146results about How to "Improve the economy of use" patented technology

The invention discloses an internal-combustion engine variable geometry turbocharger nozzle ring component, comprising forks(1), a mounting plate(2) and a blade(3), wherein the side surface of the mounting plate(2) is provided with a plurality of groups of blades(3) which are evenly spaced and arranged on the same circumference and are in the same direction, each group of blades which consists of at least three blades(3) and can be mutually opened and folded simultaneously; the other side of the mounting plate is provided with forks(1) which are connected with corresponding blades; because the blades are the three dimensional curved surface, air inlet passages for blades are continuously changed, the air input of the turbocharger is also continuously changed according to the working condition of the engine, thereby the engine can get proper amount of pressurized air under all conditions, which makes that the engine always runs under a reasonable condition, thereby realizing that the turbocharger increases the output power of the engine by 30 to 100 percent, reducing the emission of harmful gas by more than 10 percent, realizing that the fume emission reaches the emission standard of the European IV, lowering oil consumption by 5 to 10 percent and improving the economical efficiency of the automobile.

The invention discloses an ocean energy, solar energy and hydrogen energy-based complementary power generation system. Hydrogen is prepared through electrolysis of water by employing solar energy and ocean energy as energy sources and seawater a hydrogen source; a renewable water resource is converted into clean and efficient hydrogen energy; obtained high-energy density hydrogen is stored into an organic hydrogen storage material; the organic hydrogen storage material is prepared from N-methylindole, N-ethylindole, diazafluorene and N-ethyl carbazole; the hydrogen storage density is high; hydrogen absorption and hydrogen energy desorption are reversibly carried out; the obtained hydrogenated organic hydrogen storage material can be transported to any place through a pipeline; the hydrogen removed from an organic hydrogen storage device is directly applied to a fuel cell; and the hydrogen energy is converted into electric energy through a hydrogen fuel cell or is used for direct heat supply. The power generation system is convenient and flexible; the solar energy is combined with the ocean energy; the energy is converted into the electric energy through the fuel cell and supplies a terminal device with electricity through hydrogen energy storage and energy transfer; the power generation system is stable and reliable; and the energy utilization rate is high.

The invention discloses a safety remote control system used for an electric vehicle, and a control method of the safety remote control system. The safety remote control system comprises a vehicle-mounted unit and a non-vehicle-mounted unit, wherein the vehicle-mounted unit and the non-vehicle-mounted unit are connected through a mobile data network; the non-vehicle-mounted unit comprises a remote platform server and a plurality of user terminals connected with the remote platform server; the vehicle-mounted unit comprises a data terminal and a centralized controller connected with the data terminal, and the centralized controller is further connected with a plurality of action execution units; the centralized controller comprises a complete vehicle control unit and a plurality of action control units connected with the complete vehicle control unit; each action control unit is connected with the corresponding action execution unit; and complete vehicle control unit is further connected with the data terminal. The safety remote control system simplifies and integrates vehicle-mounted control units into the independent centralized controller, thereby reducing the complexity of the structure and links of the safety remote control system, reducing failure links, and being simple and reliable.

The invention discloses a phosgene-complementary disc-type sterling solar power generation device, and relates to the technical field of solar thermal power generation, aiming at solving the problem that the existing sterling solar power generation device can not stabilize the output power during the strong and weak changes of the sunlight. The device comprises a light collecting disc, an absorber, a sterling power generator set, a heater and a combustor, wherein the light collecting disc is supported by a base and is used for collecting the sunlight; the absorber is arranged above the light collecting disc through a support and is used for absorbing focused energy; the sterling power generator set is used for converting the heat energy into electric energy; the absorber is connected with the heater of the sterling power generator set; the heater is used for transferring the focused solar energy to the sterling power generator set; and the combustor is connected with the heater, and is used for performing auxiliary heating on the sterling power generator set. The phosgene-complementary disc-type sterling solar power generation device provided by the invention is suitable for solar power generation, the combination of solar energy and natural gas or marsh gas is adopted for generation, the sterling solar power generation device is ensured to be used in case of no sunlight or insufficient sunlight, and the utilization ratio and economical efficiency of the device can be improved.

