CN210569882U

CN210569882U - Shaft furnace combustion system is used in copper pole processing

Info

Publication number: CN210569882U
Application number: CN201920992971.7U
Authority: CN
Inventors: 任结; 秦怀
Original assignee: Anhui Chujiang High Tech Electric Wire Co ltd
Current assignee: Anhui Chujiang High Tech Electric Wire Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-19
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a shaft furnace combustion system is used in copper pole processing relates to industrial production equipment field, the utility model discloses a follow supreme furnace that sets gradually down, the furnace bucket, chimney and petticoat pipe, wherein, furnace's upper portion is provided with the furnace gate that the copper billet was added is separated in the power supply, furnace's lower part is provided with the chute, and be provided with two sets of burner along its direction of height on this furnace's the lateral wall, every burner of group all includes a plurality of nozzles that set up along furnace lateral wall circumference equidistant, the nozzle is 55~65 with vertical direction and arranges, on furnace's the lateral wall, and the top that is located two sets of burner still is provided with oxygen supply device, oxygen supply device includes a plurality of pure oxygen lances that set up along furnace lateral wall circumference equidistant. The utility model discloses a predominant use can improve the combustion rate and expect the effect, simultaneously, reduces the emission of CO content in the tail gas, improves tail gas utilization ratio.

Description

Shaft furnace combustion system is used in copper pole processing

Technical Field

The utility model relates to an industrial production equipment field, more specifically say, relate to a shaft furnace combustion system is used in copper pole processing.

Background

The shaft furnace is used as a low-oxygen copper rod melting furnace, the low combustion efficiency is always the main factor influencing the manufacturing cost of the copper rod, and the low combustion efficiency accounts for about 30-40% of the processing cost of the copper rod. How to improve the combustion mode of the shaft furnace, improve the use effect of fuel gas and reduce the emission of CO content in tail gas becomes a key factor for improving the combustion efficiency of the shaft furnace. The double-row burner is controlled by a CO analyzer at present, the size of mixed wind power is regulated and controlled, and the utilization efficiency is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome among the prior art shaft furnace combustion rate low, preheat the effect poor to and CO content is high in the tail gas is not enough, provides a shaft furnace combustion system is used in copper pole processing, adopts the technical scheme of the utility model, can improve the combustion rate and expect the effect, simultaneously, reduce the emission of CO content in the tail gas, improve tail gas utilization ratio.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a shaft furnace combustion system is used in copper pole processing, include the supreme furnace, cask, chimney and the petticoat pipe that set gradually down from the following, wherein, furnace's upper portion is provided with the furnace gate that the copper billet added for electrolysis, furnace's lower part is provided with the chute, and is provided with two sets of burner along its direction of height on this furnace's the lateral wall, and every burner of group all includes a plurality of nozzles that set up along furnace lateral wall circumference equidistant, the nozzle is 55~65 with vertical direction and arranges, on above-mentioned furnace's the lateral wall, and the top that is located two sets of burner still is provided with oxygen supply device, oxygen supply device include a plurality of pure oxygen lances that set up along furnace lateral wall circumference equidistant.

Further, the distance between the oxygen supply device and the group of combustion devices at a higher position is 1 m.

Furthermore, a plurality of air pipes are connected to the furnace barrel along the height direction of the furnace barrel.

Further, the height of the combustion system of the shaft furnace for processing the copper rod is 13-15 m.

Further, the distance value between the two groups of combustion devices is 0.8-1.2 m.

Further, the group of combustion devices at the higher position comprises four burners, and the group of combustion devices at the lower position comprises seven burners.

Further, the burners are arranged at 60 degrees to the vertical.

Further, the pure oxygen lance is connected with oxygen production equipment through a connecting pipe.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a shaft furnace combustion system is used in copper pole processing is 55~65 arranging with nozzle and vertical direction through the combustion mode that changes the nozzle to form rotatory flame, alternate and stop between the electrolysis copper billet, improved the combustion process, the heat exchange time between flame and the electrolysis copper billet, thereby preheat and heat the electrolysis copper billet as far as possible.

(2) The utility model discloses a shaft furnace combustion system is used in copper pole processing sets up oxygen supply device through the top at two sets of burner, and oxygen supply device includes a plurality of pure oxygen lances that set up along furnace lateral wall circumference equidistant to can supply the CO in the pure oxygen fully burns tail gas constantly, make it turn into CO₂The combustion efficiency is improved, the emission of CO content in the tail gas is reduced, and the utilization rate of the tail gas is improved.

(3) The utility model discloses a shaft furnace combustion system is used in copper pole processing, this shaft furnace combustion system is used in copper pole processing highly is 13-15 m. It should be noted that: the utility model discloses a highly restrict this shaft furnace combustion system is used in copper pole processing, can improve the stove pressure, the increase of phase change promptly flame the stroke in the electrolysis copper billet to force the heat exchange, improve the burning heat utilization rate.

(4) The utility model discloses a shaft furnace combustion system is used in copper pole processing, its structural design is reasonable, and the principle is simple, convenient to popularize and use.

Drawings

Fig. 1 is a schematic structural diagram of a combustion system of a shaft furnace for processing copper rods according to the present invention.

