74results about How to "Easy to clean later" patented technology

The invention relates to the technical field of cleaning devices, in particular to a platform debris cleaning device for mechanical processing, which includes a baffle plate, a connecting shaft connected to the inner thread of a threaded casing, and a cleaning device fixedly connected between the two connecting shafts, and the cleaning device The length matches the width of the workbench. The end of the workbench far away from the baffle is symmetrically provided with two second electric telescopic rods. The upper end of the telescopic rod is fixedly connected with a movable plate, and two vertical springs are symmetrically arranged between the movable plate and the fixed plate, and a filter bag is penetrated between the two springs, the movable plate and the fixed plate, and the filter bag The pore size is smaller than the diameter of the debris. The platform debris cleaning device for mechanical processing has a simple structure and is convenient for cleaning, so that the debris can be cleaned in time, which is convenient for cleaning personnel to clean later, and ensures that the machine can work normally.

The invention discloses an absorption purification device for a VOC (volatile organic compounds) gas, the absorption purification device comprises a spraying tower, a transferring box body and a combustion oxidation device, wherein a circulating water pump is arranged on the lower portion of the front surface of the spraying tower, a VOC gas inlet and a flushing water inlet are formed in one sideof the spraying tower, the flushing water inlet is formed above the VOC gas inlet, and an observation window is arranged on the upper portion of the front surface of the spraying tower; the absorptionpurification device for the VOC (volatile organic compounds) gas can well receive dirt generated by spraying during the spraying operation process of VOC (volatile organic compounds), conveniently discharges the dirt generated by the spraying, and can carry out cooling and secondary filtering treatment on the sprayed VOC gas, the influence of the temperature of the VOC gas on later combustion iseffectively reduced, a ceramic heat accumulator can be well fixed and insulated, the temperature loss of the ceramic heat accumulator is effectively reduced, and the overall effect of absorbing and purifying the VOC gas is achieved.

The invention discloses a fertilizer mixing apparatus for agriculture. The apparatus comprises a mixing device and a supporting device; the center of the inner part of a body is vertically provided with a rotating shaft, and the top of the rotating shaft is connected to a driving motor which is arranged at the top of the body; a grinding hopper is fixedly arranged at the upper side of the inner part of the body, the diameter of an upper port of the grinding hopper is larger than the diameter of the lower port, the top of the grinding hopper is provided with a feed hopper, and the lower end ofthe grinding hopper is provided with multiple stationary knife heads in surrounding arrangement; a discharging screw is horizontally arranged at the lower side of the inner part of the body, and an outer wall of the discharging screw is uniformly provided with screw blades; left pressure bars and right pressure bars are fixedly arranged at the lower surface of a support plate. The apparatus improves fertilizer mixing efficiency, and effectively improves mixing effects, and mixing is more sufficient; a scraper plate is used for carrying out scraping and washing of an inner wall of the body, inorder to avoid waste of fertilizers which are adhered to the inner wall of the body, facilitate later cleaning, improve fatigue resistance of each part of the fertilizer mixing apparatus, and prolongusage life of each part.

The invention discloses a get-on ladder for an automobile and belongs to the field of automobiles. The get-on ladder for the automobile comprises a fixing cylinder; a connecting piece fixedly sleevesthe fixing cylinder; the connecting piece is used for being connected to an automobile door base; a rotating sleeve is rotationally connected to the fixing cylinder; a first pedal and a second pedal are fixedly connected to the rotating sleeve; the fixing cylinder is filled with clear water; a flushing net is connected to the first pedal; a water conveying pipe is connected to the fixing cylinder;and the water conveying pipe is connected with the first pedal. According to the get-on ladder for the automobile, children can enter the automobile through the first pedal and the second pedal; in addition, the fixing cylinder is filled with clear water; when people have mud on soles, the clear water in the fixing cylinder flushes the flushing net; the people can have the soles to be flushed only by putting the soles on the second pedal; and therefore, the mud is effectively removed to prevent a lot of mud from entering the automobile to enable the automobile to be washed conveniently in thelater period.

