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Dead steam reclaiming method and equipment thereof

A waste steam recovery and equipment technology, applied in lighting and heating equipment, drying, furnace types, etc., can solve the problems of wasting heat, not easy to recycle, pollute the environment, etc., and achieve the effect of increasing power load and saving energy

Inactive Publication Date: 2008-01-02
山东泓洲化工机械有限公司
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Problems solved by technology

[0002] The important process of the production of starch by-products is the drying of by-products, which are generally produced by tube bundle dryers. During the drying process of materials, the water evaporation of by-products will generate a large amount of secondary steam. The above-mentioned steam is generally called waste steam. The volume flow rate of these waste steam is large and Low calorific value, mixed with a small amount of fiber, protein and a lot of air, it is not easy to recycle, direct discharge not only wastes a lot of heat, but also pollutes the environment

Method used

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  • Dead steam reclaiming method and equipment thereof

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Embodiment Construction

[0019] As shown in the drawings: the present invention includes a tube bundle dryer 1, a steam washing tower 4, corn steep liquor concentration equipment 6, a waste steam outlet is provided on the tube bundle dryer 1, and corn steep liquor concentration equipment includes a zero-effect evaporator 7, one-effect evaporation器8, two-effect evaporator 9, three-effect evaporator 10, condenser 11. The tube bundle dryer 1 is provided with an exhaust gas outlet, the top of the steam scrubber 4 is provided with a steam outlet, and the bottom of the tower is provided with a water outlet, the upper part of the steam scrubber 4 is provided with a water inlet, and the lower part is provided with a steam inlet , Sewage outlet, the exhaust steam outlet on the tube bundle dryer 1 is connected to the steam inlet on the steam scrubber 4 through the pipeline, and the steam outlet on the steam scrubber 4 is connected to the zero effect of the corn steeping equipment 6 through the pipeline The shell si...

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Abstract

The invention discloses a waste gas recovery method and device in waste heat utilizing technique domain, which is characterized by the following: generating waste gas from amidon by-product drying process; leading in maize milk condensing device; proceeding condensed process fro the maize milk; setting the waste gas recovery device as tube bundle dryer, maize milk condensing device and waste gas outlet on the tube bundle dryer; setting the maize milk condensing device as multi-effect evaporator; setting the evaporator as tube pass and shell pass; arranging washing gas tower between the tube bundle dryer and the maize milk condensing device. This invention possesses lower energy consumption, which can save energy from the maize milk condensing production.

Description

Technical field [0001] The invention belongs to the technical field of waste heat utilization, and specifically relates to a waste steam recycling method and equipment. Background technique [0002] An important process in the production of starch by-products is the drying of the by-products. Generally, tube bundle dryers are used for production. During the drying process of the by-product moisture, a large amount of secondary steam will be generated. The above-mentioned steam is generally called waste steam. The calorific value is low, mixed with a small amount of fiber, protein and a large amount of air, which is not easy to recycle. Direct emission not only wastes a lot of heat but also pollutes the environment. Summary of the invention [0003] The purpose of the present invention is to provide an energy-saving, consumption-reducing, environmentally friendly waste steam recycling method and equipment [0004] The present invention is realized through the following technical ...

Claims

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Application Information

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IPC IPC(8): F26B21/14F26B3/00
Inventor 黄桂东李培学
Owner 山东泓洲化工机械有限公司
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