79results about How to "Improve smoke removal effect" patented technology

The invention relates to a thin water mist fire extinguishing system comprising a filter, a water tank, a water supply pump, a water pump control valve, zone valves, water mist spray nozzles and an alarm device. One end of the filter is connected with a water source through a water source valve, and the other end of the filter is connected with the water tank through a pipeline. One end of the water supply pump is connected with the water tank through the pipeline, and the other end of the water supply pump is connected with the zone valves through the pipelines. The water pump control valve is connected with the water supply pump, the zone valves and the alarm device respectively through electric signals. The water mist spray nozzles are connected with the zone valves through the pipelines. Compared with the prior art, the sum of the volume of water particles with the diameters of less than 200 MMum in water mist jet flow sprayed by the thin water mist fire-extinguishing system is not less than 90% of the total volume, the size of water drops of the thin water mist is small, and the thin water mist has large specific surface area, high density and good smoke-removing effect.

The invention discloses a centrifugal static lampblack removal device. The centrifugal static lampblack removal device comprises a motor, a channel, an anode and a cathode. The anode is grounded. The cathode is connected with a negative high voltage power supply. The anode is of a disc structure composed of oil throwing strips and an anode jacket, and more than one oil throwing strip is evenly distributed on the anode jacket in a radial manner. The cathode is of a disk structure composed of barb wires and a cathode jacket, and more than one barb wire is evenly distributed on the cathode jacket in a radial manner. The anode is installed at the left end of a main shaft of the motor through the anode jacket. The cathode is installed at the right end of a positioning shaft through the cathode jacket, and can rotate around the positioning shaft. The anode and the cathode are connected through a pusher dog. Fan blades are installed at the positions, located the right side of the anode, of the main shaft of the motor. An oil collecting tank is formed in the position, corresponding to the anode and the cathode, of the channel. Because the deoiling mode that the motor is adopted for driving the anode and the cathode to throw oil at a high speed, the centrifugal static lampblack removal device has the beneficial effects of being good in oil removal effect, low in using cost at the later period, small in workload of maintenance and the like; the problem that electrode plates of a static lampblack removal device are difficult to clean is solved; and the centrifugal static lampblack removal device has the popularization value.

The invention discloses an efficient easy-to-clean electrostatic oil fume removing system. The efficient easy-to-clean electrostatic oil fume removing system comprises an air inlet pipeline, an air outlet pipeline and an electrostatic oil fume removing module, wherein the electrostatic oil fume removing module is connected with the air inlet pipeline and the air outlet pipeline respectively; the electrostatic oil fume removing module comprises multiple electrostatic oil fume removing units which are independent of one another, the electrostatic oil fume removing units are vertically arranged, the tops of the electrostatic oil fume removing units are connected with the air outlet pipeline, and the bottoms of the electrostatic oil fume removing units are connected with the air inlet pipeline; the tops or bottoms of the electrostatic oil fume removing units are provided with air regulating valves for controlling air inlet capacity, and the air regulating valves are used for regulating the amount of waste gas entering each electrostatic oil fume removing unit. The electrostatic oil fume removing system provided by the invention has the advantages that the structure is reasonable, the air balancing effect is obvious, an oil fume removing effect is good, the cleaning and maintenance are easy, meanwhile, the disassembly and change are convenient, and the efficient easy-to-clean electrostatic oil fume removing system is very suitable for waste gas treatment of a large factory and is suitable for popularization and application.

The invention discloses a steam-liquid separating assembly for removing oil and smoke and a multistage filter device. The steam-liquid separating assembly comprises an oil baffling plate (41), wherein an accommodation hole (411) is arranged in the middle part of the oil baffling plate (41) and is provided with a flanging (412) that stretches downwards; an oil collecting hood (43), which is fixed on the lower lateral surface of the oil baffling plate (41), wherein the edge of the inner side of the oil collecting hood (43) is provided with an oil collecting groove (431); a separating disc (42), which is arranged between the oil baffling plate (41) and the oil collecting hood (43), and a transmission motor (44), which is fixedly connected to the middle of the separating disc (42); wherein the external diameter of the separating disc (42) is larger than the diameter of the accommodation hole (411), and the internal diameter of the oil collecting groove (431) is smaller than the diameter of the accommodation hole (411). The provided assembly and device have the advantages of simple structure, high oil removing efficiency, and easy assembly, disassembly and maintenance.

