88results about How to "Expand the adsorption range" patented technology

The invention discloses a compound VOCs absorbing concentration turning wheel and a use method thereof and belongs to the technical field of absorption of organic gas. The compound VOCs absorbing concentration turning wheel is formed by coaxially equal-diameter butt-jointing a molecular sieve turning wheel and a honeycomb activated carbon turning wheel, wherein the honeycomb activated carbon turning wheel is located on a VOCs inlet side; an absorbing area, a desorption area and a cooling area are arranged on each turning wheel; an isolating ring is arranged at the butt-joint of the two turning wheels; the isolating ring is used for isolating the absorbing areas, the desorption areas and the cooling areas of the two running wheels, redistributing wind and reducing wind resistance; the molecular sieve turning wheel is acquired by attaching the VOCs adsorbent to the honeycomb turning wheel in the manner of spraying, leaching or impregnating. According to the invention, the molecular sieve turning wheel and the honeycomb activated carbon turning wheel are combined with each other, so that the absorbing scope is widened, the purifying efficiency is increased, the quality of purified gas is further ensured and the occupied space of equipment is saved.

The invention discloses an adsorbent capable absorbing a soil heavy metal. The adsorbent is characterized by being prepared by the following raw materials, by weight part: 8-15 of calcium carbonate fiber, 20-40 of tetrabutyl titanate, 3-5 of silica sol, 6-8 of calcium aluminate, 60-80 of volcanic rock, 6-9 of PA6 nylon powder, 3-4 of gelatin, 1-3 of ammonium bicarbonate, 6-7 of diatomite, 5-8 of shell powder, and a proper amount of deionized water. Shell powder and diatomite added in the adsorbent has excellent biological property, can improve soil quality, and is high in adsorption efficiency of heavy metal. The prepared adsorbent has excellent adsorption effect on various contaminants, is high in adsorption efficiency, easy to remove, and good in reuse effect, and can greatly improve the soil. The production process is simple, and the material source is wide, so that the adsorbent has great application prospects.

The invention discloses a modified sludge composite adsorbent which is characterized by being prepared from the following raw materials, by weight, 100-150 parts of sludge, 13-17 parts of corn straw, 15-24 parts of peanut shell, 10-15 parts of manganese ore powder, 30-50 parts of zinc chloride, 13-16 parts of magnesium silicate, 5-8 parts of silicon dioxide, 3-5 parts of polyvinyl alcohol, 3-5 parts of polyacrylamide, 2-4 parts of phytoncide essential oil, 6-7 parts of tourmaline powder, 4-6 parts of borax, 6-8 parts of activated alumina and a proper amount of distilled water. By interaction of the added phytoncide essential oil, tourmaline powder, borax, activated alumina, sludge and activated carbon, adsorptivity and bactericidal property of the activated carbon are enhanced. The composite adsorbent is nontoxic and pollution-free, is healthy and harmless to human body, has a good effect when used in water purification, and is beneficial to body health. The adsorbent provided by the invention is nontoxic and environmentally friendly, has advantages of simple preparation technology, wide material source, good chemical stability and high mechanical property, and is worthy of popularization.

The invention discloses a bacteriostatic deodorizing modified active carbon adsorbent which is characterized by being prepared from the following raw materials, by weight, 100-150 parts of sludge, 13-17 parts of corn straw, 15-24 parts of peanut shell, 10-15 parts of manganese ore powder, 30-50 parts of zinc chloride, 13-16 parts of magnesium silicate, 5-8 parts of silicon dioxide, 3-5 parts of polyvinyl alcohol, 3-5 parts of polyacrylamide, 3-5 parts of silver nitrate, 7-8 parts of diatomite, 2-3 parts of menthone, 4-7 parts of hydroxy nickel powder and a proper amount of distilled water. With addition of silver nitrate, diatomite, menthone and hydroxy nickel powder, bactericidal activity and adsorptivity of the adsorbent are enhanced, and smell deodorizing effect can be greatly improved. The preparation process of the adsorbent is simple; preparation cost is low; experimental operating conditions are mild; and there is no secondary pollution. The adsorbent provided by the invention is an environmentally-friendly adsorbent.

