59results about How to "Solve technical problems of pollution" patented technology

The invention relates to a method for refilling ink to an ink box, comprising the following steps: 1, sealing an ink filling opening of the ink box with an ink supply opening of an ink storage container of an ink filling tool incompletely filled with ink in a sealing way, sealing a suction unit with the ink storage container of the ink filling tool and sealing the ink box; 2, sucking air inside the ink storage container of the ink filling tool with the suction unit; and 3, releasing the suction unit, wherein the ink box automatically absorbs ink in the ink storage container of the ink filling tool as a result of air pressure balance. As air in the ink box is absorbed based on the air pressure principle, and the absorbed pressure is cancelled to press ink in the ink storage container inside the ink box based on the air pressure principle, residual ink in the ink box is not needed and the whole process is carried out under a sealing state, thereby solving the technical problems of ink waste and environmental pollution caused by sucking residual ink inside the ink box by the prior ink refilling method. The invention also provides an ink filling tool used in the method.

The embodiment of the invention discloses a novel parallel-connection electric energy quality controller, and aims to solve the technical problems that a reactive compensation device difficultly realizes dynamic compensation for reactive power of a system, is narrow in reactive power adjustment range and cannot realize effective filtering in the prior art. The novel parallel-connection electric energy quality controller comprises a power supply, a load, a fundamental current detection module, a phase shift control circuit, a voltage source inverter and a coupling transformer, wherein the power supply is connected with the coupling transformer; the load is connected in parallel with a primary winding of the coupling transformer; the fundamental current detection module comprises a current mutual inductor and a fundamental current detection circuit; the current mutual inductor is connected with the primary winding of the coupling transformer; the current mutual inductor is further connected with the input end of the fundamental current detection circuit; the output end of the fundamental current detection circuit is connected with the input end of the phase shift control circuit; the output end of the phase shift control circuit is connected with the input end of the voltage source inerter; the output end of the voltage source inverter is connected with a secondary winding of the coupling transformer.

The invention discloses a clinker silo for a containerized bulk conveyor. The clinker silo comprises a clinker silo body, a feed inlet arranged in the top of the clinker silo body and a discharge outlet arranged in the bottom of the clinker silo body. Primary baffles, secondary baffles and tertiary baffles are fixed on the inner wall of the clinker silo body from top to bottom. The primary baffles, the secondary baffles and the tertiary baffles are all inclined down towards the center of the clinker silo body from the inner wall of the clinker silo body. The lengths of the primary, secondary and tertiary baffles increase sequentially from the inner wall of the clinker silo body to the center of the clinker silo body. Retainer sheets extending out are arranged at the bottom of the discharge outlet. The baffles added to the inner wall of the clinker silo body multiply decelerate material during falling, dust is reduced as far as possible, the problem of caused pollution is greatly relieved, and the clinker silo is especially applicable to feeding bulk cement powder to a conveyor belt for containerization.

The invention relates to the field of big data, and discloses a solid waste vehicle transportation monitoring method, device and equipment and a storage medium. The method comprises the following steps: acquiring collection and transportation union list data of a solid waste vehicle, determining a transportation task of the vehicle according to the collection and transportation union list data, and determining vehicle track data of the transportation vehicle according to the transportation task; based on the vehicle track data, inquiring the real-time geographic position and the parking time of the transport vehicle in a preset time period corresponding to the transport task, judging the parking time and the real-time geographic position, and determining whether to send alarm information to a transport command center or not; and if so, intervening the transportation task based on the alarm information. The technical problem that the track data of the transport vehicle cannot be analyzed, so that the solid waste transport abnormal condition cannot be known in time, and environmental pollution is caused is solved. The receipt and shipment union data of the transport vehicle can be stored in the blockchain node.

The invention relates to the field of metal materials, and particularly discloses a copper alloy and a copper alloy plate and a preparation method and application thereof. The copper alloy has good corrosion resistance, the trace titanium element and the metal copper are melted into an alloy, Ti is segregated to the surface of the alloy by a heat treatment process and annealing in a mixed gas composed of argon and hydrogen, so that the surface of the metal copper is attached to TiO2 composite films, therefore, the internal metal copper can be well protected from reacting with surrounding oxygen, water vapor and the like, so that the surface oxidation resistances of automobile parts with copper as main raw materials can be improved, corrosion prevention is not needed by using an electroplating method, the performance is excellent, and the technical problem of environmental pollution caused by the fact that existing copper products are corroded by adopting electroplating is solved.

