40results about How to "Meet dust removal requirements" patented technology

The invention relates to an electrostatic spraying and dust-removing system. One end of a shell is an inlet of a dust-removing system while the other end of the shell is an outlet of the dust-removing system; an air flow distributor, an electrostatic spraying device, a filtering dust-collecting and washing device and a water separator are arranged in the shell orderly from the inlet to the outlet; at least one atomizing nozzle is connected to a water supply pipe in the electrostatic spraying device, a high pressure static ring is arranged in front of each atomizing nozzle; the high pressure static ring is connected with a high pressure static generator at the outer part of the system through a lead; a filler is arranged in the filtering dust-collecting and washing device, and the upper part of the filler is provided with a water pouring distributor; the water pouring distributor is connected with a system external water supply pipe through a water pipe; and the bottom part of the filler is provided with a water collecting disk, and the water collecting disk is provided with a water draining pipe. The system can satisfy the dust removing requirement of grains in different sizes in air, and has a relatively good effect to filter the powder dust with the grain diameter being more than 0.1 micro meters.

The invention relates to a fluidized bed drying process for ammonium sulfate. The process flow includes that wet ammonium sulfate materials from the upstream are firstly mixed with dried return ammonium sulfate, are pre-dried, then flow into a fluidized bed, are dried and cooled in the fluidized bed, discharged from a discharging port and conveyed to a finished ammonium sulfate bin. Parts of materials dried in the fluidized bed return to a mixing pre-drier, drying air enters a fluidized bed drying chamber after demisting, dust removal, fan pressurization and indirect steam heating, and cooling air enters a fluidized bed cooling chamber after demisting, dust removal, fan pressurization and cooling and demisting through freeze water. Hot air and cold air entering the fluidized bed are converged and exhausted at the top of the fluidized bed, extracted by an induced draft fan after dust removal and demisting through a wet spray washer and a washing tower, and evacuated after further demisted by an outlet demister. A circulating water pump provides washing water and delivers washing liquid. The fluidized bed drying process has the advantages of reasonable setting of the flow, fine operability, controllable material cooling effect, small occupied space of equipment, less project investment and the like.

The invention relates to a gravity dust removal apparatus and an asphalt stirring device. The gravity dust removal apparatus includes an air inlet bin (1), a gravity dust removal bin (2) and an air outlet bin (3). The air inlet bin is used for feeding dust-containing flue gas. The gravity dust removal bin is located at the downstream of the air inlet bin and is used for removing at least a part of dust in the dust-containing flue gas through gravity, wherein the purified flue gas is discharged through the air outlet bin. Flow-guide blades (51) are located in the gravity dust removal bin and are used for performing dust removal and guidance to the flue gas passing through the gravity dust removal bin, flow-guide angle of the flow-guide blades being adjustable. By arranging the flow-guide blades with adjustable flow-guide angle, limitation of a gravity dust removal apparatus in the prior art is overcome; in the gravity dust removal apparatus, the flow-guide angle of the flow-guide blades can be adjusted at any time according to actual operation status of the asphalt stirring device, so that self-adaption of the flow-guide angle is achieved. The gravity dust removal apparatus guarantees dust removal efficiency and satisfies dust removal demand.

The invention discloses a built-in water-cooling and dust-removing device for a fuel tank of a road-header, wherein a snakelike copper tube cooler is internally installed in the fuel tank to cool hydraulic oil; a water inlet of the snakelike copper tube cooler is connected with a water pressure safety valve through a high-pressure hinge joint and a rubber tube to adjust the water inlet pressure; a water outlet of the snakelike copper tube cooler is connected with a first connector of a ball valve through another high-pressure hinge joint and another rubber tube; a second connector of the ball valve is connected with a water spray bracket through another rubber tube; and water orifice of the water spray bracket sprays water to the tail part of a scraper conveyor. According to the built-in water-cooling and dust-removing device for the fuel tank of the road-header, the snakelike copper tube cooler is internally installed in the fuel tank, so that the hydraulic oil is directly and efficiently cooled, defects of the cooling method of a traditional external plate-fin type cooler are effectively overcame, and the cooling is rapid; and the used cooling water is used for removing dust when the road-header is in the cutting process, and the cooling water is fed into a roof bolter when the road-header is free from the cutting process, so that the hydraulic oil can be continuously cooled during two time periods of cutting work and cutting-free work, and the cooling water is also recycled effectively.

