67results about How to "No dirt" patented technology

The invention provides high-performance ocean platform steel and its production method. When the thickness of a steel plate is 8-40mm, the steel plate is composed of the following chemical components, by weight, 0.11-0.13% of C, 0.20-0.50% of Si, 1.45-1.55% of Mn, 0.012% or less of P, 0.003% or less of S, 0.035-0.045% of V, 0.025-0.030% of Nb, 0.050% or less of Ti, 0.020-0.050% of Al, and the balance Fe and inevitable impurities; and when thickness of a steel plate is 40-100mm, the steel plate is composed of the following chemical components, by weight, 0.10-0.12% of C, 0.20-0.50% of Si, 1.50-1.60% of Mn, 0.012% or less of P, 0.003% or less of S, 0.070-0.075% of V, 0.030-0.040% of Nb, 0.050% or less of Ti, 0.020-0.050% of Al, and the balance Fe and inevitable impurities. The production method of the steel plate of the invention comprises the steps of electric furnace smelting, LF furnace refining, VD vacuum treatment, continuous casting (or die casting), heating, control rolling, cooling, stacking, and normalizing to prepare the steel plate. Through a reasonable component design and process optimization, the steel plate of the invention has excellent mechanical performances, welding performances and processing performances, and has strong market competitiveness.

The invention relates to the technical field of water paint wastewater treatment, in particular to a water paint production wastewater retreatment method. The method includes: step one, adding wastewater into a wastewater settling tank, adding polyaluminium chloride which is 0.1-0.3%. of the wastewater in weight, and starting an air pump for blowing and mixing for 20-40 minutes; and step two, after floating particulate matters in the wastewater are stable, slowly adding polyacrylamide solution with the weight being 0.25-0.75% of that of the wastewater and the concentration being 0.5-1.5%. to enable the floating particulate matters in the wastewater to be completely flocculated and the water to be clear. The wastewater is subjected to chemical flocculating settling, mechanical filtering and disinfection and then reused for production after water quality is qualified, the separated sludge can be subjected to drying and grinding and then used for production of construction putty powder, and accordingly 'zero emission' in production of water paint is realized, loss of raw materials and additives is reduced while discharge of wastewater and waste residue is avoided, and sewage-free, harmless and environment-friendly production process is realized.

The invention discloses a preparation method of aluminum alloy composites for brazing heat transmission. It treats the pre-welding matrix and coating surface by using techniques including polishing, high pressure wind and alcohol cleaning, which can get flat surfaces without mark or filth and material structures without bleb or impurity. Milling is finished based on homogenizing treatment to avoid oxidation of the processing surface. The invention is reliable and practical and has on pollution on environment. According to the tests of the special inspection department, the products' performances can meet the standard requirements, which get good evaluations from users.

The invention provides a water switch device of a water-saving drum type washing machine, and a drum type washing machine, relates to the technical field of water-saving drum type washing machines, and solves a technical problem of difficulty of water drain by an internal cylinder of a water-saving drum type washing machine in the prior art. The water-saving drum type washing machine comprises animporous internal cylinder coaxially arranged in an external cylinder; a plurality of drain holes are formed in the internal cylinder; the outer wall of the internal cylinder is provided with a sealing rod capable of capping and opening a row of drain holes; two ends of the sealing rod are movably installed on the internal cylinder via a pin roll of a rebounding device; the other end of the internal cylinder of the drum type washing machine is provided with a balance ring; the end part of the external cylinder is provided with a glass door; and the end part of a flange shaft is connected withan external motor rotor and fixed via a fixing nut. The water switch device has novel and smart design and can be full-automatically controlled; no water is contained between the internal cylinder andthe external cylinder of the drum type washing machine, so water resource can be saved; no dirt is produced between the internal cylinder and the external cylinder, so environment-protection can be achieved for the washing machine.

