45results about How to "Meet the needs of dust removal" patented technology

The invention discloses a dust removal device of a tunnel dust removal vehicle. The tunnel dust removal vehicle comprises a closed carriage. The closed carriage is divided into a power distribution chamber and a dust removal chamber. The power distribution chamber is provided with a closed door and a radiating opening, and a power distribution device is arranged inside the power distribution chamber. The dust removal chamber is provided with a closed door, an air inlet and an air outlet, and the dust removal device is arranged inside the dust removal chamber and comprises an air duct, a filter net, a draught fan for dust collection and a dust storage bag, wherein the air duct is connected between the air inlet and the air outlet, the filter net is arranged at the end, close to the air inlet, inside the air duct, the draught fan for dust collection is arranged at the end, close to the air outlet, inside the air duct, and the dust storage bag is arranged below the filter net. The draught fan for dust collection is connected to a power distribution cabinet in the power distribution chamber to obtain power. By means of the tunnel dust removal vehicle and ancillary facilities of the tunnel dust removal vehicle, the dust removal requirements of the tunnel construction environment can be well met.

The invention discloses a movable mineral porous medium stage purification dust removing device. The movable mineral porous medium stage purification dust removing device comprises a movable mechanism, a lifting mechanism and a changeable porous medium stage purification main body; the lifting mechanism is arranged on the movable mechanism; the changeable porous medium stage purification main bodyis arranged on the lifting mechanism; the movable mechanism comprises a vehicle body; rubber wheels are arranged on the rear side of the bottom of the vehicle body; a telescopic support rod is arranged on the front side of the bottom of the vehicle body; the changeable porous medium stage purification main body comprises a casing; an air inlet is formed in the rear end of the casing; an air outlet is formed in the front end of the casing; a gas sensor is arranged at the air inlet; an air deflector, a dust retaining net, a replaceable prefiltering layer, a replaceable stage filtering layer anda fan are arranged in the casing from rear to front. The invention also provides a movable mineral porous medium stage purification dust removing method using the device. According to the movable mineral porous medium stage purification dust removing device and the movable mineral porous medium stage purification dust removing method disclosed by the invention, by adopting a dry type dust removing mode, the problem of forming a mud blockage filtering layer by wet dust removal is solved, and the demands of purification and dust removal of local air in an underground coal mine can be met.

The invention discloses friction electric-heating electric self-driven dust collection detection equipment and a dust collection detection method of the friction electric-heating electric self-drivendust collection detection equipment. The equipment comprises dust collection equipment and a thermoelectric transformer; the dust collection equipment comprises a dust collection chamber body in whichmedium particles are stored; the two opposite ends of the dust collection chamber body are each provided with an air charging pipeline and an exhausting pipeline, wherein each air charging pipeline is used for introducing intake air flow containing waste particles into the dust collection chamber body; each exhausting pipeline is used for exhausting the exhaust air flow from the dust collection chamber body; the two ends of the dust collection chamber body are correspondingly provided with an intake air detector and an exhaust air detector which are correspondingly used for detecting intake air flow and exhaust air flow component parameters; an electromagnetic coil is arranged at the outer surface of the dust collection chamber body in a surrounding manner; the dust collection chamber body is also internally provided with a cylindrical electrode which is used for adsorbing ionized and deflected waste particles; the thermoelectric transformer is arranged at the outer surface of the dust collection chamber body in a surrounding manner; the thermoelectric transformer comprises an annular heat radiator and a thermoelectric element, wherein the thermoelectric element is positioned between the dust collection chamber body and the annular heat radiator and is used for transforming temperature difference of the dust collection chamber and the annular heat radiator into electric energyand providing power for the electromagnetic coil, the intake air detector and the exhaust air detector.

The invention belongs to the field of safety early warning of driving operation, and provides an infrared imaging human body identification safety early warning technology of driving operation, for the purposes of performing safety early warning in advance on pedestrians close to an driving machinery guard area, eliminating the possibility that personnel approaches a dangerous area and putting an end to personnel casualty accidents caused by driving operation. The technical scheme employed by the invention is as follows: the infrared imaging human body identification safety early warning apparatus of the driving operation comprises an infrared thermal imaging core used for performing thermal imaging on the pedestrians approaching the driving machinery guard area; an infrared image processing subsystem used for processing infrared sequence images acquired by the infrared thermal imaging core in real time and detecting and identifying the approaching pedestrians; and a single-chip microcomputer control module used for receiving a downlink instruction from the infrared image processing subsystem, and according to the downlink instruction, controlling an acousto-optic alarm apparatus to send emergency shutdown signals to driving machinery. The infrared imaging human body identification safety early warning apparatus of the driving operation is mainly applied to a large-scale machinery equipment safety monitoring occasion.

