95results about How to "Fast cycle" patented technology

The invention relates to a wall-mounted air conditioner, wherein an angular housing of the air conditioner is installed on a framework. The angular housing comprises an upper panel, a lower panel and two side panels, wherein an included angle formed through connection of the upper panel and the lower panel is between 50 DEG and 90 DEG, an air inlet hole is disposed in the upper panel, an air outlet hole is disposed in the lower panel, an air chamber is formed by the framework and a water pan, a fan is located inside the air chamber, a heat exchanger is located between the water pan and the framework, the air inlet hole is communicated with the air chamber by the heat exchanger, the air chamber is communicated with the air outlet hole, a flow guide air duct is disposed inside the angular housing, a flow guide air inlet hole of the flow guide air duct is disposed in the bottom of the lower panel, and a flow guide air outlet hole of the flow guide air duct is disposed in the lower part of the air outlet hole of the air conditioner. By the wall-mounted air conditioner provided by the invention, a circulation route of air flow from the air inlet hole to the air outlet hole is greatly reduced, acting time of the air flow at components of the air conditioner inside the housing body is reduced, noise is reduced, non-heat exchange air is introduced by the flow guide air duct to be mixed with heat exchange air in order to form mixed air, air outflow becomes more soft, and comfort is greatly enhanced.

The invention provides a dendrobium officinale cultivation grain substrate and a preparation method thereof. The dendrobium officinale cultivation grain substrate is prepared from raw materials of, based on weight rate, 45%-55% of abandoned edible mushroom residue, 3%-6% of Chinese herbal medicine waste residue, 2%-5% of chestnut shell, 4%-8% of peanut shell, 10%-15% of mulberry stem, 4%-10% of corncob, 5%-8% of wood chip, 1.0%-2.0% of quick lime, 0.2%-1.0% of urea, 0.2%-1.0% of monopotassium phosphate, 0.1%-0.5% of zinc sulfate, 3.0%-7.0% of clay, 5%-10.0% of sod soil and 0.5%-1.0% of carbendazol wetting powder. The dendrobium officinale cultivation grain substrate can improve disease resistance of dendrobium officinale, and effectively reduces occurrence rate of diseases of root rot, soft rot and the like for the dendrobium officinale. According to the dendrobium officinale cultivated by using the dendrobium officinale cultivation grain substrate, survival rate can reach above 98%, the average plant height can reach up to 78cm one and a half years after the dendrobium officinale is cultivated, the average steam thickness reaches 7.5-8.2mm, polysaccharide content reaches 42.5%, and an average dendrobium officinale yield per mu can reach 580kg.

The invention discloses an air purification system. The air purification system comprises a case, and a filter assembly and a draught fan are installed in the case. A detachable front panel is arranged on the front end face of the case. Side air inlets are formed in the two sides of the case. A near-ground air inlet is formed in the bottom of the case. An air outlet is formed in the top of the case. The filter assembly sequentially comprises a coarse filter plate, a micro filter plate, an active filter plate and a cold catalyst filter plate from outside to inside. Polygonal through holes are formed in a plate body of the cold catalyst filter plate. The front end face and the rear end face of the cold catalyst filter plate and the hole walls of the through holes are coated with cold catalyst coatings. The active filter plate comprises a plate body provided with through honeycomb holes, the honeycomb holes in the plate body are filled with active adsorption substances composed of active carbon and high-adsorption-capacity active carbon adsorption substances, and anti-disengagement nets are arranged on the front end face and the rear end face of the plate correspondingly. The air purification system is small and exquisite in structure and can filter tiny particles, such as hair and paper scraps, in air; and meanwhile, odor can be eliminated, toxic gas can be decomposed, and the air purification effect is good.

