36results about How to "Large dirt holding capacity" patented technology

The invention relates to a high-efficiency purification energy-saving filter core which is manufactured by adopting the stems and the poles of various plants, pulverizing, screening, and bulking the stems and the poles, mixing the processed stems and the processed poles as filter materials (100 parts) with various chemical substances (6.43-11.56 parts), then adding special vegetable oil and a magnetic substance (15-25 parts) and finally packaging with an oil-resistant and high-temperature resistant fabric. The filter core of the invention is suitable for the lubricating oil purification of various internal-combustion engines or mechanical equipment, thereby not only leaching the impurities of more than 0.01mm in online engine oil, but also enhancing the lubricating efficacy, improving the quality and the use function of the engine oil, enabling lubricating oil not to deteriorate or age after long-term use, keeping the due physicochemical index thereof and really achieving the purposes of energy saving and emission reduction.

The invention is a depth-type sand filter, the size of sand gradually diminishing with the flow direction of the normal filtering fluid. It leads the fluid to the inlet of the sand filter through the pipeline, firstly holds back big suspension through big sand area, then holds back medium suspension through medium sand area, finally eliminates most fine suspension through fine sand area, and then makes the fluid flow out from the outlet. It is composed of wall body, filtering sand and ground leak; the wall body is set with inlet and outlet, the ground leak is set under the wall body, the filtering sand is spread in the liquid flow direction in turn according to the size. It can adopt upflow and downflow modes. It can stably and economically run in a wide range. It is applied to economical sand filtering field, especially the field where the sand filter is used infrequently or discontinuously.

The experiment system for super high temperature bag duster includes super high temperature bag duster with fume inlet and fume outlet in the side wall, controller, compression air source and ash remover, as well as blower, simulating heater, air inlet pipeline, air outlet pipeline and ash adding unit on the side wall of the air inlet pipeline. The super high temperature bag duster consists of cover plate, cylindrical barrel, upper pattern board, lower pattern board and conic ash bucket, and one sound wave vibrating ash remover is installed over the cover plate. The present invention can simulate super high temperature fume filtering condition for directing the design of super high temperature bag duster.

The invention relates to an electromagnetic reversing valve and a valve body thereof. A filter oil outlet of the valve body and a filter oil inlet of the valve body as well as a filter oil output runner and a filter oil input runner are formed in the valve body, and a filter is fixedly connected to the valve body; the filter oil inlet of the valve body communicates to a second oil duct through a filter oil input runner; the filter oil outlet of the valve body communicates to the oil inlet through the filter oil output runner; a filter element is fixedly connected to an shell base, and an oil inlet of the filter and an oil outlet of the filter are formed in the shell base; the oil inlet of the filter is opposite to the filter oil outlet of the valve body; the lower part of a center hole ofthe filter element communicates to the oil inlet of the filter; and a bypass valve is arranged between the upper part of the center hole of the filter element and the inner wall of a top cover of theshell. According to the electromagnetic reversing valve, an oil filter is mounted on the valve body, so that the electromagnetic reversing valve is more conveniently cleaned; the dirt volume of the oil filter is greater; the maintenance interval time can be very long; as the oil filter is provided with the bypass valve, fetal failure is avoided when the quantity of pollutants is relatively great.

The invention discloses an electric oil purification method and an electric oil purification device and belongs to an electro-adsorption deionization technology. Under a constant direct current electric field, collection media and ions in oil liquid form a double electric layer to enrich the ions so that the oil is removed from the oil liquid. In the electric oil purification device, an oil tank is connected with the positive electrode of an external power supply; a core column is connected with the negative electrode of the external power supply; the negative electrode of a metal net is connected with the core column; the positive electrode of the metal net is connected with the oil tank; the collection media are filled in the oil tank; and an oil outlet pipe and an oil inlet pipe are connected with the upper part and the lower part of the oil tank respectively. A three-dimensional multi-layer type electric oil purification device for deep purification of transformer oil has the advantages of high filtration precision and high dirt holding capacity, so a problem of contradiction of the mechanical filtration precision and dirt holding capacity is solved and defects of selective adsorption of adsorbent, environmental pollution, low processing flow rate of the electrostatic oil purification method, low adsorption rate and poor adsorption effect are avoided; moreover, the invention has good adsorption and purification effect and is lower in cost, and favorable for protection of environment and working staff.

