The refrigerating dryer has the advantages of no gas loss and low energy consumption, but has the limitation of dew point temperature. However, the adsorption drier has the advantages of low dew point, but has the disadvantages of large regeneration gas loss and high energy consumption.
The combined dryer combines the advantages of both the refrigerating dryer and the adsorption dryer, and maximizes the advantages of both through reasonable piping connections and capacity matching to achieve the best economic operating point and high quality. Low dew point product gas.
The combined dryer, in layman's terms, combines a conventional refrigerated dryer with an adsorption dryer.
There are various combinations of processes in the industry, the most common one is serial installation, which is a relatively mature technology.
Dry data
When the humidified compressed air from the air compressor, pressure: 7BARG, temperature: ≤ 45 degrees, flow rate: 45Nm3 / min, the water content per cubic meter of compressed air is 65g / m3, leaving the compression of the air compressor every minute The water content of the air is 375 grams, the water per hour brought to the downstream equipment is 22.5 kilograms, and the amount of water supplied to the downstream equipment every 4 hours is 90 kilograms.
If a refrigerated dryer is used to dry the moist compressed air to a dew point of 15 degrees, the water content per unit volume will be reduced to 12g/m3. That is to say, the moisture content of the refrigerating dryer is the moisture content of the intake air. 12/65 = 18%, eliminating 82% of the water, so the load of the adsorption dryer is only 18%, which will greatly reduce the load of the adsorption dryer, so that a better dew point can be achieved. It can also fully extend the adsorption working time and reduce the number of regenerations, thereby significantly reducing energy consumption.
Combination method
The low-temperature outlet of the refrigerating dryer is directly sent to the adsorption tower of the dryer for adsorption treatment, but this process will cause the adsorption tower to work at a low temperature. If the pre-filter has poor water removal effect, the liquid water mist is easy. Direct penetration of the adsorption tower causes fluctuations in the dew point.
The most common phenomenon is that the adsorption tower works well most of the time, but from time to time, the dew point suddenly deteriorates and then recovers rapidly. This phenomenon is the phenomenon that small water droplets penetrate the adsorption tower.
The reason for this phenomenon is that the density of the water droplets is much larger than the density of the compressed air, so that the momentum obtained in the airflow is large, the penetration force is strong, and the elastic collision with the adsorbent can be repeated without repeated adsorption, and finally from the adsorption. The tower escaped.
Therefore, the humid compressed air entering the adsorption tower must not contain liquid water mist, which requires the use of a good pre-filter, and also requires some regenerative measures to allow the liquid water droplets to completely evaporate before entering the adsorption tower in the compressed air. Gaseous.
Therefore, the dryer manufacturer does not recommend that the low-temperature compressed air from the evaporator of the dryer be sent directly to the dryer for processing.
In other words, the so-called "combined" dryer that is commonly installed in series with the adsorption dryer is the most reasonable process.
The combined dryer combines the advantages of both the refrigerating dryer and the adsorption dryer, and maximizes the advantages of both through reasonable piping connections and capacity matching to achieve the best economic operating point and high quality. Low dew point product gas.
The combined dryer, in layman's terms, combines a conventional refrigerated dryer with an adsorption dryer.
There are various combinations of processes in the industry, the most common one is serial installation, which is a relatively mature technology.
Dry data
When the humidified compressed air from the air compressor, pressure: 7BARG, temperature: ≤ 45 degrees, flow rate: 45Nm3 / min, the water content per cubic meter of compressed air is 65g / m3, leaving the compression of the air compressor every minute The water content of the air is 375 grams, the water per hour brought to the downstream equipment is 22.5 kilograms, and the amount of water supplied to the downstream equipment every 4 hours is 90 kilograms.
If a refrigerated dryer is used to dry the moist compressed air to a dew point of 15 degrees, the water content per unit volume will be reduced to 12g/m3. That is to say, the moisture content of the refrigerating dryer is the moisture content of the intake air. 12/65 = 18%, eliminating 82% of the water, so the load of the adsorption dryer is only 18%, which will greatly reduce the load of the adsorption dryer, so that a better dew point can be achieved. It can also fully extend the adsorption working time and reduce the number of regenerations, thereby significantly reducing energy consumption.
Combination method
The low-temperature outlet of the refrigerating dryer is directly sent to the adsorption tower of the dryer for adsorption treatment, but this process will cause the adsorption tower to work at a low temperature. If the pre-filter has poor water removal effect, the liquid water mist is easy. Direct penetration of the adsorption tower causes fluctuations in the dew point.
The most common phenomenon is that the adsorption tower works well most of the time, but from time to time, the dew point suddenly deteriorates and then recovers rapidly. This phenomenon is the phenomenon that small water droplets penetrate the adsorption tower.
The reason for this phenomenon is that the density of the water droplets is much larger than the density of the compressed air, so that the momentum obtained in the airflow is large, the penetration force is strong, and the elastic collision with the adsorbent can be repeated without repeated adsorption, and finally from the adsorption. The tower escaped.
