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Scheme of 40T Furnace Pneumatic Ash Conveying System of Thermoelectric Company

Scheme of 40T Furnace Pneumatic Ash Conveying System of Thermoelectric Company

粉煤灰 Processing material fly ash

3.4t/h Production capacity 3.4t / h

料封泵,罗茨风机,加湿搅拌机,布袋除尘器,干灰散装机,压力释放阀,陶瓷复合管等 Required equipment: material seal pump, roots blower, humidifier, bag filter, dry ash bulk machine, pressure release valve, ceramic composite pipe, etc.

I have a similar demand and my production line needs to be updated

Case introduction

Gongyi Fucheng Machinery Factory designs the pneumatic ash conveying, ash storage and ash storage system of Inner Mongolia Thermoelectric Company 40T furnace, and provides ash transportation equipment and installation commissioning. It also provides technical requirements for the construction of pneumatic ash transportation and ash storage and ash storage equipment. After a detailed discussion, the following schemes were made. This technical solution is applicable to the pneumatic ash conveying and ash storage system of the 40T furnace of the thermoelectric company. It includes the technical requirements for the functional design, structure, performance, installation, testing and maintenance of pneumatic ash conveying system and ash storage. The specific scheme should be designed according to the specific requirements of the user.

The thermoelectric company newly built a 40t circulating fluidized bed boiler. The boiler's fly ash collection system uses electric and bag dust collectors. The first and second electric fields are electric dust collectors and the third electric field is bag dust collector. The system has three ash collection buckets. The height of the ash collecting bucket exit is about 4-4.5 meters, a new 200m³ steel ash warehouse is built, the dust collector is about 50 meters to the center of the ash warehouse, and the lifting height is about 20 meters. The ash conveying system is equipped with a PLC control cabinet and the control cabinet is placed in the main plant In the electronic equipment room, the upper computer is installed in the main control room.
Pneumatic Ash Delivery Site

Process flow

The ash storage ash is unloaded in two ways (see the attached picture): dry discharge and wet discharge. The fly ash storage is provided with an ash outlet, and a fine ash gate and an electric feeder are installed at the ash outlet. It is convenient for maintenance and stable feeding. It is equipped with a two-shaft humidifying mixer and a car bulk machine on the two-story platform.
System technical parameters and technical requirements
1. One 1 × 40t / h fluidized bed boiler, this time adding ash conveying system, ash warehouse and ash warehouse system.
2. The furnace's fly ash collection system adopts electric and cloth dust removal. The type of dust collector is electric dust removal in the first and second electric fields, and bag dust removal in the third electric field.
3. The elevation of the ash hopper of the dust collector of this furnace is about 4-4.5 meters, the center distance of each ash hopper is 4 meters, and the total ash collection is about 3.4t / h.
4. The ash distribution of each set of ash buckets is: 75%: 15%: 10%.
5. Ash storage capacity: about 200m 3 , the height of the second floor platform is about 5 meters.
6. Equivalent distance is about 100 meters and lifting height is about 20 meters.
7. The ash output form of the ash warehouse adopts: humidification mixing system and dry ash bulk system.
8. The ash conveying adopts a low-pressure pneumatic conveying system to send the ash from the three ash collection buckets to the ash warehouse.
9. The ash conveying and ash warehouse control systems are controlled by PLC.

customer feedback

The pneumatic ash conveying system designed by Fucheng Machinery Factory for our company is very simple and efficient. The operating cost of the entire project is low, the system is relatively stable and reliable, and the fly ash is effectively transported and used. Dust and noise pollution are in full compliance with national environmental protection standards. This cooperation has fully met our expected requirements. In the future, Fucheng Machinery Factory will continue to be selected as the cooperation object.
Material seal pump for pneumatic ash conveying equipment
Pressure relief valve
Humidifier

20 years

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