobilize soil nutrients; secondarily, the wheat straw, dracocephalum moldavica and pennisetum hydridum are mixed withEM bacteria and barnyard manure to form nutrients easy to absorb by plants with an anaerobic fermentation method, and the yield of crops can be greatly increased; thirdly, zeolite, fly ash, coal cinder and kaolin are matched with one another and can effectively adsorb metal lead in soil to reduce the content of lead in the soil.
Owner:林良兵

Special purification column for aflatoxin M group and application

The invention belongs to the field of milk and milk product quality safety detection, and particularly discloses a special purification column for an aflatoxin M group and an application. The specialpurification column comprises a column pipe; a lower sieve plate, a filler and an upper sieve plate are sequentially arranged in the column pipe from the liquid outlet end of the column pipe to the liquid inlet end of the column pipe; and the filler is a mixture of graphitized carbon and nano ferroferric oxide. The invention also discloses an application of the special purification column to the purification and detection of the aflatoxin M group in milk and milk products. The special purification column for the aflatoxin M group is simple and convenient to manufacture and low in cost, is applied to the detection of the milk and milk products, can simplify operation and shorten detection time, can specifically adsorb AFM1 and AFM2, and has excellent adsorption effect; impurities in sampleintroduction are greatly reduced after being purified by the special purification column; and the special purification column has extremely strong practical popularization significance.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Buffer plate convenient for sucker to pick in a suction manner and glass transfer package

The invention belongs to the field of package and relates to a buffer plate convenient for a sucker to pick in a suction manner and a glass transfer package. The buffer plate comprises a base material and surface lines projected out of the base material, and is divided into a suction area and a non-suction area, the surface lines of the suction area have closed-hole structures, and the surface lines of the non-suction area have open-hole structures which are partially or completely designed for avoiding negative pressure. The liquid-crystal glass transfer package utilizes the buffer plate in the novel structure, the surface of the suction area still has the closed surface-line structure which does not affect the suction capacity of the sucker, when holes of the surface lines of the non-suction area are completely or partially opened, air flow among external air, the buffer plate and a glass plate is smooth by the aid of the open-hole structures, and accordingly, vacuum suction between the buffer plate and the glass plate is avoided, the buffer plate can be picked up easily and smoothly, the problems of adhesion and damage of the buffer plate are solved well and plate picking time is greatly saved.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Shading device for greenhouse and using method thereof

The invention discloses a shading device for a greenhouse and a using method thereof, and belongs to the field of greenhouses. According to the shading device, a reflector is arranged to block solar rays, the temperature in the greenhouse at noon can be reduced, plants are prevented from withering and even dying due to a large amount of water loss, and an elastic shell is expanded by a large amount of heat generated by perpendicular incidence of the solar rays at noon, so that the horizontal plane is raised, and dynamic balance weight balls move upwards. Meanwhile, memory metal sheets are deformed by heat so as to open openings in a magnetism isolating cover to allow magnetic induction lines to pass through, so that magnet balls generate upward attraction force on magnetic lifting ropes, and the reflector is gradually rotated from a vertical state to a horizontal state under the driving action of upward floating of the dynamic balance weight balls so as to block light rays; After sunlight deviates, along with heat dissipation, the magnetism isolating cover is closed, so that the magnet ball loses the adsorption effect on the magnetic lifting rope, the reflector is pulled back intothe containing groove under the gravity effect of the dynamic balance weight ball, and normal photosynthesis of plants is guaranteed.
Owner:王威朝

Use method of molecular sieve combination in waste gas purification and molecular sieve combination

