CN210303128U

CN210303128U - Purifying and filtering device for submerged arc furnace

Info

Publication number: CN210303128U
Application number: CN201920558965.0U
Authority: CN
Inventors: 查长清; 贺毅然; 胡怀志; 贺荣
Original assignee: Mountainpeak Technology Co ltd
Current assignee: Mountainpeak Technology Co ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-04-14
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses a hot stove in ore deposit purifies filter equipment, including furnace body, first fan, second fan and rose box, the cavity has in the furnace body, cavity intercommunication in first fan and second fan and the furnace body, the rose box with the furnace body is connected through first fan, has first cavity, second cavity and third cavity in the rose box, and first cavity and first fan intercommunication are provided with first active carbon filter in the first cavity, and second cavity and first cavity intercommunication are provided with the atomising head in the second cavity, and the atomising head has the steam case through the pipe connection, and third cavity and second cavity intercommunication are provided with in the third cavity and spray the nozzle, and the bottom of third cavity is provided with pall ring, and the second nozzle is just right pall ring, the second nozzle is connected with the desulfurizer case. The utility model discloses can carry out the multi-stage filtration to the waste gas that the hot stove in ore deposit produced and handle, make the pollutant of waste gas can obtain complete filtration.

Description

Purifying and filtering device for submerged arc furnace

Technical Field

The utility model belongs to the technical field of hot stove in the ore deposit, concretely relates to hot stove in ore deposit purifies filter equipment.

Background

The submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent. The method is mainly used for producing ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and other ferroalloys, and is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide and the like. Because the ore generally contains sulfide, the ore smelting furnace can generate a large amount of sulfur-containing waste gas, such as sulfur dioxide, in the ore smelting process, and the environment can be greatly harmed if the natural emission of the gas discharged from the ore smelting furnace is not treated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a hot stove purification and filtration device in ore deposit to solve the problem that the waste gas that current hot stove in ore deposit produced can't be handled in the production process.

In order to realize the purpose, the utility model discloses a technical scheme be: provides a purifying and filtering device for a submerged arc furnace, which comprises a furnace body, a first fan, a second fan and a filter box, the furnace body is internally provided with a cavity, the first fan and the second fan are communicated with the cavity in the furnace body, the filter box is connected with the furnace body through the first fan, a first cavity, a second cavity and a third cavity are arranged in the filter box, the first cavity is communicated with the first fan, a first activated carbon filter plate is arranged in the first cavity, the second cavity is communicated with the first cavity, a spray head is arranged in the second cavity and is connected with a steam box through a pipeline, the third cavity is communicated with the second cavity, a spray nozzle is arranged in the third cavity, a pall ring is arranged at the bottom of the third cavity, the spray nozzle is opposite to the pall ring, and the spray nozzle is connected with a desulfurizer box.

Furthermore, the second fan is connected with a frequency converter, and the frequency converter is used for adjusting the wind power of the second fan.

Furthermore, a third fan capable of rotating forward and backward is arranged on one side of the second cavity, and the third fan is used for stirring and mixing the gas in the second cavity.

Furthermore, one end of the first active carbon filter plate is provided with a stop block, and the two opposite sides of the filter box are provided with mounting grooves which can be inserted into the first active carbon filter plate.

Furthermore, the inner wall of the filter box is provided with an anti-corrosion coating.

Furthermore, a clean water cavity and a steam cavity are arranged in the steam box, the clean water cavity and the steam cavity are connected through an electric heater, and the steam cavity is connected with the spray nozzle through an air pump.

Furthermore, the third cavity is communicated with a fourth cavity, and a second activated carbon filter plate and a drying plate are arranged in the fourth cavity.

Furthermore, the fourth cavity is connected with an air outlet pipe, and a sulfide detector is arranged at the pipe orifice of the air outlet pipe.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses an exhaust fan can be discharged into the filter box with the waste gas that the hot stove in ore deposit produced in the production process, first cavity in the filter box can filter the large granule pest in the hot stove in ore deposit production waste gas, waste gas removes the vapor mixture that can spray out with first nozzle in the second cavity, the waste gas that has mixed vapor afterwards enters into in the third cavity, spray the nozzle in the third cavity and can spray the doctor ring on with the doctor, waste gas and the doctor reaction on the doctor ring, vapor can accelerate the reaction process of waste gas and doctor, the doctor sprays simultaneously and can make waste gas and doctor abundant contact reaction on the doctor ring, further promote reaction efficiency, last waste gas is discharged from the third cavity, thereby the filtration purification process of waste gas has been realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the steam box of the present invention.

