488results about How to "Will not pollute" patented technology

The invention relates to an oilfield underground slow-release scale and corrosion inhibitor and a production process thereof, and aims to solve the problems of scaling and corrosion caused by water injection in the oilfield exploitation process. According to the scale and corrosion inhibitor, various components such as the inorganic salt, the organic corrosion inhibitor and the natural plant extract are compounded, and a production process is combined, so that excellent properties such as long-acting slow release, efficient scale and corrosion inhibition, sterilization and algae removal, environmental protection and degradability are realized. The production process comprises the steps of raw material preparation, mixing reaction, melting homogenization, cooling forming, annealing treatment and the like, and stable performance and reliable quality of the scale and corrosion inhibitor are ensured by controlling process parameters of each step. The scale and corrosion inhibitor disclosed by the invention has obvious long-term effect, the workload of frequent addition and maintenance can be reduced, and the production cost is reduced; the environment-friendly and degradable characteristics meet the modern environment-friendly requirements, and the ecological environment can be protected. In addition, the scale and corrosion inhibitor has good adaptability and can adapt to different oil field geological conditions and fluid property differences.

The invention discloses a non-contact stirring dry method electrode material fibration method and a prepared pole piece. The principle that centrifugal force generated by autorotation and convection shear force caused by revolution are adopted, so that materials are uniformly mixed and fiberized by a'twisting 'and'pulling' force field generated under the condition of speed difference. The binder and the conductive agent are stirred and mixed for the first time in a non-contact mode, and the binder is coated with the conductive agent in advance; carrying out secondary non-contact stirring and mixing on the coated binder and the active substance particles to obtain a uniformly mixed pre-fibration material; carrying out uniform fibration treatment on the pre-fibration material, and then carrying out step-by-step hot pressing to obtain a dry-method electrode membrane; and performing hot-pressing compounding on the electrode film and a current collector containing a conductive agent to prepare the dry-method electrode plate. According to the non-contact stirring dry method electrode material fibration method, the length of a production line is shortened; the production cost is greatly reduced; the electrochemical performance is improved; and large-scale batch production can be realized.

The invention discloses a thermal visbreaking pressure-sensitive adhesive tape and a preparation method thereof.The adhesive tape comprises a release layer, a thermal visbreaking layer and a base material layer which are sequentially arranged in a stacked mode, and the thermal visbreaking layer is obtained by coating thermal visbreaking glue and then curing the thermal visbreaking glue; the heat-reduced adhesive comprises the following raw material components in parts by weight: 90-120 parts of acrylate copolymer resin, 5-15 parts of modified resin, 0.01-1 part of a curing agent, 2-10 parts of modified thermal expansion microspheres and 20-60 parts of a solvent. The modified thermal expansion microspheres are specially modified, so that the compatibility and weather resistance of the modified thermal expansion microspheres in an acrylate pressure-sensitive adhesive can be improved, and the thermal viscosity-reducing adhesive prepared by adding the modified thermal expansion microspheres into an acrylate copolymer resin has excellent normal-temperature adhesive force which is not inferior to normal adhesive tape adhesion; and after the adhesive tape particles are expanded at a proper temperature, controllable viscosity reduction and even viscosity loss requirements can be met, and no residual adhesive is generated on the surface of an adhered object.

The utility model relates to the technical field of range hoods, and discloses an air purification module and a range hood with the air purification module. The telescopic panel assembly is connected into the telescopic inner cavity in a sliding mode; the air curtain assembly is arranged in the mounting cavity of the telescopic panel assembly, and the air outlet side of the air curtain assembly faces the air curtain exhaust outlet; the negative ion generator is arranged on the air outlet side of the air curtain assembly; the driving module is arranged in the telescopic inner cavity, and the driving module is connected with the telescopic panel assembly and the negative ion generator; compared with the prior art, negative ions generated by the air purification module and the negative ion generator are diffused downwards under the action of air of the air curtain, the diffusion range covers the position corresponding to the mouth and the nose of a user, when oil smoke escapes outwards, the oil smoke is blocked by the air curtain firstly, and when part of the oil smoke penetrates through the air curtain, the oil smoke is purified by the negative ions in the air curtain; the user inhales the air purified by the negative ions, the health of the user is not affected, and the air is disturbed and diffused by the user and does not pollute the wall of a kitchen.

