137results about How to "Thorough adsorption" patented technology

The invention discloses a treatment method and system of nickel-containing wastewater conforming to Water Pollutant Table III Discharge Standard. The method comprises the following steps: sending nickel-containing wastewater into a wastewater collecting tank, and pumping into a nickel reaction tank by a water pump to perform pretreatment; regulating the pH value, adding a heavy metal capturing agent, thoroughly mixing to react, adding a coagulant aid and a flocculant, sufficiently and uniformly stirring, and standing to precipitate or sending into a solid-liquid separation device; sending into an intermediate water tank, and adding a sulfuric acid solution to regulate the pH value to 7-8; and pumping water in the intermediate water tank into a heavy metal scavenger by a filtering machine, and treating to achieve the Table III Limit Discharge Standard. The method and system solve the problem that the existing nickel-containing wastewater in electroplating industry can not satisfy the Table III Discharge Standard in Water Pollutant Special Limits, so that the electroplating nickel-containing wastewater can stably satisfy the discharge requirements.

The invention discloses a new method and a device for air purification. The device comprises an enclosure (1), a charge electrode grid (3), multi-stage adsorption accelerating grids (4-1, 4-2, 4-3 and the like), a negative ion emitter (5), an ozone decomposition unit (6), a high-frequency high-voltage power supply (2) and the like, wherein the charge electrode grid (3), the multi-stage adsorption accelerating grids (4-1, 4-2, 4-3 and the like), the negative ion emitter (5) and the ozone decomposition unit (6) are arranged in the enclosure (1). When high air quantity is needed, a fan can be arranged in front of the charge electrode grid (3) or in front of an air outlet. The device is characterized in that: in the enclosure, the (3), the (4-1, 4-2, 4-3 and the like), the (5) and the (6) are sequentially arranged in the direction from an air inlet to the air outlet. The (2) is arranged in a closed space. An electric field is arranged downwind or upwind in the direction from the charge electrode grid (3) to the negative ion emitter (5). The field intensity is of gradient. The high-frequency high-voltage power supply (2) has multi-stage voltage output. When the electric field is arranged downwind, the high-voltage '+' pole is connected with the (3), and the high-voltage '-' pole is connected with the first, second and third adsorption accelerating poles (4-1), (4-2) and (4-3) and the negative ion emitter (5) respectively. When the electric field is arranged upwind, the poles of the (2) are connected reversely, and the (5) is removed at the same time. The device has simple and reasonable integral structure, is sufficient to decompose and adsorb pollutants, generates more negative oxygen ions, and is convenient to clean.

The invention discloses a preparation method of composite titanium dioxide photocatalyst activated carbon based on g-carbon nitride. The preparation method comprises the following steps: (a) adding g-carbon nitride particles to the solution of a titanate and an alcohol, and stirring evenly to obtain a mixed solution; (b) putting the mixed solution into a high-pressure kettle for reacting, and then naturally cooling until a room temperature and collecting a reaction production, thereby obtaining g-carbon nitride particle supported titanium dioxide particles; (c) dispersing the composite titanium dioxide particles in deionized water and preparing an emulsion, and then soaking coconut shell activated carbon in the emulsion, and shaking and drying to obtain the titanium dioxide photocatalyst activated carbon having a visible light response characteristic. According to the preparation method, the prepared titanium dioxide particles have the visible light response characteristic and the mean particle size of 5-7 nanometers; besides, the activity of the particles is improved remarkably, and the particles are capable of adsorbing pollutants more efficiently and thoroughly; meanwhile, the preparation method has the characteristics of convenient operation and control, low production cost and the like.