The invention discloses a use method of a molecular sieve combination in waste gas purification and a molecular sieve combination. The molecular sieve combination comprises a porous structure carrierand a plurality of molecular sieve material layers. The pore space of the molecular sieve combination endows the molecular sieve combination with a first specific surface area, and the use method includes: when the plurality of molecular sieve material layers attached to the porous structure carrier reach adsorption saturation, coating the surface of the molecular sieve combination with a new molecular sieve material layer, measuring a second specific surface area endowed by the pore space of the molecular sieve combination at the moment, further conducting purification adsorption on waste gas, and repeating the adsorption and coating steps, when the ratio of the second specific surface area to the first specific surface area reaches a preset value, stopping coating new molecular sieve material layer, and conducting molecular sieve desorption treatment. The invention also provides the molecular sieve combination used in the method. The method provided by the invention can greatly simplify the operation and save energy sources without affecting the adsorption capacity basically.
Owner:JIANGSU SUJING GROUP

Preparation method of nano soil remediation conditioner

Theinvention discloses a preparation method of a nano soil remediation conditioner. The preparation method disclosed by the invention has the beneficial effects that 1, wheat stalks, barley stalks, teosinte and pennisetum hydridum are selected, the yield is high, and the cost is low; meanwhile, a large amount of plant fiber can be provided, and soil nutrients can be effectively fixed; 2, mixing the wheat stalks, the barley stalks, the teosinte and the pennisetum hydridum with EM (Effective Microorganisms) bacteria and barnyard manure, nutrients which can be easily absorbed by plants can be formed by adopting an anaerobic fermentation method, and the yield of crops can be greatly increased; 3, zeolite, pulverized fuel ash, coal cinder and kaolin are mutually matched, so that metal cadmium in soil can be effectively adsorbed, and an effect of reducing thecontent of cadmium in the soil can be further achieved.
Owner:林良兵

Display screen

InactiveCN106530983AAvoid Dimension Exceeded ErrorsDoes not affect adsorption capacityIdentification meansElectricity
The invention relates to a display screen which comprises a tank, a display module, a system card and a power assembly. The display module is assembled on the tank, the power assembly is attached on the tank, the tank is provided with a plurality of first sucking components, the display module comprises a display panel and a driving panel, the driving panel is connected with the display panel and is provided with a plurality of second sucking components, the various second sucking components are in one-to-one correspondence with the first sucking components, and sucking force can be generated when the second sucking components and the first sucking components are close to each other, so that the driving panel can be fixed onto the tank. The driving panel can be electrically driven by the system card, so that external input data can be received and can be transmitted to the driving panel. The display screen has the advantages that the driving panel is mounted on the tank by the aid of the second sucking components matched with the first sucking components, accordingly, mounting plates can be omitted, components can be reduced, and the structure of the display screen can be simplified; the distance from the driving panel to the tank can be shortened, accordingly, the volume of the display screen can be reduced to a great extent, and the display screen is simple in structure and convenient to mount and maintain.
Owner:SHENZHEN EASTAR ELECTRONICS

A kind of granular activated carbon with high ignition point and preparation method thereof

The invention provides high-ignition-point granular active carbon and a preparation method thereof. Wood flour is oven-dried, and is mixed with an activating agent solution and a high-ignition-point modifying agent according to a certain proportion; an obtained mixture is plasticized at certain temperature, shaped and oven-dried. A material is subjected to slow temperature rise to an activation temperature in an activation reactor; heat preservation is carried out for a certain time; after the activation is completed, an activating agent is recycled through washing; a high-ignition-point granular active carbon product is obtained after the material is oven-dried. The active carbon prepared by the preparation method is good in fireproofing performance; a granule is high in strength; the adsorptive power is high; the high-ignition-point granular active carbon is suitable for industrialized production.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Liquid-tight vacuum chuck and its adsorption method

The invention relates to a vacuum suction cup based on liquid sealing and an adsorption method thereof, belonging to the technical field of vacuum suction cups. Including the suction cup body, the suction surface of the suction cup body is provided with at least two layers of sealing rings, and there is a gap between adjacent sealing rings; the suction cup body is provided with a liquid storage chamber, and a device connecting the liquid storage chamber to the adjacent sealing rings Gap channel. By setting up multi-layer sealing rings, absorbing them, passing liquid between adjacent sealing rings, using the fluidity and viscosity of the liquid to fill the small gaps that cannot be completely covered by the sealing rings, the sealing performance of the suction cup is greatly improved. . Can greatly improve the adsorption capacity and adsorption stability, less energy consumption. Moreover, the overall installation of the suction cup is convenient and occupies a small volume.
Owner:ZHEJIANG UNIV

