66results about How to "Reduce filter speed" patented technology

The invention discloses an explosion-proof-type dust collector for a mine, comprising a box body, a dust collecting and blowing system, an explosion-proof device, airflow distributing plates and an ash dumping drawer. The box body is in a cuboid structure and is provided with a tubesheet at the inner upper part, a space above the tubesheet forms an air purifying chamber, a space below the tubesheet forms a dust removing chamber, an air outlet is arranged at the rear end of the air purifying chamber, the dust collecting and blowing system is provided with a filter cartridge and a blowing device, the filter cartridge is arranged in the dust removing chamber, the tubesheet is arranged at the upper end of the filter cartridge, the blowing device is provided with a pulse valve, a blowing pipe, a nozzle, an air storage tank and a diversion device, the air storage tank is arranged at the outer side of the box body, the blowing pipe is located in the air purifying chamber and connected with the air storage tank through the pulse valve, the nozzle is arranged on the blowing pipe and arranged right above the upper end of the filter cartridge, the diversion device is arranged at the upper end of the filter cartridge, the airflow distributing plates are slantways arranged in the dust removing chamber and arranged below the lower end of the filter cartridge, the dust removing chamber is provided with an air inlet at the front end and provided with an ash dumping drawer hole at the lower part on one side, the ash dumping drawer is inserted in the hole, and the explosion-proof device is arranged at one side of the box body.

The invention relates to a self-cleaning filter for cigarette factories. Transverse U-shaped section filter rings are concentrically sleeved to obtain the self-cleaning filter, one side of the U shape is provided with a filter screen, and the opening of the other side of the U shape has an inclined plane when the opening is opened; the filter screen is a coated filter obtained by coating a high-molecular porous film on at least one surface of a fiber compacted filter; and two diameter ends of each of the filter rings are respectively provided with a rotary dust absorption deashing nozzle stretching into each of the filter rings, and long hollow suction rods and short hollow suction rods undertake half axial dust absorption of the filter rings respectively. The inclined planes of the filter rings and adjacent straight filter planes form a tapered air out channel, the filter rings can be closely and adjacently arranged without separately setting an air outlet channel aside, and one filter ring can be added on the basis of a double-sided filter ring with a same section, so the filter area is increased by about 20%; and one surface is an inclined plane when opening, so an air inlet is expanded, the air inlet section is increased, and the total air inlet section accounts for 25% of a largest ring area, thereby large air flow filter requirements are satisfied, and the relation between the air inlet area and the filter rings is balanced. Dusts cannot enter the coated film, and the coated film cannot be adhered by wet and viscous dusts, so the dust absorption deashing is thorough, the filter resistance decreases to 80Pa, and the service life of the filter is prolonged.

The invention discloses a treatment device for rice washing wastewater, which comprises a filter device, a flocculation device and a bubble separation device. net, the bubble separation device includes a bubble generator and a bubble separation chamber, and the flocculation device includes a flocculation chamber and a filter chamber. Through the treatment device for rice washing wastewater of the present invention, the purpose of purifying and treating the rice washing wastewater is achieved.

There is provided a slow filtration device adapted so that raw water sampled from a river or out of the ground can be treated into drinkable water, etc. in a short time after being newly assembled. The slow filtration device including a filtration sand layer, a raw-water supply part, and a removal part includes a net (15) provided above a filtration sand layer (13) within the filtration tank (11) so as to cover the filtration sand layer (13) and used as a carrier for the breeding of algae, a heat-generating heater (18) provided directly below the net (15) to maintain the net (15) at a predetermined temperature, and an algae raising lamp (16) provided above the net (15) within the filtration tank (11) to radiate light onto the net (15) and promote growth of the algae.

The invention discloses a dense solid-liquid separation method in a wet zinc smelting solution capable of improving the clarification effect, and belongs to the technical field of wet zinc smelting. According to the dense solid-liquid separation method in a wet zinc smelting solution capable of improving the clarification effect disclosed by the invention, the roasted ore granularity is properly increased, so that the problems that solid-liquid separation and clarification effects of leaching slurry are not good, the speed is slow, the middle and upper clear liquid is small in capacity, mudflow of a thick supernatant is caused, the solid content of the liquid is increased, the quality of the supernatant is worsened, or even a qualified middle and upper clear liquid containing zinc cannot be produced, and the wet production cannot be lastingly carried out are solved. A physical state of roasted ore is optimized; the roasted ore granularity is properly increased; the content of soluble silicon and iron is reduced; the liquid-to-solid ratio of a feed pulp is increased; the temperature of the pulp is improved; and the dense clarification effect is improved by a combined step of optimizing the operation method of a flocculant and changing the adding point of 3# polyacrylamide.