The invention discloses a method for separating and purifying hydrogen from refinery tail gas. According to the method, a one-segment temperature swing adsorption gas separation device and a four-segment pressure swing adsorption gas separation device are provided, and a one-segment temperature swing adsorption process and a four-segment pressure swing adsorption process are adopted. By adopting the method, high-thermal-value fuel gas and the hydrogen can be separated and purified form the refinery tail gas, so that the refinery tail gas is utilized fully, great economical benefit is achieved,environmental pollution caused by the refinery tail gas is lowered, and great social benefit is achieved.

The invention relates to an environment friendly recombination bamboo artificial board. The environment friendly recombination bamboo artificial board comprises 100 parts of bamboo bundles, 5-30 parts of tackiness agents, 0-10 parts of multifunctional board material aldehyde eliminating contact agents and 0-10 parts of multifunctional benzene series eliminating contact agents. The bamboo bundles and various functional contact agents are produced through a normal method, and products are produced through processing steps such as sizing, mixing, paving and hot pressing. The manufacturing method includes the following steps: firstly, the bamboo bundles and the given tackiness agents are evenly steeped in impregnation equipment; secondly, the multifunctional board material aldehyde eliminating contact agents and the multifunctional benzene series eliminating contact agents are evenly mixed according to a preset weight ratio and are placed into the impregnation equipment, and then the multifunctional board material aldehyde eliminating contact agents and the multifunctional benzene series eliminating contact agents are evenly mixed with the bamboo bundles with the tackiness agents; finally, evenly mixed raw materials are paved to be a board blank, and the board material is produced under certain temperature and pressure. By means of the environment friendly recombination bamboo artificial board, the technical problem that formaldehyde pollution of an artificial board material exists in the prior art is solved.

The invention relates to a desulphurization-denitration cooperative treatment method for flue gas from hot-blast stoves. The method comprises the following steps: controlling all the heat-accumulatingtype hot-blast stoves to be in a working state of alternate combustion heat accumulation and hot air conveying, allowing high-temperature flue gas produced in a combustion stage to exchange heat withgas used as a fuel, and conveying the preheated gas to the hot-blast stoves for combustion; allowing the cooled flue gas to pass through an ozone oxidation denitration apparatus for denitration; subjecting the flue gas to desulphurization with a wet-process desulphurization apparatus; and after desulphurization, discharging purified gas. The cooperative treatment method provided by the inventioncarries out flue gas purification, hot-air conveying and waste-heat recovery synchronously, efficiently removes sulfur dioxide and nitrogen oxide in the flue gas, purifies the flue gas, meets emissionrequirements prescribed in new standards or ultra-low emission requirements, recycles the heat energy of the flue gas, lowers operation cost and saves energy and resources.

The invention relates to a urine-collecting device. The device comprises a urine-collecting opening and a urine container, the urine container is a bag-shaped body made of flexible materials, and a urine absorption core body is arranged on the flexible materials. Urine is quickly absorbed by the urine absorption core body after entering the urine container through the urine-collecting opening, thephenomenon cannot occur that when the urine-collecting opening is lower than the urine container in position after the urine-collecting device is used for collecting urine, the urine can flow back and out of the container through the urine-collecting opening, and the technical problem is solved that when urine-collecting openings are lower than urine containers in position after existing urine-collecting devices are used for collecting urine, since the urine can flow back and out of the containers through the urine-collecting openings, contamination is caused.

The invention discloses an oil storage tank breather valve VOCs zero-emission device. The device comprises an oil storage tank, a breather valve, a breather valve cover cylinder, a soft bag, a compressor, a condenser, a water cooling machine, a storage tank, an oil pump and a stop valve, wherein the breather valve cover cylinder is arranged outside the breather valve and connected with the soft bag, the soft bag is connected with the compressor, the compressor is connected with the condenser, the condenser is connected with the storage tank, and the storage tank is connected with the soft bagand the oil storage tank separately. When pressure of the storage tank rises, the breather valve is opened, VOCs enter the soft bag, when pressure of the soft bag is larger than a set value, the compressor is started, and the VOCs enter the condenser to be condensed into liquid to enter the storage tank to be stored; and when pressure of the oil storage tank is low, the VOCs in the soft bag are sucked back into the oil storage tank through the cover cylinder and the breather valve, meanwhile, the stop valve is opened, the VOCs in the storage tank are supplemented into the soft bag, the pressure of the soft bag is increased to a set value, and the valve is closed. The device realizes zero emission of VOCs of the breather valve of the oil storage tank, and is an energy-saving and environment-friendly VOCs treatment technology.