Method for using molecular sieve assembly in purifying exhaust gas and molecular sieve assembly

The invention discloses a method for using a molecular sieve assembly in purifying exhaust gas and the molecular sieve assembly. The molecular sieve assembly includes a porous structure carrier and several layers of molecular sieve material layers. The pore space of the molecular sieve assembly makes it have a first specific surface area , the method of use includes: when several layers of molecular sieve material layers attached to the porous structure carrier reach the adsorption saturation, by coating a new layer of molecular sieve material on the surface of the molecular sieve assembly, it is measured that the molecular sieve assembly has The pore space makes it have the second specific surface area, continue to purify and adsorb the exhaust gas, repeat the adsorption and coating steps, and when the ratio of the second specific surface area to the first specific surface area reaches the preset value, no new coating will be applied. The molecular sieve material layer is used for desorption treatment of the molecular sieve; the molecular sieve assembly used in the above method; the present invention can greatly simplify the operation and save energy without substantially affecting the adsorption capacity.
Owner:JIANGSU SUJING GROUP

Discharge plate structure and air purifier single high-voltage electric field module

The invention discloses a discharge plate structure and an air purifier single high-voltage electric field module. The discharge plate structure comprises a discharge plate and a plurality of discharge teeth; the discharge plate comprises at least one discharge plate bending part and at least one discharge plate surface which are connected along the air inlet direction; and the discharge teeth arearranged on the discharge plate bending part. The single high-voltage electric field module of the air purifier comprises a support and an adsorption plate, and the discharge plate and the adsorptionplate are oppositely arranged and are parallel to each other. The discharge plate structure and the air purifier single high-voltage electric field module provided by the invention are simple in structure and low in material consumption; and during use, the required power is low, the energy consumption is low, and the adsorption effect is good.
Owner:佛山市力之霸环保科技有限公司

Preparation method of sodium ferrocyanide zinc deammonization material and its application in deammonization of sewage

ActiveCN107486131BAdsorption capacity does not affectThe adsorption capacity has no obvious attenuationOther chemical processesWater contaminantsSodium cyanideAdsorption selectivity
The invention provides a preparation method of an ammonium removing material of ferrous zinc sodium cyanide deammonium material and application of the deammonium material to sewage ammonium removal and belongs to the technical field of the sewage ammonium removal. A chemical formula of the ferrous zinc sodium cyanide is Na2ZnFe(CN)6; the preparation method of the material comprises the following steps: preparing a zinc salt solution and a ferrous sodium cyanide solution respectively; adding a certain mass of sodium chloride into the ferrous sodium cyanide solution to completely dissolve the sodium chloride into the ferrous sodium cyanide solution, so as to obtain a ferrous sodium cyanide and sodium chloride mixed solution; gradually dropwise adding the zinc salt solution into the mixed solution; carrying out magnetic stirring while dropwise adding the zinc salt solution; after dropwise adding the zinc salt solution, continually stirring to obtain white suspension liquid; standing and precipitating; centrifuging and separating to obtain white solids; repeatedly washing the white solids with de-ionized water to remove impurities; drying to obtain the ammonium removing material Na2ZnFe(CN). The ammonium removing material provided by the invention has the advantages of large ammonium ion adsorption capability, high adsorption selectivity, low production cost and stable performance.
Owner:TIANJIN BISHUIYUAN MEMBRANE MATERIAL CO LTD

Magnetic powder inspection contrast intensifier and method for preparing the same

