Anti-explosion Electric Gas Heater
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  • Air ProAnti-explosion Electric Gas Heater

Anti-explosion Electric Gas Heater

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Product Description

1.Product Introduction of Anti-explosion Electric Gas Heater

Gas media explosion-proof electric heater (hereinafter referred to as gas electric heater) is an electric heating device specially used for heating natural gas, petroleum gas and other flammable and explosive gases in a forced flow state, and can effectively solve the technical problems of heat supplement for medium of natural gas, petroleum gas etc converting from liquid to gas state or from high pressure to low pressure state.


Gas electric heaters are widely used in oil and gas fields, oil refineries, chemical plants, pharmaceutical plants, city gas network and other enterprise sectors to ensure safe, reliable and efficient operation of the gas medium process.


2.Technical Properties of Anti-explosion Electric Gas Heater

1. The gas electric heater uses mineral insulated (MI) heating cable as heating element to transfer heat to the heat exchange chamber via a heat medium. The heat between the heated medium and the heating element are indirectly transmitted.


2.  The heated gas is guided to flow along the sparger in the heat exchange chamber, and has a good flow heat exchange effect.


3.  A temperature sensor being set at the outlet of the heat exchange chamber, the temperature automatic control can be realized after being connected with the matched temperature control cabinet.


4.  The conventional pressure grade of 0.6~12MPa can be designed and produced, and higher pressure (12~25MPa) grade can also be done for professional users.


5.  In explosion-proof locations, device connections and electrical wiring are in compliance with explosion-proof specifications with an explosion-proof rating dIIB T1-T6.

 

3.Working Principle of Anti-explosion Electric Gas Heater

The cold medium enters the heat exchange chamber via the inlet pipe, guides the tortuous turbulence along the baffle plate, and flows to the outlet pipe at a uniform temperature after a predetermined heat exchange process.  A temperature sensor being installed in the outlet pipe of the heat exchange chamber and the temperature signal being collected and transmitted to the electrical control system, the primary circuit electrical component is controlled by the temperature regulator to realize automatic temperature control.  At the same time, it is equipped with a flow lockout device to stop automatically the power output of the electric heating element when the medium flow is relatively small while to resume the normal heating by increasing the flow rate immediately and an over-temperature protection device is provided.

 

4. Parameter and Specification of Anti-explosion Electric Gas Heater

Anti-explosion Electric Gas Heater


Table 1: QJRQ Parameter and Size of Vertical Gas Electric Heater

Model

Rated power Kw

Rated voltage (V)

Rated current (A)

NOof power phases

Dimensions(mm)

Equipment Weight(Kg)

h1

h2

H

D

6.3

MPa

4.0

MPa

2.5

MPa

QJRQ-3/220

3

220

13.5

1

600

580

1750

φ273

300

235

200

QJRQ-6/220

6

220

22.5

1

600

960

2000

φ273

320

260

220

QJRQ-9/3/380

9

380

13.7

3

600

1300

2400

φ273

350

280

240

QJRQ-12/3/380

12

380

18

3

600

1600

2700

φ273

400

330

290

QJRQ-15/3/380

15

380

22.7

3

630

825

2200

φ377

420

360

320

QJRQ-24/3/380

24

380

36

3

630

1500

2828

φ377

620

530

480

QJRQ-36/3/380

36

380

54.5

3

630

2430

3728

φ377

826

760

703

QJRQ-60/3/380

60

380

91

3

835

0

3815

φ550

2000

1770

1560

QJRQ-81/3/380

81

380

123

3

835

0

4415

φ550

2300

1920

1680

QJRQ-102/3/380

102

380

150

3

905

0

3965

φ700

3010

2550

2050

QJRQ-150/3/380

150

380

226

3

905

0

4570

φ700

3450

2850

2185

QJRQ-200/3/380

200

380

303

3

905

0

5370

φ700

3960

3050

2300

QJRQ-300/3/380

300

380

456

3

1076

0

5616

φ1000

8000

6500

4300

QJRQ-400/3/380

400

380

608

3

1106

0

6446

φ1000

9440

7250

5100

   



 

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