The invention relates to a high speed train braking system and a braking method thereof. The braking method comprises the following steps of classifying fraction coefficient values into multiple sections according to a speed range and prestoring the classified fraction coefficient values into a BCU (Braking Control Unit); sending out a control instruction by virtue of the BCU; calculating air braking force required for train braking by virtue of the BCU; and finally generating a PBC (Pressure of Braking Control), and conveying hyperbaric air to a braking execution device, wherein the braking execution device is used for executing braking or parking. The BCU adopts a fraction coefficient which is not a constant average fraction coefficient, but is a sectional fraction coefficient value based on different speed ranges and braking levels, thereby being beneficial to the matching of a practical output braking force and a designed braking force; a condition that the practicable braking force is far greater than the designed braking force is avoided, so that the braking is smooth and steady; and meanwhile, the abrasion of a braking disc and a brake pad can be reduced, and the use economical efficiency of basic braking is improved.

The invention relates to a mobile phone and an application method thereof, wherein the main body of the mobile phone can be provided with a module which can store a plurality of mobile bank fund accounts and a plurality of dynamic password groups at the same time and has the password safety protection function and the POS (point of sale) machine near-field payment function. The mobile bank fund accounts and the dynamic password groups are memorized in read only memories (ROMs) of an integrated circuit (IC) card, wherein the ROMs stimulate the standard shape of a subscriber identity module (SIM) card; different mobile bank fund accounts are respectively memorized in different ROMs of the IC card; and the user selectively uses more mobile bank fund accounts by inserting and changing different ROMs of the IC card. The module which is provided with the ROMs of the IC card establishes the only communication relation through an element and a base band or the SIM card or a coprocessor, wherein the element is used for realizing the simplex communication. The safety of the passwords memorized in the ROMs of the IC card is protected by replying the circulating long-string dynamic password groups. The module carries out near-field communication for the POS machine by the connection of the base band or the SIM card or the coprocessor with a coupling module antenna.

An eye makeup fallout protector for use in shielding the user's face beneath the eye during the application of eye makeup includes a planar flexible shield member and supporting handle. The shield member is curved to conform generally to the user's lower eyelid. The handle is removable to facilitate cleaning and replacement of the shield member.

The invention relates to a preparation method of a waste rubber powder / polyene resin thermoplastic elastomer. The preparation method is characterized by comprising the following steps of: firstly pouring 5-50 weight parts of a waste rubber powder, 2-10 weight parts of an interfacial modifier, 0-3 weight parts of an initiator and 1-2 weight parts of processing oil into a high-speed mixer and mixing for 5-10 min; pouring 100 weight parts of a polyene resin into the high-speed mixer and mixing for 2-5 min; pouring the mixture into an internal mixer or double screw extruder for mixing, mixing at 130-200 DEG C for 2-10 min; and granulating to obtain the waste rubber powder / polyene resin thermoplastic elastomer. The thermoplastic elastomer prepared in the invention can be repeatedly used for plastic processing. The production technology is simple, requires low cost and produces little pollution.

An eye makeup fallout protector for use in shielding the user's face beneath the eye during the application of eye makeup includes a planar flexible shield member and supporting handle. The shield member is curved to conform generally to the user's lower eyelid. The handle is removable to facilitate cleaning and replacement of the shield member.

