9results about How to "Reduce filter load" patented technology

This utility model discloses a multi-stage dust filtration and purification device for sandblasting machines, belonging to the technical field of dust purification devices. It includes: a sandblasting machine body; a connecting pipe fixedly installed on one side of the sandblasting machine body; a purification box installed at one end of the connecting pipe; a spray assembly inside the purification box; and a water tank, which has a short pipe fixedly installed on the top of the water tank and a water outlet pipe at the top of the short pipe. This achieves preliminary dust purification, significantly reducing the filtration load on subsequent filter boxes one and two, extending the service life of the primary and secondary filter plates, and significantly reducing the dust content in the exhaust gas, effectively meeting environmental emission standards, reducing dust pollution to the atmospheric environment, and greatly shortening the time for cleaning and replacing filter plates. It also avoids performance degradation of the entire purification device due to local filtration failure, and the double fixing prevents the filter plates from loosening or shifting during operation.

The invention relates to the technical field of cloth bag dust removal, in particular to a hot galvanizing flue gas collecting and treating device. Comprising a cylinder body and a cylinder frame supported and connected below the cylinder body, the barrel body is formed by combining a cylindrical part at the upper part and an inverted cone part at the lower part; an air outlet joint is arranged at the top of the cylinder body; an air inlet joint is arranged on the arc-shaped outer wall of the cylindrical part of the barrel body; a discharge valve is arranged at the bottom of the barrel; a valve rod with a plurality of valves is rotationally connected in the discharge valve; the valve rod is driven by a lower motor; an inverted cone cylinder is arranged on the inner side of the inverted cone part of the cylinder body; the bottom of the inverted conical cylinder is fixedly connected with the inner side of the cylinder body through a fixing block; according to the invention, flue gas enters the cylinder and is subjected to rotating centrifugation, so that gas and smoke particles in the flue gas are preliminarily separated and then penetrate through the cloth bag, the difficulty of the flue gas penetrating through the cloth bag is greatly reduced, and the flue gas treatment efficiency is improved.

The invention relates to the technical field of gas-solid phase reaction, in particular to a fluidized bed reactor and a pyrolysis method. The interior of the fluidized bed reactor comprises a dense-phase zone (1), a dilute-phase zone (2) and a gas-solid separation zone (3) from bottom to top, and a filter (4) is arranged in the gas-solid separation zone (3); the fluidized bed reactor further comprises a fine powder collecting cone (5) and a discharger (6), and the fine powder collecting cone (5) is arranged in the gas-solid separation area (3) and used for collecting fine powder separated by the filter (4); and the discharger (6) is connected with the fine powder collecting cone (5), is arranged outside the fluidized bed reactor and is used for discharging the fine powder in the fine powder collecting cone (5) out of the fluidized bed reactor. According to the fluidized bed reactor disclosed by the invention, fine powder separated by the filter can be efficiently discharged out of the fluidized bed reactor, so that the content of the fine powder in the fluidized bed reactor can be remarkably reduced, stable operation of a bed layer is ensured, and the fluidization effect is improved.

This utility model discloses a portable household water purification device, including a housing. A U-shaped arrangement of water purification pipes is fixedly installed inside the housing, with both ends extending to the outside of the housing. In this utility model, a pre-filtration system is formed by installing a filter cartridge and a stainless steel filter screen at the water inlet end of the water purification pipe. The stainless steel filter screen effectively intercepts large particulate impurities in the water. This design prevents large particulate impurities from directly entering the primary, secondary, and tertiary filter cartridges and the ultrafiltration filter, avoiding clogging of the filter cartridge pores due to sediment and rust in the water. This significantly reduces the filtration load on the filter cartridges and prevents large particulate impurities from scratching the hollow fiber ultrafiltration membrane of the ultrafiltration filter, effectively protecting the filtration performance of the ultrafiltration filter, greatly extending the service life of the entire filtration system, reducing the frequency of filter cartridge replacement and equipment maintenance, and lowering long-term operating costs.

The utility model provides an ultrafiltration membrane pipeline connecting fitting, which relates to the technical field of ultrafiltration membranes, and comprises a treatment tank, the outer surface wall of the treatment tank is fixedly communicated with a water inlet joint, the outer surface wall of the treatment tank is fixedly communicated with a water outlet joint, the inner surface wall of the treatment tank is fixedly connected with a fixing ring, and the outer surface wall of the treatment tank is fixedly connected with a water outlet joint. The top of the fixing ring is movably contacted with a filter screen, the top of the treatment tank is movably contacted with a sealing cover, a bearing is fixedly inserted into the inner surface wall of the sealing cover, and a rotating rod is fixedly inserted into the bearing. According to the utility model, under the interaction of all the components of the device, water to be treated entering the ultrafiltration membrane system can be efficiently pretreated, pollutants such as impurities and particles at the water inlet end of the ultrafiltration membrane are removed, and the filtering load of the ultrafiltration membrane is reduced, so that the service life of the ultrafiltration membrane is prolonged, the operation stability of the system is improved, and the overall filtering efficiency is improved.