The invention provides a numerical control woodworking inner arc surface milling machine. The milling machine comprises a cutting device, a feeding device, a positioning device, a dust removal device,a rotary workbench, a lathe bed and an automatic control system, wherein the rotary workbench is horizontally arranged above the lathe bed, the lower portion of the cutting device is arranged on thelower side of the lathe bed, the upper portion penetrates through the rotary workbench, the feeding device is arranged below the lathe bed and used for driving the cutting device and the rotary workbench, the positioning device is arranged on the rotary workbench, the dust removal device is arranged above the cutting device and below a to-be-cut workpiece, and the automatic control system is electrically connected with the feeding device. The milling machine is suitable for machining the inner arc-shaped surfaces of connecting elbows with different radiuses for wood structure buildings produced in batches, equipment is easy to operate, continuous production can be achieved, clamping and dismounting of products are convenient and rapid, other products can be mounted and dismounted while equipment cutting machining is conducted, the production efficiency is greatly improved, and the equipment is low in manufacturing cost, small in occupied area, reliable in operation and high in productmachining precision.

The present invention relates to a modular single dust collector and an assembly method thereof. The modular single dust collector comprises a plurality of unit dust removal devices and a plurality of porous plates, wherein the side plates on the periphery of the unit dust removal devices are respectively provided with a screw hole and are connected with the peripheral unit dust removal devices through bolts in the screw holes, the top portions of the unit dust removal devices are provided with a plurality of gas bags communicated with a gas supply system, each gas bag is connected with a blowing pipe, the gas blowing nozzles on the blowing pipes are opposite to each filtration cylinder, the porous plate is arranged between the blowing pipe and the filtration cylinder, the porous plates are provided with through holes opposite to the filtration cylinders, and the porous plates and the unit dust removal devices are assembled according to the dust removal scale and the like. According to the modular single dust collector of the present invention, with the unit dust removal device and the porous plate, the ash clearing and gas supply of all filtration cylinders in the X direction and the Y direction is respectively achieved, and the ash clearing and dust removal requirements of various dust removal scales and dust collectors with various sizes are achieved; and the modular single dust collector has characteristics of simple structure, substantial cost reducing, easy assembly combination, and effective work efficiency improving.

The invention discloses a negative-pressure weighing device. The negative-pressure weighing device comprises a weighing box body; a weighing chamber is defined at the front part of the interior of theweighing box body; the bottom of the weighing chamber is provided with a weighing device; the rear part of the weighing chamber is provided with a back plate which plays a role of separation; the topof the weighing chamber is provided with a static pressure box; a filtering chamber is formed behind the back plate; the bottom of the back plate is provided with a filtering screen; the bottom of the filtering chamber is provided with a primary effect filter; the primary effect filter is corresponding to the filtering screen; the rear of the primary effect filter is provided with an intermediateeffect filter; the top surface of the intermediate effect filter is provided with a circulation fan; the circulation fan is connected with the static pressure box through an air pipe; the front sidesurface of the static pressure box is provided with a side air exhausting high-efficiency filter; the side air exhausting high-efficiency filter is provided with a regulating valve; and the bottom surface of the static pressure box is provided with a unidirectional flow high-efficiency filter. With the negative-pressure weighing device of the invention adopted, a dust removal requirement can be satisfied; dust overflow and rise can be controlled; the risk of dust cross-contamination can be avoided; the dust can be prevented from being inhaled by a human body and hurting the human body; the safety of an external environment and people in an indoor environment can be protected.

The present invention relates to a modular single dust collector and an assembly method thereof. The modular single dust collector comprises a plurality of unit dust removal devices and a plurality of porous plates, wherein the side plates on the periphery of the unit dust removal devices are respectively provided with a screw hole and are connected with the peripheral unit dust removal devices through bolts in the screw holes, the top portions of the unit dust removal devices are provided with a plurality of gas bags communicated with a gas supply system, each gas bag is connected with a blowing pipe, the gas blowing nozzles on the blowing pipes are opposite to each filtration cylinder, the porous plate is arranged between the blowing pipe and the filtration cylinder, the porous plates are provided with through holes opposite to the filtration cylinders, and the porous plates and the unit dust removal devices are assembled according to the dust removal scale and the like. According to the modular single dust collector of the present invention, with the unit dust removal device and the porous plate, the ash clearing and gas supply of all filtration cylinders in the X direction and the Y direction is respectively achieved, and the ash clearing and dust removal requirements of various dust removal scales and dust collectors with various sizes are achieved; and the modular single dust collector has characteristics of simple structure, substantial cost reducing, easy assembly combination, and effective work efficiency improving.

