41results about How to "Improve dusting efficiency" patented technology

Provided is a dust collector of a vacuum cleaner. The dust collector includes a dust separating unit forming a separation space for separating dust from air, a collector body forming a dust storage for storing the dust separated in the dust separating unit, and a dust guide passage connecting the separation space to the dust storage and guiding the separated dust to be discharged from the separation space in a tangential direction.

The present invention provides a dust collection filter capable of reducing power usage by reduction of the average pressure loss of the dust collection filter and extending the filter life by improving efficiency of dust removal at the time of recycling a dust collection filter, and provides also a dust collection apparatus provided with the same. A tubular-shaped filtering fabric (P) has a configuration in which are layered: a base fabric layer (20) comprising a woven fabric; and a filter layer comprising a non-woven fabric combined with at least the filtering front surface side of the base fabric layer (20). A dust collection filter (F) is configured to filter dust containing air by passing the same through the filtering fabric (P) from the filtering front surface side to the filtering rear surface side and to remove the dust captured and collected by passing a counter current of air (H) through the filtering fabric (P) from the filtering rear surface side to the filtering front surface side. In the dust collection filter (F), either warps (20a) or woofs (20b) constituting the woven fabric of the base fabric layer (20) are disposed to be slanted to the tubular circumference direction (Y) of the tubular-shaped filtering fabric (P).

The invention relates to an automatic powder spreader, which comprises a vibration screen, a motor, an eccentric block mounted on a motor shaft, and a motor housing, wherein the vibration screen is respectively connected with a longitudinal support part and a transverse support part through a flexible part and a connecting part; the motor is fixed outside a screen ring of the vibration screen, and the axis of the motor is located at a horizontal position; and an auxiliary screen for sharing the weight of chemical powder, lightening the load of the vibration screen and improving the powder spreading capability is also arranged in the vibration screen. The auxiliary screen is independently suspended on the support parts, the screen bottom of the auxiliary screen consists of a plurality of angle-adjustable vanes, and the angles of the vanes are adjusted to control the gaps of the vanes. The automatic powder spreader has the advantages that the structure is simple, the cost is low, the screen is stable and cannot incline, the vibration strength is high, the service life of the motor is long and the adaptability is wide, and the automatic powder spreader is mainly used for silkworm breeding and can also be used for powder spreading in medical treatment and public health units.

The invention provides a circumferential spiral tower tray for a gas washing tower, a gas cleaning device and application thereof. The circumferential spiral tower tray (10) comprises a spray column inlet pipeline (202), a spray column (206) and a spiral tower tray main body (102), wherein the spray column inlet pipeline (202) is arranged on one side of the upper part of a gas washing tower (1.2) and is basically perpendicular to walls (12 and 22) of the gas washing tower (1.2); the spray column inlet pipeline (202) further comprises an spray column inlet (204) which extends out of the wall of the gas washing tower (1.2); the spray column (206) is connected with the spray column inlet pipeline (202) at the approximate center of the gas washing tower (1.2) in a basically perpendicular mode; the circumference of the spray column (206) is uniformly distributed with a plurality of spray holes (208); the inner side of the spiral tower tray main body (102) is arranged in an upward spiral mode around the outer side of the spray column (206) from the lower end edge (104); and the outer side of the spiral tower tray main body (102) is connected with the inner walls (12 and 22) of the gas washing tower (1.2).

The invention discloses an RH vacuum powder spraying refining device and a powder spraying method thereof, and belongs to the technical field of molten steel external refining. The RH vacuum refiningpowder spraying device comprises a vacuum molten steel circulating device and a powder spraying device. The vacuum molten steel circulating device comprises a vacuum chamber, a dip pipe, a steel ladleand a lifting gas pipeline. The powder spraying device comprises a powder spraying element, a powder supply pipe, a buffer gas chamber and a quick connecting part. The powder spraying method comprises but is not limited to refining and alloying functions of desulfurization, deoxidation, inclusion removal, alloy addition and the like. The RH vacuum powder spraying refining device and the powder spraying method thereof have the advantages that the bottom of a vacuum tank is improved on the basis of an RH conventional structure, and spray pipe mounting parameters can be adjusted to meet the process requirements of different steel types; and implementation is easy, maintenance is convenient, the production efficiency can be improved, the production cost is saved, and the application prospectsare good.

