CN210862268U - High-temperature flue gas balance pipeline structure - Google Patents

High-temperature flue gas balance pipeline structure Download PDF

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Publication number
CN210862268U
CN210862268U CN201921814134.1U CN201921814134U CN210862268U CN 210862268 U CN210862268 U CN 210862268U CN 201921814134 U CN201921814134 U CN 201921814134U CN 210862268 U CN210862268 U CN 210862268U
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pipe
main exhaust
flue gas
pipeline
exhaust pipeline
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陈�胜
陈文战
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Yangzhou Oupu Machinery Manufacturing Co ltd
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Yangzhou Oupu Machinery Manufacturing Co ltd
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Abstract

A high-temperature flue gas balance pipeline structure comprises a first main exhaust pipeline, a second main exhaust pipeline, a first flow pipe and a second flow pipe, wherein three-way pipe structures are arranged on the first flow pipe and the second flow pipe respectively; hydraulic balance turning plates are arranged at three circulation ports of the three-way pipe structure; the high-temperature flue gas balance pipeline structure designed by the scheme realizes the intercommunication of the two main exhaust pipelines through the three-way pipe, adjusts the opening degree of the hydraulic balance turning plate, allocates the flue gas flow of the two flues, and solves the problem of unbalanced flue gas flow of the two large flues of the large sintering machine.

