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Nabha Power Limited
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Ash Management
Fly ash has become an important pivot in developing basic infrastructure for neighbouring communities, including community halls and playgrounds in nearby villages. NPL also contributes immensely towards nation building by way of releasing a significant amount of fly ash to major cement companies like Ultratech, Ambuja, ACC, Asian with long term contracts at concessional rates. We have helped more than 15 start-ups and small-scale industries to establish fly ash brick manufacturing industries by issuing free of cost fly ash. In our ongoing journey towards progress and clean surroundings, NPL is committed to implementing the best technologies for safe & environment friendly disposal of fly ash.
- Accomplished 100% Fly Ash Utilisation for the year 2019-20
- Accomplished 100% Pond Ash utilisation for the year 2019-20
- Mission “0” achieved as per MOEF guidelines towards ash utilisation
- Safe & smooth operation of a large fleet of bulkers to the tune of 26000 bulkers in a year on round the clock basis. Average fly ash bulkers handled is 70 per day
- Effectively reduced turnaround time of bulkers by efficient logistics management
Awards
- Efficient Fly Ash Management Award 2019
NPL Nabha Power Limited (NPL) awarded Runner up in the “Efficient Management of fly ash TPPs ≥ 500 MW” category at Fly Ash Utilisation-2019 organised by Mission Energy Foundation - Efficient Fly Ash Management Award 2018
NPL Nabha Power Limited (NPL) awarded Runner up in the “Efficient Management of fly ash TPPs ≥ 500 MW” category at Fly Ash Utilisation-2018 organised by Mission Energy Foundation - Efficient Fly Ash Management Award 2017
NPL Nabha Power Limited (NPL) awarded Runner up in the “Efficient Management of fly ash TPPs ≥ 500 MW” category at Fly Ash Utilisation-2017 organised by Mission Energy Foundation
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High Volume Pond Ash-Clay Bricks
A strong & light weight Product for building construction
About 60% Pond ash mixed with 40% clay/ black soil can be utilized for manufacturing clay ash bricks with traditional manufacturing process.
Manufacturing Process
Highlights of the process
- Manufacturing process is similar to traditionally followed clay brick
- No change in kiln operation-even single old kiln is
- No additional labour and equipment
Advantages of the process
- Less coal consumption in firing process
- Higher compressive strength & light weight as compared to clay
- Less cost of transportation as more bricks can be transported in one truck load because of light
- Manufacturing process is environment friendly as it helps to reduce soil degradation and pollution because of reduced soil & coal
- Better shaped red bricks
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Fly Ash/Pond Ash Bricks
A clean & Green Product for construction work
Advantages of Fly Ash/Pond Ash Bricks
- Fly ash/Pond ash bricks are produced with/without
- Plaster thickness required will, be less compared to clay bricks, thus saving of cement mortar.
- These bricks are environment friendly as:
- It uses fly ash/pond ash, which is by - product of thermal power
- Saves agricultural land which is used for manufacturing clay
- Less energy intensive compared to clay bricks and helps in keeping clean environment.
Manufacturing Process
- Fly Ash Bricks are machine made bricks manufactured by hydraulic or vibratory press
- Raw material required are fly ash & pond ash - a by-product of thermal power station, hydrated lime, gypsum, locally available sand/stone dust and
- Ordinary Portland Cement can also be used in place of hydrated lime and
- Raw materials in the required proportion are mixed in the pan mixer to have a semi dry uniform
- Semi dry mix is placed in the moulds of hydraulic/vibro
- Moulded bricks are air dried for one/two days in a shed depending upon the weather conditions and then water cured for 14-21
- The bricks thus produced are sound, compact and uniform in
- Bureau of Indian Standards have issued code IS:12894-2002 for ash
