40results about How to "Reduce potential harm" patented technology

The invention discloses a chemical gas phase risk detection system and method, and belongs to the technical field of gas detection. In order to solve the problems that the identification precision is not high, the risk grade division is not clear and the diffusion condition of chemicals cannot be accurately predicted, the chemical characteristics are comprehensively considered, the risk factor of each sampling point position is calculated, and the risk division can be accurately performed on each sampling point position according to the formulated risk grade division standard and threshold value, so that the risk classification accuracy is improved. A high-risk area can be quickly identified, the diffusion range and the influence degree of chemicals under different risk levels are simulated and predicted by combining environmental factors such as wind speed, wind direction, temperature and humidity in a sampling environment, a scientific basis is provided for formulating countermeasures, potential hazards of chemical accidents to personnel and the environment can be reduced, and the method is suitable for popularization and application. The initial early warning threshold value is dynamically adjusted according to the detection result, the risk assessment and the actual site situation, it is ensured that the early warning system can adapt to the complex and changeable chemical environment, and the early warning accuracy is improved.

The utility model discloses a gear grinding waste collecting device, and relates to the technical field of gear grinding devices, the gear grinding waste collecting device comprises a main body assembly, the main body assembly comprises a working table, a connecting frame is fixed at the top end of the working table, a cleaning assembly is arranged on one side of the connecting frame, and a cooling assembly is arranged on one side of the cleaning assembly. The servo motor is started to drive the output shaft to rotate, the belt drives the connecting shaft and the rotating disc to rotate synchronously, the rotating disc drives the moving block to move transversely in a reciprocating mode through the circular shaft, the large-pitch threaded lead screw moves under rotation of the gear, the scraper blade cleans waste materials on the material receiving plate, and the waste materials fall into the collecting box. Through centralized treatment of the ground waste, the situation that workers need to consume too long time to clean the waste and waste the time of the workers is avoided, meanwhile, the waste can be prevented from being discarded at will through collection and treatment of the waste, potential hazards of the waste to the environment are reduced, and ecological balance is protected.

The invention provides a PEF composite board and a preparation method, and relates to the technical field of insulation boards, the composite PEF board is formed by bonding a plurality of layers of board bodies, and comprises a base layer, the base layer is prepared from the following components in parts by weight: 58 to 60 parts of HDPE (High-Density Polyethylene), 4 to 6 parts of nano montmorillonite, 1 to 2 parts of benzoyl peroxide, 2 to 5 parts of BHT (Butylated Hydroxytoluene) heat stabilizer and antioxidant, 2 to 5 parts of maleic anhydride grafted polyethylene, 0.2 to 1 part of magnesium stearate and 0.3 to 0.8 part of epoxidized soybean oil; comprising a fireproof layer which is composed of the following components in parts by weight: 45-55 parts of HDPE and 5-15 parts of a phosphate ester environment-friendly flame retardant; comprising a thermal insulation layer and is prepared from the following components in parts by weight: 45-55 parts of HDPE, 5-10 parts of lignin fibers and 5-10 parts of a bio-based foaming agent formed by mixing sodium bicarbonate and citric acid. The invention has the beneficial effects that the mechanical strength, flame retardant property and thermal insulation effect of the PEF plate are obviously improved, the weather resistance and environmental protection property are enhanced, the optimal balance of high performance and cost effectiveness is realized, and the PEF plate is suitable for various building and industrial application environments.

The invention discloses welding clamping equipment for steel structure machining, and belongs to the field of steel structure machining. Comprising a transverse plate, a clamping cavity is formed in the upper surface of the transverse plate, extending cavities are symmetrically and fixedly connected to the two sides of the transverse plate, a supporting plate is fixedly connected to the front portion of the lower surface of the transverse plate, an inclined block is fixedly connected to the rear portion of the lower surface of the transverse plate, and a clamping power cavity is fixedly connected to the front surface of the transverse plate; the equipment stably clamps the steel structural part through a complex mechanical transmission structure, the clamping plate can accurately fix the steel structural part in the clamping cavity under driving of the motor, welding defects caused by shaking of the steel structural part in the welding process are avoided, guarantee is provided for high-quality welding through stable clamping, and the welding quality is improved. The welding seam is uniform and firm, the overall strength and stability of the steel structure are greatly improved, and high-quality welding is crucial in the fields of buildings, bridges, mechanical manufacturing and the like.

