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40T furnace spray calcium desulfurization conveying system

40T furnace spray calcium desulfurization conveying system

石灰石粉 Limestone powder

0.55~2.0t/h炉 Production capacity 0.55 ~ 2.0t / h furnace

石灰粉仓、手动插板阀、喷射输送泵、料位计、给料机等 Required equipment: lime powder silo, manual flapper valve, jet conveyor pump, level gauge, feeder, etc.

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

Case introduction

Tips: The specific scheme and equipment application need to be professionally customized according to the actual situation of the user! 24-hour technical consultation hotline 0371-64560789!
The company has a 40t / h circulating fluidized bed boiler (reserving one for the second-stage boiler of the same scale). The boiler uses a limestone powder desulfurization process.
Consumption of designed limestone powder per furnace: 0.55t / h
Consumption of limestone powder for checking coal type per furnace: 0.55t / h
Limestone powder bulk density: 1.2-1.4t / m³
Maximum horizontal length of conveying: about 60 meters, vertical about 20 meters

Process flow

The process is shown in the following figure:
Limestone powder silo → manual flapper valve → pneumatic flapper valve → blanking tube → variable frequency speed regulating feeder → jet conveying pump → conveying pipe → ripple compensator → conveying branch pipe → boiler furnace
Roots fan
Performance guarantee and structural requirements
1) Overall structure: The limestone powder enters the variable frequency speed regulating feeder from the limestone powder silo through the manual and pneumatic blanking valve under the falling pipe, enters the jet pump through the variable frequency speed regulating feeder, and enters the boiler through the pipeline into the two limestone Inside the powder inlet, enter the furnace. The whole set of equipment should be able to guarantee positive pressure operation, with a pressure resistance of 100kPa.
2) Structural requirements of the frequency conversion speed regulating feeder: The frequency conversion speed regulating feeder should be able to realize the functions of rotary feeding and sealing. Guaranteed not to jam during operation. The rotor should be made of wear-resistant cast steel, the shell is sealed, and the pressure resistance is 100kPa.
3) Structural requirements of the jet conveying pump: continuous and uniform feeding should be realized, and the inlet part should be able to achieve the negative pressure zone.
4) The plug-in valve is a manual, pneumatic sealed plug-in valve.
5) Frequency conversion speed regulating feeder adopts frequency regulation to adjust the limestone feeding volume.
6) Roots blowers are used for conveying. The conveying system and conveying equipment should have good tightness. The design and manufacturing should ensure that the conveying wind does not return to the limestone silo from the feeding equipment during operation and does not leak from the equipment to the surrounding environment.

customer feedback

Thank you very much for the installation technicians of Gongyi Fucheng Machinery Factory, who can quickly and effectively help us with the installation and the successful trial operation. Now our fly ash can be used very well. A lot of thanks to the technicians of Fucheng, without any hard work, Thanks again and look forward to the next cooperation with your company.

20 years

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Consultation hotline

13803825057

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