The invention discloses a hydrogen power generation system capable of producing and storing hydrogen. Biomass resources are adopted as the raw materials, biomass thermochemical hydrogen production is utilized to decompose all agricultural straws into hydrogen-rich gas, and hydrogen in the hydrogen-rich gas is stored in an organic hydrogen storage material through an organic hydrogen storage device. The organic hydrogen storage material involved in the invention is composed of 2-methyl-[1, 8]-naphthyridine, diazafluorene and N-methylindole, has the characteristics of high hydrogen storage density and appropriate dehydrogenation temperature, the hydrogen released from the organic hydrogen storage device can be directly used for fuel cells, and hydrogen energy can be converted into electric energy or directly used for heat supply through hydrogen fuel cells, thus enhancing the economical efficiency of energy utilization. The power generation system provided by the invention is convenient and flexible, is suitable for establishment of a distributed energy system, and is applicable to energy development in areas away from the power grid and rich in biomass resources. The system combines biomass power generation technology with hydrogen technology, utilizes hydrogen energy as the biomass power generation intermediary, combines the high efficiency and flexibility of fuel cells, and realizes clean and efficient conversion of biomass to electricity.

The invention relates to the improvement of non-halogen low-smoke inflaming retarding polyolefine, which is characterized in that 20-70 parts of PE, 30-80 parts of EVA, 80-110 parts of Mg(OH)2, 30-55wt% of surface active agent, 45-70wt% of fatty acid soap and / or 2-5 parts of dispersant consisting of palmitic acid soap and / or oleate soap, and 5-15 parts of RP. Compared with the prior art, the inflaming retarding polyolefine can obviously increase the dispersive performance of inorganic flame retardants and the binding ability with binders, greatly reduces the use level of the flame retardants which is only about 1 / 2 of the former; the elongation at break thereof can reach as much as 550 and the index of swealing is more than or equal to 20; the non-halogen low-smoke inflaming retarding polyolefine increases the plastic working of materials, reduces the stress of a molding heat machine, basically removes the influence of the inorganic flame retardants on the elongation at break and the index of swealing reduction, and effectively solves the foundation reason of the cracking; secondly, the density of the polyolefine is low and not more than 1.29; the cost can be reduced by 10-20%. The non-halogen low-smoke inflaming retarding polyolefine not only can be used in various inflaming retarding soft product products, in particular to be used as cable insulation and / or a sheath, and effectively solves the industry long-standing problem that the inflaming retarding polyolefine insulation and the sheath easily crack.

The invention provides a multi-stage impeller wind-driven generator which comprises a tower post and a wind-driven generator, wherein the tower post is vertically provided with multiple layers of tower post bearing supports, each layer of tower post bearing support is provided with a perforation, the wind-driven generator comprises a vertical shaft and multiple wind-driven impellers, the verticalshaft penetrates through each layer of tower post bearing support and is rotatably fixed with each layer of tower post bearing support, the wind-driven impellers are respectively arranged in the spaces between the multiple layers of tower post bearing supports and are rotatably fixed on the vertical shaft, and the lower end of the vertical shaft is connected with a generator set. The multi-stage impeller wind-driven generator can be operated under the condition of a breeze with a wind speed of 2m / s to generate electricity, can also safely generate electricity under the condition of a strong wind, and has the advantages of reasonable structure, less easily worn parts, small maintenance capacity, convenient installation and maintenance and long service life up to 20-50 years.

The invention discloses a compact anti-coking nozzle type biomass burner. The biomass burner mainly comprises a front replaceable sleeve nozzle, a rear feeding comprehensive device and a bottom air distribution auxiliary comprehensive device; and a main body adopts a double-layer sleeve structure, an inner sleeve is used for gasifying burning, and an outer sleeve is used for blast cooling protection. According to the burner, an economic and efficient rotary fire rabbling and ash removing device is adopted, in cooperation with a three-level multi-directional three-dimensional air distribution nozzle type structure design, the environment and working condition applicability is high, and the practicability is high; the biomass heat energy application technology is clean, efficient, energy-saving, environment-friendly, stable in operation, simple and convenient to operate, capable of preventing coking and wide in fuel applicability; and a feasible popularization scheme can be provided for new type urbanization, agricultural modernization and transformation of clean energy of various medium-and-small-sized coal-fired boilers in China, and remarkable economic and social benefits can be expected.