A magnetic particle flaw detection contrast enhancer and a preparation method thereof, the components of which include: titanium dioxide: 2-6%, zinc oxide powder: 3-8%, fluorescent whitening agent: 2-6%, polyvinyl acetal: 1 ~4%, butanol: 22~40%, methyl ethyl ketone: 36~70%. The magnetic particle flaw detection contrast enhancer of the present invention has white color, thin film formation, uniform leveling, strong penetration, does not affect the leakage magnetic field adsorption force, is easy to clean afterwards, and has obvious enhancement effect on magnetic particle flaw detection after use.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

A track metal foreign body cleaning device

The invention relates to the field of rail transit equipment, in particular to a rail metal foreign-matter cleaning device. The rail metal foreign-matter cleaning device comprises a shell, a second surrounding mechanism, a first cleaning mechanism, a second cleaning mechanism, a collecting mechanism and a film laminating mechanism. The first surrounding mechanism and the second surrounding mechanism are coaxially and fixedly arranged in the shell. The two ends of the first cleaning mechanism and the two ends of the second cleaning mechanism are coaxially and slidably arranged on the first surrounding mechanism and the second surrounding mechanism correspondingly. The first cleaning mechanism and the second cleaning mechanism are located on the same vertical plane. The bottom end cleaning device penetrates through the bottom end of the shell; the collecting mechanism is coaxially arranged between the first cleaning mechanism and the second cleaning mechanism; one end of the collecting mechanism is fixedly connected with the interior of the shell, the film laminating mechanism is arranged above the top end cleaning device, and the film laminating end of the film laminating mechanismfaces the top end cleaning device. The rail metal foreign-matter cleaning device can remove metal foreign matter on the surface of a rail in time in the advancing process of a vehicle body and can collect the metal foreign matter to facilitate subsequent treatment.
Owner:绍兴百丽恒印染有限公司

Multi-suction-nozzle device

The invention discloses a suction nozzle device. The suction nozzle device comprises n suction nozzle units, an air source, a suction nozzle pipeline and a power source, wherein n is equal to or larger than 2. The air source is connected with the suction nozzle units through the suction nozzle pipeline; each suction nozzle unit comprises a suction nozzle, an electromagnetic valve, a hose and a switch element; one end of each switch element is electrically connected with the power source, and the other end of each switch element is electrically connected with the power source end of the corresponding electromagnetic valve; the suction nozzles are connected with the electromagnetic valves through the hoses, and the electromagnetic valves are connected with the air source through the suction nozzle pipeline; and the suction nozzles are vacuum corrugated suction nozzles, and the switch elements are arranged on corrugations of the suction nozzles. The upper corrugations and the lower corrugations come into contact to press the switch elements, and the electromagnetic valves are controlled to be powered on and powered off.
Owner:KUNDA COMP TECHKUSN +1

Suction cup capable of moving and climbing over obstacles

The invention discloses a suction cup capable of moving and climbing over obstacles, and belongs to the field of suction cups. The suction cup comprises a suction cup main body, an annular groove is formed in the position, close to the edge position, of the bottom end face of the suction cup main body, a vacuum sealing element is arranged inside the annular groove, the vacuum sealing element and the bottom end face of the suction cup main body are fixedly connected to a film, a suspension vacuumizing assembly is fixedly connected to the center of the top end face of the suction cup main body and comprises a guide column, the bottom end of the guide column is fixedly connected to the suction cup main body through a lower connecting piece, a vacuumizing connector is fixedly connected to the top end of the guide column, an upper connecting piece is movably connected to the position, close to the top end, of the outer side face of the guide column, a spring column is fixedly connected between the lower connecting piece and the upper connecting piece, and the outer side face of the guide column is sleeved with the spring column. By arranging a series of structures, the suction cup can conveniently move and climb over, and the suction cup can conveniently climb over the obstacle in the moving process.
Owner:支点高空深圳科技有限公司

