CN216192463U

CN216192463U - Environment-friendly converter for vanadium extraction and tapping

Info

Publication number: CN216192463U
Application number: CN202122669881.4U
Authority: CN
Inventors: 李�杰
Original assignee: Chengde Petroleum College
Current assignee: Chengde Petroleum College
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses an environment-friendly converter for vanadium extraction and tapping, and relates to the technical field of converter steelmaking. The utility model comprises a converter body, wherein a centrifugal fan is arranged on the right side of the converter body, a flue gas pipe is connected with a centrifugal fan flange, a purifying chamber is connected with a right end flange of the flue gas pipe, a circulating pump is connected with a purifying chamber flange, the circulating pump is connected with a conveying pipe, a plurality of spray heads are fixedly arranged on the conveying pipe, a partition plate is fixedly arranged in the purifying chamber, and the height of the partition plate is lower than that of the flue gas pipe. According to the utility model, flue gas generated by the converter body is conveyed into the purification chamber through the centrifugal fan, water is conveyed upwards by the circulating pump, water mist is sprayed on the flue gas through the spray head, so that the water mist is attached to the surface of iron oxide dust particles and increases the weight of the iron oxide dust particles, the weighted iron oxide dust particles fall on the upper surface of the partition plate and wait for recovery, the water falls on the bottom of the purification chamber for recycling, the water is conveniently conveyed through customizing the shape of the conveying pipe, heat exchange is carried out between the water and the flue gas through the heat exchange pipe, and heat is recovered.

Description

Environment-friendly converter for vanadium extraction and tapping

Technical Field

The utility model belongs to the technical field of converter steelmaking, and particularly relates to an environment-friendly converter for vanadium extraction and tapping.

Background

When the converter steelmaking is carried out, molten iron, scrap steel and ferroalloy are used as main raw materials, external energy is not used, and the steelmaking is completed in the converter by means of heat generated by physical heat of molten iron and chemical reaction among molten iron components, and the converter is mainly used for producing carbon steel, alloy steel and smelting copper and nickel.

The basic oxygen furnace produces a great deal of brown smoke in the steel making process, the main components of the brown smoke are iron oxide dust particles, high-concentration carbon monoxide gas and the like, and if the brown smoke is directly discharged, the environmental pollution is caused.

In order to solve the problems, the utility model provides an environment-friendly converter for vanadium extraction and tapping.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an environment-friendly converter for vanadium extraction and tapping, which solves the problem that a top-blown oxygen converter generates a large amount of brown flue gas in the steelmaking process, the main components of the converter are iron oxide dust particles, high-concentration carbon monoxide gas and the like, and the environment pollution is caused if the converter is directly discharged.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an environment-friendly converter for vanadium extraction and tapping, which comprises a converter body, wherein a centrifugal fan is arranged on the right side of the converter body, a flue gas pipe is connected with the centrifugal fan in a flange mode, a purifying chamber is connected with the right end of the flue gas pipe in a flange mode, a circulating pump is connected with the purifying chamber in a flange mode, a conveying pipe is connected with the circulating pump in a flange mode, a plurality of spray heads are fixedly installed on the conveying pipe, a partition plate is fixedly installed in the purifying chamber, the height of the partition plate is lower than that of the flue gas pipe, the flue gas generated by the converter body is conveyed into the purifying chamber through the centrifugal fan, the circulating pump conveys water upwards, water mist is sprayed on the flue gas through the spray heads, the water mist is attached to the surface of iron oxide dust particles and increases the weight of the iron oxide dust particles, the weighted iron oxide dust particles fall on the upper surface of the partition plate to wait for recovery, and the water falls to the bottom of the purifying chamber for recycling.

Preferably, the conveying pipe is of an L-shaped pipe body structure, the transverse pipe of the conveying pipe is located in the purifying chamber, and water is conveniently conveyed through customizing of the shape of the conveying pipe.

Preferably, the flue gas pipe is fixedly provided with a heat exchange pipe, and heat exchange is carried out between the flue gas pipe and the heat exchange pipe to recover heat.