The utility model discloses a die water cooling circulation structure, which relates to the technical field of stamping dies, and comprises a punch rod body, and a cooling cavity is arranged in the punch rod body. The cooling cavity formed in the punch rod body is matched with the adapter and the stainless steel cooling pipe, heat absorption circulation of cooling liquid in the punch rod body can be achieved, the area of the inner wall of the formed cooling cavity is large, the heat conduction efficiency between the cooling liquid and the punch rod body can be effectively improved, the cooling speed is increased, and the service life of the punch rod is prolonged. The cooling temperature of the punch rod body and the female die can be controlled between 15 DEG C and 20 DEG C, the service life of the punch rod body and the female die is greatly prolonged, the cooling liquid is not in contact with the outer surface of the punch rod body, so that the cooling liquid is not polluted, the cooling liquid does not need to be filtered in the subsequent recycling process, and the service life of the punch rod body and the female die is prolonged. The production cost is greatly reduced, and the recycling frequency of the cooling liquid is improved.

The utility model discloses a spray type fire extinguishing demonstration system with anti-pollution and automatic recovery functions, which comprises a control cabinet, two fire extinguishing agent bottles, a gas supply header pipe, two driving gas bottles, a transparent demonstration box and a fire extinguishing agent recovery device, outlets of the electromagnetic valves of the two driving gas cylinders are connected with a first braking gas pipe and a second braking gas pipe; two demonstration grids communicated with the two gas supply branch pipes respectively are arranged in the transparent demonstration box, spray heads are arranged in the two demonstration grids, long-handle igniters are arranged below the spray heads, and temperature sensors electrically connected with the electromagnetic valves are arranged in the demonstration grids. The utility model belongs to the technical field of safety training demonstration equipment, ignition and fire extinguishing tests are carried out in the transparent demonstration box, air in a training room cannot be polluted, and a fire extinguishing agent recovery device is arranged to recycle a fire extinguishing agent.

The invention relates to the technical field of food packaging, in particular to an antibacterial fresh-keeping packaging film for food packaging and a preparation method of the antibacterial fresh-keeping packaging film, and aims at solving the problems that a traditional food packaging film is insufficient in antibacterial performance and not ideal in fresh-keeping effect. According to the preparation method, polyethylene resin and polylactic resin are taken as main raw materials, so that the packaging film is endowed with excellent mechanical property and barrier property, the oxidation process of food can be slowed down, the damage of oxygen to the food is reduced, the loss of nutritional ingredients in the food is prevented, and the freshness and nutritional ingredients of the food can be effectively kept; the modified nano-silver particles are added into the food, so that the growth and metabolic activities of microorganisms such as various bacteria and molds can be effectively inhibited, the risk that the food is polluted by the microorganisms is remarkably reduced, the deterioration of the food due to microbial decomposition is avoided, and the food quality is improved. Therefore, the quality and taste of the food are better maintained, and the shelf life of the food is prolonged.

The invention discloses a preparation method of electronic-grade high-purity manganese metal, which comprises the following steps: taking 99.8% manganese metal as an anode in an electrolytic bath, additionally arranging an ion diaphragm bag on the anode, taking a titanium plate as a cathode, and taking a manganese nitrate solution purified and adsorbed by alpha-manganese dioxide and chelating resin containing iminodiacetic acid group as an electrolyte. The method effectively avoids pollution of non-metal impurities and metal impurities, and has the technical advantage of high purity of the obtained manganese metal.

The utility model relates to a top cover assembly, a battery and an electric device. The top cover assembly comprises a top cover piece, an insulating piece, a pole, an adapter piece and an injection molding piece, the pole penetrates through the pole mounting hole of the top cover plate and the pole avoiding hole of the insulating part, and a first gap and a second gap which are communicated with each other are formed between the pole and the hole wall of the pole; the switching piece comprises a pole connecting part, the pole connecting part covers the pole avoiding hole and is provided with a pole welding area and a through hole, and the through hole is communicated with the second gap; the injection molding part comprises a filling part and a coating part, the coating part covers the pole welding area and the through hole, the filling part is filled in the first gap, the second gap and the through hole, and the coating part is connected with the filling part; according to the utility model, the pole and the top cover plate pass through the injection molding part through the injection molding part, and the welding area of the pole is coated by the injection molding part, so that the battery cell cannot be polluted even if the welding flux cracks, and the safety of the battery and the electric device is better.

