CN219390571U

CN219390571U - Lead chute fume extractor

Info

Publication number: CN219390571U
Application number: CN202320683783.2U
Authority: CN
Inventors: 耿秀杰; 刘艳兵; 高国兴; 李军
Original assignee: Hubei Jinyang Metallurgical Inc Co ltd
Current assignee: Hubei Jinyang Metallurgical Inc Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-21
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a lead chute smoke exhaust device. Belongs to the technical field of lead refining devices. The flue gas collecting device mainly solves the problems that the flue gas is easy to overflow in the using process, the flue gas is not thoroughly collected, and the effective collection requirement on the flue gas cannot be met in the existing flue gas collecting device. The main characteristics of the device are as follows: comprises a smoke exhaust hood body and a smoke exhaust pipeline; the lower port of the fume exhaust hood is fixedly connected to the upper end surfaces or the outer side surfaces of the two sides of the lead chute; the smoke exhaust pipeline is transversely arranged above the smoke exhaust hood body; and a smoke collecting pipeline is arranged between the smoke exhaust hood body and the smoke exhaust pipeline at intervals. The utility model has the characteristics of effectively discharging smoke dust generated in the transportation process of the smelting lead liquid, improving the field operation environment, ensuring the health of production personnel and being convenient for cleaning, replacing and maintaining the inside of the lead chute, and is mainly used for collecting and discharging the smoke gas generated when the high-temperature lead liquid flows through the lead chute.

Description

Lead chute fume extractor

Technical Field

The utility model belongs to the technical field of lead refining devices, and particularly relates to a lead chute smoke exhaust device.

Background

The lead smelting process is realized in a smelting furnace, high-temperature lead liquid generated by smelting overflows from a weir at the bottom of the smelting furnace, the lead liquid flows into a lead smelting pot or an ingot casting container through a lead chute, the high-temperature lead liquid contacts with air when passing through the chute to generate a large amount of smoke, the smoke temperature is higher and contains harmful gas, the on-site environment is worsened, the health of a human body is seriously affected, therefore, a smoke collecting device is required to be added above the chute, a rectangular smoke hood is arranged above the chute at a certain distance, waste gas is pumped and discharged through a connected pipeline, and the smoke is easy to overflow in the using process of the device, so that the smoke is not completely collected, and the effective collection requirement for the smoke cannot be met.

Disclosure of Invention

Aiming at the conditions that the existing device chute has poor sealing performance and easily overflows smoke, the main purpose of the utility model is to provide a lead chute smoke exhaust device for further improving the lead smelting production efficiency and improving the field operation environment.

The technical scheme of the utility model is as follows: the utility model provides a plumbous chute fume extractor, includes fume extraction cover body and exhaust pipe, characterized by: the lower port of the fume exhaust hood is fixedly connected to the upper end surfaces or the outer side surfaces of the two sides of the lead chute; the smoke exhaust pipeline is transversely arranged above the smoke exhaust hood body; and a smoke collecting pipeline is arranged between the smoke exhaust hood body and the smoke exhaust pipeline at intervals.

The technical proposal of the utility model is that the outside of the lead chute is provided with a steel structure lead chute shell; the lower port of the fume exhaust hood is fixedly connected to the lead chute shell.

The steel structure lead chute shell is an isosceles trapezoid steel structure lead chute shell.

The fume exhaust hood in the technical proposal of the utility model is composed of a semicircular fume exhaust hood in the middle and conical fume exhaust hoods at two ends; and the cone-shaped smoke exhaust covers at the two ends are respectively provided with a smoke collecting pipeline.

The conical fume exhaust hood body is of a conical structure, and the inside of the conical fume exhaust hood body is fixed on a central baffle right above a lead chute through an inclined support plate.

According to the technical scheme, the inclined support plate is provided with holes for flue gas to pass through.

The technical proposal of the utility model is that the fume exhaust cover body is provided with openable movable cover plates at intervals.

The technical proposal of the utility model is that the semicircular exhaust hood body is provided with openable movable cover plates at intervals; the two ends of the conical fume exhaust cover body are provided with openable movable cover plates.

The movable cover plate is provided with a fastening bolt.

The smoke exhaust pipelines and the smoke collecting pipelines in the technical proposal of the utility model are all cylindrical, and the diameter of the smoke exhaust pipeline is larger than that of the smoke collecting pipeline; the tail end of the smoke exhaust pipeline is connected with an exhaust system.

By means of the technical scheme, the lead chute fume extractor has the following advantages:

1. the utility model adopts a closed cover structure, can effectively discharge smoke dust generated in the transportation process of molten lead, improves the field operation environment and ensures the health of production staff;

2. the movable structure design is adopted, and the movable cover plate arranged on the fume collecting hood body can be freely opened, so that the cleaning, replacement and maintenance work of the inside of the lead chute are facilitated.

The utility model is mainly used for collecting and discharging the flue gas generated when the high-temperature lead liquid flows through the lead chute.

Drawings

Fig. 1 is a schematic diagram of an overall lead chute fume extractor according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of the positions of a fume collecting hood and a lead chute according to an embodiment of the present utility model.

FIG. 3 is a schematic view of the position of a cone-shaped fume collection hood and a lead chute according to an embodiment of the utility model.

In the figure: 1-lead chute, 2-semicircular fume exhaust hood, 3-fume collecting pipeline, 4-fume exhaust pipeline, 5-conical fume exhaust hood, 6-fastening bolt, 7-central baffle and 8-inclined support plate.