Preferably, the purification chamber is communicated with smoke exhaust pipes, the two smoke exhaust pipes are respectively and fixedly provided with an exhaust fan, the moving speed of the purified smoke is accelerated through the exhaust fans, the purified smoke is discharged to a specified place along the smoke exhaust pipes, and the carbon monoxide is recycled to be used as chemical raw materials or fuel.

Preferably, four supporting legs are fixedly mounted on the purification chamber, and support is provided for the purification chamber through the supporting legs.

Preferably, the purification chamber is communicated with a drain pipe, a drain valve is fixedly mounted on the drain pipe, and the circulating water is periodically replaced through the cooperation of the drain pipe and the drain valve.

Preferably, the purifying chamber is fixedly provided with a controller, the controller is respectively electrically connected with the centrifugal fan, the circulating pump and the exhaust fan, and the operation is controlled through the controller, so that the use is convenient.

The utility model has the following beneficial effects:

the utility model conveys the flue gas generated by the converter body into the purifying chamber through the centrifugal fan, the circulating pump conveys water upwards, the spray nozzle sprays water mist to the flue gas, the water mist is attached to the surface of iron oxide dust particles and increases the weight of the iron oxide dust particles, the weighted iron oxide dust particles fall on the upper surface of the partition plate to wait for recovery, the water falls on the bottom of the purifying chamber to be recycled, the water is conveniently conveyed through customizing the shape of the conveying pipe, the heat exchange is carried out between the water mist and the flue gas through the heat exchange pipe, the heat is recovered, the moving speed of the purified flue gas is accelerated through the exhaust fan to be discharged to a designated place along the smoke exhaust pipe, the carbon monoxide is recovered to be used as chemical raw materials or fuel, the supporting legs are used for providing support for the purifying chamber, the drain pipe is matched with the drain valve, the recycled water is periodically replaced, and the operation is controlled by the controller, so that the use is convenient.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

FIG. 1 is a schematic view of the overall structure of an environmentally friendly converter for vanadium extraction and tapping according to the present invention;

FIG. 2 is a front view of an environment-friendly converter for vanadium extraction and tapping according to the present invention;

FIG. 3 is a top view of an environmentally friendly converter for vanadium extraction and tapping in accordance with the present invention;

FIG. 4 is a left side view of an environmental protection type converter for vanadium extraction and tapping in accordance with the present invention;

fig. 5 is a schematic view of the cross-sectional structure a-a in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a converter body; 2. a centrifugal fan; 3. a flue gas pipe; 4. a clean room; 5. a circulation pump; 6. a delivery pipe; 7. a spray head; 8. a partition plate; 9. a heat exchange pipe; 10. a smoke exhaust pipe; 11. an exhaust fan; 12. supporting legs; 13. a blow-off pipe; 14. a blowoff valve; 15. and a controller.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the utility model is an environment-friendly converter for vanadium extraction and tapping, comprising a converter body 1, a centrifugal fan 2 is arranged at the right side of the converter body 1, the centrifugal fan 2 is connected with a flue gas pipe 3 in a flange manner, a purification chamber 4 is connected with the right end of the flue gas pipe 3 in a flange manner, the purification chamber 4 is connected with a circulating pump 5 in a flange manner, the circulating pump 5 is connected with a conveying pipe 6 in a flange manner, a plurality of nozzles 7 are fixedly arranged on the conveying pipe 6, a partition plate 8 is fixedly arranged in the purification chamber 4, the height of the partition plate 8 is lower than that of the flue gas pipe 3, the flue gas generated by the converter body 1 is conveyed into a purifying chamber 4 through a centrifugal fan 2, a circulating pump 5 conveys water upwards, spray water mist to the flue gas through shower nozzle 7 for water mist is stained with the surface of adhering to the iron oxide dust particle and increases its weight, and the iron oxide dust particle after the weight gain falls on baffle 8 upper surface, waits to retrieve, and the bottom that the water fell clean room 4 recycles.

The flue gas pipe 3 is fixedly provided with a heat exchange pipe 9, and heat exchange is carried out between the flue gas pipe and the heat exchange pipe 9 to recover heat.

