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Periodic blowdown flash tank with double-cavity preheating

A technology for regular sewage discharge and container expansion, applied in the field of sewage discharge and expansion container, can solve the problems of poor heat reuse efficiency, unfavorable environmental protection and other problems, and achieve the effects of reducing treatment cost, simple structure and reducing impact.

Inactive Publication Date: 2017-05-31
天津富斯特压力容器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention aims to propose a dual-cavity preheated periodic sewage expansion vessel to solve the problems in the prior art that the sewage expansion vessel has poor heat reuse efficiency and is not conducive to environmental protection

Method used

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  • Periodic blowdown flash tank with double-cavity preheating
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Embodiment Construction

[0019] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0020] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides a periodic blowdown flash tank with double-cavity preheating. The periodic blowdown flash tank comprises a tank body and a heat exchange pipe; the interior of the tank body is divided into an upper steam cavity and a lower sewage cavity by a partition plate; a water inlet pipe is arranged on the outer side wall of the tank body, and a buffer baffle is arranged at one end, extending into the lower sewage cavity, of the water inlet pipe; the heat exchange pipe is arranged in the tank body, a part, extending out of the tank body from the upper steam cavity, of the heat exchange pipe is a liquid inlet, and a part, extending out of the tank body from the lower sewage cavity, of the heat exchange pipe is a liquid outlet; each of the end parts of the liquid inlet and the liquid outlet is fixedly connected with a flange; the part, arranged in the upper steam cavity, of the heat exchange pipe is an upper spiral section, and the part, arranged in the lower sewage cavity, of the heat exchange pipe is a lower spiral section; and the upper spiral section and the lower spiral section are of a coil pipe structure and communicate to each other by vertically penetrating through the partition plate. According to the periodic sewage drainage expanding device with double-cavity preheating, heat of medium in the upper steam cavity and the lower sewage cavity can be effectively utilized, the working efficiency is improved, and the treatment cost of high-temperature sewage is lowered at the same time.

Description

technical field [0001] The invention belongs to the technical field of boiler heat recovery, in particular to a blowdown expander. Background technique [0002] In traditional boiler equipment, blowdown expansion vessels are often used. During the use of the sewage expansion vessel, only a small amount of sewage is flashed into steam for utilization, and the rest of the high-temperature sewage that has not been flashed is not used, and is directly discharged to the sewage cooling tank for cooling and discharge. This working process not only wastes the heat carried by the high-temperature sewage, but also allows it to cool naturally or feed it with cooling water, which will increase the production cost. In addition, the way of introducing cold and scarce water will also increase the amount of sewage discharge, which is not conducive to environmental protection. Contents of the invention [0003] In view of this, the present invention aims to propose a double-cavity prehea...

Claims

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Application Information

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IPC IPC(8): F22B37/54F22B37/50
CPCF22B37/54F22B37/50
Inventor 刘红俊
Owner 天津富斯特压力容器有限公司
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