The invention discloses a cold light source abdominal image parameter adaptive real-time defogging method. The method comprises the steps that the frame rate of an abdominal image video signal is acquired, and a sampled frame of a video image is selected according to the frame rate; an original fog-containing image of the sampled frame is acquired; a dark channel map is obtained after the original fog-containing image is calculated according to the dark channel prior defogging principle, a transmissivity map of the dark channel map is calculated, and an autoregressive moving average method is adopted to calculate an atmosphere illumination coefficient of the dark channel map; the original fog-containing image, the dark channel map, the atmosphere illumination coefficient and the transmissivity map are utilized to solve a fog map imaging equation, and a defogged image is obtained; and the defogged image is output in real time to form a defogged video. Due to the fact that downsampling is adopted to solve the transmissivity of a high-definition image, the data volume needing to be processed is substantially reduced, and real-time performance of defogging is improved; moreover, the autoregressive moving average method is adopted to calculate the atmosphere illumination coefficient, and the defogged image is transferred into an HSV space for image enhancement, so that the dark side effect on the defogged image is eliminated.

The invention relates to a hot pot table capable of reducing oil fume. The hot pot table comprises a table body, an oil fume removing device, an electromagnetic plate disposed at an upper end of the table body, and a hot pot disposed on the electromagnetic plate; the hot pot comprises a pot body and a pot cover covering the pot body; the oil fume removing device comprises an air blowpipe disposed at one side of the pot body, an air suction cover disposed at the other side of the pot body, and a treating box disposed in the table body; an upper end of the air blowpipe is provided with a pot cover standing groove, and the pot cover standing groove is inclined to the one side of the pot body from bottom to top; a side wall, towards the one side of the pot body, of the air blowpipe is provided with an air outlet through hole communicated with the inside of the air blowpipe, and the air outlet through hole is positioned over the pot body; the treating box is communicated with the air suction cover via an air inlet pipe; the treating box is communicated with the air blowpipe via an air outlet pipe; a blower is disposed in the air outlet pipe; and an oil fume treating mechanism is disposed in the treating box. The pot cover, the air blowpipe and the air suction cover are fully utilized to reduce oil fume steam diffusion, and air can be recycled and used; and cooperated with an elevating device and detachable characteristics, the hot pot table can be used all year round.

The invention relates to a flue-smoke-removal-type smoke condensation waste heat recycling system. The flue-smoke-removal-type smoke condensation waste heat recycling system comprises a water pump, wherein a first pipeline is installed at a water outlet of a water pump, the first pipeline is connected to an inlet of an energy saver, an outlet of the energy saver is communicated with a water inlet of a boiler by virtue of a third pipeline, the first pipeline is also branched to form a second pipeline, the second pipeline is directly communicated with the third pipeline, and a switch valve is installed on the second pipeline; the first pipeline is provided with a first thermometer and a first pressure gauge; the third pipeline is provided with a second thermometer and a second pressure gauge, and the flue-smoke-removal-type smoke condensation waste heat recycling system also comprises a controller, wherein an input end of the controller is connected with the first thermometer, an output end is connected with the energy saver, and the controller controls the power of the energy saver according to a temperature signal detected by the first thermometer.