The invention discloses an efficient and environment-friendly processing device of the new energy field for biomass particles. The efficient and environment-friendly processing device of the new energy field for the biomass particles comprises a bottom plate, a concentrating device located above the bottom plate, a first frame device located above the concentrating device, a concentrating frame device arranged on the first frame device, a second frame device located below the first frame device, an electric cylinder device contained in the second frame device and a motor device arranged on the second frame device. According to the efficient and environment-friendly processing device of the new energy field for the biomass particles, dust on the biomass particles can be effectively cleaned up, the dedusting efficiency is high, the dedusting effect is remarkable, and the requirements for dedusting of the biomass particles can be effectively met.

The invention relates to the field of dust removal control, in particular to a dust removal fan linkage control system and a reforming method of a dust removal system, aiming to solve problems of waste of energy and high production cost in use of conventional dust removal systems. The dust removal fan linkage control system comprises a wind pressure transmitter, a dust removal equipment running state signal collector, a speed regulator, an electric valve actuator and an energy-saving regulator. The wind pressure transmitter acquires real wind pressure value P of the inside of a dust-collectingmain pipeline in real time and transmits the value to the energy-saving regulator; the dust removal equipment running state signal collector collects running state signals of the dust removal equipment and send them to the energy-saving regulator; the speed regulator is connected with the energy-saving regulator and the dust removal fan to regulate revolution speed of the dust removal fan; the electric valve actuator is connected with the energy-saving regulator and a pipeline valve to control on and off of the pipeline valve; the energy-saving regulator regulates revolution speed of the dustremoval fan and controls on and off of the pipeline valve through the electric valve actuator to keep the real wind pressure value P within a wind pressure range Q as needed for dust collection. Thedust removal fan linkage control system can save energy with production cost reduced.

The invention discloses a device capable of automatically converting between a wire barrel type polar plate and a barb barrel type polar plate, and belongs to the electrostatic dust collection field. In order to solve the technical problems, the device consists of a particle sensor, a sampling flue, an upper magnetic sensitive sensor, a magnet, a left side wall of a barrel-shaped dust collecting polar plate, a left side fixed rod, a flue left side wall, a flue inlet, barbs, a flue right side wall, a barb discharge electrode, a linear discharge electrode, a right side wall of the barrel-shaped dust collecting polar plate, a right side fixed rod, a traction rope, a flue outlet, a discharge electrode slide ring, a vertical supporting rod, a front half transverse supporting rod, a flue inner slide wheel, a flue inner slide wheel supporting rod, a channel tube, a rope coiling box slide wheel, a motor retraction and extraction box, a rope coiling box bottom plate, a rope coiling box, a rear half transverse supporting rod, a lower magnetic sensitive sensor, a single chip microcomputer, a step retraction and extraction motor, a resistor, a step motor drive module and a rope coiling box slide wheel supporting rod. The device is characterized in that the particle sensor is connected with the flue left side wall through the sampling flue, wherein the upper magnetic sensitive sensor is connected with the flue left side wall. The device is mainly used for the electrostatic dust collection field.

The invention discloses an inverter circuit of a fan driving module of a tunnel dedusting car. The tunnel dedusting car comprises a sealed type compartment separated into a power distribution chamber and a dedusting chamber, a sealing door and a heat dissipation opening are formed in the power distribution chamber, a power distribution device is configured in the power distribution chamber, and the power distribution device comprises an electric generator, a power distribution cabinet and a fan for heat dissipation. The power distribution cabinet is connected with the electric generator for power extraction, the fan for heat dissipation is connected with the power distribution cabinet through the driving module, and the driving module comprises a rectification circuit, a filter circuit and the inverter circuit. The inverter circuit comprises a power tube driving chip which is connected to the power output end of a microprocessor, and therefore corresponding power tubes can be driven to be alternatively switched on and switched off according to pulse width modulation signals output by a microprocessor of the microprocessor circuit . The tunnel dedusting car and accessory facilities of the car can meet the dedusting requirements of the tunnel construction environment well.