The invention relates to a household automatic sewage processor including a case and has the technical key points that: the upper part of the case is provided with a disk horizontal type screen pipe, the center of the tail end of the screen pipe is connected with a sewage disposal duct, and the lower end of the side wall of the tail end of the screen pipe is connected with a screen sewage duct; the screen sewage duct is connected and provided with an automatic control three way valve type sewage discriminator which can distinguish and determine whether sewage is recycled for use or drained according to the transmittance of the sewage, the outlet of the sewage discriminator is respectively connected with a sewage storing container and a sewage pipe through the sewage disposal duct; a clear water storing container is arranged below the sewage storing container, and the clear water storing container and the sewage storing container are internally provided with a brushing cleaner respectively; filtrating equipment is arranged in the sewage storing container, a water filtrating duct is connected between the clear water storing container and the sewage storing container, and a clear water supply outlet is arranged at the bottom of the clear water storing container. The sewage processed by the invention can achieve the effects of pureness, no odor, on impurities, no dirt and low bacterium.

The invention relates to an alcohol-group liquid fuel, and a preparation method thereof, pertaining to the technical field of new energy. One ton of alcohol-group liquid fuel comprises 600Kg to 800Kg of water and methanol, 3Kg to 7Kg of sodium carbonate or sodium chloride, 1Kg to 6Kg of furoic acid, 20Kg to 40Kg of light oil, 5Kg to 15Kg of castor oil or cottonseed oil, 10Kg to 20Kg of petroleum ether, 10Kg to 20Kg of C7 or C8, 3Kg to 8Kg of fusel, 5Kg to 15Kg of hydrogen peroxide or 0.1Kg to 0.4Kg of potassium permanganate, 2Kg to 8Kg of isopropyl alcohol, 2Kg to 8Kg of isobutyl alcohol, 2Kg to 10Kg of Tween and 1Kg to 6Kg of camphor oil. The preparation method of the liquid fuel comprises the technological steps: the water and the sodium carbonate or the sodium chloride, the furoic acid, the light oil, the castor oil or the cottonseed oil, the petroleum ether, the C7 or the C8, the fusel, the hydrogen peroxide or the potassium permanganate, the isopropyl alcohol, the isobutyl alcohol, the Tween and the camphor oil are respectively added in the methanol. The alcohol-group liquid fuel has simple technology, low investment and high efficiency and belongs to an economic and safe new energy with environmental protection and energy conservation indeed.

The present invention relates to the technical field of materials, in particular to a cleansing color-coated steel sheet for purification and a preparation method thereof. The cleansing color-coated steel sheet for purification comprises: a smooth galvanized substrate (101); The chemical conversion layer (103), the primer layer (104), and the top paint layer (106) are sequentially upward from the surface, and the chemical conversion layer (103) and the back paint layer are sequentially downward from the lower surface of the substrate (101) (105). The present invention greatly improves the adhesion of the coating by improving the structure and process of the color-coated steel plate, and obtains a clean color-coated plate with a delicate and smooth outer coating surface. Compared with the existing color-coated steel plate, its The advantages are: good surface characteristics, bending processing performance, easy cleaning and resistance to repeated scrubbing, non-toxic and environmentally friendly, and the preparation method of the present invention is simple and effective, with less equipment investment and low cost, and is very suitable for large industrial production.

A full solid state radio transmission equipment and electronic power component dual-cooled source liquid cooling system comprises a heating block cooling system, a first grade exchange cooling system, a gas or liquid transportation pump and a sealing pipeline, the invention is characterized in that the system further comprises a second grade refrigeration system provided with a liquid level switch. The whole system adopts a closed-loop structure and has the advantages of full closing, no noise, no impurity and clean environment. The whole system adopts liquid cooling direct exchange technology, avoids the air condition wind, natural wind and other moisture air or clotted water entering the electronic components, and effectively ensures the safety of the system. At the same time the sealing pipeline of the system is provided with a plurality of parallel connection dual directions rapid interfaces, which can be connected with the external equipment, the unlimited expansion of the system functions can be realized.