A low radon radioactivity high temperature high purity inert gas purifier comprises a heat exchanger, a branch pipe, and an outlet pipe, a main pipe and an inlet pipe connected in sequence; the branch pipe connects the outlet pipe and the inlet pipe of the heat exchanger on the cold side, so that after the gas to be purified passes through the main pipe, the outlet pipe outputs the purified gas to the inlet pipe on the hot side of the heat exchanger; the heat exchanger allows the gas to be purified to fully absorb the heat of the purified gas and cool the purified gas to a safe temperature; the main pipe is filled with high purity metal fillers. The present invention utilizes low radioactive high purity metals such as zirconium, hafnium, iron, vanadium, titanium, copper, etc., which are smelted by electron beam or electrolytically refined, to react with nitrogen, hydrogen, oxygen and other elements in high purity inert gas at above 600°C to generate solid compounds, thereby achieving the purification of high purity inert gas, and the purification effect of high purity inert gas is good, and less radon gas is released, which can meet the high speed and high purity purification requirements of target materials such as argon and xenon in rare case experiments, and can also solve the availability of knife edge flanges under high temperature conditions. And the packing can be easily replaced after the packing service life ends.

The invention discloses an aerogel fire extinguishing agent and a preparation method thereof, and the aerogel fire extinguishing agent comprises the following components by mass: 2-10 parts of inorganic aerogel powder, 3-5 parts of a fluorocarbon surfactant, 4-6 parts of a hydrocarbon surfactant, 6-8 parts of a foaming agent, 4-10 parts of a lithium ion battery flame retardant, 8-13 parts of an organic solvent, 1-10 parts of an antifreeze agent, 0.05-1 part of a foam stabilizer, and the balance of water. The obtained aerogel fire extinguishing agent has high viscosity, when the aerogel fire extinguishing agent is sprayed on the lithium ion battery, a gas-liquid-solid three-phase isolation layer can be rapidly formed, the three-phase isolation layer adheres to the surface of the battery, oxygen is isolated, fire disasters can be rapidly extinguished, and meanwhile reburning is restrained.

The utility model discloses a hydrochloric acid ammonia gas corrosion test case relates to test case technical field, including test case main part, support seat, waste gas treatment tank, support seat top both sides are connected with test case main part and waste gas treatment tank respectively. The utility model discloses a ammonia gas injection pipe and hydrochloric acid injection pipe inject proper amount of ammonia gas and hydrochloric acid gas into test case main part, wherein the hydrochloric acid conduit and ammonia gas exhaust pipe correspondingly connected of ammonia gas injection pipe and hydrochloric acid injection pipe are upside down distribution in test case main part, are favorable to the full mixing of hydrochloric acid gas and the ammonia gas below, form even corrosive gas environment, this can ensure that the corrosion effect that each part in test case receives is more consistent, thereby obtains accurate test result, wherein the test case main part inner wall has been daubed anticorrosive layer coating), can effectively prevent the corrosion of hydrochloric acid and ammonia gas to test case main part inner wall.

The invention discloses a treatment process for realizing recycling and harmless reutilization of kitchen garbage, and relates to the technical field of kitchen garbage treatment.The treatment process comprises the following steps that kitchen garbage is subjected to separation treatment, specifically, the collected kitchen garbage is concentrated in a separation device; solid kitchen garbage and liquid kitchen garbage in the kitchen garbage are separated through the separation device, and during separation, the kitchen garbage is subjected to centrifugal treatment through the separation device. According to the method, the organic fertilizer is prepared from the solid garbage in a fermentation mode, then oil liquid in the liquid garbage is separated from sewage, and the separated oil liquid is used as a raw material of the biodiesel, so that recycling of resources is achieved, soil pollution caused by the oil liquid after direct landfill is prevented, and the environment is protected. And finally, the sewage is treated through anaerobic treatment and biological treatment, organic matters in the sewage are removed as far as possible, the environmental pollution caused by sewage discharge is prevented, and harmless recycling of resources is realized through classified treatment of the kitchen garbage.