Disclose is a range hood, comprising power machine which is fixed in sleeve out of the area covered by range hood cap, trumpet shaped contracted tapered air hose extending into lampblack receiving chamber with its top linked with the sleeve and a jetburner on its lower part, lampblack receiving chamber whose lower part is trumpet shaped contracted and top is enclosed and side wall is linked to lampblack inlet, columnar mixing tube whose top is linked with bell mouth of the chamber, diffuse cell whose top is linked with lower part of columnar mixing tube, arched exhaust pipe whose top is linked to bell mouth of diffuse cell. Air hose and its jetburner, lampblack receiving chamber, mixing tube, diffuse cell and air exhausting pipe are linked orderly along the central axial line .The jetburner whose cross sectional area is smaller than that of mixing tube , is on the air inlet of mixing tube, and lampblack inlet and contact interface of lampblack receiving chamber are at the back of jetburner. The invention has simple and compact structure, reliable service, excellent effect of exhausting lampblack, no oil sludge and convenient cleaning and maintenance.

The invention discloses a smokeless moxibustion instrument. The smokeless moxibustion instrument comprises a base, wherein an adjustable bracket is fixedly connected to the top of the base; a combustion device is fixedly connected to the other end of the adjustable bracket, and comprises a housing and a combustion cylinder; a limiting piece is fixedly connected to the upper part of the inner wallof the housing; a limiting ring is arranged at the top of the combustion cylinder, and is in contact with the limiting piece; heat insulation foam is arranged between the combustion cylinder and the housing; a heat accumulation piece is arranged at the bottom of the housing; a housing cover is arranged at the top of the housing; a smoke exhausting pipe penetrates through the housing cover, and theother end of the smoke exhausting pipe is arranged in a purifying device; and the purifying device is located on the base. The smokeless moxibustion instrument disclosed by the invention is simple instructure; through the purifying device, smog generated during combustion of moxibustion can be removed, the smog removing effect is good, damage to human bodies can be prevented, and smoke ash generated after the combustion of the moxibustion can be conveniently cleaned; and the heat accumulation piece is arranged, so that heat accumulation can be performed, heat quantity is sufficiently transmitted to acupuncture points, and the effect of the moxibustion therapy is better.

The invention discloses a multi-stage filtering device used for removing oil fume. The multi-stage filtering device comprises a shell (1) with an opening formed in the lower portion, and a fan (6) mounted in the shell (1) and used for providing negative pressure suction; an oil fume channel is formed between the fan (6) and the opening of the shell (1); an oil fume collecting hood (2), a steam-liquid barrier assembly (3), at least one steam-liquid separating assembly (4) and a multi-stage filter (5) are sequentially arranged on the oil fume channel from bottom to top and connected with the shell (1); a steam-liquid isolation cavity is formed between the steam-liquid barrier assembly (3) and the steam-liquid separating assemblies (4), a steam-liquid separating cavity is formed between the steam-liquid separating assemblies (4) and the multi-stage filter (5), and a cavity where the multi-stage filter (5) and the fan (6) are located is a filtering cavity. The multi-stage filtering device is simple in structure, high in oil fume removing efficiency and easy to disassemble, assemble and maintain.

The invention discloses a type kitchen ventilator. It includes: gas collecting hood, fume exhaust pipe deoiling device, exhaust blower, power supply switch and lighting lamps. The gas collecting hood is semi-closed cavity body structure. Range is located in the semi-closed cavity. The left, right, back wall and top of the gas collecting hood is closed. There is a shrouding at the upper of the front side. An air inlet is set below if the shrouding. The invention is applied for kitchen utensils field.

A smoke removal device includes a connecting tube, a burner, and a plurality of heat storage meshes. The connecting tube has an inlet end and an outlet end. The burner is disposed in the connecting tube and has a flame outlet. The heat storage meshes are sequentially disposed between the flame outlet and the outlet end. The heat storage meshes includes a first heat storage mesh and a second heat storage mesh. The first heat storage mesh is located between the second heat storage mesh and the flame outlet. A mesh-number of per unit area of the first heat storage mesh is larger than that of the second heat storage mesh. The first heat storage mesh and the second heat storage mesh could slow down a flow rate of flame to increase temperatures of the heat storage meshes. The smoke is burned off once touching the heat storage meshes.

