50results about How to "Avoid incomplete separation" patented technology

The invention relates to a diaphragm spring for a normally open type clutch, belonging to the technical field of the automatic clutch of the automobile. The diaphragm spring is of disc-shaped structure and comprises a disc-spring part, a plurality of jointing finger parts and a plurality of stress releasing holes, wherein the plurality of jointing finger parts with the same structure are centrally symmetrical by the center of a circle of the diaphragm spring; and the outer ends of the jointing finger parts are fixedly connected with the disc-spring part which is provided with the plurality of stress releasing holes along the peripheral direction. The diaphragm spring not only reserves the advantages of being capable of reducing resilience force and having zero rigidity in a wearing route of a frictional plate, but also overcomes the problem of overlarge pressure, thus leading the elastic deformation of a thrust plate and a housing to decrease, leading the starting operation of an executive device to become easy and leading the load borne in the process of the executive device to obviously decrease.

The invention discloses a screening device capable of conveniently crushing and screening mineral raw materials. The screening device comprises a box body, a vertical bar and grinding tables. A material hopper is arranged above the box body, a crushing block is arranged below the material hopper, and the crushing block is arranged in the box body. Protruded blocks are fixed on the inner side of abearing. Loop bars are fixedly arranged on the inner sides of third gears and the loop bars are arranged below screening buckets. The screening buckets are provided with grinding ribs and screening holes. The grinding tables are arranged on the inner sides of the screening buckets, penetrate through the loop bars, and are fixedly connected with the box body. A discharging outlet is formed below the box body. According to the screening device capable of conveniently crushing and screening mineral raw materials, crushing processing is conveniently carried out on the hard mineral raw materials, rotating grinding and extruding grinding are carried out simultaneously, so that the crushing method is more abundant, the crushing effect of the mineral raw materials is improved, the need of multiplecrushing and grinding is avoided, and the beneficiation flowsheet is simplified.

The invention relates to the technical field of residue conveying equipment for building construction, in particular to a building solid residue conveying device with a separation structure for building construction. The building solid residue conveying device comprises a conveying part, the conveying part comprises a support frame, the left side and the right side of the support frame are symmetrically and rotatably connected with conveying rollers, and the outer sides of the two sets of conveying rollers are sleeved with a conveying belt; and the two sets of conveying rollers are in transmission connection through a conveying belt, and the outer side of one set of conveying rollers is fixedly connected with a first servo motor. According to the building solid residue conveying device, dust particles in residues and waste are separated and flushed out through water mist flushing, the residues and waste are conveniently recycled, the middle positions of the conveying rollers are arranged to be in a concave shape, the middle position of the conveying belt is made to be concave downwards, water flow is conveniently collected and guided, the water flow is effectively prevented from overflowing at will, and in cooperation with rotary stirring of a wheel cylinder, it is guaranteed that the device comprehensively removes dust particles.

The invention relates to the technical field of blood separation, and specifically discloses a centrifugal separation device for serum extraction, which includes a fixed seat, a fixed shell, a connecting pipe and a rotating seat. The upper surface of the fixed seat is fixed with a hollow fixed shell, and the inside of the fixed shell is A frustum-shaped rotating seat is provided for rotation, the bottom of the rotating seat is coaxially fixedly connected with a driven wheel, the side of the driven wheel is fixedly installed with a motor inside the fixed seat, and the output shaft of the motor is coaxially fixedly connected with a driving wheel, and the driving wheel and the The driven wheel is connected by a belt. The inside of the rotating seat is evenly provided with a blood collection tube placement groove and a serum tube placement groove. The serum tube placement groove is outside the blood collection tube placement groove. Perforations corresponding to the serum tube placement groove and the blood collection tube placement groove are provided. The invention has the advantages of simple structure, convenient operation, high separation efficiency, good quality and convenient implementation and popularization.

