Grate cooler uses wind and waste heat to generate electricity

In this paper, we measured experimentally the heat balance of the grate cooler, which provided initial operating parameters for optimization. Then, the grate cooler was simplified into a series-connected heat exchanger network by power flow method.
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Optimization Design of the Grate Cooler Based on the Power

cooling and waste heat recovery. In this paper, we measured experimentally the heat balance of the grate cooler, which provided initial operating parameters for optimization. Then, the grate

Combined Heat and Power Technology Fact Sheet Series:

apture and use of heat for a thermal purpose is classified as waste heat recovery, while capture and use of that heat to make electricity is WHP. While this fact sheet focuses on WHP C

Advanced Process Control for Clinker Rotary Kiln and Grate Cooler

The cement industry includes energy-intensive processes, e.g., clinker rotary kilns and clinker grate coolers. Clinker is obtained through chemical and physical reactions in

Assessment of energy and exergy efficiencies of a grate clinker cooling

2012, Energy. Grate coolers are widely used in cement industries to recover heat from hot clinker, coming out from the rotary kiln. This study focuses on improving the energy, exergy and

Design and Techno-economic analysis of power generating unit from waste

Studied the Kiln waste heat from the preheater is 270 °C with the amount of 2.054 kg/kg of clinker and clinker cooler outlet waste heat is 270 °C with the amount of 1.457 kg/kg

Supporting Energy Transition by Turning Geothermal

Like geothermal, waste-heat to power can support other industries requiring emission-free power and heat-use projects. The last piece of the puzzle for how conventional geothermal and industrial waste-heat can

Operation of a low-temperature differential heat engine for power

The power density of the proposed pyroelectric generator was 0.034 µW/ cm 2 to a heat-cool condition from 310 K to 340 K. Tong et al. [36] used industrial waste heat (<323 K)

(PDF) Investigation of Waste Heat Recovery in Cement

The aim of this work is to determine the waste heat recovery by utilizing the waste exit gases from the pre-heater and grate cooler to generate electricity, furthermore estimation of cost saving

Optimization of Grate clinker cooler Review

Energy, 2012. Grate coolers are widely used in cement industries to recover heat from hot clinker, coming out from the rotary kiln. This study focuses on improving the energy, exergy and recovery efficiencies of a grate cooling system through

About Grate cooler uses wind and waste heat to generate electricity

About Grate cooler uses wind and waste heat to generate electricity

In this paper, we measured experimentally the heat balance of the grate cooler, which provided initial operating parameters for optimization. Then, the grate cooler was simplified into a series-connected heat exchanger network by power flow method.

In this paper, we measured experimentally the heat balance of the grate cooler, which provided initial operating parameters for optimization. Then, the grate cooler was simplified into a series-connected heat exchanger network by power flow method.

Grate cooler, as a mature technology, is an effective manner to recovery the waste heat for pre-calciner kiln with a large capacity up to 10, 000 t/d clinkers. The grate coolers can be classified into two categories: traveling grate cooler and reciprocating grate cooler.

Furthermore, the system employs waste heat to produce electricity for the heat source and low-temperature power generation for the cold source, thereby guaranteeing the continuity of LNG gasification.

commercial applications in cement plant. The aim of this case study was generating power by utilizing waste heat from the dual sources using Steam Rankine Cycle. In the present work a WHRPG system is designed to recover waste heat for power generation purpose in the cement manufacturing process.

Waste heat to power (WHP) is the process of capturing heat discarded by an existing thermal process and using that heat to generate power (see Figure 1). Energy - intensive processes —such as those occurring at refineries, steel mills, glass furnaces, and cement kilns —all release hot exhaust gases and waste streams that can

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6 FAQs about [Grate cooler uses wind and waste heat to generate electricity]

Does grate cooler affect clinker cooling and waste heat recovery?

As an important process during the cement production, grate cooler plays significance roles on clinker cooling and waste heat recovery. In this paper, we measured experimentally the heat balance of the grate cooler, which provided initial operating parameters for optimization.

Can grate cooler be a series-connected heat exchanger network?

In this paper, we measured experimentally the heat balance of the grate cooler, which provided initial operating parameters for optimization. Then, the grate cooler was simplified into a series-connected heat exchanger network by power flow method.

Does grate cooler APC save energy?

In addition, the grate cooler APC system achieved a mean yearly saving equal to about 10% for electric energy consumption. Finally, a service factor greater than 94% was obtained after more than two years after commissioning the grate cooler APC. Table 11. Grate cooler APC system: KPI evaluation (kiln tertiary air temperature). Table 12.

What are the performance evaluation parameters of a grate cooler?

The performance evaluation parameters considered are clinker temperature, cooler loss and efficiency. This study revealed that the grate cooler efficiency estimated through heat consumption balances conformed to the designed standard. In , the nitrogen oxides (NO x) control problem is tackled.

How efficient is generating power from waste heat recovery?

The efficiency of generating power from waste heat recovery is heavily dependent on the temperature of the waste heat source. In general, economically feasible power generation from waste heat has been limited primarily to medium- to high-temperature waste heat sources (i.e., greater than 500 °F).

What is the grate cooler control KPI?

In addition, to the best of the authors’ knowledge, the grate cooler control KPI represented by the counter on the second sub-chamber pressure represents an additional technical innovation in the literature of APC systems on cement-industry clinker grate coolers.

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