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 invention belongs to the technical field of semiconductor material detection, and particularly relates to a method for identifying a polar surface of a tellurium-cadmium compound crystal (111). The method comprises the steps that S1, cutting is conducted along the face of a tellurium-cadmium compound crystal ingot (111), and the cut face is ground and polished to be flat; s2, cleaning the surface of the sample; s3, putting the cleaned sample into a KOH aqueous solution for treatment, then taking out the sample, and washing off KOH residual liquid; s4, the sample washed in the step S3 is put into a 10%-15% H2O2-NH4F solution to stand for 5-10 min, and then residual liquid is washed away; d5, the color of the surface of the sample washed in the step S4 is observed, and if it is observed that the surface of the sample is black, it is judged that the surface is the (111) A face of the cadmium telluride or cadmium zinc telluride sample; and if the surface of the sample is observed to be colored, judging that the surface is a (111) B surface of the cadmium telluride or cadmium zinc telluride sample. According to the method disclosed by the invention, the (111) A surface and the B surface of the tellurium-cadmium compound crystal can be distinguished in a relatively short time, and are easy to observe.

The utility model discloses a lead-free environment-friendly copper alloy bar for a valve, which comprises a lead-free copper alloy bar body, a hollow hole is arranged at the center of the lead-free copper alloy bar body, a plurality of inclined planes are arranged on the surface of the lead-free copper alloy bar body at equal intervals, an anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body, and the anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body. The lead-free copper alloy bar has the advantages that through the arrangement of the hollow holes, the weight of the lead-free copper alloy bar body is reduced, meanwhile, enough strength is kept, meanwhile, resistance and thermal resistance are reduced, and the electric conduction efficiency and the heat conduction efficiency are improved; the copper alloy material is low in cost, low in cost and free of lead and chromium, meets international environmental protection standards, reduces potential hazards to the environment and human bodies, keeps high strength, high toughness and good machinability of a traditional copper alloy, and is suitable for manufacturing various valve parts.

This utility model discloses a waste treatment device for isothiazolinone production, relating to the field of isothiazolinone production technology. The waste tank is connected to a first filter, the first filter is connected to a settling tank, the settling tank is connected to a distillation tank, the distillation tank is connected to a degradation tank, the degradation tank is connected to a sedimentation tank, the sedimentation tank is connected to a second filter, the second filter is connected to a nanofiltration membrane device, and the nanofiltration membrane device is connected to a treatment water tank. This device can effectively remove harmful substances from the isothiazolinone production waste, achieving harmless treatment of the waste and also realizing resource recycling to a certain extent, thus possessing good environmental and economic benefits.

This application relates to the field of high-purity semiconductor materials, specifically to a method for preparing ultra-high purity tungsten wire. The method includes the following steps: Step S1: Cutting ultra-high purity tungsten rods with a diameter of 19-21 mm from an ultra-high purity tungsten plate; Step S2: Performing high-temperature heat treatment on the ultra-high purity tungsten rods from Step S1, followed by continuous heating-rotary forging, and repeating the heating-rotary forging process to obtain pretreated ultra-high purity tungsten rods; Step S3: Sequentially subjecting the pretreated ultra-high purity tungsten rods from Step S2 to a process of attaching graphite emulsion, heating, and drawing to obtain black tungsten wire, repeating the graphite emulsion, heating, and drawing process, followed by electrolytic polishing to obtain ultra-high purity tungsten wire. This application uses a 7N-grade ultra-high purity tungsten plate prepared by chemical vapor deposition (CVD) to prepare high-purity tungsten wire. The ultra-high purity tungsten rods are first subjected to high-temperature heat treatment, followed by continuous heating-rotary forging, and then finely drawn. The drawing method of this application ensures the purity and excellent performance of the tungsten wire.

