How Much Does a Vacuum Pump Cost？
Circulating water vacuum pumps, rotary vane vacuum pumps, and diaphragm vacuum pumps are often referred to as "laboratory vacuum pumps", because in scientific research and laboratories, they are often used in gas circulation, gas sampling, suction filtration, and indirect vacuum pumping. Collectively known as laboratory vacuum pumps. Laboratory vacuum pumps, namely micro vacuum pumps, are generally powered by DC motors. The DC motor is small in size, light in weight, easy to carry, and DC is also a safe voltage. Below we introduce how much each of these three vacuum pumps cost.
Circulating water vacuum pump:
The vacuuming principle of the circulating water vacuum pump is different from that of the jet type air extractor, and it still belongs to the centrifugal mechanical pump. The impeller rotor is eccentrically installed in the cylindrical pump casing, and its blades are forward curved. When the impeller rotates, the working water forms a water ring swirling along the pump casing under the action of centrifugal force. Due to the eccentric position of the impeller, the water ring runs relatively to the blades, so that the space volume between two adjacent blades changes periodically. It is like a liquid "piston" reciprocating radially in the cascade.
Advantages of circulating water vacuum pump:
1. Recycle water and save precious water resources.
2. Compared with other types of vacuum pumps, it saves more than 35% of electricity.
3. Special fluid muffler to reduce gas in water.
4. Acid, alkali and solvent corrosion resistance.
5. The special motor is produced by a well-known motor manufacturer, sealed with fluorine rubber, and there is no corrosive gas intrusion inside the motor.
6. The water in the sink needs to be replaced regularly to ensure the purity of the water quality, ensure the vacuum degree, and avoid scale stains.
7. The pump body is made of PP material, and the ejector and exhaust nozzle are made of stainless steel, which is more suitable for acid gas.
Circulating water vacuum pumps are divided into vertical circulating water vacuum pumps and desktop circulating water vacuum pumps. There are two types of desktop circulating water vacuum pumps: SHZ-D and SHZ-D. There is one type of vertical circulating water vacuum pump: SHZ- C. The price of vertical circulating water vacuum pump is 100-3500 dollars, and the price of small vertical circulating water vacuum pump is 100-300 dollars. The price of low temperature coolant circulation pump is about 3000 US dollars. The price of a desktop circulating water vacuum pump is 100-800 US dollars, depending on the model size and function.
Rotary Vane Vacuum Pump:
The rotary vane vacuum pump is mainly composed of stator, rotor, rotary vane, etc. Two rotary vanes are installed in the rotor slot, and the rotary vane spring is placed between the two rotary vanes. The rotor and the rotary vane separate the air inlet and the air outlet on the stator into two parts. Rotary vane vacuum pump is the main equipment for extracting gas in closed container to obtain vacuum. It can be used for various vacuum operations such as vacuum coating, light bulbs, thermos, electronic tubes, medical treatment, chemical industry and laboratory. This pump can be used alone or as the backing pump of booster pump and molecular pump. It is not suitable for pumping gas with high oxygen content, explosive gas, and particle dust which is corrosive to metal. Its ultimate pressure can reach 0.06pa.
Precautions for rotary vane vacuum pump:
1. Start 1~2 times intermittently, observe whether there is any abnormal sound and special vibration during operation, and it can run continuously if there is no problem.
2. Note that the oil level should be between the two oil mark lines of the sight glass. Too much oil will cause problems such as difficulty in starting, oil return, and oil injection. If it is too small, it will affect the vacuum degree. When the amount of oil is insufficient, it should be refueled through the filler hole. Note that the oil level of the pump that has been stopped for a long time should drop, and the oil level will only rise after the pump is continuously operated for several revolutions.
3. Turn on the cooling water.
4. Open the valve on the inlet nozzle of the pump, and the size of the opening depends on the specific situation.
The price of rotary vane vacuum pump is 100-900 US dollars, and the price of general vacuum pump is about 200 US dollars.
Diaphragm vacuum pump:
The diaphragm vacuum pump is a circular motion of the motor. Through the mechanical device, the diaphragm inside the pump reciprocates, thereby compressing and stretching the air in the pump cavity to form a vacuum, and a pressure difference is generated between the air suction port and the external atmospheric pressure. Under the action, the gas is sucked into the pump cavity, and then discharged from the exhaust port.
Diaphragm vacuum pumps have four obvious characteristics:
1. The pressure is high, and in some cases, it can even reach five or six kilograms, while in comparison, ordinary products are only one-sixth or one-fifth of that.
2. Energy saving, the micro diaphragm pump has the effect of energy saving. It can be clearly seen in use that the power consumption of the micro diaphragm pump is relatively small, only 1.6 to 2 amperes, which is much less than the power consumption of ordinary products.
3. Intelligent design, in terms of design, the micro diaphragm pump is relatively limited. After the power is turned on and the switch is turned on, if the liquid medicine switch is turned on at this time, it will work normally. Therefore, the possible pressure on the water outlet pipe is reduced, and it will not affect the hose. If the switch of the liquid medicine is continued to be turned on at this time, it will operate normally to the original pressure.
4. Long life, the problem of life is the soft underbelly of many pumps. Due to the lack of performance or materials, the products with short pump life are great, while the micro-diaphragm pump has a longer life, and the motor life can even be For more than 10 years, ordinary products are far less than 10 years old. Of course, regular maintenance is required during the period to ensure the normal operation of the equipment.
5. High cost performance, because the operation of the micro diaphragm pump is relatively stable, and the working time is long, it can run continuously for a long time, and the current passing through it under strong pressure is relatively small, and it is resistant to high temperature, corrosion, and noise. The reasonable structure inside the pump body reduces the wear degree of the pump body itself.
Diaphragm vacuum pumps are divided into two series: DP and MPC series. The price of diaphragm vacuum pump is 400-9000 US dollars, the capacity and material of the product are different, and the price is also different. If you need it, welcome to consult, we will provide you with the most professional service.