The invention discloses an intelligent monitoring system for a vehicle gas cylinder for a liquefied natural gas vehicle. The intelligent monitoring system for the vehicle gas cylinder for the liquefied natural gas vehicle comprises a vehicle gas cylinder data acquisition unit, a vehicle gas cylinder data acquisition transmission terminal, a cloud server and a monitoring platform, wherein the vehicle gas cylinder data acquisition unit is used for acquiring relevant data of the vehicle gas cylinder for the liquefied natural gas vehicle and outputting to the vehicle gas cylinder data acquisition transmission terminal; the vehicle gas cylinder data acquisition transmission terminal, is used for sending the relevant data of the vehicle gas cylinder for the liquefied natural gas vehicle to the cloud server; and the monitoring platform is used for acquiring the data from the cloud server and monitoring the vehicle gas cylinder for the liquefied natural gas vehicle. The intelligent monitoring system for the vehicle gas cylinder for the liquefied natural gas vehicle provided by the invention can be used for effectively monitoring full-state information in the use process of the vehicle gas cylinder for the liquefied natural gas vehicle, and is safe, reliable, convenient to apply, accurate in monitoring, and capable of ensuring the safety in using and driving.

The invention discloses a piston body used for concrete pumping equipment. The piston body includes a main body part (2) connected with a piston rod of the concrete pumping equipment and a sealing component (1) arranged at the front end of the main body part (2) detachably and provided with a sealing lip (1211). The sealing component (1) includes a framework part (11) with proper strength and a cladding part (12) with proper hardness. The arrangement of the framework part (11) improves the mechanical property of the sealing component (1), leads to uniform abrasion of the sealing lip (1211) and reduces the heat energy accumulated due to the deformation of the sealing lip (1211), thus further relieving the temperature rise of the sealing component (1) caused by the heat energy, avoiding the problem of early failure caused by the situation that the working temperature of the sealing component (1) exceeds the normal use temperature, prolonging the service life of the sealing component of the piston body and enhancing the economical efficiency of the piston body in use process.

The invention discloses a method for converting citrate soluble phosphate into water soluble phosphate. According to the method, the effect of an activating agent is utilized, citrate soluble phosphate reacts with strong acid to generate unstable water soluble phosphate, and unstable water soluble phosphate is converted into stable water soluble phosphate under the effect of a stabilizer; therefore, the rate for converting citrate soluble phosphate into water soluble phosphate is increased, generated water soluble phosphate is wide in application range and high in economic value, and the use ratio of citrate soluble phosphate is significantly increased.

The invention relates to a positioning fixture for high-precision honing of the inner hole of a valve pocket. A positioning sleeve is sheathed outside a fixture body. The positioning sleeve is circumferentially and evenly provided with four through holes which extend along the radial direction. Four needle bearings are respectively fixed in the four through holes. A pair of fixture body pins are respectively inserted into two oppositely arranged needle bearings of the four needle bearings, stretch into the fixture body and are fixed with the fixture body. A pair of hand wheels are respectively inserted into a pair of stand columns and are fixed with the stand columns. A pair of positioning sleeve pins are respectively inserted into the pair of hand wheels, are fixed with the hand wheels and stretch into the other two oppositely arranged needle bearings of the four needle bearings. The bottom of the fixture body is fixedly connected with a positioning supporting plate. The pair of stand columns are fixedly arranged on a base. The positioning fixture additionally comprises a fastening screw and valve pocket positioning pins, wherein the fastening screw stretches into the fixture body, is fixed with the fixture body and is axially provided with through holes; and the valve pocket positioning pins are arranged in the through holes in a penetrating way. The positioning fixture has the advantages that the accurate positioning effect can be realized and the application scope is very wide.

