37results about How to "Reduce dust particles" patented technology

The invention discloses an air wall sealing type double positive pressure purification workbench which comprises an air inlet system, and a flow guide and pressure division area is arranged below the air inlet system, wherein the bottom of the flow guide and pressure division area is provided with a flow diffusion plate, and a working cavity is arranged below the flow diffusion plate and communicated with an air suction system; the height of the flow guide and pressure division area is 40-60mm, and a flow guide and pressure division plate is arranged in the flow guide and pressure division area; the flow guide and pressure division plate is obliquely arranged in the flow guide and pressure division area and divides the flow guide and pressure division area into a front area and a rear area with trapezoidal cross sections; the front area with the trapezoidal cross section is in a form that an air inlet end is large, and an air outlet end is small, and the rear area with the trapezoidal cross section is in a form that the air inlet end is small, and the air outlet end is large. The workbench has reasonable structure and can effectively guarantee the clean class of the working cavity and the safety of operating personnel.

The invention discloses a multilayer treatment type atmosphere controlling device, which comprises a machine case, a water box, an air inlet mechanism, a spraying chamber, a dust suction chamber and apurification chamber, wherein the air inlet mechanism is arranged on the machine case and comprises an air inlet cover, a negative pressure fan blade and a motor; a spraying chamber is arranged at the right end of the inner side of the machine case; the dust suction chamber is arranged at the left end of the inner side of the machine case; two position limiting clamp plates are symmetrically arranged at the inner side of the purification chamber; a zeolite layer is clamped and connected with the inner side of the position limiting clamp plate arranged at the lower end; an active carbon layeris clamped and connected into the position limiting clamp plate arranged at the upper end. The design is novel; the arranged air inlet cover can realize the biomimetic rotation, so that the air inletrange can be expanded; the control efficiency is improved; the entering gas can realize the primary cleaning on particle matters in the atmosphere through the spraying chamber and the dust suction chamber; the dust particles in the gas are greatly reduced; then, the pollution gas in the atmosphere are cleared through the zeolite layer and the active carbon layer in the purification chamber; the atmosphere controlling effect is improved; the practicability is high.

The invention discloses a device and method for flue gas cleaning by combining an impact agglomeration wet dust collector with a wet electric dust collector. Specifically, the impact agglomeration wet dust collector and a gas-flow uniform distributing device are arranged under the tube-type wet electric dust collector, and the whole device is composed of a two-way gas-intake pipeline, an impact chamber, an efficient demister, a gas-flow uniform distributing plate, the wet electric dust collector, an alkali liquor pool, a precipitation liquor pool, a mixed liquor pool and the like. Flue gas processed through wet desulphurization impacts the liquor level in the impact chamber under the wet electric dust collector and arouses a large amount of water mist; meanwhile, two strands of the flue gas with the water mist is fully impacted and mixed over the liquor level, agglomeration growth of submicron fine particulate matter in the flue gas is facilitated, and precleaning of the flue gas is achieved. According to the device and method, the mode of combining the impact agglomeration wet dust collector with the wet electric dust collector is adopted, the problem that a traditional wet electric dust collector is lower in removing efficiency of the submicron fine particulate matter, and deep cleaning of the flue gas processed through wet desulphurization is achieved.

The invention relates to a durable coal mining winch with a cable being wound in order. The durable coal mining winch with the cable being wound in order comprises a roller, a power device, a cable and two supports and further comprises a guide mechanism and a cleaning mechanism. The guide mechanism comprises a moving seat, a guide ring, a power assembly, two contact switches and two racks. The cleaning mechanism comprises a rotating sleeve, a cleaning brush, a third gear, a drive assembly and two bearings. According to the durable coal mining winch with the cable being wound in order, the cable can be wound around the roller in order through the guide mechanism, the mutual wear between the cable is reduced, the service life of the cable is prolonged, and the practicability of the winch isimproved; by means of the cleaning mechanism, the cable can be cleaned, the quantity of dust particles and dirt on the cable is reduced, so that the mutual wear between the cable is reduced, the corrosion speed of the cable is lowered, the service life of the cable is further prolonged, and the practicability of the winch is further improved.

