RQW type submersible sewage pump heat pump supply Shandong Stephen Cheung

RQW series resistant submersible sewage pumps, sewage pumps, waste water pump in the digestion and absorption of domestic and foreign-related sewage pumps and heat pump products based on advanced technology and experience successfully developed to overcome the temperature limitations submersible sewage pump, greatly enhance the submersible sewage pump temperature limit, with high efficiency, high temperature, high temperatures premise longer continuous operation, with efficient, reliable, easy to move and many other advantages in heating water, smelting waste, chemical industry waste water emissions. First, the use and features: RQW heat-resistant submersible sewage pump is mainly used for public works, industry, hospitals, heating, etc. The carriage heating water, smelting waste, chemical waste carriage occasions. RWQ series submersible sewage pump heat small size, compact structure, high efficiency, adaptability, pumps water through the motor housing most of the motor heat away, making it stable performance, reliable, and can be automatically controlled according to user requirements Level , greatly reduce the labor load. Second, conditions: 1. temperature does not exceed 140 degrees 2. The solid line media content does not exceed 40% 3. 380V / 50HZ AC three models: Example: 50 RQW 42 - 9 - 2.2 models on behalf of Meaning: 50 RQW ---- ---- outlet diameter submersible pump 42 ---- heat flow 42m3 / h 9_______ lift 9m 2.2 ______ motor power 2.2kw Fourth, the installation and precautions 1, the installation preparation 1) Before starting the pump should be carefully examined in the transport, storage, installation process without deformation or damage, loose fasteners or off. 2) Check the cables for damage, fracture and other phenomena, if damaged, it needs to be replaced to avoid leakage. 3) Check the power supply device is safe and reliable, it must match the nameplate rated voltage. 4) Check with megger cold stator winding insulation resistance value of not less than 50 megohms. 5) Check the oil in the oil chamber is suitable, the unit in a vertical position when the oil level should be flush with the fuel inlet. 6) submersible pumps with cooling water cover must ensure that the boot continued into the clean cold water, drain and ensure the smooth flow of the cooling water should flow into the lower side, the other side the upper outflow. 2, after the normal operation of the pump precautions should always observe the power supply voltage, current, pump flow and pump vibration is normal, if one of the following occurs, should immediately stop inspection: 1) operating current exceeds the rated current. 2) The rated head, flow reduced by more than 20% or intermittent water. 3) Power supply voltage is too high or too low. 4) The pump has obvious vibration or noise 3. Installation Notes 1) Electrical wiring: Electrical wiring shall be formally electrician circuit diagram construction, installation process should always detect the insulation resistance, the installation is complete, measure the insulation resistance of not less than 5 megohms . Lift pumps, jog observe steering pump from the motor rotates clockwise direction looking down, steering right, replace any two of the three-phase power supply connector. 2) Do not use the pump cable from the sling as the installation and use, to avoid danger. 3) The pump should be vertical into the water, not allowed to be placed horizontally, not fall into the sludge, when the pump is moving, you must cut off the power supply 4, storage Notes 1) pump after repeated use, it must be placed in clean water run for several minutes, to prevent leaving deposits inside the pump, ensure pump clean. 2) Long-term when not in use, it should be removed from the water pump to reduce the chance of stator winding is damp, increasing pump life. 3) Under normal operating conditions, the pump work after a year, should be for maintenance, replacement of worn consumables, check fastened state, to supplement or replace bearing grease and oil chamber in the insulating oil, ensure pump the good functioning of five performance parameters: Model Flow M3 / h Head m Power kw Speed ??rpm Weight kg 50 RQW 15-15-1.5 15 15 1.5 2840 30 50 RQW 18-15-1.5 18 15 1.5 2840 30 50 RQW 25-10- 1.5 25 10 1.5 2840 30 50 RQW 15-22-2.2 15 22 2.2 2840 35 50 RQW 20-15-2.2 20 15 2.2 2840 35 50 RQW 25-15-2.2 25 15 2.2 2840 35 50 RQW 42-9-2.2 42 9 2.2 1420 60 80 RQW 37-7-2.2 37 7 2.2 1420 60 50 RQW 15-25-3 15 25 3 2840 58 50 RQW 40-12-3 40 12 3 1420 66 80 RQW 50-10-3 50 10 3 1420 66 80 RQW 43-13-3 43 13 3 1420 70 80 RQW 70-7-3 70 7 3 1420 66 50 RQW 24-20-4 24 20 4 1440 90 50 RQW 30-16-4 30 16 4 1440 90 50 RQW 40-15-4 40 15 4 1440 90 80 RQW 60-13-4 60 13 4 1440 90 100 RQW 70-10-4 70 10 4 1440 100 100 RQW 100-7-4 100 7 4 1440 100 65RQW15- 40-5.5 15 40 5.5 1440 110 65RQW10-50-5.5 10 50 5.5 1440 110 50 RQW 25-30-5.5 25 30 5.5 1440 110 80 RQW 70-12-5.5 70 12 5.5 1440 110 80 RQW 30-22-5.5 30 22 5.5 1440 110 100 RQW 