Which is a professional manufacturer of water pump

1. First, find out whether the motor burns the bearing (mechanical fault) or the coil (electrical fault). If it is the fault of burning coil, it is mainly caused by overcurrent, sometimes too high or too low voltage will also cause the coil to heat and short circuit, so check that the voltage when running is too different from the rated voltage.There may be several reasons for over-current short-circuiting: A. the equipment is overloaded to make the motor run for a long time at rated or over rated current. In particular, the starting current of the motor is 3-5 times that of the rated current. Therefore, we should try to avoid running with load or full load when starting the equipment (mainly depending on the matching allowance of rated current and normal operating current of motor). B, the motor works in a wet working environment. The insulation of the coils should be checked before the motor starts. The insulation requirements of different voltage grades are also different. May r...

1,Chilled water pump: a device that drives the circulation of water in a chilled water loop. The end of an air conditioning room (such as a fan coil unit, an air handling unit, etc.) requires cold water from the chiller. However, refrigerated water does not flow naturally due to the limitation of resistance, which requires the pump to drive the cooling water for circulation to achieve the purpose of heat transfer. 2,The cooling water pump in cooling water loop drive water device for circulating cooling water. As we know, take part in the refrigerant heat chiller, cooling tower and flows into the heat release. The cooling water pump is responsible for driving the cooling water circulating in the cooling tower and the unit closed loop shape. With the chilled water pump. 3,Feeding water pump: air conditioning water supply device, responsible for the treatment of soft water into the system. The commonly used pumps are horizontal centrifugal pumps and vertical centrifugal pumps, which can ...

1. Overload protection When the motor runs over the rated current for a long time under the overloaded fault, it will cause the motor to overheat, reduce the insulation and burn down. The protector calculates the thermal capacity of the motor according to the heating characteristics of the motor. The characteristics of different tripping levels corresponding to the protection of the motor by simulating the heating characteristics of the motor and the overload protection. 2 . Underload protection When the load of the motor is the pump type load , the motor no – load or under – load transfer is harmful , the protector provides under – load protection , and when the percentage of the average current of the three – phase and the rated current is lower than the set value , the protector shall operate within the action ( delay ) setting time or alarm within the alarm time . 3, blocking / blocking protection When the motor is starting or running, if the electric timing shaft is jammed be...

The drainage design of the basement of the building is an important part of the whole building drainage design . The basement not only has equipment room ( including substation , air - conditioning room , water pump house , etc . ) , and many other basement is usually used as a garage during wartime as a protection unit . Because of the lower elevation of the basement of the building , the drainage of the basement can not be discharged to the municipal pipe network by gravity . Generally , the basement is provided with a drainage and drainage system . The drainage means that the water infiltrated into the basement is introduced into the water collecting well through the intercepting ditch , and the water is discharged to the outdoor municipal drainage channel by a water pump . The type of drainage in the basement of the building , the drainage of the basement of the building is roughly divided into the following types : 1. Domestic sewage. The sewage produced by the basement toilet,...

First method(simplest one) Self-priming sewage pump vacuum pump is arranged in the water pipeline, water pump start before the vacuum pump starts to pump water pipe Neixianbu with water, to ensure that the water pump, quick start. This type of water absorption requires a perfect automatic control system to ensure normal work. Second method(more simple) The self – priming pump reduces the water inlet pipe curve , the fall height and the horizontal interval. Third way( Trouble, but it works.) The self-priming pump is equipped with a water suction tank in front of the pump. In this way, a suction tank should be installed on the pump suction pipe. Before the first operation of the pump, the tank should be filled with water manually, and after the first operation the tank should be stopped. Since the intake pipe of the suction tank is higher than the water level inside the pipe,the water in the tank will not flow back into the pool, so the water can be stored in the tank, and beca...

In recent decades, China’s property market has entered a rising rapidly, the purchasing power exuberant state. However, due to the recent weakness in the market, the property market began to gradually slow down, into a stable, and even occasional decline stage. Recently, one of my friends suddenly called me and excitedly told me that he had taken a fancy to a house in the neighborhood,the real estate belongs to Poly property, it is said that the property just opened, it attracted many buyers of onlookers.in just a few days, the house has been sold out.My friend has been on the sidelines all the time, as he has a set of property, not anxious to buy second sets of houses,instead, he chose carefully and wanted to buy one sets around the good evironment,he wanted it is a quality and residential environment are both very good house.I don’t know why he has taken a fancy to this neighborhood recently. My friend was excited to invite me to go with him to purchase procedures,So, we came to t...