The present invention relates to a method and a device for detecting the failure of electromagnetic movement mechanism. The method comprises the following steps: driving the electromagnetic movement mechanism by a control unit through a driving unit; sensing, adjusting and sampling the current response signal of electromagnetic movement mechanism by a current detecting unit; determining and dividing the initial fixed area, movement area and terminated fixed area of electromagnetic movement mechanism by an area determining unit; calculating the inductive reactance to the initial fixed area and terminated fixed area by an inductive reactance calculating unit; and determining the failure by a failure detecting unit according to the calculated inductive reactance. According to the invention, the effect detection, failure determination and gradual variation failure detection of movement can be executed. Not only is the potential safety hazard in the system application reduced, but also the positions of initial point and terminated point of movement can be effectively detected. The using safety and economic property are increased.

The invention provides a hot valve and a manufacturing method thereof. The hot valve comprises a valve body and a valve seat, wherein the valve seat is located in an inner cavity of the valve body. The hot valve further comprises a spacer bush made of the same material as the valve body, the spacer bush is located on a sealing face between the valve body and the valve seat, and the spacer bush isin interference fit with the valve seat and welded to the valve body. Compared with the prior art, according to the technical scheme provided by the invention, dissimilar metal welding is converted into same metal welding by adopting interference fit and hot charging processes, so that the expansion amount of parts on the two sides of a weld joint is consistent when the temperature is changed, thedefect of weld joint cracking is eliminated, and the requirement of a wind tunnel test device on the hot valve is met.

The invention discloses an elevator capable of running in parallel. The elevator comprises at least two elevator cars arranged in one shaft. First car doors capable of being communicated are arranged on the opposite sides of every two adjacent elevator cars respectively. A second car door corresponding to a hall door is further arranged on at least one elevator car adjacent to the hall door. A car frame locking mechanism for locking every two adjacent elevator cars to achieve synchronous running is arranged between the two adjacent elevator cars. According to the elevator, when no large-transportation requirement exists, the elevator cars are independently used, and the high use ratio is achieved; and when the super-large piece transporting requirement occasionally exists, the elevator cars can be combined into the elevator, and the elevator cars are combined into a whole to achieve synchronous running through the car frame locking mechanisms.

The invention discloses a manufacturing method of biomass fuel. The manufacturing method comprises the following steps: (1) selecting raw materials; (2) grinding; (3) mixing; (4) squeezing; (5) drying. According to the mode, the manufacturing method of biomass fuel has the advantages of wide raw material application range, little pollution, low carbon content, no smoke, no dust, high combustion rate, environmental protection, energy conservation, capability of avoiding high-cost use of primary energy and improving economical efficiency of energy utilization, and the like, and has wide market prospects in popularization.

A tractor relates to the technical field of agricultural machineries. A belt pulley of the tractor is integrated with a transmission case, the transmission case is connected with an auxiliary gear box and transmits power to the same, a speed gear selecting rod is arranged on the auxiliary gear box which is connected with a gear box, a gear shifting shaft and a gear selecting shaft are arranged on the gear box, the gear box is connected with a transfer case, a transfer selecting rod is arranged on the transfer case, one side of the transfer case is connected with a front transmission shaft connected with a front bridge, the other side of the transfer case is connected with a middle transmission shaft connected with a rear driving combination case, a rear driving operation rod is arranged on the rear driving combination case connected with a rear transmission shaft, and the rear transmission shaft is connected with a rear bridge. The tractor is simple in structure, good in reliability, high in transmission effect, stable in transmission, wide in application range, long in service life, low in cost, large in heavy load due to utilization of the above transmission system , high in working efficiency and economical utilization efficiency, flexible in turning during travelling, and convenient to utilize.