Description

High-temperature flue gas balance pipeline structure
Technical Field
The utility model belongs to the technical field of the exhaust pipe, concretely relates to balanced pipeline structure of high temperature flue gas.
Background
The sintering machine is suitable for sintering operation of large-scale ferrous metallurgy sintering plants, and is mainly suitable for sintering treatment of iron ore powder in large-scale and medium-scale sintering plants; two big flues are usually designed for large-scale sintering machines, and the flue gas volume is unbalanced usually for two big flues, and this is also the difficult problem that uses the sintering machine trade in China to receive the puzzlement always, can arouse a series of technical problem, if two big flues flue gas volume unbalance makes the temperature of two flues produce the difference, leads to low temperature flue temperature to hang down flue gas corrosion electrostatic precipitator and main air exhauster excessively, and high temperature flue temperature is too high to form the potential safety hazard, needs open cold wind suction valve.
Therefore, it is necessary to design a high-temperature flue gas balance pipeline structure to ensure the balance of the flue gas amount in the two large flues, thereby effectively solving the technical problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a high-temperature flue gas balance pipeline structure.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: a high-temperature flue gas balance pipeline structure comprises a first main exhaust pipeline, a second main exhaust pipeline, a first flow pipe and a second flow pipe, wherein fans are arranged at the pipe orifices of the first main exhaust pipeline and the second main exhaust pipeline; the first flow pipe and the second flow pipe are both provided with a three-way pipe structure, the three-way pipe structure of the first flow pipe comprises a first branch pipe and a second branch pipe, the three-way pipe structure of the second flow pipe comprises a third branch pipe and a fourth branch pipe, the first branch pipe is communicated with the first main exhaust pipeline, the third branch pipe is communicated with the second main exhaust pipeline, the second branch pipe and the fourth branch pipe are in a cross shape, the second branch pipe is communicated with the second main exhaust pipeline, and the fourth branch pipe is communicated with the first main exhaust pipeline; and hydraulic balance turning plates are arranged at three circulation ports of the three-way pipe structure.
Preferably, the three-way pipe structure adopts a square pipeline, and the first through pipe and the second through pipe adopt a circular pipeline.
Preferably, the three-way pipe structure and the hydraulic balance turning plate are made of high-quality stainless steel materials.
The structural features of the above solution are explained as follows:
the high-temperature flue gas balance pipeline structure designed by the scheme has the following specific working principle: the fans are arranged at the ports of the first main exhaust pipeline and the second main exhaust pipeline, so that the first main exhaust pipeline and the second main exhaust pipeline are in a negative pressure state, smoke in the first circulating pipe and the second circulating pipe can downwards enter the two main exhaust pipelines respectively, the three-way pipes at the lower parts of the two circulating pipes can realize the intercommunication of the two main exhaust pipelines, the opening degree in the pipelines is adjusted through the hydraulic balance turning plate, if more smoke in the first circulating pipe exists, the smoke in the first circulating pipe is guided into the second main exhaust pipeline through the third branch pipe, the fourth branch pipe is plugged through the hydraulic balance turning plate, the smoke in the second circulating pipe can not enter the first main exhaust pipeline, the two hydraulic balance turning plates are required to be linked, and the balance of the smoke amount in the two main exhaust pipelines is realized.
The junction of the upper and lower parts of the three-way pipe and the circulating pipe adopts a unique design of a square and a ground, namely the three-way pipe is a square pipe, the circulating pipe is a round pipe, blockage caused by falling of a sintering machine trolley grate bar can be effectively prevented, the leakage rate is controlled within the range of 1%, and the sealing effect is better achieved.
Because the working condition temperature in the large flue reaches 400 ℃, the main body of the three-way pipe equipment is made of high-quality stainless steel, and the requirements of the field working conditions are met; meanwhile, the working condition negative pressure in the large flue reaches 22000Pa, the blanking of the sintering machine erodes the hydraulic balance turning plate, the abrasion is serious, the sulfur content of the flue gas is too high, and the corrosivity is high, so the hydraulic balance turning plate adopts a stainless steel structure and an abrasion resistance measure.
The utility model has the advantages that: the high-temperature flue gas balance pipeline structure designed by the scheme realizes the intercommunication of two main exhaust pipelines through the three-way pipe, adjusts the opening degree of the hydraulic balance turning plate, and allocates the flue gas flow of two flues, thereby solving the problem of unbalanced flue gas flow of two large flues of a large sintering machine; the whole structure is simple, the use is convenient, and the practicability is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the above drawings, a first main exhaust pipeline 1, a second main exhaust pipeline 2, a first through pipe 3, a second through pipe 4, a first branch pipe 5, a second branch pipe 6, a third branch pipe 7, a fourth branch pipe 8, and a hydraulic balance flap 9.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b): as shown in fig. 1, a high-temperature flue gas balance pipeline structure comprises a first main exhaust pipeline 1, a second main exhaust pipeline 2, a first flow pipe 3 and a second flow pipe 4, wherein fans are arranged at pipe openings of the first main exhaust pipeline 1 and the second main exhaust pipeline 2; the three-way pipe structure is arranged on the first through pipe 3 and the second through pipe 4, the three-way pipe structure of the first through pipe 3 comprises a first branch pipe 5 and a second branch pipe 6, the three-way pipe structure of the second through pipe 4 comprises a third branch pipe 7 and a fourth branch pipe 8, meanwhile, the first branch pipe 5 is communicated with the first main exhaust pipeline 1, the third branch pipe 7 is communicated with the second main exhaust pipeline 2, the second branch pipe 6 and the fourth branch pipe 8 are in a cross shape, the second branch pipe 6 is communicated with the second main exhaust pipeline 2, and the fourth branch pipe 8 is communicated with the first main exhaust pipeline 1; hydraulic balance turning plates 9 are arranged at three circulation ports of the three-way pipe structure; the high-temperature flue gas balance pipeline structure designed by the scheme has the following specific working principle: because the fans are arranged at the ports of the first main exhaust pipeline 1 and the second main exhaust pipeline 2, the insides of the first main exhaust pipeline 1 and the second main exhaust pipeline 2 are in a negative pressure state, smoke in the first through pipe 3 and the second through pipe 4 can respectively enter the insides of the two main exhaust pipelines downwards, meanwhile, the three-way pipes at the lower parts of the two circulating pipes can realize the intercommunication of the two main exhaust pipelines, the opening degree in the pipelines is adjusted by the hydraulic balance turning plate 9, if the smoke in the first through-flow pipe 3 is more, the smoke in the first through-flow pipe 3 is guided into the second main exhaust duct 2 through the third branch pipe, meanwhile, the fourth branch pipe is blocked by the hydraulic balance turning plate 9, so that the smoke in the second through pipe 4 can not enter the first main exhaust pipeline 1, and the two hydraulic balance turning plates 9 are required to be linked, so that the balance of the smoke in the two main exhaust pipelines is realized.
The preferred embodiment is as follows:
the structure of the three-way pipe adopts a square pipe, and the first through pipe 3 and the second through pipe 4 adopt circular pipes; the junction of the upper and lower parts of the three-way pipe and the circulating pipe adopts a unique design of a square and a ground, namely the three-way pipe is a square pipe, the circulating pipe is a round pipe, blockage caused by falling of a sintering machine trolley grate bar can be effectively prevented, the leakage rate is controlled within the range of 1%, and the sealing effect is better achieved.
The three-way pipe structure and the hydraulic balance turning plate 9 are made of high-quality stainless steel materials; because the working condition temperature in the large flue reaches 400 ℃, the main body of the three-way pipe equipment is made of high-quality stainless steel, and the requirements of the field working conditions are met; meanwhile, as the working condition negative pressure in the large flue reaches 22000Pa, the blanking of the sintering machine erodes the hydraulic balance turning plate 9, the abrasion is quite serious, the sulfur content of the flue gas is too high, and the corrosivity is higher, so the hydraulic balance turning plate 9 adopts a stainless steel structure and an abrasion resistance measure.
The beneficial effect of this embodiment does: the opening degree of the hydraulic balance turning plate 9 is changed, the air quantity is adjusted to balance the pressure of the two flues, and the flue gas flow of the two flues is adjusted, so that the working conditions of the two main exhaust fans work within the working condition range; the opening degree of the hydraulic balance turning plate 9 at different positions is changed, the air quantity is adjusted to balance the temperature of the two flues, so that the temperature of the two flues tends to be close, and the problems that the electric dust remover and the main exhaust fan are corroded by low-temperature flue gas at low temperature or a cold air suction valve needs to be opened due to high-temperature flue gas at high temperature are avoided.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (3)