65-15-5.5 65 15 5.5 1440 110 100 RQW 120-10-5.5 120 10 5.5 1440 110 150 RQW 140-7-5.5 140 7 5.5 1440 120 50 RQW 40-30-7.5 40 30 7.5 2910 150 80 RQW 50-22-7.5 50 22 7.5 1440 150 100 RQW 100-10-7.5 100 10 7.5 1440 150 150 RQW 145-10-7.5 145 10 7.5 1440 180 150 RQW 210-7-7.5 210 7 7.5 1440 180 100 RQW 80-20-11 80 20 11 1460 250 100 RQW 50-35-11 50 35 11 2930 250 100 RQW 70-22-11 70 22 11 1460 250 100 RQW 110-15-11 110 15 11 1460 300 200 RQW 300-7-11 300 7 11 1460 350 100 RQW 87-28-15 87 28 15 1460 350 100 RQW 100-22-15 100 22 15 1460 350 150 RQW 140-18-15 140 18 15 1460 380 200 RQW 150- 15-15 150 15 15 1460 380 150 RQW 200-10-15 200 10 15 1460 380 200 RQW 400-7-15 400 7 15 1460 400 150 RQW 70-40-18.5 70 40 18.5 1470 430 200RQW250-15-18.5 250 15 18.5 1470 450 200RQW300-10-18.5 300 10 18.5 1470 450 150RQW130-30-22 130 30 22 1470 500 150RQW150-22-22 150 22 22 1470 500 200RQW400-10-22 400 10 22 1470 500 200RQW250-15-22 250 15221470500 VI Structure Description: The main component is a motor oil chamber, mechanical seals, over-cut thermal protection, pump body, impeller, the front cover, such as stents, both nesting and broken impeller two functions, the front cover water inlet means has a triangular fixed knife, weeds, fiber at high speed impeller broken discharge effluent through the motor housing, the motor heat away. Seven, use: 1, 50 Hz, 380 volt three-phase power supply, pump cable with a black or green and yellow wire is the ground wire before use must be grounded. In use, paying particular attention to the protection of the cable, in order to improve the life of the pump. 2, in order to use the security, the pump was working in a place such as the use must be equipped with leakage protection. 3, before the dive, first try reversing transmission, make sure the steering direction is consistent with the signs, and then into the water. Reversible pump can drain due, but in the reverse motor running overload, and therefore can not be reversed using. 4, pump at work if you suddenly no water, may be the fuse blows, single run, the motor unburned protection action, disconnect the power, then turn off the power to carry out checks in a timely manner. 5, the pump can be vertical and horizontal dual-use, be sure to dive into the water to work continuously, as the water level is very shallow, can intermittent use, carry out the examination, the enclosure does not overheat. 6, the pump motor is equipped with air-type motor cavity without filling oil or water, in order to use the security, and should not in any entry, contact the manufacturer for repair if necessary. Eight, maintenance and repair: 1 in order to extend the service life, must be made in case of pump failure or after inspection by the long-running 2500 hours at work, the program is as follows: 1. Remove the pump head section check the pump bracket and front cover, unscrew impeller nut, impeller out, check the impeller, shaft, pump, observe wear and corrosion, whether it can continue to use. 2. Check the motor part A, remove the oil chamber plugs, internal release oil, unscrew the oil chamber connecting nut and gently along the axis scored oil chamber, do not use hammer beat. B, the oil chamber equipped with two mechanical seals, a carbide, the other a graphite ceramics, check their wear and the seals. C, open motor cover, check the cable connector is loose, check the unburned protection connector is loose, remove the partitions, slowly out of the rotor, check the bearing wear, high temperature grease filling south ZN6-4 D, all the checks is completed, according to the reverse order of disassembly assembling motor oil chamber, we must ensure that the mechanical seal and seal tightness. E, assembled, the rotor should be flexible rotation, then plugs from the oil chamber of the inflatable pneumatic test done, pressure 0.2Mpa, one minute, observe the seams, look no leakage. F, 10, oil chamber filling machine oil, the number is 80% of the volume of the oil chamber. G, tighten the plugs, the raw tape to be wound seal to ensure tightness. Nine, causes and remedies Fault: Symptom Cause Remedy No water or the water is less than 1, the intake was clogged 2, sludge outlet pipe is blocked 3, impeller off 4, 5 motor reversal, sludge concentration is too big one, moving body, remove debris 2. Remove the outlet pipe rinse 3, tighten the impeller nut 4, 5 thread exchange with water to dilute the discharge motor does not turn or overcurrent 1, motor phase 2, motor winding burn Bad 3, low voltage 4-phase motor stator and rotor rub 5, 6 sludge concentration is too large, long fibers wrapped around the impeller is 7, unburned protection malfunction 1. Check the power switch fuse 2, replace the motor windings 3, adjusting voltage or deactivate 4, check and replace the bearings 5, 6 dilute with water to clear debris impeller 7, is not running smoothly without or replace 1, 2 motor reversal, the impeller corrosion eccentric 3, there is a large sewage particles 1, exchange thread 2 Replace impeller 3, the mobile pump or remove large particles