199results about How to "Damage to health" patented technology

The invention relates to a dephosphorizing agent and application thereof, belonging to the technical field of ferrous metallurgy. The dephosphorizing agent solves the problems of low dephosphorizing efficiency, high residue consumption, environment pollution and difficulty in resource comprehensive utilization in the existing calcium-oxide-based molten iron pretreatment dephosphorizing agent. The dephosphorizing agent comprises the following components in percentage by mass: 25-50% of FeOt, 20-45% of CaO, 15-30% of SiO2, 2-10% of Na2O and 3-12% of Al2O3. After being molten, the molten iron dephosphorizing can form a solid-phase / liquid-phase coexistent multiphase residue system at 1300-1400 DEG C, wherein the solid phase is a 2CaO.SiO2 phase capable of providing a place for enriching oxidized phosphorus in molten iron, so that the dephosphorizing agent has the characteristics of favorable dephosphorizing effect, low slag consumption, no fluorine and small environmental pollution and is beneficial to comprehensive utilization of dephosphorizing slag.

The invention discloses an automatic rotary dinning table equipped with electromagnetic oven chafing dish, which comprises a supporting frame, a fixed table surface, a movable table surface, a motor, a gear wheel and a rotation shaft, wherein the movable table top is higher than the stationary table top, the movable table top is provided with glass plate having a chafing dish hole, a plurality of through-holes for accommodating the integral electromagnetic oven, the electric motor employs a variable speed synchronous motor, which drives the movable table top rotate through a pair of meshing gears. The dinner table uses no organic fuel, thus produces no harmful gas to people.

The invention provides a material transfer trolley, which comprises an isolation hood, a power unit and a material plate; the power unit is arranged on the isolation hood; the isolation hood comprises an isolation hood body; the isolation hood body is provided with a movable hood door and a glove operation connector, and guide rails are arranged in the isolation hood body; the movable hood door is arranged on the front side wall of the isolation hood body, and the movable hood door is connected with the power unit; the material plate is arranged on the guide rails, and can slide front and back along the guide rails. According to the material transfer trolley provided by the invention, in the transfer process of medicines, the medicines are put in the transfer trolley for transfer, so the medicines are prevented from being directly exposed in the air, and the risk that the medicines are polluted by the air is lowered; meanwhile, in the process of shifting in, shifting out and transporting the medicines, the medicines are in the isolation hood body all along; moreover, all operations are respectively finished through the glove operation connector, and therefore the health of an operator can be effectively prevented from being impaired by the toxicity of the medicines.

The invention discloses a middle school chemistry teaching instrument cleaning device. The device comprises a bracket, a fixing mechanism for fixing test tubes, a conveying mechanism for conveying thetest tubes, and a cleaning mechanism for cleaning the test tubes; the fixing mechanism comprises a positioning base, a bolt and a fixing bar; a positioning hole for positioning the test tube is formed in the top of the positioning base; the bolt is in threaded connection with a thread hole after penetrating through a connecting hole to shrink the fixing bar as an annular structure; the test tubesare fixed in the annular structure; the cleaning mechanism comprises a cleaning frame, a cylinder, a brush motor and a brush; the cleaning frame is arranged on one side of the bracket; the cylinder is arranged on the cleaning frame and positioned above the positioning base; the brush motor is fixed on a pushing rod of the cylinder; the brush is fixed on a rotating shaft of the brush motor; and the brush motor drives the brush to rotate. Through the arrangement, the test tubes are automatically brushed, liquid in the test tubes is prevented from splashing during brushing to injure the health of students, and the injury probability of the students by chemical reagents is reduced.

The invention discloses a trolley sweeper, which consists of a walking system, a push shovel mechanism, a polish-brush mechanism, a sweeping mechanism, a dust removal system and a trash recycling bin. A rack of the walking system is provided with a walking driving motor; the walking driving motor is connected with a driving walking wheel; the walking wheel slides on a ground orbit; the rack is provided with a hydraulic lift, the polish-brush mechanism, the sweeping mechanism and the dust removal system; the trash recycling bin is arranged below the rack; and the hydraulic lift is connected with the push shovel mechanism. According to the trolley sweeper disclosed by the invention, the labor cost is saved, the labor strength is reduced, the work environment of workers is improved, the damage to the health of the workers is avoided, and the production efficiency is improved.

