Guangzhou Precise Heater Co., Ltd.
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Polymer Immersion Coils Heat Exchangers for Chemical Processing Tanks
| Teflon(Fluorpolymer) Heating and cooling coils | |||||
| Exchange area Sq.Ft | Connections Inch | Length In./mm | Width In./mm | Thickness In./mm | Model No. |
| 5.5 | 3/4 FNPT | 11.5(292) | 11.5(292) | 2(51) | XC-12-12 |
| 11 | 3/4 FNPT | 15.5(394) | 15.5(394) | 2(51) | XC-16-16 |
| 16.5 | 3/4 FNPT | 17.5(445) | 17.5(445) | 2.36(60) | XC-18-18 |
| 22 | 3/4 FNPT | 19.7(500) | 15.7(400) | 2.36(60) | XC-20-16 |
| 27.5 | 3/4 FNPT | 19.7(500) | 19.7(500) | 2.36(60) | XC-20-20 |
| 33 | 3/4 FNPT | 23.5(597) | 23.5(597) | 2.36(60) | XC-24-24 |
| 38.5 | 3/4 FNPT | 27.5(700) | 23.5(597) | 2.36(60) | XC-28-24 |
| 44 | 3/4 FNPT | 27.5(700) | 27.5(700) | 2.76(70) | XC-28-28 |
| 49.5 | 3/4 FNPT | 31.5(800) | 31.5(800) | 2.76(70) | XC-32-32 |
| 55 | 1 FNPT | 33.9(860) | 33.9(860) | 2.76(70) | XC-34-34 |
| 60.5 | 1 FNPT | 35.5(900) | 31.5(800) | 2.76(70) | XC-36-32 |
| 66 | 1 FNPT | 35.5(900) | 33.9(860) | 2.76(70) | XC-36-34 |
| 71.5 | 1 FNPT | 35.5(900) | 35.5(900) | 2.76(70) | XC-36-36 |
| 77 | 1 FNPT | 39.5(1000) | 33.9(860) | 3.15(80) | XC-40-34 |
| 83.5 | 1 FNPT | 39.5(1000) | 35.5(900) | 3.15(80) | XC-40-36 |
| 89 | 1 FNPT | 39.5(1000) | 39.5(1000) | 3.15(80) | XC-40-40 |
| 94.5 | 1 FNPT | 39.5(1000) | 39.5(1000) | 3.15(80) | XC-41-41 |
| 99 | 1 FNPT | 43.3(1100) | 39.5(1000) | 3.15(80) | XC-43-40 |
| 104 | 1-1/2 FNPT | 43.3(1100) | 39.5(1000) | 3.54(90) | XC-44-40 |
| 110 | 1-1/2 FNPT | 45.3(1150) | 39.5(1000) | 3.54(90) | XC-45-40 |
| 115 | 1-1/2 FNPT | 47.2(1200) | 39.5(1000) | 3.54(90) | XC-47-40 |
| 120 | 1-1/2 FNPT | 47.2(1200) | 39.5(1000) | 3.54(90) | XC-48-41 |
Polymer heat exchangers are suitable for heating and cooling a variety of media whe- re metallic plate heat exchangers cannot
be used.
The required size can be selected according to the desired thermal output and the con- tainer dimensions.
The heat exchangers are integrated in the container via either factory-fitted attach- ments, or via a mount on the frame. Alternatively, rods that protrude from the heat exchanger are available for fitting at the customer’s site.
The tube design implicates a large heat transfer area. The transfer area is even larger than with plate heat exchangers at the same displaced volume.
This means that an adequate thermal out- put can be achieved despite the lower heat transfer properties of polymers.
Polymer heat exchangers have PFA tubes which are wound onto supports. Spacers between the tubes ensure an adequate through flow with process media. The sup- ports are stabilised with frame rods which are covered with a protective plate
The distance between mounts and heat ex- changer body, or the protruding rod length, can be selected according to the customer’s needs.
The tubes are bundled via flanges to form inlet and outlet. The dimensions of the flan- ge required at the customer's site corre- sponds to standard EN 1092-1, type 5.
The polymer heat exchanger is suitable for heat transfer media with inlet flow tempera- tures of - 10°C to 110°C. It should be noted that the maximum operating pressure de- pends on the operating temperature. At an inlet flow temperature of 70°C, for example, it is 6bar.
The maximum possible temperature of the process media is determined by the material of the polymer heat exchanger. For PP it is 60°C, and for PVDF, 90°C.
The heat transition coefficient k depends on various application-specific influencing fac- tors, for example the heat transfer from the heat transfer medium to the PFA-tube.
This effect varies in magnitude depending on the flow speed of the medium.
The heat transfer coefficient in polymer heat exchangers is calculated ba- sed on the operating parameters, meaning the size is optimally adjusted for the applica- tion.
The polymer heat exchangers have been designed with the PFA/PTFE/FEP tube being the single pressurised polymer component.
The tube material features outstanding tem- perature resistance, even at elevated pressures. The tube wall thickness has been selected in order to achieve significant sta- bility with simultaneously high thermal con- ductivity.
The other components are not pressurised and serve solely to support the tubes so that materials such as PP and PVDF are sufficient- ly stable. This creates a combination of com- ponents optimised in terms of materials which is suitable for a wide range of opera- ting parameters.
Custom exchange area and size are available