The invention provides wall-type moxibustion smoke discharging equipment which comprises an exhaust fan, a smoke discharging manifold, a plurality of smoke discharging branched pipes, a plurality of smoke extracting pipelines and a bedside fixing structure. The smoke discharging manifold extends from the inside of a room to the outside of the room, the exhaust fan is mounted at a manifold orificeoutdoors, the smoke discharging branched pipes and the smoke extracting pipelines are embedded in the inner wall of the room or contained in an equipment shell, the smoke discharging branched pipes are arranged on the smoke discharging manifold at intervals, and one ends of the smoke discharging branched pipes are communicated with the smoke discharging manifold while the other ends of the same are communicated with one smoke extracting pipeline; each smoke extracting pipeline is an elastic extensible pipe, one end of each smoke extracting pipeline is communicated with the corresponding smokedischarging branched pipe while the other end of the same is provided with a smoke suction port; the bedside fixing structure is fixed beside a sickbed and comprises a supporting member and a clampingmember, one end of the supporting member is mounted on the sickbed while the other end of the same is mounted with the clamping member, and a clamping end of the clamping member detachably clamps thesmoke suction port of each smoke extracting pipeline. The equipment can be popularized in a whole moxibustion room and is convenience for each sickbed to use, free of mutual interference and good inoverall smoke removing effect.

The invention discloses an oil smoke concentration detection method and system, electronic equipment and a storage medium. The detection method comprises the following steps: acquiring a current scene frame image corresponding to a range hood scene; identifying a lampblack generation area in the current scene frame image; calculating high-frequency energy of the lampblack generation area in a frequency domain, wherein the high-frequency energy is used for representing edge information corresponding to the lampblack; and determining a target oil smoke concentration in the current scene frame image according to the high-frequency energy. According to the method and system, the high-frequency energy of the lampblack image in the frequency domain is counted to judge the lampblack concentration in the current scene frame image, and the image is converted to the frequency domain for amplitude statistics, so that interference of color differences in different user environments on lampblack concentration judgment is avoided, the accuracy and reliability of lampblack concentration detection are effectively improved, the intelligent level of range hood control is guaranteed, the operation burden of a user is relieved, and the use experience feeling of the user is improved.

The invention provides a smoke dust processing method and device. According to the smoke dust processing method, a power plant drives the tail end of a hose to swing so as to discharge smoke in the hose from the tail end of the hose. The smoke dust processing device comprises the power plant connected with the tail end of the hose, and the other end of the hose is connected with a smoke inlet. Preferably, the power plant is equipment with adjustable power. With adoption of the smoke dust processing method and device, smoke is stably discharged through swinging the tail end of the hose and the smoke discharging effect is excellent.

The single-hole multi-channel puncture outfit with the circulating smoke exhaust function for the pneumoperitoneum machine is characterized in that an air inlet inner pipe is arranged on the inner side of at least one instrument channel structure in a sleeving mode, one end of the air inlet inner pipe extends into a channel pipe assembly, and the other end of the air inlet inner pipe communicates with a channel opening of the instrument channel structure and is provided with an internal air inlet; an external air inlet and a smoke outlet are formed in the other end of the instrument channel structure; the inner side of the air inlet inner pipe forms an instrument circulating air inlet channel for an instrument to enter and exit the channel pipe assembly and carbon dioxide to enter the channel pipe assembly, and the radial size of the instrument circulating air inlet channel is gradually reduced in the carbon dioxide entering direction; a smoke exhaust channel for discharging carbon dioxide out of the channel pipe assembly is formed between the air inlet inner pipe and the instrument channel structure, and the ring width of the smoke exhaust channel is gradually decreased in the carbon dioxide discharging direction. Smoke in the channel pipe assembly can be scattered more effectively, clearer pictures are provided for the endoscope lens, the airflow speed is high, and the smoke driving and discharging effects are good.

