Carbon rotary kiln waste heat boiler in china
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The carbon series waste heat boiler is mainly applied in the industries which produce carbon products and other related enterprises. Structure: The whole structure adapts vertical inverted Ⅱ type, with a horizontal suspended super heater, convection tubes arranged in rows, the Serpentine tube economizer ,the water cooling system, etc. It has the advantages of small size, low investment, novel structure and superior performance, etc.
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The extensive use of pulverized coal injections in blast furnace worldwide, calls for higher coke quality. On the other hand, as coking coals become more expensive, with volatile price and relative availability, coke producers look for the introduction of cheaper coals in the blend. One of the answers to either of these drivers is stamped charging, initially oriented to the use of high volatile poorly coking coals.
Briefly, the technique of charge preparation consists in preparing a cake with the coal blend in a metallic box, then charging it in the coke oven. The higher charge density implies better coke quality when compared with conventional charging. So, depending on the situation, either better coke quality may be obtained, or poorer coking coals may be included in the blend.
The process has been around since the early XX century. As an example, Coed Ely coke plant, in South Wales, UK, operated two batteries of 30 ovens each, built by Coppe Company in 1914, 34’ long, 8’ 6” high and 50’ width, with a stamping station located in the space between the two batteries. Straw was used as an aid to cake strength. Straw was used as a binder and a specially designed charger car/ram built to load the charge into the oven from the back. Coke made by the stamp charging process was of a denser and larger variety than that made in other ways, making its use ideal for ironmaking in foundries where strength is an important factor. Another advantage noted was that a much larger range of coals could be coked with the limits of (high) volatility and coking properties much increased [1]. Also, other plants in West and East Europe adopted the technique: Germany, France, Poland, and Ukraine.
Modern process development took place in Fuerstenhausen Coke Plant, Völklingen, Germany, focused in the use of high volatile Sarre basin coal. In 1978, after intensive research and development the first 6 meters high cake was produced, overcoming a bottleneck for the economical implantation of this technology. The first plant of this dimension was started-up in 1984, at what is called today ZKS Zentralkokerei Saar, Völklingen, Germany [2].
Then, stamped charging was adopted by Tata Steel in 1989 [3] and other plants in the same country. During this century, an impressive capacity was built in China, with more than 100 M tpy [4]. The first modern stamp charging plant in the Americas was built in 2010 in ThyssenKrupp Steel CSA, Santa Cruz, Brazil [5].
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3) The performance benefits of high-efficiency EPA filters in maintaining turbine output and efficiency over time, while reducing operating costs compared to lower-grade filters.
001
The document discusses revamping the desulphurization section of a coke oven plant. The desulphurization unit aims to remove hydrogen sulfide from coke oven gas. Before the revamping, the sulfur content after the desulphurization unit was high between 0.4-1.1 gm/Nm3. The revamping reduced the sulfur content to 0.1 gm/Nm3. Problems with the desulphurization plant included high sulfur levels, solution leaks, and improper temperature maintenance. The revamping solution involved changing the design of covers on vertical tubes to address leakage and insulating towers to maintain proper temperatures. Benefits of the revamping included lower environmental impact
AIChE 2018 improving catalytic reformer heaters using split flow technology rev2
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This document discusses reducing SPM (suspended particulate matter) levels at the screen house in a coke plant. It notes that screening operations generate a large amount of dust, with SPM levels exceeding safe limits. Several solutions are proposed, including using dry fog devices to control dust during screening. Dry fog devices use nozzles to spray a mist that reduces dust by moistening particles without making the coke wet. Other recommendations include improving conveyor transfer points and installing dust extraction systems at problem areas. The goal is to control dust and lower SPM levels to improve worker safety.
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The document discusses waste heat boilers used in coke dry quenching (CDQ) systems. CDQ systems cool coke using inert gas, which is then sent to a waste heat boiler. The boiler captures heat from the gas to generate steam. The document provides details on CDQ waste heat boiler models from Zhengzhou Boiler including specifications, fuel types, and contact information. It notes that CDQ systems and waste heat boilers allow energy and environmental benefits through waste heat recycling.
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Carbon rotary kiln waste heat boiler in china
- 1. Waste Heat Boiler Carbon Rotary Kiln Waste Heat Boiler Details Parameters General description Performance advantages Catalogue http://www.zgboilers.com/ Contact ways Project References Main specification Technical Parameter
- 2. 2 The quality is the test of the character . It is our mission to satisfy our customers. The boiler of this industry includes two series: carbon rotary kiln waste heat boiler and tank carbon waste heat boiler. The furnace has novel structure and advanced performance. GENERAL DESCRIPTION: Performance advantages Details Carbon Rotary Kiln Waste Heat Boiler Project References Waste Heat Boiler for cement plant 35t Carbon Kiln Waste Heat Power Boiler Kazakhstan float glass waste heat boiler in china Website: http://www.zgboilers.com/ Carbon Rotary Kiln Waste Heat Boiler It has the advantages of small size, low investment, novel structure and superior performance, etc.
- 3. Model Capacity(t/h) Pressure(MP a) Steam Temperature( ℃) Feed water Temperature( ℃) Fuel Factory mode Q9/850-3.0- 4.0/450 3 4 450 104 Carbon rotary kiln Exhaust gas waste heat field assembly Q15/850-5.0- 4.0/450 5 4 450 104 field assembly Q17.2/850- 6.0-2.5/400 6 2.5 400 104 field assembly Q23/905-10- 1.6/260 10 1.6 260 104 field assembly QC31/1000- 11-3.0/450 11 3 450 105 field assembly Q32/930-12- 2.45/400 12 2.45 400 104 field assembly Q33/1000- 13.5-3.82/450 14 3.82 450 104 field assembly Q35/950-15- 1.25/270 15 1.25 270 105 field assembly Q89/640-20- 2.45/400 20 2.45 400 104 field assembly QC57/1000- 22-3.82/450 22 3.82 450 104 field assembly Q51.4/1125- 25-2.45/400 25 2.45 400 105 field assembly Q69.5/1050- 32-3.82/450 32 3.82 450 150 field assembly QC80/1050- 33-3.82/450 33 3.82 450 104 field assembly QC84/940- 35-2.45/400 35 2.45 400 105 field assembly Q83.2/1000- 36-3.82/450 36 3.82 450 105 field assembly QC93.5/1100 -42.4- 3.82/450 42 3.82 450 104 field assembly 3 The quality is the test of the character . It is our mission to satisfy our customers. Parameters Website: http://www.zgboilers.com/
- 4. Cantact us http://www.zgboilers.com/ Factory Address: ZHENGZHOU BOILER(GROUP) CO.,LTD NO.88 Science Road,High and New Technology Development District, Zhengzhou,China 4 The quality is the test of the character . It is our mission to satisfy our customers. Sales Tel: 0086-371-86062323 Fax: 0086-371-86062323FAX Website: http://www.zgindustrialboiler.com/ Skype: zgboiler E-mail: zg@zgvessel.com