The invention provides a crankshaft type vertical lifting mechanism and a working method. The crankshaft type vertical lifting mechanism comprises a mechanism body, a feed conveying device and a receiving conveying device. The mechanism body comprises a driving sprocket device, a driven sprocket device, a crankshaft connection device, a claw bar, a driving motor and a base. The feed conveying device comprises a rack, a double-side roller and a first single-side roller. The receiving conveying device comprises a second single-side roller and a conveying belt. The vertical lifting equipment provided by the invention is reasonable in structure, small in occupied area, high in circulation speed and not liable to be turned laterally.

The invention provides a vapor chamber and a processing method of the vapor chamber. The vapor chamber comprises a hot end close to a heat source and a cold end which is opposite to the hot end and far away from the heat source. The vapor chamber comprises a first cover plate and a second cover plate which is arranged opposite to the first cover plate and covers the first cover plate, wherein theside, which is close to the second cover plate, of the first cover plate is sunken away from the second cover plate to form a first groove, and the first cover plate and the second cover plate definea closed inner cavity filled with working liquid; the first cover plate comprises a bottom wall and a side wall, the bottom wall is opposite to the second cover plate and arranged at an interval, theside wall bends and extends towards the second cover plate from the periphery of the bottom wall and abuts against the second cover plate. The vapor chamber further comprises a capillary structure arranged on the bottom wall, wherein the thickness of the capillary structure is gradually increased in the direction from the hot end to the cold end. In the direction from the hot end to the cold end,the thickness of the capillary structure is gradually increased, the working liquid can flow to the hot end from the cold end more easily, the circulation speed of the working liquid from the liquid state to the gaseous state and then to the liquid state is higher, and the heat dissipation performance is better.

The invention relates to an electro-catalytic air purifier and an air purification method of the electro-catalytic air purifier. The first aim of the invention is to provide an electro-catalytic air purifier, which is small and exquisite in structure, low in electricity consumption, quick in formaldehyde removal and environment-friendly. The second aim of the invention is to provide an electro-catalytic air purification method aiming at the air purifier. The first aim of the invention is achieved by the following technical scheme: the electro-catalytic air purifier comprises a shell, an electrolyte circulating pump, as well as an air suction fan, a spraying head, a plurality of three-dimensional electrode reactors and a liquid storage tank which are arranged in the shell sequentially from top to bottom. The second aim of the invention is achieved by the following technical scheme: the electro-catalytic air purification method comprises the following steps: (1) dissolving formaldehyde into Na2SO4-Na2CO3 mixed electrolyte by using the air suction fan and the electrolyte spraying head; (2) enabling the electrolyte in the step (1), into which the formaldehyde is dissolved, to vertically flow into the three-dimensional electrode reactors; and (3) introducing direct current into the three-dimensional electrode reactors so as to oxidize the formaldehyde into sodium formate.

The invention relates to a water cooler of cooling roller of printer, wherein it comprises that: carrier frame, cooling roller, water inlet tube, and reflux tube; the frame via bearing and bearing base is mounted with rotational cooling roller; the water inlet tube with injection holes is through into cooling roller; and the reflux tube is connected to out space. The invention is characterized in that: two ends of cooling roller are sheathed with water wheel through to the holes of cooling roller; the outer surface of water wheel is shaped with convex tooth ring; the inner surface of frame is shaped with annular groove to contain the outer convex tooth ring; the box is through to the reflux tube. The invention has better cooling effect, simple structure and easy installment, to be used on high-speed printer.

