Method for waste steam recycling system

A waste steam and steam technology, which is applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve the problems of steam consumption, high operating costs, waste of condensed water resources, etc.

Inactive Publication Date: 2012-07-25
胡彬
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  • Description
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Problems solved by technology

A large amount of condensed water resources are wasted, a large amount of condensed sewage is generated, a large amount of steam is consumed, and the operating cost remains high

Method used

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Embodiment Construction

[0009] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0010] like figure 1 As shown, the dryer (1) produces a large amount of water vapor and a small amount of non-condensable gas in the dried wet sludge. When these gases leave the dryer, they carry part of the dry dust in the dryer and leave the dryer (1). The mixed gas (hereinafter referred to as exhaust gas) enters the cyclone dust collector (2) through the pipeline connected to the inlet of the cyclone dust collector (2) for ...

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Abstract

The invention relates to method for a waste steam recycling system. A dryer indirectly heats and dries wet materials by the aid of hot steam, a large quantity of waste gas mainly including water vapor is generated, a cyclone separator, a waste gas scrubber and a secondary evaporator can respectively remove dust, non-condensable gas and the like in the waste gas, the waste gas is changed into pure constant-pressure saturated steam, and a steam jetting pump can increase the pressure and the temperature of a large quantity of constant-pressure saturated steam by a small quantity of high-temperature and high-pressure steam, so that the steam can be recycled by the dryer. Latent heat of vaporization of the large quantity of saturated steam in the waste gas can be sufficiently utilized, waste gas treatment quantity is reduced greatly, a large quantity of cooling water is saved, condensed sewage is eliminated, environmental pollution caused by the dust, sewage, thermal discharge and the like is prevented, and energy conservation and emission reduction are realized. The quantity of equipment of a drying system is greatly reduced, reliability, stability and effectiveness of the system are improved, and running cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of energy saving and environmental protection, in particular to a systematic method for recycling waste steam. Background technique [0002] In chemical industry, iron and steel, electric power and other industries, a large amount of waste gas containing water vapor will be directly discharged into the environment. In addition, material drying also exists in large quantities in industrial production and agricultural and animal husbandry processing production. In the existing material drying process, it is also The exhaust gas produced in these industrial and agricultural productions is directly discharged into the environment after a little treatment. The waste gas containing a large amount of water vapor generated in these industrial and agricultural productions is directly discharged, which will not only cause heat, dust and other pollution to the environment, but also lose a large amount of renewable energ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00B01D53/00
Inventor 胡彬
Owner 胡彬
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