The invention relates to a water-soluble cutting fluid recovery treatment method which comprises the following steps: S1, collecting a cutting fluid; S2, removing oil stain of the cutting fluid, namely pouring off and removing sundries such as oil stain floating on the liquid level of the cutting fluid in the step S1; S3, pouring the cutting fluid; S4, filtering the cutting fluid; and S5, recovering the cutting fluid. Corresponding treatment operation of operation procedures of steps S1-S5 of the water-soluble cutting fluid recovery treatment method is completed through cooperation of a stirring bucket, a stirring motor, a stirring rod, blades, an adsorption mechanism, a sealing plate, a filtering net and a recovery bucket. By adopting the method, problems that in conventional operation that a cutting fluid is filtered, the cutting fluid is filtered in a multistage filtration mode generally, the cutting fluid is fed through filter paper of different models to achieve the purpose of removing sundries, but the filter paper can be blocked or scratched by the sundries in the cutting fluid, the cutting fluid is poor in filtration effect, and the filter paper needs to be artificially shaken frequently, can be solved.

The invention discloses an active carbon air-conditioner filter core material and a preparation method thereof. The air-conditioner filter core material comprises the following raw materials, by weight part: 100-150 of sludge, 13-17 of cornstalk, 15-24 of peanut hull, 30-50 of zinc chloride, 13-16 of magnesium silicate, 6-9 of zirconia, 2-4 of cetyltrimethylammonium bromide, 2-3 of polyvinyl alcohol, 6-8 of zirconium fluoride, 8-12 of hydrotalcite, 5-6 of meerschaum powder, and a proper amount of distilled water. Zirconium fluoride, hydrotalcite, and meerschaum powder added in the air-conditioner filter core material greatly improve bactericidal activity, thermostability, and ion exchange performance of sludge active carbon, increase the adsorption capacity and adsorption range, and enlarge the application range of the adsorbent. According to the invention, the active carbon adsorbent is simple in preparation technology, wide in raw material source, low in cost, and excellent in performance, is good in use effect when taken as the air-conditioner filter core material, is less in change frequency, and has a long service life.

The invention discloses an activated carbon adsorbent for adsorbing gasoline vapor. The activated carbon adsorbent is characterized by being prepared from the following raw materials in parts by weight: 100-150 parts of sludge, 13-17 parts of maize straw, 15-24 parts of peanut shell, 10-15 parts of manganese ore flour, 30-50 parts of zinc chloride, 13-16 parts of magnesium silicate, 5-8 parts of silicon dioxide, 3-5 parts of polyvinyl alcohol, 3-5 parts of polyacrylamide, 6-8 parts of basalt fiber, 2-4 parts of polyisobutylene succinimide, 8-11 parts of magnesium oxide and proper amount of distilled water. By adding the basalt fiber, the polyisobutylene succinimide and the magnesium oxide, the strength and the adsorption capacity of the sludge activated carbon can be enhanced, and the adsorbent has good purification and cleaning effects on gasoline; and the adsorbent prepared by the invention is high in gasoline adsorption capacity, good in desorption, high in strength, capable of effectively relieving the harm to environment and human bodies and is worthy of popularizing.

The invention discloses a fetal head aspirator, and mainly relates to the field of obstetric apparatuses. The fetal head aspirator comprises a metal conical cylinder, the wide end of the conical cylinder is provided with multiple steel wire keels in arc fixed shapes, the inner sides of the top ends of the steel wire keels are provided with silica gel beads connected with the steel wire keels in a rolling mode, the outer sides of the steel wire keels are covered with negative pressure covers, the top sides of the negative pressure covers are provided with sealing edges, the top sides of the sealing edges bend inward, the negative pressure covers and the sealing edges are silica gel film which is formed integrally, the narrow end of the conical cylinder is provided with a connecting cylinder, the inner wall of the connecting cylinder is provided with an inner valve cavity provided with a one-way air valve, the outer wall of the connecting cylinder is provided with an air pumping nozzle used for pumping air and introducing air, and the air pumping nozzle is communicated with the inner valve cavity. The fetal head aspirator has the advantages of remarkably lowering the size of arching of afterbirth, remarkably solving the problems of fetal head scalp blister, bruises, lacerations, hematoma under the skin and under the periosteum, intracranial hemorrhage and the like, effectively assisting in delivery and childbirth, and protecting the health of fetuses.

