1431 results about "Hazardous substance" patented technology

The present invention relates generally to improved systems and methods for removing undesirable material residing in vessels. More specifically, the present invention relates to systems and methods for using at least one cannula to remove substantially en bloc, from a site of obstruction or interest, undesirable material without fragmentation and without excessive fluid loss.

The invention relates to the field of pollutant monitoring, in particular to an indoor decoration harmful substance monitoring and early warning method and system based on multi-sensor analysis. The method comprises the following steps that decoration whole-process parameter collection is carried out based on multiple sensor nodes, regional parameter distribution fitting is carried out, and an all-weather monitoring reference database is constructed; performing air pollutant identification marking on the all-weather monitoring reference database, and performing multi-time-point concentration change evolution analysis to obtain a multi-time-point concentration distribution evolution model; carrying out dynamic pollutant diffusion mining on the multi-time-point concentration distribution evolution model, carrying out combined pollution evaluation calculation, and constructing a multi-pollutant combined diffusion risk chain; dynamic interpolation modeling is carried out on the multi-time-point concentration distribution evolution model, micro-scale space-time disturbance reconstruction is carried out, and a pedestrian disturbance space-time diffusion model is constructed. According to the invention, through accurate and efficient risk assessment of indoor decoration harmful substances, dynamic early warning is carried out, and the safety of indoor decoration is improved.

The invention provides a soil pollution intelligent monitoring and early warning method based on coupling of source accurate prevention and control and enhanced natural restoration, and relates to the technical field of pollution hidden danger investigation and source tracing. According to the method, toxic and harmful substances are identified through data collection, interview and reconnaissance, a key monitoring list is constructed, troubleshooting and leakage detection are carried out, hidden danger judgment and grading are completed, a rectification strategy is matched to generate a bioremediation scheme, biological agent injection or biological pile construction is carried out on a remediation area, and remediation effect evaluation is carried out. And setting monitoring factors and arranging monitoring point positions after the restoration reaches the standard, collecting monitoring data and inputting the monitoring data into a monitoring and early warning system, and realizing abnormal alarm through threshold triggering. According to the method, a closed-loop process from source identification, restoration implementation to long-term monitoring is constructed, and the accuracy and early warning efficiency of pollution treatment are improved.

The utility model relates to a treatment system for purifying high-salinity wastewater, which is suitable for treating high-salinity wastewater, particularly desulfurization wastewater of a coal-fired power plant and coal chemical wastewater. By combining efficient flocculation, ozone catalysis and membrane distillation technologies, a self-made chitosan-based flocculant is added in a flocculation stage, and suspended solids and heavy metal ions in wastewater are removed by utilizing good adsorption performance and flocculation capacity of the self-made chitosan-based flocculant; in the ozone catalysis stage, a self-made ternary composite catalyst is added, ozone decomposition is promoted, and organic pollutants are further removed; in the membrane distillation stage, a self-made antifouling and moisture-resistant composite membrane is used for efficient desalination and concentration, and finally efficient purification and recycling of the high-salinity wastewater are achieved. The process can significantly improve the wastewater treatment effect, reduce the concentration of salt and harmful substances in the wastewater, also reduce the operation cost, and is suitable for large-scale industrial wastewater treatment.

The invention provides a capsule used as an aerosol generating substrate, the capsule contains fuming materials propylene glycol and glycerol, a capsule skin comprises a colloidal substance, the colloidal substance is at least one of animal glue, vegetable glue, starch and a starch modifier, and only one layer of capsule skin is provided. The invention also discloses an aerosol generating product using the capsule, and uniform and sufficient smoke release can be obtained at a lower heating temperature, so that the aerosol product can further reduce the energy consumption, reduce the release of harmful substances and improve the feeling of a smoker.

The invention discloses a tobacco peculiar smell treatment system for cigarette production based on spraying pressure regulation, and relates to the technical field of waste gas treatment equipment.The treatment system comprises a base, a control box, a photocatalytic oxidation chamber, a spraying mechanism, a smoke exhaust pipe and an exhaust pipe, and the control box, the photocatalytic oxidation chamber and the spraying mechanism are all fixedly connected with the base; the spraying mechanism comprises a tower body, a smoke exhaust port is formed in the tower body, the smoke exhaust pipe is fixedly connected with the smoke exhaust port and the photocatalytic oxidation chamber, the photocatalytic oxidation chamber is fixedly connected with the exhaust pipe, and the control box is connected with the photocatalytic oxidation chamber and the spraying mechanism through electric signals; according to the device, secondary treatment of multi-stage spraying, photo-oxidation catalysis and activated carbon adsorption is combined, harmful substances and peculiar smells in waste gas are thoroughly removed, the waste gas washing effect is improved by changing the stirring and spraying filler frequency and adjusting the spraying cleaning liquid pressure, and the tobacco waste gas treatment effect is greatly improved.