This invention relates to a packaging structure of chips and a manufacturing method including: providing a base board with at least one open-end through it, forming a block element surrounding the open-end of the board, forming an adhering element around the block element, setting a chip on the board and covering the open-end and fixing it with the adhering element on the board, in which, the active surface of the chip is facing to the open-end and part of which exposes it, utilizing a conduction connection element to pass through the open and connect with the active surface of the chip and the bottom surface of the base board electrically and forming a packaging colloid to wrap the element, in which, when the block element is set around the open to resist against adhering the chip, the overflow of the adhering element pollutes the conducting connection points on the active surface of the chip and limits height of the adhering element to reduce the probability of harming the active surface of chips by dust (such as EMC fillers).

The invention provides a device for cleaning a glass substrate. The device comprises a pressure pump, a CO2 storage tank, a CO2 foam generator and a nozzle pipeline, wherein a water inlet of the pressure pump is communicated with a water source; a water outlet of the pressure pump is divided into two paths, one path is communicated with a water inlet of the CO2 foam generator, and the other path is communicated with an inlet of the nozzle pipeline after combined with an outlet of the CO2 foam generator through a pipeline; a CO2 inlet of the CO2 foam generator is communicated with an outlet of the CO2 storage tank through a pipeline; and a plurality of nozzles are arranged on the pipe wall of the nozzle pipeline. With the adoption of the device, the glass substrate can be cleaned quickly.

The invention discloses a sizing agent for silicon carbide or silicon nitride fibers. The sizing agent is prepared from, by weight, 0.2-0.8 part of polyvinyl alcohol, 0.1-1.5 parts of modified silicone oil, 0.5-3.5 parts of alkylphenol ethoxylates, 0.1-0.25 part of benzoic acid and 100 parts of deionzied water. The sizing agent for the silicon carbide or silicon nitride fibers is applied to ceramic fibers converted by a polycarbosilane precursor such as second-generation and third-generation continuous silicon carbide fibers, wave-transmitting-type continuous silicon carbide fibers and broadband wave-absorbing continuous silicon carbide fibers, and bonding and bundling of loose cellosilk can be enhanced. Softness of the fibers is facilitated, the friction force of fiber bundles is reduced,and thus the fiber bundles are easier to weave; coverage and repair of defective holes in the surfaces of the fibers are facilitated, and the intensity of the fibers is improved; improvement of the static resistance of the surfaces of the fibers is facilitated, and adsorption of water molecules and dust particles in the atmosphere is reduced.

The invention relates to the technical field of power distribution equipment, in particular to an intelligent integrated power distribution cabinet which comprises an equipment cabinet, semiconductor temperature-control refrigerating equipment, electricity leakage safety warning lamps, main circuit fuse work indicating lamps, branched circuit fuse work indicating lamps and an intelligent monitoring touch display screen. Realtime operating and monitoring of electronic equipment in a cabinet body can be realized by only operating the intelligent monitoring touch display screen on the equipment cabinet, number of opening-closing times of a cabinet door is reduced, and dust particles entering the equipment cabinet are reduced effectively; when the electricity leakage safety warning lamps, the main circuit fuse work indicating lamps and the branched circuit fuse work indicating lamps are in failures in the equipment cabinet, realtime and quick alarming can be realized, so that time of operating personnel for reciprocating troubleshooting is reduced, and failure time is reduced as much as possible, and loss is reduced; semiconductor refrigerating belongs to a novel refrigerating mode, and temperature in the equipment cabinet can be controlled more quickly and more effectively than conventional fan heat dissipation and water-cooling heat dissipation; the intelligent integrated power distribution cabinet is smaller in occupied space and lower in power consumption.

