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Easy-to-clean heat exchange coil type high-efficiency heating furnace

A heating furnace and high-temperature heating technology, which is used in the chemical industry, civil heating furnaces, and petroleum fields, can solve the problems of short service life of heat exchange coils, cumbersome cleaning operations, and poor cleaning effects, and achieves improved cleaning efficiency and convenience. Excellent effect of cleaning operation and environmental protection

Active Publication Date: 2018-11-16
CHENGGONG GASOLINEEUM SCI & TECH DONGYING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned defects of the prior art, the primary purpose of the present invention is to provide a detachable and easy-to-clean heat exchange coil, which solves the cumbersome operation of scale removal in the prior art, the poor effect of scale removal, easy environmental pollution and heat exchange problems. The defect of short life of the coil; secondly, the present invention also provides a heating furnace installed with the above-mentioned detachable and easy-to-clean heat exchange coil. In addition to solving the above technical problems, it can also improve the overall thermal efficiency of the boiler and reduce energy consumption.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] see figure 1 , a heating furnace equipped with heat exchange coils that are easy to clean. The heat exchange coils of this heating furnace adopt a horizontal layout (vertical layout can also be used according to actual needs), which includes a square furnace body, and the furnace body passes through The interval between the transverse partitions 4 is an upper heating furnace body 21 (i.e. a low-temperature heating furnace body) and a lower heating furnace body 10 (i.e. a high-temperature heating furnace body), and the lower heating furnace body 10 is separated by a left pyrotechnic shielding plate 24 and a right pyrotechnic shielding plate 7 It is the central combustion chamber 3 and the left descaling chamber 27 and the right descaling chamber 8 on both sides, and the descaling chambers are all provided with openable doors.

[0038] The structure of the flue gas system is described below: the combustion chamber 3 is connected to the burner 1 outside the furnace body, t...

Embodiment 2

[0047] see figure 2 , a heating furnace installed with heat exchange coils that are easy to clean. The heat exchange coils of this heating furnace adopt a horizontal layout (or a vertical layout according to needs), which includes a square furnace body, and the furnace body passes through the horizontal layout. The partition plate 4 is separated by an upper heating furnace body 21 (i.e. a low-temperature heating furnace body) and a lower heating furnace body 10 (i.e. a high-temperature heating furnace body), and the lower heating furnace body 10 passes through the left pyrotechnic shielding plate 24 and the right pyrotechnic shielding plate 7. The combustion chamber 3 in the center and the left descaling chamber 27 and the right descaling chamber 8 on both sides, and the descaling chambers are all provided with openable doors.

[0048] The lower heating furnace body 10 is connected to the burner 1, and the transverse partition plate 4 is provided with a smoke outlet 28 to con...

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Abstract

The invention discloses a heat exchange coil pipe type efficient heating furnace allowing scales to be removed easily. Heat exchange coil pipes comprise one or more rows of straight pipe sets arranged at intervals side by side, and the rows of straight pipe sets are connected in parallel or in series through communicating pipes; each row of straight pipe sets comprise multiple straight pipes arranged at intervals side by side, wherein the straight pipes are sequentially connected in parallel or in series through straight pipe communicating pipes, and at least one end of each straight pipe is of a movably open structure and provided with a detachable blocking part. The detachable design is adopted in the ends of the heat exchange coil pipes, scale removal operation is facilitated, secondary damage to the heat exchange coil pipes caused by a traditional acid (alkali) cleaning scale removal method can be thoroughly eliminated, and pollution of acid (alkali) cleanout fluid to the environment is eradicated; the efficient heating furnace is convenient to manufacture and maintain, the manufacturing difficulty and the level of a boiler are lowered, and the manufacturing cost is low. The heating furnace is larger in heat exchange area and higher in heat efficiency, the discharge temperature of flue gas is reduced, and the effects of energy conservation and emission reduction are greatly improved.

Description

technical field [0001] The invention belongs to the fields of petroleum and chemical industries and civil heating furnaces, and in particular relates to a heat exchange coil type high-efficiency heating furnace which is easy to clean scale. Background technique [0002] At present, the medium tubes (heat exchange coils) of industrial and civil boilers in my country are prone to scaling, especially the scaling problem of medium tubes used in environments with high salinity is very serious. The thermal conductivity of the fouled medium tube will be greatly reduced; if the scale continues to be used, the heating effect of the medium will become worse and worse, and the energy consumption will also increase accordingly, and the surface of the medium tube will also be generated due to fouling. Mass, or even perforation shortens its lifespan. The problem of descaling of medium pipes has been bothering boiler manufacturers and boiler users. At present, the following cleaning meth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/00F24H1/40F22B37/10F22B31/08
Inventor 于娇赵文杰于云龙刘静邹美荣于希敏
Owner CHENGGONG GASOLINEEUM SCI & TECH DONGYING
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