The invention discloses soil remediation equipment and a working method of the soil remediation equipment. The equipment comprises a soil input belt conveyor, a soil output belt conveyor, a microwaveheating container, a gas pollutant removal stirring water tank and a sewage filtration adsorption box. The microwave heating container can heat and remedy soil conveyed by the soil input belt conveyorinto the microwave heating container, a plurality of soil flow guide covers in a regular cone shape and a plurality of soil flow guide covers in the shape of an inverted circular truncated cone whichare used for soil rolling and flow guiding are arranged in the microwave heating container, clean water is contained in the gas pollutant removal stirring water tank, the gas pollutant removal stirring water tank is provided with multiple stirring mechanisms in a matched mode, the inner bottom of the gas pollutant removal stirring water tank communicates with the inner top of the sewage filtration adsorption box through a Y-shaped three-way water guide pipe, and multiple filtration adsorption units are arranged inside the sewage filtration adsorption box. According to the soil remediation equipment and the working method of the soil remediation equipment, operation is convenient and fast, and soil remediation is more thorough.

The invention relates to a self-cleaning solar energy heating tube. The self-cleaning solar energy heating tube comprises a transparent tube and a flow guide tube. The lower portion of the transparent tube is sleeved with a water suction barrel in a fastened mode. The water suction barrel is covered with an annular-barrel-shaped elastic air bag made of transparent materials. A pushing ring is installed at the top of the elastic air bag. An air exhaust hole communicating with the elastic air bag is formed in the pushing ring. The transparent tube is further sleeved with a driving spring, the lower end of the driving spring is fixed to the pushing ring, and the upper end of the driving spring is limited by a ratchet tooth. A cleaning ring is further movably installed above the driving spring, and the transparent tube is sleeved with the cleaning ring. A permanent magnet ring is fixedly installed on the lower ring surface of the cleaning ring. The heating tube can periodically clean itself while collecting heat, the manual inspection period is effectively prolonged, and solar energy is used more conveniently.

The invention discloses a formaldehyde scavenging agent and a formaldehyde scavenging method thereof. The formaldehyde scavenging agent comprises a plant component A, an essential oil component B and an adsorption component C, wherein the plant component A is prepared from, by weight, 3-8 parts of Chlorophytum comosum (Thunb.) Baker, 3-9 parts of Epipremnum aureum, 3-7 parts of Hedera nepalensis var. Sinensis (Tobl.) Rehd, 2-6 parts of aloe, 1-7 parts of Agave americana L., 2-5 parts of Sansevieria trifasciata Prain and 1-8 parts of Commelina communis; the essential oil component B is prepared from, by weight, 10-20 parts of ethanol, 5-15 parts of distilled water, 3-5 parts of peppermint oil, 1-2 parts of rose essential oil and 2-3 parts of spearmint oil; the adsorption component C is prepared from, by weight, 1-3 parts of attapulgite and 3-5 parts of bentonite by means of uniform mixing. In the formaldehyde scavenging method, a formaldehyde scavenging device is used for scavenging formaldehyde circularly. The formaldehyde scavenging agent and the formaldehyde scavenging method have the advantages of good formaldehyde scavenging effect and capabilities of improving air quality after formaldehyde scavenging and accelerating formaldehyde scavenging.

The invention discloses a preparation process of an oral liquid for treating cold. The preparation process comprises the steps of extracting honeysuckle, radix lsatidis, fructus forsythiae and common andrographis herb by cooking, preparing and filtering, encapsulating, sterilizing, detecting leakage, carrying out light inspection and the like. The preparation process of the oral liquid for treating cold has the technical effects that the requirements of the production process of the oral liquid for treating cold are high and the process is fine, extracting by cooking is performed a plurality of times to realize complete extraction of the oral liquid, resin separation is carried out to obtain active ingredients having better pharmacological effects, and the oral liquid is high in purity and remarkable in treatment effect. Besides, the processes of thermal treatment, resin adsorption, centrifuging, refrigeration and the like are adopted, so that impurities can be filtered out and removed and the clarity of the oral liquid can be guaranteed; encapsulation and sterilization are carried out according to the process requirements of an injection so that the safety of the oral liquid can be guaranteed.