The invention relates to a method and a device for reducing metal dust in the electric wire and cable drawing process. A heating tube is mounted in front of a wire inlet of drawing equipment, two ends of the heating tube are sealed with sealing pads made of high-temperature-resistant materials, in-out ports matched with the diameter of a metal pole required to be drawn in size are reserved in the sealing pads at two ends, and the metal pole required to be drawn directly enters a first die of the drawing equipment after heated in the heating tube. The temperature in the heating tube is set to range from 300 DEG C to 350 DEG C if the metal pole is made of copper and set to range from 300 DEG C to 320 DEG C if the metal pole is made of an aluminum and aluminum alloy. With the adoption of the method and device, production of the metal dust is avoided essentially, the safety performance is improved, harm of the metal dust to the body health of a worker and serious accidents are avoided, the work efficiency is improved, the production cost is saved, the product quality is guaranteed, and the method and the device have great usage value.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, a shielding device, a drainage air guide device and a drive mechanism. The shell is provided with a first air inlet, a second air inlet and an air outlet. The centrifugal fan is arranged in the shell, and an air inlet of the centrifugal fan faces the first air inlet. The heat exchanger is arranged between the centrifugal fan and the first air inlet. The shielding device is controlled to open or close the first air inlet. The drainage air guide device is arranged in the shell and is provided with at least three air guide rings. The drive mechanism is connected with at least one air guide ring located in the middle and enables the air guide ring located in the middle to move so as to change the direction of two openings. The air conditioner indoor unit is large in air supply volume and low in pressure loss and capable of blowing out soft and cool air, and the air outlet direction can be adjusted.

The invention discloses a simple heat exchange type active carbon coke purifying and regenerating process system and an active carbon coke purifying and regenerating process method. The system comprises a regenerating device, a preheating device, a heating device and a cooling device, wherein the regenerating device comprises a regenerating tower; the preheating device comprises a drying tower; the heating device comprises a heater and a first fan, and is used for heating the active coke in a heating section of the regenerating tower; the cooling device comprises a second fan, a normal-temperature air input pipeline and a hot air output pipeline, and the second fan is used for sending the hot air after heat exchange into the drying tower so as to preheat the active coke in the drying tower. The process method comprises the following steps: (a) preheating: preheating the active coke entering the drying tower; (b) heating: heating the active coke at the heating section; (c) regenerating: regenerating the active coke at the regenerating section; and (d) cooling: cooling the regenerated active coke entering the cooling section, and preheating the active coke in the drying tower by the air after heat exchange. The system and method disclosed by the invention are suitable for restoring and regenerating the active carbon.

The invention belongs to the technical field of wastewater treatment, and particularly relates to an aeration and filler integrated suspended lift mounting system. The system comprises an air intake system, a filler system and an aeration system; the air intake system is mounted over a water tank and comprises a plurality of air intake branches and a plurality of air intake branching tubes, and each air intake branch is connected with a plurality of the air intake branching tubes; the filler system is arranged inside the water tank and comprises biological filler and filler connecting tubes, and the biological filler is fixed between the air intake system and the aeration system through the filler connecting tubes; the aeration system is mounted at the bottom of the tank and connected with the air intake system through the air intake branching tubes. Aeration and filler are integrated to be applied to urban sewage treatment and treatment of many kinds of industrial wastewater, the aeration and filler systems are mounted in a supportless manner, and a short way which is simple, easy and good in treatment effect is provided for effective treatment of various types of wastewater.

The invention relates to a real-time visual detection method for high-speed periodic motions, and belongs to the technical field of visual detection. The real-time visual detection method comprises the following steps of: extracting features of a periodic motion; obtaining a circumferential angle of the periodic motion; establishing a high-frame rate image sample library on the basis of the circumferential angle of the periodic motion; and carrying out real-time visual detection and exception extraction on the basis of the high-frame rate image sample library. The method is a monocular cameraand periodic feature mark-based rapid detection algorithm, and is capable of carrying out lossless and visualized real-time detection on periodic mechanical motions, automatically extracting exceptionconditions and then realizing real-time visual detection for periodic motions at high speeds.

