34results about How to "Easy to filter out" patented technology

A back light unit adapted to provide light to a liquid crystal display panel includes a housing, at least a light generator, and an optical filter. The light generator is disposed inside the housing for generating white light beams. The optical filter is disposed in an optical path of the white light beams between the light generator and the liquid crystal display panel for filtering the white light beams within a particular wavelength range of visible light. The hue of the white light beams before and after passing through the optical filter are the same.

A papermaking wastewater treatment device capable of improving the paper pulp recovery rate, disclosed in the invention, comprises a sedimentation tank, the far end of the sedimentation tank is communicated with two transparent U-shaped pipelines, the other ends of the two transparent U-shaped pipelines are communicated with a paper pulp extraction assembly, and a solarization assembly is connected between the sedimentation tank and the paper pulp extraction assembly; a filtering piece is connected into the sedimentation tank; and the outer wall of the sedimentation tank is connected with a driving part, and the driving part synchronously drives the filtering part and the solarization assembly. Under the power of the driving part, the solarization assembly is synchronously driven to solarize the two transparent U-shaped pipelines, papermaking wastewater containing a dispersing agent in the transparent U-shaped pipelines is conveniently decomposed, and filtration and propulsion are synchronously carried out in the sedimentation tank, so decomposed papermaking wastewater is filtered and extracted through a paper pulp extraction assembly. The filtered papermaking wastewater is irradiated at high temperature, so that the paper pulp dispersing agent in the papermaking wastewater is conveniently decomposed, filtered and separated out, and the paper pulp recovery during papermaking wastewater treatment is improved.

The invention discloses exhaust equipment for full-coating of polyethylene spirally enwound structure-wall pipe. The exhaust equipment comprises a full-coating machine head, one end of the full-coating machine head is provided with a pipeline inlet, and the other end of the full-coating machine head is provided with a pipeline outlet; and a first sealing sleeve is arranged on the pipeline inlet side, and a second sealing sleeve is arranged on the pipeline outlet side. According to the exhaust equipment, the first sealing sleeve and the second sealing sleeve are used for sealing the equipment,a vacuum pump is used for vacuumizing in the pipe machining process so that the effect that the quality and the appearance of a pipe are influenced because bubbles are generated in the process of winding a flat pipe can be avoided, and the high-quality pipe can be produced; the pipe with the flat pipe wound is shaped through a shaping device, the pipe with the flat pipe wound is shaped and rolled,the surface of the pipe with the flat pipe wound is pressed to be a smooth surface, the appearance is attractive, and the bubbles can be conveniently and quickly discharged; and the pipe subjected toshaping undergoes bubble pressing and shaping again through a bubble pressing device, the structure is simple, the production processes of pipe exhausting and winding are completed, and the high-quality large-caliber polyethylene spirally enwound structure-wall pipe can be produced.

The invention discloses a low-concentration flue gas desulfurization method for hydroelectric silicon smelting. The method comprises the following steps: 1) preparing absorption slurry, namely fully uniformly mixing a desulfurization adsorbent ground to the granularity of 325-400 meshes and water so as to obtain the absorption slurry; 2) absorbing acid gas, namely enabling the absorption slurry and flue gas to be fully contacted in a desulfurizing tower when flue gas during hydroelectric silicon smelting enters a desulfurization system, so that acid gas and particles in the flue gas are absorbed by the absorption slurry; and 3) discharging the flue gas, namely detecting the emission concentration of SO2 at the outlet, discharging the SO2 while meeting requirements, if not, returning to thedesulfurization system to treat, filtering the absorption slurry after absorption, and returning the filtrate to the step (2) to serve as absorption liquid, and taking the filter residues as by-products for sales, thereby obtaining the product. According to the method disclosed by the invention, limestone and other desulfurization adsorbents are mixed with water to prepare the absorption slurry,the flue gas enters the desulfurization system to be fully contacted with the slurry, and the acid gas and particles are removed, so that the emission concentration of sulfur dioxide in the flue gas is reduced to 80mg/Nm3, and green and environmental-friendly production is effectively realized.

