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Waste-heat utilization heat exchanger with constant output fluid temperature

A fluid temperature and heat exchanger technology, applied in indirect heat exchangers, heat exchanger types, lighting and heating equipment, etc., can solve the problems of different output heat exchange fluid temperatures, and achieve long service life and good heat exchange effect. , Easy to clean effect

Inactive Publication Date: 2014-03-05
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem that the temperature of the output heat exchange fluid is different in the existing waste heat utilization heat exchanger, the present invention proposes an intelligently controlled waste heat utilization heat exchanger with a constant temperature of the output fluid

Method used

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  • Waste-heat utilization heat exchanger with constant output fluid temperature
  • Waste-heat utilization heat exchanger with constant output fluid temperature
  • Waste-heat utilization heat exchanger with constant output fluid temperature

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Embodiment Construction

[0031] The rhombic arrangement of heat exchange tube bundles (the heat exchange tube bundle is composed of several heat exchange tubes) and the rhombic structure of the shell described in the following content are the shapes viewed from a cut plane perpendicular to the central axis of the heat exchange tube bundle; the heat exchange tube spacing is Refers to the distance between the center axes of adjacent heat exchange tubes.

[0032] Such as image 3 As shown, the heat exchanger of the present invention includes a heat exchange tube bundle 7, a tail gas inlet 1, a tail gas outlet 2, and a shell 8. The heat exchange tube bundle 7 is arranged in the housing 8, and the heat exchange tube bundle is arranged in a rhombus shape, and the first side 19 of the rhombus arrangement of the heat exchange tube bundle is adjacent to the second side 20 of the rhombus arrangement of the heat exchange tube bundle, such as Figure 4 As shown, the first side 19 and the second side 20 are formed by ...

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Abstract

A waste-heat utilization heat exchanger with a constant output fluid temperature comprises heat exchange tube bundles, a shell, an inlet header and an outlet header. The heat exchange tube bundles are arranged in the shell, and the two ends of each heat exchange tube bundle are connected with the inlet header and the outlet header respectively. The inlet header is provided with an inlet pipe, the outlet header is provided with an outlet pipe, and a tail gas inlet and a tail gas outlet are formed in the upper portion and the lower portion of the shell respectively. The inlet pipe is provided with a valve and a temperature sensor, and an outlet temperature sensor is arranged in the outlet pipe. The temperature sensor and the valve are both in communication connection with a central control unit. The waste-heat utilization heat exchanger is an efficient clean type heat reclaim unit and has the advantages of being strong in heat-transfer capability and the like, the outlet water temperature is kept constant by the way of controlling the flow of heat exchange fluid which is input to the heat exchanger, the technical effect that the temperature of output water is constant can be achieved, and therefore intelligent control over the heat exchanger is achieved.

Description

Technical field [0001] The invention relates to a heat exchanger using waste heat with a constant outlet water temperature, and belongs to the technical field of heat exchangers. Background technique [0002] With the rapid economic development of our country, energy consumption is increasing, and the problem of deteriorating urban air quality has become more and more prominent. The problems of saving energy and reducing the emission of environmental harmful substances are urgent. In the common thermal power field, one of the main reasons for high energy consumption and serious pollution is that the exhaust temperature of flue gas is too high, which wastes a lot of energy and causes environmental pollution. The cement industry is an industry with high energy consumption and high pollution. The exhaust gas produced by the cement rotary kiln contains high dust concentration and poor quality. The waste heat power generation system for cement rotary kiln can recover and reuse the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D7/16
Inventor 程林杜文静王乃华
Owner SHANDONG UNIV
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