The invention discloses a floor radiation heating system based on micro heat pipe arrays. The heating system comprises a hot water supply pipe, and multiple micro heat pipe arrays; the hot water supply pipe is a flat water tank pipe or a wing pipe with the lower surface as a plane; the micro heat pipe arrays are plate structural bodies formed by welding or punching or extruding metal materials andwith multiple parallel independent micro through holes; micro tooth fins are arranged on the side walls of the micro through holes; a lot of capillary groove structures are arranged on the inner walls of the micro through holes; two ends of the micro heat pipe arrays are tightly sealed; the micro heat pipe arrays are filled with condensing agents; when the micro heat pipe arrays are inclined in the length directions, condensing agent covering sections are evaporation sections, and the rest sections are heat dissipating sections; and the lower surface of the hot water supply pipe is bonded with the evaporation sections of the micro heat pipe arrays through heat conducting silica gel. The heating system changes a traditional base plate heating mode, and is uniform in floor heating temperature distribution, high in heat supply efficiency and low in energy consumption; and the whole set of system pipelines is simple and convenient to maintain.

The invention discloses a multipurpose press-fitting device suitable for a motor rotor assembly line. According to the technical scheme, the multipurpose press-fitting device is characterized by comprising a press-fitting mechanism and a conveying device, wherein the press-fitting mechanism comprises a to-be-mounted press-fitting frame, a conveying channel is formed in the to-be-mounted press-fitting frame, the outlet end of the conveying channel is connected with a transfer device, a pushing plate and a pushing air cylinder are arranged at one end of the inlet end of the conveying channel, the to-be-mounted press-fitting frame is provided with a to-be-mounted working face, the to-be-mounted press-fitting frame is provided with to-be-mounted bearing plates, bearing openings are formed in the to-be-mounted working face, the press-fitting mechanism further comprises pressing devices, part storage devices are arranged between the to-be-mounted bearing plates and the pressing devices, vertical transferring devices are arranged on the sides, away from the transfer device, of the to-be-mounted bearing plates, the vertical transferring devices comprises material stirring plates and driving mechanisms, and material stirring gaps are formed in the to-be-mounted bearing plates. The press-fitting device can conduct press-fitting operation on to-be-mounted workpieces of different scales, and assembly objects subjected to press fitting can be conveyed to different conveying devices correspondingly.

The invention relates to a process for extracting and concentrating total flavone in hawthorn. The process comprises a process for extracting total flavone in hawthorn and a process for evaporating and concentrating total flavone in hawthorn. The process is characterized in that the process for extracting total flavone in hawthorn and the process for evaporating and concentrating total flavone in hawthorn are respectively completed in integrated ultrasonic extraction, evaporation and concentration equipment. The process is scientific and reasonable in design, has the advantages of simplicity in operation, short extraction and concentration time, high concentration degree, uniformity in extraction, high circulation speed, good solution property, small possibility of scaling, convenience in equipment washing and repair and simplicity, and is relatively high in innovativeness.

The invention discloses a wall-mounted air conditioner all-in-one machine comprising a casing forming a cavity through enclosing, and a centrifugal fan, a mixed flow fan, a first heat exchanger and a second heat exchanger which are arranged in the cavity; wherein, the casing is provided with a rear wall for hanging installation, and the casing, corresponding to the air inlet side of the centrifugal fan, is provided with a first air inlet, corresponding to the air outlet side of the centrifugal fan, is provided with a first air outlet, corresponding to the air inlet side of the mixed flow fan, is provided with a second air inlet, corresponding to the air outlet side of the mixed flow fan, is provided with a second air outlet; the second air outlet communicates outdoors; the first heat exchanger is arranged between the first air inlet and the air inlet side of the centrifugal fan; the second heat exchanger is arranged between the second air inlet and the air inlet side of the mixed flow fan. According to the technical scheme in the invention, the shortcoming that heat exchange of the second heat exchanger is affected by indoor air accumulating at an air supply outlet on the wall after heat exchange of the second heat exchanger can be overcome.