The invention discloses garment surface ironing equipment which comprises an equipment body. A condensation pipe is fixedly mounted on the top of the equipment body, a water inlet pipe is fixedly mounted at an end of the condensation pipe, an atomizer is arranged at an end of the water inlet pipe, a shell is arranged on the outer surface of the bottom of the condensation pipe, an operation panel is fixedly mounted in the center of the outer surface of the front end of the shell, a conveyor belt is arranged at the inner bottom of the shell, and a control electric box is arranged at the bottom of the conveyor belt. The garment surface ironing equipment has the advantages that the garment surface ironing equipment is provided with the atomizer, an electric heating plate and a press fit drum,accordingly, fed clothing or textile products can be humidified, the humidified clothing can rub with the outer surface of the press fit drum, the clothing can be cleaned in flattening procedures, theironing heights can be ultimately conveniently adjusted in comprehensive clothing ironing procedures, and accordingly the garment surface ironing equipment has an excellent use prospect.

The invention discloses a polyurethane elastomer high-pressure machine for continuously adding solid powder. The polyurethane elastomer high-pressure machine comprises a box body, a control switch group is arranged on one side of the right side surface of the box body, storage tanks are arranged in the box body, the number of the storage tanks is two, liquid level display mechanisms are arranged on the front side surface and the rear side surface of the box body and communicated with the material storage tanks separately, two feeding pipes are arranged on the two sides of the upper surface ofthe box body separately and communicated with the two material storage tanks, feeding valves are arranged in the middle parts of the feeding pipes, and a first motor is arranged in the middle of the upper surface of the box body. The polyurethane elastomer high-pressure machine for continuously adding the solid powder has the advantages that the use is convenient, the occupied area is decreased, the raw materials can be uniformly mixed and can be prevented from being deposited and layered, subsequent cleaning is facilitated, the problem of pipeline blockage is reduced, the flow rate of isocyanate and polyether polyol can be adjusted, the mixing ratio can be conveniently adjusted, isocyanate, polyether polyol and the solid powder can be stirred, the mixing is uniform, and the product quality is ensured.

The invention provides a fishy smell removing method for prolonging the shelf life of instant fish gelatin. The fishy smell removing method comprises the following steps of step 1, screening dry fish gelatin; step 2, soaking the dried fish gelatin with fish gelatin treatment raw materials to remove fishy smell, and then cleaning the fish gelatin; and step 3, shearing the dried fish gelatin cleaned in step 2, and then performing spin-drying. According to the method provided by the invention, the fishy smell of the dried fish gelatin is removed, and the problems that in the prior art, an instant fish gelatin product is generally incomplete in fishy smell removal, relatively heavy in fishy smell, soft and rotten, and short in shelf life, the acceptance of instant fish gelatin by consumers is influenced, and the development of the instant fish gelatin product is limited can be effectively solved. In addition, the water retention rate of the dried fish gelatin which is subjected to fishy smell removing by the method is close to that of a fresh fish gelatin raw material, other deep processing processes such as later cleaning are facilitated, the instant fish gelatin prepared from the fish gelatin raw material which is subjected to fishy smell removing and improved by the method is chewy within shelf life, the state is superior to that of the instant fish gelatin prepared by a traditional fishy smell removal method, and the shelf life is obviously prolonged.

The invention relates to a blood collection device for slaughtering and particularly relates to a blood collection device of slaughtered meat pigeons. The blood collection device of the slaughtered meat pigeons, provided by the invention, comprises a rack, a liquid deposition cabin and a liquid accepting box, wherein the liquid deposition cabin is mounted at the top of the rack; the inner part of the liquid deposition cabin is hollow, a plurality of blood draining holes are formed in the top of the liquid deposition cabin and a liquid outlet hole is formed in the bottom of the liquid deposition cabin; and the liquid receiving box is detachably mounted in the rack and is located under the liquid outlet hole. The blood collection device of the slaughtered meat pigeons has the advantages of simple structure, convenience for collecting blood of slaughtered poultry and convenience for utilization.