The present invention relates to an adhesive composition for a polyester tire cord, a method for preparing a polyester tire cord, and a tire cord comprising the same, according to the present invention, when the polyester tire cord is prepared, the adhesive composition can be used for manufacturing a polyester tire cord, according to the present invention, the binding force between polyester fibers and a first treatment liquid can be increased by treating with the first treatment liquid containing a salt containing an anionic functional group, and then the crosslinking density can be increased by treating with a second treatment liquid containing an isoprene rubber latex, thereby not only having excellent high-temperature adhesive force, but also having excellent water resistance. And no harmful substances are used, so that the environment-friendly property is realized. In addition, uniform adhesion of the processing liquid is achieved by minimizing the influence caused by the external environment, thereby reducing the manufacturing manufacturability and the production cost. The polyester tire cord prepared as above can exhibit high heat-resistant adhesive force, rubber coverage, and excellent heat resistance characteristics.

The application belongs to the technical field of electronic component recycling, in particular to a waste electronic component recycling device, which comprises a workbench, a clamping assembly is arranged on the upper end of the workbench, the clamping assembly comprises a first rectangular plate which is slidably arranged on the upper end of the workbench, two clamping strips are slidably arranged on the upper end of the first rectangular plate, a cylinder is slidably arranged on one side of the upper end of the first rectangular plate, a through hole is formed in the lower end of the cylinder, a hot air blower is arranged on one side of the cylinder, a baffle is arranged on the middle of the upper end of the workbench, a crushing box is arranged on one side of the workbench, an extrusion roller is rotatably arranged in the crushing box, and a discharge port is arranged on one side of the lower end of the crushing box. The device can automatically remove the resistors, capacitors and other components on the surface of the circuit board by using the heating separation method, without damaging the circuit board and the resistors, capacitors and other components, thereby reducing the harm of harmful substances to the environment.

The utility model relates to a coke breeze treatment device for wet quenching of a coke oven, which comprises a clean water tank and a sedimentation tank, the clean water tank and the sedimentation tank are sequentially connected, two sides of the clean water tank and the sedimentation tank are provided with ditches, and the ditches are used for leading quenching water sprayed in a quenching tower back to the coke breeze sedimentation tank to form a closed loop, so as to complete the recycling of the quenching water. Concrete partition walls are arranged between the clean water tank and the sedimentation tank, between the ditches and the clean water tank and between the ditches and the sedimentation tank, openings are formed in the concrete partition walls, and water gates are arranged at the openings and connected with the control unit. The coke powder grabbing device has the advantages that the grabbing device walks on the track and grabs the coke powder of the settling pond and the clean water pond, the coke powder does not need to be cleaned manually, the operation environment of operators is improved, the labor intensity of the operators is reduced, the post of the coke powder grab bucket operator is canceled, manpower is saved, the enterprise cost is reduced, and the working efficiency is improved. Operators are prevented from being in contact with toxic and harmful substances, and the operation environment of the operators is improved.

The present invention relates generally to improved systems and methods for removing undesirable material residing in vessels. More specifically, the present invention relates to systems and methods for using at least one cannula to remove substantially en bloc, from a site of obstruction or interest, undesirable material without fragmentation and without excessive fluid loss.

The utility model discloses heat insulation type laminated iron, which comprises a metal substrate and a PET (polyethylene terephthalate) layer adhered on the surface of the metal substrate, the PET layer comprises a base layer and a conical array structure formed on the surface of the base layer, the conical array structure comprises a plurality of conical convex structures, and an Ag layer and an oxide protection layer are sequentially arranged on the side surface of each conical convex structure. According to the laminated iron, the reflectivity of the laminated iron in an infrared band can be improved, the heat insulation performance of a material is enhanced, meanwhile, the risk of migration of harmful substances is avoided, and the laminated iron has good safety.

