Product Overview
LQRY Thermal Oil Circulation Pump is a vertical centrifugal pump designed for the efficient circulation of thermal oils, ensuring high-temperature resistance and long-term reliable operation in industrial heating systems.
It solves the problem of maintaining optimal heat transfer efficiency and system reliability in high-temperature environments where continuous fluid circulation is required.
Ideal for applications in heating systems, petrochemical plants, and various high-temperature industrial processes requiring consistent thermal oil circulation.
Model Designation
Applications
• Thermal oil heating systems in industrial plants
• Chemical processing plants requiring consistent heat transfer
• Petrochemical industries for high-temperature fluid circulation
• Power generation facilities using thermal oil for heat exchange
Engineering Advantages
• High-temperature resistance ensures the pump operates efficiently in thermal oil circulation systems without risk of breakdown.
• Optimized centrifugal design improves flow efficiency and minimizes energy consumption, offering cost savings over time.
• Reliable sealing system prevents leaks and ensures safe operation under high-pressure conditions.
• Durable construction using corrosion-resistant materials ensures long-lasting service even in harsh thermal environments.
System Components
The LQRY Thermal Oil Circulation Pump includes the following main components:
• Pump casing and impeller assembly
• Thermal oil resistant mechanical seals
• Motor and drive shaft
• High-temperature resistant bearings
• Pressure relief valve for system protection
Technical Parameters
Service Conditions
• Liquid Type: Thermal oil
• Installation: Vertical
• Ambient Temperature: ≤ 50°C
Operating Conditions
• Flow Rate: 5 – 200 m³/h
• Head: 10 – 80 m
• Power Range: 5.5 – 75 kW
• Speed: 1450 rpm
• Liquid Temperature: ≤ 350°C
• Working Pressure: ≤ 1.6 MPa
Detailed parameter tables are provided below.
Specifications & Installation
Outline Drawing
Performance Data
| 1 | Pump Body | 2 | Cap Nut | 3 | Impeller | 4 | Plug | 5 | Thermal Ring | 6 | Flat Key |
| 7 | Pump Cover | 8 | Elastic Ring | 9 | Aluminum Gasket | 10 | Pressure Ring | 11 | Gasket | 12 | Nut |
| 13 | Washer | 14 | Bolt | 15 | Bolt | 16 | Pump Shaft | 17 | Ball Bearing | 18 | Bearing Seat |
| 19 | Gasket | 20 | Aluminum Nameplate | 21 | Rivet | 22 | Mechanical Seal | 23 | Bolt | 24 | Support Foot |
| 25 | Gasket | 26 | Oil Guide Pipe | 27 | Screw | 28 | Gasket | 29 | Rubber Seal | 30 | Bearing Cover |
| 31 | Gasket | 32 | Pump Coupling | 33 | Flat Key | 34 | Elastic Block | 35 | Motor Coupling | 36 | Cover |
| 37 | Screw | 38 | Motor | 39 | Bolt | 40 | Bolt | 41 | Gasket | 42 | Base |
| 43 | Gasket | 44 | Elastic Stop Ring | 45 | 46 | 47 | 48 |
How to Select a Pump Model
• Determine required flow rate based on system design and heating requirements.
• Select appropriate head range based on the height and pressure requirements of the thermal oil circulation system.
• Ensure the motor power matches the system’s power needs for efficient energy use.
• Consider maximum operating temperature to select a pump with suitable thermal oil resistance.
Engineering Notes
• Regularly monitor oil temperature to ensure optimal operating conditions.
• Check for signs of wear on seals and replace them regularly to prevent leaks.
• Inspect and clean the pump regularly to maintain peak efficiency and prevent buildup of impurities.
• Avoid dry-running conditions to protect the mechanical seals and internal components.
Compliance & Quality Assurance
• Factory performance tests to verify pump efficiency and durability.
• Hydraulic performance testing ensures the pump operates within expected parameters.
• Material traceability for all key components.
• Third-party inspections available upon request for added reliability.
Safety Notice
• Do not operate under dry-running conditions to avoid damage to internal components.
• Ensure the pump is primed before starting to prevent cavitation.
• Disconnect power before servicing to ensure safety during maintenance.
• Install proper temperature and pressure gauges for real-time monitoring.
OEM & Custom
This pump series supports engineered configuration and duty-based matching.
Available options include:
• Motor voltage & frequency
• Mechanical seal type and configuration
• Wetted parts material selection
• Surface coating and corrosion protection
FAQs
Q: What is the maximum allowable liquid temperature for this pump?
A: The maximum liquid temperature is 350°C.
Q: Can this pump operate under variable frequency control?
A: Yes, it is designed to operate with VFD control for energy efficiency.
Q: What sealing options are available for this pump?
A: The pump features high-temperature mechanical seals.
Q: Can this pump handle viscous fluids?
A: Yes, the pump is designed for handling thermal oils and other similar viscous fluids.
Q: What is the maintenance schedule for this pump?
A: Regular maintenance every 6 months, including inspection of seals and cleaning.