KDR-V5 type (5 sets / 16 pieces) concrete rapid freeze-thaw test machine operation - Database & Sql Blog Articles

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KDR-V3 type 3 group 10 piece concrete rapid freeze-thaw test machine

Product quick freezing and thawing tester product summary According to the national electric power industry standard DL/T5150-2001 "Hydraulic Concrete Test Regulations", the requirements of concrete frost resistance test, GBJ82-85 "Test method for long-term performance and durability of ordinary concrete" The "quick freezing method" and the American ASTM/C666 "Standard Test Method for Rapid Freezing and Thawing Ability of Concrete" are designed and manufactured, and are also applicable to the requirements of JTJ53-94 standard, using water-frozen water-melting method, and based on housing and urban and rural areas. The Ministry of Construction recently issued the national standard "Standards for Long-term Performance and Durability Test of Common Concrete" (GB/T50082-2009) and the industry standard "Standard for Durability Assessment of Concrete" (JGJ/T193-2009), and re-optimized the design. Make all indicators lead in the same industry. The product meets the freeze-thaw resistance test of concrete specimens with an appearance requirement of 100×100×400.

The function of the concrete rapid freeze-thaw test machine is newly developed. The technology of intelligent thermal storage technology is improved, which makes the product design more compact, the heat conversion efficiency is higher, the equipment noise is smaller, and the maximum noise in the room drops below 60dB. The running speed is stable and is affected by the external temperature. It is very suitable for small concrete testing and testing units and non-batch scientific research institutions and on-site inspection of concrete freeze-thaw resistance.
Main technical parameters of concrete rapid freeze-thaw test machine
1, the temperature range: -25 ° C ~ 25 ° C (user can set);
2. Temperature uniformity: <2 °C between points;
3, measurement accuracy ± 0.5 ° C, display resolution 0.06 ° C
4. Sample capacity: 10 pieces;
5, size: 1300 * 850 * 900 (length * width * height)
6, total power: 2.8kw

The test parameters of the rapid freezing and thawing test machine for concrete freeze-thaw cycle are 2.5~4 hours, the melting time is not less than 1/4 freeze-thaw cycle, and the temperature of the test piece is -17±2°C when the freezing is finished. The temperature of the test piece is 8 at the end of the melting. ±2 ° C, cooling time 1.5-2.5 hours, heating time 1.0-1.5 hours, the temperature difference between the center of the test piece and the surface is less than 28 ° C, the number of cycles is more than 300 times.

KDR-V5 type 5 group 16 piece concrete rapid freeze-thaw test machine

According to the requirements of the concrete frost resistance test in the National Electric Power Industry Standard DL/T5150-2001 "Hydraulic Concrete Test Regulations", "Quick Free Method" in GBJ82-85 "Test Methods for Long-term Performance and Durability of Ordinary Concrete" and the United States ASTM/C666 "Standard Test Method for Rapid Freezing and Thawing Capacity of Concrete" is designed and manufactured, and is also applicable to the requirements of JTJ53-94 standard, using water-frozen water-melting method, and according to the recent national standards issued by the Ministry of Housing and Urban-Rural Development. Standard Test Method for Long-Term Performance and Durability of Ordinary Concrete (GB/T50082-2009) and Industry Standard "Standard for Concrete Durability Inspection and Evaluation" (JGJ/T193-2009), re-optimized design so that all indicators are in the same industry Leading in the middle. The product meets the freeze-thaw resistance test of concrete specimens with an appearance requirement of 100×100×400.
Features of the rapid freeze-thaw testing machine for concrete The newly developed technology using intelligent thermal storage technology has been improved to make the product design more compact and energy efficient. The noise of the equipment is smaller, the maximum noise in the room is reduced to below 60dB, and the running speed is stable, and the ambient temperature is affected. It is very suitable for small concrete testing and testing units and non-batch scientific research institutions and on-site inspection of concrete for freezing and thawing.

Main technical parameters of concrete rapid freeze-thaw test machine
1, the temperature range: -25 ° C ~ 25 ° C (user can set);
2, temperature uniformity: <2 ° C between points;
3, measurement accuracy ± 0.5 ° C, display resolution 0.06 ° C
4. Sample capacity: 16 pieces
5, size: 1700 * 800 * 1000mm (length * width * height)
6, the total power: 3KW
The test parameters of the rapid freezing and thawing test machine for concrete freeze-thaw cycle are 2.5~4 hours, the melting time is not less than 1/4 freeze-thaw cycle, and the temperature of the test piece is -17±2°C when the freezing is finished. The temperature of the test piece is 8 at the end of the melting. ±2 ° C, cooling time 1.5-2.5 hours, heating time 1.0-1.5 hours, the temperature difference between the center of the test piece and the surface is less than 28 ° C, the number of cycles is more than 300 times.