A disposable high-capacity electronic cigarette cartridge capable of preventing tobacco tar leakage comprises a round-tube-shaped casing (1), an axial smoke tube (3), a cigarette holder cover (2), a tobacco tar isolation rubber gasket (4) and an atomizer assembly, wherein the axial smoke tube (3) is arranged in the inner center of the casing, the cigarette holder cover (2) covers the top of the casing, vent holes (2a) are formed in the cigarette holder cover (2), the tobacco tar isolation rubber gasket (4) is arranged at the middle-upper part in the casing and mounted on the smoke tube in a sleeving manner, and the atomizer assembly is arranged at the lower end of the smoke tube; the tobacco tar isolation rubber gasket divides an inner cavity of the casing into an upper annular cavity (14) for accommodating filtration or flavoring materials and a lower tobacco tar storage cup (13) for storing tobacco tar. No tobacco tar storage cotton is used, bacterium breeding can be effectively avoided, air in the annular tobacco tar storage cup can be completely removed, the problem of tobacco tar leakage is effectively solved, the tobacco tar utilization rate is high, the smoke quantity is large, tobacco tar can be prevented from being sucked into the mouth, and the smoking experience is better.

The invention discloses an adjustable cloth feeding hairbrush device for spinning and a use method thereof. The adjustable cloth feeding hairbrush device for the spinning comprises a bottom seat, a drive roller and a driven roller, wherein vertical plates are symmetrically and fixedly connected with the upper end of the bottom seat, an adjusting device used for adjusting the position of the drivenroller is installed on the bottom seat, and a first drive device used for driving the driven shaft to rotate is installed on a double-shaft motor. The invention further provides a use method of the adjustable cloth feeding hairbrush device for the spinning. The use method of the adjustable cloth feeding hairbrush device for the spinning includes the following steps: S1, checking if all device parts on the cloth feeding hairbrush device are undamaged; and S2, enabling textile cloths to pass through space between the drive roller 3 and the driven roller 4. By arranging a telescopic rod rotatably connected with the side wall of a fixing block, adjusting the telescopic rod to separate a third tapered gear from a fourth tapered gear, and then adjusting an interval between the drive roller andthe driven roller through an adjusting air cylinder, the adjustable cloth feeding hairbrush device for the spinning can perform corresponding adjustment on the thickness of the different textile cloths, and prevents the phenomena that the textile cloths are jammed and cloth feeding effects for the textile cloths are not obvious from occurring.

The invention discloses a preparation method of superparamagnetism easily-degradable oil stain absorption material and a product obtained by the method. The preparation method comprises the following steps: adding superparamagnetism Fe3O4 nano particles in a chiosan-acetic acid aqueous solution while stirring, wherein the mass ratio of the Fe3O4 nano particles to the chiosan-acetic acid aqueous solution is 2%-4%; then dropwise adding the obtained Fe3O4-chiosan -acetic acid aqueous solution in an equivoluminal 3%-5% sodium stearate aqueous solution for full reaction; and carrying out vacuum filtering on the obtained Fe3O4-chiosan-sodium stearate compound solution when the solution is hot, collecting filter cakes and drying so as to obtain superparamagnetism chiosan-sodium stearate polymerization clusters. The polymerization cluster has good oil absorbing capability, the volume of the absorbed oil is 10-15 times of that of the compound; and the compound after the oil is absorbed can continue to float on the water surface and can directionally drift under the guidance of a magnet.

The invention relates to a preparation method of a mesoporous potamogeton pectinatus adsorption material for heavy metal ions, and belongs to the field of adsorption material preparation. According to the invention, Potamogeton pectinatus stems are taken as raw materials, and soaked in water to enable deionized water enter into inner pores of the stems, and quickly frozen by liquid nitrogen to enable water in the pores of the stems frozen, inner apertures of the stems are widened to increase porosities by using an ice splitting effect, namely the principle that water freezes to increase volume, then adsorption sites of the stems are treated by methanol to be fully exposed, the number of active groups on the surfaces of the stems and in the inner pores is further increased through composite fermentation modification of hydroxycitric acid in a garcinia cambogia extracting solution and microorganisms in biogas liquid to increase the adsorption rate of the stems, finally freeze drying is carried out to obtain the adsorption material. The method disclosed by the invention not only changes surface properties of the potamogeton pectinatus stems, but also changes the internal structures of the stems to improve adsorption properties of the stems so as to facilitate more thorough adsorption, thus the adsorption material can be thoroughly utilized, and the utilization rate of the adsorption material is increased.