The invention relates to a supply pipeline of developing solution, comprising developing solution pipelines, developing solution nozzle arranged at front end of the developing solution pipelines, anda de-ionized water pipeline parallel with the developing solution pipelines; the de-ionized water pipeline is connected to the developing solution pipelines by being mounted to a control valve of thedeveloping solution pipelines. By adopting the structure of the invention, crystallized substance in the nozzle can be discharged, and the deposit in the pipelines can be cleared up, thus reducing opportunities of poor development.

The invention provides a printing method for a plastic packaging bag. The method includes the steps that a thin film A is coated with an adhesion agent under the action of a compression roller and then is put into a drying apparatus to be dried, and the drying temperature is 46-50 DEG C; the dried thin film A is bonded with a thin film B under the action of the compression roller so that a composite film can be formed, the composite film passes through the gap between a discharge tool rest and a blade, and a high-frequency and high-voltage power source is used for generating corona so that thecomposite film can be subjected to surface treatment; a printing area of the composite film is preheated, and the preheating temperature is 40-50 DEG C; a reverse image-text printing plate is adoptedto transfer printing ink onto the surface of the printing area of the composite film; ultraviolet rays are used for irradiating the printing ink of the printing area, so that the printing ink and thecomposite film are subjected to a cross-linking reaction; the composite film irradiated by the ultraviolet rays is put into a reaction still, the intensity of pressure is set to be 2-5MPa, the temperature is set to 4-8h, stable curing is performed, and the time is 3h; and the thin films are fed into a curing chamber to be subjected to a curing reaction. When the technology is adopted to produce the plastic packaging bag, the advantages of being good in printing firmness and clear in printing effect are achieved.

The invention relates to a building sealant. The building sealant is prepared from the following components in parts by mass: 100 parts of hybrid resin, 0 to 20 parts of plasticizer, 100 to 400 parts of calcium carbonate, 0 to 3 parts of ultraviolet absorbent, 2 to 12 parts of silane coupling agent, 3 to 10 parts of silane crosslinking agent and 0 to 3 parts of catalyst. The building sealant has the beneficial effects that 1, the environment-friendly and non-toxic effects are realized, the emission of VOC (volatile organic compound) is zero, the harm to environments and human bodies is avoided, and the building sealant is a green product; 2, the construction technology is simple, the extrusion property is good, and the sagging and collapsing are avoided; 3, after curing, the adhering property on tiles, marbles and the like is good, the pollution to the tiles is avoided, the flatness is high, the color and luster is bright, the certain toughness is realized, the flushness of the tile joint and the tile surface is ensured, and the hollow and loosening are prevented; 4, after curing, the color is fresh, fine, smooth and uniform, and multiple colors can be matched according to requirements; 5, the waterproof and moistureproof effects are realized, the blackening and mildewing are avoided, the dirt is avoided, the cleaning is easy, and the building sealant is very suitable for high-grade workplaces of hotels, discos hall, luxury real estates, conference rooms and the like.

The invention provides a wet-method three-stage smoke elimination, dust removal and gas purification device for purifying combustion smoke gas and organic waste gas with a double-alkali method, a sodium-alkaline method, a magnesium method, an ammonia method, a waste alkaline liquid method, a sea water method, and the like. The device comprises a main tower and an inner tower, wherein, the main tower is provided with a gas purification outlet pipe, a waste gas inlet pipe, an outlet pipe for ash water and ash slag, and a medicine liquid spraying pipe; the inner tower is provided with a top plate and a central duct, and is coaxial arranged with the main tower. The device is characterized in that a baffle plate for dividing the circular ring cylindrical space between the two towers into an upper space and a lower space which are not communicated with each other is fixedly connected between the main tower and the inner tower; the upper space is provided with a water outlet; the wall of the inner tower is provided with a tangential inlet and a tangential outlet; waste gas enters the central duct from the lower space through the tangential inlet and enters the upper space from the central duct through the tangential outlet; the side wall of the main tower is provided with a flush hole which can be used for removing ash in the tangential inlet and the tangential outlet. Therefore, the device can effectively eliminate smoke and remove fluorine, nitre, nitrogen and organic waste gas. The Ringelmann blackness of the smoke is less than or equal to grade one, the dust removal rate is more than or equal to 99.99 percent, the dust discharging concentration is less than or equal to 30mg / m<3>, and the desulfurization degree is more than or equal to 99 percent. Besides, the invention ensures continuous and efficient purification and lowers the cost of the towers and the device.