The invention discloses an environment-friendly biomass-based water-based flame retardant and a preparation method thereof, and belongs to the technical field of high value-added utilization of biomass resources. The environment-friendly bio-based water-based flame retardant is prepared from the following raw materials: orange peel tannin, catechin, sodium carboxymethyl cellulose, sodium dodecyl benzene sulfonate, an oxidizing agent, a reducing agent, an acid catalyst, a base catalyst and deionized water. Through the polymerization reaction of catechin and orange peel tannin, a stable carbonized layer can be formed at high temperature, the solid-phase flame-retardant effect is enhanced, the adhesion and stability of the flame retardant can be further improved through compounding with sodium carboxymethyl cellulose and sodium dodecyl benzene sulfonate, and it is ensured that the flame retardant is evenly coated on the surface of a material. The orange peel tannin and catechin are natural plant extracts, are prepared from renewable biomass raw materials, and are environment-friendly.

The invention relates to the technical field of bactericides, and discloses a thiazole ring-containing phenylamide bactericide and application thereof, the specific ingredients comprise 20% of an active component, 5% of a biodegradation accelerator, 10% of a natural antibacterial component, 3% of a biodegradable surfactant, 2% of a thickener and 60% of a filler. According to the thiazole ring phenyl amide-containing bactericide and the application thereof, the active components and the auxiliary components in the formula are all selected from easily degradable materials, and especially the biodegradation accelerant is added, so that the degradation of the active components in the natural environment can be accelerated, and the adverse effects on soil, water sources and non-target organisms are reduced; and the glycoside surfactant is selected, the surfactant is easy to degrade in the environment, the potential harm of chemical residues to an ecological system is reduced, and the thickening agent with good stability and biocompatibility and the filling agent with good adsorption performance are adopted, so that the selectivity and the stability of the formula are favorably improved.

This utility model relates to the field of aerospace technology and discloses an integrated bolt cleaning and lubrication device, comprising: a conveying assembly, which includes a conveyor belt, a first drive unit, and a bolt mounting unit. The power output end of the first drive unit is connected to the conveyor belt for driving its movement. The bolt mounting unit is disposed on the conveyor belt and can fix the bolt head; a cleaning assembly and a lubrication assembly, which are arranged at intervals along a first direction. The cleaning assembly has a cleaning channel for bolts to pass through, and the lubrication assembly has a lubrication channel for bolts to pass through; and a waste liquid purging assembly, which is disposed between the cleaning assembly and the lubrication assembly for purging the cleaning liquid adhering to the bolts. The integrated bolt cleaning and lubrication device provided by this utility model can realize automated and integrated cleaning and lubrication operations, thereby solving the problems of high labor intensity, low efficiency, and health risks associated with manual bolt handling in the prior art.

The utility model relates to the technical field of honing processing devices, and discloses a precise honing processing device of a bimetal cylinder liner, which comprises a honing device main body, one end of the honing device main body is provided with a controller, the honing device main body is internally provided with a honing head, two sides of the honing device main body are respectively provided with a first sliding groove, and a second sliding groove is arranged in the first sliding groove. A first sliding groove is formed in one end of the honing device body, a first sliding block is slidably connected into the first sliding groove, a protective cover is slidably connected to one end of the honing device body, the protective cover is fixedly connected with the first sliding block, a circular groove is formed in one end of the first sliding block, and a first spring is fixedly connected into the circular groove. According to the precise honing machining device for the bimetal cylinder sleeve, cuttings and cooling liquid generated by high-speed rotation and friction can be prevented from splashing all around, so that the cleanliness of the working environment is kept, and potential hazards of the cuttings and the cooling liquid to operators and equipment are greatly reduced.

