Views: 70 Author: China Xicheng Publish Time: 2021-07-24 Origin: China Xicheng
After receiving the quotation for the wet scrubber, the customer often puts forward the quotation is too high, so many customers do not know the scrubber, but habitually give the conclusion that the price is too high, it seems that something is wrong, the technical team will pass the data Provide detailed basis and configuration of wet scrubber quotation.
The scrubber quotation is based on the material and specifications. The wet scrubber materials mainly include PP polypropylene plastic, SS304 stainless steel, FRP glass fiber reinforced plastic, carbon steel lined rubber, etc., under normal temperature and pressure, the PP material scrubber is used The most extensive, relatively low price cost, easy to process.
Secondly, another factor that affects the price is the size specifications. The larger the size (diameter and height), the more materials and labor costs, and the higher the quotation. In fact, the larger the size and specifications, the greater the amount of waste gas to be treated. Large, proportional to the quoted price.
Technical Parameter Table :
Air volume (M3/H) | Size (mm) | THK (mm) | Drain outlet (mm) | Water tank size(mm) | Inlet and outlet size (mm) | Pump (KW) | Wind resistance (Pa) |
3000 | 800 | 8 | DN32 | 600*700*H700 | 315 | 0.75 | 500 |
5000 | 1000 | 8 | DN40 | 600*800*H700 | 400 | 1.5 | 500 |
8000 | 1200 | 8 | DN40 | 600*1000*H700 | 500 | 2.2 | 500 |
10000 | 1500 | 10 | DN40 | 700*1000*H700 | 550 | 2.2 | 500 |
12000 | 1600 | 10 | DN50 | 700*1000*H700 | 600 | 3.75 | 500 |
15000 | 1800 | 10 | DN50 | 700*1200*H700 | 650 | 3.75 | 500 |
20000 | 2000 | 10 | DN50 | 700*1200*H700 | 750 | 5.5 | 500 |
25000 | 2200 | 10 | DN50 | 700*1200*H700 | 950 | 5.5 | 600 |
30000 | 2500 | 12 | DN65 | 700*1200*H700 | 1000 | 5.5 | 600 |
35000 | 2700 | 12 | DN65 | 1000*700*H700 | 1100 | 7.5 | 600 |
40000 | 2900 | 12 | DN65 | 1000*700*H700 | 1200 | 7.5 | 600 |
45000 | 3000 | 12 | DN65 | 1000*700*H700 | 1250 | 7.5 | 600 |
Finally, the key that affects the quotation depends on the configuration. The higher the configuration, the higher the price of the scrubber. Usually the scrubber includes tower body, packing, packing layers, integrated water tank, circulating pump, circulating water pipe, overflow pipe, drain pipe, water inlet ball valve, transparent liquid level pipe, the above is the configuration of conventional wet scrubber system.
The scrubber quotation is based on the tower diameter and height. The diameter and height are calculated based on the total air volume and treatment concentration of the exhaust gas. From a design perspective, the quotation should be based on the exhaust gas volume. Users can ask about 10,000 cubic meters per hour. What is the size of the wet scrubber and how much is the price? What parts are included.
Example: Select the wet scrubber model and give an accurate quotation. If the customer’s workshop has a designed exhaust volume of 10,000 cubic meters per hour, and the designed flow rate through the empty tower is 2 meters per second, the diameter of the scrubber will be 1.33 after calculation. Meters, the diameter is 1.4 meters through regularization. Single-layer spray design, the exhaust gas inlet diameter is 500mm, and the total height of the tower can be designed to be 4600mm.
With detailed air volume and scrubber diameter data quotations, it can be accurately calculated. The calculation method is to disassemble the plates. The thickness of the scrubber bottom plate is 12mm, the thickness of the tower body is 8mm, and the wall thickness of the water tank is 10mm. Filler chooses ø76 rosette, except The fog layer chooses ø50 multi-faceted hollow sphere. The material costs incurred above, plus production costs and company profits are the quotations. Take the 10,000 air volume tower diameter of 1.4 meters to calculate, with vertical anticorrosive circulating pumps and inlet and outlet pipes. The quotation is about 25,000 yuan.
The size of the scrubber is directly proportional to the capacity of the air volume. The larger the scrubber, the more air volume it can handle, and vice versa. For example, a circular spray tower of φ1.5-H4.2 (m) can handle air volume between 8000-10000, and is usually suitable for a space between 30㎡-33㎡ (the net height of the space is 3m, and the workshop needs to handle the air volume) ). Air volume calculation formula: equipment air volume = room volume (length × width × height) × ventilation constant (60-100 times), the constant here can be determined according to the working time.
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