41results about How to "Reduce radiation pollution" patented technology

The invention provides an automatic detection device suitable for multi-diameter pipeline welding lines. A carrier dolly module (3) of the invention is arranged on a flexible track module (1); a scanner module (2) is fixed on the upper part of the carrier dolly module (3) through a vertical plate (8) and a horizontal plate (9); a probe combination module (4) is fixed on the lateral side of the carrier dolly module (3) through a tracking module (5); an encoder (6) is fixedly arranged on an angle adjusting block (3-4) of the carrier dolly module (3); and a motor (7) is fixedly arranged on a reduction gearbox (3-7) of the carrier dolly module (3). The invention can be applied to the diameter welding line detection of a series of pipelines; the efficiency of the detection technique of the invention in the pipeline girth welding line non-destructive detection is much higher than that of manual ultrasonic detection; and the invention is obviously superior in detection speed, environmental radiation pollution reduction and labor intensity decrease.

The invention discloses a processing method of a positioning hook forge piece. The processing method of the positioning hook forge piece comprises the following steps: 1), selectively using 35mm round steel and cutting by using a shearing machine, wherein the length of a sheared rough blank piece is 172mm; 2) putting the rough blank piece obtained in the step 1 into an intermediate frequency heating furnace for heating at a heating temperature of 1120 to 1180 DEG C and keeping the heating for 2-3min; 3) drawing out two ends of the workpiece obtained in the step 2 by utilizing an air hammer till the arrival of 20+ / -2mm diameter, wherein the hammer drawing is performed for 8-14 times; 4) putting the drawn-out workpiece into a bending die of a punching machine for bending; 5), putting the bent workpiece into a shaping die in an electric screw press for hot forging by using the shaping die, wherein the temperature is 900 DEG C and the pressure is 630T; and 6) putting the hot forged workpiece into the punching machine for side cutting and punching. With the adoption of a quenching and tempering heat treatment technology for a positioning hook provided by the invention, the high temperature normalizing and the forging are caused to organically form a continuous production line; and therefore, the defects of the prior art are overcome, the energy resource is saved, the heat treatment quality is improved, the production period is shortened, the production cost is lowered and the radiation pollution to a workshop environment is reduced.

The invention relates to a dual-way passing detector of opposite-mounted sphere bed high temperature gas-cooled reactor fuel sphere, comprising an exciting unit, a sensing unit and a signal conditioning unit, wherein, the sensing unit comprises an exciting coil and two detection coils; the exciting coil and the detection coils are symmetrically arranged on two sides of a sphere conveying steel tube; signal power of sinusoidal voltage is amplified by the exciting unit and transmitted to the exciting coil of the sensing unit; the two detection coils of the signal conditioning unit and the sensing unit are connected, two ways of voltage signal of the detection coils are calculated and processed, and sine-wave voltage signal indicating sphere passing and passing direction is outputted; non-contact detection is adopted for detecting radioactive fuel sphere. The invention has the advantages of high signal-to-noise ratio of output signal, strong interference resistance, high resolution for continuous passing and passing of more than half a sphere as well as simple structure, convenient installation without damage to sphere conveying steel tube in construction.

The invention provides a CT based (Computerized Tomography) wide-breadth dynamic three-dimensional human body scanning system. The CT based wide-breadth dynamic three-dimensional human body scanning system comprises a near-infrared transmitter, a near-infrared receiver, a color camera and a PC (Personal Computer) end; the near-infrared transmitter is used for transmitting light covering human body surfaces; the near-infrared receiver is used for collecting light reflected by a human body; the color camera is used for collecting color image data of the human body; the PC end constructs a three-dimensional profile of the human body through simultaneously collected color data and depth data according to the receiving time difference of different light of the near-infrared receiver; the PC end constructs a positioning image according to an obtained three-dimensional human body surface patch image; the PC end confirms a CT scanning region according to the positioning image and controlling the radiation dosage during CT scanning according to a transverse image of the three-dimensional human body surface patch image. The CT based wide-breadth dynamic three-dimensional human body scanning system can well construct a starting position and a terminal position of scanning and controls the radiation dosage at different positions according to the section of the three-dimensional human body profile.