The invention relates to an electrostatic dust collection robot which adopts the scheme that dust removing arms are mounted on the two sides of the upper part of a robot body; a moving system comprises wheels, a gear system, a small-sized motor, a single-chip microcomputer processor, a control circuit and infrared distance inductors; the four wheels are mounted at the lower part of the robot body, and are in transmission connection with the small-sized motor through the gear system; the plurality of infrared distance inductors used for inducting barriers are respectively distributed on the outer wall of the robot body and connected with the single-chip microcomputer processor through the control circuit; the single-chip microcomputer processor is connected with the small-sized motor and used for controlling the rotating speed and steering direction of the small-sized motor, so that the robot can be kept away from barriers. The robot adopts the moving manner that the wheels are driven to rotate mainly by the small-sized motor through the gear system to enable the robot to move; the robot body is provided with the infrared distance inductors, when the robot encounters barriers, the infrared distance inductors send signals to the built-in single-chip microcomputer processor, and the single-chip microcomputer processor controls the rotating speed and steering direction of the small-sized motor, so that the function of avoiding barriers is achieved.

The invention discloses dust removal fresh air equipment which comprises an air inlet channel used for introducing air into an indoor space and an air outlet channel used for discharging the air toward an outdoor space; the air inlet channel is internally provided with a heat exchanger; the air outlet channel performs heat exchange with the air inlet channel through the heat exchanger; a dust removal device is arranged at an air inlet of the air inlet channel and comprises a primary dust removal device and a secondary dust removal device; and the primary dust removal device communicates with the air inlet channel through the secondary dust removal device. The invention provides the dust removal fresh air equipment which performs pretreatment before fresh air enters the indoor space and greatly lowers the dust content in the air.

The invention relates to a processing method and a processing device of a glass substrate. The processing method comprises the following steps: loading: placing the glass substrate (100) on a loading mechanism (1), and conveying the glass substrate to a cutting mechanism (2) by the loading mechanism (1); cutting: cutting and breaking off the glass substrate (100) by adopting the cutting mechanism (2); dust removal: while the cutting mechanism (2) cuts and breaks off the glass substrate (100), adopting a dust removal mechanism to carry out dust removal treatment on the cut part and the broken part of the glass substrate (100); grinding: grinding the edge part of the cut glass substrate (100) by adopting a grinding mechanism (4); and cleaning: cleaning the ground glass substrate (100) by using a cleaning mechanism (5). The processing method can solve the technical problem of low yield of the glass substrate.

The invention discloses a soil crushing device. The soil crushing device comprises a device body, a feeding hopper is arranged on the upper end surface of the device body, a supporting frame is arranged on the lower end face of the device body, a first discharging opening and a motor box are arranged on the two side faces of the device body respectively, a servo motor is arranged in the motor box,a tap water pipe is arranged on the upper end face of the feeding hopper in a surrounding mode, an atomizing nozzle is symmetrically arranged at the upper end of the inner side surface of the feedinghopper, a soil crushing knife which is meshed with each other is arranged at the upper end of the interior of the device body, a sieve plate is arranged at the lower end of the soil crushing knife, asecond discharging opening penetrating through the support is formed in the middle of the bottom end of the device body. According to the device, the atomizing nozzle is arranged, dust particles above the feeding hopper are reduced, so that the environmental protection performance of device is improved, the structure is simple, the operation is convenient, the sieve plate with the spherical rotating part is arranged, so that the vibration of the soil and the separation of fine crushed soil are facilitated, a maintenance door is arranged, so that the device can be conveniently cleaned, and themaintenance of the device is facilitated.

