Marine Use Explosion-Proof Electric Heater of Mineral Insulated Heating Cable is a kind of equipment which can convert electric power into heat energy for explosion-proof occasions. Used for heating, heat preservation and heating of liquid, gaseous and solid medium.
Marine explosion-proof electric heater is specially developed and produced for Marine ships, offshore oil drilling platforms and other explosive gas occasions in harsh environment. Our company's production of Marine explosion-proof electric heater has obtained the corresponding qualifications, including explosion-proof certificate, explosion-proof electric heater production license, China Classification Society CCS certification etc.
Structure and working principle
The electric heater structure consists of nine parts. (See Figure 1)
1 Inlet pipe 2 Diversion Chamber 3 Heating Chamber 4 Temperature Measuring Resistor 5 Over Temperature Protector 6 Junction Box 7 Oil Outlet Pipe 8 Mixed Flow Chamber 9 Sewage Outlet
Figure 1: Schematic diagram of liquid electric mineral insulated heater
2. Working Principle
The cold medium enters the diversion chamber through the oil inlet, so that the medium flows into the mixing chamber along the periphery of the heating element, and the mixed medium flows out from the oil outlet at a uniform temperature. The mixing chamber is equipped with a temperature measuring sensor, and the temperature signal is collected and transmitted to the electronic control system. The temperature control instrument controls the primary circuit to realize automatic control of the oil temperature. When the oil products or electric heating element of the heater is overheated, the protection device automatically cuts off the power supply and the control cabinet emits an audible and visual alarm signal.
Fourth, technical specification
1. Model meaning
2. Technical data
The main technical data are shown in Table 1.
Table 1 Technical Data and Outer Dimension Sheet for Vertical Electric Heater
Model | Rated Power (Kw) | Rated Voltage (V) | Rated Current (A) | Power Phase | Outer Dimension(mm) | Body Weight (Kg) | ||||
h1 | H | D | 6.3 MPa | 4.0 MPa | 2.5 MPa | |||||
YDRQ-3/220/L | 3 | 220 | 13.5 | 1 | 180 | 720 | φ219 | 165 | 105 | 90 |
YDRQ-5/220/L | 5 | 220 | 22.5 | 1 | 180 | 860 | φ219 | 175 | 120 | 105 |
YDRQ-7.5/220/L | 7.5 | 220 | 34 | 1 | 180 | 1100 | φ219 | 190 | 130 | 115 |
YDRQ-10/3/380/L | 10 | 380 | 15 | 3 | 400 | 1000 | φ273 | 240 | 200 | 165 |
YDRQ-15/3/380/L | 15 | 380 | 22.5 | 3 | 400 | 1474 | φ273 | 280 | 240 | 210 |
YDRQ-20/3/380/L | 20 | 380 | 30 | 3 | 544 | 1100 | φ377 | 475 | 320 | 260 |
YDRQ-30/3/380/L | 30 | 380 | 45 | 3 | 544 | 1544 | φ377 | 530 | 370 | 290 |
YDRQ-50/3/380/L | 50 | 380 | 75 | 3 | 544 | 1850 | φ377 | 640 | 510 | 430 |
YDRQ-80/3/380/L | 80 | 380 | 120 | 3 | 600 | 2425 | φ500 | 930 | 700 | 510 |
YDRQ-100/3/380/L | 100 | 380 | 150 | 3 | 648 | 1850 | φ600 | 1200 | 960 | 710 |
YDRQ-150/3/380/L | 150 | 380 | 226 | 3 | 648 | 2920 | φ600 | 1550 | 1050 | 820 |
YDRQ-200/3/380/L | 200 | 380 | 300 | 3 | 648 | 3200 | φ600 | 1790 | 1240 | 900 |
YDRQ-250/3/380/L | 250 | 380 | 375 | 3 | 822 | 3482 | φ1000 | 5000 | 3800 | 2900 |
YDRQ-300/3/380/L | 300 | 380 | 450 | 3 | 822 | 3850 | φ1000 | 6200 | 4950 | 3240 |
YDRQ-600/3/380/L | 600 | 380 | 910 | 3 | 910 | 4854 | φ1200 | 8000 | 6900 | 5800 |
Table 2 Technical Data and Outer Dimension Sheet for Horizontal Electric Heater
Model | Rated Power (Kw) | Rated Voltage (V) | Rated Current (A) | Power Phase | Outer Dimension(mm) | Body Weight (Kg) | |||||
L | L1 | L2 | D | 6.3 MPa | 4.0 MPa | 2.5 MPa | |||||
YDRQ-3/220/W | 3 | 220 | 13.5 | 1 | 1100 | 750 | 450 | φ159 | 85 | 55 | 45 |
YDRQ-5/220/W | 5 | 220 | 22.5 | 1 | 1300 | 1000 | 750 | φ159 | 100 | 60 | 50 |
YDRQ-7.5/220/W | 7.5 | 220 | 34 | 1 | 1650 | 1300 | 1000 | φ159 | 110 | 65 | 52 |
YDRQ-10/3/380/W | 10 | 380 | 15 | 3 | 1460 | 1050 | 750 | φ219 | 180 | 160 | 130 |
YDRQ-15/3/380/W | 15 | 380 | 22.5 | 3 | 1720 | 1400 | 1200 | φ219 | 200 | 170 | 140 |
YDRQ-20/3/380/W | 20 | 380 | 30 | 3 | 2000 | 1620 | 1300 | φ219 | 220 | 180 | 150 |
YDRQ-30/3/380/W | 30 | 380 | 45 | 3 | 2210 | 1850 | 1340 | φ219 | 240 | 190 | 160 |
YDRQ-50/3/380/W | 50 | 380 | 75 | 3 | 2750 | 2200 | 1600 | φ273 | 400 | 315 | 240 |
YDRQ-80/3/380/W | 80 | 380 | 120 | 3 | 3550 | 3100 | 2100 | φ377 | 735 | 560 | 490 |
YDRQ-100/3/380/W | 100 | 380 | 150 | 3 | 2950 | 2400 | 1750 | φ530 | 1000 | 750 | 580 |
YDRQ-150/3/380/W | 150 | 380 | 226 | 3 | 3500 | 3000 | 2300 | φ530 | 1185 | 850 | 640 |
YDRQ-200/3/380/W | 200 | 380 | 300 | 3 | 4350 | 3800 | 2650 | φ530 | 1350 | 1000 | 720 |
YDRQ-250/3/380/W | 250 | 380 | 375 | 3 | 4100 | 3600 | 2800 | φ630 | 1900 | 1450 | 1050 |
YDRQ-300/3/380/W | 300 | 380 | 450 | 3 | 4100 | 3600 | 2800 | φ630 | 1950 | 1500 | 1100 |
YDRQ-600/3/380/W | 600 | 380 | 910 | 3 | 4500 | 4000 | 3200 | φ1000 | 5100 | 3800 | 2200 |