The invention discloses a container vehicle inspection system comprising an inspection channel; a movable engine room and arm rest which are used for installing a generation and receiving equipment; a ray unit which is used for generating scanning rays so as to scan a container passing through the main ray beams; a distance measurement sensor which is used for detecting the real-time displacement of the container; a container number identification system which is used for extracting the length of the container before the vehicle reaches the scanning area; and a microcomputer control unit which is connected with the distance measurement sensor, the container number identification system and the ray unit and used for controlling the ray unit to emit the scanning rays when the sum of the real-time displacement of the container measured by the distance measurement sensor and the length of the container equals to the preset distance. The time of ray emission can be accurately controlled in detecting the container vehicle so that only the container is ensured to be accurately scanned, radiation to the driver can be reliably avoided and the radiation pollution to the environment around the container can be reduced as much as possible.

The invention discloses a method for compacting and treating micro-radioactive waste. The method includes A, fixedly mounting a waste barrel on a barrel access slider outside a compaction cavity when a barrel access lifting door is opened; B, pulling the barrel access slider so that the waste barrel enters the compaction cavity to be in position; C, closing the barrel access lifting door, shifting a transition barrel mounted in the compaction cavity and enabling a lower opening of the transition barrel to match with an upper opening of the waste barrel; D, opening a feeding door and feeding materials into the waste barrel at one step; E, closing the feeding door, enabling a pressure head of a compactor to move downward, compact and maintain pressure; F, repeating the step D and the step E until waste in the waste barrel is sufficient when the pressure head ascends and returns, and stopping feeding; and G, lifting the transition barrel, opening the barrel access lifting door and pushing the barrel access slider to lead out the waste barrel. The method is simple in operation, operation steps are reduced, operation efficiency can be greatly improved, failure rate is reduced, the service life of equipment is prolonged, and radiation pollution to operators is reduced.

The invention discloses a foam glass-based composite radar absorbing material and a preparation method thereof. The method comprises the following steps of: adding zinc powder and manganese dioxide into borosilicate foam glass, evaporating the zinc powder at high temperature, and reacting the evaporated zinc powder with oxygen so as to generate zinc oxide in the foam glass in situ. In the method,the needed raw materials are readily available, the cost is lower, the operation process is simple, the material is baked by a powder fusion method, the preparation temperature is low, and the formula is high in stability and reliability. The prepared absorbing material has excellent performance of absorbing electromagnetic waves, is applied to radiation-proof buildings, microwave heating, electromagnetic shielding of electronic equipment and the like, and also can be applied in the fields such as ground fortification anti-radar detection and resistance to electromagnetic interference militarily, microwave unreflected chambers and the like to reduce the electromagnetic radiation pollution.

The invention provides a wide-breadth dynamic human body rapid scanning method, which comprises the following steps: 1, installing a CMOS (complementary metal-oxide-semiconductor transistor) camera; 2, rapidly shooting images and transmitting the images to a background PC (personal computer) machine in real time; 3 conducting intelligent human outline recognition, acquiring a human body image by virtue of the CMOS camera in real time and recognizing a human body region; 4, conducting intelligent recognition on the human body region and dividing the region into different regions corresponding to various parts of a human body; 5, by conducting size calibration and position calibration on a system, providing thickness sections at an equal proportion; 6, by conducting recognition, obtaining initial positions and sizes of the various parts of the human body, and providing diagonal coordinate values; 7, by acquiring location data of the various parts of the human body, designing a set of alarm system, and adopting various alarm modes in accordance with different security levels; and 8, selecting segmentation and detection modes in accordance with clothing in a detected object. With the application of the scanning method disclosed by the invention, a location image can be effectively acquired, without causing residual radiation influence on the human body.

The invention discloses a radio communication system and a radio frequency transmission control method. The radio communication system comprises a transmitter, a transmitting end control module, a transmitting end power supply, a receiver, a receiving end control module and a receiving end power supply, wherein the transmitting end control module is respectively connected with the transmitter and the transmitting end power supply; the receiving end control module is respectively connected with the receiver and the receiving end power supply; the receiving end control module is used for monitoring the power supply state of the receiver, generating enabling information and transmitting the enabling information to the transmitting end control module; and the transmitting end control module is used for receiving the enabling information and controlling the on / off of the transmitter according to the enabling information. By adopting the radio communication system and the radio frequency transmission control method, the power consumption of the transmitter can be controlled and the radio signal interference and radiation pollution can be effectively reduced.