The invention provides a detachable drill bit with a dust sucking function. The detachable drill bit with the dust sucking function comprises a dust sucking drill bit, a fixed shaft sleeve, a dust collecting shaft, a shank piece and a thread hose; the dust collecting shaft is fixedly welded on the dust sucking drill bit; the shank piece is fixedly welded on the dust collecting shaft; a drilling end is fixedly mounted at the front end of the dust sucking drill bit; an attraction hole in a center shaft direction of the dust sucking drill bit is formed in the dust sucking drill bit; the dust collecting shaft is of a hollow cylinder structure, and is provided with a dust falling hole on the outer wall; the attraction hole communicates with the dust collecting shaft; the outer periphery of thedust collecting shaft is sleeved with the fixed shaft sleeve; a guide hole is formed in the bottom end of the fixed shaft sleeve; the guide hole is in threaded connection with a transfer pipe; and thetransfer pipe is in hoop connection with the thread hose. The detachable drill bit with the dust sucking function is simple in structure and convenient to install; six sets of crushing blocks are fixedly mounted in a front end inlet of the attraction hole; massive dust entering the attraction hole is crushed through the crushing blocks to prevent blockage of the attraction hole, so that the dustsucking efficiency is improved; and the fixed shaft sleeve and the dust collecting shaft are easy to disassemble to achieve the cleaning and maintenance convenience.

The invention relates to a vertical spindle type drilling machine capable of preventing dust from dispersing and used for petroleum. The vertical spindle type drilling machine capable of preventing the dust from dispersing and used for the petroleum comprises a main body and a clamping cover, wherein a supporting plate is arranged on the main body and is fixedly connected with the main body; a rotating disc is installed on the inner side of the supporting plate; hydraulic cylinders are fixed to the lower end of the supporting plate; the supporting plate is tightly attached to the hydraulic cylinders; sliding boxes are connected to the bottom ends of the hydraulic cylinders; and a vertical structure is formed between the hydraulic cylinders and the sliding boxes. According to the vertical spindle type drilling machine capable of preventing the dust from dispersing and used for the petroleum, the vertical spindle type drilling machine can be used for petroleum exploitation work by starting a motor, and a large amount of up-and-down lifting space can be provided for the vertical spindle type drilling machine to perform petroleum exploitation work through up-and-down lifting movement of the sliding boxes and the motor on the sliding rod, the intensity of petroleum exploitation work can be further improved, the dust in the air can be reduced, and the dust density on the periphery can be detected for petroleum exploitation through a rubber plate and a sensor.

The invention discloses a separation method for carbon monoxide in smelting furnace gas. The method comprises the following steps: cooling and dedusting furnace gas exhausted from a smelting furnace and then pressing the furnace gas with a compressor into a pressure swing adsorption device for furnace gas separation, wherein the process of pressure swing adsorption is used for furnace gas separation so as to realize concentration and purification of carbon monoxide, adsorption temperature is 20 to 55 DEG C, and adsorption pressure is 0.25 to 1.2 MPa. Equipment used in the separation method comprises the compressor and the pressure swing adsorption device; one end of a cylinder in the compressor near a crankshaft is provided with an air inlet and an air outlet, airways communicated with the air inlet and the air outlet are respectively provided with an inflowing air control valve and an outflowing air control valve, and the inflowing air control valve and the outflowing air control valve are both provided with rotation valve cores which are connected with the crankshaft through a mechanical transmission device. The method provided in the invention overcomes the problem of high costin separation and recovery of carbon monoxide gas from smelting furnace gas in the prior art.

The invention belongs to the technical field of environmental protection equipment, and relates to a cyclone dust collector. The cyclone dust collector comprises an inner cylinder, wherein an outer cylinder is arranged at the outer ring of the inner cylinder; a heat insulation layer is filled between the inner cylinder and the outer cylinder; the upper ends of the inner cylinder and the outer cylinder are provided with top flanges, and the lower ends are provided with bottom flanges; the rotation center of the inner cylinder is provided with a first steel pipe; the upper end of the first steel pipe is fixedly connected with the top flanges; the lower end of the first steel pipe is suspended in the inner cylinder; a coal gas inlet pipe penetrates through the inner cylinder and the outer cylinder; and the coal gas inlet pipe communicates with the first steel pipe. According to the invention, the product is simple and reasonable in structure; a two-layer cylinder structure design is adopted, and the heat insulation layer is arranged between the two cylinders, so that a favorable heat insulation effect on coal gas is achieved, thereby reducing energy loss; and meanwhile, the first steel pipe is arranged in the cylinder, and the coal gas inlet communicates with the first steel pipe, so that dust-bearing coal gas rotates in the first steel pipe, and dust particles descend, thereby achieving a favorable dust collecting effect.

