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Belt-type online microwave moisture detection plan

The belt-type online microwave moisture detector for wood blocks, bamboo chips, coal, and sintering materials is mainly used for online detection of moisture in raw materials such as wood blocks, bamboo chips, coal, sintering materials, and coke.

It is used for quality and cost management and control in the production process, and cost settlement in the process of raw material acquisition. The measurement method is non-contact measurement, which can automatically, quickly, accurately, stably, and continuously measure the moisture content of raw materials in real time. It can be seamlessly connected with management control systems such as DCS/ERP.

Product name: Microwave transmitter probe
Product model: RZ-260-Ⅰ-E
Product name: Microwave receiving probe
Product model: RZ-260-Ⅰ-R
Product Name: Industrial Computer
Model: RZ-260-Ⅰ-8
Product name: Multi-channel height compensation probe
Product model: RZ-260-Ⅰ-D

This microwave is a 2.4GHz microwave (can penetrate high-density and wide belts). The attenuation and phase change generated when the microwave penetrates the medium are mainly determined by the dielectric constant and dielectric loss tangent of the medium. Water is a polar molecule, and the dielectric constant and dielectric loss tangent of water are much higher than those of general media.

Usually, the dielectric constant of a water-containing medium is mainly determined by its moisture content. The microwave transmits energy from the microwave transmitting probe located above the conveyor belt, and after passing through the belt and the material, the remaining microwave energy is received by the microwave receiving probe at the lower end of the belt.

According to the change in the attenuation of the microwave power and the instantaneous total mass calculated by the ultrasonic mass compensation probe, the moisture content of the material can be calculated based on the percentage content of the total energy lost and the total mass using the microcomputer system software.

Since the microwave completely penetrates the process material, all physical moisture can be measured. This is not only applicable to surface moisture, but also to internal moisture.

This technology ensures high measurement accuracy and precision. The color and surface structure of the material, water vapor and dust will not affect the measurement results.

1. Mining and metallurgyCoal, coking coal, heat transfer, coke
2. Nonferrous metalsBauxite, copper concentrate, mineral sand, nickel ore, silver, lead, zinc concentrate, alumina, copper, zinc smelting
3. Iron and steelSintered ore, coke, pelletized ore
4. Food processingWheat, corn, sorghum, cereal products, flour
5. PapermakingBamboo chips, wood chips, bagasse
6. Baked productsBread, cakes, biscuits, candy, sugar, feed
7. TobaccoCigarette packs, tobacco stems, tobacco leaves, tobacco shreds, tobacco branches, and redried

And, it is also suitable for the pharmaceutical industry, wood industry, chemical industry, glass fiber industry, etc.

1. Moisture range: 0-80% (depending on the application)

2. Test accuracy: moisture content 0-1% (average absolute value error)

3. Test principle: non-contact penetration measurement

4. Signal output: RS485, DP, network port

5. Computer software: customized 8-inch touch screen

6. Digital input: when the belt is unloaded or stopped, the instrument will suspend the measurement function

7. Response time: <1.5us (microseconds)

8. Maximum calculation rate: 8*216 pulses/second

9. Maximum pulse rise time: 250ns.

10. Power supply: 110-230VAC

11. Weight: about 18Kg

12. Probe protection level: IP67

13. Test moisture: average moisture content inside and outside the material

1. Insensitive to the pH value and conductivity of the material being tested.

2. The total water (the sum of the surface and internal water content of the material being tested) is measured, and the test results are more representative.

3. Non-contact measurement: no wear, no adhesion to materials, and no impact on the production process.

4. Provide instantaneous measurement values ​​(real-time testing) for process control.

5. Industrial computer-specific software can connect to hotspot remote services.

6. Maintenance-free, low operating cost.

7. Low emission energy, will not change the properties of the material, safe and reliable.

8. Not affected by environmental dust and water vapor factors. Strong anti-interference ability.

9. Not affected by material color changes and sunlight.

10. Measurement method: microwave penetration.

11. Configuration: energy transmitting probe, receiving probe, height compensation probe, dedicated industrial computer software.

The installation method is: the transmitting probe is installed at the lower end of the conveyor belt, and the receiving probe and ultrasonic mass wavelength probe are installed directly above the conveyor belt.

The moisture meter can be installed in different application environments, such as pipes (no metal), containers, funnels and conveyor belts. In general, the microwave moisture meter needs to be equipped with a non-contact height compensation probe on the conveyor belt to compensate for the height change of the material. Therefore, the moisture meter can be used in any occasion. When the microwave penetrates the material to be tested, the accuracy of the distance probe is very high, so that the best test results can be given with the least cost.

This product not only improves the accuracy of test data, providing a basis for analyzing and solving existing problems; it also provides intuitive test data for operation, further improving test accuracy, low maintenance costs, and immeasurable direct and indirect economic benefits. At the same time, this product complies with the national plan for the integration of industrialization and informationization, widely applies electronic information technology to all aspects of industrial production, drives industrialization with informatization, promotes informatization with industrialization, and launches intelligent industrial applications, making it a hot spot for industry development, in order to achieve production automation, product intelligence, industrial advancement, and refined management, improve production efficiency, reduce operating costs, enhance corporate competitiveness, and pursue sustainable, low-carbon, and green development.

1. Dedicated on-site service 24-hour response personnel

2. Free professional application analysis

3. Provide pre-calibration, debugging, and training

4. Provide maintenance contracts

NoEquipment name
1Microwave transmitting probe
2Microwave receiving probe
3Height compensation probe
4Professional water testing software
58-inch industrial computer