23results about How to "Increase the effective filter area" patented technology

The utility model discloses a folding air filter element suitable for high -efficient dust removal, including filter core fixed seat, folding filter core subassembly, front dust baffle and rear air purification baffle, the front dust baffle and air purification baffle are positioned and set through positioning structure and are positioned and set in the front end and rear end of filter core fixed seat, folding filter core subassembly is inserted and set in filter core fixed seat from top to bottom, and folding filter core subassembly is supported through framework structure, prevents filter material from collapsing and sticking under the condition of air current, vibration or dampness.

The application relates to the technical field of high-solid acrylic resin, in particular to a high-solid acrylic resin production impurity removal device, which comprises a fine filter tank and a filtering assembly arranged in the fine filter tank, the fine filter tank is provided with a fine filter feeding pipe, a fine filter discharging pipe and a blowdown pipe, the filtering assembly comprises a fixed column, a plurality of rotary fine filter cartridges and a plurality of scraping plates, the plurality of rotary fine filter cartridges are distributed in a circumferential array around the axis of the fixed column and are driven to rotate around the axes thereof, the scraping plates are fixed on the fixed column, the plate surfaces of the scraping plates are in close contact with the outer walls of the rotary fine filter cartridges, the fine filter feeding pipe is used for guiding the resin to be filtered into the fine filter tank, the fine filter discharging pipe is in communication with the inner cavities of all the rotary fine filter cartridges and is used for guiding the filtrate to be discharged, and the device further comprises a preheating coarse filter tank and a conveying pipe. The application aims at solving the problem that the filter screen is prone to blockage in the prior art.

The utility model belongs to flat disc filter technical field, and disclose a kind of flat disc filter with filter cloth washing mechanism, including flat disc, the inside fixed mounting of flat disc top is equipped with filter cloth.The utility model is through setting movable plate, first cleaning brush, second cleaning brush and movable brush, by setting first cleaning brush and second cleaning brush, to be able to when filter cloth rotates, the granular material attached to filter cloth surface is cleaned, make its connection between filter cloth loose, and by starting first motor, so that rotating plate is rotated by rotating shaft, and then make that circular block extrusion push the inner surface of movable frame, to drive movable frame to reciprocate left and right, and then through connecting block drive movable brush to reciprocate left and right, so that movable brush can be back and forth cleaned to the outer surface of filter cloth, so that filter cloth surface gum quality deposition layer can be washed loose, to increase the effective filtration area of filter cloth.

The utility model discloses a no wearing upper drive spiral sludge dewatering device relates to sludge dewatering equipment technical field, including main drive motor, gear drop mud tank, main driven spiral shaft, fixed dynamic ring piece group. Be equipped with dynamic ring drive mechanism above fixed dynamic ring piece group, and the movement conversion mechanism of dynamic ring drive mechanism will rotate the rotation of rotating transmission shaft and convert into plane swing. The input of arc movement output assembly is connected movement conversion mechanism, and the output is vertically through dynamic ring piece group. Two -way limit guide structure restricts the horizontal degree of freedom of arc movement output assembly bottom. Among them, movement conversion mechanism and arc movement output assembly cooperate, make dynamic ring piece group make arc reciprocating motion between fixed ring piece group, and dynamic ring piece group and driving spiral shaft and driven spiral shaft keep non -contact state, completely eliminate wear and tear, and the whole mechanism is located outside filtrate splashing area, and the structure is compact, and the cost is low, and the maintenance is convenient, and the filtrate passage is unobstructed, and effectively improve dewatering efficiency and equipment life.

The invention discloses a control method of a calcium-based desulfurization system for coke charging dedusting flue gas of a dry quenching furnace, and belongs to the technical field of coking flue gas purification. The method comprises the following steps: monitoring the flue gas sulfur dioxide concentration in real time, and starting a calcium spraying system in an interlocking manner when a threshold value is reached; by controlling the calcium spraying time, the arrival time (T2) of the desulfurizing agent is smaller than or equal to the flowing time (T1) of the flue gas from the monitoring point to the spraying point, so that accurate and synchronous mixing is realized; according to the real-time flue gas flow and SO2 concentration, the calcium spraying amount is dynamically controlled in an interlocking mode, and the calcium-sulfur ratio is maintained to be 1.8-2.4; intelligent ash removal control based on single-bin or total pressure difference triggering is adopted for the bag type dust collector, and ash removal is executed by staggering coke charging operation time periods of the dry quenching furnace according to set intervals. According to the invention, through cooperative intelligent control of time sequence, dosage and ash removal, the problems of desulfurization agent waste, excessive emission and unstable system operation under the intermittent fluctuation flue gas working condition of dry quenching are solved, and efficient desulfurization, resource saving and reliable system operation are realized.

