98results about How to "Guaranteed long-term" patented technology

The invention relates to an antistatic automobile glass cleaning agent. On the basis of maintaining and enhancing the basis cleaning capability, a functional component is added, therefore, the invention enables the glass surface to have the properties of recontamination resistance, fast dryness, fog resistance, hydrophilicity, no trace after cleaning, and the like, and has the advantages of no toxicity, environment protection, corrosion resistance and the like.

The invention relates to antibacterial fiber having a core-skin structure, wherein a skin layer is a low-melting point polymer, a core layer is a high-melting point polymer, the core layer and the skin layer are composited through a two-component spinneret assembly, the low melting point polymer body of the skin layer contains a graphene antibacterial composition, the graphene antibacterial composition takes modified porous graphene as a skeletal material, the graphene antibacterial composition is loaded at an aperture or in a surface layer of the modified porous graphene, the graphene antibacterial composition comprises the following components in parts by mass: 20-70% of the modified porous graphene, 20-80% of an antibacterial plant extract, and 1-5% of organic rare earth salt. The antibacterial fiber is subjected to metering, carding and thermoforming composite to form an antibacterial non-woven cloth used for a surface layer of a disposable moisture-absorption product. The antibacterial fiber and the antibacterial non-woven cloth has no stimulation on skin of human body, and have excellent antibacterial property, the antibacterial property is slowly released and stable, and thepersistence of washing resistance and effects of bacteriostasis and deodorizing can be guaranteed.

The invention discloses a water-keeping method for a backfill soil layer used in recovering green for a waste mine or a re-cultivating filling type land. The method comprises: determining bottom elevation of a seepage-proof layer according to the terrain of the areas to be recovered green in the waste mine, determining top elevation of a planting layer according to requirement of terrain design, and determining thicknesses of the planting layer and a water-keeping layer according to types of vegetation to be planted; and filling a solid waste foundation, a rigid seepage-proof layer, a plastic seepage-proof layer, the water-keeping layer and a planting soil layer from top down in turn. As the design of the water-keeping layer is adopted, after survival of the vegetation, only less water even no water is needed to meet the demand of moisture by the vegetation, so the method ensures long-term effect of biological recovery and is suitable for recovering green of waste mines in arid regions and semi-arid areas. Whether the solid waste foundation is filled stably or not does not influence the effect of water keeping so as to save time for the construction. The water-keeping method is simple and easy to construct, can increase water keeping space and effect, and can greatly reduce use of soil for planting.

The invention relates to a preparation method of self-fragrance natural antibacterial and deodorizing fiber. The preparation method comprises the following steps of (1) preparing a fragrance slow release body; (2) preparing a natural antibacterial composition; (3) preparing fragrance natural antibacterial and deodorizing master batches; (4) preparing self-fragrance natural deodorizing fiber, wherein the prepared self-fragrance natural antibacterial and deodorizing fiber is of a skin-core structure including a core layer and a skin layer; the core layer is a high-melting-point polymer; the skin layer is a low-melting-point polymer; a high-molting point polymer body of the core layer comprises the fragrance slow-release bodies and the natural antibacterial compositions. The fiber provided by the invention has no irritation on the human body skin, has the permanent antibacterial performance, can inhibit the bacterium invasion and breeding, and has high absorption rate on ammonia and very excellent antibacterial mouldproof and deodorization effects; the characteristics of uniform fragrance release and long fragrance maintaining time are realized; the product added value is high; the application market prospects are wide.