The invention discloses an automobile brake system with an energy recovery function. The automobile brake system with the energy recovery function comprises a main control unit, a brake pedal position detection unit, a motor control unit, a wheel speed sensor, a gear sensor, a power converter and a storage battery, wherein the brake pedal position detection unit transmits a pedal stroke signal to the main control unit when an automobile is braked. The motor control unit controls the size of output current of a motor to enable regenerative braking torque of a motor to work according to a command signal transmitted by the main control unit. The wheel speed sensor detects speed of driving wheels of the automobile. The gear sensor is arranged on a transmission, the power converter is connected with the motor, and the storage battery is connected with the power converter. The motor control unit, the wheel speed sensor, the gear sensor and the brake pedal position detection unit are connected with the main control unit, and the motor is connected with the main control unit, and the transmission is connected with a driving wheel axle and the motor of the automobile. The automobile brake system with the energy recovery function is simple in structure, and convenient to install and lay, is mainly used for recovery of an electromobile when the electromobile brakes, and improves traveling and use economical efficiency of a vehicle.

The invention discloses a low-temperature box for middle-size and large-size test pieces. The low-temperature box comprises a cold insulation barrel body, a cold insulation layer, a heat insulation box, a cold insulation barrel cover assembly, a test piece hanging bracket assembly, an outer frame, a liquid discharging pipe valve assembly and a barrel body connecting block, wherein the cold insulation barrel cover assembly covers the top of the cold insulation barrel body and can rotate around the cold insulation barrel body; the cold insulation barrel cover assembly is provided with a temperature sensor, a stirring rod, a cooling medium pipe assembly and a top cover handle; temperature and liquid level measurement and control, and stirring of cooling liquid can be realized; the test pieceis hung and fixed at the lower part of the test piece hanging bracket assembly located at the center of the cold insulation barrel cover assembly and is inserted into a cooling medium of the cold insulation barrel body to be cooled; the cold insulation layer covers the cold insulation barrel body, and the cold insulation layer and the cold insulation barrel body are embedded into the heat insulation box; the heat insulation box is embedded into the outer frame.

The invention discloses a shipborne variable aspect fin stabilizer, which comprises a fin surface, a fin rotating shaft, a rotating shaft of the fin surface, a hydraulic cylinder, a hydraulic cylinder bracket, a fixed shaft and a protective baffle. The shipborne variable aspect fin stabilizer is characterized in that the fin rotating shaft is slidingly connected with a shaft bracket of a ship body; the fin surface is connected with the fin rotating shaft through the rotating shaft of the fin surface; the hydraulic cylinder bracket is fixedly connected to the fin rotating shaft; the hydraulic cylinder is connected with hydraulic cylinder bracket through the fixed shaft; the hydraulic cylinder is connected with the fin surface through the fixed shaft; the protective baffle is fixedly connected to a shell plate of the ship body. Taking into account not only a low aspect ratio fin required for stabilization at low / zero speed, but also a high aspect ratio fin required for stabilization at high speed so as to improve the flexibility and economy of the fin stabilizer.

The invention discloses a prefabricated photovoltaic road assembling block. The prefabricated photovoltaic road assembling block is laid on a roadbed, and comprises a concrete bottom plate (6), a waterproof sealing layer (5), a photovoltaic assembly (1) and a frame (2); the concrete bottom plate (6) is disposed below the photovoltaic assembly (1), and the frame (2) is arranged at the peripheral side of the concrete bottom plate (6) and the peripheral side of the photovoltaic assembly (1) which are separated by transverse plates (9) on the frame (2); and sealing members (7) are arranged at theperipheral side of the photovoltaic assembly (1) and the frame (2), and the waterproof sealing layer (5) is arranged at the upper surface of the concrete bottom plate (6). The prefabricated photovoltaic road assembling block has the beneficial effects that the modular paving requirements can be realized under good roadbed conditions, the advantages of extremely short construction period, controllable quality, convenient construction and maintenance, high strength, skid resistance, water resistance, anti-temperature deformation and superior durability are achieved, and the service life of photovoltaic roads can be effectively prolonged and the economy efficiency of the photovoltaic roads can be effectively improved.