The utility model discloses a double-filter-element filter and relates to the technical field of filters. Comprising a filter, the filter comprises a filter cartridge, a main filter element and an auxiliary filter element are arranged in the filter cartridge, a main water inlet and a first purified water outlet which correspond to the main filter element and the auxiliary filter element respectively are formed in the top of the filter cartridge, and a second purified water outlet located between the main filter element and the auxiliary filter element is formed in one side of the filter cartridge; and a central supporting pipe is also arranged in the filter cartridge. The effective filtering area is remarkably increased through the multiple annularly-distributed main filter elements, the auxiliary filter elements achieve uniform distribution of secondary filtering water flow through the annular water inlet holes, the contact time is prolonged through cooperation of the auxiliary filter elements and the independent filter cavities, and the water purification precision is improved through double filtering; the drainage cover is quickly disassembled and assembled by matching the hinged semicircular hoop with the locking screw rod, the main filter element and the auxiliary filter element are pulled out for replacement, the maintenance time is shortened, pipeline disassembly is completely avoided, and the use is more convenient.

The utility model discloses a sewage treatment suspended solid separation equipment, include: separation storehouse, the separation storehouse top opening is used for sewage to enter, the lower extreme of separation storehouse is provided with the export of sewage discharge, separation structure is set up in the inside of separation storehouse, and separation structure includes the filter cover of conical design, and the filter cover is fixed in the inside of separation storehouse, and the outer wall of separation storehouse is provided with the collection storehouse, and the inner wall of separation storehouse is provided with the separation mouth that is communicated with the upper portion of the inside chamber of collection storehouse, and when the filter cover is fixed in separation storehouse, and the separation mouth is located at the lower extreme periphery of filter cover and is flush with the lower extreme of filter cover, and when the sewage enters separation storehouse, and the suspended solid is filtered by filter cover and is guided to the separation mouth and enters collection storehouse and is collected. The conical filter cover design utilizes sewage flow inertia, avoids the massive accumulation of suspended solid on the surface of filter cover, effectively reduces the frequency of filter cover blockage, reduces the number of cleaning filter cover, thereby reduces the operation cost and maintenance workload.

The utility model discloses a straight-through type pipeline filter and belongs to the technical field of filters. The pipeline filter overcomes the defects of accumulation of filtered dirt, reduction of filtering area, increase of circulation resistance, short cleaning period of a filter element and difficulty in pipe arrangement and installation due to the fact that the filter element of a traditional pipeline filter in the prior art is arranged at the lower part. The main structure of the water purifier comprises a shell, an inclined filter element seat and a filter element mounted on the filter element seat are arranged in the shell, the side wall of the shell is provided with an inlet connecting pipe, an outlet connecting pipe and a sewage discharging assembly used for discharging sewage, the inlet connecting pipe is communicated with the interior of the filter element through a circulating hole in the filter element seat, and the exterior of the filter element is communicated with the outlet connecting pipe. And a detachable flange cover is mounted at the upper end of the shell. The filter is mainly used for filtering particulate matters in various liquid and gas media such as petrochemical engineering device conveying pipelines, power station boiler pipelines, pharmaceutical industry, domestic water supply and the like.

