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 ELECTRICALLY HEATED EVAPORATORS CAPACITIES UPTO 200 Kg/hr E-205
For Chlorine, also used for Sulfur Dioxide or Ammonia
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GENERAL
Chlorine is available in liquid form but is generally utilized as a gas. Chlorine gas is normally withdrawn directly from containers when withdrawal rates do not exceed the container vaporization rate. If a large quantity of chlorine gas is required, Chlorine evaporators are used.
OPERATING PRINCIPLE
Liquid chlorine is transferred from its source to the evaporator chamber by container pressure. |
This chamber is immersed in a controlled heated water bath, which increases the temperature of the liquid, causing it to boil. Liquid enters the chamber and maintains the required liquid level necessary to meet the vaporization rate for the gas demand. A change in gas demand will cause the chlorine liquid level to adjust. The gas released, rises through baffles and superheated as it leaves the chamber. A superheated gas is required to prevent gas reliquefaction in process piping. INSTALLATION
Location
The evaporator should be located close to the source if possible. The length of liquid and gas lines should be kept to a minimum. Container room with provisions for exhausting gas, if a leak develops, is ideal. A lifting device above the evaporator is recommended for servicing the chamber.
CATHODIC PROTECTION
The water wetted surfaces of the evaporator are protected against corrosion by two sacrificial anodes. The anodes being the most active metal in the evaporator will suffer corrosion and supply the electrical current needed to protect the structure.
SAFE & SELF ADJUSTABLE CAPACITY
Evaporator cannot fill with liquid to build excessive pressure because its liquid level is self-adjusting. An automatic shut-off and pressure reducing valve is included. A water temperature control thermostat and contacts for low water temperature alarm are also included. Other devices, as optional are high water temperature alarm switch; a gas temperature gauge on the instrument panel; and a low water alarm actuated by a level probe.
Because the evaporation rate is self-adjusting, the proper liquid level is always maintained in the gas chamber. The proper water bath level is maintained by a make-up-water flow meter with a manual control valve. Or, an automatic make-up-water level system is optional, Level probes in this resistance-type system open and close a solenoid valve to maintain the proper water-bath level.
RELIABLE OPERATION FULLY AUTOMATIC
This is a water immersed-tank heat exchanger specifically designed to evaporate liquid chlorine. Sulfur dioxide of ammonia. Heat from a hot water bath converts liquid to gas. immersion type electric heaters supply the heat.
The evaporator is designed for safety. It requires minimum maintenance. With several options, operation can be fully automatic.
| Model No. |
Capacity Kg/hr. Gas |
Power Consumption |
| E 205 |
Cl 2 |
SO 2 |
NH 3 |
KW |
| 1 |
50 |
32 |
11 |
5 |
| 2 |
100 |
65 |
22 |
10 |
| 3 |
180 |
120 |
35 |
18 |
| 4 |
360 |
240 |
75 |
36 |
| CL2 -CHLORINE | SO2-SULFUR DIOXIDE | NH3-AMMONIA |
Standard equipment
Cabinet
Water chamber, level controlled water supply.
Vapourizing chamber
Superheating Chamber
Water level indicator
Gas temperature indicator
Water temperature controller
Min. water temperature switch
Max. water temperature switch
Immersion heater
Power Characteristics: 400-440 V. 3 phase, 50/60Hz
- Dimensions: Dimension drawing numbers same as model numbers with prefix "DM".
- Installation: Installation drawing numbers same as model numbers with prefix "IN".
Materials of construction
- Cabinet : Fiberglass reinforced
- Water chamber: Steel
- Vapourizing chamber: Steel
Accessories
Automatic water level control
Immersion heater contractor
Liquid lines
Gas lines
Gas pressure reducing and shut-off valve
Cathodic protection in water chamber
Electric control panel
Ordering information
Model number
Medium to be vapourized
Capacity (kg/h)
Accessories-required and optional
Installation and service
Specialized technicians are prepared to install and service this and associated equipment. |