The utility model discloses a flue gas desulfurization and dust removal filter which comprises a box body, a desulfurization box is fixedly installed at the bottom in the box body, a transmission box is fixedly connected to the position, close to the bottom, of one side of the box body, a motor is fixedly installed at the bottom of one side in the transmission box, a first transverse rod is arranged on one side of the motor, and a second transverse rod is arranged on the other side of the motor. And a protection box is fixedly connected to the center of the top of the desulfurization box. According to the flue gas desulfurization and dust removal filter, through the design of a motor, a first cross rod, a second cross rod, stirring rods and a first transmission wheel, the motor drives the first cross rod to rotate, and under the linkage action of a belt and the transmission wheel, the second cross rod synchronously rotates to drive the two groups of stirring rods to fully stir a desulfurization agent in a desulfurization box; the contact area and the reaction opportunity of the desulfurizing agent and sulfur oxide in the flue gas are greatly increased, the desulfurization efficiency bottleneck caused by non-uniform distribution of the desulfurizing agent and insufficient reaction in the traditional equipment is effectively broken through, and the desulfurization reaction rate and effect are remarkably improved.

The present application relates to sewage treatment technical field, specifically a kind of sewage treatment process and treatment system, comprising the following steps: step one: municipal domestic sewage, industrial wastewater is collected by sewage collection device, and sewage collection device includes sewage pipe network, pump station and storage regulating tank;Step two: the collected sewage is carried out primary treatment, using sewage primary treatment device, remove the solid waste such as large particle and suspended solids in sewage;Step three: the sewage after primary treatment is carried out biochemical treatment, using sewage biochemical treatment device, remove the harmful substances such as organic matter, nitrogen, phosphorus contained in sewage;Step four: the sewage after biochemical treatment is carried out sludge treatment, using sludge treatment device, the sludge in sewage is separated from water by centrifugal method, and after sludge drying, it is made to reach discharge standard by drying method;Step five: the treated sewage is discharged by sewage discharge device, improves treatment effect.

The utility model discloses a double-air-duct pet air purifier which comprises a center support, an upper-layer air outlet cavity and a lower-layer air outlet cavity are arranged in the center support, impellers driven by a motor set are installed in the air outlet cavities, and an upper filtering assembly and a lower filtering assembly are installed on the upper side and the lower side of the center support respectively. The upper filtering assembly and the lower filtering assembly each comprise a filtering support, a detachable primary filter is installed on the side, away from the impeller, of the filtering support, a detachable secondary filter is installed on the side, away from the impeller, of the filtering support, and an upper air inlet cover with an upper air inlet formed in the top is installed above the upper filtering assembly. A lower air inlet base with a lower air inlet formed in the bottom is installed below the lower filtering assembly, the air inlet amount is increased by forming the air inlets in the bottom and the top of the device, hair, large-particle dust and other sundries are intercepted through the first-stage filter, preliminary filtering is achieved, the filtering load of the second-stage filter is reduced, and the service life of the second-stage filter is prolonged.

The utility model discloses an oral liquid ultrafiltration equipment, including mount, ultrafiltration body, liquid inlet pipe, liquid outlet pipe, support structure and primary filter structure, be provided with ultrafiltration body on the mount, the upper portion fixed mounting of ultrafiltration body has liquid inlet pipe, this oral liquid ultrafiltration equipment through the unique bevel gear - screw rod nut drive mechanism, can conveniently, accurately adjust the support height and strength of liquid outlet pipe. This structure has the self -locking characteristic, and after supporting in place, will not back off because of system vibration or pipeline pressure, has guaranteed the stability and security of ultrafiltration system in the running process, prevents the connection point loosening or leakage because of pipeline stress, the innovative modularization primary filter structure adopts double -deck filter plate design, can effectively intercept the large particle impurity in the medicine liquid, has lightened the filtration load of precision ultrafiltration membrane in rear end ultrafiltration body, has delayed the pollution and the jam speed of ultrafiltration membrane significantly, has prolonged its life, has reduced the operation maintenance cost.