The utility model relates to the technical field of micro-heat drying machines, and discloses a carbon dioxide micro-heat drying machine which comprises a bottom frame, a limiting sliding device is arranged at the top of the bottom frame, and a heat adsorption treatment device is arranged at the top of the bottom frame. The heat adsorption treatment device comprises an adsorption tower, a heater, a feeding pipe, a cooler, a gas input pipe, a gas discharge pipe, a hollow treatment box, a supporting bottom frame, a U-shaped sliding plate, a filter plate, a pull handle and a discharge pipe. According to the carbon dioxide micro-heat suction dryer, the heat adsorption treatment device and the heater are arranged to provide micro heat, moisture in an adsorbent is desorbed, then the adsorbent is cooled through the cooler, the adsorption capacity of the adsorbent is recovered, treatment can be carried out, then secondary adsorption treatment is carried out through an internal filter plate, and clean gas is discharged through a discharge pipe; the device can be provided with an assembly for filtering gas introduced in the heat absorption process, and the environment cannot be polluted when the gas is exhausted.

The invention discloses a heat-resistant and insulating EPDM rubber compound, comprising the following raw materials in parts by weight: 100-125 parts of EPDM rubber, 8-10 parts of maleic anhydride, 0.5-0.6 parts of initiator, 4-5 parts of zinc oxide, 1-2 parts of stearic acid, 5-6 parts of modified POSS, 4-5 parts of reinforcing agent, 0.5-1 parts of sulfur, 4-4.5 parts of vulcanizing agent, 0.5-0.7 parts of vulcanization accelerator, 6-8 parts of tackifier, 50-60 parts of filler and 40-50 parts of plasticizer. EPDM rubber is resistant to low temperature and has excellent insulation. Modified POSS introduces DOPO structure, maleimide structure and urea structure to enhance the high temperature resistance, flame retardancy and mechanical properties of the rubber compound. The reinforcing agent contains mercaptobenzimidazole structure, aniline structure and carbon nanotubes to improve the metal corrosion resistance, thermal oxidation aging resistance, mechanical properties and wear resistance of the rubber compound.

The integrated storage and transportation box comprises a storage and transportation box upper cover and a storage and transportation box body, the storage and transportation box upper cover and the storage and transportation box body are detachably installed, the storage and transportation box upper cover comprises a storage and transportation box upper cover body, protruding blocks are arranged in the front side and the rear side of the storage and transportation box upper cover body, and a plurality of first hollowed-out holes are formed in the left side of the storage and transportation box upper cover body; a plurality of first fixing columns are arranged on the right side of the storage and transportation box upper cover body, and wafer ruler plates distributed in parallel are arranged at the bottom of the storage and transportation box upper cover body. The wafer box and the storage and transportation box are of an integrated structure, so that the cost of an enterprise is greatly reduced; the wafer box and the storage and transportation box are of an integrated structure, and the wafer ruler plate and the groove tooth plate in the wafer box and the storage and transportation box are of a smooth structure, so that wafers cannot be damaged during transportation; the friction between the storage and transportation box upper cover and the storage and transportation box is outside the box, and particles generated by plastic part assembly cannot fall into the box to pollute wafers.

The utility model discloses a replaceable double-layer vacuum packaging bottle which is composed of a main product cover cap, a pressing cap, a shoulder sleeve, an outer bottle, a pump core and a replaceable core assembly, and the replaceable core assembly comprises an inner bottle, a bottom cover, a piston and an inner plug. The replaceable core assembly is detachably arranged in the outer bottle, external threads of an opening in the upper end of the inner bottle are matched and screwed with shoulder sleeve internal threads of the shoulder sleeve, the tail of the pump core is inserted into the inner plug, and the tail of the pump core is in interference fit with a silica gel plug in the inner plug. According to the replaceable double-layer vacuum packaging bottle, the replaceable core part does not comprise a pump core, so that the discarded part is lower in cost and more environmentally friendly; the replacement operation is simple and convenient, the independent replacement core is not only in a sealed vacuum state, but also in the replacement process, the material body is not polluted; according to the packing material, the use amount of plastic can be greatly reduced, the environmental pollution is reduced, and the packing material is more environment-friendly.