The invention discloses grinding equipment for plate grinding compounding. The grinding equipment comprises a grinding head frame, a cross beam, an air cylinder, a plurality of tension springs, a driving motor, a main shaft seat mechanism, a core shaft seat, a core shaft, a steel wire brush roller and a sliding rail assembly. A hinge shaft II at the lower end of the cross beam is hinged to a hinge shaft I of the grinding head frame; the air cylinder is hinged at the upper end of the cross beam, and a telescopic rod of the air cylinder is hinged at the upper end of the grinding head frame. the driving motor is mounted at the upper end of the grinding head frame; the main shaft seat mechanism comprises a main shaft and a main shaft seat; the sliding rail assembly comprises a sliding plate and a sliding groove; the core shaft seat is mounted on the sliding plate; a rotatable shaft is installed in the core shaft seat, one end of the core shaft is connected to the main shaft, and the other end of the core shaft is connected to the rotating shaft; and the steel wire brush roller is sleeved with the core shaft, and connected with the core shaft into a whole by a locking nut. According to the grinding equipment, a workpiece is scraped and ground through high-speed rotational motion of the steel wire brush roller, the grinding quality is high, the production efficiency is high, and the grinding equipment can be used for surface treatment of large-area plates.

The invention relates to the technical field of silencing, in particular to a silencing device for a vacuum pump. The silencing device for the vacuum pump comprises a shell; a partition plate for dividing the shell into an upper half shell body and a lower half shell body is arranged in the shell; a first opening connected with an exhausting pipe of the vacuum pump is formed in the upper half shell body; two magnets opposite in magnetism are further oppositely arranged in the upper half shell body; a rotating piece is arranged between the two magnets, and is provided with a coil for cutting amagnetic induction line; an electric brush is electrically connected to the coil; a water storing cavity and a filtering cavity which are communicated are formed in the lower half shell body; an atomizing piece for atomizing water is arranged in the water storing cavity; a circuit box used for controlling high-frequency vibration of the atomizing piece is further arranged in the water storing cavity, and is connected with the electric brush; the water storing cavity is further provided with a water inflow pipe and a water outflow pipe; and the filtering cavity is provided with a second openingand a third opening. By means of the scheme, the problem that an existing vacuum pump is large in noise is solved.

The invention discloses a separation method for carbon monoxide in smelting furnace gas. The method comprises the following steps: cooling and dedusting furnace gas exhausted from a smelting furnace and then pressing the furnace gas with a compressor into a pressure swing adsorption device for furnace gas separation, wherein the process of pressure swing adsorption is used for furnace gas separation so as to realize concentration and purification of carbon monoxide, adsorption temperature is 20 to 55 DEG C, and adsorption pressure is 0.25 to 1.2 MPa. Equipment used in the separation method comprises the compressor and the pressure swing adsorption device; one end of a cylinder in the compressor near a crankshaft is provided with an air inlet and an air outlet, airways communicated with the air inlet and the air outlet are respectively provided with an inflowing air control valve and an outflowing air control valve, and the inflowing air control valve and the outflowing air control valve are both provided with rotation valve cores which are connected with the crankshaft through a mechanical transmission device. The method provided in the invention overcomes the problem of high cost in separation and recovery of carbon monoxide gas from smelting furnace gas in the prior art.