A disclosed automatic sorting method for large-scale multi-variety mixed-match underwear is characterized by comprising the following steps: 1) arranging a feeding working area; 2) arranging a sorting working area which comprises a transparent conveying belt for sending underwear at the feeding working area forward, a contour acquisition mechanism, a pattern acquisition mechanism, and a data processing apparatus for processing image data acquired by the contour acquisition mechanism and the pattern acquisition mechanism to obtain contour correlation data and pattern correlation data and respectively comparing with prestored contour data and pattern data of different-variety underwear to recognize the variety of underwear; and 3) arranging a mixed-match working area which comprises a plurality of mixed-match points and a mechanical arm used for sending the underwear to one mixed-match point when the data processing apparatus determines that underwear belongs to the variety demanded by the mixed-match point. The invention also discloses a production line for enforcing the method.

The invention discloses a rapid dissolution method for indissolvable metal iridium. The method comprises the following steps: 1, adding iridium powder and hydrochloric acid into a reaction kettle, introducing a chlorine gas into the reaction kettle, and performing a reaction under certain reaction conditions; 2, after the reaction of the iridium powder, the hydrochloric acid and the chlorine gas is completed, reducing pressure of the reaction kettle to normal pressure, adding concentrated hydrochloric acid in batches, continuing a stirring reaction under the temperature condition of 70-90 DEGC for 1-5 h, removing a free chlorine gas in the reaction liquid, and performing cooling to room temperature; and 3, after the reaction system is cooled to the room temperature, performing solid-liquid separation, wherein the obtained filtrate is a chloroiridic acid solution. According to the method disclosed by the invention, a one-time dissolution leaching rate of the indissolvable metal iridiumpowder achieves 70% or more, and the dissolution method disclosed by the invention has the advantages of a simple process, a short process, a large processing amount and no introduction of impurity ions, and is a high-efficiency low-cost and environmentally-friendly method.

The invention is applicable to the field of control and provides motion sensing game control equipment. The motion sensing game control equipment comprises wearable rings worn on the body parts of a user. The wearable rings include a main ring and a plurality of auxiliary rings. A sensor module, a controller, a wireless communication module, a power module, a storage module and a feedback module are arranged in each wearable ring. The motion sensing game control equipment has the advantages that the wearable rings are worn on the body parts of the user, the sensor modules acquire the motion trajectories of the body parts and the distances among the body parts and transmit the motion trajectories and distances to the main ring through the auxiliary rings, the main ring transmits the motion trajectories and distances to the controller of game equipment, and an application program can be controlled by the body of the user while influence by other infrared light can be avoided or physical health of the user cannot be damaged by infrared light irradiation; feedback is generated by receiving feedback signals so as to increase user control precision.

The invention belongs to the technical field of steel pipe spraying, and particularly relates to a steel pipe tower rod hot zinc spraying system for electric power. The problem that hot zinc spraying consumes manpower and is low in spraying efficiency is solved. According to the scheme, the steel pipe tower rod hot zinc spraying system comprises a workbench, two supporting columns with the same size are fixed to the outer wall of the top of the workbench, a top plate is fixed to the top ends of the supporting columns, a rectangular groove is formed in the outer wall of the bottom of the top plate, a T-shaped block is connected to the inner wall of the rectangular groove in a sliding mode, threaded rods are rotationally connected to the inner walls of the left side and the right side of the rectangular groove through bearings, a second motor is fixed to the outer wall of the right side of the top plate, and an output shaft of the second motor is connected with the threaded rods through couplings. According to the steel pipe tower rod hot zinc spraying system, the second motor is started, the output shaft of the second motor drives the threaded rods to rotate, the threaded rods rotate to drive the T-shaped block to move left and right, then a spray head is driven to move left and right, a steel pipe body is sprayed, the length of an electric telescopic rod and the angle of the spray head are adjusted, and therefore more attractive spraying is achieved.