The invention relates to an upwelling artificial wetland for removing nitrogen, phosphorus and antibiotics in aquaculture wastewater, designs sewage treatment equipment which is an ecological treatment device of an artificial wetland and suitable for removing combined pollutions caused by the nitrogen, the phosphorus and the antibiotics in the aquaculture wastewater, and belongs to a vertical flow artificial wetland device. According to the upwelling artificial wetland, oyster shells, waste bricks and red earth, which have strong nitrogen and phosphorus adsorption capacity and high microorganism containing quantity, and are taken as main wetland fillers; wetland plant reeds which have good pollution resistance are planted. The upwelling is taken as a hydraulic transmission mode, so that the problems of hydraulic dead zone, insufficient nitrogen removal ability, poor antibiotic interception ability and poor rainstorm impact resistance existing in the traditional operation mode are effectively solved. Meanwhile, the upwelling artificial wetland has the advantages of being low in cost, small in land occupation, simple in structure, convenient in operation management and the like.

The invention discloses VOCs adsorption equipment with a function of online measuring the concentration of VOCs, and belongs to the field of waste gas treatment. The VOCs adsorption equipment comprises adsorption equipment and a purification equipment, wherein the purification equipment comprises an air inlet pipe and an air outlet pipe, and the included angle between the air inlet pipe and the air outlet pipe is between 0 and 90 degrees; the air inlet pipe is a reducing pipe, the air outlet pipe is vertically upward, and packing auger is arranged in the air outlet pipe; and the purification equipment is filled with an organic solution. According to the VOCs adsorption equipment, VOCs and other pollutants in waste gas can be completely purified and adsorbed due to the purification equipment and adsorption equipment.

The invention discloses a system and method for simultaneous drying of a heating furnace and sulfurization of a hydrogenation catalyst. Drying of the heating furnace is synchronized with sulfurizationof the hydrogenation catalyst; drying of the heating furnace is carried out by heating the heating furnace by combustion of coke oven gas introduced into the heating furnace; and heating during sulfurization of the hydrogenation catalyst is realized by the steps that a heating medium in a medium pipeline is heated along when the heating furnace is heated, and then the heating medium with a high temperature is obtained for heating in a form of heat exchange. According to the system and method provided by the invention, the start-up time can be reduced and production efficiency can be improvedunder the condition of meeting requirements of oven drying of the heating furnace and sulfurization of the hydrogenation catalyst. In addition, the usage amount of coke oven gas is saved, and the function of reducing production cost is achieved. Moreover, sulfurization of the hydrogenation catalyst is synchronized with the oven drying of the heating furnace, so that the time for drying the hydrogenation catalyst and removing water adsorbed by the hydrogenation catalyst can be prolonged, and thus the sulfurization effect of the hydrogenation catalyst is better.

The invention belongs to the technical field of agricultural greenhouses, and specifically discloses a water self-supplying agricultural greenhouse system. The system includes an optical system disposed in the greenhouse, a water generating system disposed on one side of the optical system and a blower connected with the water generating system, wherein the optical system includes a Fresnel lens,a first concave lens disposed at the condensing point of the Fresnel lens and solar limited-frequency reflecting glass disposed under the first concave lens, and the water generating system comprisesan insulating layer, a selective absorbing coating and a moisture adsorbing layer; the moisture adsorbing layer includes a adsorbent material layer and a metal thermally conductive rod, and the insulating layer is transmissive to infrared light reflected by the solar limited-frequency reflecting glass. Through the system, gradient utilization of sunlight is realized, cleanness and environmental protection can be achieved, consumption of non-renewable energy is reduced, and meanwhile the water self-supplying function of the greenhouse can be achieved; in a water-deficient area, not only agricultural water can be provided, but also supplementing of domestic water can be achieved, so that the problem of water shortage is alleviated.