The utility model relates to the technical field of waste gas treatment washing towers, in particular to a plasma waste gas treatment device which comprises a main body of a tower body structure, an inner cavity is formed in the main body, a vertical water supply pipeline is arranged in the inner cavity, a plurality of water conveying frames which are longitudinally distributed at intervals are arranged on the water supply pipeline, and each water conveying frame comprises a water drainage pipe, a communicating pipe and a flow guide table. The drainage pipe is an annular pipe body with a plurality of water outlet holes evenly distributed in the bottom, the flow guide table is an annular plate body arranged below the water outlet holes, the inner end and the outer end of the communicating pipe communicate with the water supply pipeline and the drainage pipe correspondingly, and water in the water supply pipeline can penetrate through the water outlet holes to flow into the top end face of the flow guide table from top to bottom after flowing through the communicating pipe and the drainage pipe. And an annular water curtain is formed after guiding of the top end face of the flow guide table. The utility model is favorable for solving the problem that the purification effect is easy to influence due to the fact that only an atomizing nozzle is adopted for spraying treatment in some existing purification spraying towers, and spaces for harmful substances to escape still exist among fine water drops in an atomizing area.

The utility model is applied to the technical field of mine water treatment, and discloses graded filtering equipment for mine water treatment, which comprises a sinking bin, a switching motor is fixedly mounted in the lower end of the sinking bin, the upper end of an output shaft of the switching motor penetrates through the inner bottom surface of the sinking bin, and the upper end of the output shaft of the switching motor is fixedly connected with a driving disc; a pressure filtering mechanism is arranged in the upper end of the sinking bin, and mine water is filtered and recycled through underwater pressure of a mine. The graded filtering equipment for mine water treatment is provided with a pressure filtering mechanism and a suction filtering mechanism, primary filtering is conducted through a first-stage filtering net at a first liquid inlet, further filtering is conducted through a second-stage filtering disc in a liquid storage cavity, and secondary filtering is conducted through a third-stage filtering element in the middle section of a connecting pipe, so that multi-stage filtering of mine water is achieved; various impurities, suspended matters and harmful substances in the mine water can be effectively removed, and the quality of treated water is ensured to meet the reuse standard.

A transportation vehicle capable of realizing a cleaning function of an exhaust gas purifying device while suppressing increase in the weight and costs. The transportation vehicle comprises: a diesel engine; a generator; a traveling motor; a grid box that converts the electric power generated by at least one of the generator or the traveling motor into heat to consume the electric power; an exhaust gas purifying device, and a controller configured to, in a case of causing the generator to generate load necessary to increase a temperature of the exhaust gas to a cleaning temperature, if determining that additional electric power additionally generated by the generator can be consumed by the grid box, cause the generator to additionally generate the additional electric power to remove the harmful substances deposited on the exhaust gas purifying device, and causes the grid box to additionally consume the additional electric power.

The invention discloses a composite fiberboard and a preparation method thereof, and belongs to the technical field of artificial boards. Comprising the following raw materials in parts by weight: 34-45 parts of wood fiber, 17-26 parts of composite resin, 7-13 parts of hydroxymethyl cellulose, 5-9 parts of aluminate cement, 4-8 parts of talcum powder, 11-16 parts of polyvinyl alcohol, 9-14 parts of polyvinyl acetate emulsion, 7-11 parts of urea-formaldehyde resin adhesive, 5-9 parts of polyacrylate and 1.2-2.5 parts of a composite coupling agent. According to the composite fiberboard, the water resistance of the composite fiberboard can be improved, and the problem that harmful substances containing formaldehyde and the like are released is solved.

The application provides a steam heating cooking device with a titanium inner container and belongs to the technical field of daily necessities. The steam heating cooking device solves the technical problems of poor safety, complex structure and poor heat preservation effect in the prior art. The steam heating cooking device comprises a pot body, the pot body comprises an inner container made of titanium metal or titanium alloy, an outer shell one made of metal is arranged on the periphery of the inner container, and a vacuum cavity is arranged between the inner container and the outer shell one. The inner container made of titanium metal or titanium alloy can improve the cleanliness, avoid the penetration of harmful substances during cooking and improve the safety.

