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Low temperature waste heat generating set using dead steam of paper mill

A low-temperature waste heat and power generation device technology, which is applied in the direction of steam engine devices, machines/engines, mechanical equipment, etc., can solve the problems of waste of energy and water resources, achieve high efficiency, and solve the effect of waste of energy and water resources

Inactive Publication Date: 2015-08-12
SHANXI YITONG ENVIRONMENTAL ENERGY TECH GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem of waste of energy and water resources caused by the direct discharge of steam after drying in the current paper industry, and provides a low-temperature waste heat power generation device using exhaust steam in paper mills

Method used

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  • Low temperature waste heat generating set using dead steam of paper mill

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with accompanying drawing.

[0014] Such as figure 1 A low-temperature waste heat power generation device that uses exhaust steam in a paper mill is shown, including a exhaust steam distribution cylinder 1, a drying drum 2, a generator set 3, a condensate pump 4, and a control grid-connected cabinet 5. The exhaust steam distribution cylinder 1 passes through The pipelines are respectively connected to the drying drum 2 and the generator set 3, and the generator set 3 is also connected to the drying drum 2 and the condensate pump 4 through the pipelines, and the generator set 3 is also connected to the control grid-connected cabinet 5 to realize grid-connected operation.

[0015] Wherein the generator set 5 includes a condenser, a preheater, an evaporator, an expander and a working medium pump, the expander is a screw expansion power machine, and the evaporator includes a dry evaporator and a flooded ev...

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Abstract

The invention discloses a low temperature waste heat generating set using dead steam of a paper mill and relates to low temperature waste heat generating sets. The low temperature waste heat generating set comprises a dead steam separating air cylinder, a drying roller and a generator set; the dead steam separating air cylinder is connected with the drying roller and the generator set by pipelines respectively, the generator set is connected with the drying roller and a condensed water pump by pipelines, and the generator set is also connected with and controls a grid connection cabinet to realize grid connection operation. By the aid of the low temperature waste heat generating set, heat energy can be recycled to the maximal extent, the heat energy is converted into electric energy, and the problem of waste of energy and water resources existing in a papermaking industry is solved; and the set realizes unattended full-automatic operation in an operation process and is safe and reliable.

Description

technical field [0001] The invention relates to a low-temperature waste heat power generation device, in particular to a device for generating electricity by using steam generated in the drying process of a paper mill. Background technique [0002] In the traditional paper industry, an essential process is the wet paper sheet drying process. The superheated high-pressure steam generated by the boiler in the drying process enters the dryer to cool and then is discharged. In the case of ensuring the quality of the produced paper, automatic control is adopted. Intake of superheated steam, but there is still a part of high-pressure steam that cannot be condensed into water, and there is a phenomenon of high-temperature steam-water mixing at the outlet of the dryer discharge pipe. The high-temperature steam and water are mixed into the boiler reservoir, and the water can flow into the reservoir, but the steam is not released into the air, resulting in the loss of softened water. ...

Claims

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Application Information

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IPC IPC(8): F01K27/02F01C13/00
Inventor 张于峰赵保明穆永超张世顺
Owner SHANXI YITONG ENVIRONMENTAL ENERGY TECH GROUP
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