The invention discloses a permanent magnetic workbench which comprises a chassis and a plurality of first magnetic pole groups arranged at intervals on the circumference of the chassis, wherein each magnetic pole group is arranged in the radial direction of the chassis and adjustably positioned on the upper surface of the chassis; each magnetic pole group comprises a plurality of unit magnetic poles; two adjacent unit magnetic poles are magnetically isolated from each other; each unit magnetic pole comprises an outer magnetic pole, an inner magnetic pole arranged inside each outer magnetic pole and at least one magnetic source arranged inside each outer magnetic pole or each inner magnetic pole; and the inner magnetic poles can rotate inside the outer magnetic poles to ensure the magnetization and demagnetization of the unit magnetic poles. According to the permanent magnetic workbench disclosed by the invention, the size of the magnetic pole working surface is changeable so that the utilization rate and the applicability are improved.

The invention discloses IC card chip filling equipment capable of achieving uniform gluing, and belongs to the field of chip filling. The IC card chip filling equipment comprises a gluing device, a suction device and a to-be-filled plate; the gluing device comprises a supporting seat, a supporting plate, a swing mechanism and a gluing mechanism; the gluing mechanism comprises a rotating shaft, a guide wheel, a rolling ball seat, a glue dripping pipe, an adjusting plate, an adjusting block and a glue storage cavity; the suspension end of the supporting plate is connected with a rotating shaft through a bearing; the rotating shaft is sequentially provided with a motor, the adjusting plate, the glue storage cavity and the guide wheel from top to bottom; the suspension end of the adjusting plate is movably sleeved with the adjusting block; the lower end of the adjusting block is connected with the glue dripping pipe through a pin shaft; the lower end of the glue dripping pipe is provided with the rolling ball seat; and the glue storage cavity comprises an upper glue guide cavity, a lower glue guide cavity, a sealing ring, a shifting rod, a glue inlet pipe and a glue outlet pipe. Under the condition of the same glue coating amount, the filling stability of an IC card chip is improved, the accuracy of the glue coating position is guaranteed, and meanwhile the filling efficiency of the IC card chip is improved.

The invention discloses a modified volcanic rock adsorbent for processing waste water. The adsorbent is characterized by being prepared from the following raw materials, by weight part: 8-15 calcium carbonate fiber, 20-40 of tetrabutyl titanate, 3-5 of silica sol, 6-8 of calcium aluminate, 60-80 of volcanic rock, 6-9 of PA6 nylon powder, 3-4 of gelatin, 1-3 of ammonium bicarbonate, 6-9 of ZSM-5 molecular sieve, 2-4 of chrome oxide, and a proper amount of deionized water. Chrome oxide and ZSM-5 molecular sieve added in the adsorbent can effectively adsorb pollutants during a waste water processing process, have a good adsorption effect on heavy metals, and can purify water. The prepared adsorbent is large in adsorption capacity, high in adsorption efficiency, and is good in regenerability, and is liable to be desorbed. An expected effect on waste water processing can be reached, and the adsorbent has excellent economic benefits and social benefits, and is worthy of popularization.

The invention discloses an anti-pollution active carbon adsorbent, which is characterized by comprising the following raw materials, by weight part: 100-150 of sludge, 13-17 of cornstalk, 15-24 of peanut hull, 30-50 of zinc chloride, 13-16 of magnesium silicate, 6-9 of zirconia, 2-4 of cetyltrimethylammonium bromide, 2-3 of polyvinyl alcohol, 8-11 of ZSM-11 molecular sieve, 6-8 of calcium silicate, 5-6 of alumina, and a proper amount of distilled water. Raw materials, of the ZSM-11 molecular sieve, calcium silicate, and alumina, added in the adsorbent are non-toxic, high in adsorptive property, and good in interchangeability and fire resistance, and the adsorptive property of sludge active carbon is improved. The prepared adsorbent is of anti-pollution, is high in adsorption capacity, wide in adsorption range, and fast in adsorption and separation speed, and is recyclable. The adsorption process has no secondary pollution, so that the active carbon adsorbent is worthy of popularization.