The invention discloses an image recognition technology-based hand sanitizer dosage intelligent control method, which comprises the following steps: sensing an object in real time, and collecting object image information; recognizing dirt in the object through a dirt recognition model according to the object image, and determining dirt parameters; obtaining the type of the current hand sanitizer and the liquid concentration of the current hand sanitizer, and calculating the required use amount of the hand sanitizer in combination with the dirt parameters; controlling a hand sanitizer device todischarge the calculated required hand sanitizer dosage; dirt is recognized through the image recognition technology, then the reasonable hand sanitizer dosage is controlled to be discharged, the technical problems that an existing hand sanitizer sensing device cannot reasonably discharge the actually-needed hand sanitizer dosage, and consequently energy waste and environmental pollution are caused are solved, and energy saving and environmental protection are achieved.

The invention discloses a method for preparing azide-substituted quinoline-2, 4-diketone through free radical tandem carbon cyclization reaction without metal catalysis, and relates to the field of chemical preparation, in particular to a preparation method of quinoline-2, 4-diketone. The invention aims to solve the problems of high production cost, increased side reaction occurrence probability and environmental pollution due to adoption of metal catalysis. The method comprises the following steps: reacting methacrylamide, a pre-activated azidotrimethylsilane solution and dimethyl sulfoxide at room temperature, quenching the mixture with H2O, extracting for three times with CH2Cl2, concentrating an organic solvent in vacuum, and purifying residues through rapid column chromatography to obtain the azide-substituted quinoline-2, 4-diketone. The method solves the technical problems of high production cost, side reaction occurrence probability increase and environmental pollution caused by metal catalysis, and the compound prepared by the method has the activity of inhibiting phytopathogen, can be applied to prevention and treatment of phytopathogen, and can be applied to preparation of anti-phytopathogen drugs.

The invention concretely relates to a traditional Chinese medicine composition for preventing and curing plant powdery mildew and a preparation method thereof, which solve the technical problems that an existing chemical agent for preventing and curing wheat powdery mildew is poisonous and harmful so as to pollute the environment. The traditional Chinese medicine composition provided by the invention is prepared from 1 to 3 parts of herba xanthii, 0.5 to 2 parts of cortex pseudolaricis, 0.5 to 3 parts of radix saposhnikoviae, 2 to 4 parts of radix et rhizoma rhei, 0.5 to 2.5 parts of cortex dictamni, 1 to 2.5 parts of pericarpium zanthoxyli, 0.5 to 2.5 parts of medical iodophor, and 0.01 to 0.02 part of preservative. The traditional Chinese medicine composition for preventing and curing plant powdery mildew has the advantages of simple application method, low cost, safety and effectiveness; the preparation method is simple; the traditional Chinese medicine composition can be used for preventing and curing powdery mildew of plants such as vegetable, flowers and plants, and forests.

The invention discloses pressing type writing stationery which comprises a pen holder, a holder body, a pen point and a pen cap. The refill is provided with a pen point; the covering assembly comprises a connecting piece and a covering piece, the connecting piece is connected with the covering piece, and a covering part used for covering the pen point is arranged on the covering piece; the spring is used for driving the pressing part or the connecting piece to reset; wherein the refill is arranged in the pen holder, the pen point extends out of the pen holder, the connecting piece is connected with the pressing part, and the covering piece is arranged on the mounting part and can slide and rotate relative to the mounting part; the pressing part is used for driving the covering piece to move close to and cover the pen point through the connecting piece or driving the covering piece to rotate away from and open the pen point. The antifouling capability of the pressing type writing stationery is improved, and the user experience is improved.