The present invention discloses a large vehicle anti-collision device, which relates to the field of vehicle protection, including an anti-collision seat, a buffer box and an anti-collision frame; the buffer box includes an anti-collision plate, a bearing tube and a sliding plate; a partition is provided in the middle of the bearing tube, the right side of the partition is connected to the sliding plate, the upper side of the partition is a cavity, and the lower side of the partition is a water cavity; a water pipe is fixed on the sliding plate; a plurality of positioning grooves are provided on the anti-collision seat, and a positioning rod is fixed horizontally in the positioning groove; an anti-collision strip is provided on the left side of the positioning rod; a limiting ring is provided in the middle of the outer peripheral side of the bearing tube, and a plurality of first springs are provided on the right end face of the limiting ring; a telescopic mechanism is provided on the right end face of the bearing tube. The anti-collision performance of the device is improved by providing the anti-collision seat, the buffer box and the anti-collision frame; the energy generated by the collision can be absorbed by providing the water cavity, the water pipe and the positioning rod; the first spring and the telescopic mechanism are used to buffer the impact force on the anti-collision seat and the buffer box, and the limiting ring is used to limit the buffer box when it is reset after the collision.

The utility model discloses a nitric acid preparation device for simulating an early atmospheric photochemical reaction of the earth. The nitric acid preparation device comprises an ultraviolet photochemical reaction system, a reaction gas source feeding system, a water vapor generator and a nitric acid freezing collector, the ultraviolet photochemical reaction system comprises an ultraviolet light source and a reaction chamber, and the ultraviolet light source is used for providing ultraviolet light required by reaction into the reaction chamber; the reaction gas source supply system is communicated with the reaction chamber and is used for supplying gas required for generating nitric acid through ultraviolet light chemical reaction into the reaction chamber; the water vapor generator is used for providing water vapor for the reaction chamber; the water vapor generator is connected with the reaction chamber; the nitric acid freezing collector is connected with the reaction chamber and is used for collecting nitric acid generated by photochemical reaction in the reaction chamber. The utility model realizes the preparation of nitric acid by simulating the early atmospheric photochemical reaction of the earth.

The utility model provides a waterproof and drop-resistant express bag convenient for secondary use. The waterproof and drop-resistant express bag comprises a paper bag body with a bag opening and a tongue opening used for sealing the bag opening, folding handles which can be movably turned out of a bag opening are arranged on the two sides in the paper bag body; the section of the paper bag body sequentially comprises a first functional layer, a paper base material layer and a second functional layer from inside to outside, and the second functional layer is a waterproof layer. The express bag has the advantages that the paper base material layer is matched with the second functional layer, so that the waterproof and anti-falling performance of the express bag can be effectively improved, and the express bag is not prone to being abraded and damaged in the transportation process or in cloudy and rainy days; and meanwhile, after the bag opening is opened to take out the express, the folding handle can be turned out of the bag opening to form a hand bag, so that secondary use of the express bag can be well realized, and resource waste is avoided.

The utility model provides a maintenance platform convenient to adjust position, which relates to the technical field of maintenance platforms, and comprises a maintenance platform, the bottom of the maintenance platform is fixedly connected with a plurality of limiting rods, two fixed bases are arranged below the maintenance platform, two limiting grooves are formed in the top of each fixed base, and the limiting rods are fixedly connected with the limiting grooves. A two-way lead screw is arranged between the two fixed bases, and the outer ring of the two-way lead screw is sleeved with two threaded sleeves. According to the utility model, when the maintenance platform is adjusted to a proper height, an operator can more conveniently approach and operate a maintenance object and conveniently see details and structures of the maintenance object clearly, so that the time wasted by adjusting the object or the position of the operator is reduced; in addition, the maintenance platform with the appropriate height can also enable operators to keep better sight and comfort in the maintenance process, the maintenance accuracy and quality of the operators are guaranteed, and therefore work can be completed more quickly.

