38results about How to "Reduce physical loss" patented technology

The present invention discloses a hindered amine with characteristics of high molecular weight and narrow molecular weight distribution, and a preparation method thereof. According to the process, a polymerizable hindered amine, a free radical initiator and an RAFT chain transfer agent are added to a solvent, a reaction is performed for 4-48 h at a temperature of 60-85 DEG C under nitrogen protection, a rapid quenching treatment is performed with liquid nitrogen or ice water, a precipitation treatment is performed with a precipitant, and then suction filtration, water washing and drying are performed to obtain the hindered amine with characteristics of high molecular weight and narrow molecular weight distribution, wherein the molecular weight is 1100-30000, and the molecular weight distribution is less than 2.5. According to the present invention, the prepared hindered amine can be adopted as the light stabilizer, the physical loss of the small molecular weight hindered amine light stabilizer during the processing process can be reduced, and the migration volatilization of the hindered amine light stabilizer during the use process can be effectively prevented, such that the light stabilizing effect can be lasting and effective for a long time; and the preparation method of the present invention has characteristics of simple process, low equipment requirement, stable reaction, simple operation, no by-product production, minimal catalyst consumption, cleaning and environmental protection.

The invention relates to the technical field of nanofiber membrane preparation and modification and discloses a three-dimensional cross-linked super-wettable nanofiber membrane. The three-dimensionalcross-linked super-wettable nanofiber membrane is formed by cross stacking of nanofibers in different orientations and has a three-dimensional cross-linked network structure formed by nanofibers, andintersections of the nanofibers are provided with surfactant bonding points. A method for preparing the nanofiber membrane with the three-dimensional cross-linked, high strength and super-wettabilityby adoption of an amphiphilic surfactant is provided. The method is simple and feasible in technical process, mechanical strength of the nanofiber membrane can be remarkably improved, and surface super-wettability of the membrane is realized.

The invention provides a flue gas purifying absorbing tower and a processing method thereof. The absorbing tower comprises a tower body, an air inlet, an air outlet, an adsorbent feeding inlet, an adsorbent discharge hatch, an adsorbent layer, a feeding pipeline, and a discharging pipeline; the air inlet is arranged at the lower part at one side of the tower body, the air outlet is arranged at the upper part of the tower body with the same side of the air inlet, the adsorbent feed layer is vertically arranged in the tower body, the adsorbent feeding inlet and the feeding pipeline communicated with the adsorbent feeding inlet are arranged at top of the tower body, and the adsorbent discharge hatch and the discharging pipeline communicated with the adsorbent discharge hatch are arranged at the bottom of the tower body. The processing method comprises the following steps: the adsorbent is sent to the adsorbent layer through the adsorbent feeding inlet by the feeding pipeline, the flue gas is introduced into the tower from the air inlet, the flue gas passes through the adsorbent layer, and is discharged from the air outlet, and the adsorbent is discharged from the discharge hatch through the discharging pipeline. The inlet-outlet structure of the absorbing tower is capable of moving the adsorbent from top of the tower body to the bottom smoothly, the utilization rate of the tower body is guaranteed, the physical loss of the adsorbent is reduced, and the removal by adsorption can be efficiently carried out.

The invention relates to the field of rubber, in particular to a wear-resistant and aging-resistant natural rubber material and a preparation method thereof. According to the invention, 3-isocyanate propyl trimethoxy silane is used as a bridging agent, porous silicon dioxide nanoparticles are used for immobilizing micromolecular antioxidants dihydromyricetin and p-phenylenediamine, and polydopamine is used for coating, so that a novel antioxidant which is high in thermal stability, not easy to migrate and dissolve out and good in dispersity in rubber is obtained. The prepared novel antioxidant is further applied to rubber production, and the wear-resistant and aging-resistant natural rubber material is prepared.

