TRP-150 Air-Cooled Roots Vacuum Pump Efficient Vacuum Solution for Metallurgy and Heat Treatment

This article conducts an in-depth analysis of the TRP - 150 air-cooled roots vacuum pump, covering detailed technical parameter explanations (such as pumping speed, pressure, etc.), working principles (including pressure difference and cooperation modes), unique product features (oil-free, compact, stable, etc.), wide application fields (vacuum processing in multiple industries), and presenting answers to frequently asked questions, enabling you to deeply understand the practical application value of this pump in production.

Technical Specification Table：

Working Principle

1. Basic Operation Mechanism

The TRP series roots vacuum pump has two "8"-shaped rotors installed perpendicular to each other on a pair of parallel shafts, and driven by a pair of gears with a transmission ratio of 1:1, rotates in opposite directions synchronously. A certain gap is maintained between the rotors, between the rotors and the pump chamber wall. When the pump rotates at high speed, the processes of gas suction and exhaust are realized, and the gas in the system is drawn out.

Specifically, when the rotors are in positions I and II, the internal volume on the inlet side increases, and gas is drawn in under the action of pressure difference. As the rotor continues to rotate, when it reaches position III, a part of the volume is isolated from the inlet side; when the rotor reaches position IV, this isolated volume opens to the side of the exhaust port, allowing gas to flow in; as the rotor rotates further, the gas is expelled through the exhaust port. For each full rotation of the rotor, this process is repeated more than twice.

2. Pressure Difference Control Mechanism

In the design of roots pumps, the pressure difference between the inlet and exhaust ports is limited. Similar to the JRP series roots pump, a bypass valve (2) is installed between the inlet and exhaust ports of the TRP series roots pump. When the pressure difference between the inlet and exhaust ports reaches a certain value, the bypass valve opens automatically. At this time, part of the exhaust port gas flows back to the inlet port through the bypass valve and the backflow passage (1). The purpose of this is to reduce the operating load of the roots pump and the forepump under high pressure difference, and at the same time ensure that the vacuum pump and the forepump can start simultaneously without overload.

3. Cooperation Mode

Due to the characteristics of the roots pump itself, it cannot operate independently and must be combined with a forepump (such as a rotary vane pump, a slide valve pump, a water ring pump, etc.) to form a roots pump unit.

If a higher vacuum degree is required, two roots pumps can be connected in series to form a three-stage roots pump unit. This series combination can fully utilize the advantages of the two roots pumps to achieve accurate control of a higher vacuum degree, meeting the extremely strict requirements of some production or experiments for the vacuum environment.

(III) Product Features

1. Oil-Free and Pollution-Free

In the design and operation of the TRP - 150 air-cooled roots vacuum pump, great attention has been paid to preventing pollution of the vacuum system. There is no friction between the internal rotors and the pump chamber or between the rotors themselves. Therefore, no lubricating oil is required, ensuring that there is no oil in the pump chamber and avoiding pollution of the vacuum system, keeping the vacuum system highly pure.

2. Compact Structure and Flexible Installation

The structure of this pump is very compact and small in size. This design advantage enables great flexibility in installation. Users can install it either horizontally or vertically. Whether it is a small laboratory with limited space or a large industrial production site with a complex equipment layout, a suitable installation location can be easily found.

3. Stable Performance and Low Noise

Thanks to advanced dynamic balance technology and exquisite manufacturing technology, the dynamic balance performance of the TRP - 150 air-cooled roots vacuum pump is excellent. During operation, it can maintain a stable operating state with very small vibrations and low noise, providing a quiet and comfortable working environment for users and reducing possible negative impacts on surrounding other equipment.

4. Able to Evacuate Special Gases

This roots vacuum pump has the ability to evacuate condensable gases and other special gases. In many industrial production and scientific research and experimental scenarios, situations where special gases need to be handled often occur. The characteristic of this pump greatly expands its application scope in the above fields.

5. Rapid Start-Up

In order to improve production efficiency and reduce the start-up waiting time, the start-up performance of the TRP - 150 air-cooled roots vacuum pump has been carefully designed. It can start up very quickly and reach the ultimate pressure in a short time, allowing users to start production or experimental operations faster, effectively shortening the interval between equipment start-up and formal operation, and greatly improving the efficiency of the entire production or experimental process.