The invention discloses a loudspeaker module and relates to the technical field of electric-acoustic products. The loudspeaker module comprises a shell. A loudspeaker single body is contained in the shell and partitions an inner cavity of the whole module into a front acoustic cavity and a rear acoustic cavity. A speaking area is arranged at the position, corresponding to the front acoustic cavity, of the shell. Micro-holes which communicate the front acoustic cavity with the outside of the module are distributed in the speaking area. The loudspeaker module solves various adverse technical problems caused by screen cloth pasted to a speaking opening of a module in the prior art. The loudspeaker module is good in uniformity and acoustic performance, excellent in dustproof effect, attractive in appearance, high in production efficiency and low in production cost. Meanwhile, research and development and debugging are flexible, and the research and development period is short.

The invention belongs to the field of body repairing, in particular relates to a repairing method of a body cave, in particular to the devices of a diesel engine, an engine, and the like which work under a high-temperature condition. The invention solves the technical problem of providing a novel method for repairing the body cave to increase the service life of the device. The repairing method comprises the following steps of: A, cleaning the surface of a body cave part; B, coating an industrial repairing agent on the body cave part; C, initially solidifying: maintaining 2-3 hours at the temperature condition of 25-30 DEG C; D, finally solidifying: heating the repaired part of the body to the temperature of 70-100 DEG C and maintaining at least 24 hours at the temperature of 70-100 DEG C; and E, processing: mechanically processing the completely-solidified surface to be repaired according to the use requirement of the body. The repairing method can ensure the body of the diesel engine not to be repaired again in an un-wheeling repair period, and the service life of the diesel engine body is prolonged to 8-10 years from 5-6 years.

The invention discloses a toilet with a smooth water diversion platform. The toilet is provided with a blow-off pipeline, a water tank, a housing washer, a bedpan, a drainage channel and a drainage port in the lower part of the water tank. The drainage channel is formed between the drainage port and the housing washer, and is used for connecting the drainage port and the housing washer. Two water injection nozzles and cleaning holes are formed in the housing washer at a joint of the housing washer and the drainage channel. A water diversion platform is arranged on the inner upper part of the bedpan below the housing washer. The drainage channel is communicated with the inner upper part of the bedpan only through the two water injection nozzles and the cleaning holes.

The invention discloses aslightly-swing-type double-layer cribfor earthquake escape. Theslightly-swing-type double-layer crib comprisestwo sets of first frames, two sets of second frames, a swing bed and a crank rocker support, wherein the first frames and the second frames are distributedon the four sides of a crib body in asymmetrical mode, the lower ends of the first framesareconnected with supporting plates in a riveted mode, and two sets of No.1 universal casters are installed at the lower end corners of each of the supporting plates; and positioningcolumns are movably installed at the lower ends of the supporting platesand located beside theNo.1 universal casters, and adjusting bolts acting on thepositioning columns are movably installed in the supporting plates. According to the slightly-swing-type double-layer crib for earthquake escape,the crib adopts double-layer design, the common swing bedis arranged on an upper layer, and a steel box for earthquake escapeis arranged on a lower layer is;and the distribution design is reasonable, the size is moderate,the overall structure is high in fastening degree, firm and durable,anultraviolet sterilizing lamp is arranged, the bactericidal effect is achieved, the function ofthe crib is enriched, the crib is suitable for different working conditions, and better use prospects arebrought.

