recovery boiler agent smelt spouts

US8707911B2 - Cooling system for ports in a boiler

A cooling system for air ports and other ports in furnace walls includes a cooling medium pumping system and ports provided with a cooling medium piping or channels inside the metallic port material. The liquid flow generated by the cooling medium system cools the ports. The ports are constructed of a casting material, and the ports are provided with a cooling liquid flow, which passes in a

Higher Reduction - an overview ScienceDirect Topics

Smelt is the product of inorganic reactions in the recovery furnace. At the same time as the carbon is consumed, the residual inorganic portion melts. Inorganics flow out of the furnace through smelt spouts, Fig. 11.6 The amount of smelt inside the recovery boiler

EP0761871B1 - Kraft recovery boiler furnace - Google

EP0761871B1 EP19960306596 EP96306596A EP0761871B1 EP 0761871 B1 EP0761871 B1 EP 0761871B1 EP 19960306596 EP19960306596 EP 19960306596 EP 96306596 A EP96306596 A EP 96306596A EP 0761871 B1 EP0761871 B1 EP 0761871B1 Authority EP European Patent Office Prior art keywords air furnace ports black liquor injection Prior art date 1995-09-11 Legal status (The legal

Kraft Pulp Mill Inspection Guide - EPA

Another special concern is the potential for an explosion of the smelt dissolving tank or recovery boiler. When molten smelt at a temperature of approximately 1600°F is added to smelt dissolving tanks containing water and green liquor, the instantaneous transfer of heat between the smelt and the liquid produces an explosion of steam.

(PDF) 45 years recovery boiler co-operation in Finland

45 years recovery boiler co-operation in Finland - International Conference, Sibelius hall, Lahti, June 3 - 5, 2009. Esa Vakkilainen. Christian Mueller. mikko hupa. Mikko Hupa. Esa Vakkilainen. Christian Mueller. mikko hupa. Mikko Hupa. Download with Google Download with Facebook or download with email.

With Destruction Of Organic Ingredient In Or

Justia Patents Paper Making And Fiber Liberation Patents Processes Of Chemical Liberation, Recovery Or Purification Of Natural Cellulose Or Fibrous Material Patents With Regeneration, Reclamation, Reuse, Recycling Or Destruction Of Digestion Fluid Patents With Destruction Of Organic Ingredient In Or Smelting Of Liquor Patents (Class 162/30.1)

In-Line Process Refractometers for Industry: pulp &

2019-11-19 · Information about In-line process refractometers and industrial refractometry for the pulp and paper, chemical, and food and beverage industries.

recovery boiler : definition of recovery boiler and

Recovery boiler is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor, which contains lignin from previously processed wood. The black liquor is burned, generating heat, which is usually used in the process or in making electricity, much as in a conventional steam power plant.The invention of the recovery boiler by G.H. Tomlinson

Recovery boiler - Wikipedia

2019-10-16 · Recovery boiler is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor, which contains lignin from previously processed wood. The black liquor is burned, generating heat, which is usually used in the process or in making electricity, much as in a conventional steam power plant.The invention of the recovery boiler by G.H. Tomlinson

boiler batu bara

Steam boiler is used for heating, gelatinization, and saccharify, etc. Heating equipment is equipped under mash kettle, and then steam produced by konsumsi batu bara oil boiler enter into the heating equipment, and then heat the raw materials for starch Get a

Smelt Spout Corrosion in a Recovery Boiler, 2010

Smelt Spout Corrosion in a Recovery Boiler, 2010 TAPPI/PAPTAC International Chemical Recovery Conference, 2010 TAPPI/PAPTAC International Chemical Recovery Conference Please Note : This document will be available in PDF format in the "My Electronic Documents" link on the home page once your order has been completed.

Disrupting the flow from the smelt spout of a

Disrupting the flow from the smelt spout of a recovery boiler Abstract. The intensity of explosions as a result of hot (750-820 degrees C.) smelt from a pulp mill recovery boiler impacting cool (70-100 degrees C.) liquid in a dissolving tank is minimized by more effectively disrupting the flow of smelt from a spout free end tip into the tank.

(PDF) Defect detection by neural networks.

Industrial processes are becoming progressively more and more unmanned and dependent on control components, so that the way to improve the processes confidence is by promoting rel

Higher Reduction - an overview ScienceDirect Topics

Smelt is the product of inorganic reactions in the recovery furnace. At the same time as the carbon is consumed, the residual inorganic portion melts. Inorganics flow out of the furnace through smelt spouts, Fig. 11.6 The amount of smelt inside the recovery boiler

boiler tube failure analysis prevention

An overheat boiler tube failure An overheat boiler tube failure Perdomo, J.; Spry, T. 2005-04-01 00:00:00 Failure analysis of an electric resistance welded carbon steel boiler tube demonstrated that the mechanism of failure was long-term overheat due to heavy internal scaling, followed by short-term overheat due to localized heating during

With Incinerator Or Evaporator Patents and Patent

The emptying may be started while smelt is still flowing in smelt spouts. The floor is emptied by sucking smelt from the furnace with a smelt eductor. The invention is also related to a device for removing smelt and wash water from a furnace of a soda recovery boiler by means of suction.

S.D. Warren Company Departmental Somerset County

2012-10-5 · S.D. Warren Company Departmental Somerset County Findings of Fact and Order Skowhegan, Maine New Source Review A-19-77-2-A 4 Amendment #1 This license has been processed as a major modification. As such, BACT applies to all criteria pollutants and TRS emissions from the Recovery Boiler and evaporators pursuant to 06-096 CMR 115.

