628results about How to "Avoid dust accumulation" patented technology

Fanned air generated by a fan to cool a motor is discharged from a housing through fanned air discharge ports toward an opening formed in a base. The fanned air discharged toward the opening is then introduced into a groove in fluid communication with the opening. The groove is formed in a bottom surface of the base and has an open side at a front side of the base. The fanned air is then discharged from the front side of the base, blowing off saw dust on a cutting object so as to prevent dust from accumulating on a marking line on the cutting object.

A self-contained pill dispenser is disclosed. A housing is provided and a hopper for containing a plurality of pills is supported by the housing. A feed chute having a transport spiral therein is operatively connected to the hopper for receiving pills therefrom. The transport spiral has an outlet and controllable aperture. A vibrating plate is disposed proximate the outlet. A drive mechanism is connected to the vibrating plate for imparting vibration thereto. The drive mechanism can abruptly stop the vibration of the vibrating plate. A microcontroller is also operatively connected to the hopper, the transport spiral, and the drive mechanism. The system can self-calibrate the mechanism for counting and dispensing pills.

The invention discloses a double-rotation SCR denitration method and an apparatus thereof. According to the invention, a first eddy flow catalytic reaction chamber and a second eddy flow catalytic reaction chamber are arranged along a denitrating tower body; a flue gas introduction pipeline is arranged on a sidewall of the denitrating tower body; several eddy flow atomizing nozzles are respectively arranged on inner periphery of the flue gas introduction pipeline and the inner periphery at top of the first eddy flow catalytic reaction chamber; when flue gas is introduced into the flue gas introduction pipeline, the flue gas and ammonia gas injected by the eddy flow atomizing nozzle are mixed, and a mixture enables spiral sinking along circumference of the first eddy flow catalytic reaction chamber from up to down in a tangent circle mode, under effect of a cyclone, and then the mixture enable spiral rise along circumference of the second eddy flow catalytic reaction chamber from down to up in the tangent circle mode. Under prerequisite that high efficiency denitration is ensured, catalyst amount is less, operation of technical means is simple and easy, compared with the prior art, a denitrating tower structure is simple, cost of the apparatus is low, denitration efficiency is high, energy consumption is low, escapement ratio of ammonia is reduced, denitration cost is greatly reduced, and economic benefit is obviously increased.

The invention discloses an efficient multi-field-coordination fine particulate matter removal device and an efficient multi-field-coordination fine particulate matter removal method. The device comprises an outer field coagulation area, a direct current dust pre-collecting area, a pulse charge coagulation area and a direct current dust collecting area which are connected in sequence, wherein water steam and a chemical agglomeration agent are introduced from a nozzle of the outer field coagulation area respectively; the direct current dust pre-collecting area and the direct current dust collecting area are arranged in a line-plate type symmetric structure, a line electrode applies negative direct current high voltage, and a plate electrode is grounded and adopts layout of a water film electrode; the pulse charge coagulation area is arranged in the line-plate type symmetric structure, the line electrode applies positive pulse high voltage, and the plate electrode is grounded and adopts layout of the water film electrode. The device and the method aim at mineral particulate matters discharged by a fixed source; aerosol particulate matters, particularly fine particulate matters, can be subjected to efficient coagulation removal in a structural form of double coagulation areas and double dust collecting areas by using a multi-field-coordination method combined by a phase-change coagulation growth technology, a chemical agglomeration and flocculation mechanism and an electric coagulation technology, so that the phenomena of back corona, re-entrainment of dust, ash deposition and corrosion of the plate electrode are effectively avoided.

A self-contained pill dispenser is disclosed. A housing is provided and a hopper for containing a plurality of pills is supported by the housing. A feed chute is operatively connected to the hopper for receiving pills therefrom. The feed chute has an outlet and controllable aperture. A vibrating plate is disposed proximate the outlet. A drive mechanism is connected to the vibrating plate for imparting vibration thereto. The drive mechanism has a mechanism for abruptly stopping the vibration of the vibrating plate. A microcontroller is also operatively connected to the hopper, the feed chute, and the drive mechanism.