Therefore, the humid compressed air entering the adsorption tower must not contain liquid water mist, which requires the use of a good pre-filter, and also requires some regenerative measures to allow the liquid water droplets to completely evaporate before entering the adsorption tower in the compressed air. Gaseous.
Therefore, the dryer manufacturer does not recommend that the low-temperature compressed air from the evaporator of the dryer be sent directly to the dryer for processing.
In other words, the so-called "combined" dryer that is commonly installed in series with the adsorption dryer is the most reasonable process.
375nm to 940nm Multimode wavelength LED are designed for microscopy and other applications that require multiple color channels.The LED current of each channel can be adjusted independently or modulated via an external voltage.The multi-wavelength LED system offer a compact housing with a backlit, easy-to-read LCD display. They are operated via the buttons on the front panel.
| Features |
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â– UV, Visible, and NIR Versions (from 375nm to 1550nm) â– The SMA connector is ideal for multimode fiber. â– Multi-wavelength fiber coupled LED available. |
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Data Sheet for Single Wavelength LED |
| Model | Color |
Nominal Wavelength (nm) |
Bandwidth FWHM (nm) | Typical Φ600um Core Fiber Output Power SMA (mW) | Maximum Current CW (mA) | Forward Voltage (V) | Typical Lifetime (h) |
| LFM375 |
UV |
375 | 9 | 3.0 | 1400 | 3.6 | ~10000 |
| LFM395 | UV | 395 | 16 | 1.0 | 500 | 4.5 | ~10000 |
| LFM405 | UV | 405 | 12 | 4.2 | 1400 | 3.45 | ~10000 |
| LFM430 | Violet | 430 | 15 | 1.0 | 500 | 3.8 | ~10000 |
| LFM460 | Royal Blue | 460 | 25 | 6.0 | 1000 | 3.6 | ~10000 |
| LFM470 | Blue | 470 | 25 | 3.2 | 1000 | 3.2 | ~10000 |
| LFM500 | Cyan | 500 | 30 | 2.2 | 1000 | 3.3 | ~10000 |
| LFM530 | Green | 530 | 33 | 3.0 | 1000 | 3.2 | ~10000 |
| LFM565 | Lime | 565 | 104 | 3.0 | 1000 | 3.1 | ~10000 |
| LFM600 | Amber | 600 | 15 | 1.2 | 1000 | 2.6 | ~10000 |
| LFM620 | Red | 620 | 18 | 5.5 | 1000 | 2.2 | ~10000 |
| LFM625 | Red | 625 | 17 | 3.0 | 1000 | 2.2 | ~10000 |
| LFM660 | Deep Red | 660 | 20 | 4.0 | 1200 | 2.6 | ~10000 |
| LFM730 | Far Red | 730 | 37 | 1.5 | 1000 | 2.3 | ~10000 |
| LFM808 | IR | 808 | 25 | 2.5 | 500 | 3.6 | ~10000 |
| LFM850 | IR | 850 | 30 | 3.0 | 1500 | 3.85 | ~10000 |
| LFM880 | IR | 880 | 50 | 1.0 | 1000 | 1.7 | ~10000 |
| LFM940 | IR | 940 | 37 | 3.0 | 1000 | 2.75 | ~10000 |
| LFM1050 | IR | 1050 | 37 | 2.0 | 600 | 1.4 | ~10000 |
| LFM1550 | IR | 1550 | 102 | 1.0 | 700 | 1.1 | ~10000 |
Note:
1. The above testing data are only for reference, the actual spectrum of LED may change since the temperature or other parameters are different when operating the current.
2.The above data was tested by 600μm core diameter, 0.22 NA multimode fibers. Other core diameter fibers are available on request.
| Laser Head | Power Supply |
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64 (L) ×46.5 (W) ×30 (H) mm3 |
114 (L) ×78 (W) ×71 (H) mm3 |
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Data Sheet for Multi-wavelength LED |
| Parameters | Indicators |
| Available wavelength (nm) | 375-940 |
| Output mode | Fiber output |
| Fiber core diameter (μm) | 400, 600, 800, 1000 |
| Fiber connector | SMA905 |
| Output power (mW) | Related to fiber |
| Power stability (rms, over 4 hours) | <3%, <5% |
| Operating mode | CW, TTL or Analog on request |
| Operating temperature (°C) | 10~35 |
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Dimensions |
192(L)*241(w)*139.9(H)mm3 |
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Input power |
12VDC 7A |
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Cooling method |
By air |
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Storage temperature (°C) |
-20~80 |
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Lifetime (hours) |
10000 |
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Fiber Specs |
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Fiber Coupled Led,Fiber Coupled Blue Led,Fiber Coupled Led 1550,Single Mode Fiber Coupled Led
Changchun New Industries Optoelectronics Technology Co., Ltd. , https://www.lasersciences.com