The invention discloses a strong shock-absorption type rear suspension device of an automobile cab. The strong vibration-attenuation type rear suspension device comprises a left mechanism and a right mechanism, wherein the left mechanism and the right mechanism are in bilateral symmetry and have the consistent structure; the left mechanism is connected with the right mechanism by an oil tube and a beam; in the left mechanism and the right mechanism, the lower part of an upper connecting bracket is movably connected with a support trench on a hydraulic lock by a middle shaft; the lower part of the hydraulic lock is fixedly connected with the upper end of a middle connecting bracket; a side end of the middle connecting bracket is connected with a lateral shock absorber; the bottom end of the middle connecting bracket is in threaded connection with a spring shock absorber; the lower part of the spring shock absorber is connected with the middle part of the lower connecting bracket; the top of the lower connecting bracket is connected with a front beam and a back beam; and the front beam and the back beam are respectively connected with the lateral shock absorber by front and back beam connecting plates. The strong shock-absorption type rear suspension device has good lateral buffer performance, does not cause reciprocating sidesway of the cab, improves driving safety, can avoid motion discordance with the vertical motion of the cab, has strong guidance action for parts, and can effectively prevent the parts from sliding.

The invention discloses a mold manufacturing process in investment casting. As magnesium chloride is adopted as a hardening agent, no volatile gas exists, so that the air pollution is reduced, and the damage to the physical health of a worker is reduced, and meanwhile, the production cost can also be reduced; and a manufactured and obtained mold wall cavity is smooth in surface and has no hole.

A method is provided for increasing the safety of a vehicle, a region about the vehicle being scanned and a distance between at least one location on the vehicle and a physical limit of this region is measured in at least one direction. Subsequently, it is checked whether the distance exceeds a specifiable threshold value and finally, a warning signal is output and / or the vehicle is braked, if the result of the checking is positive. Moreover, a central processing unit for a corresponding driver assistance system and a driver assistance system are provided.

The invention belongs to the technical field of toilet paper processing, and particularly discloses a square toilet paper boxing table. The square toilet paper boxing table comprises a working groove,a feeding opening is formed in the working groove, the working groove is arranged in an inclined manner, the feeding opening is located at the high end of the working groove, a pushing plate is hinged to the feeding opening, and a pawl is rotationally connected to the pushing plate; a baffle is arranged in the working groove in a sliding manner, a hollow shell is connected to the outer wall of the working groove in a sliding manner, the shell is fixedly connected with the baffle, an adjusting rod is arranged in the shell in a sliding manner, a plurality of ratchets meshed with the pawl are hinged to the adjusting rod in the length direction of the adjusting rod, and a plurality of through holes for the multiple ratchets to penetrate are formed in the shell; an air cylinder and a hydrauliccylinder are fixedly arranged at the low end of the working groove, the air cylinder is aligned at the low end of the adjusting rod, and the hydraulic cylinder is aligned at the low end of the shell;and a protruding block is fixedly arranged at the high end of the working groove and is aligned at the high end of the adjusting rod. By means of the square toilet paper boxing table, the problem that square toilet paper is disordered in the working groove is solved, automatic counting can be achieved, and manual number counting is not needed.

A rose cigarette with health-care function features that the rose flower is used as its raw material.

The invention discloses an automatic primer dipping and coating mechanism for a plastic-coated spline shaft without sagging, which comprises a machine room, a material basket, a material frame, a charging and discharging mechanism, a paint box, a paint box lifting mechanism and a hot air conveying mechanism, wherein the machine room is a semi-closed machine room, an air exhaust device is arranged on the top of the machine room, and a charging and discharging port is arranged at one side of the machine room; the material frame is arranged outside the charging and discharging port of the machine room, and the material basket is placed on the material frame; the charging and discharging mechanism is fixed in the machine room, and the charging and discharging mechanism is used for pulling the material basket into the machine room or pushing the material basket out of the machine room; the paint box lifting mechanism is fixed in the machine room, the paint box is arranged on the paint box lifting mechanism and is positioned below the material basket, and the paint box can move up and down under the action of the lifting mechanism; and the hot air conveying mechanism is fixedly arranged in the machine room. The invention can be used for realizing automatic dipping and coating with high dipping and coating efficiency, bottom sagging in the processes of dipping and coating is not generated, uniform paint layers are uniform, and simultaneously primers can be saved by 2 / 3.

The invention provides a vacuum paster mixing machine control system based on artificial intelligence. The vacuum paster mixing machine control system comprises a control unit, a paster mixing machine, a data acquisition module, a weighing device and a temperature sensor group; the control unit comprises a control panel, a display screen, a timer, a processor and a controller, and the control panel is used for controlling a system switch and setting working parameters; the timer is used for recording time parameters; the display screen is used for displaying working information, time information and temperature information of the paster mixing machine; the processor is used for receiving the temperature information transmitted by the data acquisition module and analyzing and processing thetemperature information. The paster mixing machine is controlled to operate by arranging the control unit; automatic paster mixing is achieved, the workload of workers is reduced, the lead paster manufacturing efficiency is improved, lead powder is prevented from being inhaled by the workers, and the health of the workers is prevented from being damaged; the temperature sensor set is arranged tosense the stirring temperature in the lead plaster mixing machine, the temperature is controlled through the ventilation device, and the quality of lead plaster is improved.