The invention relates to the technical field of medical equipment, in particular to a medical respiratory disease prevention and humidification device. The device comprises an outer box body, a dust settling chamber, a sterilization chamber and a humidifying chamber are arranged in the outer box body, and the dust settling chamber and the humidifying chamber are in through connection with the sterilization chamber; a circulating sterilization part is arranged in the sterilization chamber; a dust settling part is arranged in the dust settling chamber, and the dust settling chamber and the sterilizing chamber are in through connection with the circulating sterilization part through the dust settling part; a moisture supply air box is arranged in the humidifying chamber, a water inlet pipe is connected to the side wall of the moisture supply air box in a penetrating manner, a heating part is arranged on the moisture supply air box, and the moisture supply air box is connected with the circulating sterilization part in a penetrating manner; a moisture exhausting air box is arranged on the side wall of the moisture supply air box, and an atomizing sheet is embedded in the side wall of the moisture exhausting air box; and a condensing plate is arranged in an inclined manner, the inclined bottom end of the condensing plate is positioned above the moisture exhausting air box. According to the medical respiratory disease prevention and humidification device, distilled water humidification is achieved, the operation is easy and convenient, and pneumonia and respiratory diseases due to bacterium breeding are effectively avoided.

The invention discloses an environment-friendly decorative wall body and a construction method thereof, which solves the problems that the existing decorative plant walls are mostly used for greening without combining irrigation technology to better improve the indoor environment, and have relatively single functions. The present invention includes a wall, the wall is provided with a decorative wall, the decorative wall includes a frame, a water supply tank is arranged above the frame, a panel is embedded in the frame, and the panel is a water-absorbing and air-permeable board. The panel is provided with a plurality of blind holes that can be plugged with flower pots that are inclined upward. The water wheel device includes a runner, a water container arranged obliquely on the circumference of the runner, and a runner drive device. An ultraviolet lamp is arranged below the water replenishment chamber, and a guide extending to the panel is arranged in front of the ultraviolet lamp. Flow board. The invention has the advantages of interval generation of negative oxygen ions and long retention time to purify air and the like.

The invention relates to a vertical shaft drilling rig for preventing dust dispersion for petroleum, comprising a main body and an engaging cover, the main body is provided with a support plate, and the main body and the support plate are fixedly connected, and the inner side of the support plate is installed with Turntable, the lower end of the support plate is fixed with a hydraulic cylinder, and the support plate and the hydraulic cylinder are closely bonded, the bottom end of the hydraulic cylinder is connected with a sliding box, and the hydraulic cylinder and the sliding box are in a vertical structure. The anti-dust dispersion vertical shaft drilling rig for oil can be used for oil mining by starting the motor, and the vertical shaft drilling machine can be used for oil mining through the up and down movement of the sliding box and the motor on the slide bar. Provide a large amount of up and down lifting space, and can also increase the intensity of oil extraction work, so as to reduce the dust in the air, and through the rubber plate and sensors, it can detect the dust density around the oil extraction.

The invention relates to the field of heating equipment, in particular to a smokeless heating furnace which comprises a furnace body and a heat insulation plate arranged on the bottom end face of the furnace body. A combustion cavity is formed by the surface of the heat insulation plate and the inner wall of the furnace body; the bottom end face of the furnace body is connected with an air inlet assembly. An air supply channel is formed in the heat insulation plate in a penetrating manner; a heat preservation pipe is arranged on the outer edge side of the furnace body in a surrounding mode, and an oxygen adding channel is formed between the inner wall of the heat preservation pipe and the outer wall of the furnace body. The oxygen replenishing channel is communicated with the top area of the combustion cavity; the air inlet assembly can supply oxygen into the combustion cavity through the air supply channel and the oxygen adding channel. The heating furnace has the effect of improving the comfort of a user when the heating furnace is used.

This invention relates to a packaging structure of chips and a manufacturing method including: providing a base board with at least one open-end through it, forming a block element surrounding the open-end of the board, forming an adhering element around the block element, setting a chip on the board and covering the open-end and fixing it with the adhering element on the board, in which, the active surface of the chip is facing to the open-end and part of which exposes it, utilizing a conduction connection element to pass through the open and connect with the active surface of the chip and the bottom surface of the base board electrically and forming a packaging colloid to wrap the element, in which, when the block element is set around the open to resist against adhering the chip, the overflow of the adhering element pollutes the conducting connection points on the active surface of the chip and limits height of the adhering element to reduce the probability of harming the active surface of chips by dust (such as EMC fillers).