The invention discloses a deodorizer, particularly relates to an environment-friendly refrigerator deodorizer. The environment-friendly refrigerator deodorizer is characterized by being prepared from the following raw materials in part by ratio by weight: sepiolite ore concentrate powder:mordenite powder:sodium bicarbonate:bentonite:antimicrobial sanmate:orange peel powder:water=5-15:3-12:1-5:0.5-2:0.3-1.5:15-25:5-15. The deodorizer has fast deodorizing speed and good deodorizing effect by adopting the sepiolite ore concentrate powder, enables the sepiolite deodorizer to more thoroughly adsorb odor molecules because physical adsorption and polar adsorption coexist at the same time, can still keep good adsorption effect under the condition of lower concentration of odor gases contained in air and has excellent deodorizing effect, broad-spectrum adsorption and great high safety; in addition, the invention does not contain harmful substances or any chemical additive and has great high safety without irritation or toxicity and good environmental protection performance of litters.

The invention relates to aerogel-foamed rubber composite particles for sewage treatment and a preparation method of the aerogel-foamed rubber composite particles for the sewage treatment, and belongsto the technical field of water pollution treatment agents. The preparation method of the aerogel-foamed rubber composite particles for the sewage treatment in particular comprises the following steps: preparing silicon dioxide and demulsifier composite gel in advance, and then preparing rubber foamed particles, and immersing the rubber foamed particles in the composite gel, so as to make the composite gel fully enter cells, and drying in a fluidized bed and drying with supercritical carbon dioxide to obtain water-body oil stain adsorption purification particles of which the particle sizes are3 to 5mm. The aerogel-foamed rubber composite particles for the sewage treatment prepared by the invention effectively overcome the defect of difficulty in cleaning water surface due to extensive adsorption in the prior art. Furthermore, the advantage of the aerogel-foamed rubber composite particles is further reflected in that adsorbed and recovered oil stains can be squeezed to be removed due to the elasticity of foamed rubber so as to be recycled.

The invention relates to an electrostatic dust removal capsule polishing and drying device and a using method and belongs to the technical field of capsule polishing equipment. An elastic steel wire mesh is arranged in a polishing cylinder. A gap is formed between the elastic steel wire mesh and the inner wall of the polishing cylinder. Baffles which incline downwards are arranged on the inner side of the elastic steel wire mesh from outside to inside at intervals. A polishing device comprises a motor, a rotary shaft and polishing discs. The motor is arranged at the bottom of the polishing cylinder. The rotary shaft penetrates through the bottom of the polishing cylinder and extends into the polishing cylinder. The polishing discs are arranged obliquely from inside to outside. The inner ring of each polishing disc is fixedly connected with the rotary shaft. The polishing discs and the baffles are arranged alternately. A dust removal and drying device comprises an electromagnetic heating device and an electrostatic dust removal device. The electromagnetic heating device and the electrostatic dust removal device are arranged in the gap between the elastic steel wire mesh and the inner wall of the polishing cylinder in a spaced mode. According to the electrostatic dust removal capsule polishing and drying device and the using method, dust falling in the polishing process is adsorbed through the electrostatic dust removal device, and residual quantity of the dust is reduced.

The invention belongs to the technical field of CMF-TiO2-PDMS composite materials, and discloses a super-hydrophobic CMF-TiO2-PDMS composite material, and a preparation method and application thereof.The preparation method comprises the following steps: loading amorphous TiO2 on a carbonized melamine material (CMF) skeleton and carrying out high-temperature treatment to obtain crystalline CMF-TiO2; and under the action of a curing agent, subjecting polydimethylsiloxane (PDMS) to cross-linking on the surface of the CMF-TiO2 through a thermocuring method to form a film, thereby obtaining the CMF-TiO2-PDMS composite material. The super-hydrophobic CMF-TiO2-PDMS composite material can adsorb water-soluble pollutants and oil-soluble pollutants and effectively overcome the defect of poor hydrophobic stability of a traditional photo-degradation catalytic material, and also shows good durability, stability and ultraviolet oxidation resistance.