The invention discloses a paint spraying device for electric motorcycle fitting production, and relates to the technical field of electric motorcycles. The device aims to solve the problem of abrasion. The device specifically comprises a workpiece moving mechanism and at least two sets of paint spraying mechanisms. The workpiece moving mechanism comprises a workbench fixed to the ground through supporting legs, a main moving assembly arranged on the outer wall of the top of the workbench, and at least four sets of workpiece fixing assemblies connected with the main moving assembly. Each of thepaint spraying mechanisms comprises a vertical plate fixed to the ground and spray gun modules fixed to the outer wall of the vertical plate. The main moving assembly comprises an inner side chain, moving chain wheels, and an outer side chain. Two fixing chain wheels are meshed with the inner side wall of the inner side chain. Both fixing chain wheels are connected with the inner wall of the workbench through fixing chain shafts in a rotating mode. A fixing frame is fixed to the outer wall of the top part of the workbench through bolts. According to the paint spraying device for electric motorcycle fitting production, conveying and rotating movement can be combined into a whole, and abrasion caused by repeated combination and separation is avoided under the situation that the multi-face uniform paint spraying effect is achieved.

The invention provides a coating and a preparation method thereof, a pot and a cooking utensil, wherein the quasicrystal content in the coating is 20-90 wt% based on the total weight of the coating. According to the invention, the coating is good in non-stick performance, high in hardness, wear-resistant, scratch-resistant, corrosion-resistant, long in service life and high-temperature-resistant.

The invention relates to the field of traditional Chinese medicines, and particularly relates to medicinal liquor for treating prostatic disorders. The medicinal liquor for treating prostatic disorders comprises the following components in parts by weight: 260-330 parts of astragalus membranaceus, 180-220 parts of ginseng, 90-120 parts of fleece-flower root, 90-120 parts of radix rehmanniae preparata, 90-120 parts of glossy privet fruit, 26-35 parts of cartialgenous or 125-180 parts of deer horn sheets, 43-55 parts of herba cistanche, 43-55 parts of angelica sinensis, 43-55 parts of semen cuscutae, 43-55 parts of ligusticum wallichii and 43-55 parts of eucommia ulmoides. The components are soaked in white spirit at 45-65 degrees for over 30 days to obtain the medicinal liquor. The medicinal liquor is capable of tonifying yin and yang, treating both symptoms and root causes, and fundamentally nursing and treating prostatic disorders of patients, has significant and accurate curative effects on the diseases such as prostatitis and benign prostatic hyperplasia, and also can play a role in reliably curing erectile dysfunction and premature ejaculation caused by prostatitis.

The invention relates to a production line of foldable ballet shoes. The production line comprises a first conveying device located on the upper layer and a second conveying device located on the lower layer, wherein the first conveying device and the second conveying device penetrate through a first oven, a second oven, a third oven and a freezing chamber in sequence; a grinding device for grinding shoe soles is arranged beside the material feeding end of the second conveying device; a plurality of auxiliary locating devices for adhering, assembling and locating the shoe soles and vamps are arranged beside the second conveying device located between the third oven and the freezing chamber. The production line greatly improves the working environment and avoids harm to the health of workers due to odor of glue and dust pollution to the environment; meanwhile, the layout is reasonable; the shoe soles and the vamps are independently heated without mutual influence, so that the quality of a product is improved.

