Glass-Lined Paddle Agitator

Glass-Lined Equipment Customization

ASTM-Standard Steel Materials Carbon steel, alloy steel, stainless steel
Enhanced Enamel Formulations Superior resistance to corrosion, high temperature, acids and alkalis
Precision-Controlled Manufacturing Cold spray with curve firing for uniform enamel thickness and density

The paddle agitator is suitable for glass-lined reactors with capacities from 50l to 32000l. It is a versatile mixing solution for processes that require stronger axial circulation, balanced mixing performance, and good adaptability across different operating conditions. The paddle agitator is widely used in glass-lined reactors and is especially suitable for applications where stable circulation and broad process compatibility are important.

The paddle agitator combines a bottom impeller with multiple pitched blades to strengthen axial flow inside the reactor. This design helps move liquid downward, drive circulation along the vessel wall, and return the material upward to form a stable flow pattern. The paddle agitator is one of the most widely used agitator options for closed-type glass-lined reactors and can be used together with a baffle-type thermowell to further improve axial mixing performance.

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Features

Combined blade design for stronger circulation
The paddle agitator typically uses a three-blade backward-curved impeller at the bottom and can be configured with one to three layers of pitched blades above it. This structure helps balance discharge performance and overall circulation inside the reactor.
Stable axial flow pattern
The pitched blades push the liquid downward, while the bottom impeller throws the material toward the vessel wall and drives it upward again. This flow pattern helps create stable axial circulation throughout the reactor.
Widely adaptable for different process duties
The paddle agitator is a general-purpose agitator solution with strong adaptability, making it suitable for a wide range of mixing requirements in glass-lined reactors.
Structure suitable for glass lining quality control
The paddle agitator uses a flattened round-tube formed structure, which helps reduce stress concentration and supports better control of glass lining quality during manufacturing.
Reliable shaft and blade materials
The agitator shaft uses export-grade seamless steel pipe, which helps improve lining stability and consistency. The pipe ends use a closed-end head structure, which helps reduce stress concentration caused by thermal necking processes and lowers the risk of enamel chipping.

Technical Specifications

Size	Main Dimensions (mm)
Size	∅×S	H	H1	H2	H3	D	D1
K1000	80*8	1760	120	450	-	700	650
K1500	80*8	2170	135	450	-	700	650
K2000	80*8	2430	135	450	-	700	650
F3000	95*8	2620	135	550	-	700	650
F5000	95*10	3500	135	600	-	700	650
F6300	95*10	3850	135	650	650	700	650
F8000	110*12	3940	135	650	650	900	750
F10000	110*12	4120	135	650	650	900	750
F12500	110*12	4620	150	650	800	900	750
F16000	140*14	5560	150	800	1000	1000	850
F20000	140*14	5870	150	1000	1000	1000	850
F30000	160*14	6800	150	1000	1000	1200	1000
For shaft-end dimensions, see the agitator stand shaft-end drawing.

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Why Us

Certified manufacturing standards
We hold authoritative ASME (Section VIII Division 1) and CE (PED) certifications, ensuring full compliance with international safety and quality standards. This guarantees our glass-lined steel equipment meets the strict regulatory requirements of global chemical, pharmaceutical, and agrochemical clients.
In-House Enamel R&D Laboratory
Our dedicated in-house R&D center specializes in custom enamel formulations, including acid-resistant, acid-alkali resistant, high-temperature resistant, and wear resistant options. These proprietary formulas deliver exceptional durability against corrosive media, mechanical impact, and thermal shock, ensuring reliable performance in diverse operating environments.
Advanced Cold Spray Enameling Process
Our glass-lined equipment utilizes advanced cold spray enameling process with multiple high-temperature firing cycles. This technology ensures a thinner, more uniform, and denser enamel layer with significantly reduced risk of chipping or peeling. The controlled firing process guarantees optimal adhesion and long-term durability in the most demanding chemical processing conditions.

Precision Belt Polishing Pretreatment
Prior to enameling, every steel shell undergoes rigorous precision belt polishing to thoroughly remove mill scale, pits, and surface impurities. This meticulous pretreatment process ensures superior substrate smoothness and integrity, providing an ideal, contamination-free foundation for strong and uniform enamel bonding.
Multi-zone electric furnace control
The enameling furnace uses independent multi-zone control with computerized management of heating, holding, and cooling. The temperature difference inside the furnace is controlled within 5°C, helping maintain consistent firing quality.
Vertical firing process
All equipment is produced using a vertical firing process, which provides more even heating, reduces deformation, and helps maintain the overall appearance of the equipment as well as flange flatness.
Controlled slow firing curve
The firing process follows a low-temperature entry and low-temperature exit slow-firing curve. Combined with dedicated furnace tooling and controlled firing methods, this helps ensure enamel quality comparable to that of established international manufacturers.
Full-process quality management
We maintain a complete quality management system with full-process control. For glass-lined quality inspection, we apply three inspection procedures covering:
1. internal and external visible defects
2. enamel thickness
3. high-voltage spark testing
This helps ensure that delivered products meet required standards and specifications.
Custom non-standard equipment design and manufacturing
Custom design and manufacturing support is available for non-standard products. Based on different process requirements, tailored solutions can be developed for special equipment structures and agitator selection supported by CFD fluid dynamics simulation.
Strong R&D capability
We have strong research and development capacity and currently hold more than 40 national patents covering equipment tooling, products, and manufacturing processes.