The invention provides an electric steamer, which includes a cabinet body, an inner cavity arranged in the cabinet, a water tank, a steam generating room and a controller; the inner cavity is connected with the steam generating room through a steam pipe; the water tank is connected through a second A water flow channel is connected with the steam generating chamber; the steam generating chamber is provided with a metal plate for contacting with water to generate steam and an electromagnetic heating coil for heating the metal plate; the metal plate is arranged on the top of the electromagnetic heating coil ; The first water flow channel is provided with a first valve for controlling the flow of water out of the water tank; the steam generating chamber is provided with a first temperature sensor; the first valve and the first temperature sensor are electrically connected to the controller respectively connect. The invention has the advantages of saving electricity, water, time and long service life.

The invention relates to an electronic analytical balance capable of conducting self-cleaning. The electronic analytical balance capable of conducting self-cleaning comprises a measuring pedestal and a measuring room arranged on the measuring pedestal, and further comprises a cleaning room also arranged on the measuring pedestal; the cleaning room is composed of an ultrasonic cleaning device and a drying device; the ultrasonic cleaning device is composed of an ultrasonic generator, an ultrasonic transducer and a detergent spraying device; the drying device is arranged in the measuring room, wherein the drying device comprises an electric heating tube; the electric heating tube extends from the cleaning room into the measuring room. According to the technical scheme, the effect that a measuring table of the electronic analytical balance and the surface of an object to be measured do not have dirt is ensured, so that a more accurate measuring result can be obtained; meanwhile, the electric heating tube is used for heating the inside of the measuring room, residual detergent on the measuring table and the object to be measured can be evaporated rapidly, measuring errors are reduced, and the inside of the measuring room also can be kept dry so as to prevent humid air from affecting measuring data.

The invention discloses a circulating paint spraying line. The circulating paint spraying line comprises an operation room, a conveying line, a spraying device and an air supply device, wherein the operation room is integrally in a rounded rectangular ring shape, the conveying line is located in the operation room, and the conveying line comprises two conveying guide rails arranged in parallel andconveying chains running in the conveying guide rails; the spraying device is located in the operation room and comprises a workbench and a mechanical frame, and a pressure pump, a coating barrel anda mechanical frame are sequentially arranged on the workbench. The situation that spraying liquid flows to the bottom of a sprayed object along the manufactured object, and consequently dirt is abnormal is avoided, and the overall structural design is compact and reasonable; a rack at the bottom of a hanger base is meshed with a conveying gear, the conveying line drives a carrier to advance, andtime and labor are saved; the air speed and the size of the air entering a first air supply outlet and a second air supply outlet can be adjusted through a three-way control valve, the circulating paint spraying line can be suitable for drying different types of workpieces, and the workpieces on the conveying line can be rapidly dried.

The invention discloses a water drainage and dehydration control method of a self-cleaning washing machine. Cleaning particles moving along water flow to clean the outer wall of an inner tub and the inner wall of an outer tub are arranged in the space between the inner tub and the outer tub of the washing machine, a water drainage instruction is received to turn on a water drainage valve; the amount of the cleaning particles per unit volume of the water in the space is judged; the rotating speed of the inner tub is controlled to adjust the friction and collision frequency between the cleaning particles and the inner and outer tubs. The water drainage and dehydration process of the washing machine is divided into at least two control stages according to the cleaning particles per unit volume of the water in the space, different inner tub rotation modes are set for each stage, and the rotation speed of the inner tub is higher at the stage that the amount of the cleaning particles per unit volume of the water is larger. In the drainage and dehydration process, corresponding control stages are selected according to the amount of the cleaning particles per unit volume of the water in the washing machine. The control method is simple, dirt on the walls of the tubs of the washing machine can be completely removed, a washing environment is kept clean, secondary pollution is completely eradicated, and clothes cleaning rate is improved.