The invention relates to a method for treating nickel-containing waste residues generated by nitrogen trifluoride electrolysis. The method comprises the following steps: crushing fluorine-containing nickel residues into solid powder; dissolving the fluorine-containing nickel slag solid powder by using an oxidizing solution, controlling the temperature to be 30-60 DEG C and the pH to be 3.5-5, and stirring until the fluorine-containing nickel slag is completely dissolved, so as to obtain a mixed turbid liquid a containing nickel fluoride, ammonium bifluoride and ferric hydroxide; filtering to obtain ferric hydroxide precipitate and a mixed solution b; adjusting the pH value of the mixed solution b to 7-9 by using a sodium hydroxide solution, and filtering to obtain a nickel fluoride solid and a mixed solution c; heating and concentrating the mixed solution c, and cooling and crystallizing to obtain a sodium fluoride crystal and an ammonium fluoride solution; and evaporating the ammonium fluoride solution to dryness to obtain ammonium fluoride crystals. According to the method, comprehensive recycling of the nickel-containing waste residues generated in the nitrogen trifluoride electrolysis process is achieved, the main nickel element is recycled, and it is ensured that other valuable elements such as fluorine and ammonium in the waste residues are effectively extracted and reused.

The utility model relates to the technical field of tipping paper, in particular to moisture-locking and fragrance-keeping tipping paper which comprises tipping paper, and the tipping paper is provided with a front end connected with a filter tip and a rear end used for being connected with a cigarette body. The tipping paper comprises base paper, a first moisture locking layer is attached to the inner surface of the base paper, a fragrance keeping layer is attached to the inner surface of the first moisture locking layer, an adhesive layer is bonded to the inner surface of the fragrance keeping layer, a second moisture locking layer is attached to the outer surface of the base paper, and an alumite coating is attached to the outer surface of the second moisture locking layer. A printing layer is arranged on the outer surface of the alumite plating layer, a flame-retardant layer is arranged on the inner surface of the aroma-keeping layer at the front end of the tipping paper, and the adhesive layer is adhered to the inner surface of the flame-retardant layer. Moisture in tobacco can be effectively locked through the first moisture locking layer, fragrance in the tobacco can be prevented from being lost in the storage and transportation process through the arrangement of the fragrance keeping layer, and it is ensured that the taste and quality of cigarettes can still be kept in the best state when consumers hold the cigarettes.

The utility model relates to the technical field of protective nets, and discloses a metal mine safety protective net device which comprises a protective plate and is characterized in that an additional plate is arranged in the protective plate in a sleeved mode, protective nets are fixedly arranged in the additional plate and the protective plate, and a transmission assembly is arranged at the connecting position of the protective plate and the additional plate. Hinge pieces are fixedly arranged at the two ends of the top of the additional plate, rotating rods are sleeved with the hinge pieces, a buffering mechanism is fixedly arranged at one end of each rotating rod, and a supporting assembly penetrates through the rear side of the additional plate. According to the protective net, the transmission assembly is arranged to drive the additional plate to move up and down in the protective plate, so that the protective height of the protective net can be adjusted and increased, the protective net can be matched with metal mine slopes with different heights, and the practicability of the protective net can be improved.

The invention relates to an insect-resistant agent and a prevention and control method for plant pests, and relates to the technical field of plant insect-resistant agents. Wherein the insect-resistant agent comprises a semen cuscutae extract; the preparation method of the semen cuscutae extract comprises the following steps: carrying out first extraction treatment on dried semen cuscutae powder by adopting a first solvent, and removing an extracting solution to obtain powder subjected to the first extraction treatment; the first solvent is an aliphatic alkane solvent; carrying out second extraction treatment on the powder subjected to the first extraction treatment by adopting a second solvent, and removing an extracting solution to obtain powder subjected to the second extraction treatment; the second solvent is an ester organic solvent; performing third extraction treatment on the powder subjected to the second extraction treatment by adopting a third solvent, and collecting a third solvent extracting solution; the third solvent is one or more of ethanol, methanol and water; and performing solvent removal treatment on the third solvent extracting solution to obtain the semen cuscutae extract. The invention mainly develops an insect-resistant agent which is green, efficient, low in toxicity and not easy to generate drug resistance.

