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Special electrostatic precipitator for dryer
The specialized electrostatic precipitator for Huakang Zhongtian dryer is a type of electrostatic precipitator equipment used in conjunction with rota
Product details
Huakang ZhongtianSpecial electrostatic precipitator for dryerIt is a type of rotary kiln dryer used in cement plantsElectrostatic dust removal equipmentThis kind ofSpecial electrostatic precipitator for dryerThere have been significant improvements and enhancements in structure and performance compared to previous CDLG electrostatic precipitators. Through the upgraded identification in Hebei Province and its widespread application in dust removal in cement plants, it has gained the trust of customers.
Technical parameters of electrostatic precipitator for dryer:
|
Technical parameters/type of electrostatic precipitator |
CJHA1-2.31/6 CJHB1-2.31/6 |
CJHA2-4.62/12 CHJB2-4.62/12 |
CJHA3-6.04/12 CJHB3-6.04/12 |
CJHA4-6.93/18 CJHB4-6.93/18 |
|
Effective cross-sectional area of electric field m 2 |
2.31 |
2×2.31=4.62 |
2×3.20=6.40 |
2×3.47=6.94 |
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Electric field size (length x width x height) (mm) |
3946×2420×17589 |
7306×2120×17589 |
7606×2650×17615 |
8628×4450×17815 |
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Gas volume (m) 3 /h） |
10500 |
21000 |
26000 |
34000 |
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Electric field wind speed m/S |
1.27 |
1.27 |
1.2 |
1.35 |
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Gas stops in the electric field
|
5.54 |
6.46 |
7.07 |
6.03 |
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Channel width
|
700 |
700/700 |
800/800 |
700/700 |
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Number of channels (one electric field/two electric fields) |
6 |
6/6 |
6/6 |
9/9 |
|
Total effective dust collection area (m) 2 ） |
79.2 |
158.4 |
181 |
237.6 |
|
Corona type, number of wires per row |
Mangci × 1 |
Mangci × 1 |
Mangci × 1 |
Mangci × 1 |
|
Effective length of each electric field corona wire |
37.2 |
2×37.2 |
2×42.9 |
2×55.8 |
|
Allow high dust concentration (mg/m) 3 nd） |
30 |
30 |
30 |
30 |
|
Export emission concentration (mg/m) 3 nd） |
<150 |
<150 |
<150 |
<150 |
|
Design dust removal efficiency (%) |
99.7 |
99.7 |
99.7 |
99.7 |
|
Equipped high-voltage power supply unit (one electric field/two electric fields) |
CK or GJX type- |
CK or GJX type- |
CK or GJX type- |
CK or GJX type- |
|
Voltage x Current (KV x mA) (Unit) |
100×20 1 |
100×20/100×200 2 |
120×30/120×30 2 |
120×30/120×30 2 |
|
Vibration motor model (unit) |
B-0.5 0.5KW
|
B-0.5 0.5KW
|
B-0.5 0.5KW
|
B-0.5 0.5KW
|
|
Ash discharge valve size (mm) and transmission (set) |
300×300JTC561 1 |
300×300JTC561 2 |
300×300YCJ561 2 |
300×300YCJ561 2 |
|
Type of ventilation machine for hot air cleaning device |
T4-72
|
14-72 NO
|
14-72 NO 3A
|
14-72 NO 3A
|
|
Type of resistance heater (piece) |
SRQ4-220V
|
SRQ4-220V
|
SRQ4-220V
|
SRQ4-220V
|
|
Total weight of equipment (ton) |
9.85 |
19.85 |
20.83 |
28.19 |
|
Remarks |
Suitable for drying clay, slag, iron powder, coal powder, etc. with a diameter of 15 × 12m |
Suitable for a Ø 2.2 × 12m dryer (drying materials are the same as those on the left) |
Suitable for a Ø 2.2 × 14m dryer (drying materials are the same as on the left) |
Suitable for drying machines with a diameter of 2.4 × 18m or 2.8 × 18m (drying materials are the same as on the left) |
working principle:
The electrostatic precipitator of the dryer is composed of
The voltage and current feedback system between the control box and rectifier forms a closed-loop automatic regulation system, which directly controls the automatic dust removal treatment of the dust collector.
The function of a silicon high-voltage rectifier is to boost and rectify the input controllable voltage, and deliver DC high voltage to the electric field. The dust collector body is a vertical honeycomb square pipe structure, with multiple parallel square pipes for dust collection and a corona wire at the center of the square pipes. When a negative high-voltage direct current voltage is applied between the anode plate (dust collector) and the cathode wire (corona wire) of the electrostatic precipitator body, an uneven high-voltage electric field is generated between the anode plate and the cathode wire. When the voltage is sufficient, corona discharge is generated near the cathode wire, forming a large number of electrons and positive and negative ions. When the dusty flue gas passes through the electric field, the dust adsorbs ions or electrons and becomes charged. The charged dust moves towards the opposite direction under the action of the electric field force, and the dust that reaches the anode plate (dust collector) deposits on it under the action of the electric field force and dust adhesion force, and releases its charge to the anode plate. When the dust on the collector plate reaches a thickness of __, By timed vibration of the anode plate or the self weight of dust accumulation, it automatically peels off and falls into the ash hopper, and is automatically discharged through the electric hydraulic lock valve. The above process is continuously carried out to achieve the purification of smoke and dust.
Characteristics of electrostatic precipitator for dryer:
1. Suitable for relatively small particles, with a dust removal efficiency of over 99% for dust particles with a diameter of 1-2 microns. The resistance of the dust collector is relatively low.
2. The dust collector can handle smoke and dust below 400 ℃.
3. It is particularly suitable for large-scale engineering projects, as the larger the amount of flue gas processed, the more significant the economic benefits. However, the one-time investment of electrostatic precipitators is relatively high, and there are requirements for the resistance of dust, which are very high during manufacturing and installation.
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