The invention discloses a modified active carbon air purifier which is characterized by being prepared from the following raw materials in parts by weight: 100-150 parts of sludge, 13-17 parts of corn straws, 15-24 parts of peanut shells, 30-50 parts of zinc chloride, 13-16 parts of magnesium silicate, 6-9 parts of zirconium oxide, 2-4 parts of hexadecyl trimethyl ammonium bromide, 2-3 parts of polyvinyl alcohol, 7-11 parts of boron fibers, 1-3 parts of simethicone, 5-9 parts of polypropylene powder and a proper amount of distilled water. Under the synergistic effect of the added boron fibers, the simethicone and the polypropylene powder, the toughness, the heat resistance, the adsorbability and the intensity of the adsorbent are improved; the abrasion resistance is improved; dispersion is difficult, and the service life is long; the preparation technology is simple, stable in performance and low in cost and has potential in industrial production.

The invention discloses an active carbon adsorbent containing rare earth element. The active carbon adsorbent is characterized in that the active carbon adsorbent is prepared from the following raw materials in parts by weight: 100 to 150 parts of sludge, 13 to 17 parts of maize straws, 15 to 24 parts of peanut shells, 10 to 15 parts of manganese ore powder, 30 to 50 parts of zinc chloride, 13 to 16 parts of magnesium silicate, 5 to 8 parts of silicon dioxide, 3 to 5 parts of polyving akohol, 3 to 5 parts of polyacrylamide, 2 to 3 parts of lanthanum nitrate, 3 to 5 parts of polyester fiber, 2 to 3 parts of yttrium oxide, 3 to 5 parts of chlorine dioxide and a proper amount of distilled water. The added lanthanum nitrate, polyester fiber and yttrium oxide reinforce the adsorption capacity and the corrosion resistance of the sludge active carbon; the added chlorine dioxide is good in sterilization and antiseptic properties; the active carbon adsorbent is wide in raw materials sources, low in cost, simple in preparation process, high in adsorption capacity and worth being popularized.

The invention discloses a dedusting device with a self-rotating electrostatic plate. The dedusting device comprises a shell, a conveying pipe and a rotary shaft; an upper partition plate and a lower partition plate are arranged in the shell to divide the inner cavity of the shell into a liquid dedusting cavity, an electrostatic dedusting cavity and an exhausting cavity from bottom to top; the bottom of the left side of the shell is connected to an air inlet pipe and the air inlet pipe extends into the liquid dedusting cavity and extends below the liquid level of the liquid dedusting cavity; the conveying pipe and the rotary shaft are rotatably connected between the lower partition plate and the upper partition plate, the lower end of the conveying pipe is communicated to the liquid dedusting cavity, and the conveying pipe is connected to an arc-shaped air outlet pipe; a plurality of groups of electrostatic plates are arranged on the rotary shaft in an equally spaced manner along the length direction, a driven gear is fixed to the periphery of the upper shaft body of the rotary shaft, and the driven gear is engaged to a driving gear fixed to the periphery of the conveying pipe. By means of the action of an air flow, the electrostatic plates rotate automatically, so that the adsorption range is improved and the dedusting effect is ensured.

The invention discloses a preparation method of a bentonite adsorption material for wastewater treatment. The preparation method comprises the following steps: carrying out sodium modification on bentonite to obtain sodium bentonite, mixing the sodium bentonite with a bacterial cellulose fermentation medium, inoculating with an Acetobacter xylinum suspension, carrying out fermentation, centrifugation, washing and drying to obtain a bacterial cellulose-sodium bentonite composite material, adding the composite material to water, performing uniform mixing to obtain a composite slurry, carrying out pillaring modification treatment by using a hydroxy aluminum pillaring agent, and carrying out centrifugation and washing to obtain the bentonite adsorption material for wastewater treatment. The bentonite adsorption material obtained by the preparation method has the advantages of wide adsorption range, large adsorption capacity, convenience in wastewater treatment, and good promotion and application values.

The invention discloses an acid gas discharging device for a papermaking workshop. The device comprises an alkaline liquor box and a purification box, the upper end of the alkaline liquor box and theupper end of the purification box are both provided with an opening, the purification box is fixedly connected to the side wall of the alkaline liquor box through a supporting plate, and a first coverbody and a second cover body sleeve the openings in the upper ends of the alkaline liquor box and the purification box; a gas inlet mechanism is fixedly connected to the side, away from the purification box, of the alkaline liquor box, an L-shaped breather pipe is arranged at the inner bottom of the alkaline liquor box, and the upper end of the L-shaped breather pipe penetrates through the alkaline liquor box and is fixedly connected with the gas inlet mechanism; a drainage pipe is arranged at the inner bottom of the alkaline liquor box , an alkaline liquor spraying device is arranged insidethe alkaline liquor box, and the alkaline liquor box is communicated with the interior of the purification box through an exhaust mechanism. The acid gas discharging device is compact in structure andconvenient to operate, acid substances in waste gas can be sufficiently neutralized, the neutralized waste gas is then filtered and adsorbed, the quality of exhaust gas is improved, and the environment is prevented from being polluted.