The application discloses a circulating fan for dry quenching system and relates to the field of circulating fans, which comprises a fan shell, an air inlet, an air outlet, an air inlet flange, a cleaning cylinder arranged at the air inlet of the fan shell, a filter cylinder arranged in the cleaning cylinder, wherein the filter cylinder is in the shape of a truncated cone, the smaller end of the filter cylinder is arranged away from the fan shell, and a wind guide cylinder corresponding to the filter cylinder is arranged at the end of the cleaning cylinder away from the fan shell; and a dust collecting unit is arranged at the end of the filter cylinder close to the fan shell, which is used for collecting and treating the impurities filtered out. The cleaning cylinder with the filter cylinder in the shape of a truncated cone is arranged at the air inlet of the fan, the coke powder and dust impurities in the circulating gas are completely filtered out before entering the fan shell through the front filter structure, the problems of the erosion and abrasion of the fan impeller and the internal flow channel and the flow channel blockage caused by the dust are avoided from the root, the operation failure rate of the fan is significantly reduced, and the service life of the whole machine is prolonged.

A water heater staggered filter valve structure, including: valve body, valve cap, filter core net and filter cover, the valve body includes water inlet pipe section, water outlet pipe section and installation pipe section, the water inlet pipe section and the water outlet pipe are arranged in the installation pipe section up and down staggered, the filter installation cylinder cavity extends from the water inlet pipe section to one side of the water outlet pipe section, the upper portion of the installation pipe section is detachably encapsulated with the filter cover, and the valve cap is detachably arranged at the water inlet end of the water inlet pipe section. The utility model discloses, through the up and down staggered arrangement of water inlet pipe section and water outlet pipe end, break the restriction of traditional T type coaxial structure, provide more abundant operating space for two side connecting water pipe and other water path element, greatly facilitate the activity of spanner and other installation and maintenance tools, improve assembly efficiency and operability.

The present application relates to sucrose crystallization technical field, and disclose a forced circulation crystallizer for trichloro sucrose mother liquor, including rack, the rack is installed with crystallization kettle and mother liquor tank, the filter assembly is provided in the mother liquor tank, the filter assembly includes mounting frame, the mounting frame is fixed in the inside of mother liquor tank, and the side surface of mounting frame is combined with the inner face of mother liquor tank, two rotating shafts are rotatably installed on the mounting frame, and the two rotating shafts are located at the two ends of mounting frame respectively, the roller is fixedly sleeved on each rotating shaft, and the two rollers are drivenly connected by filter membrane, the filter assembly further includes motor, and the motor is installed on the side surface of mother liquor tank.The present application works, the filter membrane under the motion state makes the mother liquor flow through different areas uniformly by continuous movement, avoids local blockage, and the impurities are uniformly dispersed on the membrane surface, the effective filtering area is expanded and the service life of single point is prolonged, and the vibration or water flow scouring effect promotes the impurities to fall off.

The present invention provides a NiCu alloy filter material for laparoscopic surgery, comprising an alloy layer, the alloy layer comprising copper and nickel, the ratio of the copper content to the nickel content being (65-62): (35-38), the copper content accounting for more than 20% of the alloy layer, the average pore size of the NiCu alloy filter material being about 0.3-3 μm; further comprising a 300-500 mesh stainless steel mesh material, the alloy layer covering the stainless steel mesh material; the thickness of the NiCu alloy filter material being 50-160 μm. The NiCu alloy filter material for laparoscopic surgery provided by the present invention, the preparation method thereof, and the laparoscopic surgery purifier have good filtering effects when used during laparoscopic surgery.

The present invention discloses a reverse osmosis membrane strength testing device and a testing method thereof, and relates to the technical field of reverse osmosis membrane testing. The reverse osmosis membrane strength testing device comprises: a reverse osmosis membrane evaluation tank, the reverse osmosis membrane evaluation tank comprises a tank body, a reverse osmosis membrane is placed in the tank body, the reverse osmosis membrane divides the tank body into a test solution chamber and a permeate chamber; a test solution water tank, the test solution water tank is used to store and provide the test solution required by the test solution chamber, the test solution chamber and the permeate chamber are both provided with a pipeline for connecting the test solution water tank; a booster pump, the booster pump is provided in the pipeline connecting the test solution water tank and the test solution chamber. The reverse osmosis membrane strength testing device and the testing method thereof directly obtain the reverse osmosis membrane strength by testing the desalination rate and water flux of the reverse osmosis membrane, so that the strength of the reverse osmosis membrane can be accurately known.