The invention relates to an energy-saving technology, and discloses a control method, a control device and a control system for a dust removal fan. The method comprises the following steps of: acquiring a current material amount; and judging whether the current material amount is more / less than a preset material amount or not, starting gradually increasing / decreasing frequency from the preset motor frequency of the dust removal fan, and simultaneously acquiring the dust particle density of a dust raising point until an absolute value of a difference between the dust particle density of the dust raising point and preset dust particle density is less than or equal to a permissible error. A required basic air volume is judged on the basis of the current material amount, and an adjustment end point of the motor frequency is determined by regulating the motor frequency of the dust removal fan and simultaneously detecting the dust particle density of the dust raising point, so that the motor frequency of the dust removal fan can be regulated to an optimal numerical value capable of meeting dust removal requirements and avoiding the waste of the air volume, and electric energy consumed by the dust removal fan can be effectively saved.

The invention discloses a built-in water-cooling and dust-removing device for a fuel tank of a road-header, wherein a snakelike copper tube cooler is internally installed in the fuel tank to cool hydraulic oil; a water inlet of the snakelike copper tube cooler is connected with a water pressure safety valve through a high-pressure hinge joint and a rubber tube to adjust the water inlet pressure; a water outlet of the snakelike copper tube cooler is connected with a first connector of a ball valve through another high-pressure hinge joint and another rubber tube; a second connector of the ball valve is connected with a water spray bracket through another rubber tube; and water orifice of the water spray bracket sprays water to the tail part of a scraper conveyor. According to the built-in water-cooling and dust-removing device for the fuel tank of the road-header, the snakelike copper tube cooler is internally installed in the fuel tank, so that the hydraulic oil is directly and efficiently cooled, defects of the cooling method of a traditional external plate-fin type cooler are effectively overcame, and the cooling is rapid; and the used cooling water is used for removing dust when the road-header is in the cutting process, and the cooling water is fed into a roof bolter when the road-header is free from the cutting process, so that the hydraulic oil can be continuously cooled during two time periods of cutting work and cutting-free work, and the cooling water is also recycled effectively.

The invention provides a wet dust collector, and belongs to the technical field of operation. The wet dust collector solves the problem that the moisture content of airflow in an existing wet dust collector is insufficient. The wet dust collector comprises a shell with an inner cavity, the inner cavity of the shell is provided with a water containing area, a dust inlet area and an air outlet area, the water containing area is located at the bottom of the inner cavity of the shell, the dust inlet area and the air outlet area are located above the water containing area, the dust inlet area and the air outlet area are separated through a partition plate, and the partition plate is fixedly connected with the shell; when the washing liquid is contained in the water containing area, an air passing gap is reserved between the bottom edge of the partition plate and the liquid level of the washing liquid; a medium separation structure is arranged in the air outlet area, and washing liquid separated by the medium separation structure can flow downwards along the side face of the partition plate and flow to the air passing gap. Under the action of the high-speed air flow, the flowing washing liquid is crushed into water drops and water mist, so that the content of the water drops and the water mist in the air flow is increased, and the water drops and the water mist can be fully mixed with dust.

The invention aims to provide a powder warehouse reducing cost and concrete preparation equipment. The powder warehouse comprises a plurality of powder rooms, a dust collecting device and a dedusting device, wherein the dust collecting device is communicated with the powder rooms through a plurality of dust collecting pipelines respectively in a one-way mode, and the dedusting device is connected with the dust collecting device through a dedusting pipeline. A large amount of high-pressure gas, generated when feeding is carried out through all the powder rooms, with dust is collected into the dust collecting device through the dust collecting pipelines and is conveyed into the dedusting device through the dedusting pipeline to be dedusted and filtered. Because the dust collecting pipelines are communicated with the powder rooms in a one-way mode respectively, powder mixing caused by parallel connection of the dust collecting pipelines of the powder rooms storing different kinds of powder is avoided, and accordingly requirements for carrying out dedusting among the powder rooms can be met through only one dedusting device; in addition, the number of the dedusting pipeline stretching out of the tops of the powder rooms to a working surface is only one, and therefore cost is effectively reduced.