The utility model discloses a kind of radioactive drug multilayer safety storage cabinet, comprising: cabinet, be set between the inner wall of cabinet two sides Several placing plate, and adjusting mechanism being set on the upper surface of placing plate;Adjusting mechanism includes: two fixed plates, two fixed plates are fixedly connected on the upper surface of placing plate, the side opposite of two fixed plates is all set with sliding slot, slidingly connected with several adjusting plates between two fixed plates, the both ends of several adjusting plates are all fixedly connected with sliding block, slidingly connect several adjusting plates between the fixed plate on placing plate, and the sliding block of adjusting plate both ends slides in sliding slot, it can be according to the spacing between adjusting plate of different specifications medicine box adjustment, limiting block slides in limiting slot, cooperate the elastic action of spring, so that the movement of adjusting plate is more stable and has certain buffer, so that device ontology can adapt to different size medicine box storage, improve the adaptability and space utilization of device ontology.

The present application relates to electroplating water treatment technical field, specifically to a kind of new energy battery busbar's electroplating water treatment device, including support, sleeve mechanism, filter assembly, rotating mechanism, sealing cover and drive machine;The support is installed on ground, the sleeve mechanism is installed on support, transition cavity is opened in the inside of sleeve mechanism for the water that will be collected after processing is completed, then is discharged from drain outlet;The filter assembly is installed in the inside of sleeve mechanism, electroplating wastewater is filtered by filter material placed in filter groove filter plate and carries out preliminary filtration;The rotating mechanism is installed in the middle of sleeve mechanism, and the stirring fan blade in rotating mechanism drives electroplating wastewater to rotate, after centrifugal layering treatment, the water in the middle is passed through overflow port and enters sleeve mechanism;The sealing cover is installed on the top of sleeve mechanism;The drive machine is installed at the top of rotating mechanism, and the drive machine drives rotating mechanism to rotate or move up and down.

The present application relates to the technical fields of preparation of carbendazim suspension agent, and discloses a mixing device for improving uniformity of carbendazim suspension agent, wherein the ultrasonic generator, the vibrating mixer and the stirrer are arranged, the ultrasonic generator generates high-frequency sound waves to drive the mixer to vibrate at high frequency for dispersion mixing, meanwhile, the vibrating mixer can also resonate with the rotating stirrer to further improve the mixing efficiency, compared with the traditional stirring mixing mode, the ultrasonic mixer can more effectively disperse the particles into the liquid and produce uniform mixing effect, the high-power mechanical vibration can promote the mixing effect, meanwhile, the powerful mechanical vibration can more quickly and completely disperse the particles and realize uniform mixing, so that the production efficiency can be improved and the time can be saved.

The invention relates to the technical field of pipeline dredging agents, in particular to a preparation method of a pipeline dredging agent. According to the technical scheme, the preparation method comprises the following steps: preparing the following raw materials in parts by weight: 35-40 parts of water, 55-65 parts of a sodium hypochlorite aqueous solution, 0.8-1.2 parts of sodium hydroxide, 1.5-2.5 parts of amine oxide, 3-7 parts of sodium carboxymethyl cellulose, 8-12 parts of polyacrylamide, 12-18 parts of ethylene diamine tetraacetic acid, 18-22 parts of sodium dodecyl benzene sulfonate and 20-25 parts of modified polyvinyl alcohol. The prepared dredging agent can decompose organic matters and effectively dredge pipelines, is high in dirt-removing power, improves the viscosity of the dredging agent, prolongs the residence time of the dredging agent in the pipelines, prolongs the contact time of the dredging agent and blockages, enables the structures of the blockages to become loose, greatly increases the contact area of the blockages and the dredging agent, and improves the dredging efficiency. The dredging efficiency is improved.

The invention discloses an X-ray bioactive protective agent and a preparation method thereof, and belongs to the field of biological medicine. The protective agent is composed of 10%-30% of a bioactive composite extract, 5%-15% of an antioxidant, 3%-10% of a cell protective agent, 1%-5% of a skin penetration enhancer, 0.5%-3% of a thickening agent, 0.1%-1% of a preservative and a solvent. The bioactive compound extract contains sea-buckthorn, roxburgh rose and aloe extract, and cooperates with an antioxidant and a cell protective agent to play a protection role. The preparation method comprises the following steps: extracting plant effective components, compounding, and mixing with other components according to a process. The protective agent can relieve X-ray damage from the biological activity level, has the advantages of being good in protective effect, high in safety, small in irritation, high in stability and the like, and is suitable for reducing damage of X-rays to human tissue and cells.