The invention discloses a hazardous fluid pipe pressure-controlling temperature-reducing valve device which comprises a valve body, a sensor assembly, a pressure reducing device, a temperature reducing temperature and a reflowing device. The sensor assembly is arranged on the valve body; the pressure reducing device is arranged at one end of a water outlet of the valve body; the temperature reducing temperature is arranged on a water outlet pipe and close to the pressure reducing device; the reflowing device is arranged in a liquid outlet of the pressure reducing device; the pressure reducingdevice comprises a special-shaped wall, the liquid outlet, a pressure reducing body and a limiting groove; the reflowing device comprises a guide pillar; one end of the guide pillar and a plunger arefixedly connected into the liquid outlet; and the other end of the guide pillar penetrates through a guide sleeve on a sealed block and stretches out to the outer side of the liquid outlet so as to befixedly connected with a block body. According to the hazardous fluid pipe pressure-controlling temperature-reducing valve device provided by the invention, the pressure intensity can be automatically controlled, the fluid temperature is adjusted, the energy is saved, and the occurrence of the phenomenon that a hazardous and polluted fluid leaks to pollute the environment and affect the human body health can be effectively prevented.

The present invention discloses an automatic epoxy asphalt sprinkler of steel decks, which is composed of a platform lorry loaded with an epoxy asphalt storage and metering device and power and a sprinkling car, wherein, the platform lorry is connected with the sprinkling car by a asphalt supplying pipeline, compressed air and cables, a generator, an air compressor and the epoxy asphalt storage and metering device are mounted on the loading platform lorry, a driving motor is arranged on the sprinkling car, a wind-proof cover covers the sprinkling car, the tail of which is provided with a sprinkling mechanism composed of a vertically adjustable supporting frame, a beam and asphalt nozzles, the beam is fixed on the supporting frame, the asphalt nozzles mounted on the beam are connected with a swing mechanism, and swing is realized by a crank link mechanism driven by an electric motor. The present invention is characterized in that high sprinkling speed, swing nozzles, adjustable intervals, altitude and swing amplitude of the nozzles, adjustable sprinkling width and high degree of mechanical automation.

The invention discloses a strength exercise device and a use method thereof, the invention relates to the technical field of sports fitness equipment, comprises a bottom plate and a vertical support bar, the vertical support bar is vertically installed on the left and right sides of the bottom plate, A horizontal support bar is mounted on the top of the vertical support bar, A horizontal fixing bar is mounted at the bottom of the horizontal support bar, guide rods are vertically mounted on the rear edge of the bottom plate, A guide sleeve is slidably mounted on the guide post, the rear side ofthe guide sleeve is welded with a barbell placing plate, a barbell placing bar is vertically mounted at the center of the barbell placing plate and is sleeved with a barbell plate, A lifting re is fixedly mounted on that top of the barbell place plate and is connected with a steel cable, self-locking hooks are arranged at both ends of the steel cable, The self-locking hook at one end of the steelcable and the lifting ring are clamped together, the bottom of the horizontal fixing rod is fixedly installed with a support by screws, a fixed pulley is rotatably installed on the support by a rotating shaft, the steel cable passes through the fixed pulley and is in sliding contact with the fixed pulley, and the self-locking hook at the other end of the steel cable is clamped with a lifting ringor a pull rod to provide a strength exercise device.

The invention discloses a liquid moving device for volatile liquid. Liquid movement is one of the common operations in the operation process of an experiment. The existing liquid moving device cannot prevent the volatile liquid from directly contacting with the outside air, so the liquid moving device for the volatile liquid is designed. In the liquid moving device for the volatile liquid, a liquid moving plug 1 is clamped on a liquid inlet pipe; the liquid inlet pipe is connected with a connecting plate 1 through a liquid guide pipe; the liquid inlet pipe and a gas guide pipe are on the same level; a baffle is positioned at the boundary position of the liquid guide pipe and the gas guide pipe; a rubber pipe is connected with the gas guide pipe and a liquid moving barrel; a piston rod and a piston are fixedly connected; a liquid outlet pipe is connected with the liquid guide pipe through a connecting plate 2; and a liquid moving plug 2 is clamped on the liquid outlet pipe. The liquid moving device for the volatile liquid is simple in structure and convenient to operate, and can effectively prevent the volatile liquid from directly contacting with the air in the liquid moving process so as to prevent the volatile liquid from volatizing to the air and avoid damage to human health.

