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waste heat boiler and secondary reformer

secondary reformer --cnki

However,as for the Kellogg process,when the ratio of V(H 2+CO)/V(N 2)at the outlet of the secondary reformer is maintained at about 2 9 as required by NH 3 synthesis,CH 4 content at the outlet should be in a range of 0 4% 0 45% so

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factors affecting the efficiency of industrial gas fired

waste heat boiler and secondary reformer. Fire in secondary reformer outlet line to waste heat . This paper describes the failure of the pressure shell of an interconnecting pipe between the secondary reformer and primary waste heat boiler that led to a fire in Ammonia Unit I …

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Fire in secondary reformer outlet line to waste heat …

This paper describes the failure of the pressure shell of an interconnecting pipe between the secondary reformer and primary waste heat boiler that led to a fire in Ammonia Unit I after 13-and-a-half years of operation. The fire incident resulted at KRIBHCO in a plant shutdown of 15 days.

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Secondary Reforming Flowsheets - SlideShare

Secondary Reforming Flowsheets 1. Ammonia Secondary Reforming Flowsheet By: Gerard B. Hawkins Managing Director 2. Steam Reforming Section - Options H/C feed Pre- reformer Converts to H2, CO, CO2 + H2O + CH4 Secondary reformer Drives CH4 slip down + other fact0rs H2O Steam reformer Converts to H2, CO, CO2 + H2O + CH4 H2O Air or O2

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Failure of Waste Heat Boiler Downstream of …

There is an Open Access version for this licensed article that can be read free of charge and without license restrictions. The content of the Open Access version may differ from that of the licensed version.

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Failure of Waste Heat Boiler Downstream of …

There is an Open Access version for this licensed article that can be read free of charge and without license restrictions. The content of the Open Access version may differ from that of the licensed version.

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International Process Plants - ippe.com

2010-12-10 · The gases exit the secondary reformer through two waste heat boilers 101C A&B each producing 100 te steam per hour. The boilers are high heat flux Bayonet/scabbard type boilers. They are followed by a shell and tube boiler 102C 50te/hr capacity. These exchangers utilize the excess heat in the process stream. Your partner for complete plant

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SRU - Incinerator Burner, Incinerator Chamber, and …

For the challenging requirements of the Sulphur Recovery Unit (SRU), Calderys has a complete range of CO resistant materials and engineering designs. For this incineration section, Calderys provides special refractory technical solutions for restriction ring, tube sheets, as well as precast burner blocks with high thermal shock resistance.

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(PDF) Secondary Reformer Refractory Dry Out …

Provision made at temperature cycle. For refractor dry out of waste heat boiler exhaust gas position to control the internal positive with secondary reformer burner deployed through manhole pressure and so promoted temperature uniformity. Fig-6(detail of burner digital monitoring, CNG location etc.)

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Waste Heat Recovery - US Department of Energy

2010-1-12 · Waste Heat Recovery: 4.4.2 Secondary Aluminum Production Figure 11 ­Waste Heat Boiler 17 Figure 12 ­Stack Melter in A Die Casting Facility 17 Figure 13 ­Heat Recovery Curve for Natural Gas­Fired Boiler 18 Figure 14 ­Direct Contact Condensation Heat Recovery 20

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Second failure of reformed gas waste heat boiler …

2019-9-6 · After the feed gas and process steam was stopped to Primary Reformer and also process air stopped to Secondary Reformer, the acid header vent was still venting a lot of saturated steam from the gas stream side. Therefore, it might be concluded that the Reformed Gas Waste Heat Boiler 1-E …

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Waste Heat Recovery Systems - BORSIG

Our patented steam superheaters are suitable for steam pressures of up to 160 bar (16,000 kPa). The steam superheaters are arranged direct in line after the waste heat boilers which are connected to the secondary reformer or reformer – depending on the process.

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Silica Reduction in Secondary Ammonia Refromers

2017-10-8 · SILICA REDUCTION IN SECONDARY REFORMERS Hydrogen produced in the primary reformer at 1800°F (980 °C) passes through a transfer line to the secondary reformer where it is mixed with steam at about 2450 °F (1340 °C), passes through a catalyst bed and exits to a waste heat boiler at 1800°F (980 °C). From there it passes through

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waste heat boiler and secondary reformer - …

waste heat boiler in reformer coal biomass boilers . 2019-3-11 · Since over ten years, the experience gained with the manufacture of HIGH PRESSURE HEAT EXCHANGERS has enabled us to specialise in high performance equipments like AMMONIA CONVERTER, AMMONIA SECONDARY REFORMER, CARBAMATE CONDENSER and WASTE HEAT BOILER.

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secondary reformer

The autothermal or secondary reformer is a very simple piece of equipment with a proprietary burner and a catalyst 284 Phys. In this process the high-level heat from the secondary reformer outlet and the flue gas from the primary reformer are recycled to the

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Process Gas Cooler Downstream Secondary Reformer

2018-8-9 · Process Gas Cooler Downstream Secondary Reformer Scope Client Engineering of a waste heat boiler downstream secondary reformer, 160 t/h, ammonia plant YAT E904B, Trinidad and Tobago YARA Trinidad Ltd., Trinidad and Tobago Engineering and supply of a waste heat boiler downstream secondary reformer, 214 t/h, E2016 Tringen 1, Trinidad and Tobago

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Syngas Reforming Haldor Topsoe

2019-9-14 · The process gas waste heat boiler (WHB) is a critical piece of equipment cooling the hot synthesis gas exiting an ATR, a secondary reformer, or an SMR. The heat from the process gas is utilized to generate high pressure and high-quality steam …

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Failure of the transfer line in ammonia Plant and …

2006-8-15 · Krishak Bharati Cooperative Limited is a large Nitrogenous Fertiliser Complex situated in Western India. This plant is in operation since 1985. In the year 1999 after few days of plant start-up, one of the transfer lines connected between secondary reformer and waste heat boiler had a failure.

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(PDF) Secondary Reformer Refractory Dry Out Operation

PDF Secondary reformer refractory baking and dry out cycle requires very slow and controlled heating of refractory. Thermal stresses will be produced if heating rate is too rapid. Longer period

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Waste heat recovery boiler - yoshimine.co.jp

2014-4-1 · circulation boiler, which attempt to recover drastically the exhaust heat rather than for the waste heat, for the demand of co-generating system including gas turbine and diesel engine have been increasing recently. Moreover, Yoshimine is trying to make the total heat balance efficient now, employing the additional burning method.

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