The invention discloses a raw material lifting device for livestock and poultry concentrated feed production. A sealing noise reduction assembly is arranged on the lower end part, close to a feeding hopper, of a lifter, a discharging control assembly is arranged on the lower side of the upper part of the lifter, the discharging control assembly is in communication with an inner cavity of the lifter, and the discharging control assembly is capable of accurately controlling the rate of discharging. According to the raw material lifting device, a sealing cover is arranged, the noise during the working of the machine can be reduced, the normal use of the lifter is ensured, residual materials in the lifter can be effectively cleaned when the sealing cover is opened, the waste of resources is reduced, a dust proof cover is arranged to seal and block the feeding hopper, the external dust entering the interior of the feeding hopper is reduced, the later cleaning is facilitated, the whole lifter looks more attractive and tidy, market promotion of the lifter is facilitated, and the discharging control assembly can accurately control the rate of discharging.

The invention belongs to the field of coating processing, and relates to an efficient and uniform coating stirring machine. The machine comprises a stirring box and a box cover, a discharging pipe fixedly communicates with the bottom of the stirring box, a hydraulic rod is fixedly connected between a second fixing block and a first fixing block, a protective shell is fixedly connected to the top of the box cover, the top of the protective shell is fixedly connected to a driving motor, a first transmission shaft is fixedly connected to the output end of the driving motor, a spiral stirring blade is fixedly connected to the first transmission shaft, a driving gear is fixedly connected to the fixed rod in a sleeving mode, two second transmission shafts are arranged in the sliding groove, limiting pulleys are fixedly connected to the two second transmission shafts in a sleeving mode, driven gears are fixedly connected to the two second transmission shafts in a sleeving mode, two connectingrods are fixedly connected to a first shaft sleeve, stirring plates are fixedly connected to the other ends of the connecting rods, and four stirring rods are fixedly connected to a second shaft sleeve. The stirrer can stir a coating in multiple directions, can refine particles in the coating, and can prevent the coating from adhering to the inner wall of the stirrer.

The invention discloses an easily-cleaned pulverizer for food machining. The easily-cleaned pulverizer for food machining comprises a cylinder and an upper end cover, a second motor is arranged in the upper end cover, a motor shaft of the second motor is in transmission connection with a cutter disc shaft, the bottom of the cutter disc shaft is connected with a second cutter disc through a screw machine, the middle of the cutter disc shaft is connected with a first cutter disc through a screw machine, the upper end cover is in screwed connection with a cylinder, the cylinder is connected with a ring fixing frame by loosening and tightening an adjusting screw, rotating shafts are symmetrically arranged at the two ends of the ring fixing frame, and driven wheels are connected to the ends of the rotating shafts. The structure of the ring fixing frame, the rotating shaft and a supporting column is adopted, a first motor drives the rotating shafts to rotate, in the rotating process, positions of food at the machining dead corners can be changed, further machining is facilitated, and the pulverizing efficiency of the pulverizer is improved.

The invention relates to an anti-sticking temperature-controllable material mixing machine. The material mixing machine comprises a barrel and a main shaft arranged in the barrel, wherein both ends of the main shaft are connected with the barrel; one end of the main shaft extends out of the barrel to be connected with a driving device; the main shaft is provided with six coulters, two half coulters and two scrapers; one half coulter and one scraper are positioned next to one end of the barrel, and the other half coulter and the other scraper are positioned next to the other end of the barrel; the six coulters are arranged on the main shaft at intervals, and every two adjacent coulters are arranged in a staggered way; parts for being in contact with materials in the barrel are provided with an anti-sticking coating; a jacket is arranged in the barrel wall of the barrel; and the jacket is provided with a steam inlet and a steam outlet and is connected with a steam cycle system. The material mixing machine provided by the invention can be widely used in the industries of chemical engineering, medicine, construction materials, plastics, foods, metallurgy, minerals and petroleum, and can be used for mixing solid-solid powder, solid powder and liquid and other materials.