The invention discloses a ferrous metallurgy environment-friendly waste gas treatment device and relates to the technical field of environment-friendly waste gas treatment. The ferrous metallurgy environment-friendly waste gas treatment device comprises a tank, the inside of the tank is provided with a rotating shaft rotatingly connected to the upper wall of the tank, and the surface of the rotating shaft is fixedly connected with first stirring blades; the upper side of the inner wall of the tank is fixedly connected with a mounting case, inside which a driving gear and a plurality of drivengears engaged with the driving gear are arranged; waste gas at the top of the inside of the tank enters a gas tank via a communicating pipe and is sprayed out via an aerator nozzle; sprayed waste gasis in contact with absorbing solution again to achieve cyclic absorbing effects and to be thoroughly absorbed; the first stirring blades and second stirring blades rotate to fully mix the waste gas and the absorbing solution to enhance absorbing effects of the absorbing solution on the waste gas; the axis of an aeration hole is tangent to the wall of an aeration pipe so that the aeration pipe canachieve aeration in a rotating state to enlarge the aeration area.

The invention discloses environmental protection equipment for waste gas filtration, and particularly relates to the technical field of environmental protection equipment. The environmental protectionequipment comprises a box body, wherein one side of the box body is provided with a conveying pipe; one end of the conveying pipe penetrates through the box body and extends to the inside of the boxbody; the bottom of the conveying pipe positioned in the box body is communicated with a shunt pipe; the bottom of the shunt pipe is fixedly connected with shunt balls; a pressing plate is fixedly connected in the box body; the contact positions of the pressing plate and the shunt pipe are both provided with openings; dust removal liquid is also arranged in the box body; the top of the box body iscommunicated with an exhaust pipe; the bottom of the box body is communicated with a drain pipe; and one side of the box body is communicated with a water inlet pipe. According to the invention, theshunting pipe is arranged, and the shunt pipe shunts a dust-containing gas; the shunted dust-containing gas can increase the contact area with dedusting liquid and improve the adsorption and purification effect of the dedusting liquid; and the pressing plate inside the box body can prolong the residence time of the dust-containing gas in the dedusting liquid, so that the dedusting is more complete.

The invention discloses a wastewater centrifugal treatment device. The device comprises a shell body, centrifugal cylinders and an adsorption cylinder, the two sides of the top of the shell body are welded through a supporting rod and a flow spitting box which are arranged symmetrically, the bottom of the flow spitting box is equidistantly communicated with three sleeves, the inner portion of theshell body is equidistantly movably connected with the three centrifugal cylinders along the horizontal direction, the tops of the three centrifugal cylinders all penetrate through the top wall of theshell body and are correspondingly movably sleeved with the three sleeves. According to the wastewater centrifugal treatment device, firstly, centrifugal treatment can be carried out on the wastewater through the arrangement of the three centrifugal cylinders, so that solid and liquid in the wastewater can be quickly separated, and the separation efficiency of the solid and liquid is effectivelyimproved; through the arrangement of the three centrifugal cylinders, not only are the solid and the liquid separated more thoroughly, but also solid precipitation can be taken out easily, thereby being time-saving and convenient; secondly, through the staggered arrangement of activated carbon adsorption plates, the contact area of an activated carbon plate and wastewater can be effectively increased, thereby improving the adsorption efficiency, and the adsorption and treatment of the wastewater are more thorough.

