The installation of deep well submersible pump using the point

Before installation to 1, first check the diameter of the well, still water depth and the power supply system is in line with the conditions of use. Motor insulation is measured with 500 v megohmmeter, shall be not less than 150 megabytes. Equipped with corresponding hoisting tools, such as tripod, chain hoist, etc. 2, check whether the electric pump rotation is flexible, should have no card dead center, the repackaging of motors and pumps used coupling connection, attention to tighten the top. Open the exhaust and injection screw, the motor internal cavity injection fresh water, pay attention to prevent false full and plug. There should be no slack phenomenon. 3, good protection switch and boot device, the instantaneous start motor ( No more than 1 second) , whether the turning of the motor and to sign the same, if on the contrary, switching power supply can be any two connectors, then good convenient between the plate and water network, so prepare well. In steering motor and pump connection, must from the water pump outlet into the water, the water from the inlet throttling can start. Installation instructions pump inlet must in the dynamic water level 1 m, but not more than static level the diving depth of 70 meters, the motor bottom is apart from the bottom of at least 1 m. Rated power 15 kw (xiao yu is equal to or When the power supply to allow 25 kw) Motor adopts full pressure start. Rated power is greater than 15 kw, step-down starting motor adopted. 1, the installation is forbidden under the shaft of homework. First installed in the outlet of the pump to water pump pipe section, and plywood clamp, sling fell into the well, make the plywood is located on the spring. Installation of pipe bending, gate valves, outlet, and the corresponding rubber gasket seal. Cable to be fixed in the groove on the water pipe flange, didn't acquire a rope fixed well, the well process need to be careful, must not be damaged cable. 2, with a pair of plywood clamp another delivery. Then lift and fall into the connect pipe flange and rubber gasket, when screw must be diagonal simultaneously. Rose chain hoist first pay splint, decreased water pump pipe clamp and fell on him. Repeated in sequence for installation, under the well, until finish all outfit, put a manhole cover, a pair of plywood does not remove it on manhole covers. 3, protection switch, and after the boot device should be installed in the user panel, panel with voltmeter, ammeter, lights, and placed in a well inside the appropriate location. If there are any jam phenomenon, in the process of pump to idea of customer service card points, not to force the pump, so as to avoid stuck. The characteristics of deep well submersible pump is the small size shape, suitable for water drilling, it is immersed in the underground Wells in a kind of pump and water pump, is widely used in farmland irrigation and drainage, industrial and mining enterprises, urban water supply and drainage and sewage treatment, etc. Because the motor into the water at the same time, the reason for the structure of the motor requirements than the general motor special. The structure of the motor can be divided into dry type, half dry type, oil filled type, wet 4 kinds. Deep well submersible pump safety operating rules: 1. Before starting the pump, check the project shall meet the following requirements: motor bearing has lubrication; Base foundation bolt has tightened; Rotating motor rotor by hand and check out institutions are flexible and effective; Tighten and packing gland have been lubrication; Insurance axial clearance requirements, adjust the bolt nut has been installed. 2. Deep well before the operation should be clear water bubbled into the shaft and bearing housing to embellish. New clothes or after major repair of deep well pump, should adjust the clearance between the impeller and pump casing, impeller friction between housing and shall not be in the running. Operation, when found larger vibration based around, check the water pump bearing wear or motor packing condition; When excessive wear and leakage, should replace a new one. 3. Deep well submersible pump shall not be under the condition of no water idling. A water pump, secondary impeller should be immersed in water levels below 1 m. In the operation often should observe the change of water level in Wells. Should be used in sand content lower than 0. 01% of clear water, pump room with embellish tank, capacity of water embellish shall meet a start. Already contains mud pump suction and discharge, before the pump stop, clear water is rinsed clean. 4. Stop before the pump, should first close the discharge valve, cut off the power and lock the switch box. When winter outage, should put clean water pump.
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