Mechanical diaphragm metering pump must be ordering standardized market competition

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mechanical diaphragm metering pump must be ordering standardized market competition mechanical diaphragm metering pump with special design and processing of flexible diaphragm replace piston, mechanical diaphragm metering pump in the role of driving mechanism to realize reciprocating motion, complete the suction and discharge process. Mechanical diaphragm metering pump due to the effect of isolation of the diaphragm, truly realize in the structure by measuring the isolation between fluid and drive the lubrication mechanism. High-tech structure design and selection of new materials have greatly improve the service life of the diaphragm, coupled with excellent corrosion resistance properties of composite materials, mechanical diaphragm metering pump has now become the main pump fluid metering application type. Mechanical diaphragm metering pump can be widely used in petroleum, chemical, textile, food, papermaking, atomic energy technology, power plants, such as plastics, pharmaceuticals, water plants, environmental protection industry, science and technology department. Mechanical diaphragm metering pump used to pressure or precise quantitative atmospheric pressure container and the pipeline conveying liquid containing no solid particles. Mechanical diaphragm metering pump flow can be turned on ( Or machine) From 0 Within the scope of 100% stepless adjustment. ( According to the characteristics of the mechanical diaphragm metering pump, minimum travel is generally not less than 10% of the total trip) Single cylinder pump is suitable for the occasion of a single liquid; Duplex water pump can be used for proportional pump, and also can be used in parallel; Triplex pump can be used as a proportion of three pump, can also be three cylinder in parallel, in order to achieve a larger displacement, increase the pulse frequency of the liquid, prompting liquid continuous smooth joining; Six cylinder pump of triplex pump double effect. Can transfer temperature - mechanical diaphragm metering pump 30℃- 80 ℃, the viscosity of 0. 3 - 1000 was a/s corrosive or non corrosive liquid not containing solid particles, medium. Mechanical diaphragm metering water pump structure principle and characteristics of transmission box widget is journey by CAM mechanism, adjusting mechanism and speed ratio of worm gear mechanism; By rotating the handwheel by regulators to adjust the tappet motion, change diaphragm telescopic distance from surface to achieve the goal of changing flow. Cylinder parts is by the pump head, suction valve and discharge valve group, the diaphragm and other components of the diaphragm base. Working principle: the motor is approved by the coupling drive the worm and worm gear deceleration make main shaft and eccentric rotary motion, driven by eccentric tappet in guide within the cylinder for reciprocating motion. Along with diaphragm, through the role of the one-way valve vacuum pump cavity gradually formed, the suction valve open, suction liquid. When the diaphragm dead center moving forward, the suction valve closed at this time, open the discharge valve, liquid unleashed the impetus of the diaphragm. In mechanical diaphragm metering pump by adjusting certain stroke of reciprocating suitable work also form a continuous pressure, quantitative liquid. Flow control characteristics, mechanical diaphragm metering pump flow control is to rely on turn adjusting handwheel, drive the adjustment screw rotation, so as to change the spacing between the tappet, change the diaphragm in mechanical diaphragm metering pump pump cavity mobile trip to determines the amount of traffic. Adjust the scale decision diaphragm stroke of the handwheel, the accurate rate was 95%. Mechanical diaphragm metering pump use mechanical diaphragm metering pump running in front of the check and its preparations check each joint bolts are tight, whether to adjust a right machine feet, loose nut is not allowed to have phenomenon. New water pump should wash before first use the antirust oil on the surface of the moving parts processing, are not allowed to use metal tools chipped. Rotation according to the environmental temperature and the temperature of the medium to join in the oil or 50 # 220 # worm and worm wheel gear oil to oil. Turn the coupling, make diaphragm reciprocating movement before and after several times, can not have any jam phenomenon, feel is smooth. Check whether adjust the handwheel is zero, otherwise should be high to zero ( If the scale of the zero. Should adjust inventory in transit will shadow the span drift) 。 Check whether the motor line on the electric net, ( Wiring method, the voltage should be in accordance with the requirements of the motor nameplate calibration) And in accordance with the provisions, the rotating direction of pump. Mechanical diaphragm metering pump start before starting mechanical diaphragm metering pump motor must check in and out of the valve in the line open, only in the case of in and out of line unimpeded to start the motor. Should let its no-load running for several minutes after start, under all normal before problem, and then according to the need to be put into use. According to the need of technological process, check certificate provided in the second-round exam traffic flow calibration curve and the actual working condition of the calibration curve, draw corresponding percentile schedule and turn adjusting handwheel to specify the scale; Turn adjusting handwheel, should pay attention to not too fast and too hard, big flow direction should be in accordance with small flow rate adjustment, if need from big to small adjustment, should put the hand wheel spin several case, to the big flow direction to scale. After the adjustment to adjust disk lock to prevent loosening. Mechanical diaphragm metering pump stroke control can also be done in parking or running, after stroke control, mechanical diaphragm metering pump flow rate of about 1 - 2 minutes to stability, the greater the change in length, the longer the time needed to stabilize the flow. Check the regulator and other sports pay temperature shall not exceed 65 ℃. After startup, operation should be smooth, can not have abnormal noise; Otherwise, should stop it for checking the reason, and eliminate the root cause of the noise, then put into operation. Mechanical diaphragm metering pump stop cut off the power and stop the motor running. Import pipeline valve closed. But, must open before starting.

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