Demargo (Shanghai) Energy Saving Technology Co., Ltd.
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2025-02-20Energy consumption dilemma of traditional filters: vicious cycle of turbulence and resistance
Traditional filters generally adopt uniform aperture design. Although this design has simple manufacturing process, it has obvious defects when gas passes through:
Uneven flow velocity distribution: the gas flows fast at the inlet of the filter element and slow at the outlet, resulting in increased local pressure difference;
Frequent turbulence: sudden changes in flow velocity cause turbulence and vortex, gas molecules collide frequently, and energy is dissipated in the form of heat energy;
Resistance accumulation: the turbulent area expands, the overall resistance of the filter element increases, forcing the air compressor to increase power output.
This vicious cycle of "uneven flow velocity → turbulence → increased resistance → increased energy consumption" not only wastes a lot of energy, but also accelerates the aging of the filter element and increases maintenance costs.
The breakthrough of gradient aperture design: the change of thinking from uniform to gradient
The core innovation of E series filters lies in the gradient aperture filter element, and its design concept can be summarized as "layered control, gradient transition":
Large aperture in the inlet section: allows gas to quickly enter the filter element and reduce initial resistance;
Gradual reduction of aperture in the transition section: guides the gas flow rate to drop steadily and avoids sudden changes in flow rate;
Micro-aperture in the outlet section: achieves precision filtration at low flow rate to ensure gas purity.
This design is similar to the "highway ramp". Through reasonable slope and curve design, the vehicle (gas) can smoothly transition from high speed to low speed, which not only ensures traffic efficiency but also reduces the risk of accidents.
Structure and material collaborative innovation: underlying technology supporting gradient aperture
The realization of gradient aperture design is inseparable from the dual breakthroughs of structure and material:
Three-dimensional flow channel:
The E series filter element adopts honeycomb three-dimensional weaving technology to fold the two-dimensional filter material into a three-dimensional structure to form a multi-channel flow field. This design not only increases the effective filtration area, but also optimizes the flow direction to make the gas flow axially, avoiding radial cross interference and further reducing the risk of turbulence.
Two-component filter material:
The filter material adopts a layered composite process of ultrafine fiber and coarse fiber. The outer coarse fiber provides mechanical support, and the inner fine fiber achieves precision filtration. This "sparse outside and dense inside" gradient structure not only ensures the compressive strength of the filter element, but also achieves high porosity (>85%), thereby completing high-efficiency filtration under low resistance.
Guide ribs and support skeleton:
Spiral guide ribs are set on the inner wall of the filter element to guide the gas to form a spiral laminar flow; at the same time, a high-strength polyester fiber skeleton is used to ensure that the filter element does not deform under high pressure and maintain the stability of the pore size.
The key to the E series precision air source impurity removal filter's ability to significantly reduce energy consumption lies in its turbulence suppression ability:
Laminar control:
The gradient aperture design gradually reduces the gas flow rate along the flow direction, maintaining the laminar state. In the laminar state, gas molecules move in a straight line, with low friction resistance and low energy loss.
Kinetic energy recovery:
In traditional filters, turbulence causes the kinetic energy of gas to dissipate in the form of heat energy; while the E series filter element converts the kinetic energy of gas into potential energy (pressure energy) by controlling the flow rate, thereby reducing the power output of the air compressor.
Resistance optimization:
Under the same filtration accuracy, the operating pressure difference of the E series filter element is more than 30% lower than that of competing products. This means that the air compressor only needs less power to maintain gas flow, thereby achieving a significant reduction in energy consumption.
The energy saving and efficiency improvement of the E series filter is not an isolated technological innovation, but a systematic upgrade in the field of industrial gas purification:
Reducing operating costs:
A 15% reduction in energy consumption means that companies can save a lot of electricity expenses every year, while the filter element replacement cycle is extended and maintenance costs are further reduced.
Improving process stability:
In industries such as semiconductors and food that have extremely high requirements for gas source purity, the E series filter avoids process defects caused by gas fluctuations and improves product yield through stable laminar flow control.
Promoting green manufacturing:
The design concept of low energy consumption and long life meets the sustainable development needs of enterprises under the background of carbon neutrality. The E series filters have passed a number of environmental certifications, helping companies achieve green transformation.
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