The invention relates to a special adjustable metal separating device for PET (polyethylene terephthalate) bottle pieces. The special adjustable metal separating device comprises a feeding port, magnets, a transparent connecting belt, an impurity channel, PET bottle piece channels, a PET bottle piece outlet, an impurity outlet and an adjustable guiding rail. The special adjustable metal separating device is characterized in that since the moving direction of a charged object can be changed due to the action of the Lorentz force when the charged object moves in a magnetic field, charged PET bottle pieces and uncharged metal materials can be separated, so that the purpose of separating metal impurities is achieved. The special adjustable metal separating device has the advantages that due to full application of the action of the Lorentz force, the charged PET bottle pieces to be separated fall into the PET bottle piece channels in the non-vertical direction under the action of the magnetic field, so that the complete removal of the metal impurities is realized, the problem of incomplete separation of the metal materials due to magnets is avoided, and the detectable rate of the metal impurities in the materials is furthest increased; and the position of the feeding port can be adjusted by the adjustable guiding rail, so that the purpose of adjusting the separation effect is achieved.

The invention discloses a continuous working device for oil-water separation. The continuous working device comprises a rotating disc and a mixing tank, wherein the bottom of the mixing tank is in sealed sliding connection with a tank bottom, a motor is concentrically welded and fixed at the lower end of the rotating disc, a plurality of separation pools are annularly arranged in the rotating disc, the middle of the upper end of each separation pool is in sealed welding with a feed pipe in a penetration manner, and each feed pipe is welded and fixed to the tank bottom. The continuous working device has the following advantages: the rotating disc drives each separation pool to rotate fast to rapidly layer petroleum and water in the separation pool, the original time for standing and then layering is shortened greatly, two elbows on each float block after layering are located in two liquids respectively, water and petroleum can be pumped into two annular pools respectively by a water pump and an oil pump in a power box, and rapid oil-water separation is realized.

The invention discloses a method for removing silver from a gold-containing material. According to the method, the gold-containing material is subjected to steps of high-temperature acid pickling, high-temperature oxidation chlorination and low-temperature filtration, high-temperature controlled electroreduction, high-temperature oxidation impurity removal and the like, and finally gold powder with the grade of more than or equal to 99.99% is prepared. The method is easy and convenient in operation, low in cost, simple in technological process and low in requirement for equipment, the recovery rate of gold in the whole technological process is high, the problems that gold powder and silver impurities produced through a traditional chlorination controlled electroreduction technology are not thoroughly separated, chlorination is conducted many times, system occupation is high are solved, and the problems that production cost is high and operation intensity is large are solved; and the gold powder with the purity higher than 99.99% can be prepared through the method, and the method is suitable for wide application and popularization.

The invention discloses a yellow phosphorus sewage treatment method and a yellow phosphorus sewage treatment device, belonging to the technical field of a chemical engineering technology and chemical equipment. The yellow phosphorus sewage treatment method comprises the following steps: adjusting the temperature of yellow phosphorus sewage to be 60-80 DEG C; separating dust in the yellow phosphorus sewage from yellow phosphorus and water to obtain phosphorus dreg and liquid containing the liquid yellow phosphorus and the water; and standing and layering the liquid yellow phosphorus and the water to obtain dreg-removed water and yellow phosphorus. According to the yellow phosphorus sewage treatment method, the time for treating the yellow phosphorus sewage is short and the efficiency is high; the content of the phosphorus in the treated phosphorus dreg is low and the waste of phosphorus resources is reduced; the pollution to the environment by the yellow phosphorus sewage is alleviated.