The invention relates to an air-source heat pump and solar heat collecting device combined heating system. A water storage tank is provided with a hot water outlet and a hot water inlet; a first heatexchange coil tube is arranged inside the water storage tank; an air-source heat pump comprises an outdoor unit and an indoor unit; a second heat exchange coil tube and a third heat exchange coil tubeare arranged inside the indoor unit; a liquid storage tank, a filter, an expansion valve, an evaporator, a four-way valve, a gas and liquid separator, a compressor and the four-way valve which are arranged inside the outdoor unit sequentially communicate with the third heat exchange coil tube arranged inside the indoor unit to form a closed pipeline; a water inlet and a water outlet which are formed at the indoor unit separately communicate with the two ends of the first heat exchange coil tube; a water charging pipe and a water discharging pipe of a solar heat collector separately communicate with the two ends of the second heat exchange coil tube which is arranged inside the indoor unit. The air-source heat pump and solar heat collecting device combined heating system provided by the invention solves the problem that the air energy efficiency is low under the temperature of -30 DEG C, is simple in design, also improves the energy utilization rate to 80%, realizes continuous supply of hot water and guarantees normal running of the heating system.

A system for treating meat by the application of a shock wave to the meat while the meat is in contact with a diaphragm which is substantially transparent to the shockwave, confines the meat within a tunnel. In addition, the diaphragm and shock wave generating chamber are preferably disposed above the meat.

The invention discloses a polishing and deburring device. The polishing and deburring device comprises a working chamber, a conveying assembly, an oil tank mechanism, a first movement assembly, a second movement assembly and a limiting assembly. The working chamber is driven by an eccentric wheel to swing, so that a workpiece is ground and polished by an abrasive material; through buffering andresetting of a first elastic piece, the abrasive material can make full contact with the workpiece conveniently, and the surface wall of the workpiece is effectively polished; the limiting assembly can guarantee that a frame reciprocates in the horizontal direction; through arrangement of a second elastic piece, the frame is buffered and reset; the first elastic piece is arranged between the frame and the working chamber, the second elastic piece is arranged between a positioning plate and the frame, and thus interference between the first elastic piece and the second elastic piece can be effectively avoided; through the oil tank mechanism, lubrication between the abrasive material and the workpiece is facilitated, and excessive friction and scratching of the workpiece are prevented; and the abrasive material at a discharging outlet can be conveyed to a feeding inlet through the conveying assembly by a conveying mechanism, the abrasive material circulates in the working chamber, and the practicability is good.

The invention discloses a linear circulation reciprocating automatic test machine. The test machine is characterized by comprising a cuboid-shaped frame (1), conveyor belts (2) symmetrically arranged on side faces of long edges of the cuboid-shaped frame (1); linear guide rails (3) arranged at the inner sides of the two conveyor belts (2); a plurality of test devices arranged near one side face of a long side of the cuboid-shaped frame (1); a plurality of test locations, near the test devices, arranged on the conveyor belts (2); and circulation conversion locations (12) arranged at two ends of each test location. Conveying directions of the two conveyor belts (2) are opposite, one conveyor belt (2) near the test devices is a test conveyor belt (7), and the other conveyor belt (2) is a return conveyor belt (8). The linear circulation reciprocating automatic test machine is small in room occupation and saved in space, has good coherence of carrier circulation operation, and is high in circulation speed and test speed.

The invention discloses a water cooling type car shock absorption mechanism. The water cooling type car shock absorption mechanism is arranged between a car frame and a wheel frame, and comprises a shock absorber body and further comprises an upper support arranged between the shock absorber body and the car frame, a lower support arranged between the other end of the shock absorber body and the wheel frame, a shock absorbing spring arranged between the upper support and the lower support, and a cooling assembly fixedly connected to the lower support and is arranged on the outer side of the upper support in a sleeving manner. The mechanism has the beneficial effects t hat through vibration of the shock absorber, drive force is provided, cooling liquid in the cooling assembly circulates, the shock absorber body is cooled through a cooling pipe, through a cooling plate, cooling liquid in a piston cylinder body is subject to heat dissipation and cooling, the effect of preventing overheatdamage of the shock absorber can be achieved, the circular speed of the cooling water has positive correlation to the work intensity of the shock absorber, when the shock absorber moves at the high strength, the motion frequency and the amplitude of a pressure piston are higher, the circular speed of cooling water is higher, and the cooling effect is obvious.