The invention relates to the technical field of fertilizer production equipment, in particular to a screening device for fertilizer production and a screening method thereof. The screening device forfertilizer production comprises a screening bin, a screen cylinder is connected into the screening bin, a driving structure for driving the screen cylinder to rotate is connected to the bottom of thescreen cylinder, a drying structure is connected to the top of the screening bin, the drying structure comprises a drying bin connected to the top of the screening bin through a conveying pipe, an electromagnetic valve is connected to the conveying pipe, a heating cavity is formed by the inner wall and the outer wall of the bin wall of the drying bin and connected with a hot air pump, a pluralityof hot air ports are formed in the heating cavity, an exhaust port is formed in the drying bin, a stirring structure is connected into the drying bin, the bottoms of the screen cylinder and the screening bin are separately connected with discharge pipes, and the discharge pipes are connected with electric control valves, and the screening method of the screening device is characterized in that after fertilizer is dried, and then screening treatment is carried out. The problem that an existing screening device is extremely low in screening efficiency is solved, the fertilizer is prevented frombeing bonded in the screening process through the screening device, and the screening efficiency is improved.

The invention relates to the technical field of sewage treatment, and discloses an environment-friendly sewage treatment device which comprises two supporting frames and a sewage pipeline. First hydraulic push rods are fixedly connected to the inner sides of the supporting frames, supports are fixedly connected to the top ends of the first hydraulic push rods, extension frames are fixedly connected to the bottoms of the supports, second hydraulic push rods are hinged to the opposite sides of the two extension frames, and bottom covers are hinged to the opposite sides of the two supports. A treatment box is fixedly connected between the opposite sides of the two supporting frames, a stirring motor is fixedly connected to the top of the treatment box, a stirring paddle is fixedly connected to an output shaft of the stirring motor, an electric valve is fixedly connected to the left side of the treatment box, and a chemical dosing barrel is fixedly connected to the left side of the electric valve. According to the environment-friendly sewage treatment device and a sewage treatment method, clotted sludge can be conveniently dispersed, waste can be conveniently crushed, chemical dosing can be automatically performed, and precipitated sludge and waste can be conveniently cleaned away.

The invention discloses a dish plate accommodating dishes and seasonings independently and directly. The dish plate comprises a plate body; at least one auxiliary accommodating cavity used for accommodating seasonings and at least one main accommodating cavity used for accommodating dishes are arranged in the plate body, and the space of the main accommodating cavity is larger than that of auxiliary accommodating cavity. Since the auxiliary accommodating cavity used for accommodating seasonings and the main accommodating cavity used for accommodating dishes are arranged independently, the dishes and seasonings can be accommodated in the main accommodating cavity and the auxiliary accommodating cavity respectively, and usage is facilitated; the dish plate is particularly adaptive to accommodation of dishes such as steamed eggplants, steamed knuckles, stews and dumplings.

The invention discloses an impurity removal device for water treatment and an impurity removal method thereof. The impurity removal device for water treatment comprises a water storage tank, an impurity collection and filter tank and an impurity removal mechanism. The impurity collection and filter tank is slidably connected to an inner cavity of the water storage tank in a sleeving mode, and theheight of the impurity collection and filter tank is the same as the vertical height of the inner cavity of the water storage tank. The impurity removal mechanism comprises a rectangular hollow floating frame, a plurality of steel wire ropes, a driving motor and a transmission rod, the rectangular hollow floating frame is slidably connected to an inner cavity of the impurity collection and filtertank in a sleeving mode, the side walls of the periphery of the rectangular hollow floating frame are slidably attached to the side walls of the periphery of the inner cavity of the impurity collection and filter tank correspondingly, a plurality of liquid discharging holes which are uniformly distributed at intervals are formed in the side walls of the periphery of the impurity collection and filter tank, and the inner diameter of each liquid discharging hole is 2 mm. Visible large-size impurities can be conveniently filtered and screened out, the large-size impurities can be conveniently, rapidly and conveniently collected in a centralized mode, and the later-period further processing treatment efficiency is improved.