Detailed Description

In order to further illustrate the technical means and effects achieved by the present utility model, the following describes the specific embodiments, structures and features according to the present utility model with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1, 2 and 3, an embodiment of the lead chute fume extractor of the present utility model includes: the steel structure lead chute shell, the semicircular exhaust hood body 2, the smoke collecting pipeline 3, the smoke discharging pipeline 4, the conical exhaust hood body 5, the fastening bolt 6, the central baffle 7 and the inclined support plate 8.

The steel structure lead chute shell is an isosceles trapezoid steel structure lead chute shell. The two waists and the bottom in the isosceles trapezoid steel structure lead chute shell are built into a U shape by refractory materials, and the whole body of the isosceles trapezoid steel structure lead chute is inclined downwards along the flow direction to form a lead chute 1, so that lead liquid can naturally flow out into a lead melting pot or an ingot casting container.

The semicircular exhaust hood body 2 is arranged into a semicircular cover body structure, smoke collecting holes are reserved in the middle of the semicircular exhaust hood body at intervals, and conical exhaust hood bodies 5 are arranged at two ends of the semicircular exhaust hood body. The semicircular exhaust hood body 2 and the conical exhaust hood bodies 5 at the two ends form a whole, and the lower end is fixedly connected with the upper end of the isosceles trapezoid steel structure lead chute shell in a sealing way. One side or both sides lower part interval of semi-circular enclosure body 2 is equipped with openable movable cover, and the lower part of the toper enclosure body 5 at both ends all is equipped with openable movable cover, is equipped with fastening bolt 6 on the movable cover, and movable cover can fix on isosceles trapezoid steel construction plumbous chute casing through fastening bolt 6, is favorable to inside clearance of plumbous chute and change maintenance.

The smoke collecting pipelines 3 are cylindrical, a plurality of smoke collecting pipelines are arranged, the lower ends of the plurality of smoke collecting pipelines 3 in the middle are fixed on smoke collecting holes reserved in the semicircular smoke exhaust hood body 2 in a sealing mode, and the smoke collecting pipelines 3 on two sides are connected with the top of the conical smoke exhaust hood body 5.

The smoke exhaust pipeline 4 is cylindrical, smoke is discharged, and the tail end of the smoke exhaust pipeline 4 is connected with an exhaust system. The smoke exhaust pipeline 4 is arranged horizontally, is positioned above the semicircular smoke exhaust hood 2 and the conical smoke exhaust hood 5 at two ends, and is connected with the upper end of the smoke collecting pipeline 3 through welding, and the diameter of the smoke exhaust pipeline 4 is larger than that of the smoke collecting pipeline 3, so that smooth discharge of smoke is ensured.

The conical fume exhaust cover body 5 is of a conical structure, a central baffle 7 is arranged in the conical fume exhaust cover body, and fume is sucked upwards through the periphery of the central baffle 7. The center baffle 7 is positioned right above the lead chute 1, and the center baffle 7 is fixed on the conical fume exhaust hood 5 through inclined support plates 8 at two sides. The inclined support plate 8 is provided with holes for the flue gas to pass through, and two ends of the inclined support plate are respectively connected with the central baffle 7 and the conical fume exhaust cover body 5.

Claims

1. The utility model provides a plumbous chute fume extractor, includes fume extraction cover body and exhaust pipe (4), characterized by: the lower port of the fume exhaust hood is fixedly connected to the upper end surfaces or the outer side surfaces of the two sides of the lead chute (1); the smoke exhaust pipeline (4) is transversely arranged above the smoke exhaust hood body; the smoke exhaust hood body and the smoke exhaust pipeline (4) are provided with a smoke collecting pipeline (3) at intervals.

2. The lead chute fume extractor of claim 1, wherein: the outside of the lead chute (1) is provided with a steel structure lead chute shell; the lower port of the fume exhaust hood is fixedly connected to the lead chute shell.

3. A lead chute fume extractor as claimed in claim 2, wherein: the steel structure lead chute shell is an isosceles trapezoid steel structure lead chute shell.

4. A lead chute fume extractor according to claim 1, 2 or 3, wherein: the smoke exhaust cover body consists of a semicircular smoke exhaust cover body (2) in the middle and conical smoke exhaust cover bodies (5) at two ends of the semicircular smoke exhaust cover body; the two ends of the conical fume exhaust hood body (5) are provided with fume collecting pipes (3).

5. The lead chute fume extractor of claim 4, wherein: the conical fume exhaust hood body (5) is of a conical structure, and the inside of the conical fume exhaust hood body is fixed on a central baffle (7) right above the lead chute (1) through an inclined support plate (8).

6. The lead chute fume extractor of claim 5, wherein: the inclined support plate (8) is provided with holes for flue gas to pass through.

7. A lead chute fume extractor according to any one of claims 1-3, 5-6, wherein: the fume exhaust hood is provided with openable movable cover boards at intervals.

8. The lead chute fume extractor of claim 4, wherein: an openable movable cover plate is arranged on the semicircular exhaust hood body (2) at intervals; the two ends of the conical fume exhaust cover body (5) are provided with openable movable cover plates.

9. The lead chute fume extractor of claim 8, wherein: the movable cover plate is provided with a fastening bolt (6).

10. A lead chute fume extractor according to any one of claims 1-3, 5-6, 8-9, wherein: the smoke exhaust pipeline (4) and the smoke collecting pipeline (3) are cylindrical, and the diameter of the smoke exhaust pipeline (4) is larger than that of the smoke collecting pipeline (3); the tail end of the smoke exhaust pipeline (4) is connected with an exhaust system.