Reference numerals: 1-furnace body, 2-first fan, 3-second fan, 4-filter box, 410-first cavity, 411-first active carbon filter plate, 412-baffle, 420-second cavity, 421-spray head, 422-steam box, 423-third fan, 424-clear water cavity, 425-steam cavity, 426-electric heater, 427-air pump, 430-third cavity, 431-spray nozzle, 432-pall ring, 433-desulfurizer box, 440-fourth cavity, 441-second active filter plate, 442-drying plate, 443-air outlet pipe and 444-sulfide detector.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and some deviation generally exists. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a purifying and filtering device for submerged arc furnace, as shown in figure 1, comprising a furnace body 1, a first fan 2, a second fan 3 and a filter box 4, wherein the furnace body 1 is internally provided with a cavity, ores react in the furnace body, the first fan 2 and the second fan 3 are communicated with the cavity in the furnace body 1, the filter box 4 is connected with the furnace body 1 through the first fan 2, the first fan 2 is used for conveying waste gas generated in the furnace body 1 into the filter box 4 for filtering, the filter box 4 is internally provided with a first cavity 410, a second cavity 420 and a third cavity 430, the first cavity 410 is communicated with the first fan 2, therefore, the waste gas can firstly enter the first cavity 410, the first cavity 410 is internally provided with a first active carbon filter plate 411, and the waste gas discharged by the furnace body 1 can have some large-particle pollutants, the large-particle pollutants can be adsorbed by the first activated carbon filter plate 411, the second cavity 420 is communicated with the first cavity 410, the waste gas passing through the first activated carbon filter plate 411 enters the second cavity 420, a spray head 421 is arranged in the second cavity 420, the spray head 421 is connected with a water vapor tank 422 through a pipeline, the water vapor in the water vapor tank 422 can be sprayed into the second cavity 420 by the spray head 421, so that the waste gas can be mixed with the water vapor, the third cavity 430 is communicated with the second cavity 420, a spray nozzle 431 is arranged in the third cavity 430, a pall ring 432 is arranged at the bottom of the third cavity 430, the spray nozzle 431 is opposite to the pall ring 432, the spray nozzle 431 is connected with a desulfurizer box 433, liquid desulfurizer is filled in the desulfurizer box 433, and the desulfurizer can be sprayed on the surface of the pall ring 432 through the spray nozzle 431, waste gas gets into behind the third cavity 430 can with the desulfurizer contact reaction on pall ring 432 surface to realized the step of waste gas desulfurization, because pall ring 432's surface area is great, consequently the desulfurizer sprays can distribute on pall ring 432 after on the surface at pall ring 432 fully, waste gas also can with the abundant contact reaction of desulfurizer, the speed of waste gas and desulfurizer's reaction can be accelerated to vapor, makes the utility model discloses a filtration purification efficiency is high.

Preferably, the second fan 3 is connected with a frequency converter, the frequency converter is used for adjusting the wind power of the second fan 3, the wind power of the second fan 3 is adjustable, and further the pressure in the furnace body 1 is adjustable.

Preferably, a third fan 423 capable of rotating forward and backward is arranged on one side of the second cavity 420, the third fan 423 is used for stirring and mixing the gas in the second cavity 420, if the waste gas and the steam enter the second cavity 420 and then are naturally mixed, the mixing efficiency is low, and the third fan 423 rotates forward and backward in the second cavity 420 to fully stir the gas in the second cavity 420, so that the steam and the waste gas are fully mixed.

