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Filtration Equipment
Static Mixer Series
Product Overview

The mixing process in a static mixer is performed by a series of mixing units of varying sizes installed in a hollow pipe. The mixing units cause the fluid to rotate alternately, sometimes counterclockwise and sometimes counterclockwise, constantly changing flow direction. This not only pushes the central fluid toward the periphery but also pushes the peripheral fluid toward the center, resulting in excellent radial mixing. Simultaneously, the fluid's own rotation also occurs at the interfaces between adjacent components. This perfect radial circulation mixing action ensures uniform mixing of materials.

This static mixer is designed, manufactured and accepted in full compliance with the industry standard JB T7660-95 "Static Mixer".


[Application Scope]
Static mixers can be used in processes such as liquid-liquid, liquid-gas, liquid-solid, and gas-gas mixing, emulsification, neutralization, absorption, extraction, reaction, and heat transfer enhancement. They can be used in a wide range of viscosities and under various flow patterns (laminar, transitional, and turbulent) for both intermittent and continuous operation. The following briefly describes the scope of different applications.

(1) Liquid-Liquid Mixing
Good mixing can be achieved for fluids with viscosity in the range of 10 6 Mpa · s, from laminar to turbulent flow. Theminimum diameter of dispersed droplets can reach 1-2 μ m, and the size distribution is uniform.

(2) Liquid-Gas Mixing
Static mixers enable continuous renewal and full contact between the liquid-gas phase interface, and under certain conditions can replace bubble and sieve-plate columns.

(3) Liquid-Solid Mixing
When a small amount of solid particles or powder (solids occupying approximately 5% of the liquid surface area) is mixed with a liquid under turbulent flow, using a static mixer can force the solid particles or powder to be fully dispersed, achieving the desired extraction or decolorization of the liquid.

(4) Gas-Gas Mixing
Can be used to mix cold and hot gases, or different gas components.

(5) Enhanced Heat Transfer
The static mixer increases the contact area of the fluid, which increases the heat transfer coefficient. Generally speaking, for cooling or heating a gas, the heat transfer coefficient can be increased by 8 times if a static mixer is used; for heating a viscous liquid, the heat transfer coefficient can be increased by 5 times; for condensing a gas with a large amount of non-condensable gas, the heat transfer coefficient can be increased by 8.5 times; for heat transfer of polymer melts, the temperature and viscosity gradients on the pipe cross section can be reduced.

Product Overview

SV Type Static Mixer

The SV unit is a cylindrical structure assembled from corrugated plates of a specified specification.

Liquid-liquid and gas-gas phase heterogeneity are coefficients σX ≤ 1-5%.

Suitable for liquid-liquid, liquid gas, and gas gas mixing, emulsification, reaction, absorption, extraction, and enhanced heat transfer processes with viscosity ≤ 10² centipoise. dh≤3.5, Suitable for cleaning media with a concentration of ≤ 10² centipoise: dh≥5, The application medium may be accompanied by a small amount of non adhesive impurities.


Model Specifications
 DN dh Q Model Specifications DN dh Q
SV-2.3/20 DN20 2.3 0.5-1.2 SV-5~20/200 200 5-20 56-110
SV-2.3/25 DN25 2.3 0.9-1.8 SV-5~20/250 250 5-20 88-176
SV-3.5/32 DN32 3.5 1. 4-2.9 SV-5~30/300 300 5-30 125-250
SV-3.5/40 DN40 3.5 2.2-4.5 SV-7~30/350 350 7-30 173-346
SV-3. 5/50 DN50 3.5 3.5-7 SV-7~30/400 400 7-30 226-452
SV-5/80 DN80 5 9-18 SV-7~30/500 500 7-30 353-706
SV-5/100 DN100 5 14-28 SV-7~30/600 600 7-30 505-1010
SV-5~7/150 DN150 5-7 30-60 SV-15~30/1200 1200 15-30 1630-3260


SK Type Static Mixer

The SK type unit is composed of spiral plates welded together by twisting the left and right sides of a single channel.

The coefficient of non-uniformity for liquid-liquid and liquid-solid phases is: σ X ≤ √1-5%.

Suitable for mixing, reaction, extraction, absorption, injection molding, color matching, heat transfer and other processes in the fields of chemical, petroleum, pharmaceutical, food, fine chemical, plastic processing, environmental protection, synthetic fiber, mining and metallurgy. Especially suitable for high viscosity media with high flow rate and mixed impurities and viscosity ≤ 104 centipoise.


