Condenser Housing Lost Wax Castings

Product Introduction

Working principle of stainless steel condenser

The working principle of the stainless steel condenser is that the gas passes through a long tube (usually coiled into a solenoid) to dissipate heat to the surrounding air, metals such as copper have strong introduction properties and are usually used to transport steam, in order to improve To increase the efficiency of the condenser, a radiator with excellent thermal conductivity is usually added to the pipe to increase the heat dissipation area and speed up the heat dissipation speed, and the heat dissipation is accelerated by means of air convection through the fan.

Advantages of stainless steel condenser

1. Good cooling effect: using the principle of natural evaporation and heat absorption of water, a large cooling effect can be obtained by consuming a small amount of electric energy;

2. Automatic control: Microcomputer control, high degree of automation, simple operation, can be set and adjusted at will through remote control to achieve appropriate temperature and humidity, and can also automatically discharge sewage and add water.

3. Clean and filter dust: Equipped with an ozone generator and ultraviolet sterilizing device, the air is directly washed with water to clean and filter dust so that clean air can be obtained indoors and outdoors.

4. Stable operation: stable and reliable operation, low noise, and can avoid air ducts and brackets when installed indoors.

5. Applicable in many fields: the inner wall of the pipe is smooth, not easy to scale, and does not pollute impurities. It is used in various industries

6. Excellent material: Condenser housing lost wax castings are made of stainless steel to increase heat exchange efficiency and reduce heat exchange costs.

Leakage and Repair of Stainless Steel Condenser

1. Cause of leakage

(1) Wear and corrosion: Due to long-term use, some impurities and materials in the cooling water wear the steel pipe wall, and the stainless steel condenser needs to be cleaned regularly, which also wears the steel pipe wall to a certain extent.

(2) External force: cracks appear on the casing due to external force during installation or transportation.

(3) The welding quality is not satisfactory: if the leakage occurs at the weld, it is likely to be a welding quality problem. During the welding process, there are slag inclusions, incomplete welds, incomplete penetration, bubbles, etc. Although there is no problem at the beginning, it will show up over time.

(4) The quality of the steel pipe is not good: If it is found that the material between the tubes emerges from the tube opening, it means that the tube wall is damaged, and the material leaks from the tube into the tube, and then emerges from the tube mouth. In this case, if the use time is not long, it is the reason for the poor quality of the steel pipe.

2. Repair method

For some stainless steel condensers with serious tube leakage, it is recommended to replace some or all of the tubes. If more than 10% of the tubes are blocked, the condensation area will be seriously reduced and the efficiency of the stainless steel condenser will be reduced. If the leakage is not so serious, There are several fixes that can be taken.

(1) Welding repair

For example, if there is leakage at the welding seam of the stainless steel condenser, it can be repaired by welding, including the damage to the shell of the stainless steel condenser, which is also repaired by welding. The mark comes, and then surfacing welding in the dent, and finally use the hand grinding wheel to smooth the weld. If the shell has cracks, in order to prevent the cracks from expanding during grinding and welding, two small holes can be drilled at both ends of the cracks with a hand electric drill.

(2) Welding blind plug

If the pipe wall leaks, this method can be used. The specific method is to insert a steel cone plug (cone angle ≈ 7°) into the holes at both ends of the pipe, and then weld the cone plug to the pipe firmly.

(3) Pair pull blind block

To seal the leaky pipe, you can use the opposite pull blind plug. In order to ensure the sealing, the thread should be coated with sealant or wrapped with raw material tape to achieve the purpose of completely blocking. In addition to using sealant, other two methods can also be used. After the nut is tightened, the screw and the end of the bolt are directly welded and sealed; the second is to weld a small section of bamboo on the nut, and after sealing the end, it becomes a special-shaped nut. After the special-shaped nut is tightened, the extended bolt head that comes out is wrapped in the blind pipe. The advantage of this method is that the nut can be tightened and disassembled again.

Regular maintenance of stainless steel condenser

The stainless steel condenser needs to be inspected regularly every year. During the inspection, the exterior of the condenser shell needs to be carefully dusted and anti-corrosion treated. At the same time, the cooling water pipe in the casing should be carefully cleaned (chemical cleaning is used for dirt that cannot be cleaned) and its maintenance. Condenser housing lost wax castings after maintenance can not only improve the condensation effect but also prolong the service life and ensure the safe operation of the equipment.

Detection Systems

Copper Silica Sol Investment Casting