The invention provides an oven. A box body of the oven is provided with a smoke removing module. The smoke removing module decomposes smoke generated in the oven through high-temperature heating, converts the smoke into substances such as carbon dioxide, water and nitric oxide which are harmless to the human body, and then discharges the substances into a heating space in the oven. Therefore, according to the oven, the emission of harmful gas is reduced. The oven is more environmentally friendly and beneficial to human health. Meanwhile, peculiar smells generated by smoke are eliminated. The smoke removing module comprises a fan and a thermal decomposition device which are arranged in a reaction cavity. When the fan is started, the airflow can be sucked into the reaction cavity. The smokeis discharged into the heating space after making contact with the thermal decomposition device. The reaction cavity and the heating space can form the airflow circulation. The flue gas can continuously enter the smoke removing module to be purified. Even the undecomposed part of the flue gas exists, the undecomposed flue gas can be purified through the next circulation. Therefore, the smoke removal effect is better.

The invention discloses a pressurizing dynamic physical interception oil fume purification and separation device. The device comprises a motor, a motor support, an oil receiving disc, a pressurizing intercepting assembly and a nut locking piece. The motor support is fixed to the top of the oil receiving disc, and the motor is fixed to the top of the motor support. The pressurizing intercepting assembly comprises a fixing base, an upper intercepting disc and a lower intercepting disc, and the upper intercepting disc and the lower intercepting disc are fixed to the upper end face and the lower end face of the fixing base through screw and nut assemblies respectively. A clamping rod is arranged on a rotating shaft of the motor. A threaded section is arranged at the front end of a rotating shaft of the motor. A clamping groove matched with the clamping rod is formed in the upper end face of a fixing base of the pressurizing type intercepting assembly. The fixing seat is sleeved on a rotating shaft of the motor, the clamping groove on the upper end face of the fixing seat is clamped into the clamping rod, and then the fixing seat is locked on the rotating shaft of the motor through thenut locking piece, so that the pressurizing type intercepting assembly is integrally fixed. The oil fume purification and separation device is good in oil fume removal effect and high in interceptionefficiency, and meanwhile the overall suction force can be enhanced.

An insulation method for a plasma range hood, which is to replace the original metal plate with an insulating plate for the shell on the side where the porcelain joint is installed, so as to avoid direct contact between the porcelain joint and the metal bright body, and at the same time use spray The method is to spray air or liquid on the surface of the high-voltage porcelain joint to clean the surface of the porcelain joint, remove the hidden danger of electric conduction, keep the porcelain joint in a high insulation state, and prevent the porcelain joint from accumulating dust and condensing oil film to conduct current. The setting of the baffle not only prevents the airflow from passing through the invalid space, but also reduces the pollution of the ceramic joints by the oil and impurities brought by the airflow, thus ensuring the good smoke removal effect of the plasma range hood.

The invention discloses desulfurization and smoke removal equipment for metal casting processing, which comprises a vertical pipe and an exhaust pipe communicated with the vertical pipe, an exhaust fan is arranged in the exhaust pipe, an iron cylinder is embedded in the vertical pipe, two capacitance plates are symmetrically embedded on the side wall of the vertical pipe, a power supply device for supplying power to the capacitance plates is arranged in the exhaust pipe, a material collecting cup is arranged at the lower end of the iron barrel, two scraping plates are connected to the inner wall of the iron barrel in a sliding mode, and a driving device for driving the scraping plates to move is arranged on the material collecting cup. By arranging the iron cylinder, the capacitance plate, the power supply device and the like, the power supply device can operate when the exhaust fan extracts smoke, so that the capacitance plate can supply power, electrostatic charges are gathered on the capacitance plate, meanwhile, the suspended iron cylinder generates induced electrification, dust and other impurities in the smoke can be adsorbed through electrostatic force, the harm of the smoke is reduced, and meanwhile, impurities are prevented from falling back to influence metal casting processing.

