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

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.

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.

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.

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.

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.

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.

The invention discloses an openable and closable chuck structure comprising a chuck body, a frame, and a chuck opening control mechanism arranged on the frame. The chuck body is arranged on the frame;external force is applied to the chuck opening control mechanism, so that the opening of the chuck body is opened; if the external force is removed, the chuck opening control mechanism is reset automatically, and the opening of the chuck body is closed. After the chuck structure provided by the application is absorbed on an object, the mechanical chuck opening control mechanism can be opened through operation; equipment with the chuck structure has better anti-toppling performance and higher impact resistance, and the chuck structure is small in occupied space and convenient in operation.

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.

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.

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.

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.