The invention discloses a drain-type pipe piece for tunnel lining. The drain-type pipe piece comprises a reinforced concrete pipe piece (1), a slurry injection hole (or a hoist hole) (1a) in the pipe piece (1), a load bearing steel bar (1b), and a concrete protective layer (1c) on the outer side; a water stop rubber block (2) capable of being expanded when being in contact with water is preburied in the concrete protective layer (1c) right opposite to one or two slurry injection holes (1a) of the pipe piece (1); a self-advancing type hollow anchor rod (3) is inserted in the slurry injection holes (or the hoist hole) (1a) of the pipe piece (1), then penetrates the water stop rubber block (2), and shoots out of the concrete protective layer (1c); and drain holes (3a) are formed in the rod wall of the outer end of the self-advancing type hollow anchor rod (3), and a filter column (4) used for filtering sand is plugged in the inner cavity of the self-advancing type hollow anchor rod (3). Lining built with the pipe pieces has a reliable drain function, and can reduce water pressure around the structure to ensure tunnel safety; and construction is convenient, small damage is caused to the pipe piece lining structure, and construction cost of the pipe piece lining is low.

The invention discloses a plasma ignition and combustion stabilization device for IGBT (insulated gate bipolar transistor) rectification power supply. The plasma ignition and combustion stabilization device for the IGBT rectification power supply comprises a collision type pulverized coal concentration fractional combustion pulverized coal burner and a plasma spray gun, wherein the plasma spray gun generates high-temperature flame at the temperature of about 4000DEG C to ignite pulverized coal in an inner-layer combustion chamber of the pulverized coal burner; heat released from the burning of the pulverized coal in the inner-layer combustion chamber then ignites pulverized coal in an outer-layer combustion chamber to realize the stable combustion of pulverized coal flame; the collision type pulverized coal concentration fractional combustion pulverized coal burner comprises a primary air dust inlet, a straight pipe section, a taper pipe section, an outer nozzle, a collision concentration block, a collision concentration ring, the inner-layer combustion chamber, the outer-layer combustion chamber, an inner-layer combustion chamber disturbance block, an outer-layer combustion chamber rear disturbance block and an outer-layer combustion chamber front disturbance block; and the plasma spray gun comprises a cathode, a magnetic field coil, a spiral air chamber, an anode, a nozzle and a gun body. The plasma ignition and combustion stabilization device for the IGBT rectification power supply is applied to the starting ignition and the combustion stabilization stage of a pulverized coal fired boiler to replace the traditional big oil gun ignition and combustion stabilization mode, coal is used for replacing oil, and therefore the purpose of saving cost is achieved.

The invention discloses an anchoring method applicable to a large-tonnage (larger than 50 tones) FRP inhaul cable. The FRP inhaul cable is anchored with a clamping piece type anchorage device, a protection transition layer with the length no smaller than the length of an anchoring area of the clamping piece type anchorage device is formed at the anchoring end of the FRP inhaul cable, the protection transition layer and the FRP inhaul cable are integrated, and the clamping piece type anchorage device is anchored to the protection transition layer. After the FRP inhaul cable and the protecting layer are pressed into a whole, while the shearing strength of the FRP inhaul cable and a protecting layer interface is increased, the phenomenon that the FRP inhaul cable weak in transverse strength makes direct contact with load transmitting mediums large in rigidity in the anchoring area can be avoided, a stressed buffering layer is formed, and the FRP inhaul cable can be indirectly protected. The anchoring method used for anchoring the FRP inhaul cable has the advantages of facilitating construction and being high in anchoring efficiency and the like, long-term performance of an anchoring system can be guaranteed, the method can also be used for tensile tests on the FRP inhaul cable, samples can be prepared easily and conveniently, and compared with an adhesive type anchoring method, test errors caused by overlarge shearing deformation of resin can be avoided.

The invention relates to an essential oil patch and a manufacturing method thereof. The essential oil patch sequentially comprises a silicon oil paper layer, an essential oil storage layer, a binding layer and a self-heating layer, wherein the essential oil storage layer is used for storing essential oil in a quantitative mode; the binding layer is used for binding; and the self-heating layer is used for taking a heat-insulation effect. The essential oil patch disclosed by the invention can achieve the quantitative release of the essential oil and can keep a lasting effect; and the essential oil patch is conductive to the implementation of various self-help moxibustion therapies, SPA and the like.