The invention discloses a spoon, which comprises a spoon body (1), a connecting rod (2) and a handle, and also includes a filter plate (4) and a U-shaped groove-shaped spoon mouth (3); the side of the spoon body (1) The wall is provided with a gap, the mouth of the spoon (3) is connected with the gap of the body (1) and has a smooth transition, the upper end of the mouth of the spoon (3) and the upper end of the body (1) are on the same plane; the filter plate (4) is arranged on the mouth of the spoon ( 3) in the groove. Since the spoon of the present invention is provided with a spoon mouth (3) and a filter plate (4), it is easy to use and simplifies the operation of making seasoning and scooping soup when people drink soup or eat hot pot.

The invention discloses an energy-saving environment-friendly high-purity bamboo vinegar producing and collecting system, belongs to the field of bamboo vinegar producing equipment, and particularly relates to a high-purity bamboo vinegar producing and collecting and heat energy recycling device. The energy-saving environment-friendly high-purity bamboo vinegar producing and collecting system is characterized by comprising a kiln, a condensing device, a bamboo vinegar collecting device and a heat recycling device; the condensing device comprises a condenser, the condenser comprises a heat-insulation outer sleeve and a film inner sleeve, a circulating water flowing space is formed between the heat-insulation outer sleeve and the film inner sleeve, and a smoke condensing space is inwardly enclosed by the film inner sleeve; the kiln is connected with a smoke inlet via a smoke exhaust pipe; the bamboo vinegar collecting device is arranged below a position along the smoke inlet. The energy-saving environment-friendly high-purity bamboo vinegar producing and collecting system has the advantages that high-quality bamboo vinegar liquid can be efficiently recycled, settled and separated, and heat generated in production procedures can be sufficiently recycled.

The invention relates to a method for evaluating and filtering the noise of space images of a photoetching machine, comprising the following steps of: acquiring the space images of tested marks; establishing the standard difference of the noise of the space images and the ideal light intensity of the space images; carrying out analysis of main components on the standard difference of the noise of the space images; and utilizing the best smooth factor to carry out two-dimensional sample band smooth filtering on the space images and obtaining the space images in which noise is filtered. In the method, the noise of the space image is simply and conveniently filtered, and the solving accuracy and the solving repeatability based on solving wave aberration of the space image are improved.

The invention discloses a feeding unit in an iron removal device. The feeding unit comprises a feeding shell, an iron discharge shell, a plurality of first feeding plates and a plurality of second feeding plates. The first feeding plates and the second feeding plates are layered, are downwardly obliquely fixed into an inner cavity of the feeding shell and are staggered with one another, iron outlets are formed in a side wall of the feeding shell, and each iron outlet is particularly formed in a position above the corresponding second feeding plate; the iron discharge shell is fixed onto the outer wall of the feeding shell, and an inner cavity of the iron discharge shell is communicated with the iron outlets. The feeding unit has the advantages that material movement stroke can be increased by the first feeding plates and the second feeding plates, and accordingly iron can be conveniently sufficiently filtered out.

The invention discloses a real-time power angle measuring method of a generator. The method takes GPS or Beidou pulse per second as standard, and samples electricity at a generator end and a key pulse impulse signal with high density at equal intervals. Through performing corresponding anti-interference treatment on the collected signal, high-precision synchronous phasor quantity and key phase impulse position information can be acquired, thereby acquiring the high-precision real-time power angle of the generator. The method has the advantages of being easy to perform anti-interference treatment on the signal; the method is strong in diversified impulse signal adaptation and high in power angle measuring precision.