The invention discloses an insect attractant diffusion structure of an intelligent agricultural insect trap lamp. The insect attractant diffusion structure comprises an insect trap lamp body and a temperature triggering mechanism. The insect trap lamp body is installed on the ground, the upper end of the insect trap lamp body is fixedly connected with a shell, a liquid storage chamber and a diffusion chamber are sequentially arranged in the shell from top to bottom, air outlets are formed in the inner walls of the two sides of the diffusion chamber, and the shell communicates with the insect trap lamp body through multiple communicating pipes. The temperature triggering mechanism comprises a transverse cavity, a liquid falling cavity and a square cavity, all of which are formed in the shell, the liquid falling cavity is located on the right side of the transverse cavity, and the square cavity is located below the transverse cavity. By means of the diffusion structure, the diffusion range of insect attractants can be enlarged, meanwhile, a continuous diffusion module is further arranged, insect attractants can be diffused multiple times during operation of each time, the effect is good, and the adsorption range to pests is enlarged.

The invention provides an electrostatic precipitation circulating type water film dust removing device and method. The device and the method are characterized in that the top end of a negative electrode electric needle can perform corona discharge under the negative voltage effect to locally ionize air to generate an ionic field; an ionic field area generated by the corona discharge of the top end under the negative voltage effect contains a large number of negative ions which can perform directional movement in an electric field, thus generating ionic wind. According to the device and the method, the dust can be charged through the negative ions, and moreover, the negative ions can be accelerated to impact an electropositive water film under the combined action of coulomb force and the ionic wind; the running water forms a water film which can take away the dust; meanwhile, the negative ions can break protein structures of the surfaces of bacteria and virus, thus achieving the effect of eliminating bacteria and virus; a little ozone is generated inevitably during the corona discharge of the top end, and the solubility of ozone in water is several times that of oxygen, so that the ozone dissolved in the water film can continuously eliminate bacteria and virus in the water film.

The invention discloses a sewage filter screen for adsorbing a gas soluble in water. A main body of the sewage filter screen is a steel filter screen; the steel filter screen is filled with a formaldehyde adsorbent in a production process; the formaldehyde adsorbent is prepared from the following raw materials in parts by weight: 8-15 parts of calcium carbonate fibers, 20-40 parts of tetrabutyl titanate, 3-5 parts of silica sol, 6-8 parts of calcium aluminate, 60-80 parts of volcanic, 6-9 parts of PA6 nylon powder, 3-4 parts of gelatin, 1-3 parts of ammonium bicarbonate, 10-15 parts of scindapsus aureus residue powder, 5-8 parts of coal slag and a defined amount of deionized water. The sewage filter screen for adsorbing the gas soluble in water provided by the invention is characterized in that the main body is the steel filter screen, the steel filter screen is filled with the formaldehyde adsorbent in the production process and the formaldehyde adsorbent has ultrahigh adsorption capacity and adsorption speed.

The invention discloses an environmentally friendly and energy-saving activated carbon adsorbent with long service life. The invention is characterized in that the activated carbon adsorbent is prepared from the following raw materials, by weight, 100-150 parts of sludge, 13-17 parts of corn straw, 15-24 parts of peanut shell, 10-15 parts of manganese ore powder, 30-50 parts of zinc chloride, 13-16 parts of magnesium silicate, 5-8 parts of silicon dioxide, 3-5 parts of polyvinyl alcohol, 3-5 parts of polyacrylamide, 4-6 parts of bamboo fiber, 7-9 parts of nanometer silicon powder, 8-10 parts of expanded perlite and a proper amount of distilled water. As the bamboo fiber added has natural bactericidal, bacteriostatic and anti-UV properties, the activated carbon adsorbent is nontoxic and environmentally friendly; the silicon powder added enhances adsorbability and bactericidal property; the expanded perlite added increases adsorption area and enhances heat resistance of the adsorbent. The adsorbent provided by the invention has fresh and fragrant smell, is environmentally friendly and energy-saving, has long service life, has a good adsorption effect, has high reuse efficiency and has a wide application prospect.

