Serpentine pipe bundle waste heat recovery device

A waste heat recovery device, serpentine technology, applied in waste heat treatment, lighting and heating equipment, furnace components, etc., can solve the problems of aggravating atmospheric pollution, accelerating coal mining, consumption, etc., and achieve comprehensive product energy consumption reduction and energy saving , the effect of significant economic benefits

Inactive Publication Date: 2018-12-21
孙海霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the development of coal power will accelerate the mining and consumption of limited resources such as coal; on the other hand, coal power production produces a large amount of CO 2 and other greenhouse gases, exacerbating the environmental pollution of the atmosphere

Method used

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  • Serpentine pipe bundle waste heat recovery device

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Experimental program
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Effect test

Embodiment 1

[0023] like figure 1 As shown in the figure, the arrow in the figure indicates the flue gas flow direction. A hot water heat exchanger 4 is arranged in the flue 2 of the waste heat boiler at the kiln head and kiln tail leading to the chimney 1. Cold water is diverted from the cold water pipe 3 to the hot water heat exchanger 4. The cold water Heat exchange with the flue gas in the hot water heat exchanger 4, the cold water becomes hot water after the heat exchange, and the hot water is sent to the hot air curtain 6 through the hot water pipe 5, and the heat of the outdoor air and hot water is completed in the hot air curtain 6 exchange. The heated air enters the grate cooler 7, and the high-temperature flue gas output by the grate cooler 7 is transported to the waste heat boiler to increase the flue gas temperature at the inlet of the superheater and increase the power generation.

[0024] In this embodiment, the waste heat of the flue gas discharged from the kiln head and ki...

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Abstract

The invention provides a serpentine pipe bundle waste heat recovery device, and belongs to the technical field of a heat recovery device. According to the device, two ends of a flue communicate with achimney and a waste heat boiler respectively, a hot water heat exchanger is arranged in the flue, the lower end of the hot water heat exchanger communicates with a cold water pipe, the upper end of the hot water heat exchanger communicates with a hot air curtain through a hot water pipe, the hot air curtain is arranged in an air inlet pipe, one end of the air inlet pipe is an air inlet, the otherend of the air inlet pipe is connected with a grate cooler, and the other end of the grate cooler is connected with a waste heat boiler. According to the device, water is heated through a serpentinepipe heat exchanger and then enters the hot air curtain, air is heated by the water in the hot air curtain and then enters the grate cooler, the heated air is led into the grate cooler to carry out waste heat recovery, temperature of smoke at inlets of boilers at a kiln head and a kiln tail can be improved, generating capacity of the boilers at the kiln head and the kiln tail can be increased, andenergy can be saved; and waste heat of the smoke exhausting from the boilers at the kiln head and the kiln tail can be recovered, the influence of greenhouse gas on the environment can be reduced, fuel does not need to be supplemented in the power generation process, and no pollution can be generated.

Description

technical field [0001] The invention relates to a serpentine tube bundle waste heat recovery device, which belongs to the technical field of heat recovery devices. Background technique [0002] With the development of the cement industry, the energy-saving technology level of the cement industry in developed countries has developed rapidly. The low-temperature waste heat is recycled in the cement production process, and the heat energy utilization rate of cement clinker has been greatly improved. Influenced by the limitations of the environment and the awareness of energy conservation, there are still a large number of waste heat resources that have not been fully utilized, and the phenomenon of energy waste is still very prominent. [0003] Cement production has a strong consumption and dependence on electric energy, and the growth of the total amount of cement has played a role in promoting the growth of the total electricity consumption of the cement industry, which has e...

Claims

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Application Information

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IPC IPC(8): F27D17/00
CPCF27D17/004Y02P10/25
Inventor 孙海霞房君泽
Owner 孙海霞
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