The invention relates to a method for preparation of a ceramic material, discloses a method for preparation of a ceramic material by using graphite tailing sand and corundum powder, and solves the technical problems of environmental pollution caused by tailings produced by a graphite exploitation process. The method comprises the following steps: 1, performing heat treatment of the graphite tailing sand in a tube furnace; 2, mixing evenly, by ball milling, the corundum powder and the graphite tailing sand which is treated by the step 1; and 3, putting the mixture obtained by the step 2 in a graphite mould for compression molding to obtain the ceramic material prepared by using the graphite tailing sand and the corundum powder. The ceramic material prepared by the method is high in yield, simple in process, low in cost, and good in repeatability, can be widely used in machinery, metallurgy, building and chemical materials and other fields, and solves the technical problems of environmental pollution caused by the tailings produced by the graphite exploitation process. The method belongs to the field of preparation of ceramic materials with the graphite tailing sand.

The invention discloses a pipetting control method and device. The method comprises the steps: after it is determined that pipetting equipment executes pipetting operation, triggering image collection equipment to execute image collection operation on a target container, obtaining a first image of the target container, wherein the target container is a liquid transferring object of the pipetting equipment; performing image recognition on the first image to obtain a first image recognition result; determining a height value of the target solution in the target container based on the first image recognition result; and based on a height difference value between the height value and a target height value, controlling the pipetting equipment to continuously execute pipetting operation on the target container until the liquid level height of the target solution in the target container is the same as the target height value. The technical problem that the solution is easily polluted due to the fact that contact operation is adopted for constant volume treatment of the solution in the prior art is solved.

The invention provides a plastic floorboard, which comprises a pattern layer, a base layer and a balance absorbent layer. The balance absorbent layer is in direct contact with the ground and provided with a plurality of micro-vacuum areas sucking the ground. The floorboard is capable of generating suction force based on dead weight, and can be used for solving the technical problem that the traditional plastic floorboard is easy to arch and warp, not resistant to moisture and the like.

The invention discloses a method for separating and purifying hydrogen gas from recovered dry gas of a refining gas tank. According to the method, a three-stage pressure-swing-adsorption gas separation device is provided, and a three-stage pressure-swing-adsorption process is adopted. By adopting the method, fuel gas with high calorific value and hydrogen gas can be separated and purified from therecovered dry gas of the refining gas tank, the recovered dry gas of the refining gas tank can be thoroughly utilized, and great economic benefits are obtained.

The invention relates to a developing box, an image formation apparatus which matches with and is used together with the developing box, and image formation equipment containing the developing box and the image formation apparatus. A rotor wheel on the developing box can rotate in both negative and positive directions around the rotation center. A driving mechanism which fits with a driving rod is disposed in an accommodation space on the image formation apparatus. When the developing box is installed into the accommodation space, the driving mechanism drives the driving rod to drive the rotor wheel so as to make a photosensitive element compress a developing element tightly. When the developing box is dismounted from the accommodation space, the driving mechanism drives the driving rod to drive the rotor wheel so as to make the photosensitive element return to an original state far from the developing element. Therefore, the photosensitive element is separated from the developing element when the developing box is dismounted from the accommodation space, and the technical problem of present developing boxes that the photosensitive element and the developing element still contact with each other after the developing box is removed from the image formation apparatus such that pollution is generated between the photosensitive element and the developing element is solved.

The invention discloses an equipment production line for rubber plasticizing processing and a production technique thereof. A feed stage, a plasticizing stage, a rubber mixing stage, a refining stageand an aftertreatment stage are included. According to the equipment production line for rubber plasticizing processing and the production technique thereof, waste tires are subjected to plasticizingreproduction, therefore, the technical problem of environment pollution is solved, the waste tires become chunk rubber blocks after being plasticized, the chunk rubber blocks are further treated, andthus final finished products are obtained. An automatic feeding device is arranged in a plasticator, frequency-conversion control feeding is conducted through a material position control switch, and thus the automatic feeding function is achieved; and an electromagnetic wave controller is arranged in a treatment box in the plasticator and used for controlling the heating temperature. Rubber is subjected to three times of rubber mixing and averagely allocated into four refining machines to be refined, so that the refined rubber is stable in quality and high in qualified rate, and the number ofscraps is small; and the whole technical process is complete and smooth, needed manpower and material resources are reduced greatly, the working efficiency is high, and wide application prospects areachieved.

