10 Liu Min uses electricity:. Moves.) Many farmers in riots installed electric self-priming pumps near their wells in their own homes, much like tap water used by urban residents. As long as the electric knife is closed, the self-priming pump will pump up the well's water, saving both energy and convenience. However, with the prolonged use of time, coupled with the use of self-priming pump environment is relatively poor (in the winter up to 4, the summer high temperature of 401), there will be no water, low water and other failures. For this purpose, we will introduce the maintenance method of the self-priming pump. It is that the motor reaches a certain degree of vacuum after the motor reaches the rated speed, and the water is automatically sucked to the ground. Self-priming pump structure is shown in the right figure. (2) Common faults Common faults of the self-priming pump are lighter water discharge and heavy water intake. If the power is continuously applied, the pump body heats up quickly. There are three reasons for the failure: First, the seal of the pump body is not strict, which causes the air in the well to be drained off, which does not meet the vacuum requirement. Second, the assembly is unreasonable, the pump is not concentric, and individual components are not installed in place; The gap between the impeller and the pump housing is unreasonable. Electric self-priming schematic cover, stacking outside the pool. When the temperature is around 15T, it will last 4 to 5 days, and when the temperature is above 20T, it will stack for 2 to 3 days. When the straw becomes soft brown, it can be softened. Stacking outside the pond can increase the raw material and gas production of fermentation raw materials, speed up the start-up speed after feeding, and reduce or avoid the floating husk. 4. When discharging, it is mainly to remove hard-to-digest residues and deposited sediment. Biogas slurry can be used as fertilizer, or it can be used for the next fermentation. There are a large number of bacterial strains of activated sludge material used as inoculum. 6, after a large discharge, the water seal ring and the material inlet and outlet should be stamped to prevent air circulation in the pool so that the air chamber dehydration caused by crack leak. Within 1~2 days, the biogas digester should be quickly overhauled and the new material should be used continuously. 7, large refueling in the spring should not be carried out prematurely. The refueling was premature, the ambient temperature was low, and the digester was difficult to restart. □ ftf open for peony flowers, flower diameter 10 cm, fruit weight 500 grams, flowering time of up to 5 months of the rare treasures of peony flowers when the small stone. 235318 Tanghuai Nursery, Tangshan Nursery Center, Lushan, Anhui Province, China Mobile: (0) (3) It is critical that the method of quick repairing is to maintain concentricity. When checking, it is important to check whether the motor end cover is in its original position. The overall rotation of the rotor bearing and the end cover should be flexible. The mastering skill is to adjust the edge of the assembly machine while the pump is rotating, because the pump shares a single rotor shaft. Focus on the accuracy of the position between the impeller and the pump casing. If there is an error, the impeller will deviate from the correct position, resulting in no suction. Fill with water and block the pump's suction port by hand to see if the water level in the nozzle is sinking. If the water level sinks, it means that the sealing performance is not good, and the seal must be readjusted until the water level in the shell does not sink. Then check the size of chestnut's suction and still fill the pump housing with water. Block the suction port of the pump with one hand and turn on the pump to turn it on. Let's look at Li Li's water from the outlet and shoot it high. After seeing the palm of your hand, the pump sucks the population and becomes instable. This is a key step in checking if the self-priming pump can properly absorb water. There is an error in the installation. After the motor is turned on, the pump will not produce water. The impeller is installed correctly. Generally, the water pump can discharge water in about 1 minute, and the water output is large. (2) Put the sealant on the water seal chassis after correction and put it in. Be careful not to make mistakes in the positive and negative directions. The correct direction is to install the rigid plastic tray with the exposed side facing outwards. Then apply the glue to the spring seal. The direction cannot be reversed. The correct direction is to install the rigid plastic tray end inward. Then put the impeller in a small hammer and gently hit the impeller into the position wheel just to the pump casing. However, oh. Turn the end of the motor shaft by hand: see if the Pf wheel is flexible. (3) If the motor shaft collides with the two screws made on the shell wall of the pump, and it is screwed into the small hole of the impeller body, the aim of the screw is to let the impeller exit some, and how much the impeller exits is the key One step. (4) It is necessary to pay attention to the edge of the screw and exit the two small screws, while rotating the motor shaft, so that the impeller rotation is more flexible, and does not touch the pump casing. Finally, apply the sealant to the cover rubber of the pump housing, wipe the dirt on the interface between the pump cover and the pump body, and tighten the pump cover. 1, seepage water leakage. Fill the chestnut with water and use your palm to block the suction of the pump. Observe whether the water level is sinking and determine whether there is a leak or water leak. If water is not sinking, it is tightly sealed. 2, suction size, still have to maintain the pump shell spit outlet filled with water, and use the palm of your hand to block the pump suction population, then turn on the power, the pump will hand tightly sucked in the pump. If you feel the chestnut's suction is small, you must remove the millet shell and re-adjust the position of the impeller. 3, check the temperature of the pump body. The self-priming pump operated continuously for more than 10 minutes. The hand-touch pump body had no thermal sensation. 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Rapid repair civil electric self-priming pump
Core Tip: 10 Liu Min uses electricity:. Moves.) Many farmers in riots installed electric self-priming pumps near their wells in their own homes, much like tap water used by urban residents. As long as the electric knife is closed, the self-priming pump will pump up the well's water, saving both energy and convenience. But with the extension of the use time, plus the use of self-priming pump