Preferably, one end of the first activated carbon filter plate 411 is provided with a stopper 412, opposite sides of the filter box 4 are provided with 411 installation grooves into which the first activated carbon filter plate can be inserted, the first activated carbon filter plate 411 is insertably disposed in the filter box 4, since adsorption capacity of activated carbon is weakened along with the extension of service time, so that the activated carbon needs to be periodically replaced, and the first activated carbon filter plate 411 is detachably connected with the filter box 4 so that the first activated carbon filter plate 411 can be conveniently replaced.

Preferably, the inner wall of the filter box 4 is provided with an anti-corrosion coating, and since the exhaust gas exhausted from the furnace body 1 is corrosive, the inner wall of the filter box 4 needs to be provided with the anti-corrosion coating to prevent the filter box 4 from being corroded and damaged by the exhaust gas.

Preferably, a clear water cavity 424 and a steam cavity 425 are arranged in the steam box 422, the clear water cavity 424 and the steam cavity 425 are connected through an electric heater 426, the steam cavity 425 is connected with the spray nozzle 431 through an air pump 427, clear water is stored in the clear water cavity 424, the clear water can be heated to a steam state after entering the electric heater 426 and then enters the steam cavity 425 for storage, and the air pump 427 can spray the steam out through the spray head 421.

Preferably, the third cavity 430 is communicated with a fourth cavity 440, a second activated carbon filter plate 441 and a drying plate 442 are arranged in the fourth cavity 440, the second activated carbon filter plate 441 can perform adsorption filtration on the gas subjected to sulfur removal again, so as to prevent large-particle pollutants from remaining in the gas, and the waste gas is mixed with water vapor and a sulfur removal agent in the filtration and purification process, so that the drying plate 442 is arranged to remove moisture in the gas.

Preferably, an outlet pipe 443 is connected to the fourth cavity 440, a sulfide detector 444 is disposed at a nozzle of the outlet pipe 433, the gas is finally discharged through the outlet pipe 443, and the sulfide detector 444 can detect whether harmful substances in the exhaust gas have been completely removed.

Claims

1. The utility model provides a hot stove purification and filtration device in ore deposit which characterized in that: the furnace comprises a furnace body, a first fan, a second fan and a filter box, wherein a cavity is arranged in the furnace body, the first fan and the second fan are communicated with the cavity in the furnace body, the filter box is connected with the furnace body through the first fan, a first cavity, a second cavity and a third cavity are arranged in the filter box, the first cavity is communicated with the first fan, a first activated carbon filter plate is arranged in the first cavity, the second cavity is communicated with the first cavity, a spray head is arranged in the second cavity, the spray head is connected with a water vapor box through a pipeline, the third cavity is communicated with the second cavity, a spray nozzle is arranged in the third cavity, an pall ring is arranged at the bottom of the third cavity, the spray nozzle is right opposite to the pall ring, and the spray nozzle is connected with a desulfurizer box.

2. The submerged arc furnace purifying and filtering device according to claim 1, characterized in that: the second fan is connected with a frequency converter, and the frequency converter is used for adjusting the wind power of the second fan.

3. The submerged arc furnace purifying and filtering device according to claim 1, characterized in that: and a third fan capable of rotating positively and negatively is arranged on one side of the second cavity and is used for stirring and mixing the gas in the second cavity.

4. The submerged arc furnace purifying and filtering device according to claim 1, characterized in that: one end of the first active carbon filter plate is provided with a stop block, and the two opposite sides of the filter box are provided with mounting grooves which can be inserted into the first active carbon filter plate.

5. The submerged arc furnace purifying and filtering device according to claim 1, characterized in that: and an anti-corrosion coating is arranged on the inner wall of the filter box.

6. The submerged arc furnace purifying and filtering device according to claim 1, characterized in that: the steam box is internally provided with a clean water cavity and a steam cavity, the clean water cavity is connected with the steam cavity through an electric heater, and the steam cavity is connected with the spray nozzle through an air pump.

7. The submerged arc furnace purifying and filtering device according to claim 1, characterized in that: the third cavity is communicated with a fourth cavity, and a second activated carbon filter plate and a drying plate are arranged in the fourth cavity.

8. The submerged arc furnace purifying and filtering device according to claim 7, characterized in that: the fourth cavity is connected with an air outlet pipe, and a sulfide detector is arranged at the pipe orifice of the air outlet pipe.