The invention belongs to the technical field of filter materials, and specifically relates to a filter material with the function of removing tobacco smell. The filter material with the function of removing tobacco smell comprises the following layers which are sequentially stacked: a nonwoven fabric layer, a meltblown fabric layer, an activated carbon cloth layer and a base material layer; the activated carbon cloth layer contains an activated carbon composition; and the activated carbon composition comprises 20-40% of acidic-gas-removed coconut shell charcoal, 15-25% of alkaline-gas-removedcoconut shell charcoal and 40-60% of activated carbon of which the CTC content is higher than 70%. Compared with the prior art, by adding the activated carbon compositions, the filter material with the function of removing tobacco smell is capable of achieving the best tobacco-smell-removing effect in the shortest period of time in the same area of application.

The invention belongs to the technical field of medical equipment, and particularly relates to a smoke removal moxibustion box. The smoke removal moxibustion box comprises an upper box body, a lower box body, an ash separating net and fixing nails used for fixing a moxa stick; a through hole is formed in the top of the upper box body, and the bottom of the upper box body is open; the top of the lower box body is open; the upper box body is buckled to the lower box body; a smoke exhaust pipe is inserted into the through hole in the top of the upper box body, and a micro exhaust fan is arrangedin the smoke exhaust pipe; a battery bin and a micro exhaust fan switch are arranged on the upper box body, a battery is arranged in the battery bin, and the battery is connected with the micro exhaust fan through a circuit; the micro exhaust fan switch is connected with a circuit between the micro exhaust fan and the battery, and a filtering device is sleeved with the upper box body; the ash separation net is arranged at the bottom of the lower box body; the fixing nails are installed on the inner wall of the upper box body, and vent holes run through the side wall of the lower box body. Thesmoke removal moxibustion box is reasonable in design, simple in structure, convenient to operate, safe to use and convenient to install.

The invention discloses a quick-dismounting quick-changing type small SLM printer. The printer comprises a processing chamber and a forming device, wherein the forming device is arranged in the processing chamber and comprises forming cylinders used for containing metal powder and a support A used for installing the forming cylinders, the SLM printer comprises the at least two forming cylinders which can be mutually switched and installed on the support A, the forming cylinders are portable, the support A is fixed, and the portable cylinders can be connected to the fixed support in a quick dismounting and mounting mode. The quick-dismounting quick-changing type small SLM printer comprises the at least two forming cylinders, wherein one of the forming cylinders can be quickly disassembled and replaced into the other one of the forming cylinders after the one of the forming cylinders completes printing, so that the problems that existing equipment is long in standby time, difficult in powder cleaning and the like are solved, the working efficiency of the printer is improved, the standby time of the printer is shortened, and powder is convenient to clean.

The invention relates to a fire-fighting facility, in particular to a fire-fighting and smoke removing method and device. The fire-fighting and smoke removing device comprises a directional air blowing device, an anion generator and an air guide device which are sequentially connected with one another. The fire-fighting and smoke removing device can be a portable device and can also be of an air guide structure for supporting, moving and guiding air at the same time; meanwhile, the tail end of the air guide structure is provided with an air suction fan capable of sucking air from top to bottom; and the lower part of the air suction fan is provided with a smoke particle collector. By adopting the fire-fighting and smoke removing device, the effect of fire-fighting and smoke removal is remarkably improved; by means of a wearing type, a throwing type and a robot automatic walking manner, the convenience, the rapidness and the effectiveness of fire-fighting and smoke removal are improved;and the life safety of firefighters is guaranteed, and the fire-fighting ability of the firefighters is improved.

The invention relates to a boiler discharged smoke waste heat recycling system with a flue for removing smoke. The boiler discharged smoke waste heat recycling system with the flue for removing smoke comprises a water pump and a controller, wherein a first pipeline is mounted at a water outlet of the water pump and is connected to an inlet of an energy economizer; an outlet of the energy economizer communicates with a water inlet of a boiler through a third pipeline; a second pipeline is further arranged on the first pipeline in a branched manner and directly communicates with the third pipeline; an opening and closing valve is mounted on the second pipeline; a first thermometer and a first pressure gauge are mounted on the first pipeline; a second thermometer and a second pressure gauge are mounted on the third pipeline; an input end of the controller is connected with the first thermometer; an output end of the controller is connected with the energy economizer; the controller controls power of the energy economizer according to temperature signals detected by the first thermometer; the energy economizer comprises a smoke channel mounted on a support and a serpentine pipe in the smoke channel; and smoke removing plates are mounted between two adjacent vertical sections of the serpentine pipe.