The invention discloses blue-ray-resisting cream and a preparation method thereof. The blue-ray-resisting cream is prepared from the following components: EDTA-2Na (Ethylenediaminetetraacetic Acid Disodium Salt), butylene glycol, glycerol, betaine, sodium hyaluronate, niacinamide, allantoin, maltooligosyl glucoside, hydrogenated starch hydrolysate, a thickening agent, an emulsifier, polydimethyl siloxane, mineral jelly, a surfactant, glyceryl stearate / PEG (Polyethylene Glycol)-100 stearate, cetearyl alcohol, glyceryl stearate, polyglycerol-3 methyl glucose distearate, cyclomethicone, triethanolamine, phenoxyethanol, ethylhexylglycerin, caprylic / capric triglyceride, mung bean extract, oatmeal extract, polydimethyl siloxane, lecithin, flos buddlejae extract, hedychium coronarium root extract, coffea arabica seed extract and pure water. The blue-ray-resisting cream provided by the invention can be used for reducing active oxygen and free radicals generated by blue-ray radiation and enhancing the protection on skin, so that damage caused by blue ray to the skin can be reduced.

The invention provides an automatic detection device suitable for multi-diameter pipeline welding lines. A carrier dolly module (3) of the invention is arranged on a flexible track module (1); a scanner module (2) is fixed on the upper part of the carrier dolly module (3) through a vertical plate (8) and a horizontal plate (9); a probe combination module (4) is fixed on the lateral side of the carrier dolly module (3) through a tracking module (5); an encoder (6) is fixedly arranged on an angle adjusting block (3-4) of the carrier dolly module (3); and a motor (7) is fixedly arranged on a reduction gearbox (3-7) of the carrier dolly module (3). The invention can be applied to the diameter welding line detection of a series of pipelines; the efficiency of the detection technique of the invention in the pipeline girth welding line non-destructive detection is much higher than that of manual ultrasonic detection; and the invention is obviously superior in detection speed, environmental radiation pollution reduction and labor intensity decrease.

The invention provides an automatic ultrasonic flaw detection device for pipeline welding joints, which consists of an elastic rail assembly, a carrier trolley, a probe scanning assembly and a labeling mechanism, wherein, the carrier trolley is arranged on the elastic rail assembly, the probe scanning assembly is fixed on the carrier trolley through an elastic plate, and the labeling mechanism isfixed on the elastic plate. The device has the detection technology efficiency greatly higher than that of manual ultrasonic detection in the nondestructive detection of circumferential welding joints of pipelines, has apparent advantages of quick detection speed, environmental radiation pollution reduction, labor intensity reduction and so on, effectively reduces the misjudgment of defects, can ensure that a flaw detection image is visualized, can make real-time located, quantificational and qualitative display of the defects, inevitably hold the main advantage in the nondestructive detection of marine petroleum engineering, and have good development prospect.

The invention discloses a non-metal reinforcing rib for a track plate and a preparation method thereof. The non-metal reinforcing rib has a concrete solidified structure containing fiber ropes, the fiber ropes have woven structures of fiber strings woven from twisting fiber wires of organic long fibers, AR type glass long fibers and basalt long fibers, and the fiber wires contain thermosetting polymer gel. The non-metal reinforcing rib provided by the invention effectively combines the physical properties of metal materials, has the characteristics of high structural strength, high toughness,high impact strength, high firmness and the like, and can effectively replace a metal material reinforcing rib used in the track plate forming structure; moreover, the track plate manufactured by thereinforcing rib provided by the invention has the characteristics of light weight, low cost and the like, does not generate the problem of electromagnetic induction in the service of a manufactured track plate, is beneficial to reducing the radiation pollution of the electromagnetic induction to the surrounding environment in the operation of the track traffic, further is beneficial to improving the communication safety in the operation of the track traffic, and is economical, reliable and practical.