The invention provides an air purification module for an electrostatic water ion body, and relates to the field of air purification. The air purification module comprises a liquid guiding device, a dust collection plate array, an ionization charge plate array, a high-voltage module and a fan; the dust collecting plate array comprises at least one row of dust collecting plates, the dust collectingplates with outer surfaces coated with insulating materials are made of conductive materials; the liquid guiding device is used for guiding liquid to the dust collecting plate array, so that the liquid flows through the surfaces of the dust collecting plates; the front of the dust collecting plate array is provided with the ionization charge plate array opposite to the dust collecting plates in polarity and used for ionizing air, and the ionization charge plate array comprises at least one row of conductive plates; the high-voltage module is used for providing high voltage for the dust collecting plate array and the ionization nuclear power plate array; a fan is arranged behind the dust collecting plate array; and the fan is arranged at the rear part of dust collecting plate array and is used for guiding the air to enable air to flow through the ionization charge plate array and the dust collecting plate array in sequence. According to the air purification module, large particles can be adsorbed, secondary pollution is avoided, cleaning is not needed, the generation amount of ozone can be greatly reduced, and harmful substances such as particulate matters, TVOC in the air with no consumable is really realized.

The invention provides a water switch device of a water-saving drum type washing machine and a drum type washing machine, relates to the technical field of water-saving drum type washing machines, andsolves a technical problem of difficulty of water drain by an internal cylinder of a water-saving drum type washing machine in the prior art. The water-saving drum type washing machine comprises an imporous internal cylinder coaxially arranged in an external cylinder; a plurality of water through pipes are arranged on the internal cylinder; a water through shaft is disposed in the water through pipes; a plurality of drain ports are arranged on the water through pipes; the water through shaft is provided with a plurality of drain holes corresponding to the drain ports; with control of axial slide or radical rotation of the water through shaft, the drain holes and the drain ports can be communicated or drain water in a staggered way; the other end of the internal cylinder of the drum type washing machine is provided with a balance ring; and the end part of the external cylinder is provided with a glass door. The water switch device has novel and smart design and requires low cost; no water is contained between the internal cylinder and the external cylinder of the drum type washing machine; water resource can be saved; no dirt is produced between the internal cylinder and the external cylinder, so environment-protection can be achieved for the washing machine.

The invention discloses an ultraviolet sterilization device and a washing machine. The ultraviolet sterilization device comprises a shell possessing a cavity, a water inlet, a water outlet, an ultraviolet lamp tube and an automatic cleaning device, wherein the water inlet and the water outlet are arranged on the shell; and the ultraviolet lamp tube and the automatic cleaning device are arranged inthe cavity. The automatic cleaning device comprises an impeller and a cleaning brush. The impeller is rotatably arranged on the shell. The cleaning brush is fixedly connected to the impeller and canbe synchronously rotated with the impeller. The bristle of the cleaning brush is contacted with the tube wall of the ultraviolet lamp tube and is used for cleaning the ultraviolet lamp tube. The structure of the ultraviolet sterilization device is simple, the rotation of the impeller drives the cleaning brush to rotate, the external surface of the ultraviolet lamp tube having a sterilization effect is cleaned, the surface of the ultraviolet lamp tube can be guaranteed to be clean, ultraviolet light penetrability can be guaranteed and a high-efficient sterilization effect can be lasted for a long time. The cleaning brush is a soft hairbrush, and the bristle is fine, soft and smooth, and does not damage the surface of the ultraviolet lamp tube.

A full-washing spray pedestal pan comprises a water tank, a bedpan and a water discharging port at the lower part of the water tank, wherein a water discharging channel is communicated with the water discharging port of the water tank and the inner upper part of the bedpan; one end of the water discharging channel is arranged below the water discharging port of the water tank; the other end of the water discharging channel is arranged on the rear upper part of the bedpan close to the water tank; the water discharging channel is provided with water spaying ports at the end part of the rear upper part of the bedpan; the water discharging channel is communicated with the inner upper part of the bedpan only through the water spray ports; two water flow platforms and a water introducing platform are arranged at the inner upper part of the bedpan; the water flow platforms are provided with water inlet ends; the water introducing platform is of concave-shaped and is arranged between the water inlet ends of the two water flow platforms; and the two water spray ports are arranged above the concave part of the concave-shaped water introducing platform.

