CN215725172U - Graphitization kiln tail gas dust removal and desulfurization device - Google Patents

Abstract

The utility model relates to the technical field of waste gas purification devices, in particular to a tail gas dust removal and desulfurization device for a graphitization kiln; the device comprises a cooling box, a partition plate, a plurality of spray heads, a water pump, a water pumping pipe, a water guide pipe, an air inlet pipe, an air delivery pipe, a desulfurization box and an exhaust pipe; tail gas discharged by the graphitization kiln enters a cooling box through an air inlet pipe, cooling water in the cooling box is extracted through a water pump and a water pumping pipe and is guided between a partition plate and the cooling box through a water guide pipe, the cooling water is sprayed out from a plurality of spray heads to cool the tail gas, the cooled tail gas enters a desulfurization box through a gas delivery pipe to react with a desulfurizing agent, so that sulfur dioxide in the tail gas is removed, and the purified tail gas is discharged through an exhaust pipe; the tail gas is cooled before the tail gas reacts with the desulfurizer, so that the temperature of the desulfurizer can be prevented from rising due to high-temperature tail gas, and the desulfurizer can be ensured to have the best desulfurization effect on the tail gas.

Description

Graphitization kiln tail gas dust removal and desulfurization device

Technical Field

The utility model relates to the technical field of waste gas purification devices, in particular to a tail gas dust removal and desulfurization device for a graphitization kiln.

Background

The graphitization kiln is a commonly used device in industrial production, it is accompanied with a large amount of high temperature tail gas emissions in the use, these high temperature tail gases are directly discharged by the chimney usually, because high temperature tail gas contains dust and sulfur dioxide, can cause serious pollution to the atmospheric environment, so need carry out purification treatment to tail gas before discharging, and current tail gas cleanup unit carries out desulfurization treatment with high temperature tail body direct introduction desulfurizer mostly, can lead to desulfurizer temperature sharply to rise like this, influence tail gas desulfurization effect, and the desulfurizer reacts fiercely under the high temperature, thereby still can lead to the desulfurizer loss increase, make tail gas treatment cost increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tail gas dedusting and desulfurizing device for a graphitization kiln, which can cool tail gas before the tail gas discharged by the graphitization kiln reacts with a desulfurizing agent, and prevent the tail gas desulfurizing effect from being influenced by the temperature rise of the desulfurizing agent caused by high-temperature tail gas.

In order to achieve the purpose, the utility model provides a tail gas dedusting and desulfurizing device for a graphitization kiln, which comprises a cooling box, a partition plate, a plurality of spray heads, a water pump, a water pumping pipe, a water guide pipe, an air inlet pipe, a gas conveying pipe, a desulfurizing box and an exhaust pipe; the partition plate is fixedly connected with the cooling box and is positioned in the cooling box; the plurality of spray heads are respectively and fixedly connected with the partition plate and are respectively positioned below the partition plate; the water pump is fixedly connected with the cooling box and is positioned on the side edge of the cooling box; the water pumping pipe is fixedly connected and communicated with the cooling box and the water pump respectively and is positioned between the cooling box and the water pump; the water guide pipe is fixedly connected and communicated with the cooling box and the water pump respectively and is positioned between the cooling box and the water pump; the air inlet pipe is fixedly connected and communicated with the cooling box and is positioned on the side edge of the cooling box; the gas pipe is fixedly connected and communicated with the cooling box and is positioned on one side of the cooling box, which is far away from the gas inlet pipe; the desulfurization box is fixedly connected and communicated with the gas pipe and is positioned on one side of the gas pipe, which is far away from the cooling box; the exhaust pipe is fixedly connected with the desulfurization box and is positioned on the side edge of the desulfurization box.

The cooling box comprises a box body, a water inlet channel and a water drainage channel; the water inlet channel is fixedly connected and communicated with the box body and is positioned on the side edge of the box body; the drainage channel is fixedly connected and communicated with the box body and is positioned on the side edge of the box body.

Cooling water can be added into the box body through the water inlet channel; the cooling water after the temperature rise can be discharged from the tank body through the drainage channel.

Wherein the cooling box further comprises a filter screen; the filter screen with box fixed connection to be located inside the box.