An medical supply unit is disclosed. The medical supply unit has a tank, a manual control mechanism for controlling location-movement or location-locking of the tank, and a horizontal arm. The medical supply unit also has a vertical arm, an elbow joint part that connects the horizontal arm and the vertical arm, and a rotary shaft for movable connection of the vertical arm, in which the rotary shaft movably connects to one end of the elbow joint part via the vertical arm, wherein another end of the elbow joint part connects to the tank via the horizontal arm, and a first end of the tank is attached to the manual control mechanism.

The invention relates to an electronic policeman for intelligent traffic, which includes a cross plate, a processor, a shield, several monitoring mechanisms, two bases, two struts and two struts; themonitoring mechanism includes a camera, a flash light and a cleaning box; a clean assembly is arranged in the cleaning box; a clean assembly includes a lifting unit, a lifting lever, a lifting plate and a cleaning unit; a drying mechanism is arranged on the side of the shield close to the camera, a dry mechanism includes a translation assembly, a translation plate, a telescopic assembly, a dryingbox, an intake pipe and a spray head; the electronic police used for intelligent traffic takes photos of vehicles violating road rules and regulations through a monitoring agency, a surface of that flash lamp is cover with a cleaning plate in the daytime to prevent the flash lamp from accumulating dust, thereby ensure the light replenishment ability of the flash lamp at night, moreover, the cameraand the surface of the flash lamp are dried and defogged by a drying mechanism in a rainy weather to ensure the supervision ability of the electronic police, thereby improving the practicability of the equipment.

A dispensing device of portable terminals for acquiring product data in a shopping centre comprises a plurality of static cradles for a corresponding plurality of portable terminals. The terminals are adapted to be withdrawn and used by the customers for acquiring product data. The dispenser has a customer verification unit which identifies each customer enabled to the use of the portable terminals, a communication unit for communicating to each identified customer a terminal to be withdrawn for carrying out the product data acquisition, and a control and data processing unit adapted to control the customer verification unit and the communication unit and to process the product data acquired through said terminals. The plurality of cradles is housed into a substantially flat portion of the container provided in close proximity of the customer identification means so as to allow access to the plurality of terminals.

The invention discloses an outdoor charging pile for new energy vehicles. The outdoor charging pile comprises a fan, a sliding door, a charging pile main unit, a sliding base, a water receiving bucketand a bottom box, wherein the sliding base is fixedly mounted at the top of the bottom box; a left side plate is fixedly mounted at the left side of the top of the sliding base; a right side plate isfixedly mounted at the right side of the top of the sliding base; a rear end plate is fixedly mounted at the rear end of the top of the sliding base; the left side plate, the right side plate and therear end plate form a cavity; a top plate is fixedly mounted at the top of the cavity; the fan is fixedly mounted at the top of the top plate; the charging pile main unit is slidably mounted at the top of the sliding base; the charging pile main unit is positioned inside the cavity; and a winder and a charging gun mounting frame are fixedly mounted at the front end of the charging pile main unit.The outdoor charging pile for the new energy vehicles can prevent the charging pile main unit from being exposed so as to prolong the service life of the charging pile main unit, and has good heat dissipation, ventilation and dust removal functions so as to avoid dust accumulation of the charging pile main unit and provide a guarantee of safe charging for the new energy vehicles.

The invention discloses a louver fin and a heat exchanger adopting the louver fins, in particular to a microchannel heat exchanger, and solves the technical problem that fins of the conventional heat exchanger have high possibility of ash clogging, resulting in lowered performances of the heat exchanger. The louver fin provided by the invention includes a base sheet and louvered fins formed on the base sheet, wherein an air flow passage is formed between the adjacent louvered fins; and flow guide projections are arranged on the base sheet, and correspond to air inlets of the air flow passages. The louver fin provided by the invention can be applied to various heat exchangers and microchannel heat exchangers in the field of household/commercial air conditioners, can remarkably improve the ash accumulation of the air side of the heat exchanger, and improves the heat exchange performance of heat exchangers, particularly the microchannel heat exchangers.