The invention discloses a closed cloth-bag-type low-pressure ash-removing dust remover, and relates to an industrial dust remover. The dust remover comprises a flexible pipe (1), an ash removing cover (2), a trolley (3), a reducer (4), filtering bags (5) and air purifying chambers (6). A dust-remover purifying sub-chamber in a dust-remover ash-removing device is of a modular structure, the air purifying chambers are divided into a plurality of closed units, an outlet of a boiler induced-draft fan is connected to one end of a dust-remover cylinder, and the dust-remover cylinder is horizontally supported on a support; an ash removing system is connected to a motor and the reducer through a chain, and is connected with the ash removing cover and the trolley, and the ash removing cover and the trolley are arranged in the arraying direction ofan inlet and an outlet, and are located on a rail in a straight-line-reciprocating-moving-type mode; the filtering bags are hung to a ceiling in line and in row, and are supported through bag cages; low-pressure air generated by the outlet of the boiler induced-draft fan or other low-pressure air is subjected to converse purging through the dust remover, the closing aim and the leak-free aim are achieved, the spraying-blowing effect is guaranteed, the filtering bags are not damaged, materials are saved, and the service life of a machine is prolonged.

High oxidizing filtering system includes: high oxidizing mixing tank, high oxidizing contacting reaction pitcher, filtering pump, diatomite film filtering tank. The characteristics is that the outlet of the high oxidizing contacting reaction pitcher connects to the inlet of the filtering pump, the outlet of the filtering pump connects to the inlet of the diatomite film filtering tank, the high oxidizing mixed tank connects to the bottom of the high oxidizing contacting reaction pitcher. There are eddy current pump, ozone generator, hydrogen peroxide injection box on the bottom of the oxidizing mixed tank. There are gasholder, diatomite box, diatomite mixing box inner the diatomite film filtering tank. The beneficial effect of this invention is that high oxidizing and diatomite film combine with each other, oxidizing and filtering go along simultaneous, reducing the SS CODcr BOD of the original water as well as flavor, decolorizing, decreasing turbidity, sterilization, the wastewater according to the sullage emission standard can be reused after treatment, the river water pond water as well as ground water can reach drinking water standard after treatment.

The invention discloses an enhanced coalescence and efficient granular layer filtering device for ultrafine particles, and belongs to the technical field of flue gas purification. The filtering device comprises a pre-charging area, an agglomeration area and a filtering area, the pre-charging area comprises a conductive metal plate I, a ternary rare earth tungsten (W-La2O3-CeO2-Y2O3) barb and a conductive metal plate II; the agglomeration area comprises a primary coagulation area and an alternating electric field coagulation area; and the filtering area is a particle layer formed by porous particle swarms. According to the method, an electrode plate with ternary rare earth tungsten barbs serves as a discharge cathode, high-density free electrons, negative ions and positive ions exist in a whole electric field channel in a nanosecond pulse power supply mode through the diffusion discharge phenomenon, and superfine dust particles are subjected to sufficient and uniform heteropolar charge; secondly, the agglomeration and coagulation of the ultrafine dust particles are strengthened by utilizing the synergistic effect of a turbulent boundary layer, coulomb force and an alternating electric field; and finally, the dust particles are efficiently captured by a particle layer formed by porous particles.

The invention discloses a detection system for a vehicle PM2.5 filter. The detection system comprises a host computer, a PM2.5 sensor and a filter. The filter filters air in a vehicle. The PM2.5 sensor is installed at an air outlet of the filter. The PM2.5 sensor detects filtered air in the vehicle. The PM2.5 sensor is connected to the host computer. The PM2.5 sensor transmits detected data to the host computer. The host computer creates a life curve based on data. The invention also discloses a detection method of a vehicle PM2.5 filter. The system and method can detect the service life of the vehicle PM2.5 filter in real time so as to timely remind the replacement of the filter.

The invention discloses an environmental protection treatment device for industrial sewage. The environmental protection treatment device comprises a base, a water inlet, grooves and filtering frames,wherein a tank body is arranged on the base; a transmission chain is connected with the lower part of a motor; the water inlet is located at the left end of the top part of the tank body; the top part of the tank body is provided with connecting shafts; each short rod is connected with the upper part of a long rod; the grooves are symmetrically arranged at the inner sides of the tank body; a filter screen is fixedly arranged in the grooves; the central end of the interior of the tank body is provided with a first filtering layer; each filtering frame is arranged below a flow guiding opening;the inner wall of the upper end of the tank body is provided with heating pipes; the position of the lower end of the tank body is provided with a second filtering layer; and the front surface of thetank body is provided with chutes. The environmental protection treatment device for the industrial sewage provided by the invention has the following advantages: through arrangement of an active carbon filtering layer in the tank body, multi-layer filtering of the industrial wastewater can be conveniently realized, so filtered water is cleaner and can be reused; utilization efficiency of water resources is improved; and the effect of environmental protection is achieved.