An ultrafine pulverization production line sequentially comprises a coarse crusher, an ultrafine pulverizer, an ultrafine powder metal separator and a powder dryer, and the ultrafine pulverizer hangs a pulverizing device through a steel wire rope winding mode; and a feeding hopper is arranged on the ultrafine powder metal separator, a hollow stirring box is connected with the outlet end of the bottom of the feeding hopper, a drying box body is arranged on the power dryer, and the interior of the drying box body is provided with a drying cavity and a heating pipe. According to the ultrafine pulverization production line, the structure is reasonable and compact, grinding rods in a pulverizing cavity are driven to move through centrifugal movement, grinding conducted on coarse powder is more thoroughly, power is in sufficient contact with adsorption rods in the process that a stirring and adsorbing device turns and stirs the powder continuously, and the effect that magnetic metal impurities are adsorbed effectively is achieved; air inlet pipes and an air outlet hole form air circulation, a rotary shaft drives a placing groove assembly to rotate so that the air circulation can be accelerated, and thus the drying time is saved; and the ultrafine pulverization production line is good in effect and suitable for being popularized.

The invention discloses a production process of heparin sodium in porcine small intestine mucosa. The production process comprises the following steps that the intestinal mucosa is added into an enzymatic hydrolysis tank, stirring is performed for 10 minutes by adding salt and then heating is performed to reach the temperature of 40-45 DEG C, heating is stopped and stirring is performed for 10 minutes, the pH value is adjusted to 7.2-7.5 with a sodium hydroxide solution, 2709 protease is added after stirring is performed for another 10 minutes, stirring is performed for another 10 minutes andthen heating is performed to 56-58 DEG C, stirring is continued to be performed for 30 minutes and stirring is stopped and heat preservation is performed for 2 hours, temperature is raised to 85 DEG Cafter quick stirring after the heat preservation is performed for 2 hours, then heating is slowly performed to 90-92 DEG C after the temperature is raised to 85 DEG C, heat preservation is performedfor 30-60 minutes, the liquid in the enzymatic hydrolysis tank is layered, the upper layer is protein, the lower layer is a clear enzymatic hydrolysate, the protein and the enzymatic hydrolysate are separated, and the enzymatic hydrolysate is subjected to adsorption, washing, elution, precipitation and drying to obtain the crude heparin sodium. The problems that the content of protein contained inthe enzymatic hydrolysate after the enzymatic hydrolysis of small intestine mucosa is high and the liquid is cloudy in the process of extracting heparin sodium is solved.

The invention discloses a building waste classified sorting and collecting device which comprises an inclined plate and a transverse plate, wherein the inclined plate is fixedly connected to the transverse plate; a feeding hopper and a drum correspond in position and the feeding hopper is fixedly connected to the upper end surface of the transverse plate through a fixed bar; an electromagnet is arranged on the lower side of the feeding hopper; the electromagnet corresponds to the drum in position, and a sliding plate is vertically arranged on the side, far from the drum, of the electromagnet;the electromagnet is fixedly connected to the sliding plate through a connecting rod; the side wall, close to the drum, of the sliding plate is fixedly connected to a first conducting block; a secondconducting block is arranged on the side, close to the drum, of the first conducting block; the second conducting block is fixedly connected to the upper end surface of the transverse plate through anelastic limiting mechanism; and a second driving mechanism which drives the sliding plate to slide is fixedly connected to the upper end surface of the transverse plate. The building waste classifiedsorting and collecting device disclosed by the invention is reasonable in structure, can separate iron from building waste quickly, and is convenient to recycle the building waste.

The invention relates to a nicotine adsorbent and a preparation method thereof. The nicotine adsorbent is prepared by mixing mordenite raw powder and attapulgite powder in proportion and granulating the mixture. The preparation method comprises steps as follows: mixing of powdery materials: the mordenite raw powder and the attapulgite powder are uniformly added to a stirrer in the weight ratio being 4: (1-1.5) and stirred and mixed for 1.5-2.5 hours in the mixing stirrer; forming and granulation: a plurality of seeds are put in a granulator, the powdery materials are continuously added to the granulator, meanwhile, water mist is sprayed, the seeds grow to be adsorbent granules, and when the adsorbent granules reach predetermined specifications, the granules roll out of a discharge port of the granulator and conveyed to a vibrating sieving machine to be sieved; the water consumption in the whole forming and granulating processes doesn't exceed 35% of the weight of the powdery materials. The nicotine adsorbent has high nicotine adsorption capability, adsorption speed, saturated adsorbing capacity and adsorption rate and can realize thorough adsorption; the preparation method of the adsorbent is simple, convenient and low in production cost.