The invention discloses a processing method of molybdenum mineral dressing waste water. The processing method comprises following steps: 1, molybdenum mineral dressing waste water is introduced into apre-precipitation pool for precipitation so as to obtain pre-precipitation pool bottom sludge and a pre-precipitation pool supernatant; 2, the pre-precipitation pool supernatant is introduced into aflat ceramic membrane pool, and a flat ceramic membrane assembly is adopted for purifying to remove small particles and reduce the turbidity of produced water; 3, unfiltered waste water in the flat ceramic membrane pool is introduced into a reaction pool through a pipeline for reaction; and 4, waste water from the reaction pool is introduced into a precipitation pool for precipitation so as to obtain a precipitation supernatant and a precipitation pool bottom sludge. According to the processing method, the flat ceramic membrane is adopted for processing of molybdenum mineral dressing waste water, so that small particles can be removed with high efficiency, the turbidity of produced water is low, the technology is stable, waste water amount is reduced greatly, the adding amount of medicinesis low, operation cost is reduced greatly, precipitation pool equipment size and occupied land area are reduced at the same time, and investment cost is reduced.

The invention discloses a processing method of coal mine water and/or coal washing waste water. The processing method comprises following steps: 1, coal mine water and/or coal washing waste water is introduced into an adjusting pool to adjust water quality and water amount so as to obtain raw water; 2, the raw water is introduced into a flat ceramic membrane pool, a flat ceramic membrane assemblyis adopted for purification to remove small particles in the raw water and reduce the turbidity of produced water, wherein according to the operation mode of the flat ceramic membrane assembly, pumping, intermittent stopping, and backwash period are adopted alternatively; and 3, bottom sludge from the flat ceramic membrane pool is prepared into coal washing cakes which can be mixed with coal-air fuel, so that a fuel is prepared, and sludge resource utilization is realized, and produced water of the flat ceramic membrane assembly is subjected to deep treatment or is subjected to direct recycling as industrial recycled water. The processing method is capable of removing large particles, and small particles effectively; no medicine is added; the bottom sludge can be recycled as a fuel; the water quality of obtained water is stable, and recycling standards are reached.

The invention discloses a magnetorheological fluid recovery device and a treatment method based on ionization and centrifugation, and belongs to the technical field of magnetic waste liquid recovery and treatment. The device includes an outer barrel, an inner barrel, an adsorption tube, and a filter screen. The inner barrel is rotatably mounted in the outer barrel through a bearing and driven by a motor. The sidewall of the inner barrel is provided with filter holes that communicate with the inside and the outside, and the adsorption tube is arranged in the inner barrel. In the middle of the body, a coil is arranged in the adsorption tube, an electrode plate is arranged in the inner barrel, a filter screen is arranged on the inner side wall of the inner barrel and covers the filter hole, and a recovery stop valve is arranged on the outer wall of the outer barrel. The method of the invention realizes the separation and recovery treatment of the magnetorheological fluid through ionization treatment, centrifugal breaking treatment and centrifugal separation treatment. The present invention processes the magnetorheological fluid, separates and recovers the main dispersed particles and the carrier liquid, does not need any treatment agent for preliminary treatment in the early stage, and has high recovery efficiency, and the recovered carrier liquid can be used as a new carrier liquid after a little treatment.