Through the filter screen can filter the dust in the tail gas to avoid washing the cooling water of tail gas and mix with the dust.

Wherein the cooling box further comprises a plurality of water-cooling fins; the water cooling pieces are fixedly connected with the box body respectively, are positioned inside the box body and are positioned below the filter screen respectively.

The plurality of water cooling fins can absorb heat in cooling water, so that the cooling water can keep low temperature.

The cooling box also comprises a motor, a rotating shaft and a cleaning brush; the motor is fixedly connected with the box body and is positioned below the box body; one end of the rotating shaft is fixedly connected with the output end of the motor, and one end of the rotating shaft, which is far away from the motor, penetrates through the box body and is positioned inside the box body; the cleaning brush is fixedly connected with the rotating shaft and is positioned at one end, far away from the motor, of the rotating shaft.

Through the motor can drive the pivot is rotatory, the pivot drives the cleaning brush is followed the filter screen surface is rotatory, can prevent that the dust from blockking up the filter screen.

Wherein the cleaning brush comprises a mounting shell, a plurality of springs and a brush; the mounting shell is fixedly connected with the rotating shaft and is positioned at one end of the rotating shaft, which is far away from the motor; the springs are respectively fixedly connected with the mounting shell and are respectively positioned in the mounting shell; the hairbrush is fixedly connected with the springs respectively and is positioned on one side, far away from the mounting shell, of the springs.

Through a plurality of the impetus of spring can make the brush all the time with the tight dense phase of filter screen touches, prevents the brush takes place wearing and tearing and can't with the filter screen touches mutually after long-time the use.

Wherein the drain passage includes a drain pipe and a drain control valve; the drain pipe is fixedly connected and communicated with the box body and is positioned on the side edge of the box body; the drainage control valve and the drainage pipe are fixedly connected and are positioned on the side edge of the drainage pipe.

The cooling water after being heated can be discharged from the box body through the drain pipe, and the cooling water is replaced; the communication and closing of the drain pipe can be conveniently controlled by the drain control valve.

The desulfurization box comprises a shell, a liquid inlet pipe, a liquid discharge pipe and a liquid discharge control valve; the shell is fixedly connected and communicated with the gas pipe and is positioned on one side of the gas pipe, which is far away from the box body; the liquid inlet pipe is fixedly connected and communicated with the shell and is positioned above the shell; the liquid discharge pipe is fixedly connected and communicated with the shell and is positioned on the side edge of the shell; the drainage control valve is fixedly connected with the drainage pipe and is positioned on the side edge of the drainage pipe.

The desulfurizer can be guided into the shell from the outside through the liquid inlet pipe; the desulfurizer can be discharged from the shell through the liquid discharge pipe; the communication and closing of the drain pipe are controlled conveniently by the drain control valve.

According to the tail gas dedusting and desulfurizing device for the graphitization kiln, cooling water is filled in the cooling box, and a desulfurizing agent is filled in the desulfurizing box; tail gas discharged by the graphitization kiln enters the cooling box through the gas inlet pipe, cooling water in the cooling box can be extracted through the water pump and the water pumping pipe and is guided into a space between the partition plate and the cooling box through the water guide pipe, the cooling water is sprayed onto the tail gas from the plurality of spray heads through the pressure of the water pump, the tail gas is cooled and cooled, dust mixed in the tail gas is washed and removed, and the cooling water falls to the bottom of the cooling box under the action of gravity, so that the recycling of the cooling water is realized, and water resources can be saved; the cooled tail gas enters the desulfurization box through the gas pipe and reacts with a desulfurizer in the desulfurization box, so that sulfur dioxide in the tail gas is removed, and the purified tail gas can be discharged from the desulfurization box through the exhaust pipe; through the mode, the tail gas can be cooled before the reaction of the tail gas and the desulfurizer, the temperature of the desulfurizer is prevented from rising due to high-temperature tail gas, so that the desulfurizer can have the best desulfurization effect on the tail gas, the consumption of the desulfurizer can be reduced, and the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a graphitization kiln tail gas dust removal and desulfurization device;

FIG. 2 is another schematic structural diagram of the dust removal and desulfurization device for tail gas of a graphitization kiln;

FIG. 3 is a front sectional view of the graphitization kiln tail gas dust removal and desulfurization device of the present invention;

FIG. 4 is a side sectional view of a graphitizing kiln tail gas dust removal desulfurization device of the present invention;

FIG. 5 is a schematic view of the structure of the cooling box of the present invention;

fig. 6 is a front sectional view of the cooling box of the present invention.