The invention provides a vegetable pickling machine for pickling carrots, belongs to the technical field of food machines and solves the technical problems that the anticorrosive performance of the existing vegetable pickling machine is poor and the like. The vegetable pickling machine comprises a bottom plate and a vegetable pickling jar, wherein a material storage chamber is provided in the vegetable pickling jar; the upper end surface of the vegetable pickling jar is provided with a feed inlet; the upper end of the vegetable pickling jar is further detachably connected with a cover plate; the center of the lower plate surface of the cover plate is fixedly connected with the upper end of a compression spring; the lower end of the compression spring is fixedly connected with a filter screen; the filter screen and the material storage chamber are coaxially arranged, and the distance between the outer edge of the filter screen and the side wall of the material storage chamber is 1mm; a cooling water passage is provided on the side wall of the vegetable pickling jar and the two ends of the cooling water passage are respectively a water inlet and a water outlet. The vegetable pickling machine for pickling carrots can improve the anticorrosive performance of the vegetable pickling machine.

The invention discloses a dust remover of a bamboo piece longitudinal cutting machine. The dust remover comprises a dust hood arranged above a workbench surface and a horn-shaped collector arranged below a conveyor belt above the workbench surface, wherein a first dust remover is arranged on at least one side surface of the dust hood, a second dust remover is further arranged on one side surface of the horn-shaped collector, and both the first dust remover and the second dust remover are automatic dust suction devices. The dust remover is simple in structure and convenient to disassemble, respectively processes bamboo scraps in the cutting, transporting and remaining stages of the bamboo pieces, ensures high automatic cleaning degree in the whole process of longitudinally cutting the bamboo pieces, prevents cutting waste materials from flying about, ensures the surface cleaning degree of a processing site and improves the physical health of processing workers.

The invention discloses production equipment for recycling and reusing waste oil and a production technology of the production equipment. The production equipment comprises an oil storage tank, a material receiving device, a distillation device, a heating device, an exhaust treatment device, a condensation device, an intermediate temporary storage tank, an accident pool, an additive feed pot and a filtering and separating device. According to the production equipment, pollution can be effectively reduced, the recycling and reusing efficiency is high, the resource utilization rate is high and implementation of a sustainable development strategy is greatly facilitated.

The invention discloses a tobacco field mulching film recovery device. The device comprises a walking device, a mulching film dividing mechanism and a mulching film collecting mechanism are installedat the front end of the walking device in the advancing direction, and a hilling mechanism is installed at the rear end of the walking device. According to the tobacco field mulching film recovery device, automatic film uncovering and mulching film recycling are achieved, intertillage hilling operation is synchronously achieved, and the farming efficiency is greatly improved. According to the tobacco field mulching film recovery device, a mulching film is divided from planting hole lines through the mulching film dividing mechanism, the mulching film is uncovered and recycled through the mulching film collecting mechanism, intertillage hilling is conducted through the hilling mechanism finally, and disturbance to root systems of tobacco seedlings is avoided in the whole operation process.

The invention discloses a device for detecting a salt content in pickled food, and belongs to the field of food detection. The device for detecting the salt content in the pickled food comprises an upper operating floor and a lower operating floor, which are fixedly arranged up and down, wherein a vertical plate is fixed at the left end of the upper side of the upper operating floor, a horizontalmoving plate is installed on the first vertical plate through a horizontal electric guide rail, by means of the cooperative of a crushing and stirring mechanism, a rotatable inner cylinder and a fixedouter cylinder, crushing and centrifuging of a material are realized, liquid is thrown to the inner wall of the outer cylinder and is introduced into a U-shaped tube through a hose pipe for detection, an extracting solution filtered by the U-shaped tube can also be detected by a liftable salimeter, the salimeter does not need to be manually held for operation, so that the operation is simple andconvenient, furthermore, the operation steps do not need to be operated separately, so that the operation smoothness and the operation efficiency are high, factory-made requirements can be easily satisfied, and at the same time, the inner cylinder can be detached from the inside of the outer cylinder and the U-shaped tube can be detached from the lower operating floor to conveniently clean various components subsequently.