The invention discloses an adjustable composite dynamic filtering device. The device comprises a tank body, the middle part of the tank body is filled with a filter material layer, the upper part of the tank body is provided with a water inlet, the bottom of the tank body is provided with a water outlet, the filter material layer comprises a top fluidized bed layer and a lower fixed bed layer, andthe thickness and/or height of the fluidized bed layer is adjustable; a backwashing drain pipe is vertically mounted in the tank body, and a solid-liquid separator located in the tank body is mountedat the top of the backwashing drain pipe; a water inlet branch pipe is arranged at the water inlet, and the tail end of the water inlet branch pipe is connected to the middle part of the backwashingdrain pipe; and the water inlet corresponds to the fluidized bed layer, and is tangent to the tank body. According to the invention, large particles in inflow water can be adsorbed in the fluidized filter material layer, and fine particle pollutants in the inflow water can go deep into the lower filter bed, and in addition, the filter material with a large active catalyst medium specific surface area increases the dirt holding capacity of the filter material layer and prolongs the filtering period of the filter.

The invention discloses an activated carbon filter element for engine oil purification and a preparation method of the activated carbon filter element. The filter element is made into a cylinder by gluing, forming, curing and other processes through activated carbon and an adhesive, and the cylinder is placed in a filter to be used. The method comprises the following steps: uniformly mixing the activated carbon with the polyether polyurethane adhesive, quickly conducting stirring, adding an MDI curing agent, further conducting stirring, mixing and gluing, pouring the formed substance into a forming mold, achieving uniform filling, and conducting curing and molding. Impurities in engine oil can be adsorbed and filtered by utilizing the strong adsorption and filtration effects of the activated carbon, the dirt capacity is large, the filtration effect is good, the impurities in the engine oil are effectively reduced, engine abrasion is reduced, the service life of the engine oil is prolonged, and energy conservation and consumption reduction are achieved; and meanwhile, through gluing and mold molding, the filter element can be matched with various filters, the permeability is good, the pressure drop is small, the engine oil liquidity is good, the manufacturing process is simple, industrial, automatic and standardized production can be achieved conveniently, and the quality of the filter element can be controlled easily.

The invention discloses a calcium sulfate whisker/epoxy resin composite filter material and a preparation method thereof. The composite filter material comprises calcium sulfate whisker and epoxy resin at the mass ratio of (9:1) to (4:6). The preparation method comprises the following steps: S1 weighing; S2 mixing, namely adding an organic solvent to the epoxy resin, adding the calcium sulfate whisker to form a turbid liquid, and adding a solidifying agent to the turbid liquid to obtain a pouring liquid; S3 removing a solvent, namely injecting the pouring liquid into a mold, and processing the mold at 60-80 DEG C for 30-60 minutes; and S4 solidifying, solidifying the mold for 7-26 hours. The calcium sulfate whisker/epoxy resin composite filter material disclosed by the invention is high in filtering accuracy, high in pollution receiving capacity, and low in material cost, and especially has an excellent treatment effect on metal ions such as lead ions in waste water. The preparation method disclosed by the invention has the advantages of being simple in manufacturing process, low in manufacturing cost, convenient to operate and suitable for industrial large-scale production.

The invention provides a high-flux cartridge filter element which can solve the problems that the service life of a filter element is short and use benefits of an inner filter element are low as an outer filter element is early blocked by pollutants. The high-flux cartridge filter element is characterized in that the filter element comprises an upper end cover, a lower end cover, an inner supporting framework, a filter medium middle layer, an outer fixing framework and an inner sleeve, the inner supporting framework, the filter medium middle layer and the outer fixing framework are closely combined in a sleeved manner, fitted on the inner sleeve and fixedly adhered at the upper end cover and the lower end cover in a hot melting manner, the filter medium middle layer is made of polypropylene and in a folded shape, the density of the filter medium middle layer is gradually increased from outside to inside, the porosity of the filter medium middle layer is gradually reduced from outside to inside, and the inner supporting framework and the outer fixing framework are stainless steel grids and matched with the folded shape of the filter medium middle layer.