To deal of all kinds of pump unit accident and abnormal operation,is a basic skill requirement to the pump operator , if you do not have this skill, the misoperation in operation will cause accidents caused by man-made accidents and expand, it is difficult to estimate the consequences and huge economic losses. 一, the matters needing attention in the safe operation of the pumping station 1, before entering the operation, check the inlet and outlet tank has the condition of water passing, there is no serious siltation and whether the gate should be opened or closed. Upstream and downstream have no effect on safety. There is no ship detention, no fish and swimmers, and no influence on the floating objects running, so as to meet the requirement of start-up. 2, the pump should be carried out before each start turning, small and medium-sized units by human. In general manual turning start unit, the use of human motor will turn a few laps, to determine the unit (including the pump, motor a...

Pump is a device that raises, transfers, delivers, or compresses fluid.It usually raise liquid from low position and transfer liquid to highier position,most of pumps are electric pump. Pumps can used in agriculture:irragation;running water project:water raise,water transfer,water distribution,water pressure booster;waste water treatment:dirty water pump,drain water,transfer water,water filtration,like ro booster pump;Heat power station:boiler feedwater,coolant water,recycled water,clean ash;Mine and steelworks:drain water,hydraulic coal mining,Steel dephosphorization;oil industry:drilling project,oil transfer,water supply,oil suction,oil refining;chemical industry:chemical liquid,heat liquid,cool liquid.metal smelting;shipping industry:boiler feedwater,raise coolant water,tranfer recycled water,oil goods,clean ship cabin,balance the water go by ship, push ship forward;construction industry:drain water,dredging,concretion,shower pump; building equipment:boiler feedwater,building w...

The winter is coming, do you worry about that when you use the pump under low temperature conditions ,the pumps are easy to be frozen and the pump body is easily be cracked? Don’t worry ,we have find some ways to prevent these circumstances. 1,We should run all water out of pipes and pump tunnels, after the Self suction booster water pump is discontinued in winter.it can prevent the pipe or pump body to crack when the water fozen ,and clean up the dust and dirt on the surface of the pump or pipes. 2,We should have regularly checking for the pump,we should examing the impeller, bearing, sealing ring, valve and other vulnerable parts. If there is serious wear of cast iron components or surface rust, the parts should be replaced as soon as possible.The clean the pump by gasoline,after that we paint some anti-freezing oil to the parts then fixed it. 3,For the pump cavity, connecting parts and other cast iron parts,we use the steel brush to clean up the rust, then coat them wi...

1,The centrifugal pump operator should familiar with the structure of centrifugal pump,and know the performance of the pump,he/she must get a operation licence of pump. 2,Opertor must know how to manage pump system,how to use pump, how to check pump problems,how to maintain a pump system. 3,Operator should follow the principle and laws of the pumps,espcially the local policy. 4,Operator should work strict under the rules of operation guide and follow the sequence to test and maintain and install the pump. 5,Every operation should be recorded in files,to make the successor know the situation of pumps. 6,Overload operation is forbidden. 7,The booster pump should not install a out of date pressure gage,and will be operate in the period of validity. Jiangxi Gelaili pump industry co.,ltd produce centrifugal water pump ,we have CDL,CDLF series,CHL,CHLF series stainless steel water pump ,can be used as ro booster pump, shower pump,fire pump, coolant pump ,aquarium water pump and so on...

No water or few water out from pump: 1,Check the oulet pipe ,inlet pipe whether there is block in the pump ,remove the block. 2,Check the rotate direction of the motor,and is there open phase/default phase problem,adjust the direction of motor,fix electric wire. 3,Check the suction pipe,see if there is location leak air,tighten the seal surface,exhaust air. 4,The pump is not filled with liquid,there is still air inside,open the air evacuation valve to fill the liquid of the pump. 5,Inlet supply is lack of liquid,the distance from liquid surface to pump is too long,the suction head lift will be declined if the pipe is too long,we usually design the suction pipe with sortest distance from liquid surface to pipe inlet.so,stop the pump system,exam and adjust the pipe. 6,The resistance of pipe net is very big,and the type of pump chosen is not fit.do not use too many pipe bends,and choose a type of pump fits the system. The pump flow is very low: 1,Check the pump and pump system as...