The invention discloses a high-efficiency carbon fiber adsorption box, which includes a box body (1) and a carbon fiber tube (2), and the carbon fiber tube (2) is installed on a support plate inside the box body (1). 3*5 carbon fiber tubes (2) are evenly arranged in the box body (1) of a standard adsorption box with a width of 1600 mm. In the present invention, 15 carbon fiber cylinders are evenly arranged in the standard adsorption box with a length of 2400mm and a width of 1600mm, so that the filtering wind speed is lower than 0.2m/s, which is similar to a static state, and greatly improves the purification rate of carbon fiber to exhaust gas. Suitable for promotion and use.

The invention discloses a rice washing wastewater treatment device, which comprises a filter device and an air bubble separation device. The filter device includes a filter pool, a filter net is arranged in the filter pool, a waste water inlet and a waste water outlet are arranged in the filter pool, and the waste water outlet is separated from the air bubbles. The device is connected, and the bubble separation device includes a bubble generator and a bubble separation chamber, and the bubble generator is connected with the bubble separation chamber. Through the rice washing wastewater treatment device of the present invention, the purpose of purifying and treating the rice washing wastewater is achieved.

The invention discloses a kind of barrel particle dust catcher. It has a combined dust catching barrel which is formed by several dust catching units vertically in the catcher, the top of the barrel is connected with the air gathering room. There's reversal inlet and outlet at the two ends of the room. There is an ash gathering room which has an ash outlet at the bottom of the sealed end of the barrel.

A rapid primary filtering device for commercial concrete sewage comprises a filter shell, the inner wall of the filtering shell is fixedly connected with a first supporting plate, first supporting columns are slidably connected to the inner wall of the first supporting plate, a filter screen is fixedly connected to the upper surfaces of the first supporting columns, the inner wall of the filter screen is slidably connected with the inner wall of the filtering shell, and baffle plates are fixedly connected to the front side and the rear side of the inner wall of the filtering shell and the upper surface of the first supporting plate. When the device filters sewage, a drive motor is turned on to rotate a push plate, a push block moves left and right under the action of a spring, and a supporting bock moves up and down through an inclined surface on the push block in order to increase the downward sliding speed of sands and stones on the filter screen, and the sand and stones clamped on the filter screen are vibrated out, so the situation that sewage cannot quickly pass through the filter screen and the filtering speed is reduced due to the fact that many sands and stones are clampedon the filter screen is prevented.

The invention discloses an adegerming and water purifying argil filtering material, as well as a preparation method and application thereof. The materials comprises following components according to the following matching ratio: 130g-150g of clay, 30g-50g of a pore-forming agent, and 90ml-110ml of water, wherein the pore-forming agent is formed by 0.8mm rice husks or 1.2mm rice husks. according tothe adegerming and water purifying argil filtering material provided by the invention, the pore size and quantity of pottery sheets are controlled by controlling the mixing ratio and a firing method,the water purification effect is good and the use is convenient and easy.

The invention provides a foreign matter separating and filtering device for compressed air flow, and relates to the technical field of filters, in order to solve the problem that when an existing compressed air filtering device is used, impurities in air are prone to blocking filtering holes, the foreign matter separating and filtering device comprises a body, a push plate and an inserting groove, and a fixing plate is arranged at the top of a mounting plate; the mounting plate is arranged at the side end of the flow guide plate; filter holes are formed in the top of an inner plate, and the inner plate is mounted in the main body; and inner grooves are formed in the two sides of the main body, and baffles in the inner grooves are installed at the side ends of the scraping plates. A filtering hole is formed in the top of a bottom groove, and the bottom groove is formed in the main body; an open groove is formed in the top of the push plate, a rotating rod is slidably mounted in the middle of the push plate, and a cross rod outside the push plate is mounted at the bottom of the rotating rod; and the inserting groove is formed in the inner side of the water tank, and a pressing plate is arranged outside the inserting groove and is mounted at the top of a carrier plate through a connecting rod. And filtering holes in the filtering device are cleaned by using a push plate, so that blockage is prevented.