The invention belongs to the technical field of environmental governance, and particularly relates to a waste gas treatment system, application thereof and a treatment method for malodorous gas generated by a household garbage landfill. The waste gas treatment system provided by the invention comprises an alkali washing spray tower, a biological filter bed of which a bottom first gas inlet is communicated with a top outlet of the alkali washing spray tower, a deodorization spray tower of which a bottom gas second inlet is communicated with a top outlet of the biological filter bed, and an emptying pipe communicated with a top outlet of the deodorization spray tower. When the waste gas treatment system is used for treating malodorous gas, the malodorous gas can be subjected to three-step purification treatment of primary gas-liquid mass transfer, microbial degradation and secondary gas-liquid mass transfer, various harmful substances in the waste gas can be efficiently removed, meanwhile, the system is not prone to leakage, continuous treatment can be achieved, and the waste gas treatment efficiency is improved. And the secondary pollution is reduced while the treatment effect is ensured.

A purification water cup belongs to the technical field of drinking water filtration. The ultrafiltration assembly is arranged, the ultrafiltration assembly comprises a plurality of ultrafiltration filters, and each ultrafiltration filter is composed of a plurality of hollow fiber filter membranes, so that harmful substances such as heavy metals, pesticides and organic matters in water can be effectively removed; the ultrafiltration assembly is designed to be of a detachable structure, a plurality of ultrafiltration filters can be detached after use, the ultrafiltration filters can be cleaned due to the characteristics of the ultrafiltration filters, reuse is facilitated, and the use cost is effectively reduced; due to the structure that the ultrafiltration filter can be independently detached, the ultrafiltration filter can be washed and dried in the sun or dried at low temperature after being used, and bacteria are prevented from breeding in an internal humid environment; the ultra-filtration filter can be replaced independently through the structure that the ultra-filtration filter can be detached independently, a new ultra-filtration filter element is installed in the installation shell, sealed through the upper cover and then integrally installed at the bottom of the water storage shell, filtering can be conducted again, the whole filtering assembly does not need to be replaced, and the use cost is reduced.

The utility model discloses a safety treatment device for chemical waste liquid, which relates to the technical field of chemical waste liquid treatment and comprises a device body, an annular support frame is fixedly mounted at the bottom of the device body, a glass cover is arranged at the top of the device body, and a purification mechanism is arranged in the device body. And a heating mechanism is arranged at the bottom of the device body. The motor is arranged to be matched with the rotating rod and the rotating base to drive the waste liquid treatment tank to rotate, so that waste liquid is in complete contact with the waste liquid purification layer, harmful substances in the waste liquid are removed, the practicability of the equipment is improved, and the equipment is in a sealed state in the whole process when treating the waste liquid, so that the safety is improved; and a pulling plate is arranged to be matched with a water leakage hole, treated waste liquid is input into a waste liquid groove in a waste liquid tank, and the treated waste liquid in the waste liquid groove is further sterilized in cooperation with a heater, so that the purification effect of the equipment is improved.

The present application relates to the technical field of anode slime treatment, and discloses a method for removing antimony and tellurium from anode slime by multi-stage pressurization and chlorine-free process, which comprises the following steps: S1, anode slime pretreatment, S2, multi-stage pressurization treatment, S3, separation of antimony and tellurium from the anode slime, S4, preparation of sodium antimonate, S5, tail gas treatment, S6, waste liquid treatment, S7, post-treatment. The method is characterized by the following: one-stage pressurized thiourea transformation is used for deep copper removal, and two-stage pressurized sulfuration is used for chlorine-free antimony and tellurium removal. The process flow does not involve chlorine-containing substances, and the pressurized leaching of alkaline medium does not produce substances with strong corrosivity, thereby reducing the damage to the equipment. In the process of removing antimony and tellurium, the harmful substances generated during the reaction can be treated by waste gas and waste liquid treatment, and the by-products, precipitates, incompletely removed heavy metal ions, trace pollutants and the like in the tail liquid can be removed or converted into harmless substances, so that the tail liquid meets the discharge standard and the environmental pollution caused by the tail liquid discharge is reduced.

The application discloses a composite air filtering device, which comprises a centrifugal filtering mechanism, a second filtering element, a microorganism filtering mechanism, an ultraviolet mechanism and a self-adaptive adjusting mechanism, wherein the self-adaptive adjusting mechanism comprises an adjusting filtering layer, and the pore size of the adjusting filtering layer can be adjusted according to the air flow rate; air flows through the centrifugal cylinder, the glass fiber filtering core, the activated carbon, the microorganism layer, the ultraviolet irradiation unit and the adjusting filtering layer in sequence from the air inlet pipeline; and the control module adjusts the pore size of the adjusting filtering layer according to the air filtering standard and the air flow rate; after the multiple purification steps, the particulate matters, gas pollutants, microorganisms and peculiar smell in the air are effectively removed, the air finally discharged into the environment is fresh, peculiar smell-free and harmful substance-free, meets the environmental protection discharge standard, and remarkably improves the air quality, providing clean and safe air for the environment.