Rail metal foreign matter cleaning device

The invention relates to the field of rail transit equipment, in particular to a rail metal foreign-matter cleaning device. The rail metal foreign-matter cleaning device comprises a shell, a second surrounding mechanism, a first cleaning mechanism, a second cleaning mechanism, a collecting mechanism and a film laminating mechanism. The first surrounding mechanism and the second surrounding mechanism are coaxially and fixedly arranged in the shell. The two ends of the first cleaning mechanism and the two ends of the second cleaning mechanism are coaxially and slidably arranged on the first surrounding mechanism and the second surrounding mechanism correspondingly. The first cleaning mechanism and the second cleaning mechanism are located on the same vertical plane. The bottom end cleaning device penetrates through the bottom end of the shell; the collecting mechanism is coaxially arranged between the first cleaning mechanism and the second cleaning mechanism; one end of the collecting mechanism is fixedly connected with the interior of the shell, the film laminating mechanism is arranged above the top end cleaning device, and the film laminating end of the film laminating mechanismfaces the top end cleaning device. The rail metal foreign-matter cleaning device can remove metal foreign matter on the surface of a rail in time in the advancing process of a vehicle body and can collect the metal foreign matter to facilitate subsequent treatment.
Owner:绍兴百丽恒印染有限公司

Biological fluidized bed carrier

The invention discloses a biological fluidized bed carrier. The biological fluidized bed carrier is composed of a plurality of granular activated carbons and a magnetic layer wrapping the granular activated carbons. According to the biological fluidized bed carrier, a MnFe<2>O<4> magnetic nano particle layer is wrapped the surfaces of the granular activated carbons, the MnFe<2>O<4> magnetic nano particle layer enables the carrier to generate a magnetic field, the magnetic field does not affect the adsorption abilities of the granular activated carbons to microorganisms in sewage, at the same time, the degradation rate of the carrier to phenolic substances in the sewage can be further increased, the biodegradation abilities of the microorganisms adsorbed by the granular activated carbons are improved, and the adsorption and separation functions of organic matter in the sewage of MnFe<2>O<4> magnetic nano particles matched with the granular activated carbons can greatly improve the purification ability of a biological fluidized bed to the sewage and improve the degradation efficiency.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Moving bed denitrification filter tank

The invention relates to the field of sewage denitrification filtration treatment, in particular to a moving bed denitrification filter tank, comprising a filter tank shell, a supporting mechanism, awater inlet mechanism, an observation window, a drainage mechanism, a circulation mechanism, a backwashing mechanism, a filtering mechanism and a dispensing mechanism, wherein the filtering mechanismfor filtering denitrification is arranged at the bottom of the inner cavity of the filter tank shell, and the dispensing mechanism for dispensing a filter material is arranged in the inner cavity of the filter tank shell positioned between the filtering mechanism and the water inlet mechanism; the drainage mechanism for draining clean water is connected with the bottom of the filter tank shell, and the observation window for observing the distribution situation of the filter material inside the filter tank shell is arranged on the side wall of the filter tank shell; the backwashing mechanism for performing backwashing denitrification on the circulating filter material is connected between the drainage mechanism and the filter tank shell. The moving bed denitrification filter tank providedby the invention can cyclically backwash the filter material in the tank, and reduce the difficulty in backwashing the filter material.
Owner:兰凤

A new type of intelligent cleaning robot and its control method

The invention discloses a novel intelligent cleaning robot and a control method thereof and belongs to the field of cleaning equipment. The novel intelligent cleaning robot is characterized in that a walking and climbing mechanism and an identifying and obstacle-avoiding module are arranged on a robot body; the walking and climbing mechanism comprises a wheel shaft, and spoke piece wheels are arranged at the two ends of the wheel shaft; each spoke piece wheel comprises an outer spoke piece wheel body and an inner spoke piece wheel body, wherein a spoke piece of the outer spoke piece wheel body and a spoke piece of the inner spoke piece wheel body can coincide with each other and separate from each other, and a first photoelectric sensor is arranged on the spoke piece of the outer spoke piece wheel body or on the spoke piece of the inner spoke piece wheel body. According to the novel intelligent cleaning robot, a control system monitors and identifies signals of the identifying and obstacle-avoiding module and the first photoelectric sensors in real time to control the inner spoke piece wheel body and the outer spoke piece wheel body to coincide with each other and separate from each other, then conversion between a climbing state and a rolling state of the spoke piece wheels can be achieved, and therefore the robot can be applied to ground conditions with slopes and steps; meanwhile, identification and obstacle avoidance of different ground conditions are achieved through the identifying and obstacle-avoiding module, and therefore safety in operation of the robot is improved.
Owner:SHANDONG UNIV OF TECH