The invention discloses a concrete aggregate separation device and a separation method thereof. The device comprises a base, a separation platform, a separation pot, a protective cover, a weight measuring mechanism, a feeding mechanism, a stirring assembly and a controller, wherein the separation platform comprises a fixing frame and a lifting frame; the separation pot is installed in the fixing frame and is used for separating concrete aggregates; the protective cover is mounted on the lifting frame and covers the separation pot; the weight measuring mechanism is used for detecting the real-time weight of the concrete aggregates; the feeding mechanism is arranged on the fixing frame, and the discharging end is an obliquely telescopic end; the stirring assembly comprises a driving mechanism, a limiting pipe, a driving rod, a positioning plate and a plurality of stirring rods; and the controller is used for feeding, stirring and separating the separating pot through the driving mechanism, the lifting frame and the telescopic end. According to the concrete aggregate separation device and the separation method thereof, dust generated by separation is prevented from overflowing, so that operation safety and health of operators are guaranteed, and air pollution is avoided; and utilization rate of aggregate separation is improved, so that manual feeding is avoided, and operation safety is improved.

The invention discloses a method and device for recycling pump washing water in floor construction. The method comprises the following steps: firstly, building a sedimentation tank on the ground nearan elevator shaft of a building; fixing an upper corrugated pipe on a steel pipe bracket in the elevator shaft of the building; allowing a water outlet of the corrugated pipe to be led into a sedimentation tank; and then placing a funnel at the water inlet of the corrugated pipe of an operation floor. Thus, pump lubricating mortar or the pump washing water can be directly discharged into the waterinlet of the corrugated pipe through a water discharging pipe and the funnel and flows into the sedimentation tank, and clear water obtained after the pump lubricating mortar or the pump washing water is settled in the sedimentation tank is used as water for cement maintenance or construction. The method overcomes the technical problem that pump lubricating mortar and waste water produced after cleaning of a pump pipe have nowhere to be discharged and are directly discharged to an elevator shaft during high-rise building construction and consequently cause environmental pollution. The deviceis simple in structure and easy to implement, overcomes the problem of environmental pollution in the prior art, lowers the consumption of construction water, and reduces construction cost.

Disclosed is an upper cover of a mixing and transporting device for high-flowability asphalt mixture. A feed port is arranged in the middle of an upper cover plate, a filter screen is arranged on the upper cover plate above the feed port, a feed port door leaf is arranged on the upper cover plate above the filter screen, a smoke outlet is arranged on the upper front side of the upper cover plate, an exhaust pipe is arranged on the smoke outlet and formed by connecting one side of a front side plate of the smoke outlet and one side of a rear side plate of the smoke outlet with a left side plate of the smoke outlet and connecting the other side of the front side plate of the smoke outlet and the other side of the rear side plate of the smoke outlet with a right side plate of the smoke outlet, an exhaust hood is arranged at the upper end of the exhaust pipe, a peripherally non-closed guide groove is arranged at the edge of the upper surface of the upper cover plate, and at least one positioning block connected with the upper cover through a connector is arranged on the periphery of the filter screen. A rear side wall, a left side wall and a right side wall of the exhaust hood are lower than the upper ends of the rear side plate, the left side plate and the right side plate of the smoke outlet respectively, and a front side wall of the exhaust hood is connected or integrally connected with the upper end of the front side plate of the smoke outlet.

The present invention relates to the field of cosmetics, in particular to a portable quick-clean eyebrow pencil, which includes a main body, which sequentially includes a liquid storage section, a temporary storage section, a pen tip, a cap body and a cleaning mechanism from top to bottom, and the cap body is detachable. The method is installed on the temporary storage section, and the nib is located in the cavity inside the cap body. The cleaning mechanism includes a cavity containing cleaning liquid inside, a cleaning component installed on the cavity, and a cleaning component arranged on the cleaning component. The introduction assembly used to communicate with the cavity and the cavity; the main body covered with the cap after makeup is placed on the cleaning assembly, and the cleaning liquid inside the cavity is sprayed on the pen tip through the introduction assembly through the cleaning assembly; During the process of placing the main body covered with the cap body in the cleaning mechanism, the cleaning liquid inside the cavity is sprayed onto the pen tip through the cleaning component through the component, and it is cleaned, so as to solve the problem that the combined cosmetics in the prior art cannot be cleaned. Technical problems causing cosmetic liquid contamination.