1. The utility model provides a high temperature flue gas balance pipeline structure which characterized in that: the air conditioner comprises a first main exhaust pipeline, a second main exhaust pipeline, a first flow pipe and a second flow pipe, wherein fans are arranged at pipe orifices of the first main exhaust pipeline and the second main exhaust pipeline; the first flow pipe and the second flow pipe are both provided with a three-way pipe structure, the three-way pipe structure of the first flow pipe comprises a first branch pipe and a second branch pipe, the three-way pipe structure of the second flow pipe comprises a third branch pipe and a fourth branch pipe, the first branch pipe is communicated with the first main exhaust pipeline, the third branch pipe is communicated with the second main exhaust pipeline, the second branch pipe and the fourth branch pipe are in a cross shape, the second branch pipe is communicated with the second main exhaust pipeline, and the fourth branch pipe is communicated with the first main exhaust pipeline; and hydraulic balance turning plates are arranged at three circulation ports of the three-way pipe structure.
2. The high-temperature flue gas balance pipeline structure according to claim 1, characterized in that: the structure of the three-way pipe adopts a square pipeline, and the first through pipe and the second through pipe adopt circular pipelines.
3. The high-temperature flue gas balance pipeline structure according to claim 1, characterized in that: the tee pipe structure and the hydraulic balance turning plate are made of high-quality stainless steel materials.
CN201921814134.1U 2019-10-25 2019-10-25 High-temperature flue gas balance pipeline structure Active CN210862268U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921814134.1U CN210862268U (en) 2019-10-25 2019-10-25 High-temperature flue gas balance pipeline structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921814134.1U CN210862268U (en) 2019-10-25 2019-10-25 High-temperature flue gas balance pipeline structure

Publications (1)

Publication Number Publication Date
CN210862268U true CN210862268U (en) 2020-06-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921814134.1U Active CN210862268U (en) 2019-10-25 2019-10-25 High-temperature flue gas balance pipeline structure

Country Status (1)

Country Link
CN (1) CN210862268U (en)

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