The invention discloses an antitoxin and anti-explosion embedded scraper conveyor. The antitoxin and anti-explosion embedded scraper conveyor comprises a box body. The box body comprises a box body head part, a box body middle section, a feed section and a box body tail part. The box body head part, the box body middle section, the feed section and the box body tail part are sequentially connected into a whole through connection mechanisms. A discharge port is formed in the box body head part. A feed port is formed in the box body tail part. A head transition section is further arranged between the box head part and the box body middle section. A transmission mechanism is installed in the box body. An anti-explosion drive mechanism is installed on the box body head part and connected with the transmission mechanism. A sealed shell is installed at the position of the box body tail part. A lead screw adjustment seal pipe is installed on the sealed shell. By means of the antitoxin and anti-explosion embedded scraper conveyor, chemical products which emit toxic gas and are flammable and combustible can be safely conveyed, leakage of the toxic gas and materials is avoided, and the situation that adhesive materials are bonded to a bottom plate or block the discharge port is prevented.

The invention discloses a high-strength high-conductivity free-cutting copper alloy material and a preparation method thereof. The copper alloy material is characterized by comprising the following chemical components in percentage by weight: 0.6-1.5 percent of Pb, 0.6-1.5 percent of Ni, 0.1-0.5 percent of P, 0.01-0.05 percent of R and the balance of Cu, wherein R is either or both of trace elements, i.e., lanthanum and cerium. The preparation method comprises the steps of smelting, extruding, cleaning, cold working and annealing. The tensile strength of a processed bar product is 550-620MPa, the yield strength is 490-560MPa, the electrical conductivity is more than or equal to 50 percent IACS, the cutting machining performance is 70 percent (compared with 100 percent of HPb63-3), and the elongation percentage is more than or equal to 3 percent. The copper alloy material has the properties of high strength, high conductivity, free cutting and the like, and a production process is nontoxic and environment-friendly, so that the copper alloy material can be used for replacing a beryllium-copper material along with which extremely toxic substances are produced in a production process,.

The invention discloses a novel concrete water-based release agent applied to aluminum alloy templates. The release agent is composited from range hood gas condensate, an emulsifier, sodium alcohol ether sulfate, a dispersant, a rust inhibitor, a preservative, a thickening agent and water as main raw materials. The involved preparation process is simple and convenient to operate, raw materials arewidely sourced, synthesis temperature is low, and significant economic and environmental benefits are achieved; the obtained water-based release agent has good release performance and good applicability to aluminum alloy templates and cannot corrode a mold, released concrete has smooth and flat concrete surface without large bubbles, less concrete is adhered to the mold, and the release agent issuitable for popularization and application.

The invention discloses a multifunctional drilling facility. The multifunctional drilling facility comprises a base, supporting legs, a transmission device, a fixing device, a supporting rod, a guidecolumn, a guide sleeve, a sliding rod, a motor, a dust suction machine, a dust suction pipe, a suction head and first driving rods. The supporting legs are arranged on the two sides of the bottom endof the base, the transmission device is arranged in the center of the bottom end of the base, and the fixing device is arranged in the center of the upper end of the base. The supporting rod is arranged on the right side of the upper end of the base, the guide column is arranged on the left side of the upper end of the base, and the guide sleeve is arranged on the guide column. The first driving rods are arranged at the middle-lower end of the guide column and the supporting rod, and the two first driving rods are corresponding in position. The sliding rod is arranged on the right side of theguide sleeve, the motor is arranged on the sliding rod, and a drilling shaft is arranged at the bottom end of the motor. The dust suction machine is arranged at the upper end of the motor, the dust suction pipe is arranged on the dust suction machine and arranged along the motor, and the suction head is arranged at the tail end of the dust suction pipe and aligns to the drilling shaft.

The invention provides an energy saving device and method for a wave soldering machine. The energy saving device comprises a device body, the wave soldering machine, a soldering machine sealing cap, a soldering wave trough, a mechanical pump and a smoke exhaust device, wherein the wave soldering machine is arranged on the device body; the soldering wave trough is arranged in the wave soldering machine; the mechanical pump is connected with the soldering wave trough and used for forming wave crests in the soldering wave trough; the soldering machine sealing cap is arranged over the wave soldering machine; the smoke exhaust device is connected with the soldering machine sealing cap in a sealed mode. By means of the energy saving device and method for the wave soldering machine, the requirements for soldering are lowered, materials are saved, and the requirement for wave soldering are met. The soldering machine sealing cap can completely prevent outside air from entering the wave soldering machine, and then smoke in the wave soldering machine is exhausted and treated through the smoke exhaust device, so that the shortcoming that smoke is exhausted out of a wave crest opening to air is overcome, and the environment of a workshop is improved while soldering tin is saved. The energy saving device and method save energy, are environmentally friendly, and do not affect the physical health of workers.