This disclosure provides a raw material mixing device for the production of sealing diaphragms, comprising: a storage cylinder with a hemispherical bottom and a guide pipe at its axial position; an air injection mechanism at the bottom of the storage cylinder for injecting air into the guide pipe; and a conical block positioned above the guide pipe, with its pointed end inserted into the top opening of the guide pipe. In use, this improved sealing diaphragm raw material mixing device uses a high-temperature airflow to move the raw material from the bottom of the storage cylinder to the top, scattering it to complete the mixing and stirring of the sealing diaphragm raw materials. There are no dead zones, resulting in better mixing and stirring of the sealing diaphragm raw materials. Simultaneously, it removes odors and dust from the raw materials, preventing the release of odors and dust into the environment during mixing or when the raw materials slide out of the storage cylinder, thus avoiding any impact on the health of workers.

The application belongs to the technical field of tail gas deodorization treatment, and particularly relates to a nitrogen oxide treatment device with tail gas deodorization treatment, which comprises: a pipeline one, one end of the pipeline one is fixedly provided with a fixed shell one, one side of the fixed shell one is plug-in provided with a sliding frame, sponge blocks are fixedly arranged in the sliding frame, a plurality of baffle plates are fixedly arranged in the fixed shell one and located on both sides of the sliding frame, scraper plates are slidingly arranged on both sides of the baffle plates, and one side of the scraper plate is in close contact with the corresponding baffle plate; a fixing assembly is located in the sliding frame and used for fixing the position of the sliding frame; a driving assembly is located in the fixed shell one and used for driving the plurality of scraper plates to slide; in the application, the overall device can remove water mist in waste gas, effectively remove particulate matter and aerosol, ensure the cleanliness of exhaust gas, and ensure that the gas does not contain harmful substances, so that odor is not generated.

This utility model discloses a ceramic tile blank glazing device with a protective structure, belonging to the field of glazing. The device includes a glazing machine body, a door panel rotatably mounted at the front of the working chamber of the glazing machine body, a collection platform fixedly mounted at the bottom of the glazing machine body for collecting excess glaze, and a placement platform fixedly mounted on the upper part of the collection platform for placing the ceramic tile blank. The placement platform includes a support plate with multiple inclined flow channels on its upper part. When the operator places the ceramic tile blank on the support plate, the door panel closes, creating a sealed environment to prevent glaze splashing and dust diffusion. During glazing, excess glaze flows naturally to the edge through the inclined flow channels on the support plate and is captured by the collection platform, preventing the glaze from being exposed to the air for extended periods and reducing the volatilization of harmful substances.

The utility model discloses a portable device special for cnc machine tool greasy dirt, and relates to the field of greasy dirt treatment devices, the portable device special for cnc machine tool greasy dirt comprises a pretreatment device, a fan, a plurality of groups of activated carbon boxes and a chimney, and the pretreatment device, the fan, the plurality of groups of activated carbon boxes and the chimney are connected in sequence. According to the portable cnc machine tool oil stain special equipment, one side of each of the multiple sets of activated carbon boxes is arranged to be in an opening form, the multiple sets of sealing assemblies are connected with the first driving assembly, the multiple sets of activated carbon assemblies are connected with the second driving assembly, and then the two sets of driving assemblies are matched to drive the multiple sets of activated carbon boxes to rotate. Firstly, a plurality of sealing assemblies are driven to be opened through a first driving assembly, and under the cooperation of a second driving assembly, a plurality of activated carbon assemblies can be driven to be separated from the interior of an activated carbon box at the same time, so that workers can conveniently detect and clean a plurality of activated carbon screen plates; meanwhile, the activated carbon screen plate adsorbing more harmful substances can be conveniently replaced in time, and the use effect of the activated carbon screen plate is ensured.