The invention provides a swill trolley for solid-liquid separation, and belongs to the technical field of kitchen devices. The swill trolley is used for solving the problems that an existing swill trolley is small in collecting amount, low in swill recovery efficiency and inconvenient in swill bucket carrying. The swill trolley comprises a box body and an operation table, wherein the operation table is fixed on the box body, the lower end of a feeding opening is fixed on a separator, a first discharging opening is formed in one end of the separator, a first swill bucket is arranged on the lower portion of the first discharging opening, the first swill bucket is placed on a first trolley, a second discharging opening is formed in the other end of the separator, a second swill bucket is arranged at the lower portion of the second discharging opening, and the second swill bucket is placed on a second trolley. According to the trolley, swill is extruded through the separator so as to enable solids and liquids are separated from each other and fall into the corresponding swill buckets, the recovery amount of solid waste is increased, and the recovery efficiency of the swill is improved;and the swill buckets are placed on the trolleys, fixing frames are arranged on the trolleys, so that the swill buckets are not prone to toppling or scattering in the moving process, the swill buckets are convenient to carry, and the time and labor are saved.

The invention discloses track-based vegetable harvesting apparatus. The vegetable harvesting apparatus comprises operation tracks, a hanging beam and a harvesting device; each operation track comprises a mounting base, a guide rail, a close mechanism and a cleaning mechanism, the lower part of the mounting base is embedded under the ground, the guide rail is laid on the mounting base, the close mechanism is used to close the guide rail, and the cleaning mechanism is used for washing the guide rail by spraying water; the hanging beam is erected between the two operation tracks, supporting pieces are arranged below the hanging beam, and the lower ends of the supporting pieces are provided with track wheels; the harvesting device is suspended at the bottom of the hanging beam, and the harvesting device comprises left and right rollers, left and right blades, gas suction modules and shoveling modules; and the left and right rollers are parallel to each other and have a certain distance, aninvolving space is formed during rotating, the left and right blades cut vegetables in the involving space, at least half of cutting edges of the left and right blades are arranged as a saw tooth structure, the gas suction modules are used for adsorbing the cut vegetables on the surfaces, and the shoveling modules shovel the vegetables adsorbed on the surfaces of the left and right rollers.

The invention belongs to the technical field of solar cells, and relates to a preparation method of a selective doping structure of a solar cell; the method comprises the following steps: step 1, pretreating the surface of a silicon wafer, and depositing a poly layer containing a doping source on the surface of the pretreated silicon wafer; step 2, carrying out laser processing on a part of the surface of the poly layer to form a heavily doped region; step 3, annealing the silicon wafer to form a lightly doped region in a non-laser-treated region on the surface of the poly layer, and introducing O2-containing gas in the annealing treatment process to oxidize the poly layer into a BSG / PSG layer; and step 4, cleaning the silicon wafer to remove the BSG / PSG layer so as to obtain the selective doping structure of the solar cell. According to the preparation method, the doping amounts of the lightly doped region and the heavily doped region of the selective doping structure can be accurately controlled, the preparation process and structure can be simplified, and the preparation efficiency is improved.

The invention relates to a flushing waste liquid collecting device for gynecologic hysteroscopy. The device comprises a collecting bag, wherein a collecting port and a liquid discharging port are formed in the collecting bag; the liquid discharging port of the collecting bag is connected and communicated with at least one liquid collecting bag through a liquid guiding pipe; and an interlay filterscreen is arranged in the collecting bag at the liquid discharging port. The device can effectively ensure the balance between the flushing liquid volume and the discharged waste liquid volume in realtime, reduce the pollution on clinical sites, and greatly increase the safety during surgery.