The invention discloses an anti-dropping strong magnetic fishing rod comprising a rod body. The side wall of the rod body is axially provided with installation grooves, and the width of the bottom of each installation groove is larger than the width of the top of each installation groove. Each installation groove is internally provided with permanent magnets, and the width of each permanent magnet is larger than the width of the top of each installation groove. One end of each installation groove is provided with an installation port, the width of the installation port is larger than or equal to the width of the bottom of the installation groove, and the length of the installation port is larger than or equal to the length of each permanent magnet. The permanent magnets of the anti-dropping strong magnetic fishing rod are mounted in the installation grooves arranged on the side wall, the width of the bottom of each installation groove is larger than the width of the top of the installation groove, and the width of each permanent magnet is larger than the width of the top of each installation groove, so that the permanent magnets are fixed in the installation grooves in an embedded manner and cannot fall off, and fixing elements cannot fall off as the fixing elements such as screws are not employed. The permanent magnets are mounted in the installation grooves or are dismounted from the installation grooves through the installation ports arranged at one ends of the installation grooves, so that the permanent magnets can be easily dismounted, and the fishing rod is convenient to assemble and maintain.

The invention relates to the technical field of moxa manufacture, in particular to a moxa manufacture and impurity screening device for intermittent magnetic rejection and dust-free processing. The technical problem to be solved by the invention is that after folium artemisiae argyi is crushed by a crushing machine, particles such as dust, impurity particles, scrap iron, etc. which cannot be crushed are generated and seriously affect the effect of moxa. In order to solve the technical problem, the invention provides the moxa manufacture and impurity screening device for intermittent magnetic rejection and dust-free processing. The moxa manufacture and impurity screening device comprises a bottom plate and an oscillating rod. A round hole is formed in the middle of the top of the bottom plate, and the two sides of the top of the bottom plate are both fixedly connected with bases. The tops of the bases are fixedly connected with magnetic rejection mechanisms, and the tops of the fronts of the two magnetic rejection mechanisms are both inlaid with rotating sleeves. The moxa manufacture and impurity screening device effectively removes the impurities and scrap iron in moxa, thereby improving the impurity screening effect. Meanwhile, the moxa manufacture and impurity screening device prevents the dust from affecting the surrounding air quality so as not to bring harm to the health of people.

The invention discloses an adsorbent capable of removing toxic substances in exhaust gas. The adsorbent is characterized by being prepared from the following raw materials, by weight part: 8-15 of calcium carbonate fiber, 20-40 of tetrabutyl titanate, 3-5 of silica sol, 6-8 of calcium aluminate, 60-80 of volcanic rock, 6-9 of PA6 nylon powder, 3-4 of gelatin, 1-3 of ammonium bicarbonate, 4-6 of montmorillonite, 6-8 of calcium chloride, and a proper amount of deionized water. Montmorillonite and calcium chloride added in the adsorbent are good in adsorbability of waste gas and high in purifying rate, and don't cause secondary pollution to environment by themselves. The prepared adsorbent has good adsorption effect on various contaminants, is high in adsorption efficiency and easy to remove, is good in reuse effect, and has bright application prospects.

The invention discloses an active carbon adsorbent with excellent dedusting sterilizing performance. The active carbon adsorbent is characterized by preparing from the following raw materials, by weight part: 100-150 of sludge, 13-17 of cornstalk, 15-24 of peanut hull, 30-50 of zinc chloride, 13-16 of magnesium silicate, 6-9 of zirconia, 2-4 of cetyltrimethylammonium bromide, 2-3 of polyvinyl alcohol, 4-7 of silver oxide, 5-7 of amorphous aluminium silicate, 3-5 of oxidized graphene, and a proper amount of distilled water. Raw materials, of silver oxide, amorphous aluminium silicate, and oxidized graphene, added in the adsorbent have a synergistic effect on one another; sterilizing activity, strength, and toughness of the sludge active carbon are greatly promoted; the specific surface area of the adsorbent is improved; and the absorbing channel is enlarged. According to the invention, the adsorbent is good in dedusting performance, sterilizing activity, anti-corrosive property, and cycle use effect; the preparation technology is simple; and the source of materials is rich, so that the adsorbent is worthy of popularization.