Booster pump and circulating pump, as the name suggests, have different performance, in the installation position, scope of application, operation and control and so on have their own characteristics, with obvious difference. 1. working principle Circulating pump: circulation refers to the role of the pump, centrifugal refers to the structure of the pump, the two are completely two concepts. The working principle of the circulating pump to water circulating pump is called a circulating pump, such as water heating pipe in the hot water is circulating by the circulating pump up Booster pump: first liquid booster pump is full, and then start the fast rotating impeller, centrifugal pump, impeller blades driven by fluid rotation, the liquid is rotated by the inertia to flow to the outer edge of the impeller, the impeller from the suction chamber into the liquid at the same time, the force on the work of the liquid to liquid, and then the energy out of the impeller, the liquid the kinet...

Congo (DRC) Ministry of Health announced that 12, since July 11th, the eastern part of the country has reported 3140 cases of cholera cases, at least 117 people were killed. Announcement said, due to the power shortages, goma, north Kivu province, drinking water supply is disrupted, after residents use contaminated water, the rapid outbreak of cholera. Although the authorities took measures, but the epidemic is still in the diffusion, the situation is not good. Cholera is due to the intake of food or water an acute infectious disease caused by the vibrio cholerae pollution, patients often appear the symptom such as vomiting, diarrhea, dehydration, high fever, severe or delayed treatment can cause death. Cholera spread and inadequate access to clean drinking water and sanitation facilities are closely related. African infrastructure is very backward in many countries, even the normal water supply and power supply will be affected. How to pervent this illness happe...

Today, we are faced with the problem of water pollution is very serious, in order to improve water quality, choose to use the pure water machine is more and more, water purifier purification efficiency is very high, the impurity can filter the water quickly, we ensure the sanitation of drinking water The working principle of the water pump is not complicated, because the water pump has many advantages, so it is widely used and has attracted the attention and recognition of many people. Principle of booster pump of pure water machine — working principle of booster pump of pure water machine The main work of pure water machine RO membrane pure water machine pump principle is the rotary motion of the motor rotor, drives the eccentric wheel swing motion, the eccentric swing wheel under the action of the motor’s rotary motion into reciprocating motion of the eccentric wheel of the eccentric wheel swing swing. In the static state, it has three circular steel fixed seat, center h...

When customers brought some water pumps, not necessarily immediately use the pumps, the centrifugal water pump may also be shelved in the warehouse for some time. Long storage in the warehouse can cause problems with the pump, one of which is water pump leakage. why long time not use water pump can cause water pump leakage? Because long time no use of pump,the pump tunnel has no water ,the mechanical seal or rubber seal and air oxidation,the rubber parts and pump spindle connected with each other.Users did not rotate the pump shaft by hand before start the pump,the motor pulls too much at the start, causing the rubber band to pull out,mechanical seal wear resulting in Water Leakage phenomenon. The users should pay attention to the pump , which is parking for more than a month, the pump shaft should be rotate by hand at first before start the pump, also note that the pump is forbidden working without liquid inside. If the mechanical seal is damaged already,we should change a n...

Why the outlet valve need to be closed when the first time of centrifugal pump started. Water pump Start closing pressure means when you start the centrifugal water pump at first time if there is no water in the pipeline,you ‘d better close the outlet pipe valve. Why？because at the first time ,there is no water in the pipe,in the case of zero flow, the electric pump head is the highest,the power is minimum,With the opening of the outlet valve increased,the flow rate increases, the head decreases, and the power increases, efficiency increases maximum,If the outlet valve is fully opened at firt time , the flow of the pump may deviate from the rated flow , the water pump efficiency is also reduced a lot, As a result, the shaft power is greater than the motor power, causing tripping or even burning the motor.Therefore, the operation rules of multistage centrifugal pumps require that the inlet valve be opened before starting, and the outlet valve shall be closed.However, the outlet val...

G-HL/HLK/HLF(T) series pump and G-CDL/CDLF series centrifugal water pump are made of stainless steel ,these pumps are high quality pumps.The pump life can be over 10 years,we had visit some long period co-operation customers,and find that they pumps are very new after even 4 years day and night working,almost like new buy one.Some customers use the pump as coolant pump,and some use the pump as shower pump,some also use the pump as ro booster pump. Some times ,these type of pumps have some mechanism seal lost,so we just need to change a mechanism seal for them,but this job requires some working ways,we should very carefully and make the mechanism seal very flat and smooth when it be intalled.if not the mechanism seal will be easily damaged. Jiangxi Gelaili pump industry co.,ltd produce centrifugal electric pump,we have CDL,CDLF series,CHL,CHLF series stainless steel pump,can be used as ro booster pump , shower pump,fire pump, coolant pump , aquarium water pump and so on,we also su...