37results about How to "Play the role of filtering impurities" patented technology

The invention provides a combined cylinder valve, and belongs to a cylinder valve. The combined cylinder valve comprises a main valve body. The right end of the main valve body is used for being in threaded connection with an air cylinder. A main channel and an air outlet channel are arranged on the main valve body. A filter is connected at the right end of the main channel. The right end of the main channel is communicated with the air cylinder through the filter. A check valve is connected on the main valve body at the left end of the main channel. A pressure reducing valve with a switch function is arranged on the main valve body between the main channel and the air outlet channel. A pipe joint is connected on the exit of the air outlet channel. A joint channel on the pipe joint is communicated with the air outlet channel. A safety valve is arranged on the pipe joint. A pressure gauge is connected on the main valve body and communicated with the main channel through a side channel. The combined cylinder valve has the advantages that switching of air inflation or outward air delivery can be realized only by pulling a handle, inserting a dowel or pulling up the dowel by people, so that troubles in demounting and mounting of the pressure reducing valve are avoided, and great convenience is brought to people to operate.

The invention relates to a tin-liquid-impurity filtering apparatus, which is used for filtering impurities from a tin liquid. The apparatus comprises a tin-liquid containing device, the center part of which is provided with a tin-liquid containing chamber. An impurity shunting pipeline is arranged on the tin-liquid containing chamber, leads to an impurity-collecting chamber arranged at the bottom of the tin-liquid containing device, and is provided with an electromagnetic switch. The tin-liquid-impurity filtering apparatus has advantages of safety and high efficiency.

The invention discloses a self-cleaning recycling device for domestic wastewater treatment, the self-cleaning recycling device comprises a support plate frame, wherein the upper surface of the supportplate frame is fixedly connected with a filter stirring box; the inner wall of the filter stirring box is fixedly connected with a support block; the top of the support block is fixedly connected with a filter screen through a first bolt; the top of the filter stirring box is fixedly connected with a top cover plate through a second bolt; the middle part of the upper surface of the top cover plate is fixedly connected with a motor; the output end of the motor is fixedly connected with a stirring rod; and the middle part of the lower surface of the support plate frame is fixedly connected witha disinfection box. According to the self-cleaning recycling device for domestic wastewater treatment, impurities in wastewater can be filtered when the wastewater is poured through the matching arrangement of a clamping shaft, a supporting rod, a supporting groove plate, a rotating shaft, a screen frame and an impurity screen, then the impurity screen is reversed, and the impurities are poured into an impurity collecting cylinder, so that the self-cleaning recycling device for domestic wastewater treatment plays a role of filtering the impurities.

The invention relates to a cold-resistant water meter. The water meter comprises a water meter body, a shell is arranged at the middle end of the water meter body, a connecting sleeve is arranged in the shell, a partition plate is arranged at the top of the connecting sleeve, the two ends of the partition plate make contact with anti-freezing pads respectively, a connecting rod is arranged at themiddle axis of the partition plate, a rotating rod is fixedly connected to the bottom of the connecting rod, and the top of the connecting rod penetrates through the partition plate and extends to theouter side of the partition plate. A protection pad and a heating pipe are arranged, when the air temperature is low, a heating wire is started, the heating wire generates heat, heat is released fromthe water meter body, so that the problem that a water meter body is frozen to affect the lives of residents is avoided; an anti-freezing cover is arranged, the dial plate is protected, the situationthat the device is damaged due to frost cracking of the dial plate is prevented, the situation that the interior of the water meter body is frozen or the dial plate is frozen to be damaged is effectively prevented, the service life of the water meter body is prolonged, the anti-freezing effect of the water meter body is enhanced, and the safety is improved.

The invention discloses a self-adaptive oil filtering system of a compressor. The self-adaptive oil filtering system comprises a crankshaft and an oil suction pipe, wherein the crankshaft comprises a crankshaft part, a balance part and a spindle part; the crankshaft is provided with a spiral oil groove in the outer wall of the spindle part; an oil suction inner cavity is formed in the lower end of the spindle part; the spindle part is provided with an oil hole in the lower part of the oil groove; the oil suction pipe is provided with a direct-through inner cavity and is arranged at the lower end of the spindle part; the direct-through inner cavity of the oil suction pipe communicates with the oil suction inner cavity of the crankshaft; a mounting base is arranged inside the oil suction inner cavity, on the oil suction pipe; an oil filtering part is arranged on the inner side of the oil hole, in the oil suction inner cavity; a bimetallic strip is arranged on the mounting base; when the bimetallic strip is heated, the bimetallic strip can drive the oil filtering part to shield the oil hole; when the bimetallic strip is cooled, the bimetallic strip can drive the oil filtering part to keep away from the oil hole. According to the self-adaptive oil filtering system disclosed by the invention, the oil filtering part is arranged in the oil hole, so that the performance and the service life of the compressor are guaranteed; meanwhile, the oil filtering part is flexibly controlled to be retracted and released by using the temperature variation characteristic of the bimetallic strip, so that the lubricating problem at the start running stage of the compressor and the filtering problem after normal running of the compressor are solved.