The invention relates to a method for intelligently adjusting the temperature of an air outlet of an air conditioner indoor unit. The method comprises the following steps of reading the running mode of an air conditioner, judging the running mode of the air conditioner, and if the air conditioner is in the heating mode, adjusting the target temperature value of an air conditioner heat exchanger in the refrigeration mode of the air conditioner; if the air conditioner is in the refrigeration mode, adjusting the target temperature of the air conditioner heat exchanger in the heating mode of the air conditioner; adjusting the target temperature value of the air conditioner heat exchanger in the refrigeration mode and the heating mode of the air conditioner by determining the magnitude relationship between a current temperature set value Tset' and an initial temperature set value Tset or the magnitude relationship between the Tset and Tlow1, Tlow2, Thigh1 and Thigh2. In other words, the temperature of the air outlet of the air conditioner indoor unit is automatically adjusted through using habits of users so that the purpose of supplying using comfort to the users can be achieved, and meanwhile the using economical efficiency can be improved.

The invention relates to the technical field of composite insulators, and in particular, relates to a silicone rubber material for a composite insulator and a preparation method of the silicone rubbermaterial. The silicone rubber material for the composite insulator is prepared from the following raw materials in parts by weight: 100 parts of a rubber base material, 30-60 parts of white carbon black, 1-8 parts of hydroxyl silicone oil, 2-10 parts of hydrogen-containing silicone oil, 100-300 parts of active aluminum hydroxide, 2-10 parts of zinc oxide, 0.5-2 parts of a color master batch, 0.5-2 parts of a vulcanizing agent, and 1-5 parts of methyl anthranilate. Under the synergistic effect of all the raw material components, the obtained silicone rubber material is excellent in mechanicalproperty, meanwhile, birds can be prevented from pecking the silicone rubber material, the electrical performance of the product is improved, bruising and reworking are avoided, and the use safety performance and economic value of the product are improved.

The invention belongs to the field of metal coatings, and particularly relates to a wear-resistant antifriction iron-based amorphous composite coating and a preparation method thereof. The method comprises the following steps of weighing nickel-coated graphite or cobalt-coated graphite powder or nickel-coated graphene or cobalt-coated graphene powder, ceramic powder and iron-based amorphous powderaccording to a certain mass ratio, carrying out ball milling and mixing to obtain mixed powder, and drying the mixed powder for later use; roughening the substrate to be sprayed; and spraying the surface of the substrate to be sprayed in a plasma spraying mode to obtain the iron-based amorphous composite coating containing ceramic particles and graphite or graphene. According to the wear-resistant antifriction iron-based amorphous composite coating, a certain mass fraction of ceramic particles and graphite or graphene are added into the iron-based amorphous powder, so that the wear resistanceof the iron-based amorphous composite coating is enhanced, the friction coefficient is reduced, and the iron-based amorphous composite coating has a self-lubricating function and can be widely applied to surface repair and protection of parts in the fields of petroleum, chemical industry, electric power, mechanical manufacturing and the like.

The invention relates to a black-body radiation energy-saving coating and a preparation method thereof. The coating contains the following components in parts by weight: 30-50 parts of sodium silicate, 5-15 parts of water, 5-10 parts of ferric oxide, 10-20 parts of copper oxide, 3-10 parts of chromium oxide, 5-10 parts of aluminium oxide, 0-5 parts of cerium oxide, 1-10 parts of cobalt oxide, 0-5parts of lanthanum oxide, and 0.5-1.5 parts of dispersing agent. According to the invention, radiation heat transfer is enhanced by utilizing the characteristics of high absorption, high heat accumulation, high radiation and high heat release of a black-body material, so as to reduce radiation heating energy consumption, reduce fuel consumption, and improve the thermal efficiency of boiler pipes,petrochemical cracking furnaces and coking ovens, and further achieve the aim of energy conservation.