The present invention relates to a filter device and a diffuse oxygen-nitrogen separation device using the same, comprising an air intake side component installed on the air intake side of an inner chassis and a filter screen sleeved on the air intake side component, the air intake side component comprising an air intake hood and an air intake side plate, the air intake hood comprising an integrally formed lower air intake frame and an upper air intake frame, the lower air intake frame being provided with a first frame, the first frame being provided with a positioning boss, support ribs, and a first support column; the upper air intake frame being provided with a second frame, and an air intake space for inserting an external air intake connector being formed between the second frames. This solution solves the problems existing in the prior art of complex filter device structure, complex production and assembly, high cost, and time-consuming and labor-intensive replacement, so as to provide a filter device and a diffuse oxygen-nitrogen separation device using the same that is ingenious in structure, simple in production, and convenient and labor-saving to replace.

The present invention discloses a self-locking power connection mechanism for power maintenance, which relates to the field of power engineering technology, including a composite mechanism. The self-locking power connection mechanism for power maintenance, through the composite mechanism design, connects one end of the busbar interface to the power supply, then puts the sub-line into the wiring block, and then rubs the sub-line through the tooth mark block. Through the tooth mark structure design, the friction effect on the material is increased, and the protection and anti-falling effects are increased, and the stability during docking is improved. The air inlet groove of the composite shell is docked with the processing mechanism to facilitate air entry, thereby achieving the effect of heat dissipation and avoiding internal overheating and malfunction. Secondly, through the double shell design of the composite shell and the composite inner shell, the interior is protected and waterproof and moisture-proof, and debris is prevented from entering, which can improve the heat dissipation effect. The slotting can increase the surface area, which is conducive to the dissipation of heat and improves the heat dissipation efficiency.

The present invention discloses a printing and dyeing wastewater pretreatment device, comprising a liquid accumulation pool body, the liquid accumulation pool body is equipped with a turntable, the turntable can rotate along its own axis, the turntable comprises a top plate, bases are installed on both sides of the top plate, a shaft body is installed on the base, the shaft body is inserted into the base, the shaft body can rotate along its own axis, a support assembly is fixedly installed on the outer wall of the shaft body, the support assembly comprises a support rod, a plurality of support rods are distributed along the circumference of the shaft body, and the support rods are arranged in multiple layers along the radial direction of the shaft body, a filter component is installed between two adjacent layers of support rods, and two wall surfaces of the filter component in the radial direction are respectively abutted against the corresponding support rods, and the support rod can move radially along the shaft body. The present invention provides a printing and dyeing wastewater pretreatment device and a method of using the same, wherein the fluff on the filter component is easy to fall off, thereby improving the filtering efficiency of the filter component when it is used for filtering again.

This utility model discloses a high-efficiency carbon black flue gas dust collector bag filter, including: a conical filter box, an air inlet pipe, an exhaust pipe, a discharge pipe, a filter structure, and a dust removal structure. The air inlet pipe is inserted into the side wall of the conical filter box, the exhaust pipe is inserted into the top of the conical filter box, and the discharge pipe is inserted into the bottom of the conical filter box. This utility model relates to the field of carbon black production technology. It adopts an electromagnetically coupled driven dust removal system, and achieves a precise balance between dust removal force and energy consumption through PWM fine control, saving more than 40% energy compared to traditional mechanical vibration. The filter bag adopts an outward convex deformation design, which, combined with pulse backflushing, forms a "breathing effect," increasing the effective filtration area by 20%-25% and improving the thoroughness of dust removal by 35%. The unique wave-shaped filter arc plate structure generates a turbulence effect, which reduces airflow resistance (≤0.3) while increasing the probability of dust particle collision by more than 50%.

This utility model relates to the field of ceramic membrane module technology, and in particular to an irregularly shaped ceramic membrane module, including an inlet pipe. The bottom end of the inlet pipe vertically penetrates the middle of the top of a first end cap. The bottom end of the first end cap is screwed to the top opening of a main cylinder. A second end cap is screwed to the bottom opening of the main cylinder. A clear water pipe vertically penetrates the middle of the bottom of the second end cap. A product water center pipe is provided at the top opening of the clear water pipe. The upper and lower ends of the product water center pipe vertically penetrate the middle of upper and lower fixing plates, respectively. Several irregularly shaped ceramic membranes vertically penetrate the opposite sides of the upper and lower fixing plates. A concentrate pipe vertically penetrates one side of the bottom of the second end cap. This device adopts a honeycomb structure design of hexagonal irregularly shaped ceramic membranes, realizing a high-density orderly arrangement of irregularly shaped ceramic membranes, increasing the effective filtration area per unit volume, and optimizing water flow distribution through geometric symmetry, reducing dead zones and improving filtration efficiency.