The invention relates to a semi-tower type medium-temperature separation biomass circulating fluidized bed boiler, composed of a front shaft, a middle gas-solid separating and recycled material returning unit, and a tail flue, wherein the front vertical well comprises a hearth, a convection shaft and a smoke reversing chamber; the middle gas-solid separating and recycled material returning unit comprises a gas-solid separating device, a returning riser and a returning device; a super-heater, an economizer and an air pre-heater are arranged along a smoke flowing direction in the tail flue; a lower portion of the hearth is provided with 2 to 3 layers of secondary air along a height direction; an upper portion of the hearth is provided with a convection heated surface in the convection shaft; the hearth, the convection shaft, the smoke reversing chamber, the gas-solid separating device, the returning riser and the returning device compose a main circulation loop. According to the invention, adaptability of fuels is wide; combustion efficiency is high; abrasion and corrosion for the heated surface is poor; temperature of the smoke at an inlet of the gas-solid separating device is within a range of 400-750 degrees centigrade so as to effectively prevent slagging, slag hanging, dusts gathering, ashes blocking, bed materials blocking and returning device blocking in the boiler.

The embodiment of the invention provides washing dedusting equipment and a method for automatically washing a filter screen. The washing dedusting equipment comprises a water collecting device, a pipeline, a control device, a control valve and a spray head, wherein the water collecting device is connected with the spray head through the pipeline; the pipeline is provided with the control valve; the water collecting device is used for storing water for cleaning; and the control device is connected with the control valve and controls the control valve to enable the spray head to spray water by using water for cleaning in the water collecting device so as to clean the filter screen.

The invention relates to a stage blowback dust-cleaning method of an air box blowback bag type dust collector, and the air box blowback bag type dust collector, and the method includes the following steps: (1) closing an air exhaust valve of a dust collection bag chamber of the collector, and opening a reverse blow valve; (2) setting the initial wind speed of a back blower to 0.3-2 times as high as the filtering wind speed to blow back the dust collection bag in the dust collection chamber, with blowback time being 0.5-5 s; (3) increasing air quantity of the back blower to 1-5 times as large as the filtering wind speed; (4) continuing to blow back the dust collection bag, with blowback time being 2-60 s, and finishing the dust collection. The stage blowback dust-cleaning method in the invention can enhance blowback dust-cleaning effect of air box blowback bag type dust collector, ensure external surface of the dust collection bag to be thoroughly cleaned, avoid dust deposition phenomenon at bottom of the dust collection bag, and improve dust collection efficiency. In addition, the dust collector used in the stage blowback dust-cleaning method is characterized by simple structure, reasonable design, convenient use, and energy saving.

The invention relates to a gas mixing method. According to the gas mixing method, two types of gas are sufficiently mixed by utilizing a gas mixer; a flow guide body with a specific ratio is arranged in a mixing cylinder of the gas mixer, and two gas inlet pipelines and one gas outlet pipeline are adapted, so that two paths of circulating gas can be sufficiently mixed, and furthermore, the effect of resistance loss of the two paths of gas flow is reduced. The gas mixing method provided by the invention can be suitable for a mixing process of various types of flue gas in an industrial production field, and is particularly suitable for mixing sintering circulating flue gas and ring cooling circulating hot waste gas, and mixing the sintering circulating flue gas and air in a sintering flue gas circulating process.

The invention discloses a denitrating coal economizer coal economizer high-temperature bypass device which comprises a coal economizer and a coal economizer bypass flue, wherein the inlet end of the coal economizer bypass flue is connected with one side of the coal economizer; an electrically operated baffle door is arranged at the inlet end of the coal economizer bypass flue; a coal economizer inlet is formed in the top of the coal economizer; a coal economizer outlet is formed in one side of the bottom of the coal economizer; a coal economizer ash hopper is arranged at the bottom of the coal economizer; the coal economizer outlet and the outlet end of the coal economizer bypass flue are connected with a vertical flue; an ammonia spraying grating is arranged on the vertical flue; a first horizontal flue is connected with the top of a denitrating reactor; a denitrating reactor inlet ash hopper is arranged at the bottom of a second horizontal flue; the bottom of the denitrating reactor is connected with a denitrating reactor outlet flue; and the denitrating reactor outlet flue is connected with an air preheater. The denitrating coal economizer coal economizer high-temperature bypass device provided by the invention has the beneficial effects that the necessary denitrating efficiency can be guaranteed, and the generation of sulfate and ammonium hydrogen sulfate can be inhibited; and large-grain ash slag in smoke can be removed, so as to avoid obvious hole blockage and erosion to a catalyst.