The invention discloses an installation structure of a power distribution cabinet of a tunnel dust removing vehicle. A box body of the power distribution cabinet is divided into a wire inlet switch chamber, a watt hour meter chamber and a wire outlet chamber, the wire inlet switch chamber, the watt hour meter chamber and the wire outlet chamber are independent, the wire inlet switch chamber is arranged in the space on the upper portion of the power distribution cabinet, a top plate of the wire inlet switch chamber is provided with a plurality of top plate wire inlet and outlet holes, a wire inlet breaker is arranged in the wire inlet switch chamber, the watt hour meter chamber is arranged in the space in the middle of the power distribution cabinet, a plurality of watt hour meters are arranged in the watt hour meter chamber, the wire outlet chamber is arranged in the space on the lower portion of the power distribution cabinet, and a bottom plate of the wire outlet chamber is provided with a plurality of bottom plate wire inlet and outlet holes, lifting lug type lifting structures are arranged on the four corners of the rear wall of the box body of the installation structure of the power distribution cabinet, each lifting structure comprises an L-shaped plate, a first side plate and a second side plate of each L-shaped plate are respectively provided with a first lifting hole and a plurality of installation holes, and the L-shaped plates are installed on the power distribution cabinet through fasteners. The tunnel dust removing vehicle and the installation structure of the power distribution cabinet of the tunnel dust removing vehicle can better meet the dust removing requirement in the tunnel construction environment.

The invention relates to a traditional Chinese medicine dust removal device which comprises a base plate, a frame device, an electric cylinder device, an air blowing device, a plugging device, a concentrating device and an air extractor. The base plate is provided with a first fixing block and a first roller; the frame device comprises a frame, a first holding ring, a limiting rod, a first filtering net, a concentrating hopper, a second filtering net and a first spring; the electric cylinder device comprises an electric cylinder, a first support, a first connecting rod, a pushing rod, a pushing block and a first supporting rod; the air blowing device comprises a first pipe, a first draught fan, a first fixing rod, a third filtering net, a second fixing rod, a second supporting rod, a third fixing rod, a third supporting rod and a first bending rod; the plugging device comprises a plugging plate and a second holding ring; the concentrating device comprises a concentrating frame, a second spring, a movement block, a positioning block and a positioning ring; and the air extractor comprises a second pipe, a second draught fan, a fourth supporting rod and a second support. By means of the traditional Chinese medicine dust removal device, traditional Chinese medicines can be rapidly and effectively subject to dust removal, and the dust removal efficiency is higher and rapid.

The invention discloses a liquid seal adsorption dust removal device and a use method thereof. The liquid seal adsorption dust removal device comprises an adsorption tower, and the adsorption tower is provided with a clean gas outlet, a spraying layer, a filler layer, a liquid seal adsorption layer and a dirty liquid outlet from top to bottom; the liquid seal adsorption layer comprises a foul gas conveying pipe, an adsorption exchange box and a liquid seal upper cap; the adsorption exchange box is mounted in the adsorption tower, and the side wall of the adsorption exchange box and the inner wall of the adsorption tower are arranged at intervals; a filtered gas outlet is formed in the upper surface of the adsorption exchange box; a gas inlet of the foul gas conveying pipe is formed outside the adsorption tower, and a gas outlet of the foul gas conveying pipe penetrates through the side wall of the adsorption tower and a wall plate of the adsorption exchange box and then extends into the adsorption exchange box; the liquid seal upper cap is mounted on a gas outlet of the foul gas conveying pipe; and adsorption liquid used for absorbing dust in foul gas is arranged in the adsorption exchange box, and the liquid level of the adsorption liquid is located above the gas outlet of the liquid seal upper cap. The problem that in the prior art, a spraying adsorption mode is adopted for gas dust removal, and the purity of purified gas is low is solved.

The invention discloses a drive module of a draught fan of a tunnel dust removal vehicle. The tunnel dust removal vehicle comprises a closed compartment divided into a distribution room and a dust removal room. The cooling draught fan in the distribution room is connected to a distribution cabinet through the drive module. The drive module comprises a rectifying circuit, a filter circuit, an inverter circuit, a power factor correcting circuit, a microprocessor circuit and a man-machine interface circuit. The rectifying circuit is used for converting alternating current to direct current. The filter circuit is used for achieving smooth filtering of direct current and energy storage. The inverter circuit is used for converting direct current to alternating current so as to achieve frequency adjustment and voltage adjustment. The power factor correcting circuit is arranged between the rectifying circuit and the filter circuit. The power factor correcting end of the microprocessor circuit is connected with the power factor correcting circuit. The drive signal end of the microprocessor circuit is connected with the inverter circuit. The man-machine interface circuit is connected to the input end of the microprocessor circuit. By means of the tunnel dust removal vehicle and subsidiary facilities of the tunnel dust removal vehicle, the dust removal requirement of the tunnel construction environment can be well met.