Kraft Pulp Mill Inspection Guide - EPA

Another special concern is the potential for an explosion of the smelt dissolving tank or recovery boiler. When molten smelt at a temperature of approximately 1600°F is added to smelt dissolving tanks containing water and green liquor, the instantaneous transfer of heat between the smelt and the liquid produces an explosion of steam.

Recovery of Cobalt from Copper Converter Slag by

The reduction smelting process for cobalt recovery from converter slag of the Chambishi Copper Smelter in Zambia was studied. The effects of reducing agent dosage, smelting temperature and time

B&W Diamond Power - Babcock & Wilcox

B&W is the original equipment manufacturer of all Diamond Power ® boiler cleaning equipment, sootblowers, systems and replacement parts.Insist on the original! B&W works with customers to help resolve their most challenging boiler cleaning issues.We combine resources across our international B&W Diamond Power Products group to provide customers with the best, co-operative and productive

Shielding arrangement for the smelt spout area of a

A method for improving the operation safety of the smelt spout area of a recovery boiler, which smelt spout area comprises a working area (6

Production of Cellulose By Removing Non-Cellulose

METHOD FOR TREATING THE ASH FROM ELECTROSTATIC FILTERS OF THE RECOVERY BOILER IN A KRAFT PROCESS The invention relates to a method for treating the ash from electrostatic filters originating from the boiler of a liquor recovery circuit in a Kraft process for producing paper pulp. According to the method of the invention, carbon diox

Disrupting the flow from the smelt spout of a

Disrupting the flow from the smelt spout of a recovery boiler Abstract. The intensity of explosions as a result of hot (750-820 degrees C.) smelt from a pulp mill recovery boiler impacting cool (70-100 degrees C.) liquid in a dissolving tank is minimized by more effectively disrupting the flow of smelt from a spout free end tip into the tank.

(PDF) 45 years recovery boiler co-operation in Finland

45 years recovery boiler co-operation in Finland - International Conference, Sibelius hall, Lahti, June 3 - 5, 2009. Esa Vakkilainen. Christian Mueller. mikko hupa. Mikko Hupa. Esa Vakkilainen. Christian Mueller. mikko hupa. Mikko Hupa. Download with Google Download with Facebook or download with email.

(PDF) Understanding recovery boiler smelt runoff

Understanding recovery boiler smelt runoff phenomena the ability of smelt to flow out of recovery boiler spouts, is inversely related to smelt viscosity. the operating conditions of

Development of recovery boiler technology Abstract

2003-6-10 · Development of recovery boiler technology Dr Esa Vakkilainen Jaakko Pöyry Oy, Vantaa, Finland Recovery boiler also improved the smelt removal. It is removed directly from the furnace through smelt spouts into a dissolving tank. Even the first recovery units

Recovery of Cobalt from Copper Converter Slag by

The reduction smelting process for cobalt recovery from converter slag of the Chambishi Copper Smelter in Zambia was studied. The effects of reducing agent dosage, smelting temperature and time

US Patent for Cooling system for ports in a boiler

A typical port is an air port for feeding air to a boiler furnace. In addition to air ports, there are a number of openings, apertures, holes or passages in boiler walls for feeding substances, such as fuel or gas or chemicals, or for different instruments, devices, or equipment, such as control devices.

Reliable Cleaning of Recovery Boiler Smelt Spouts

system to give optimum boiler operation. Actual design will change depending on customer needs. The robot is available in standard sizes to suit any smelt spout layout, and behavior is designed to fit the specific boiler operation. The robot is also available with a range of advanced options. Reliable Cleaning of Recovery Boiler Smelt Spouts

(PDF) 45 years recovery boiler co-operation in Finland

45 years recovery boiler co-operation in Finland - International Conference, Sibelius hall, Lahti, June 3 - 5, 2009. Esa Vakkilainen. Christian Mueller. mikko hupa. Mikko Hupa. Esa Vakkilainen. Christian Mueller. mikko hupa. Mikko Hupa. Download with Google Download with Facebook or download with email.

US5437768A - Non-baffled low pressure drop vacuum

A spout for channeling smelt from a boiler through an opening in the walls of the boiler comprises a jacket having an inner wall and an outer wall. The outer wall is spaced a distance away from the inner wall and the jacket has one end insertable into the opening of the wall. The jacket defines a trough for carrying smelt from the boiler.

Kraft recovery boilers - High dry solids firing -

Recovery boiler also improved the smelt removal. It is removed directly from the furnace through smelt spouts into a dissolving tank. Some of the first recovery units employed the use of Cottrells electrostatic precipitator for dust recovery. 1-4

EP0761871B1 - Kraft recovery boiler furnace - Google

EP0761871B1 EP19960306596 EP96306596A EP0761871B1 EP 0761871 B1 EP0761871 B1 EP 0761871B1 EP 19960306596 EP19960306596 EP 19960306596 EP 96306596 A EP96306596 A EP 96306596A EP 0761871 B1 EP0761871 B1 EP 0761871B1 Authority EP European Patent Office Prior art keywords air furnace ports black liquor injection Prior art date 1995-09-11 Legal status (The legal

(PDF) PAC report (Engineering) March 1990 Jeff

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8: - dearbaba_1666 - CSDN

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