The invention relates to an anti-electromagnetism wind power generator rotor, and the rotor comprises a stator body. The stator body is formed by the continuous lamination of a plurality of silicon steel sheets (1). The silicon steel sheets are respectively of an annular structure with a central hole (2). The rotor is characterized in that the annular regions of the silicon steel sheets (1) are respectively provided with 3-6 fan-shaped grooves (3); each annular region between the adjacent fan-shaped grooves (3) is provided with an installation hole (4); the surfaces of the silicon steel sheets (1) are coated with anti-electromagnetism coating layers. The annular regions of the silicon steel sheets (1) are respectively provided with 3-6 fan-shaped grooves (3), thereby reducing the weight of the rotor, and enabling the energy conversion efficiency to be higher. Moreover, the rotor has an anti-electromagnetism function.

The invention relates to an anti-electromagnetic silicon steel sheet for a wind generator stator. The anti-electromagnetic silicon steel sheet comprises a silicon steel sheet body (1) and is characterized in that the silicon steel sheet body (1) is formed by welding a plurality of fan-shaped silicon steel sheet units (2) with the same central angle; a plurality of wire slots (3) are recessed inward in inner edges of the silicon steel sheet units (2); the silicon steel sheet body (1) is equipped with a plurality of round ventilation holes (4); the round ventilation holes (4) encircle the center of the silicon steel sheet body (1) to form a single-circle or multi-circle arrangement structure; and a surface of the silicon steel sheet is coated with an anti-electromagnetic coating. According to the anti-electromagnetic silicon steel sheet for the wind generator stator, the silicon steel sheet body is formed by welding the plurality of fan-shaped silicon steel sheet units with the same central angle so that waste of a lot of materials is avoided when the anti-electromagnetic silicon steel sheet for the wind generator stator is cut for molding, and the anti-electromagnetic silicon steel sheet has an anti-electromagnetic function.

The invention relates to an anion generating agent, a white top-coating and preparation methods. The anion generating agent is mainly prepared from raw materials as follows: hydrous magnesium-rich silicate, a magnesium-rich polar material and armorphous silicon dioxide, wherein the magnesium-rich polar material contains magnesium-containing silicate and a polar ore material. The anion generating agent can produce anions, and has the beneficial effects of purifying air, removing aldehyde, killing bacteria and improving air quality.

The invention discloses a clamping chain type connecting device for large-diameter vacuum flange butt joint. The clamping chain type connecting device comprises multiple arc-shaped clamped connectingblocks, the adjacent clamped connecting blocks are hinged to each other, the clamped connecting blocks are sequentially connected end to end to form a ring, the inner diameter of the ring is smaller than the vacuum flange diameter, and the outer diameter of the ring is larger than the vacuum flange diameter. Trapezoidal grooves are formed in the inner walls of the clamped connecting blocks, the clamped connecting blocks are clamped between two flanges through the trapezoidal grooves, and the head-end clamped connecting block and the tail-end clamped connecting block of the connecting device are detachably connected. After one fastening sleeve is unscrewed remotely through an internal hexagonal wrench, the whole connecting device can be dismounted from the flanges, operation is simple and convenient, the dismounting time is greatly shortened, dismounting safety is improved, and radiation pollution is reduced; and the device can be suitable for connecting flanges with different pipe diameters, after dismounting, the size is small, and the occupied space is small.

The invention discloses a wireless communication system and a radio-frequency transmission control method. The wireless communication system comprises a plurality of transmitters and a multi-path receiver, wherein the multi-path receiver comprises a plurality of channels, and each channel is corresponding to one transmitter for communication. Each transmitter is connected with a transmission end power supply by a transmission end control module, and the multi-path receiver is connected with a receiving end power supply by a receiving end control module; the receiving end control module is used for monitoring and controlling the power supply state of each channel of the multi-path receiver, generating a control command and sending the control command to the transmission end control module of each transmitter; the control command comprises at least one channel logo and power on / off control characters; the transmission end control module of each transmitter is used for receiving the control command, and only the transmission end control module containing a matched channel logo can be used for controling the power on or the power off of the transmitters according to the power on / off control characters.

The invention relates to an electromagnetism-proof picking side opening hook. It includes a hook part (1) and a hook handle part (2), the bottom of the hook handle part (2) is provided with a shaft sleeve (3) perpendicular to the hook part (1), and a first circular through hole (4) is opened in the middle ), the middle part of the bushing (4) has a second circular through hole (5), the upper and lower end surfaces of the head of the hook (1) are respectively set in a curved shape, the hook (1) and the hook The surface of the handle (2) is coated with an anti-electromagnetic coating. The invention discloses an anti-electromagnetic hook that opens on the side of the picking shuttle. During use, the space required for its rotation is reduced, and it can avoid collisions with other components, and at the same time reduce its own stress. Weight, thereby improving work efficiency; and has the function of anti-electromagnetic.