The invention discloses an in-situ scanning device. The in-situ scanning device comprises a scanning device body and a connecting rod, wherein the scanning device body comprises a guide part and a scanning part. The in-situ scanning device also comprises a control system which is arranged in the in-situ scanning device body, wherein the control system comprises a central processing unit and a motor driving module; the central processing unit is used for data processing in the control system and control of each component; the motor driving module is used for driving a motor in a rotation speed corresponding to a required resolution. Moreover the control system also comprises a linear array sensitive sensor, linear array data cache, area array data catch, and a time sequence control module. According to the in-situ scanning device, pattern data of cylindrical inner walls of various objects to be measured can be continuously acquired, is subjected to primary processing and storage and is subjected to data exchange with other terminals, so that in-situ scanning measurement for a plant root system in soil under a field environment is realized; the in-situ scanning device can also be used for researching mire, rock, soil, geology and the like.

Belonging to the technical field of building materials, the invention provides a high fly ash and coal gangue dry mixed guniting material for underground anchor net support to solve the problems of difficult control of proportion, great operation arbitrariness, high rebound rate, poor cohesiveness, large dust pollution and the like in existing guniting material on-site blending. The high fly ash and coal gangue dry mixed guniting material is composed of the following raw materials: 800-1800 parts of fly ash, 800-1800 parts of coal gangue, 50-200 parts of cement, 50-150 parts of slag powder, 5-10 parts of silica, 30-100 parts of silica fume, 5-10 parts of a naphthalene water reducer, and 0.1-0.3 part of polypropylene fiber. The guniting material provided by the invention solves the problems of waste of resources and environmental pollution, reduces the production cost and protects environment. The number of underground operation workers and mixing equipment are reduced, the labor intensity is reduced, and the safety factor is enhanced. The material has strong adhesive force, few rebound material, high cohesiveness, and high support strength, avoids waste of a large number of floor materials, improves the benefits, saves manpower, and achieves a storage life of 2-3 years without deterioration.

The invention discloses a cellular foam thermal-insulation material for fireproof walls, which comprises components, by weight ratio, 30 to 80 of sulphur aluminum cement, 15 to 30 of coal ash, 35 to 55 of water, 2 to 8 of hydrogen peroxide, 0.2 to 0.91 of stearin hard calcium, 0.1 to 1.39 of calcium powder and 0.5 to 2 of low-alkali glass fiber. The thermal-insulation material is an inorganic thermal-insulation material, thereby being small in appearance density and low in heat conductivity coefficient and having the advantages of being thermal-insulation, noncombustible, low in waste absorption rate and the like. Industrial waste is converted into benefits, so that the thermal-insulation material is a novel wall body material with high social benefits and economic benefits.

The invention relates to the field of dust removers, provides a vibrating and backflushing integrated bag type dust remover, and aims to reduce dust attachment and enable equipment to operate for a long time. The vibrating and backflushing integrated bag type dust remover comprises a shell, a filter bag, a mechanical vibrating device and a gas distribution structure, wherein a dust-containing gas inlet is formed in the lower part of the shell; a purified gas outlet is formed in the upper part of the shell; a pulse backflushing device is also arranged in the shell; a backflushing pipe of the pulse backflushing device corresponds to the purified gas outlet; the pulse backflushing device comprises a pulse controller, an electromagnetic valve, the backflushing pipe and a gas pocket; the pulse controller is connected with the electromagnetic valve; the backflushing pipe is connected with the gas pocket; and the electromagnetic valve is arranged on a connection pipeline between the backflushing pipe and the gas pocket. By the vibrating and backflushing integrated bag type dust remover, mechanical vibrating and pulse backflushing is integrated, so that accumulated dust on the surface of the filter bag can be cleared away, the operation resistance of the equipment is reduced, and the production capacity of the equipment is improved.