The invention discloses a foldable chair which comprises a seat board, a backrest, two front legs and two rear legs, wherein the upper parts of the front and rear legs are respectively connected with the rear parts of the left and right side edges of the seat board; the upper parts of the two front legs are respectively connected with the middle parts of the left and right side edges of the seat board; the upper ends of the rear legs are rotatably pivoted with the upper ends of the front legs; the chair further comprises a U-shaped tube piece; the U-shaped tube piece comprises a U-shaped section for fixing the backrest and fixed sections which are used for being connected with the front legs respectively; the two fixed sections are arranged in a mode of respectively extending and tilting outwards from the opening of the U-shaped section; the U-shaped section and the front legs are not arranged on one same straight line; and the U-shaped section deviates to one sides of the rear legs. As the U-shaped section and the front legs are not arranged on one same straight line, and the U-shaped section deviates to one sides of the rear legs, the distance between the backrest and the front end of the seat board is greatly increased, and the foldable chair has larger sitting depth, so that the human body conformability is greatly improved.

This invention relates A wet dust remover, comprising a Venturi tube and a cylindrical washer, wherein the Venturi tube includes a convergent section, a throat section and a diffusion section, the sidewall of said throat section is provided with one or more through holes, the outer ends of the one or more through holes are connected to a pressure water pipe, the outer end of said diffusion section constitutes the outlet of the Venturi tube, the outer end of said convergent section constitutes the inlet of the Venturi tube, wherein the cylindrical washer includes a plurality of nozzles and a plurality of layers of dehydration wire meshes, the plurality of nozzles and the plurality of layers of dehydration wire meshes are placed in cross sections inside cylindrical washer. This wet dust remover feature less investment, high dust removing efficiency and relative long life, low water consumption and low operation costs and it can be mainly used in dusting applications for industrial dust and high concentration flue gas of all industrial furnaces and kilns.

The invention relates to silkworm rearing and disinfecting powder-spraying equipment based on monitored data. The silkworm rearing and disinfecting powder-spraying equipment based on the monitored data comprises a frame, filter screens, supporting frames, powder supply boxes, powder nozzles, mobile frames, a wireless transmission module and a central controller; the filter screens are arranged onthe supporting frames; the supporting frames are arranged on the frame; the powder nozzles are arranged on the bottoms of the powder supply boxes, the powder nozzles are located above the filter screens, and powder spraying directions of the powder nozzles are downward; the powder supply boxes are arranged on the mobile frames; cameras used for collecting images of silkworms and mulberry leaves onthe filter screens are arranged on the mobile frames; driving mechanisms used for driving the mobile frames to move longitudinally to and fro are arranged on the frame; the cameras and the wireless transmission module are in communication connection; the wireless transmission module and the central controller are in communication connection; and the central controller and the powder nozzles are in control connection. The silkworm rearing and disinfecting powder-spraying equipment based on the monitored data can conduct powder spraying disinfection on the silkworms and the mulberry leaves through the mobile powder nozzles according to monitored situations of the silkworms and the mulberry leaves on the filter screens, the powder spraying efficiency is high, and the silkworm rearing and disinfecting powder-spraying equipment based on the monitored data is safer.

An air-conditioning device has a dust removing function, including: an outdoor air introducing portion for introducing outdoor air into a case; an outdoor air discharge portion having a blowing fan for supplying the indoor environment with the outdoor air introduced through the outdoor air introducing portion; an indoor air introducing portion for introducing indoor air; and an indoor air discharge portion having a blowing fan for discharging the indoor air introduced through the indoor air introducing portion into the outdoor environment, wherein the air-conditioning device includes: a filter coupled inside the entrance of the outdoor air introducing portion to be able to collect dust that is introduced together with outdoor air; and an opening formed through the lower end of the edge portion of the filter.