Novel energy-saving automatic cleaning machine of swimming pool

The invention relates to a cleaning device, in particular to a swimming pool automatic cleaner. The cleaner comprises an underwater cleaner fixed on the bottom surface of the machine shell by the connection of a double-motor assembly and a centrifugal pump; the centrifugal pump consists of a four-blade cambered impeller, a water inlet box and a water outlet elbow; a water outlet of a filter box of a filter is connected with a water inlet of the water inlet box, and a filter net is sleeved with a filtering bag; a transmission climbing system is connected with both sides of the machine shell by a support base, and a driving wheel of the transmission climbing system is connected with a driving shaft of the double-motor assembly by a driven wheel; an end wheel of a roller, the driving wheel and a support wheel are supported on the support base, and a synchronous belt is tightly wound around the driving wheel, the support wheel, the end wheel of the roller and the bottom surface of the support base; a cleaning roller is fixedly connected with the end wheel of the roller; and a cover of the machine shell covers the water outlet elbow, and is connected with the machine shell by a sealing strip and firmly locked on the water outlet elbow by a lock nut. The cleaning device has the advantages of improving the work efficiency of a pump, avoiding the secondary pollution and effectively lowering energy consumption.
Owner:TIANJIN WANGYUAN ENVIRONMENTAL PROTECTION & TECH CO LTD

Nanometer inorganic carbonized wood preparation method, nanometer inorganic carbonized wood products and application of nanometer inorganic carbonized wood

The invention relates to a nanometer inorganic carbonized wood preparation method, nanometer inorganic carbonized wood products and application of nanometer inorganic carbonized wood, belongs to the technical field of wood processing, and aims to solve technical problems of low strength and hardness of the existing carbonized wood. The nanometer inorganic carbonized wood preparation method includes performing deep carbonizing treatment on absolute dry wood panels at the temperature of 195 DEG C to 220 DEG C, and cooling to perform humidifying and heat insulating treatment to enable moisture content of the carbonized wood to reach a fiber saturation point; and then placing the humid carbonized wood into inorganic nanometer additive to be inorganically nanocrystallized so as to acquire the nanometer inorganic carbonized wood. The nanometer inorganic carbonized wood preparation method has the advantages that the method is simple in technique conditions and easy to operate, the strength and hardness of the acquired products are high, the carbonized wood performance is acquired, and adsorbability, fire resistance, non corrosibility and dewatering performance to harmful gas are better and air shrinkage bulking factor is low. The nanometer inorganic carbonized wood can be further used for wood components like floors.
Owner:ZHEJIANG GUOZHEN FURNITURE

Contrast enhancer

The invention discloses a contrast enhancer which comprises the following components in percentage by weight: 15-20 parts of a mixture of titanium dioxide, magnesium oxide and zinc oxide powder, 3-5 parts of a fluorescent whitening agent, 75-80 parts of a volatile solvent, 0.5-2 parts of a mixture of ethyl cellulose ether and rosin resin, and 30-50 parts of a T-306 environment-friendly solvent. The contrast enhancer provided by the invention is used for magnetic powder inspection, can be used for enhancing the contrast ratio when a workpiece cannot obtain a good background due to corrosion, is thin and uniform in spraying, is dry after being sprayed, can effectively provide a good background contrast ratio, is pure white in color and luster and thin in formed film, has the thickness of less than 1 micron, does not affect the adsorption force of a leakage magnetic field, is uniform in leveling and strong in seepage adhesion force, cannot form overhead so as to improve flaw detection sensitivity, is easy to clear, and cannot pollute the environment.
Owner:WUJIANG HYPERD NDT MATERIAL
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