The invention discloses mullite production, processing and grinding equipment, which comprises a processing and grinding machine base and a processing and grinding top base, wherein the upper end of the processing and grinding machine base is fixedly connected with a grinding bottom plate; a transmission control box is installed at the upper end of a connecting piece sliding sleeve; the outer end of the transmission control box is rotationally connected with driving rotating discs; the outer ends of the two sets of driving rotating discs are rotationally connected with driving sliding blocks; the lower side of the connecting piece sliding sleeve is slidably connected with a grinding top plate; and the outer ends of two sets of sliding connecting blocks are rotationally connected with top plate push-pull arms. According to the mullite production, processing and grinding equipment, firstly, a driving mechanism is controlled to drive the driving rotating discs to rotate, and ore is ground in a reciprocating mode through upper grinding teeth and lower grinding teeth, and the effect that a grinding mechanism is high in ore grinding efficiency is achieved; and secondly, the height of the grinding top plate is adjusted through a transmission hydraulic rod, so that the size of ground particles meets the use requirement of the corresponding field, and the effect that mullite mineral substances ground by the mullite processing and grinding equipment are wide in application range is achieved.

The invention discloses an annealing furnace, which includes a furnace body (3), a heating mechanism and a feeding mechanism. The feeding mechanism consists of a support (2) and several carrying rollers (1). The carrying rollers (1) are disposed on the support (2) to compose a track (4) for conveying workpieces. The annealing furnace also includes a water circulation mechanism, and the water circulation mechanism consists of a water inlet pipe (5), a recovery water pipe (6) and a circulation steam pocket (7). The circulation steam pocket (7) is equipped with a water inlet hole (8), one end of the water inlet pipe (5) and one end of the recovery water pipe (6) are both connected to the circulation steam pocket (7), the carrying rollers (1) in the furnace body (3) are internally provided with cooling channels, the inlets of the cooling channels are connected to the other end of the water inlet pipe (5), and the outlets of the cooling channels are connected to the other end of the recovery water pipe (6). The annealing furnace provided by the invention makes the carrying rollers have long service life and greatly reduces the cost.

The invention discloses vegetable harvesting apparatus. The vegetable harvesting apparatus comprises operation tracks, a hanging beam and a harvesting device; each operation track comprises a mountingbase, a guide rail, a close mechanism and a cleaning mechanism, the lower part of the mounting base is embedded under the ground, the guide rail is laid on the mounting base, the close mechanism is used to close the guide rail, the cleaning mechanism is used for washing the guide rail by spraying water, the inner side of a close plate is provided with a support block, an end of the support blockis fixed with the inner side of the close plate, and the other end of the support block supports against the guide rail when the close plate is closed; the hanging beam is erected between the two operation tracks, supporting pieces are arranged below the hanging beam, and the lower ends of the supporting pieces are provided with track wheels; the harvesting device is suspended at the bottom of thehanging beam, and the harvesting device comprises left and right rollers, left and right blades, gas suction modules and shoveling modules; and the left and right rollers are parallel to each other and have a certain distance, an involving space is formed during rotating, the left and right blades cut vegetables in the involving space, the gas suction modules are used for adsorbing the cut vegetables on the surfaces, and the shoveling modules shovel the vegetables adsorbed on the surfaces of the rollers.

The invention discloses a diesel engine accessory cleaning device. The diesel engine accessory cleaning device comprises a cleaning box, a rotating motor is fixedly installed at the inner bottom of the cleaning box, a base is fixedly connected to the output end of the rotating motor, and a water outlet is formed in the inner bottom of the base; a supporting circular ring is fixedly connected to the inner bottom of the cleaning box, a plurality of connecting rods which are arranged around the rotating motor are fixedly connected to the base, and an annular connecting groove corresponding to theconnecting rods is formed in the upper end of the supporting circular ring; a containing groove is formed in the base, a threaded rod is rotationally connected in the containing groove, a handle is arranged on one side of the base, and one end of the threaded rod penetrates through the inner side wall of the containing groove and is fixedly connected with the handle; and the threaded rod is sleeved with two symmetrically-arranged sliding blocks in a threaded connection mode, and the threaded directions of the two ends of the threaded rod are opposite.