The reference numerals in the schematic drawings illustrate:

1. a hearth; 2. a furnace barrel; 3. a chimney; 4. a smoke hood; 5. a furnace door; 6. burning a nozzle; 7. a pure oxygen lance; 8. an oxygen generation device; 9. a connecting pipe; 10. an air duct; 11. a chute; 12. and (4) electrolyzing the copper block.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Example 1

Combine fig. 1, a shaft furnace combustion system is used in copper pole processing of this embodiment, as shown in fig. 1, include the furnace 1 that sets gradually from supreme down, the furnace bucket 2, chimney 3 and petticoat pipe 4, wherein, the upper portion of furnace 1 is provided with the furnace gate 5 that the copper billet 12 of supplying electrolysis added, the lower part of furnace 1 is provided with chute 11, and be provided with two sets of burner along its direction of height on the lateral wall of this furnace 1, every burner of group all includes a plurality of nozzles 6 that set up along furnace 1 lateral wall circumference equidistant, nozzle 6 is 55~65 with vertical direction and arranges, on the lateral wall of above-mentioned furnace 1, and the top that is located two sets of burner still is provided with oxygen supply device, oxygen supply device includes a plurality of pure oxygen guns 7 that set up along furnace 1 lateral wall circumference equidistant, pure oxygen rifle 7 links to each other with oxygenerator 8 through connecting pipe. Specifically, in this embodiment: the distance value between the two groups of combustion devices is 0.8-1.2 m, wherein the group of combustion devices at the higher position comprises four burners 6, the group of combustion devices at the lower position comprises seven burners 6, and the burners 6 are arranged at an angle of 60 degrees with the vertical direction.

It should be noted that: a set of burner that the position is higher is pre-heating device, and a set of burner that the position is lower is heating device, the utility model discloses a quantity to nozzle 6 among pre-heating device and the heating device designs, can satisfy the production demand on the one hand, and can not cause the copper waterOn the other hand, the preheating and heating effects can be improved to the maximum extent. It needs to be further explained that: the utility model discloses a change the combustion method of nozzle 6, be 55~65 with nozzle 6 and vertical direction and arrange to form rotatory flame, alternate and stop between electrolysis copper billet 12, improved the combustion process, the heat exchange time between flame and the electrolysis copper billet 12, thereby preheat and heat electrolysis copper billet 12 as far as possible. It should be further noted that: the utility model discloses a top at two sets of burner sets up oxygen supply unit, and oxygen supply unit includes a plurality of pure oxygen guns 7 that set up along 1 lateral wall circumference equidistant of furnace to can supply the CO in the pure oxygen fully burns tail gas constantly, make it turn into CO₂The combustion efficiency is improved, the emission of CO content in the tail gas is reduced, and the utilization rate of the tail gas is improved.

Specifically, in this embodiment: the distance between the oxygen supply device and the group of burners located higher up is 1 m. It should be noted that: the utility model discloses a limit the distance between a set of burner that oxygen supply device and position are higher, but CO in the at utmost fully burning tail gas.

As shown in fig. 1, a plurality of air ducts 10 are connected to the furnace barrel 2 along the height direction thereof. It should be noted that: the utility model discloses an in tuber pipe 10 let in furnace barrel 2 with refrigerated compressed air, play the cooling action on the one hand, be favorable to local environment's protection, on the other hand can make the stove become the malleation by the negative pressure in to guarantee that the atmosphere in furnace 1 is reducing atmosphere, thereby guarantee that the copper water can not be by the oxidation.

The height of the combustion system of the shaft furnace for processing the copper rod is 13-15 m. It should be noted that: the utility model discloses a highly restrict this copper pole processing is with shaft furnace combustion system, can improve the stove pressure, the increase of phase change promptly flame the stroke in electrolysis copper billet 12 to force the heat exchange, improve the burning heat utilization rate.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a shaft furnace combustion system is used in copper pole processing which characterized in that: include from supreme furnace (1), cask (2), chimney (3) and petticoat pipe (4) that set gradually down, wherein, the upper portion of furnace (1) is provided with furnace gate (5) that the power supply electrolytic copper piece (12) were added, the lower part of furnace (1) is provided with chute (11), and is provided with two sets of burner along its direction of height on the lateral wall of this furnace (1), and every burner of group all includes a plurality of nozzle (6) that set up along furnace (1) lateral wall circumference equidistant, nozzle (6) are 55~65 with vertical direction and arrange, on the lateral wall of above-mentioned furnace (1), and the top that is located two sets of burner still is provided with oxygen supply device, oxygen supply device include a plurality of pure oxygen rifle (7) that set up along furnace (1) lateral wall circumference equidistant.

2. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 1, wherein: the distance between the oxygen supply device and the group of combustion devices at the higher position is 1 m.

3. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 1, wherein: the furnace barrel (2) is connected with a plurality of air pipes (10) along the height direction.

4. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 1, wherein: the height of the combustion system of the shaft furnace for processing the copper rod is 13-15 m.

5. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 1, wherein: the distance value between the two groups of combustion devices is 0.8-1.2 m.

6. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 5, wherein: the group of combustion devices at the higher position comprises four burners (6), and the group of combustion devices at the lower position comprises seven burners (6).

7. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 6, wherein: the burners (6) are arranged at an angle of 60 degrees to the vertical direction.

8. The combustion system of the shaft furnace for processing the copper rod as claimed in claim 1, wherein: the pure oxygen lance (7) is connected with an oxygen production device (8) through a connecting pipe (9).