The invention discloses a water cooling jacket incineration device and method for processing salt-containing waste liquid and waste gas. The device comprises a combustion-supporting combustor (10), anincineration furnace (20), a waste liquid spraying device (30), a waste gas spraying device (40), a water cooling jacket device (50), a cooled water heat exchanger (60) and a double-shaft cooling slag discharging device (70); and a bottom incineration technology is adopted, high-temperature flame is generated at the bottom of the furnace to realize complete decomposition of waste, meanwhile, liquid state molten salt is smoothly discharged out of the incineration furnace (20) with lowest fuel consumption, the double-shaft cooling device (70) is used for enabling the molten salt phase to be solidified, and finally solid state slag discharging is realized. The incineration device synchronously adopts a water cooling jacket technology, a solid slag layer is formed on a furnace liner flame facing surface, and slag resistance with the slag is realized, under the condition that a chromium-containing liner is abandoned, the service life of the furnace liner is effectively prolonged, and long-period, low-cost, stable and safe operation of the incineration furnace is realized.

The invention relates to a secondary heat exchanger of a condensing gas water heater, mainly comprising a fume emission component, a secondary heat exchange component, a condensing water discharge pipe, a condensing water collecting disk and a thermal baffle. The secondary heat exchange component is welded with the fume emission component, the condensing water collecting disk is arranged below the secondary heat exchanger component and welded with the fume emission component, and the condensing water discharge pipe is welded on the fume emission component. The secondary heat exchanger of the condensing gas water heater is characterized in that the secondary heat exchanger component is provided with a double-layer coil heat exchanger, and the thermal baffle is fixed on the fume emission component by self-tapping screws. The invention can prevent condensing water from eroding welding lines on a waterway system, prevents the condensing water from being evaporated once again, improves the heat exchange efficiency, greatly prolongs the service life of the product and ensures the long-term validity of the heat exchange effect.

Disclosed are polymerizable dental materials containing silver particles having a primary particle diameter < 40 nm as an antimicrobial additive. The inventive dental materials are suitable as filling composites, basic prosthetic materials, adhesives, coating composites for crowns and bridges, and materials for artificial teeth, for example.

The invention discloses a scale inhibitor with soda ash mother liquor and belongs to the technical field of fine chemical products. The scale inhibitor comprises the following components in part by mass: 50 to 70 parts of HK-101 scale inhibitor, 5 to 15 parts of sodium gluconate, 10 to 20 parts of polyepoxysuccinic acid and 3 to 7 parts of pH regulator, wherein the HK-101 scale inhibitor is prepared through crylic acid, maleic acid, hydroxy-propyl acrylate, an initiator and a molecular weight regulator. The scale inhibitor applied to the soda ash mother liquid can prolong the scaling time of calcium ions and magnesium ions in the mother liquid, reduces the chemical cleaning frequency of a soda ash mother liquid production system from 2 to 4 times per year to 1 time per 2 to 3 years, guarantees long-period and stable operation of soda ash mother liquid production, greatly reduces damage to equipment caused by chemical cleaning and does not influence the quality of the soda ash product.

The invention discloses a heating furnace for the chemical industry taking water-coal slurry. The furnace is a radiation-convection vertical drum furnace with vertical pipes, the burners arranged in layers at sides are in tangent circle combustion way, the heat strength along the length direction in the vertical pipe in the radiation section can be controlled well, is good for enhancing the convection heat transmission in the radiation chamber, this can supplement the radiation heat transmission weakened at the pipes at upper part of the furnace. A compact structure form with parallelly arranged radiation section and convection section is employed, which is useful for reducing the height of the heating furnace, reducing the equipment cost and good for safety in manufacturing.