Disclosed is a deodorant and a preparation method thereof. The deodorant is prepared from the following raw materials in parts by weight: 55-70 parts of water, 10-20 parts of a dispersing agent, 2-6 parts of sepiolite powder, 5-10 parts of zeolite powder, 4-8 parts of activated carbon powder, 8-10 parts of alkali liquor, 15-25 parts of cyclodextrin, 2-3 parts of combined essence, 1-5 parts of alkyl quaternary ammonium salt, 3-5 parts of aluminum sulfate, 0.4-1 part of citric acid, 0.8-1 part of magnesium chloride, and 0.5-1 part of grape seed extract. A product provided by the invention has the advantages of strong deodorization performance, good deodorization effect, long deodorization action time, synergistic cooperation of physical adsorption deodorization and chemical treatment deodorization, wide deodorization range and broad-spectrum adsorbability.

The invention belongs to the field of micro-electromechanical systems (MEMS) and relates to a comb driver, in particular to a comb driver with a self-cleaning function. The driver includes a drive comb and an adsorption electrode disposed on a silicon substrate, wherein the adsorption electrode comprises at least one pair of electrodes, one electrode being grounded and the other electrode being connected to a positive or negative level signal; The adsorption electrode and the driving comb teeth are separated by an insulating groove, and the adsorption electrode and the driving comb teeth are both located inside the enclosed housing. The problem of low reliability of the comb drive due to the deposition of particles on the drive comb is solved.

The invention discloses a hollow vacuum conveyor belt for an intelligent robot tooling and a using method. The hollow vacuum conveyor belt comprises a conveyor belt body, a vacuum air channel is arranged in the conveyor belt body, and communicates with one ends of a plurality of product air channels, and a vacuum joint of the vacuum air channel is connected with a vacuum generating device througha pipeline. The invention also discloses a corresponding using method. The hollow vacuum conveyor belt can be combined with the robot tooling to replace manpower to realize the automatic and intelligent production process of medicinal rubber covers, the vacuum adsorption force and the adsorption range of the conveyor belt can be improved, and products with different shapes can be sucked and grabbed, so that the stripping process of a preformed rubber sheet from an isolation film and the demolding process of a vulcanized rubber sheet from a vulcanization mold are realized.

The invention relates to the technical field of air purification, and discloses an air purifier. The air purifier comprises a purifying box and a floor sweeping mechanism, wherein the purifying box isconnected with a connecting mechanism and connected with the floor sweeping mechanism through the connecting mechanism; a plurality of partition plates are fixedly arranged in the purifying box, andthe purifying box is sequentially divided into a negative ion cavity, a storage cavity, a discharge cavity and a water storage cavity from top to bottom through the partition plates; the side wall ofthe water storage cavity is fixedly connected with a plurality of uniformly distributed air suction pipes; and the ends, located in the water storage cavity, of the plurality of air suction pipes arejointly and fixedly connected with a connecting pipe. According to the air purifier, dust generated during floor sweeping can be immediately adsorbed and purified, the adsorption range is large, a dust filtering net cover can be automatically flushed in a reciprocating manner and is prevented from being blocked, so that the cleaning convenience is improved; meanwhile, flushing water can be repeatedly used, so that water resource waste is reduced; and negative ions can be uniformly thrown into air, so that the throwing effect of the negative ions is improved.

The invention provides a portable head position and support system for cataract blind prevention surgeries. The comprises a head position supporting and adjusting assembly, a first connecting support and an auxiliary connecting support; the head position supporting and adjusting assembly is detachably connected with an operating bed; the first connecting support is detachably connected with the operating bed through a first connecting device; and the auxiliary connecting support is detachably connected to the operating bed and located on the side, away from the head supporting and adjusting assembly, of the first connecting support. During use, the first connecting support is connected to the operating bed, then a patient lies on the operating bed, the head of the patient is supported on the head supporting and adjusting assembly (particularly the head supporting part), the head is adjusted, and after the operation requirement is met, an operation drape is placed on the first connecting support (or the first connecting support and the auxiliary connecting support), so that subsequent operations can be carried out conveniently.