The invention discloses an aluminum pot and a manufacturing method thereof. The aluminum pot comprises a pot body. The aluminum pot is characterized in that the pot body comprises an aluminum alloy inner layer, the aluminum alloy inner layer comprises a pot opening part, a connecting part and a pot bottom part, the pot opening part, the connecting part and the pot bottom part are integrally connected, the connecting part is located between the pot opening part and the pot bottom part and is thinner than the pot opening part and the pot bottom part, a first stainless iron outer layer is arranged at the periphery of the pot opening part, and a second stainless iron outer layer is arranged on the pot bottom part. The aluminum pot has the advantages that the first stainless iron outer layer isarranged at the periphery of the pot opening part, the second stainless iron outer layer is arranged on the pot bottom part, the pot can be used in an induction cooker, the opening part of the pot body can be effectively protected, and the pot has good falling-prevention performance. The manufacturing technology is simple, and the product structure is stable.

The invention discloses a facial lotion. The facial lotion is characterized by being rose flower protoplasm. The facial lotion disclosed by the invention is extracted at a low temperature, so active components of rose flowers, which are beneficial for the human body, are not damaged; the facial lotion is also free of impurities; the rose flowers are pure in flavor and free of dirt. By being sprayed or coated on skin or orally taken, the facial lotion has the effects of improving the skin gloss, balancing grease secretion of oily skin, rapidly replenishing water to dry skin, improving the elasticity of skin, promoting the metabolism of skin and delaying the decrepitude of skin, so the facial lotion is a good product for caring skin and beautifying face. The facial lotion disclosed by the invention can also be used for preparing additives for health care products, beverages, foods and makeups.

The invention discloses a photovoltaic module glue overflowing groove frame which comprises a frame body, the frame body comprises a frame surface A, a frame surface B, a frame surface C, a glue overflowing groove and glue sealing openings, the glue overflowing groove is formed in the inner side of the frame surface A, and the glue sealing openings are formed in a groove opening of the glue overflowing groove and the inner side of a cavity. The photovoltaic module glue overflowing groove frame has the advantages that after module encapsulation is completed, the glue sealing openings can overflow silica gel more easily to guarantee the glue sealing effect of a module, redundant silica gel on the face A of the frame can flow into the glue overflowing groove, it is guaranteed that the front glass face of the module is free of dirt, the use amount of aluminum materials is reduced by changing the thickness of the frame surface B, the thickness of the frame surface C and the width of the frame surface C, and meanwhile, the material cost is reduced.

The invention provides a lens assembly adjusting device. The lens assembly adjusting device comprises a clamping module, a calculating module and an adjusting module. The clamping module is used for clamping a lens assembly, the calculating module is used for calculating the included angle of the lens assembly relative to the image sensor, the adjusting module and the clamping module are attachedtogether, the clamping module is adjusted according to the included angle calculated by the calculating module, and when the adjusted included angle meets the preset angle, the clamping module is locked. The invention further provides a method for adjusting the lens assembly adjusting device. According to the invention, the adjustment precision and efficiency are improved, pollution to the lens isavoided, the service life of the device is prolonged, and the debugging frequency is reduced.

The invention relates to a preparation method of a high-entropy steel bond hard alloy with a core-edge structure, and the preparation method of the high-entropy steel bond hard alloy with the core-edge structure comprises the following steps: S1, preparing high-entropy alloy powder of a single solid solution; s2, 50-60% by weight of titanium carbide powder, 10-20% by weight of tungsten carbide powder, 15-20% by weight of iron powder and 10-15% by weight of high-entropy alloy powder are mixed and subjected to ball milling treatment, then drying and sieving are conducted, mixed powder is obtained, paraffin is adopted as a ball milling forming agent, and absolute ethyl alcohol is adopted as a ball milling medium; and S3, the mixed powder is subjected to compression molding and sintering treatment, the high-entropy steel bond hard alloy with the core-edge structure is obtained through a special sintering process, and the high-entropy steel bond hard alloy is low in cost and good in environmental protection property and can still have extremely high hardness and good strength and toughness under the condition that the hard phase content is small.