The invention discloses an activated carbon desulfurization and denitrification regeneration system, and belongs to the technical field of flue gas purification. The system comprises a horizontal tower body and a conveying device, wherein the horizontal tower body comprises a heating insulation chamber and a cooling chamber; a protective gas inlet and a feeding hole are formed in the heating insulation chamber; a protective gas outlet and a discharging hole are formed in the cooling chamber; the conveying device is arranged in the horizontal tower body and comprises a conveying mechanism and ahopper; and the conveying mechanism is configured to convey activated carbon entering the hopper from the feeding hole to the discharging hole. According to the activated carbon desulfurization and denitrification regeneration system, by arranging the horizontal tower body and the hopper, compared with the prior art, the extrusion of the activated carbon at the bottom of a tower can be reduced, and the activated carbon is not directly in frictional collision with the tower wall of the horizontal tower body, so that the physical loss of the activated carbon can be reduced. In addition, by arranging the horizontal tower body, the distance between the bottom of the adsorption tower and the feeding hole can be reduced, so that the energy consumption for conveying the activated carbon from thebottom of the adsorption tower to the feeding hole can be reduced, the efficiency is improved, and the cost is reduced.

The invention discloses a preparing technology for an anti-ageing elevator compensation cable. The preparing technology comprises the following steps that firstly, a plurality of aviation steel wire ropes or compensation chains are plated with zinc, wherein the surfaces of the aviation steel wire ropes or compensation chains are plated with the super-thick zinc layers at 265-290 g / m<2>; secondly, winding is carried out, wherein the aviation steel wire ropes obtained in the first step are wound into a steel wire rope core through a winding machine, and the steel wire rope core is put into an anti-rusting oil trough to be soaked for 15-35 min; thirdly, a corrosion-resistant rubber sheath is arranged in a sleeving mode; fourthly, a PP protection layer is smeared, wherein a PP material is smeared to the outer part of the corrosion-resistant rubber sheath with the plastic coating technology, the PP protection layer with the thickness of 0.3-1.5 mm is formed, and supra polymer polyvinyl chloride with the weight percentage of 18-23% is added into the PP material in the plastic coating technology. The corrosion resistance and the anti-ageing property of the compensation cable prepared through the technology are improved, the stable performance of the product is maintained in the harsh environment with strong ultraviolet while various physical indexes in the conventional environment are ensured, the service life is prolonged, and the safety is improved.

A boiler according to the invention contains an additional air channel (9) with an inbuilt fan (10) with adjustable output. The first end (91) of the additional air channel (9) is connected with the under-stoker space (11) located outside of the wind boxes (5) of the under-stoker wind boxes system (4). The other end (9') of the additional air channel (9) is connected with either the space of the channel (6) supplying outside air to the wind boxes (5) or with the atmosphere or with the secondary air channel of the combustion chamber (2). Modernization of the existing boilers consists in installation in the described above method of an additional air channel (9) with an inbuilt fan (10). The method of elimination of uncontrolled leakages in a stoker-fired boiler consist in leading out and air, getting through air gaps, from the under-stoker space of the boiler located outside of the wind boxes (5) to the described above additional air channel (6), wherein current output of the fan (10) built into this channel is proportional to the current difference between temperature of air supplied to the wind boxes (5) and temperature of air in the additional air channel (6).

The invention provides an automatic welding gun cleaning operation device, and belongs to the technical field of machinery. The problem that an existing welding gun anti-blocking agent is in an ointment state at the normal temperature and is not suitable for being directly dipped in a robot welding gun nozzle is solved. The automatic welding gun cleaning operation device comprises a robot with a welding gun and an anti-blocking container allowing the welding gun to completely stretch into; the welding gun is provided with a gun nozzle; the anti-blocking container is provided with a containing cavity; an anti-blocking agent is arranged in the containing cavity; a layer of outer partition plate surrounds the anti-blocking container; a heat insulation and preservation layer with a heat insulation and preservation function is arranged between the outer partition plate and the anti-blocking container; and a heating device for heating the anti-blocking agent and a temperature adjusting device for adjusting the heating temperature of the heating device are arranged in the anti-blocking container. The automatic welding gun cleaning operation device has the advantages that it is guaranteed that the welding gun can completely stretch into the anti-blocking agent; contact between the welding gun and the anti-blocking agent is increased; the effect of the anti-blocking agent can be better and effectively achieved; smoothness is kept; the specific heat capacity is increased; and harmful smoke is reduced.