The invention relates to the field of material and energy and the field of environmental protection and discloses a method and process for achieving energy saving based on a manual simulation forest microclimate system under air conditioner application through Carnot cycle. Water is led in to serve as a medium for a conveying and distribution system. through the scheme that a cold water cooling capacity recovery method is adopted, the temperature of a condenser is lowered, secondary latent heat of a refrigerant is used, the temperature condition of an evaporator is raised, heat and cooling capacity output efficiency is improved and fresh air ventilation removal is replaced by a method that indoor carbon dioxide, TVOC, air dust microorganism and other pollutants are removed by washing air, 10%-40% energy is saved in the usage process of the air conditioner.

The invention discloses a powder-coating spraying gun applied to the preparation of an inner coating of a pipeline and comprising a powder supply pipe, a sprinkle bracket, an adjusting bracket, a powder-merging cavity, a water-cooling sleeve and a water supply system. The sprinkle bracket is arranged at the front end of the powder supply pipe and connected with a sprinkle by the adjusting bracket; the powder-merging cavity is arranged at the rear end of the powder supply pipe; and the water-cooling sleeve is connected with the water supply system by the aid of a matched water-cooling joint seat. The spraying gun structure is also internally provided with an adjustable atomization-adjusting tube and an adjustable conical sprinkle to improve the atomization effect of the powder; the water-cooling sleeve can cool the powder-coating spraying gun in real time, and the powder deposited on the inner wall of the spraying gun can not be caked or melted, thereby improving the powder-spraying effect. The powder-coating spraying gun has good popularization and use values.

The invention relates to a quick-opening valve and a prepared explosion suppressor applying the quick-opening valve and belongs to the technical field of valves. The quick-opening valve comprises a rupture disk and a valve body and an impact rod and a trigger device which are arranged inside the valve body, wherein one end of the valve body is provided with an inlet passage of an explosion suppressant, the other end of the valve body is provided with a diffusion passage of the explosion suppressant, the rupture disk is arranged on the inlet passage, and the impact rod is provided with an outflow passage of the explosion suppressant, is slidably connected with the valve body and moves to the inlet passage to puncture the rupture disk under the action of the trigger device to make the inletpassage communicate with the outflow passage. According to the quick-opening valve and the prepared explosion suppressor applying the quick-opening valve, by means of the manner that the impact rod ispushed to move to puncture the rupture disk utilizing the trigger device, the problem of poor safety performance existing in existing quick-opening valves is solved.

The invention relates to a powder-sprinkling agricultural mechanical equipment for silkworm breeding, which includes a bolt, a turntable, a chain rod and a machine body. A rotating motor is installed at the middle of the inner bottom of the body, and the rotating motor is electrically connected to a storage battery through a wire. One side of the top of the turntable is equipped with a medicine powder storage box, and the other side of the top of the turntable is equipped with a support rod, and a chain rod is installed vertically inside the support rod, and the chain rod is connected with a gear. The present invention is provided with a hydraulic oil cylinder, a piston and a turntable, the hydraulic oil cylinder extends the piston, and the turntable rotates to adjust the angle. With mutual cooperation, the silkworm medicine can be sprinkled on any part of the silkworm tool to sterilize all silkworm bodies, prevent and cure diseases At the same time, the device is equipped with a nozzle and an exhaust fan, and the exhaust fan runs to spray the powder through the nozzle in time, which solves the problem of time-consuming and laborious application of the drug by the user, thereby improving the powder spreading efficiency of the device.