Model Specifications DN dh Q Model Specifications DN dh Q
SK-5/10 20 5 0.15-0.3 SK-50/100 100 50 14-28
SK-7.5/15 25 7.5 0.3-0.6 SK-62/125 125 62 22-44
SK-10/20 32 10 0.6-1.2 SK-75/150 150 75 31-64
SK-12.5/25 40 12.5 0.9-1.8 SK-100/200 200 100 56-110
SK-16/32 50 16 1.4-3.2 SK-125/250 250 125 88-177
SK-20/40 80 20 2.2-4.5 SK-150/300 300 150 127-255
SK-25/50 100 25 3.5-7.0 SK-200/400 400 200 226-452
SK-40/80 150 40 9-18 SK-250/500 500 250 353-706

SX Type Static Mixer

SX type units are composed of intersecting horizontal bars that form many X-type units according to a certain pattern.

Technical feature: The mixing non-uniformity coefficient is σ X ≤ √1-5%.

Suitable for medium-to-high viscosity liquid-liquid mixing with viscosities ≤104 centipoise, reaction and absorption processes, or the mixing and reaction of polymer streams. It performs best when handling large volumes.

The effect is better when used in large quantities.

Model Specifications DN dh Q
SX-12/50 50 12 3.5-7.0
SX-16/65 65 16 6-12
SX-20/80 80 20 9-18
SX-25/100 100 25 14-28
SX-31/150 125 31 22-44
SX-50/200 150 50 56-110
SX-62/250 200 62 88-176
SX-75/300 250 75 125-250
SX-87/350 350 87 173-346


SL Type Static Mixer

The SL type unit is composed of crossed horizontal bars according to a certain pattern to form a single X-type unit.

Technical Features: Liquid-liquid and liquid-solid phase mixing, with heterogeneity coefficients of σ X ≤ √1-5%.

Suitable for the operation of heat exchangers, heating or cooling units for viscous products in industries such as chemical, petroleum, and oil, with viscosity ≤ 106 centipoise or mixed with high polymer fluids, while conducting heat transfer, mixing, and heat transfer reactions.

Model Specifications DIN dh Q
SL-12/25 25 12 0.7-1.4
SL-16/32 32 16 1. 4-2 9
SL-20/40 40 20 2. 3-4 6
SL-25/50 50 25 3.5-7
SL-40/80 80 40 9-18
SL-50/100 100 50 14-28
SL-75/150 150 75 32-64

Model Specifications DIN dh Q
SL-100/200 200 100 56-110
SL-125/250 250 125 88-176
SL-150/300 300 150 127-255
SL-175/350 350 175 173-346
SL-200/400 400 200 226-452
SL-250/500 500 250 353-706
SL-300/600 600 300 410-814

SH Type Static Mixer

The SH unit consists of a double channel with spiral vanes placed inside. The channels of adjacent units are offset by 90°, and a fluid redistribution chamber is located between the units.

Technical features: The highest dispersion degree is 1-2μm, and the unevenness of liquid-liquid phase is σ X ≤ √1-5%.

Suitable for mixing, emulsification, color matching, injection molding, spinning, and heat transfer processes in the fine chemical, plastics, synthetic fiber, and mining sectors. It is particularly suitable for clean media with low flow rates and high mixing requirements (≤106 centipoise).


Model Specifications DN dh Q
SH-12/25 25 12 0. 7-1. 4
SH-16/32 32 16 1. 4-2 9
SH-20/40 40 20 2.3-4.6
SH-25/50 50 25 3.5-7
SH-40/80 80 40 9-18
SH-50/100 100 50 14-28
SH-75/150 150 75 32-64

Model Specifications DN dh Q
SH-100/200 200 100 56-110
SH-125/250 250 125 88-176
SH-150/300 300 150 127-255
SH-175/350 350 175 173-346
SH-200/400 400 200 226-452
SH-250/500 500 250 353-706
SH-300/600 600 300 410-814

[Precautions]

Engineering designs generally use a single or series static mixer to achieve mixing. If two static mixers are operated in parallel, the piping design should ensure uniform fluid distribution.

When using small-sized SV type, if the medium contains impurities, two parallel switching filters (such as SBL-S type filters) should be installed before the mixer. The filter size is generally selected as a stainless steel filter with a mesh of 40-20 mesh.

Flow, temperature, pressure, and other indicator instruments and test points should not be installed on the static mixer as much as possible. Special requirements should be stated when ordering. If a heat exchange jacket is required on the mixer housing, this should be stated when ordering.

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