The invention discloses a hindered amine light stabilizer with a toughening effect. The hindered amine light stabilizer consists of a rubbery soft core of which the glass-transition temperature is less than or equal to 0 DEG C and a glassy hard shell which is wrapped outside the rubbery soft core of which the glass-transition temperature is more than or equal to 60 DEG C, and the initial thermal decomposition temperature of the hindered amine light stabilizer is more than or equal to 240 DEG C; and on the basis of weight part of the hindered amine light stabilizer, the rubbery soft core is prepared from 100 parts of first monomer and 1 to 5 parts of cross-linking agent through emulsion polymerization, and the glassy hard shell is prepared from 40 to 80 parts of second monomer and 40 to 80 parts of polymerization hindered amine through the emulsion polymerization. The invention also discloses a preparation method for the hindered amine light stabilizer. According to the method, the hindered amine light stabilizer is introduced into shell layers of elastomer particles with core-shell structures to realize the high molecular weight of the hindered amine light stabilizer in a new mode, so that a light stabilizing effect is permanent, continuous and effective; and the rubbery soft core wrapped in the hindered amine light stabilizer also can provide the toughening effect for polymer substrates to achieve an effect of killing two birds with one stone, so that a new dual-function modifier is provided for the field of the modification of the polymer substrates.

Disclosed is an electronic transparent casing. Through the insulating transparent PVC casing, visualized and simplified operations of optical disks are realized. The invention aims at replacing panel parts above CD drivers of different kinds of players partly or integrally with insulating transparent PVC casings so as to facilitate check of optical-disk conditions in the players. Compared with the prior products, the electronic transparent casing enables a user to directly observe optical-disk storage conditions in the player under a power-off state and thus operation times on a disk player door switch are reduced and physical consumption of the disk player door switch is reduced and thus service life is prolonged; and waste in aspect of electrical-power resources is reduced.

The invention provides an anchoring pull-type climbing power assisting device and a using method thereof. A bottom plate is mounted at the bottom of a protective shell of the power assisting device. Adownward-extending projectile cylinder is arranged at the top of the protective shell, one end of a spring is fixedly connected to the bottom of the projectile cylinder, and the other end of the spring makes contact with an anchorage device. A line storage reel and a driving device are fixed to the bottom plate, and the driving device drives the line storage reel to rotate and axially move. A reverser is mounted on the line storage reel, and an anchor cable is wound around the line storage reel, is guide by the reverser and then penetrates through a through hole in the bottom of the projectile cylinder to be connected with the anchorage device. The using method of the anchoring pull-type climbing power assisting device comprises the steps that the anchorage device is projected to completeanchoring; and then the anchorage device is pulled to be withdrawn, and the climbing action is completed. The problems that an existing climbing power assisting device is commonly heavy, thus the load of a user is increased, carrying is inconvenient, and operation is complex are solved; and the anchoring pull-type climbing power assisting device is provided, assists the user to climb, is matchedwith straps to be fixed to the body of the user, and is easy and convenient to use and easy to carry.

The invention relates to the technical field of nanofiber membrane preparation and modification, and discloses a three-dimensional crosslinked super-wetting nanofiber membrane, which is composed of nanofibers with different orientations stacked and crossed, and has a three-dimensional crosslinked network structure composed of nanofibers. The intersections of the nanofibers have surfactant bonding points, and the invention uses amphiphilic surfactants to prepare a nanofiber membrane with a three-dimensional crosslinked structure, high strength and super-wetting properties in one step. The process of the method is simple and easy, and the mechanical strength of the nanofibrous membrane can be greatly improved, and the super-wetting characteristic of the membrane surface can be realized.