The invention relates to a powder spraying device capable of repeatedly utilizing raw materials for ceramic production. The powder spraying device comprises a shell. The shell is provided with a movable door, an inclined plate is arranged in the shell, one end of the inclined plate stretches out of the shell, a vibration motor is arranged below the end, stretching out of the shell, of the inclinedplate, and the shell is divided by the inclined plate into a powder spraying chamber and an installation chamber in sequence from top to bottom. Multiple rotating motors are arranged in the installation chamber, the rotating motors are connected with placing tables through rotating rods, cleaning devices are symmetrically arranged below the placing tables, the centers of the placing tables are located on the same straight line, the powder spraying assembly comprises a powder barrel, a powder outlet at the bottom of the powder barrel is connected with a first powder supply pipe, the lower endof the first powder supply pipe is connected with a second power supply pipe, multiple powder spray heads capable of spraying powder to the placing tables are arranged in the second powder supply pipe, and the lower end of an inclined plate in the powder spraying chamber is provided with a powder outlet. Powder spraying is comprehensive, the powder spraying efficiency is high, powder can be recycled, and the cost is saved.

The object of the present invention is to provide a cone for a retainer which is inserted into the center of the upper end of the retainer body which is a negative pressure generating area near the installation position of the conventional Venturi tube, so as to be effective in backwashing. When filtering cloth, a part of the compressed air sprayed from the nozzle on the upper part of the retainer body can be dispersed in the radial direction of the retainer body, preventing negative pressure from being generated on the upper end side of the retainer body, and making the entire area including the upper end side of the retainer body The filter cloth bulges outward, which can reliably dust off the dust attached to the filter cloth. Compared with the existing Venturi type, the cross-sectional area of ​​the flow path at the upper end of the retainer body can be enlarged, and dust collection can be greatly reduced. The load of the blower used for suction. The cone for the holder is inserted in the center of the upper end side of the holder body of the holder for the bag filter, and has an upper-end reduced diameter portion and a lower-end reduced diameter portion, and the upper end reduced-diameter portion faces the upper end at the upper end portion in the longitudinal direction. The reduced diameter is formed; the reduced diameter portion at the lower end is formed by reducing the diameter toward the lower end at the lower end in the longitudinal direction.

The invention discloses a powder spraying machine for filters. The powder spraying machine comprises a sliding plate mounted on a rack and a sliding plate driving mechanism; at least two groups of rotating shafts are rotationally mounted on the sliding plate; trays are arranged at the top ends of the rotating shafts; positioning columns are arranged on the trays and are sleeved with the filters; the powder spraying machine further comprises a powder spraying chamber; the sliding plate driving mechanism can drive the sliding plate to drive the filters on the different groups of rotating shaftsto enter the powder spraying chamber alternately; a reciprocating driving mechanism is arranged below the filters in the powder spraying chamber and comprises driving strip transversely and glidinglymounted on the rack; the guiding direction of a second guiding mechanism and the driving strips are parallel with the movement direction of the sliding plate; rotating wheels matched with the drivingstrips are arranged at the lower ends of the rotating shafts; a driving strip driving mechanism is further arranged on the rack; part of the sliding plate enters the powder spraying chamber, the rotating wheels are matched with the corresponding driving strips, the driving strips reciprocate in the movement direction of the sliding plate to drive the filters to rotate, and powder spraying heads spray powder to the rotating filters. The powder spraying machine has the advantages that powder is sprayed to the filters relatively uniformly.

The powder spraying robot for workpiece surface treatment comprises a base and a robot body, limiting blocks are arranged on the two sides of the top end of the base correspondingly, a guide rail and a clamping mechanism are arranged between the two limiting blocks correspondingly, a movable block is movably arranged in the middle of the guide rail, and the robot body is connected to the top of the movable block; the robot body comprises a first joint and a transmission mechanism for driving the first joint, the top of the first joint is rotationally connected with a second joint through the transmission mechanism, the middle of the second joint is transversely connected with a cross arm through the transmission mechanism, and one end of the cross arm is vertically connected with a third joint through the transmission mechanism; a spray gun body is movably arranged at the bottom of the third joint. The robot and the workpiece clamping area are uniformly arranged on the same bottom plate, and the robot body can transversely move along with the guide rails, so that powder spraying treatment can be conveniently carried out on workpieces in the later period, the working efficiency is improved, and the problems that the workpieces are difficult to clamp and the robot is inconvenient to move are solved.