The invention discloses an active air inducing type zeolite adsorption multi-stage composite waste gas treatment machine. The waste gas treatment machine comprises a box body, a first adsorption mechanism, a second adsorption mechanism and a limiting mechanism, wherein an air inducing pipe is arranged at an opening in the left side of the box body, an exhaust pipe is arranged at an opening in the right side of the box body, a support is arranged at the inner left end of the box body, a motor is installed in the support, an output shaft of the motor is rotationally connected with a round hole formed in the center of the left side of the support, fan blades are arranged at an end, and the input end of the motor is electrically connected with the output end of an external control switch; and the first adsorption mechanism is slidably connected to the interior of a U-shaped sliding groove plate arranged at the inner right end of the box body, and a cover plate is installed at the upper end of the adsorption mechanism. According to the active air inducing type zeolite adsorption multi-stage composite waste gas treatment machine, particulate matters in waste gas can be filtered firstly, and then multi-stage adsorption can be conducted on the waste gas, so adsorption is more thorough, and waste gas treatment effect is better.

This clinical oral foreign matter adsorption device for dental restoration comprises a handle; a rotating groove is formed in the top of the handle, a cleaning rod is rotatably connected into the rotating groove, a plurality of cleaning brushes are arranged on the upper circumference and the top of the cleaning rod, and a rotating rod is fixedly connected to the bottom end of the cleaning rod. Inthe present invention, the cleaning brushes rotate back and forth for cleaning; the residual foreign matters around the repaired tooth body can be quickly cleaned; a micro adsorption pump is immediately matched with an adsorption hose and an adsorption opening, so foreign matters cleaned by the cleaning brushes in the oral cavity can be adsorbed, and the oral cavity is cleaned more thoroughly; andfinally, foreign matters can be removed in time after dental restoration by utilizing the cooperation of the cleaning of the cleaning brushes and the adsorption of the micro adsorption pump, so thatthe cleaning efficiency of the residual foreign matters in the oral cavity is improved, and the oral cavity is cleaned more thoroughly; the size of the device is small and exquisite, and the operationand the use by people are facilitated.

The invention provides a high-efficiency slicer, and belongs to the technical field of machinery. The technical problems of too low clamping efficiency, low replacement and cutting efficiency of an existing slicer are solved. The high-efficiency slicer comprises a rack which is provided with a lead wheel I and a lead wheel II which are fixed to the rack in the form of circumferential rotation and axial arrangement and are parallel to each other, and the high-efficiency slicer is characterized in that the lead wheel I is driven by a micromotor I; the lead wheel II is driven by a micromotor II; and a lifting platform is arranged above the lead wheel I and the lead wheel II, and fixedly provided with a clamping block of which the lower part is provided with a plurality of clamping ports. The high-efficiency slicer has the advantages of quick replacement of silicon ingots and high cutting efficiency for the silicon ingots.

The invention discloses a reverse osmosis seawater desalination pretreatment device which specifically comprises a treatment box, a cleaning device and a control space, wherein a rough filtration space, an adsorption space, a fine filtration space and a discharge space are sequentially arranged in the treatment box, arc-shaped filter screens are arranged in the rough filtration space and the fine filtration space, and an adsorption device is arranged in the adsorption space; the cleaning device is arranged in the fine filtration space, and one side of the cleaning device is tightly attached to the arc-shaped filter screen in the fine filtration space; and the control space is arranged in the center of the interior of the treatment box, and the inner wall of the control space is fixedly connected with a positioning plate. The invention relates to the technical field of seawater desalination. According to the reverse osmosis seawater desalination pretreatment device, adsorption treatment is more thorough, adsorption dead angles can be avoided, a reverse osmosis assembly can be protected conveniently, a cleaning brush can be driven through water pressure to achieve automatic cleaning of the filter screen, manpower is saved, normal work is not affected by cleaning, and the efficiency is high.