The invention relates to a special adjustable metal separating device for PET (polyethylene terephthalate) bottle pieces. The special adjustable metal separating device comprises a feeding port, magnets, a transparent connecting belt, an impurity channel, PET bottle piece channels, a PET bottle piece outlet, an impurity outlet and an adjustable guiding rail. The special adjustable metal separating device is characterized in that since the moving direction of a charged object can be changed due to the action of the Lorentz force when the charged object moves in a magnetic field, charged PET bottle pieces and uncharged metal materials can be separated, so that the purpose of separating metal impurities is achieved. The special adjustable metal separating device has the advantages that due to full application of the action of the Lorentz force, the charged PET bottle pieces to be separated fall into the PET bottle piece channels in the non-vertical direction under the action of the magnetic field, so that the complete removal of the metal impurities is realized, the problem of incomplete separation of the metal materials due to magnets is avoided, and the detectable rate of the metal impurities in the materials is furthest increased; and the position of the feeding port can be adjusted by the adjustable guiding rail, so that the purpose of adjusting the separation effect is achieved.

The invention discloses a glue spreading device and method of isolation paper of a damping fin and belongs to the field of machining auxiliary equipment of an automobile damping fin. The glue spreading device comprises an operation platform, an isolation paper roll holder and an aqueous glue barrel, and further comprises a dilution roller and an aqueous glue dilution belt, wherein the operation platform is of a slight declination type structure; the isolation paper roll holder is fixed at the bottom of the operation platform; the aqueous glue barrel and the dilution roller are fixed on the upper surface of the operation platform according to a process sequence; one end of the aqueous glue dilution belt is fixed at the bottom of the aqueous glue barrel, and a discharging hole is aligned to the aqueous glue dilution belt; the other end of the aqueous glue dilution belt is fixed on the surface of the operation platform at the bottom of the dilution roller; and after the isolation paper is unfolded by the isolation paper roll holder, the end of the isolation paper penetrates out from the bottom of the dilution roller, and the end of the aqueous glue dilution belt is in seamless contact with the isolation paper. According to the glue spreading device and method of the isolation paper of the damping fin, disclosed by the invention, the uniformity of aqueous glue dilution is improved; after dried aqueous glue is in contact with the damping fin, the jointing tightness can be guaranteed, and the problems that the damping fin is stuck due to too early separation and the damping fin is not easy to separate due to non-uniform stress are prevented.

The invention relates to the technical field of gas-liquid separation, and specifically discloses a gas-liquid separator. The gas-liquid separator comprises a separation tank, and a first partition plate and a second partition plate are arranged in the separation tank. The separation tank is sequentially divided into a first chamber, a second chamber and a third chamber along the axial direction,and a liquid retention device is arranged in the first chamber. The liquid retention device is arranged in the separation tank, and the liquid retention device directly faces a gas-liquid inlet of a gas-liquid mixture of the separation tank. When a pump body is started or is switched from a low gear to a high gear, the flow velocity of the gas-liquid mixture in the separation tank is instantly increased, the air pressure is increased, the expansion of a liquid retention sheet made of a flexible adsorption material is controlled by utilizing the change of the air pressure, and the liquid retention sheet is used for adsorbing the liquid in the gas-liquid mixture, so that the technical problem that the gas-liquid mixture is settled only by gravity and is difficult to separate thoroughly afterthe flow velocity is increased is solved.

The invention discloses a method for analyzing the purity of Fmoc-protected amino acids and related substances, comprising the following steps: S1, preparing a Fmoc-Osu impurity control solution, so that the ratio of Fmoc-Osu to Fmoc-protected amino acids is 0.1-1.0:100, and obtaining Fmoc-Osu impurity contrast solution; S2, prepare relevant impurity contrast solution, make the ratio of single relevant impurity and Fmoc-protected amino acid be 0.1-1.0:100, obtain steps such as multiple reference substance solutions, the present invention passes mobile phase, impurity The control solution and gradient elution conditions were comprehensively designed and optimized. During the operation of the system, the analysis method of the present invention has a stable baseline, basically no interference peaks in the blank test, outstanding impurity separation effect, and good specificity. The test data proves that the detection The limit can reach 0.002%, and the sensitivity is extremely high. The test results can provide reliable and effective information for product development, production and purification, lay a solid foundation for the establishment of quality control standards for the protection of amino acids, and play a positive role in the quality control of the final product.