The invention provides an air conditioner indoor unit which comprises a shell, a centrifugal draught fan, a heat exchanger, a flow leading and air guiding device, and a shielding device. The shell is provided with a first air inlet, a second air inlet and an air outlet. The centrifugal draught fan is arranged in the shell and is configured to promote air flow to flow towards the air outlet from the first air inlet. The heat exchanger is arranged in the shell and is located in an air inlet area of the centrifugal draught fan. The flow leading and air guiding device is arranged in the shell and is configured to guide air flow from the centrifugal draught fan and air flow from the second air inlet into the shell for mixing, and therefore mixed air flow can be sent out from the air outlet. The shielding device is configured to open or close the second air inlet in a controlled manner. The air conditioner indoor unit is large in air sending amount, in addition, the flow mixing proportion of non-heat-exchange air and heat exchange air can be adjusted, and soft mixed air with a proper temperature can be blown out in a controlled manner.

The invention relates to a wall-mounted air conditioner and a drainage device thereof. The drainage device comprises a drainage fan and a drainage air channel. The drainage air channel comprises a pipeline. The pipeline is provided with an air inlet and air outlets. The air inlet is located in one end of the pipeline. The other end of the pipeline is closed. The pipe wall of the pipeline is provided with at least two air outlets with the same air outlet areas. The air outlets are distributed from the air inlet near-end to the far end of the pipeline in sequence. The interior of the pipeline is divided into at least two airflow distribution cavities with different sectional areas. The number of the airflow distribution cavities is equal to that of the air outlets. Each airflow distribution cavity is communicated with one air outlet. The airflow distribution cavity with the large sectional area is communicated with the air outlet farthest from the air inlet. The drainage device can offset air loss caused by long distances from the air inlet to the air outlets by increasing the sectional area so that the air outlet capacities of all the air outlets in the drainage air channel can be identical, the uniform air outlet effect is achieved, and the air outlet comfort is improved.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, an airflow guiding device and a shielding device. The shell is provided with a first air inlet, a second air inlet and an air outlet. The centrifugal fan is arranged in the shell. At least part of a heat exchange region of the heat exchanger is in a flat plate shape, and the heat exchanger is located between the centrifugal fan and the first air inlet. The airflow guiding device is arranged in the shell and used for guiding airflow from the centrifugal fan and airflow from the second air inlet into the airflow guiding device, so that the airflow from the centrifugal fan and the airflow from the second air inlet are mixed, and the mixed airflow with a velocity component in the direction parallel to the rotation axis of the centrifugal fan is sent out from the air outlet. The shielding device is mounted on the shell and used for opening or closing the first air inlet. According to the air conditioner indoor unit, fluidity and temperature adjustment of space air when the wall-mounted air conditioner indoor unit is used can be improved, besides, the mixing ratio of non-heat-exchange air and heat-exchange air can be controlled, and the airflow can be guided to flow.

The invention belongs to the technical field of resources and environment, and relates to the technical field of limited space air pollution prevention and treatment. The invention discloses a multi-person ward air purification system and method. The multi-person ward air purification system comprises an air circulation device arranged in a ward, the air circulation device is connected to an air purification device, the air circulation device is further connected to a sickbed isolation device, the air circulation device comprises an air collecting pipe group and an air dispersing pipe group, the air purification device comprises a disinfection and dust removal mechanism, the disinfection and dust removal mechanism comprises an air inlet communicating with the air collecting pipe group and further comprises an air outlet communicating with the air dispersing pipe group, the air purification device further comprises a humidifying mechanism communicating with the air dispersing pipe group, the sickbed isolation device comprises an air curtain generation mechanism matching with sickbeds and further comprises an air curtain backflow mechanism matching with the air curtain generation mechanism. The multi-person ward air purification system and method are fast in ventilation, good in purification effect and capable of isolating sickbeds.