The invention discloses a preparing technology for an anti-ageing elevator compensation cable. The preparing technology comprises the following steps that firstly, a plurality of aviation steel wire ropes or compensation chains are plated with zinc, wherein the surfaces of the aviation steel wire ropes or compensation chains are plated with the super-thick zinc layers at 265-290 g / m<2>; secondly, winding is carried out, wherein the aviation steel wire ropes obtained in the first step are wound into a steel wire rope core through a winding machine, and the steel wire rope core is put into an anti-rusting oil trough to be soaked for 15-35 min; thirdly, a corrosion-resistant rubber sheath is arranged in a sleeving mode; fourthly, a PP protection layer is smeared, wherein a PP material is smeared to the outer part of the corrosion-resistant rubber sheath with the plastic coating technology, the PP protection layer with the thickness of 0.3-1.5 mm is formed, and supra polymer polyvinyl chloride with the weight percentage of 18-23% is added into the PP material in the plastic coating technology. The corrosion resistance and the anti-ageing property of the compensation cable prepared through the technology are improved, the stable performance of the product is maintained in the harsh environment with strong ultraviolet while various physical indexes in the conventional environment are ensured, the service life is prolonged, and the safety is improved.

The present invention provides an inertial / satellite integrated navigation demonstration verification system for data reproduction. The inertial / satellite integrated navigation demonstration verification system comprises: a data transmitting and receiving module for reading IMU data and GPS data, outputting an analog second pulse, and then transmitting the IMU data and the GPS data to a navigation computer module; the navigation computer module for receiving the IMU data and the GPS data transmitted by the data transmitting and receiving module, caching, and performing data processing by using a master-slave DSP working mode; and a data displaying module for displaying the data processed by the navigation computer module, dynamically reproducing the movement state in an offline manner, and evaluating the precision of a new navigation demonstration verification algorithm. With the inertial / satellite integrated navigation demonstration verification system of the present invention, the real IMU and GPS receivers are replaced with the data transmitting and receiving module so as to the reduce the physical loss of the system and improve the service life, and the system movement state is dynamically reproduced in the offline manner so as to demonstrate and verify the new navigation algorithm.

The invention discloses a luminous combination cable. The luminous combination cable comprises a photovoltaic cable, a data line, a wrapping tape and a sheath, wherein the photovoltaic cable and the data line are coaxially arranged in the wrapping tape; and the sheath is coaxially arranged on the periphery of the wrapping tape. According to the luminous combination cable, the photovoltaic cable and the data line are integrated; materials and the installation cost can be reduced; future maintenance is facilitated; and simultaneously, the energy consumption during a transmission process is reduced.

The invention discloses rubber chemical reduced and modified graphene oxide as well as a preparation method and an application thereof. The graphene oxide can be simultaneously reduced and modified just by conducting a reaction in one step; and specifically, the rubber chemical modified graphene is prepared by the following steps: mixing graphite oxide and water, and conducting ultrasonic exfoliation so as to obtain graphene oxide water dispersion liquid; mixing a rubber chemical solution with the graphene oxide water dispersion liquid, and conducting heating and stirring so as to obtain the rubber chemical modified graphene. According to the invention, a reducing agent is non-toxic and environment-friendly, the method is simple and easy to implement and reaction conditions are mild; and the prepared graphene is low in content of an oxygen-containing functional group in surface and high in conjugation degree; some rubber chemicals are chemically grafted on the surface of the graphene, so that the uniform dispersion of the graphene in rubber is promoted and an interface bonding action between the graphene and the rubber matrix is enhanced, and in addition, the migration and volatilization of the rubber chemicals are prevented and the action efficiency of the rubber chemicals is improved, so that the performance of a rubber / graphene composite material is improved. The invention provides a new opportunity and a new way for the green mass preparation of the graphene and for the preparation of the high-performance rubber / graphene nano composite material.