The invention discloses an anti-blue light cream and a preparation method thereof. The anti-blue light cream comprises the following components: EDTA‑2Na, butanediol, glycerin, betaine, sodium hyaluronate, nicotinamide, allantoin, maltooligosaccharide Glucoside, Hydrogenated Starch Hydrolyzate, Thickener, Emulsifier, Dimethicone, Petrolatum, Surfactant, Glyceryl Stearate / PEG‑100 Stearate, Cetearyl Alcohol, Glyceryl Stearate, Polyglyceryl‑3 Methyl Glucose Distearate, Cyclomethicone, Triethanolamine, Phenoxyethanol, Ethylhexylglycerin, Caprylic Capric Triglyceride, Mung Bean Seed extract, oat extract, dimethicone, lecithin, buddha extract, ginger root extract, coffee seed extract, and purified water. The invention provides an anti-blue light cream, which can reduce active oxygen and free radicals generated under blue light radiation, strengthen the protection of the skin, and thereby reduce the damage of the blue light to the skin.

The invention relates to an anti-electromagnetic textile machine needle comprising a needle body part (1), a needle point part (2), a bending part (3) and a hook part (4); one end of the needle body part (1) is connected with the needle point part (2) and the other end is connected with the bending part (3); the hook part (4) is installed at the other end of the bending part (3); a hook tip (5) ofthe hook part (4) is bent to the needle body part (1); the needle body part (1) is provided with a groove; the hook tip is embedded in the groove. The textile machine needle is coated with anti-electromagnetic coating on the surface. The invention provides an anti-electromagnetic textile machine needle which has simple structure; yarn can be easily placed and blocked by a blocking rod, which increases work efficiency and the needle has the anti-electromagnetic function.

The invention discloses a novel electric hair dryer which comprises a hair dryer shell body, a handle, an electric motor, a fan, an air outlet, an air outlet machine head, a switch and a heating device, wherein the hair dryer shell body is connected to the handle; the electric motor is disposed in the hair dryer shell body; the fan is disposed on a shaft end of the electric motor; the switch is disposed on the handle; the heating device is disposed at the air outlet of the hair dryer; a sound-absorption material layer is disposed on the inner side of the hair dryer shell body; the air outlet machine head is disposed at the front end of the air outlet of the hair dryer and is in a threaded connection with the hair dryer shell body; and the air outlet is connected to the air outlet machine head. The invention provides the novel electric hair dryer which has the advantages of a compact structure, convenient assembly and disassembly, easy manufacture, high safety and reliability, and high practicability.

The invention discloses CT (Computed Tomography) equipment and a radiation protection device thereof. The radiation protection device comprises a plurality of radiation protection plates arranged on the shell wall of a shell (5) of the CT equipment, the radiation protection plates comprise a first radiation protection plate (2) and a second radiation protection plate (3), wherein the first radiation protection plate (2) is used for surrounding the inner wall of a middle hole (1) of the CT equipment, and an opening used for avoiding rays emitted by a ray source (6) of the CT equipment is formed in the first radiation protection plate (2); the second radiation protection plates (3) are used for being arranged in the middle hole (1), the number of the second radiation protection plates (3) is multiple, and the second radiation protection plates (3) are symmetrically arranged on the two sides of the opening; and the third radiation protection plates (4) are used for being arranged on the two sides of the machine shell (5). According to the radiation protection device, the radiation protection device is directly installed in the CT equipment, radiation pollution of the CT equipment to a tested person and accompanying persons near the CT equipment is directly reduced, and the radiation problem is solved.

The invention relates to an anti-electromagnetic textile roller. It includes a roller shaft (1) and a roller body (2), the roller shaft (1) is set inside the roller body (2), and the roller body (2) is provided with an elastic layer (3) and a pulling The pulling layer (4), the elastic layer is a rubber layer, the pulling layer is a steel belt layer, and the surface of the roller cylinder (2) is coated with an anti-electromagnetic coating. The invention discloses an anti-electromagnetic textile roller, which has the advantages of simple structure, long service life and low energy consumption; and has the function of anti-electromagnetic.