This invention discloses a waterproof mesh film for plastic greenhouses, relating to the technical field of high-toughness, UV-resistant polymer compositions. The waterproof mesh film for plastic greenhouses is prepared from raw materials comprising the following parts by weight: 60-80 parts polyolefin resin, 15-35 parts polyolefin elastomer, 10-25 parts filler and reinforcing agent, 0.3-1.5 parts light stabilizer, 0.2-0.8 parts antioxidant, and 0.5-2 parts processing aid. The addition of light stabilizer and antioxidant, and their synergistic effect, effectively prevents the photo-oxidation reaction and thermal oxidative degradation of polymer materials under ultraviolet radiation, significantly improving the UV aging resistance of the waterproof mesh film and reducing problems such as material performance deterioration, discoloration, fading, and decreased waterproof performance caused by long-term outdoor use. The waterproof mesh film of this invention exhibits significant advantages in flexibility and impact resistance, making it less prone to tearing and damage when facing harsh weather, frequent folding, or contact with sharp objects, thus extending its service life.

This invention discloses a method for establishing a carbon dioxide hydrate caprock on the seabed, belonging to the field of carbon dioxide sequestration technology. The method includes: establishing an injection well and a production well, both located in the seabed sedimentary layer, with the production well's opening above the injection well's opening; injecting liquid CO2 through the injection well; a portion of the injected liquid CO2 forms CO2 hydrate, while a portion migrates to the area where the production well's opening is located; extracting fluid through the production well at a pressure of 85%–115% of the CO2 gas-liquid equilibrium pressure under the temperature conditions in the production well's area, thus converting the liquid CO2 into gaseous CO2, enhancing CO2 hydrate formation, and obtaining a carbon dioxide hydrate caprock in the area where the production well's opening is located. This invention can enhance CO2 hydrate formation, obtain a carbon dioxide hydrate caprock, increase CO2 sequestration capacity, and reduce the risk of CO2 leakage.

The invention discloses a spraying disinfection treatment system for rabbit breeding, and belongs to the field of rabbit breeding, the spraying disinfection treatment system comprises a trolley, a medicine mixing barrel arranged on the trolley, a disinfection structure arranged on the medicine mixing barrel, and a mixing structure used for mixing water and medicine in the medicine mixing barrel; the mixing structure comprises an annular pipe sleeving the pesticide mixing barrel, communicating pipes fixedly inserted into the pesticide mixing barrel in an annular array manner and communicated with the annular pipe, bubble nozzles fixedly arranged at the ends, away from the annular pipe, of the communicating pipes and a pump body arranged on the trolley, the output end of the pump body is communicated with the annular pipe through a pipeline, and the input end of the pump body is connected with an air pipe. Through the bubble disturbance effect, the mixing efficiency of water and medicine in the medicine mixing barrel is remarkably improved, manual stirring is not needed, and the labor intensity is reduced. The complexity and the maintenance cost caused by a traditional stirring mechanism are avoided, the direct contact between a worker and the disinfectant is reduced, and the potential harm of a chemical agent to a human body is reduced.

The invention relates to the technical field of adhesive tapes, in particular to an anti-static adhesive tape for electronic materials and a preparation method of the anti-static adhesive tape. The prepared adhesive tape comprises a release film layer, an adhesive layer, an anti-static coating and a base material film layer from top to bottom. The anti-static coating is located between the base material film layer and the adhesive layer, and the base material film layer is bonded with the release film through the adhesive layer. Aiming at the special requirements of low adhesion and high anti-static performance of an electronic component on the protective film in the use process, accurate regulation and control of stripping force and surface resistance are realized by optimizing the ratio of a cross-linking agent to an anti-static agent in the adhesive layer; meanwhile, the problems that a traditional anti-static adhesive tape is too high in stripping force and sensitive elements are prone to being damaged are effectively solved, and the strict requirement of electronic materials for electrostatic protection is met.