The invention relates to an energy-gathering gas-saving infrared generator for gas appliances. The energy-gathering gas-saving infrared generator comprises a long metal strip divided into a wave strip and a flat strip, the wave strip and the flat strip are interlapped and then coiled or parallelly stacked to form the infrared generator, and a gas passing pipeline is formed between convex embossed stripes on the surface of the wave strip and a plane of the flat strip. Through structural change of the wave strip, the wave strip can be of a wavy structure or bent structure, complexity of manufacture and assembly technology is lowered, materials are saved, unstable factors during manufacture and use are decreased, and safety performance of products is greatly improved.

The invention relates to the field of switches, the invention further discloses a power switch containing liquid metal. The power switch comprises a cylindrical barrel, a control structure, a first electrode, a movable liquid storage structure, a first telescopic structure, liquid metal and a second electrode, and the control structure comprises a push rod motor, a first rotating structure and a second rotating structure; the push rod motor is detachably connected to the upper end of the cylindrical barrel; the second rotating mechanism is rotationally connected to the output end of the push rod motor; the first rotating mechanism controls the second rotating mechanism to rotate; the liquid metal is filled in the cylindrical barrel; the second rotating mechanism can carry the movable liquid storage structure to move up and down; the upper end of the first telescopic structure is fixedly connected to the inner top wall of the cylindrical barrel; the lower end of the first telescopic structure is fixedly connected with the movable liquid storage structure, the first electrode is electrically connected with the movable liquid storage structure, the second electrode is electrically connected with the liquid metal, electric arcs generated at the moment of connection and disconnection of an electrical path between the first electrode and the second electrode act on the liquid metal,and the service life of the switch contact is prolonged.

The utility model discloses a planar capacitance resonator and the related preparation method, comprising a resonance body, a sensor electrode, a driving electrode and a related supporting substrate.The resonator is a suspended structure, and is fixed on the substrate through an anchor point; each of the sensor electrode and the driving electrode comprises an electrode plate and a solder pad, theelectrode plates of the sensor electrode and the driving electrode are arranged on the two side of the resonance body separately and keep a clearance from the resonance body, the clearance between the plates performs as the media to form the capacitor structure; the solder pads of the sensor electrode and the driving electrode are fixed on the insulating medium layer, and the solder pads are provided with metal electrodes; the insulating medium layer are fixed on the substrate. The clearance between the any two electrodes of the capacitors is narrower than 100nm. The utility model has the advantages of extremely high dynamic performance, the harmonic resonance frequency exceeding 100 MHz, and the Q factor up to 105.

The invention discloses a carbon-based catalyst regeneration device and a process thereof. The top of the device is provided with a feeding port, and the bottom is provided with a discharging port. Adesorption section, a drying section and a recovery section are sequentially arranged from the feeding port to the discharging port. A partition plate is arranged in the feeding port; the discharge port is provided with a sliding plate; the desorption section is provided with a high-temperature water vapor inlet, a high-temperature water vapor outlet and a corrugated baffle plate; the drying section comprises a top material conveying area, a middle material conveying area and a bottom material conveying area, each material conveying area comprises a feed orifice plate and a material conveyingpipe, and the drying section is also provided with a drying gas inlet, a drying gas outlet, a middle baffle orifice plate, a drying gas outlet and a bottom air vent; the recovery section comprises a conveying pipe, a feed orifice plate, a discharge orifice plate, a cooling gas inlet, a cooling gas outlet and a baffle orifice plate; and the drying gas inlet is communicated with the high-temperaturewater vapor outlet. The regeneration device can reduce the energy consumption for heating regeneration, improve the pore structure of a carbon-based catalyst, improve the adsorption capacity, avoid the ignition of the catalyst, and reduce the chemical and physical loss of the catalyst.