The invention belongs to the technical field of chip testing, and particularly discloses a chip testing notch, a chip testing device and a chip testing system, and the chip testing notch, the chip testing device and the chip testing system are used for allowing a chip testing clamp to be inserted to test a chip. The test plate is arranged above the heating plate, a test station for accommodating the chip test clamp is formed between the test plate and the heating plate, and at least one reed is arranged at the position, opposite to the test station, of the test plate; wherein when the chip test fixture is placed at the test station, the reed is elastically crimped on a test contact on the upper surface of the chip test fixture. The chip test fixture can solve the problem that the probe is easy to damage when the current chip test fixture is plugged in and pulled out of the drawer, and is suitable for automatic aging test, so that the aging test efficiency is improved, and the safety and reliability of the test process are guaranteed.

The invention discloses a production method of a variable multicolor carbon dioxide concentration indicator, and belongs to the field of carbon dioxide detection.The production method comprises the steps that carbon dioxide with the purity of 95% is introduced and stirred, the initial reaction performance of the carbon dioxide indicator is improved, and a composite indicator is added to improve the color changing interval; the added sodium chloride is beneficial to improving the color changing effect under the low-temperature condition, the added glycerol is beneficial to improving the high-temperature use performance, reducing volatilization and improving the stability, and after being packaged in a high-breathability and high-strength packaging material, an effective color changing effect can be achieved, deliquescence and influence or pollution to surrounding products are not prone to occurring, the excellent color changing effect can be achieved under the low-temperature condition, and the service life of the product is prolonged. The carbon dioxide indicator is blue under the carbon dioxide concentration of 0-10%, purple under the carbon dioxide concentration of 10%-20%, green under the carbon dioxide concentration of 20%-50%, yellow under the carbon dioxide concentration of 50%-90% and red under the carbon dioxide concentration of 90%-100%, and has more excellent utilization value and economic value.

The present application relates to the technical field of fertilizer, in particular to an organic leaf fertilizer and a production method thereof.The present application solves the problems of poor fertilizer efficiency and easy damage to soil structure.The present application improves the soil organic matter content of the organic leaf fertilizer by changing the dosage of kelp, the temperature and time of ultrasonic and the dosage of kelp extract; improves the relative content of plant chlorophyll of the organic leaf fertilizer by changing the dosage of earthworms, trypsin and amino acid extract; improves the soil porosity of the organic leaf fertilizer and reduces the soil bulk density by changing the dosage of shrimp shells, the temperature of removing protein and the dosage of chitosan extract; increases the plant leaf thickness of the organic leaf fertilizer by changing the dosage of straw and the dosage of cellulose extract; and improves the fertilizer utilization rate of the organic leaf fertilizer by changing the temperature and time of stirring and the time of emulsification and grinding.

The utility model relates to the technical field of concrete pouring, in particular to a pouring mold for a track precast slab, which comprises a pouring cavity, a slurry outlet arranged below the pouring cavity, a conveying pipeline connected with the slurry outlet, and a first conveying pipe vertically arranged at the lower end of the slurry outlet and a second conveying pipe horizontally arranged. The first throttling part is connected with the first conveying pipe, is close to one side of the slurry outlet, and comprises a double-open butterfly valve arranged in the first conveying pipe; the slurry storage chamber is connected with the lower portion of the second conveying pipe, is close to the first conveying pipe and comprises a slurry storage cavity formed in the lower portion of the second conveying pipe and a slurry flowing opening communicated with the lower portion of the second conveying pipe. The second throttling part is connected with the second conveying pipe and located on the side close to the slurry output port. The second throttling part comprises a rotary throttling plate arranged in the second conveying pipe. According to the utility model, the two throttling parts and the slurry storage chamber are arranged to cut off slurry, so that the sealing performance is improved, and slurry leakage is avoided.

The invention relates to the field of interior wall putty, and particularly discloses flame-retardant environment-friendly interior wall putty. The adhesive is prepared from the following raw materials in parts by mass: 10 to 20 parts of oxidized starch, 10 to 20 parts of guar gum, 10 to 15 parts of special adhesive powder for putty, 5 to 7 parts of carboxyl-terminated hyperbranched polyester, 1 to 3 parts of chitosan, 3 to 5 parts of graphene oxide, 3 to 5 parts of hydroxypropyl methyl cellulose ether, 3 to 5 parts of starch, 1 to 3 parts of sodium stearate, 1 to 3 parts of sodium hexametaphosphate, 1 to 3 parts of water glass, 1 to 3 parts of borate and 1 to 3 parts of nano antimony trioxide. 1-5 parts of coarse whiting, 1-3 parts of acetic acid aqueous solution with the mass fraction of 8-12%, 1-3 parts of ethanol, 1-3 parts of glycerol and 0.1-0.3 part of preservative. The invention also discloses a preparation method of the flame-retardant environment-friendly interior wall putty. The natural material guar gum is adopted and has a synergistic effect with various materials, so that the stability and flame retardance of a system are effectively enhanced.