The invention belongs to the field of shoe manufacturing, and particularly relates to an insole material, a preparation method thereof and a shoe. The preparation method comprises the following steps: molding a polymer material into an insole shape by adopting a molding process to obtain a sub-blank; placing the sub-blank in a high-pressure container, injecting supercritical gas into the high-pressure container, and filling the sub-blank to obtain a sub-blank filling material; and after filling is completed, pressure reduction is conducted on the high-pressure container, the supercritical gas is gradually recovered to be in a gaseous state and escapes from the filling sub-blank material so that the sub-blank can be foamed, the filling sub-blank material forms a micropore structure in the gas escaping process, curing is completed, and the insole material is obtained. By means of the technology, the performance of the shoe insole can be remarkably improved, including but not limited to improvement of the buffering performance, improvement of the rebound resilience and prolonging of the service life, meanwhile, light weight of the insole is achieved, and the environment-friendly requirement is met to a certain degree.

The utility model discloses an oil spraying device for tubular pile demoulding, which comprises a support frame, a lifting component is arranged in the support frame, a moving plate is arranged in the support frame through the lifting component, a U-shaped plate is fixedly mounted on the front side of the moving plate, a moving component is arranged at the top of the moving plate, and the U-shaped plate is fixedly mounted on the top of the moving plate. An L-shaped plate is arranged on the front side of the moving plate through a moving assembly, the L-shaped plate is in sliding connection with the U-shaped plate, a spraying assembly is arranged in the L-shaped plate, and an air draft filtering assembly is arranged on the front side of the L-shaped plate. Mist-shaped mold oil can be prevented from drifting into air through the U-shaped plate and the L-shaped plate, the mist-shaped mold oil in the cavity formed between the U-shaped plate and the L-shaped plate can be collected through the air draft filtering assembly, recycling of the mold oil is achieved through the measure, the production cost is reduced, meanwhile, disordered diffusion of the mold oil in a workshop is further prevented, and the mold oil recycling efficiency is improved. And the protection on the production environment is enhanced.

The invention discloses a high-tech technology and construction integrated system for stone surface dyeing and beautifying, and belongs to the technical field of stone maintenance and beautifying. According to the high-tech technology and construction integrated system for stone surface dyeing and beautifying, the attractiveness and durability of the stone surface are remarkably improved through the fine treatment step, the system adopts a multi-granularity water abrasive disc to precisely treat different roughness, the ideal dyeing effect is ensured, and the quality of the stone surface is improved. The problem that a traditional method cannot meet diversified requirements is solved, thorough cleaning of the stone surface is emphasized, the situation that the dyeing effect is affected due to incomplete cleaning is avoided, a dyeing agent free of heavy metal components is used, harm to the human body and the environment is reduced, uniform and lasting dyeing is guaranteed, color fading is effectively prevented through nano-particle color fixing, and the dyeing durability is prolonged. According to the system, high-tech materials and a fine process are combined, revolutionary improvement of stone surface dyeing and beautifying treatment is achieved, efficiency and attractiveness and durability are improved, and the modern high-standard requirement is met.

The invention discloses environment-friendly polytetrafluoroethylene and a preparation method thereof, and relates to the field of fluorine-containing polymers. The method comprises the following steps: adding an emulsifier solution, a stabilizer and deoxidized deionized water into a reaction kettle; introducing nitrogen and vacuumizing until the requirement is met; heating to a specified temperature, introducing a tetrafluoroethylene monomer to a set reaction pressure, adding a potassium persulfate solution to initiate a polymerization reaction, and continuously introducing tetrafluoroethylene during the period to maintain the reaction pressure; and when the solid content reaches 35-45%, stopping the reaction, recovering the unreacted tetrafluoroethylene monomer, and carrying out condensation, washing and drying to obtain the polytetrafluoroethylene resin. According to the method, the emulsifying performance is improved, environment-friendly substitution of PFOA is realized, and the polymerization process is optimized.