KDR-V9 type 9 group 28 piece concrete quick freeze-thaw test machine

Designed and manufactured according to the National Standard for Long-term Performance and Durability Tests for Common Concrete (GB/T50082-2009) recently issued by the Ministry of Housing and Urban-Rural Development. The equipment also meets the concrete frost resistance test in the national power industry standard DL/T5150-2001 "Hydraulic Concrete Test Regulations", "Quick Free Method" in GBJ82-85 "Test Methods for Long-term Performance and Durability of Ordinary Concrete". US ASTM/C666 "Standard Test Method for Rapid Freezing and Thawing Capacity of Concrete", industry standard (JGJ/T193-2009) "Concrete Durability Test and Evaluation Standard", JTJ53-94 standard for concrete freeze-thaw test requirements.
The water-freezing method is used to meet the freeze-thaw test of concrete specimens with an appearance requirement of 100*100*400. One set of specimens can be placed at one time (28 pieces contain one center specimen). During the test, the test piece is placed in the test rubber cylinder. The rubber cylinder is filled with water. The rubber cylinder is placed in the test box filled with antifreeze. The unit is frozen by the refrigeration or heating of the antifreeze to freeze the test piece in the rubber cylinder. Melt and complete the freeze-thaw test.
It is fully automatic during the whole operation, without human intervention. When the test is completed to the set (default 50 times), it will automatically stop, and a prompt tone will be issued to prompt the test to be completed. If you need to continue the test, you can accumulate the set number of times and continue to run. .

Functional characteristics of concrete rapid freeze-thaw test machine
1. Energy-saving and low-noise, using intelligent thermal storage technology, making full use of the heat generated by the compressor during cooling, which is consumed during the freeze-thaw cycle. The power consumption of the whole machine is reduced to 1/3 of ordinary freezing and thawing. It not only saves energy, but also reduces running noise, and makes the refrigeration unit work under low load for a long time, ensuring the service life and stability of the equipment. It has the characteristics of stable running curve, energy saving and low noise.
2, microcomputer control instrument, KDR-V series freeze-thaw microcomputer measurement and control instrument for the company's independent research and development of dedicated measurement and control instrument, we have independent intellectual property rights, and tailor-made for freeze-thaw, with large-capacity data storage, continuous storage minimum 30 days of running data, can be connected to the micro-printer to automatically print, or connected to the computer through software control and data export analysis.
3. Perfect protection system, power phase loss protection, power supply under voltage protection, power supply short circuit overload protection, unit refrigerant over voltage protection, unit refrigerant under voltage protection, etc. All protections can be alarmed in real time through the instrument and display fault conditions. Press any key after the fault is cleared to cancel the alarm.

4, freeze-thaw measurement and control professional version of the software, independent research and development design, software using .NET2.0 framework design, with fast running system resources and small footprint. The software can be closed at any time without affecting the test process. After the startup, the experimental data is automatically imported in the background, the real-time curve is automatically generated, the historical curve can be quickly viewed, and the EXCEL report can be exported.

Main technical parameters of concrete rapid freeze-thaw test machine
1. Maximum test piece capacity: 9 groups + 1 center test piece;
2, temperature range: -25 ° C ~ 25 ° C (user can set);
3, temperature uniformity: <2 ° C between points;
4, measurement accuracy ± 0.5 ° C, display resolution 0.06 ° C;
5, the internal machine size: 1120 * 810 * 720 (length * width * height mm);
6, the size of the external machine: 1400 * 700 * 800 (length * width * height mm);
7, control the size of the electric box: 500 * 400 * 200 (length * width * height mm);
8, power: AC380V/20A three-phase four-wire;
9, operating power: 3.6KW.

Concrete rapid freezing and thawing test machine product configuration
1. One outdoor waterproof and freezing host;
2. One indoor test case box;
3. Control one electric box;
4, 4 temperature sensors;
5. One data connection line;
6, Founder commercial PC 1 (user optional);
7, 1 DTW-18 concrete frozen bomb instrument (optional);
8, -45 ° C antifreeze 100 liters (user optional).

The test parameters of the rapid freezing and thawing test machine for concrete freeze-thaw cycle are 2.5~4 hours, the melting time is not less than 1/4 freeze-thaw cycle, and the temperature of the test piece is -17±2°C when the freezing is finished. The temperature of the test piece is 8 at the end of the melting. ±2 ° C, cooling time 1.5-2.5 hours, heating time 1.0-1.5 hours, the temperature difference between the center of the test piece and the surface is less than 28 ° C, the number of cycles is more than 300 times.