This invention relates to the fields of optical fiber communication networks, digital information transmission, optical fiber broadband operation services, next-generation information networks, network resource management, IoT sensing, and industrial internet operation and maintenance technologies, and particularly to an intelligent management method and system for optical fiber communication cabling. The method establishes a formal cabling resource model, a shadow cabling buffer, and a conflict sampling strategy table. After a change in the plugging status of an optical fiber cabling port, it collects port status data, jumper end identification data, optical link quality data, and service resource constraint data to generate an initial cabling evidence set and establish a shadow cabling relationship. When the identification, link, time, and resource evidence are inconsistent, an evidence conflict type is generated. Secondary verification data is collected according to the corresponding secondary sampling path, and the credibility level is reconstructed to generate a credible cabling result, a cabling result pending verification, or a conflict cabling result. These results are then written into the formal cabling resource model or the corresponding status is frozen to improve the accuracy of optical fiber cabling resource management.

The utility model belongs to solid waste base cementitious material processing technical field, specifically disclose a kind of solid waste base cementitious material powder grinding device, including bottom plate, the bottom plate upper end one side is connected with first support plate, first support plate one side upper portion is connected with feed pipe, feed pipe one end is extended to first support plate one side, first support plate is opened with rolling mouth at the place corresponding feed pipe, feed pipe is located inside rotation of rolling mouth, the outer wall one side of feed pipe is connected with stabilizing plate, stabilizing plate one side is connected with outer tube, the utility model is structured design by double layer powder grinding, strong magnetic iron removal, convenient cleaning etc., realize that powder grinding efficiency and quality promotion, iron impurity efficient removal, maintenance convenient and cost reduction, and structure stable adaptability is strong.

The invention relates to the technical field of construction engineering foundation treatment, in particular to a foundation structure based on a high-saturation brine crystallization technology and a construction method of the foundation structure. The foundation structure comprises a basic primary salt rock bearing layer, a bottom framework cementing layer and a surface sand gravel compensation layer. As the magmatic rocks are very hard, high in density and enough in salt lake chemical environment resistance, the magmatic rocks are directly put into a hypersalinity brine area to form a rigid framework, framework building-in, gap filling and overall cementing are achieved through natural crystallization of salt lake hypersalinity brine, and a core rigid framework of the foundation is formed; the structure can be connected with a primary salt rock bearing layer of a lower foundation to form a stress transmission system, can resist soaking erosion caused by conventional fluctuation of the brine water level, has anti-floating and anti-seepage dual performance, can improve the foundation bearing capacity and the anti-settling capacity, and enables a building newly built on a salt lake to be more stable. Meanwhile, the magmatic rocks are natural materials, so that the salt lake environment is not polluted, and the environmental protection property is good.

The invention relates to the technical field of agricultural instruments, and discloses a rice threshing device convenient to clean, which comprises a frame body, a threshing bin arranged on the frame body and a storage box arranged below the threshing bin, the threshing bin comprises a box body, a bin cover is movably arranged on the box body, a feeding port is formed in the front wall of the box body, and a waste outlet is formed in the rear wall of the box body. A screen is arranged at the bottom of the box body; a roller is movably arranged in the box body, and a rotating wheel connected with the roller is arranged on the outer side of the box body; a gasoline rotating device is arranged on the side face of the box body and connected with the rotating wheel. The roller comprises a rotating shaft connected with the rotating wheel, the two ends of the rotating shaft are arranged on the box body, at least two round covers are arranged on the rotating shaft, at least two connecting rods are arranged on the round covers in a penetrating mode, and a plurality of protruding teeth are arranged on the connecting rods. Through holes are symmetrically formed in the tops of the side walls of the storage box. The device not only improves the threshing efficiency of rice and reduces the complexity of manual operation, but also makes an important contribution to the guarantee of seed purity.