The invention discloses equipment and process for producing plant nutrition milk, and relates to the technical field of plant production and processing. The equipment comprises a mounting frame, a smashing assembly and a vertical plate are fixedly mounted at the top of the mounting frame, and a filtering assembly is fixedly mounted between the mounting frame and the vertical plate and located below the smashing assembly; and a mixing mechanism is fixedly arranged in the mounting frame and on the outer side of the filtering assembly. The above structure integrates smashing, filtering and high-temperature disinfection and sterilization, plant nutrition milk can be prepared from plant wrapping pulp, the equipment is convenient, fast, safe and reliable, and compared with traditional processing equipment, the structure has advantages that workers do not need to carry materials back and forth at multiple frequencies, more time and labor are saved, the machining efficiency is improved, meanwhile, the opening ratio of a ball valve body can be changed by changing the angle of an adjusting handle, so that proportional mixing of slurry and microelement liquid is achieved, and impurities on the inner wall of a smashing box can be cleared away through arrangement of an annular brush.

The invention provides a titanium-aluminum-copper shape memory alloy material. The titanium-aluminum-copper shape memory alloy material is prepared from the components in percentage by weight: 46-53%of Ti, 26-34% of Al, 13-28% of Cu and the balance of a small amount of inevitable impurities. The invention further provides a production method of a titanium-aluminum-copper shape memory alloy. The production method of the titanium-aluminum-copper shape memory alloy comprises the step that melting, rolling, heat treatment, quenching, tempering and finishing are sequentially carried out on the titanium-aluminum-copper shape memory alloy material to obtain a finished product. The invention further provides a titanium-aluminum-copper shape memory alloy prepared by the production method. The application of the titanium-aluminum-copper shape memory alloy in automobile industry, artificial intelligence, aerospace, transportation and other industries is further provided. The problem of how to maximally improve the mechanical strength of the shape memory alloy while ensuring that the shape memory alloy has the function of shape memory transformation, and meanwhile, the cost of the alloy is maximally reduced to prepare the shape memory alloy with yield strength greater than 500Mpa and more economical cost are solved.

The invention discloses a novel integrated ceiling electric appliance. The novel integrated ceiling electric appliance comprises two integrated assemblies, and the integrated assemblies both can achieve ventilation and heating. The novel integrated ceiling electric appliance is characterized in that a volute air duct is hollow and separated to form a first chamber and a second chamber, a first airoutlet is formed in the first chamber, and a second air outlet is formed in the second chamber; the first integrated assembly is arranged in the first chamber, the second integrated assembly is arranged in the second chamber, the first integrated assembly is used for heating or replacing indoor air, and the second integrated assembly is used for heating or replacing indoor air; the volute air duct is provided with a cover plate, a first air inlet and a second air inlet are formed in the cover plate; the first air inlet is opposite to the first chamber, the first air inlet is covered with a first filter screen, the second air inlet is opposite to the second chamber, and the second air inlet is covered with a second filter screen; an iron box is further included; the volute air duct is entirely arranged in the iron box, and a first air inlet passage is formed in one side of the inner wall of the iron box.

The invention discloses a multi-stage isolation lampblack purification device which comprises a lampblack collection cabinet body, a negative pressure fan, a first-stage separation device, a second-stage separation device, a third-stage separation device, a fourth-stage separation device and a lampblack exhaust pipe. The negative pressure fan is fixed to the lampblack collection cabinet body, andthe first-stage separation device and the second-stage separation device are fixed to a gas inlet of the lampblack collection cabinet body; and an air outlet of the negative pressure fan is sequentially communicated with the third-stage separation device and the fourth-stage separation device and is communicated with the lampblack exhaust pipe. The multi-stage isolation lampblack purification device has the advantages that according to the multi-stage isolation lampblack purification device, through the arrangement of the first-stage separation device, the second-stage separation device, the third-stage separation device and the fourth-stage separation device, four-stage filtration and separation of lampblack are achieved, the lampblack purification effect is improved, the lampblack reaches the emission standard, the lampblack can be prevented from being condensed and attached to the surface of range hood equipment, later-stage cleaning is facilitated, and the service life of the device is prolonged.