The invention provides an anti-infection protection device used for a trachea cannula. The anti-infection protection device is arranged on an air outlet pipe of the trachea cannula, and a bronchoscopebody of a bronchoscope penetrates through the trachea cannula; the device comprises a hollow casing and a closed air bag; one end of the casing is provided with a rubber plug, and the other end of the casing is hermetically connected with the air outlet pipe; a through hole is formed in the rubber plug; the diameter of the through hole is smaller than the outer diameter of the bronchoscope body of the bronchoscope; an opening is formed in the side wall of the casing; one end of the air bag hermetically communicates with the opening in the side wall of the casing; and the air bag is also provided with a drainage opening used for removing dirt in the air bag. Droplets generated in the trachea of a patient can enter the casing from a gap between the endoscope body and the trachea cannula, then enters the air bag from the opening in the side wall of the casing and is collected, and finally is collected into a drainage bottle from the drainage opening, so that the technical problem that the droplets are sprayed out of the air outlet pipe to pollute the surrounding environment is solved, thus being conducive to protecting the patient and a medical worker.

The invention discloses a circuit board mounting device. The device comprises a pedestal which is provided with a feeding assembly, a conveying assembly, a carrying assembly, and a stacking assembly,wherein a jacking part is arranged in the feeding assembly and used for jacking upwards in the Z-axis direction; the conveying assembly is arranged on the side face of the feeding assembly and provided with a conveying line in the X-axis direction; the carrying assembly is arranged on one side of the feeding assembly, the carrying assembly is provided with a suction part, and the suction part is used for moving from the position above the jacking part to the position above the conveying line in the Y-axis direction; the stacking assembly is arranged on the side, away from the carrying assembly, of the conveying assembly. According to the circuit board mounting device, a problem that in the prior art, in the process that a PCB is manually inserted into an SMT feeding and discharging frame,the PCB makes frequent contact with a human body, and consequently pollution to the PCB is increased is solved, pollution of human factors to the PCB in the PCB inserting process is avoided, the finished product rate and the conversion rate in subsequent production are effectively increased, and the cost is reduced.

The invention discloses an intelligent control method for the amount of hand sanitizer based on image recognition technology, comprising: sensing an object in real time, and collecting image information of the object; using the image of the object to identify the dirt in the object through a dirt recognition model, and Determine the dirt parameters; obtain the current type of hand sanitizer and its liquid concentration, and calculate the required amount of hand sanitizer in conjunction with the dirt parameters; control the hand sanitizer device to discharge the calculated required amount of hand sanitizer; the present invention uses image recognition After the technology identifies the dirt, it controls and discharges a reasonable amount of hand sanitizer, which solves the technical problem that the existing hand sanitizer sensing device cannot reasonably discharge the actual required amount of hand sanitizer, resulting in energy waste and environmental pollution, and realizes energy saving and environmental protection. .

The invention relates to the technical field of poultry feeds, in particular to a vitamin premix feed for laying hens and a preparation method of the vitamin premix feed. The feed comprises a core material and a wrapping material wrapping the outer surface of the core material, the core material comprises mixed vitamins, the wrapping material is palm oil, and the feed is prepared through bottom spraying of a fluidized bed coating machine. According to the invention, the addition amount of the safe allowance of the vitamins in the premix feed is reduced, the feed cost is reduced, and the technical problem of dust pollution caused by excessive addition of monomer vitamin carriers is solved at the same time; the feed provided by the invention has a coating structure, a packing material is plant palm oil, dust and residues are avoided, and meanwhile, the loss caused by damage due to direct contact between vitamins and minerals can be avoided; the feed coating structure provided by the invention has a slow-release effect on vitamins, and the absorption of animals on the vitamins during eating is increased.

The application belongs to the technical field of pathological instruments and solves the technical problems in the prior art that embedding tweezers tend to leave solidified paraffin, which affects tissue embedding effect and causes inter-tissue pollution. The technical solution adopted is: including a pair of tweezers sets, the main body of the tweezers sets and its temperature measuring device, heating device, the display interface of the main console, the temperature adjustment device, and a set of wireless power conduction devices matched with the main body of the tweezers sets, One set of wireless temperature measurement conduction device, and one set of wireless temperature adjustment conduction device. The technical solution of this application adopts a wireless design, which is convenient to use. Different tweezers can be selected according to personal embedding habits. Adjusting the burial habits, etc., will not burn the tissue, but also ensure that the tip of the tweezers will not have solidified paraffin attached, which effectively solves the problem of inter-tissue contamination and improves work efficiency.