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Microwave Rectangular Waveguide

The Waveguide is a core component for microwave transmission, designed as metal conduits with rectangular or circular cross-sections to solve signal loss issues of ordinary cables in high-frequency microwave (centimeter or millimeter wave bands) transmission. It integrates waveform transformation, impedance matching, coupling, and resonance functions, making it indispensable for industrial microwave systems.

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Equipment Profile


Due to microwave frequencies being extremely high—typically operating in the centimeter or millimeter wave bands—ordinary cables or wires would suffer significant signal loss during transmission. This necessitates the use of metal conduits with rectangular or circular cross-sections, known as waveguides, for microwave feeding. By modifying cross-sectional dimensions, adding diaphragms, openings, or pins (equivalent to adjusting circuit resistance, inductance, and capacitance), waveguide components enable functions such as waveform transformation, impedance matching, coupling, and resonance. The circulator, also called an isolator, is a crucial waveguide component characterized by unidirectional transmission of high-frequency signals. It controls electromagnetic waves to propagate along a specific closed-loop path.


Features


Premium Quality Preservation for Food Products

Low-Temperature Sterilization: Achieves effective sterilization at 75~85℃, avoiding nutrient loss (e.g., vitamin, protein) and flavor degradation caused by high-temperature processing. Maintains the original color, brightness, and texture of food (e.g., retains the crispness of dried fruits, the tenderness of meat products).

Extended Shelf Life: Reduces microbial count while preserving natural antioxidants in food, extending product shelf life to over 2 months (vs. 2~3 weeks for traditionally dried products), suitable for long-distance transportation and offline/online sales.


Compact Structure & Flexible Operation

Space-Saving Design: No need for boilers, complex pipeline systems, coal yards, or transport vehicles. The integrated structure (e.g., LDY-20PW-4X model: 8×1.2×2m) saves over 60% of floor space compared to traditional drying lines, ideal for small/medium-sized workshops and limited-site factories.

Easy Control & Customization: Equipped with intuitive PLC control system, allowing real-time adjustment of transmission speed (0.1~5m/min), microwave power, and temperature. Customizable parameters include feed/discharge port height (starting from 50mm) and transmission belt width (starting from 800mm) to match different production scales.


Cost Reduction & Environmental Adaptability

Low Operational Cost: Only requires basic water and electricity supply (380V for standard models), eliminating fuel procurement and waste treatment costs. Energy utilization rate reaches over 80% (vs. 30~50% for hot air dryers), reducing long-term operational expenses by 30~50%.

Wide Environmental Adaptability: Operates stably in environments with 0~40℃ temperature and ≤80% relative humidity, suitable for food processing plants in different climate zones (e.g., high-humidity southern China, low-temperature northern China).


Applied Industries


Our Waveguide is widely adopted in multiple industries requiring microwave technology:

Food industry: Used in microwave drying, sterilization, and heating equipment for tea, fruits, and snacks.

Pharmaceutical industry: Applied in drug sterilization and extraction systems to ensure product safety.

Chemical industry: Integrated into microwave reaction and sintering equipment for precise process control.

Other fields: Wood drying, ceramic sintering, and paper processing equipment, providing stable microwave transmission support.

application


Why Choose Us


Superior signal integrity: Our Waveguide minimizes transmission loss, ensuring efficient microwave energy delivery compared to conventional transmission solutions.

Customizable design: Tailor-made cross-sectional dimensions and functional components to fit your specific industrial microwave equipment.

Durable construction: High-grade metal materials and precision manufacturing guarantee long service life even in harsh industrial conditions.

Professional support: A team of engineers provides technical consultation and installation guidance to optimize your microwave system performance.

Wide compatibility: Seamlessly integrates with various microwave generators and power supplies, reducing equipment replacement costs.

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FAQ


Q1: What is the main function of the Waveguide in microwave systems?

A1: It transmits high-frequency microwave signals with minimal loss and realizes functions like waveform transformation, impedance matching, and coupling by adjusting structural parameters, ensuring stable operation of microwave equipment.


Q2: Can the Waveguide be customized for non-standard microwave systems?

A2: Yes, we offer custom cross-sectional sizes (rectangular/circular), diaphragm configurations, and pin layouts to match your unique equipment specifications and operating frequency requirements.


Q3: How to maintain the Waveguide for long-term use?

A3: Regularly clean the inner surface to remove dust and debris, check for structural deformation, and ensure tight connections with other components to avoid signal leakage.




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 WhatsApp: +8615628868848
 Landline: +86-534-278-8365
 Tel: +86-156-2886-8848
 Email: long@longdiya.cn
 Address: No. 3, Ground Floor Commercial Building, No. 4 Building, 1727, Rongsheng Times International Plaza, No.9 Beiyuan Street, Quanfu Sub-district, Licheng District, Jinan, Shandong Province
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