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Handling device for liquor guns of a recovery boiler plant, a recovery boiler plant, and a method in a recovery boiler

A technology for operating devices and recovery boilers, which can be used in injection devices, pulping waste liquid combustion, etc., to solve problems such as dangerous environments, operator exposure, etc., and achieve the effect of the danger of safety personnel being injured.

Inactive Publication Date: 2010-07-28
METSO POWER OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Possibly a great disadvantage is that when the liquid gun needs to be changed, the operator is exposed to a dangerous environment

Method used

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  • Handling device for liquor guns of a recovery boiler plant, a recovery boiler plant, and a method in a recovery boiler
  • Handling device for liquor guns of a recovery boiler plant, a recovery boiler plant, and a method in a recovery boiler
  • Handling device for liquor guns of a recovery boiler plant, a recovery boiler plant, and a method in a recovery boiler

Examples

Experimental program
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Embodiment Construction

[0050] figure 1 The recovery boiler plant is shown in principle. The plant comprises a furnace 1 to which the black liquor to be burned is fed by a liquor lance 2 . The figure shows the liquid gun area 3 in the lower part of the device. The liquid gun area 3 usually includes the so-called main service platform for using and maintaining the liquid gun 2 . Below the liquid gun area 3 is the smelt spout area 4 . In this embodiment, above the liquid gun area 3 in turn is an air supply platform 5 . Depending on the application, the number and position of the air supply platforms 5 can be different. The different parts of this figure are not marked according to the exact dimensions between each other, because the purpose of this figure is only to show the position of the liquid gun area 3 of the present invention.

[0051] attached figure 2 Detail of area 3 of the liquid gun is shown. The figure shows the arrangement of the liquid lances 2 in the region adjacent to the wall ...

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Abstract

A handling device for liquor guns (2) of a recovery boiler plant, which device comprises transfer means (11) for transferring a nozzle (7) of a liquor gun to the furnace (1) of a boiler and out from the furnace. In addition, the invention relates to a recovery boiler plant as well as a method in a recovery boiler plant.

Description

technical field [0001] The invention relates to an operating device for a liquid gun of a recovery boiler plant. In addition, the invention relates to a recovery boiler plant and a method for use in a recovery boiler. Background technique [0002] Spent caustic liquor (the so-called black liquor produced in paper pulping) is burned in the recovery boiler, on the one hand, to recover the energy it contains and, on the other hand, to recover the chemical components it contains and to make the The chemical components are returned to the circulation. [0003] The black liquor is fed to the boiler in the so-called lance area, which consists of a number of lances with which pressurized black liquor is brought into the boiler interior. A typical facility includes an access platform (referred to as a main service platform) for the use and maintenance of the fluid gun. If for some reason the boiler changes to positive pressure, it is dangerous to move on this main service platform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B15/10D21C11/12
CPCD21C11/12
Inventor H·赛尼奥A·萨雷拉
Owner METSO POWER OY
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