The invention discloses a dust removal device for electrical automation equipment. A second motor drives a rotating rod to rotate, and drives a supporting disk to move along the length direction of the screw rod, so that the conduit can move in the vertical direction so as to control the different electrical automation equipment. Dust blowing treatment is carried out in the area, which improves the efficiency of dust removal. At the same time, when the third cylinder is activated, the third cylinder pushes the third push rod to move, so that the conduit moves back and forth in the movable groove, so that several conduits shrink along the diameter of the support plate Or extended, and then can change the dust blowing range of several ducts, and then can flexibly change the working position of the ducts according to the different shapes of the electrical automation equipment, so that the ducts can completely remove dust from the electrical automation equipment, avoiding the long-term accumulation of a large amount of dust that is easy to cause heat dissipation The heat dissipation holes distributed on the board are blocked, which is not conducive to the timely heat dissipation of electrical components, which in turn makes it easy to overheat inside the electrical automation equipment and affect the service life of the equipment.

The invention belongs to the field of streetlamps and particularly relates to a streetlamp capable of removing dust on the inner wall. The streetlamp comprises a lamp pole and a streetlamp mechanism,wherein the streetlamp mechanism is mounted at the top of the lamp pole. The streetlamp utilizes wind energy to automatically remove the dust, and thus the maintenance cost of the streetlamp is greatly lowered; a worker does not need to climb to the top of the lamp pole for maintenance, and thus the possible danger caused by climbing of maintenance personnel is avoided; a centrifugal wheel can identify the magnitude of the wind speed, if the wind speed is small, the centrifugal wheel does not interact with a first rack, a dust removing strip does not play a role of dust removing, and if the wind speed is large, the centrifugal wheel interacts with the first rack, so that the dust removing strip conducts four-time reciprocating motion in a lampshade to complete clearing of the inner wall ofthe lampshade; and the dust removing strip swings leftwards and rightwards while sliding along the bottom of the inner wall of the lampshade under driving of a second rack, so that the stubborn dustin the lampshade is cleared, the dust removing effect in the lampshade meets the dust removing requirement to the maximum extent, and the using effect of the lampshade after dust removing is better.

The invention discloses an adaptively adjusted cleaning robot, which includes a mobile base, a balance adjustment mechanism for anti-collision, a buffer support mechanism for buffer adjustment, an intermediate adjustment seat, an intermittent adjustment mechanism, a transmission console, The cleaning actuator and three transmission mechanisms, the intermittent adjustment mechanism is installed on the middle adjustment seat, and the transmission mechanism drives the intermittent adjustment mechanism to move along the sliding guide column on the middle adjustment seat, the cooperation between the transmission console and the cleaning actuator, Drive the cleaning actuator to perform 0-90°rotation cleaning. The invention uses the structural design of the balance adjustment mechanism to play the role of collision buffer, reducing the collision of obstacles on the robot during walking, and the structural design of the intermittent adjustment mechanism to drive the height adjustment of the cleaning actuator and the adjustment of the horizontal plane angle, and through the transmission The design of the operating table can realize the cleaning of walls at different angles, and has the characteristics of strong adaptability and high cleaning efficiency.

The invention relates to an electrostatic spraying and dust-removing system. One end of a shell is an inlet of a dust-removing system while the other end of the shell is an outlet of the dust-removing system; an air flow distributor, an electrostatic spraying device, a filtering dust-collecting and washing device and a water separator are arranged in the shell orderly from the inlet to the outlet; at least one atomizing nozzle is connected to a water supply pipe in the electrostatic spraying device, a high pressure static ring is arranged in front of each atomizing nozzle; the high pressure static ring is connected with a high pressure static generator at the outer part of the system through a lead; a filler is arranged in the filtering dust-collecting and washing device, and the upper part of the filler is provided with a water pouring distributor; the water pouring distributor is connected with a system external water supply pipe through a water pipe; and the bottom part of the filler is provided with a water collecting disk, and the water collecting disk is provided with a water draining pipe. The system can satisfy the dust removing requirement of grains in different sizes in air, and has a relatively good effect to filter the powder dust with the grain diameter being more than 0.1 micro meters.