The utility model relates to a connecting pipe inner wall deburring device which comprises a machine frame, a protective cover is fixedly connected to the top of the machine frame, a stabilizing assembly is arranged at the top of the protective cover, a transmission assembly is arranged in the machine frame, and a polishing assembly is arranged on the right side of the machine frame. The grinding assembly comprises a fixing frame arranged on the right side of the rack, a connecting plate is fixedly connected to the top of the fixing frame, and a first electric push rod is fixedly connected to the right side of the connecting plate. According to the deburring device for the inner wall of the connecting pipe, the connecting pipe is placed at the top of a movable roller, a second electric push rod is started to drive a stabilizing plate and a stabilizing wheel to move downwards so that the connecting pipe can be more stable, a first motor is started to drive a polishing brush to rotate, and a first electric push rod is started to drive a movable frame and the polishing brush to move towards the interior of the connecting pipe; and meanwhile, by means of the design of the protective cover, spark, chippings and other harmful substances generated in the grinding process are effectively isolated, and operators are protected against injuries.

The invention relates to a liquid metal oxygen sensor reference electrode system and method with both precision and safety, which can provide stable oxygen partial pressure when a probe works normally and actively prevent harmful substances from leaking when the probe is damaged, so that the measurement precision of a liquid metal oxygen sensor is ensured, and the safety and the reliability are improved at the same time. Comprising a sensor, a gas micro-flow controller, a reference gas cylinder, an inert gas cylinder, a gas fan and a waste gas treatment system, the sensor is connected with a signal measuring instrument through a cable; the sensor is connected with a reference gas cylinder and an inert gas cylinder through a gas supply pipeline; the sensor is sequentially connected with a back pressure valve, a pressure measuring instrument, a gas component measuring instrument, a gas fan, a check valve and a waste gas treatment system through an exhaust pipeline. The long-term measurement accuracy and stability can be improved, and the system misoperation probability is reduced; meanwhile, the safety of the reference electrode powder is ensured.

The application provides a carbon fiber precursor solution sampling method, which comprises the following steps: S1. providing a sealed container with a sampler inside, wherein the sealed container is a closable sealed container; and S2. placing the sealed container on a displacement assembly at position one. The carbon fiber precursor solution sampling method adopts automatic sampling, greatly reduces the labor intensity, and is safe and reliable. The medium in the reaction kettle is sealed through the closed sealed cavity and the closable channel between the sealed cavity and the reaction kettle, the sealing property of the high-temperature corrosive medium is ensured, air is prevented from entering the reaction kettle and contacting the high-temperature corrosive medium to generate toxic and harmful substances, the air in the sealed cavity is replaced by inert gas, the sealing property of the high-temperature corrosive medium is ensured, and the sealed container can be disassembled to take out the sampler through the setting of the opening and closing assembly and the tightening of the sealed container, so that the leakage of the toxic medium is avoided.

The utility model discloses a sewage treatment device which comprises a homogenizing tank, one side of the homogenizing tank is connected with a monitoring room through a first conveying pipe, the homogenizing tank is connected with a biological fluidization tank through a second conveying pipe, one side of an anaerobic digestion tank is connected with an ozone tank through a pipeline, and one side of the ozone tank is connected with a biological aerated filter through a pipeline. A plurality of aerators are arranged in the biological aerated filter, stirring blades and a motor are arranged in the homogenizing tank, and different kinds of sewage from the septic tank effluent collecting tank, the domestic sewage inlet and the production wastewater inlet can be fully mixed through stirring, so that the quality and the quantity of the sewage entering a subsequent treatment unit are more uniform; according to the sewage treatment system disclosed by the invention, by adopting a mode of synergism of multiple treatment processes, the anaerobic digester can decompose macromolecular organic matters into micromolecules by utilizing anaerobic bacteria, and multiple processes are combined, so that various pollutants such as organic matters, heavy metals and toxic and harmful substances in sewage are more thoroughly removed, and strict environment-friendly emission standards can be better met.

The invention provides a bamboo pole pencil board and a preparation method and application thereof, and the preparation method comprises the following steps: sequentially performing dry carbonization softening and wet flattening on raw materials, and then performing wax dipping to obtain the bamboo pole pencil board, the raw materials comprise flattening plates or splice plates. The bamboo rod pencil board is high in strength, good in size stability, free of warping, smooth in surface, good in pencil point forming, close to a poplar pencil board in coiling and cutting performance, environmentally friendly and safe in preparation process, free of harmful substances such as formaldehyde and the like, capable of meeting the safety requirement and capable of meeting the requirements of student supplies and office supplies.