The invention discloses an air wall sealing type double positive pressure purification workbench which comprises an air inlet system, and a flow guide and pressure division area is arranged below the air inlet system, wherein the bottom of the flow guide and pressure division area is provided with a flow diffusion plate, and a working cavity is arranged below the flow diffusion plate and communicated with an air suction system; the height of the flow guide and pressure division area is 40-60mm, and a flow guide and pressure division plate is arranged in the flow guide and pressure division area; the flow guide and pressure division plate is obliquely arranged in the flow guide and pressure division area and divides the flow guide and pressure division area into a front area and a rear area with trapezoidal cross sections; the front area with the trapezoidal cross section is in a form that an air inlet end is large, and an air outlet end is small, and the rear area with the trapezoidalcross section is in a form that the air inlet end is small, and the air outlet end is large. The workbench has reasonable structure and can effectively guarantee the clean class of the working cavityand the safety of operating personnel.

The invention discloses an adsorption concentration heat storage type catalytic combustion device, and relates to the technical field of catalytic combustion. The adsorption concentration heat storagetype catalytic combustion device comprises a loosening and tidying mechanism, a preheating box, a combustion box and a dust removal box. The top of the combustion box is fixedly connected with a discharging box, one side of the discharging box fixedly communicates with a feeding pipe, and the feeding pipe is fixedly provided with a feeding valve. A fixed grinding table is fixedly connected to thebottom of the inner side of the discharging box. A grinding groove is formed in the top of the fixed grinding table. A discharging channel is formed in the fixed grinding table and communicates withthe interior of the combustion box. The top of the discharging box is fixedly connected with a motor. The top of the inner side of the discharging box is rotationally provided with a second rotation rod. An output shaft of the motor penetrates through the discharging box through a coupler and is fixedly connected with the top end of the second rotation rod, the bottom end of the second rotation rod is fixedly connected with a smashing roller, and smashing teeth are welded to the outer side face of the smashing roller. The adsorption concentration heat storage type catalytic combustion device is good in catalytic combustion effect, capable of saving energy and environment-friendly.

The invention relates to a high efficient water heater capable of making full use of biomass fuels. The key lies in that a gasification chamber, three combustors, a spiral filter, an ash bucket, a slag charge chamber, pipelines and components are all arranged in a heater body capable of being filled with water. The pipelines and the components are connected with the combustors. Biomass fuels are gasified into combustible gas in the gasification chamber. After a mount of biomass fuels is gasified and then is combusted in a main combustor. Fuel gas which is in incomplete combustion in the main combustor is combusted subsequently in a second combustor and a third combustor. After the biomass fuels are gasified, the biomass fuels are fully combusted, biomass energy is released greatly, and the overall structure is scientific and reasonable. Through a form of water covering heat, heat energy is in high efficient use. PM 2.5 in exhausted smoke is next to nothing, and the smoke is almost clean, black-free, sulfur-free, and has non-toxic substances. The high efficient water heater capable of making full use of biomass fuels is suitable for hot water supply for life and heat supply in winter of communities, schools, hospitals and hotels, and also suitable for taking place of coal boilers, oil boilers, gas boilers and electric heating water supply devices in industrial production. Hot water is supplied for drying materials and products.

The invention provides a novel cleaning method for a dust-free duster, which comprises the following steps: soaking the duster in ultrapure water being subjected to filtration of ion-exchange resin, adding fatty alcohol polyglycol ether, alkyl-triglyceride-amide and sulfosuccinic acid solution, and meanwhile, conducting fabric refining and acid-base cleaning, drying and cooling, and dust-free detection. The cleaning method is the cleaning process summarized by years of innovative practice research of the company; according to the dust-free duster cleaned by the method, pollutants of organic and inorganic residues, liquid dust particles, zwitterions, and the like are almost cleared completely, so that dust-free cleaning requirements for dusters in various fields of semiconductor product line chips, microprocessors, semiconductor assembly product lines, disc drivers, LCD display products, dust-free workplaces, and the like are completely satisfied; therefore, the method belongs to an innovation for the technical field of cleaning and processing of the dust-free dusters.