The purifying chamber 4 is communicated with a smoke exhaust pipe 10, the two smoke exhaust pipes 10 are respectively and fixedly provided with an exhaust fan 11, the moving speed of the purified smoke is accelerated by the exhaust fan 11, the purified smoke is discharged to a specified place along the smoke exhaust pipe 10, and the carbon monoxide is recycled to be used as chemical raw materials or fuel.

Four supporting legs 12 are fixedly arranged on the purifying chamber 4, and the purifying chamber 4 is supported by the supporting legs 12.

The purifying chamber 4 is communicated with a drain pipe 13, the drain pipe 13 is fixedly provided with a drain valve 14, and the circulating water is periodically replaced by matching the drain pipe 13 with the drain valve 14.

Purification chamber 4 fixed mounting has controller 15, and controller 15 respectively with centrifugal fan 2, circulating pump 5 and exhaust fan 11 electric connection, through controller 15 control operation, facilitates the use.

Conveyer pipe 6 is "L" venturi tube body structure, and the violently pipe of conveyer pipe 6 is located clean room 4, through the molding of customization conveyer pipe 6, conveniently carries water.

As shown in FIGS. 1 to 5, the present embodiment is an environment-friendly converter for vanadium extraction and tapping, and the basic principle of the present invention is as follows: the operation is controlled by a controller 15, the centrifugal fan 2 conveys the flue gas generated by the converter body 1 into a purification chamber 4, a heat exchange pipe 9 exchanges heat with the flue gas in the conveying process to recover heat, a circulating pump 5 conveys water upwards, a spray head 7 sprays water mist to the flue gas, the water mist is attached to the surface of iron oxide dust particles and increases the weight of the iron oxide dust particles, the weighted iron oxide dust particles fall on the upper surface of a partition plate 8 to wait for recovery, the water falls to the bottom of the purification chamber 4 to be recycled, an exhaust fan 11 accelerates the moving speed of the purified flue gas to discharge the flue gas to a specified place along a smoke discharge pipe 10, carbon monoxide is recovered as a chemical raw material or fuel, the circulating water is periodically replaced by matching a discharge pipe 13 and a discharge valve 14, the model of the centrifugal fan 2 is preferably hrtk-4-72A, the model of the circulating pump 5 is preferably ISG32-125, the model of the exhaust fan 11 is preferably TQ-900, the controller 15 is preferably FX3U-32MT in model number.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The environment-friendly converter for vanadium extraction and tapping comprises a converter body (1), and is characterized in that: the right side of converter furnace body (1) is provided with centrifugal fan (2), centrifugal fan (2) flange joint has flue gas pipe (3), the right-hand member flange joint of flue gas pipe (3) has clean room (4), clean room (4) flange joint has circulating pump (5), circulating pump (5) flange joint has conveyer pipe (6), conveyer pipe (6) fixed mounting has a plurality of shower nozzles (7), fixed mounting has baffle (8) in clean room (4), the height of baffle (8) is less than flue gas pipe (3).

2. The environment-friendly converter for vanadium extraction and tapping as claimed in claim 1, wherein: the conveying pipe (6) is of an L-shaped pipe body structure, and a transverse pipe of the conveying pipe (6) is positioned in the purifying chamber (4).

3. The environment-friendly converter for vanadium extraction and tapping as claimed in claim 2, wherein: and the flue gas pipe (3) is fixedly provided with a heat exchange pipe (9).

4. The environment-friendly converter for vanadium extraction and tapping as claimed in claim 3, wherein: the purifying chamber (4) is communicated with a smoke exhaust pipe (10), and the two smoke exhaust pipes (10) are respectively and fixedly provided with an exhaust fan (11).

5. The environment-friendly converter for vanadium extraction and tapping as claimed in claim 4, wherein: four supporting legs (12) are fixedly installed on the purifying chamber (4).

6. The environment-friendly converter for vanadium extraction and tapping as claimed in claim 5, wherein: the purifying chamber (4) is communicated with a sewage discharge pipe (13), and a sewage discharge valve (14) is fixedly arranged on the sewage discharge pipe (13).

7. The environment-friendly converter for vanadium extraction and tapping as claimed in claim 6, wherein: purification chamber (4) fixed mounting has controller (15), controller (15) respectively with centrifugal fan (2), circulating pump (5) and exhaust fan (11) electric connection.