The invention provides a monitorable shaft end sealing system and a control method. The shaft end sealing system comprises a first-grade gap sealer and a second-grade contact sealer arranged in a serial connecting manner, a liquid auxiliary system and a control system; the first-grade gap sealer is a liquid film sealer; the liquid auxiliary system comprises an isolation cavity between the first-grade gap sealer and the second-grade contact sealer, and a conveying pipeline for conveying isolation liquid into the isolation cavity; and the control system comprises a first pressure adjusting device arranged on the conveying pipeline and capable of adjusting the pressure of the isolation liquid, a sensor for detecting the liquid film thickness of the first-grade gap sealer, and a main controller. Through arrangement of the first-grade gap sealer and the second-grade contact sealer in the serial connecting manner, the shaft end sealing tightness of fluid equipment is improved; and the control system is provided for guaranteeing maintenance of the liquid film thickness in a set numerical value range and guaranteeing operation of the first-grade gap sealer in an optimal working condition point always, so that safe and stable long-period operation of the shaft end sealing system is guaranteed.

The invention discloses a system for treating black stinking water. The system comprises an incoming water direction biological carbon filter, a water bottom substrate and aquatic plants, wherein the incoming water direction biological carbon filter is arranged in the incoming water direction of the system and is filled with activated biological carbon; the water bottom substrate is composed of water body bottom mud and activated charcoal; and the aquatic plants are planted on the water bottom substrate. The method for preparing the activated charcoal comprises the following steps: harvesting the mature aquatic plants, and sequentially drying and grinding; sequentially drying and grinding the water body bottom mud subjected to desilting; fully mixing the ground aquatic plants and water body bottom mud according to a mass ratio of (3-5):1, thereby obtaining a mixture; and performing high-temperature pyrolysis on the mixture under anoxic conditions so as to obtain the charcoal, and performing acid activation, thereby obtaining the activated charcoal.

The invention provides an acidic gas treatment process and system. The process uses sodium hydroxide as an absorbent, and conducts two stages of gas-liquid reaction and one stage of liquid-liquid reaction process. The invention achieves up-to-standard emission of exhaust, and produces chemical product in line with national product quality standards. The acid gas treatment system includes a first processor, a second processor, a lye mixing tank, a process piping and a pump. The invention achieves dual goals of acidic gas purification and contaminant recycling.

The invention relates to a hot winding solid corrugated pipe, and a sectional material and manufacturing method thereof. The sectional material of the hot winding solid corrugated pipe comprises a first sectional material and a second sectional material; the first sectional material comprises a supporting rib and a first hot coating layer; the first sectional material comprises a connecting strip,a first half wave crest strip and a second half wave crest strip; the second sectional material comprises a buckle plate and a second hot coating layer; a buckling groove is formed in the middle partof the second sectional material; and the shape and size of the buckling groove are matched with the shape and size of the outer wall of a small wave crest structure formed by splicing the first halfwave crest strip and the second half wave crest strip. The sectional material adopts the first sectional material and the second sectional material which are solid wall structures, and the sectionalmaterial can facilitate the cooling forming of a pipe, the production speed of the pipe is increased and the welding quality of the pipe can be improved. The solid corrugated pipe is of a solid wall structure, and is high in ring stiffness, good in impact resistance and destruction resistance, and excellent in ring flexibility. The manufacturing method of the corrugated pipe adopts hot winding tocompound all units together, the welding strength is high and the residual stress problem basically does not exist.

The invention relates to calcium carbide used as a water phosphorus removal filter material and a preparation method of the calcium carbide. The calcium carbide is prepared from, by volume, 0.5-30% of metal materials, 0.5-80% of binding agent, 1-40% of activating agent and 0.5-15% of catalyst. The preparation method of the filter material comprises the steps that the components of the filter material are subjected to micronization and nanocrystallization treatment, and the fineness of the components is not smaller than 300 mesh after micronization and nanocrystallization treatment; the components subjected to micronization and nanocrystallization treatment are mixed to be uniform; the evenly-mixed material is subjected to sintering-free extrusion (hydraulic) molding; the molded product is maintained, dried and packaged. Compared with the prior art, the problems of metal passivation, high cost and lack of timeliness in phosphorus removal methods are well solved.