The invention discloses a device for prolonging the service life of a plating solution. The electroplating comprises a pre-plating groove, wherein a pipeline I is additionally arranged at the bottom of the pre-plating groove by using a tool and is connected with a magnetic drive pump; meanwhile, a water outlet of the plating solution is formed in the top of the pre-plating groove; the magnetic drive pump is connected with the water outlet through a pipeline II; a filtering flask is additionally arranged on the pipeline II. According to the device disclosed by the invention, circulating filtration systems are respectively arranged in the pre-plating groove and a reinforcing groove and can be used for well filtering impurities in the plating solution; the circulating filtration system adoptsa combination form of a circulating pump and a filter element; the effect of well filtering the impurities can be achieved by only needing to change the filter element regularly, so that a more satisfactory coating and a line body are obtained; in addition, the device has a simple structure and is convenient to operate; the service life of the plating solution can be greatly prolonged, which is far beyond the previous plating solution replacement cycle of 7 to 14 days.

The invention discloses an ammonium sulfate refining device, and relates to the technical field of chemical engineering. The ammonium sulfate refining device comprises a mixing box, a feeding port forcoarse ammonium sulfate to enter is formed in the mixing box, a first fixing plate is fixed in the mixing box, a first filter screen is movably connected to the upper portion of the first fixing plate through a driving assembly, and a stirring assembly is arranged above the first filter screen; the first fixing plate is communicated with a filtering cavity through a discharging pipe, and a filtering assembly is arranged in the filtering cavity; and the mixing box is communicated with an ammonium removal box through a material moving pump, the ammonium removal box is communicated with a pushing centrifuge on one side, and the pushing centrifuge is communicated with a drying box. By arranging the driving assembly, the effect of filtering impurities can be achieved; the effect of stirring can be achieved through the stirring assembly; in the upward moving process of the driving assembly, a support can be driven to move in the vertical direction, then filtering and stirring cannot be affected, and through combination of the driving assembly and the stirring assembly, very good practicability is achieved.

The invention discloses a conveying device on a paperboard integrated forming machine and relates to the technical field of carton machines. The conveying device on the paperboard integrated forming machine is characterized in that the conveying device comprises a supporting box, a regulator is arranged on the supporting box, a negative pressure pump is arranged on one side of the regulator, a feeding pipe is connected above the negative pressure pump, a delivery pipe is arranged below the negative pressure pump, a filtering end is fixed to the lower end of the delivery pipe, an inductor is arranged on the filtering end, a signal lamp is arranged on the inductor, a filtering device is arranged in the filtering end is a piece of latticed gauze, and the signal lamp is arranged on the outer side of the filtering end and is an LED lamp. The conveying device on the paperboard integrated forming machine is simple in structure, easy to install and convenient to use.

The invention discloses combined multifunctional phosphate ester fire-resistant oil purification equipment. The upper part and the middle part of an inner cavity of a vacuum tank (13) are respectively provided with a deluge device (12) and a heater (11) which is opposite to the deluge device (12); the bottom of the inner cavity of the vacuum tank is provided with a high oil level switch (34), a low oil level switch (35) and an oil floating valve (33) respectively; an oil inlet (3) is formed in one end of an oil inlet pipeline (36) and the other end of the oil inlet pipeline is connected with the heater (11); the part of the oil inlet pipeline (36) which is positioned between the oil inlet (3) and the vacuum tank (13) is sequentially provided with an electromagnetic valve I (2) and a coarse strainer (1); an oil outlet (4) is formed in one end of an oil outlet pipeline (46) and the other end of the oil outlet pipeline is connected with the vacuum tank (13); an inlet of an oil pump (37) is communicated with the vacuum tank (13); an outlet of the oil pump (37) is connected with an inlet of a secondary filter (38) through a check valve I (42); an outlet of the secondary filter (38) is sequentially connected with a check valve II (30) and a sampling valve (31); the top of the vacuum tank (13) is connected with a condenser (19) through a vacuum pipe (18); and the condenser (19) is connected with a vacuum pump (26) and a water collection box (22) through a conveying pipe I (47) and a conveying pipe II (48) respectively.