This invention provides an automatic controlled FM transmitting device including a FM transmitter and an outer host, in which, a slave control part is connected with the outer host, the FM transmitter includes a slave controller, a FM modulator and an emission antenna, the input of the slave controller is connected with a primary controller, the output of the slave controller is connected with the FM modulator, the output of the FM modulator is connected to the emission antenna. A method includes: the slave controller judges if there is sound source input from the exterior host, if there is sound source input, the supply of the FM modulator is turned on to supply to the FM modulator to emit modulation carrier signals, when there is not sound source input, the supply is cut off after timing a period of time to shut the emitter and stop the emission of FM carrier signals.

The invention discloses a radio communication system and a radio frequency transmission control method. The radio communication system comprises a transmitter, a transmitting end control module, a transmitting end power supply, a receiver, a receiving end control module and a receiving end power supply, wherein the transmitting end control module is respectively connected with the transmitter and the transmitting end power supply; the receiving end control module is respectively connected with the receiver and the receiving end power supply; the receiving end control module is used for monitoring the power supply state of the receiver, generating enabling information and transmitting the enabling information to the transmitting end control module; and the transmitting end control module is used for receiving the enabling information and controlling the on / off of the transmitter according to the enabling information. By adopting the radio communication system and the radio frequency transmission control method, the power consumption of the transmitter can be controlled and the radio signal interference and radiation pollution can be effectively reduced.

The invention relates to a weather-resisting silicon steel sheet with high safety. The weather-resisting silicon steel sheet comprises a ring-shaped silicon steel sheet body (1), wherein two sides of the inner side of the silicon steel sheet body (1) are each provided with two wire-winding support feet (2), the inner sides of each pair of two wire-winding support feet (2) form an oval rotor space, positioning grooves (3) are formed in upper and lower sides of the silicon steel sheet body (1), a bump (4) is arranged in each positioning groove (3), the silicon steel sheet body (1) is further provided with buckling blocks (5), and the surfaces of the silicon steel sheet body are coated with an anti-electromagnetic coating. The weather-resisting silicon steel sheet with high safety has the advantages of being high in safety, generates not sparks in the clearance between a rotor and a stator, is convenient in manufacturing, and can effectively prevent electromagnetic interference.

A road lighting device, a corresponding distributed node energy-saving lighting system and a method for operating the same. The road lighting device is connected to a light source (111) and has a power module (112). The road lighting device further comprises a sensing control unit and a communication control unit, wherein the sensing control unit enables the light source to be in a normal lighting state according to a vehicle signal, and the communication control unit enables the light source to be in a normal lighting state according to broadcast information containing a triggering instruction code. The sensing control unit and the communication control unit can separately or jointly control the light source, thus achieving intelligent control, rendering it possible for each road lamp equipped with such a road lighting device to independently carry out intelligent judgment on road usage and carry out dynamic energy-saving adjustment in real time, so as to ensure necessary useful illuminance and eliminate useless illuminance as far as possible. By using the distributed node energy-saving lighting system and the method for operating the same, all the road lamps are interconnected to form a network, thereby achieving intelligent automatic identification of failure and information feedback, as well as remote intelligent management and point-to-point control.

The invention discloses a method for drying an electric furnace by using molten iron. The method comprises the following steps of: paving a layer of ramming material at the bottom of a newly-built furnace in advance; paving a layer of light and thin material which is a wood material and an iron sheet on the ramming material; adding scrap steel in an amount which is 20 to 35 percent based on the capacity of the furnace into the furnace; electrifying an electrode for arc ignition, slowly increasing power from 30-40MW to 60-70MW, and melting the scrap steel; opening an oxygen lance on a furnace wall, adding the molten iron in an amount which is 30 to 60 percent based on the capacity of the furnace into the furnace, and continuously electrifying for oxygen blowing to ensure that the scrap steel is completely melted; adding 0.03 to 0.05 ton of lime slagging material into 1 ton of steel, and performing the normal steel smelting process; measuring the temperature of molten steel by using a thermocouple, stopping electrifying and supplying oxygen when the temperature of the molten steel reaches 1,600-1,650 DEG C, and drying the furnace for 15 to 30 minutes; and tapping if the temperature and components of the molten steel reach the required ranges. The method has the advantages of low energy consumption, short time and low cost.