The invention discloses an improved basket type extraction tank system which comprises a medicine basket, an extraction tank and an extraction area, the extraction tank comprises a tank body, a tank bottom and a tank cover, a closed cavity (4) is formed between the extraction tank and the medicine basket, one or more solvent tangential inlets (5) are formed in the tank body, and a solvent outlet / oil extraction steam inlet (6) is formed in the tank bottom. The solvent outlet / oil extraction steam inlet is connected with an inlet of a circulating pump (7) through a pipeline and a control valve, an outlet of the circulating pump is connected with a first control valve (15) through a pipeline, the outlet of the circulating pump is connected with a drain valve (18) through a pipeline, the first control valve is connected with a second control valve (16) through a pipeline and a filter (17), and the second control valve is connected with a tangential solvent inlet through a pipeline. The circulating speed is high, medicinal effective components can easily seep out, the heating temperature is uniform, and the flow resistance is small.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, a draining air guiding device, a blocking plate and a driving device, wherein the shell is provided with a first air inlet, a second air inlet and an air outlet; the centrifugal fan is arranged in the shell; at least partial heat exchanging section of the heat exchanger is in a shape of a flat plate and located between the centrifugal fan and the first air inlet; the draining air guiding device is arranged in the shell and arranged to guide airflow from the centrifugal fan and airflow from the second air inlet into the draining air guiding device for mixing, and the mixed airflow is blown out through the air outlet in a mode that the mixed air has velocity components in the direction parallel to the rotary axis of the centrifugal fan; the blocking plate is arranged at the first air inlet and provided with a fixed plate part and a movable plate part; the driving device is arranged to drive the movable plate part to move to the inner side or the outer side of the fixed plate part from a position where the first air inlet is closed. According to the air conditioner indoor unit, the blocking plate and the driving device are arranged at the first air inlet, and opening and closing of the first air inlet can be controlled.

An existing electric fan only has the blowing function, consequently, the electric fan can be used only in the hot weather, the utilization rate is not high, but the space is occupied. An air purifier commonly has functions of smoke dust, peculiar smell and bacterium removing, negative ion generation and the like, and does not have the blowing function. According to the plasma air purification bladeless electric fan, through multiple forced reactions, plasmas are fully used, and therefore the injury of residual ozone free radicals to a human body is little, and the extremely-high safety is achieved. The air cycle speed is high, the dust removal efficiency is high, the function of a conductive fan is achieved, and the cost performance is high. The electric fan is used for increasing the air cycle, the air purification efficiency is improved, average distribution of air negative ions is improved, functions of the electric fan are increased, the utilization rate of the electric fan is improved, and the air purification effect is improved. The plasma air purification bladeless electric fan is high in safety coefficient and high in cost performance.

The invention relates to forging equipment, in particular to a forging furnace, and belongs to the technical field of forging. The forging furnace is used for solving the technical problem that a forging furnace in the prior art is large in heat loss. According to the forging furnace, a heat preserving cover is arranged outside the furnace wall in a covering manner; a pre-heating space is formed between the heat preserving cover and the furnace wall; a hearth communicates with the pre-heating space; and high-temperature gas located in the hearth can enter the pre-heating space, and therefore pre-heating can be performed on materials in the pre-heating space or other heat treatment, such as annealing, is performed on the materials. Thus, the utilizing rate of waste heat of the forging furnace is greatly increased. Besides, due to the arrangement of a draught fan, the gas in the pre-heating space can be input into the hearth, the circulating efficiency of the gas in the hearth is improved, and therefore the materials in the hearth are heated uniformly, and the performance of the forging furnace is optimized.