6. Energy-Economical and Energy-Saving

In the design and manufacturing process, the TRP - 150 air-cooled roots vacuum pump has fully considered the energy utilization efficiency and operating costs. The power of its equipped motor is only 1.1 kW, which is relatively small, meaning that the electricity consumed during operation is relatively low. At the same time, due to the stability of the pump's performance, the subsequent operating and maintenance costs are not high. From a long-term usage perspective, this saves users a considerable amount of energy and capital costs, with significant economic advantages.

7. Safe and Reliable

Safety and reliability are important characteristics of the TRP - 150 air-cooled roots vacuum pump. To ensure the safety of equipment operation, the pump is equipped with a bypass valve. When an abnormal situation occurs in the system and the pressure becomes too high, the bypass valve automatically opens to perform overload protection, effectively preventing equipment damage caused by overload and ensuring the safe and stable operation of the entire vacuum system.

(IV) Application Scope

The TRP - 150 air-cooled roots vacuum pump, with its excellent performance, is suitable for vacuum systems that require a large pumping speed at low inlet pressure and can be used as the main pump or the forepump. It has a wide range of applications in many industries:

· ​Food Industry: Plays an important role in vacuum smelting, vacuum freezing, vacuum drying, etc., ensuring the quality and safety of food processing.

· ​Chemical Industry: Applied in process such as vacuum distillation, vacuum concentration, and vacuum evaporation, providing a stable and reliable vacuum environment for the production of chemical products.

· ​Pharmaceutical Industry: Meets the strict requirements of the production environment and product quality in production processes such as vacuum coating and vacuum heat treatment.

· ​Textile and Light Industry: Helps to improve the quality of textile products in application scenarios such as vacuum dust removal and vacuum impregnation.

· ​Other Industries: It is also widely used in production processes in many fields such as electronics manufacturing and vacuum packaging, showing its strong adaptability and practicality.

(V) Common Problem Solutions (10 questions)

Q1: What is the maintenance interval of the TRP - 150 air-cooled roots vacuum pump?

A：Under normal operating conditions, it is recommended to perform routine inspection and maintenance on the pump every 3 to 6 months. The specific frequency can be adjusted appropriately according to the actual usage.

Q2: What is wrong when abnormal noise occurs during the operation of the pump?

A：It may be caused by wear of the internal components of the pump, damage to the bearings, or foreign matter falling into the pump. It is necessary to check the status of the internal components of the pump. If there is a problem, replace or repair it in time.

Q3: How to determine if the bypass valve works normally?

A：You can determine by monitoring the operating parameters of the pump. Normally, when the pressure difference between the inlet and exhaust ports reaches the set value, the operating state of the pump should change accordingly to reflect the opening of the bypass valve. You can also use professional valve testing equipment to perform tests.

Q4: Can a pump with better performance than the recommended forepump be used as a forepump?

A：Yes, but it is necessary to ensure that the new forepump is compatible with the TRP - 150 air-cooled roots vacuum pump in aspects such as pressure matching and flow rate to avoid abnormal operation.

Q5: What should I do if the oil consumption of the pump is too high?

A：Check whether the oil is leaking due to seal damage or whether the oil grade does not meet the operating requirements of the pump. If it is a seal problem, replace the seal in time; if it is a problem with the oil, replace it with the appropriate oil.

Q6: Can multiple TRP - 150 air-cooled roots vacuum pumps be connected together for operation?

A：Yes, multiple pumps can be connected in series or parallel to achieve higher flow rate or ultimate vacuum degree. However, it is necessary to be equipped with an appropriate control system to coordinate the operation of the pumps.

Q7: What should I pay attention to when using in a low-temperature environment?

A：The low temperature may cause the viscosity of the oil to increase. Before starting, ensure that the oil temperature reaches an appropriate temperature for the working condition. If necessary, preheat the pump.

Q8: What is the reason for the sudden drop in the efficiency of the pump?

A：It may be due to blockage of the filter screen, resulting in poor gas intake, wear of the blades, or seal leakage. It is necessary to check the relevant components and perform corresponding maintenance and replacement.

Q9: How to extend the service life of the pump?

A：Use it strictly in accordance with the operating procedures and perform regular maintenance, including timely replacement of worn components, cleaning of the pump body, and use of appropriate oil.

Q10: What is the maximum vacuum degree that the pump can withstand?

A：Depending on different working conditions and configurations, there will be a certain difference in the maximum vacuum degree. For specific details, please refer to the product technical manual or consult the manufacturer's technicians.