The invention discloses a recycling and treatment method of waste magneto-rheological liquid and belongs to the technical field of recycling and treatment of magnetic waste liquid. The method comprises the following steps: controlling a rotary speed of an inner barrel body to be 3600r/min-3650r/min; after running for 20min, electrifying a coil in an adsorption pipe to generate a magnetic field; controlling the intensity of the magnetic field to be 6.5T-6.7T, and keeping for 10min-12min; reducing the rotary speed of the inner barrel body to be 10r/min and keeping for 2min-3min; accelerating the inner barrel body to be 3800r/min-3850r/min; after stably running, adjusting the intensity of the magnetic field of the coil to be 7T-7.2T and keeping for 7min-9min; reducing the rotary speed of the inner barrel body to be 10r/min and keeping for 2min-3min; then adjusting the rotary speed of the inner barrel body to be 3900r/min-3920r/min; after stably running, adjusting the intensity of the magnetic field of the coil to be 8.3T-8.5T and keeping for 5min-6min; and reducing the rotary speed of the inner barrel body to be 10r/min and keeping for 2min-3min. The method utilizes a physical method to treat, a bonding effect of main dispersible particles and carrier liquid can be disconnected and the main dispersible particles and the carrier liquid are separated; new components are not introduced into the magneto-rheological liquid; and post-treatment is simple, the operation is simple and the separation rate is high.

The invention discloses an efficient filter element for a water purifier. The efficient filter element comprises outer filtering passages and an inner filtering passage, the outer filtering passages include a first outer filtering passage and a second outer filtering passage, an inner filtering passage is arranged in the middle of the outer filtering passage to form a cylindrical structure and equidistantly divided into three filtering sections, fixing blocks are symmetrically arranged on the inner sides of the three filtering sections, and a plurality of filtering grooves are uniformly formedin a circular section and a side face of the outer filtering passage. The inner filtering passage is arranged to be of a snake-shaped structure, so that water filtering efficiency is higher in a samefiltering section; the outer filtering passage is arranged to be of a detachable structure, so that convenience is brought to replacement of a KDF filter material, a PP melt-blown filter element andan ultrafiltration element.

The invention discloses a dust suction filter, comprising a dust box and a sealing cover, wherein, the inside of the dust box is also hung with a filter core, an air inlet and an air outlet uprightly, the air inlet is arranged on the dust box, the air outlet is arranged on the sealing cover, the bottom of the inside of the dust box is provided with a skeleton position, and the skeleton position is positioned in a space between the filter core and the side wall of the dust box and is not higher than the bottom of the filter core. The device has very simple structure, greatly enhances the dust removal efficiency and also realizes the functions of smaller volume and bigger dirt storage capacity.

The present invention relates to a fuel delivery module which is used for being arranged in an automotive fuel container (2) and comprises the following components: a surge chamber (3) configured to store fuel; a fuel pump (4) which is used for conveying fuel from the surge chamber (3) to a fuel consumption device; and a fuel filter, wherein the fuel which is conveyed by the fuel pump (4) flows through the fuel filter. The fuel filter is received in a filter housing (5) which is arranged outside the surge chamber (3).

The invention discloses a non-woven fabric engine oil filter element and relates to the technical field of filter elements. A preparation method of the non-woven fabric engine oil filter element comprises the following steps: (1) preparing carbon powder; (2) preparing master batch; (3) preparing a primary fabric of the non-woven fabric; (4) obtaining a finished product. The non-woven fabric engineoil filter element prepared by the preparation method is high in filtering precision and large in dirt containing capacity and also has excellent strength and toughness.

The invention discloses a high-precision automatic backwashing oil-water separation device which comprises a base, a separator, a heater, a main oil pump, a backwashing pump, an electric appliance instrument box, a coarse filter, a fine filter, a high-precision filter oil pumping inlet pipe and an oil pumping outlet pipe; four universal wheels are installed at the lower end of the base; a separator, a heater, a main oil pump, a recoil pump, an electric appliance instrument box, a coarse filter, a fine filter and a high-precision filter are installed at the upper end of the base through supports, and an oil inlet pipe is installed at the upper end of the coarse filter. The high-precision automatic backwash oil-water separation device automatically and continuously backwashes sediments on the filter screen, effectively keeps the through-flow area of the filter screen basically constant to achieve the purpose of continuously and efficiently filtering dirt, has strong separation capability, can be suitable for high water content, large dirt holding capacity, high filtering precision, simplicity in operation and low maintenance workload. The filtering and coalescing separation element is long in service life and low in operation cost.