The application discloses a filter, which comprises a filter body and a connecting piece, the connecting piece is located at a connecting end of the filter body, the filter body comprises n layers of filter screens and a filtering cavity formed by the n layers of filter screens, the n layers of filter screens are sequentially connected to form n-1 layers of filter hole channels, wherein n is a positive integer greater than or equal to 2, filter holes on two adjacent layers of filter screens are staggered, the two adjacent layers of filter screens are connected through a plurality of connecting columns, and the connecting columns and the staggered filter holes form the filter hole channels. The filter of the application can effectively filter non-metallic inclusions and impurities such as oxides in liquid through the multi-layer filter screens and the staggered filter holes, meanwhile, the filter has a large effective filtering area and a large number of recycling times, so that the internal quality of castings is improved and the yield of low-pressure aluminum alloy castings is improved.

This utility model discloses a self-cleaning rotary filter element, comprising: a cylindrical outer shell, including an air inlet arranged along the tangential direction of the cylindrical outer shell and an air outlet arranged along the axial direction of the cylindrical outer shell; a hollow shaft, which is aligned with the axial direction of the cylindrical outer shell and rotatably connected to the cylindrical outer shell; the hollow shaft is provided with air holes evenly distributed along the circumference of the shaft, and the open end of the hollow shaft is connected to the air outlet; filter blades, which are connected to the hollow shaft and completely cover the air holes; the filter blades are used to filter dust in the air; the filter blades are at least partially located in the air intake path of the air inlet, so that the incoming airflow can drive the hollow shaft to rotate when it impacts the filter blades. In this utility model, the rotational movement of the filter blades generates centrifugal force during operation, which can dislodge dust deposited on the surface of the filter media, thereby achieving a self-cleaning effect and enhancing the service life of the filter media.

The invention relates to the technical field of air purification, in particular to a filter which comprises a filter element and a first supporting piece, and the filter element comprises a plurality of air inlet crests and a plurality of air outlet crests; the air inlet crests and the air outlet crests are alternately arranged in the first direction, the bending directions of the air inlet crests and the air outlet crests are opposite, and the air inlet crests are connected with the adjacent air outlet crests; the first supporting piece is arranged on the air outlet side of the filter element; the first supporting piece comprises a first supporting main body and a plurality of first comb teeth; the first supporting body is connected with the multiple air outlet crests. The first comb teeth are arranged between every two adjacent air outlet crests, one ends of the first comb teeth are connected with the first supporting body, and the other ends of the first comb teeth are connected with the inner folding faces of the air inlet crests; the first comb teeth and the filter elements are arranged at intervals in the first direction. The intervals are arranged between the filter element and the comb teeth, so that the effective filtering area of the filter element is increased, the filtering resistance is reduced, and the filtering efficiency is improved.

The utility model discloses an externally-folded and internally-wound double-separation oil mist separation filter element, and aims to solve the problems that an existing oil mist separation filter element is a wound filter element, the filtering area and the size of the filter element are small, the filter element is easy to deform, and the service life of the whole filter element is influenced. The filter element comprises an upper cover and a lower cover, a filter material cylinder is arranged between the upper cover and the lower cover, the upper cover is axially provided with a liquid inlet hole, the liquid inlet hole is communicated with a cavity of the filter material cylinder, one end of the filter material cylinder is inserted into the upper cover, the other end of the filter material cylinder is inserted into the lower cover, and the filter material cylinder comprises an inner net, an inner filter layer, an outer filter layer and an outer net. According to the utility model, a double-separation mode of folding outside and winding inside is adopted, so that a larger effective filtering area can be achieved, the outer filtering layer formed by folding and winding is not easy to deform, the outer net is used as a pre-filtering layer of the folding filter element body, larger impurities and dirt can be blocked, and the service life of the whole filter element is prolonged.