The invention relates to a booster-type discharge flue waste heat recycling device which comprises a boiler and a waste heat exchanger, and the boiler and the waste heat exchanger are installed on the ground. A smoke outlet of the boiler is connected with the waste heat exchanger through a first smoke pipe. A second smoke pipe is connected to the position of an outlet of the waste heat exchanger. The second smoke pipe is provided with an energy saver which is connected with a water supply pump through a water inlet. A steam outlet is further formed in the top of the waste heat exchanger. The first smoke pipe is further connected with a first booster pump through a branch pipe. The second smoke pipe is further connected with a second booster pump through a branched pipe. The waste heat exchanger comprises a smoke flue and an S-shaped pipe fixedly installed in the smoke flue. Smoke discharge sheets are installed between every two adjacent vertical sections of the S-shaped pipe, and the multiple smoke discharge sheets are arranged at intervals in an up-and-down mode. Each smoke discharge sheet comprises two smoke discharge loops which are arranged on the corresponding vertical section in a sleeving mode. Each smoke discharge loop is provided with filter holes.

The invention discloses a blasting fume removing device which comprises a frame body, a spraying cylinder, a water tank, a water inlet mechanism and an air inlet mechanism. The spraying cylinder is arranged on the top of the frame body. An annular spraying pipe is arranged at the front end of the spraying cylinder. Multiple nozzles are evenly distributed on the annular spraying pipe. A fan is arranged in the spraying cylinder. The water tank is arranged in the frame body. A chemical inlet, a water inlet connector and a high-pressure air connector are formed in the frame body. A pump room is arranged on one side of the water tank. A water pump is arranged in the pump room. The water pump is provided with a water inlet pipe and a water outlet pipe. The water inlet pipe is led to the water tank. The water outlet pipe communicates with the annular spraying pipe. The water inlet mechanism comprises a water inlet pipe. The water outlet end of the water inlet pipe is connected with the water inlet connector. The air inlet mechanism comprises an air inlet pipe. The air inlet pipe is led to the bottom of the water tank. Air outlet holes are evenly distributed in the air outlet end of the air inlet pipe. Chemical liquid atomized through the blasting fume removing device makes sufficient contact with harmful gas and particles in blasting fume for a reaction, the concentration of toxic and harmful gas in a blasting field is greatly reduced, more than 90% of dust is removed, and the occurrences of underground occupational diseases are effectively prevented and reduced.

A spray dust-removing and fume-cleaning device comprises a machine base, wherein a fume-cleaning box body is arranged on the base; the fume-cleaning box body is separated by two baffles, and is sequentially divided into a humidifying area, a central space area and a fume-washing area; the bottom of the fume-cleaning box body is provided with a settling hopper, the bottom of the settling hopper isprovided with a drainage pipe, and the drainage pipe is provided with a drainage water quantity regulating valve; a water spraying pipe is respectively arranged in the humidifying area and the fume-washing area, and the water spraying pipe is communicated with s water inlet pipe through a pipeline; the upper part of the fume-cleaning box body is respectively provided with a fume inlet and a smokeoutlet, the fume inlet is communicated with the humidifying area, the smoke outlet is communicated with the smoke washing area, the area communicated with the fume-washing area is a dust filtering area, and a baffle plate is arranged between the central space area and the dust filtering area. The device has the advantages of simple structure, low manufacturing cost and good fume-cleaning effect, can meet the development needs of enterprises and is beneficial to providing a better environment for human beings.