The invention provides a de-dusting demisting device which comprises a vertically arranged drum, wherein the drum is provided with an inner cavity; an inlet and an outlet are formed on the drum; smoke enters the inner cavity through the inlet; gas purified in the inner cavity can be outputted from the outlet; the inlet is formed on a side wall of the drum and is located under the outlet; a blow-off pipe which is used for communicating the inner cavity with the outside settling pond is arranged under the inlet. The de-dusting demisting device further comprises a pre-misting spray gun and a purifying mechanism, wherein the pre-misting spray gun is arranged at the inlet; the purifying mechanism is arranged in the drum; the purifying mechanism comprises a first level compound baffle dewatering de-dusting component, a first level spraying component, a rotating accelerating dewatering de-dusting component, a second level spraying component, a second level compound baffle dewatering de-dusting component and a baffle plate dewatering demisting component which are fixedly arranged between the inlet and the outlet in turn from bottom to top. The de-dusting demisting device can efficiently remove dust and finely dewater, the gas flow line is short and the pressure loss is low.

The invention discloses novel edible dry mushroom processing equipment which comprises a shell device, an air extraction device, a first baffle device, a second baffle device, a cover plate device, a first filter device and a second filter device. The air extraction device is located below the shell device, the first baffle device and the second baffle device are arranged on the shell device, the cover plate device is located above the shell device, the first filter device is contained in the shell device, and the second filter device is located above the first filter device. According to the novel edible dry mushroom processing equipment, dust on edible dry mushrooms can be sufficiently removed, the dust removal efficiency is high, the dust removal effect is ideal, the edible dry mushrooms are continuously shaken up and down to remove dust on the edible dry mushrooms, the dust shaken down is blown away, then dust is effectively removed, and existing requirements for dust removal of the edible dry mushrooms can be met.

The invention discloses a dedusting and purifying device for an underground tunneling working area, and belongs to the technical field of gold mine dedusting. The dedusting and purifying device comprises a bottom plate. A liquid storage tank body, an infusion pump and a support frame body are sequentially arranged on the bottom plate. A case cover body is arranged at the upper end of the support frame body. A movable case body is arranged in the case cover body. A driving assembly and guide assemblies are arranged at the upper end and the lower end of the movable case body respectively. Air filter screens are arranged in the movable case body. One end of the movable case body is connected with an air guide funnel, and the air guide funnel is communicated with an exhaust tube at the input end of a negative-pressure fan which is installed on the inner wall of the top of the case cover body. An exhaust pipe at the output end part of the negative-pressure fan is connected with a machine shell in a secondary dedusting assembly. The dedusting and purifying device for the underground tunneling working area can remove dust from heavy metal dust particles of the whole gold mine, is convenient to maintain, large in dedusting capacity, high in dedusting efficiency, suitable for complex working environments of the gold mine, low in failure rate and easy to maintain, and meets the dedustingrequirement of the gold mine in the actual mining production process.

The invention discloses a high-efficiency dust removal system in a pneumatic delivery pipe. The high-efficiency dust removal system in the pneumatic delivery pipe comprises a pneumatic material delivery pipeline; a dust measuring device and a spraying device which are connected with a control device and are connected in sequence in a flowing direction of a material are also mounted on the pneumatic material delivery pipeline; the control device regulates and controls the spraying device to achieve a spraying effect which is suitable for a dust amount according to the change of the dust amountin the pneumatic material delivery pipeline. According to the high-efficiency dust removal system in the pneumatic delivery pipe, a reasonable spraying effect can be achieved according to the dust amount in the pipe, so that the requirement on local or overall dust removal of the pipeline is met, and the problems that material deterioration or pipeline blockage caused by excessive spraying, and local heat accumulation, dust explosion and the like caused by insufficient spraying can also be prevented.

The invention discloses a construction dust removal device for house building and a use method of the construction dust removal device. The construction dust removal device comprises a water tank mounted on a vehicle body, a transition box is rotationally arranged above the water tank, and the transition box communicates with the water tank through a communicating pipe; a spraying pipe capable of ascending and descending in the vertical direction is assembled on the top of the transition box and arranged in the length direction of the transition box, a plurality of spraying heads are arranged on the pipe wall of the spraying pipe at equal intervals, and the spraying pipe communicates with a cavity in the transition box through a connecting hose. The connecting hose is automatically retracted and released in the transition box along with the lifting of the spraying pipe; the spraying pipe rotates along the central axis of the transition box relative to the transition box so as to adjust the spraying angle of the spraying head. According to the dust removal device, the dust removal requirement of a building construction site can be met to the maximum extent, the whole device is flexible in action, and workers can rapidly remove dust conveniently.