The invention relates to the field of filter production, in particular to a filter powder spraying device. The device comprises a rack, a conveying mechanism, filters, a powder spraying chamber, a reciprocating driving mechanism, an oven, a cooling mechanism and a control unit. The filters are conveyed backwards under the action of the conveying mechanism, baked in the oven after powder spraying of the powder spraying chamber and then cooled through the cooling mechanism, so that membranes are formed. The device has the advantages that powder is uniformly sprayed on the surfaces of the filters, and meanwhile, the more the filters subjected to powder spraying every time is, the higher the overall powder spraying and membrane forming efficiency is.

The invention provides a circumferential spiral tower tray for a gas washing tower, a gas cleaning device and application thereof. The circumferential spiral tower tray (10) comprises a spray column inlet pipeline (202), a spray column (206) and a spiral tower tray main body (102), wherein the spray column inlet pipeline (202) is arranged on one side of the upper part of a gas washing tower (1.2) and is basically perpendicular to walls (12 and 22) of the gas washing tower (1.2); the spray column inlet pipeline (202) further comprises an spray column inlet (204) which extends out of the wall of the gas washing tower (1.2); the spray column (206) is connected with the spray column inlet pipeline (202) at the approximate center of the gas washing tower (1.2) in a basically perpendicular mode; the circumference of the spray column (206) is uniformly distributed with a plurality of spray holes (208); the inner side of the spiral tower tray main body (102) is arranged in an upward spiral mode around the outer side of the spray column (206) from the lower end edge (104); and the outer side of the spiral tower tray main body (102) is connected with the inner walls (12 and 22) of the gas washing tower (1.2).

The invention relates to a distributed powder spraying system and method, belongs to the technical field of powder spraying metallurgy, and solves the problems that an existing powder spraying system is small in powder storage amount, frequent in powder filling and low in production efficiency. Comprising a feeding working area, a conveying working area, a powder spraying working area and a gas control unit. The feeding working area comprises at least one storage module, the conveying working area comprises at least one conveying module, and the powder spraying working area comprises at least one powder spraying module; the number of the storage module, the conveying module and the powder spraying module is not one. Each material storage module is connected with at least one conveying module, each powder spraying module is connected with at least one conveying module, the gas control unit is communicated with the material storage modules, the conveying modules and the powder spraying modules, and the gas control unit provides gas for conveying powder for the material storage modules, the conveying modules and the powder spraying modules; a valve is arranged between the storage module and the conveying module, and a valve is arranged between the powder spraying module and the conveying module. The powder storage amount is increased, and the production efficiency is improved.

The invention belongs to the technical field of tomato pest and disease prevention and control, and particularly relates to a method for preventing and treating a tomato early blight. The method comprises the following steps of adjusting a temperature and humidity of a seedbed, and separating seedlings when the seedlings grow to a state with two leaves and one heart; performing high ridge cultivation, rationally fertilizing, timely sealing a ridge after field planting and seedling slowing to promote the occurrence of new roots, controlling the temperature and humidity in a greenhouse, strengthening the ventilation and light transmission management, when tomato early blight characteristics occur, spraying tomatoes with 5% chlorothalonil dust through a prevention and control device of agricultural and forestry pests and diseases, spraying a 1 kg of dust per acre, spraying once every seven days, in a fruiting period, regularly removing lower diseased leaves, and burying or burning to reduce the chance of disease transmission; the method is suitable for prevention and treatment of the early blight of large areas of the tomatoes, and has a good prevention and treatment effect.