1-cooling box, 2-partition board, 3-spray head, 4-water pump, 5-water pumping pipe, 6-water guide pipe, 7-air inlet pipe, 8-air delivery pipe, 9-desulfurization box, 10-exhaust pipe, 11-box body, 12-water inlet channel, 13-water discharge channel, 14-filter screen, 15-water cooling sheet, 16-motor, 17-rotating shaft, 18-cleaning brush, 91-shell, 92-liquid inlet pipe, 93-liquid discharge pipe, 94-liquid discharge control valve, 131-water discharge pipe, 132-water discharge control valve, 181-installation shell, 182-spring and 183-brush.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 6, the present invention provides a tail gas dust removal and desulfurization device for a graphitization kiln, comprising: the tail gas dedusting and desulfurizing device for the graphitization kiln comprises a cooling box 1, a partition plate 2, a plurality of spray heads 3, a water pump 4, a water pumping pipe 5, a water guide pipe 6, an air inlet pipe 7, an air delivery pipe 8, a desulfurizing box 9 and an exhaust pipe 10; the partition plate 2 is fixedly connected with the cooling box 1 and is positioned inside the cooling box 1; the plurality of spray heads 3 are respectively and fixedly connected with the partition plate 2 and are respectively positioned below the partition plate 2; the water pump 4 is fixedly connected with the cooling box 1 and is positioned on the side edge of the cooling box 1; the water pumping pipe 5 is fixedly connected and communicated with the cooling box 1 and the water pump 4 respectively and is positioned between the cooling box 1 and the water pump 4; the water guide pipe 6 is fixedly connected and communicated with the cooling box 1 and the water pump 4 respectively and is positioned between the cooling box 1 and the water pump 4; the air inlet pipe 7 is fixedly connected and communicated with the cooling box 1 and is positioned on the side edge of the cooling box 1; the gas pipe 8 is fixedly connected and communicated with the cooling box 1 and is positioned on one side of the cooling box 1, which is far away from the gas inlet pipe 7; the desulfurization box 9 is fixedly connected and communicated with the gas pipe 8 and is positioned on one side of the gas pipe 8 far away from the cooling box 1; the exhaust pipe 10 is fixedly connected with the desulfurization box 9 and is positioned on the side edge of the desulfurization box 9.

In the present embodiment, the cooling tank 1 is filled with cooling water, and the desulfurization tank 9 is filled with a desulfurizing agent; tail gas discharged by the graphitization kiln enters the cooling box 1 through the air inlet pipe 7, cooling water in the cooling box 1 can be extracted through the water pump 4 and the water pumping pipe 5 and is guided into a space between the partition plate 2 and the cooling box 1 through the water guide pipe 6, the cooling water is sprayed onto the tail gas from the plurality of spray heads 3 through the pressure of the water pump 4 to cool the tail gas and wash and remove dust mixed in the tail gas, and the cooling water falls to the bottom of the cooling box 1 under the action of gravity, so that the recycling of the cooling water is realized, and water resources can be saved; the cooled tail gas enters the desulfurization box 9 through the gas pipe 8 and reacts with a desulfurizer in the desulfurization box 9, so that sulfur dioxide in the tail gas is removed, and the purified tail gas can be discharged from the desulfurization box 9 through the exhaust pipe 10; through the mode, the tail gas can be cooled before the reaction of the tail gas and the desulfurizer, the temperature of the desulfurizer is prevented from rising due to high-temperature tail gas, so that the desulfurizer can have the best desulfurization effect on the tail gas, the consumption of the desulfurizer can be reduced, and the cost is saved.

Further, the cooling box 1 comprises a box body 11, a water inlet channel 12 and a water drainage channel 13; the water inlet channel 12 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the drainage channel 13 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11.

In this embodiment, cooling water can be added into the tank 11 through the water inlet passage 12; through drainage channel 13 can follow the cooling water after the intensification is discharged in the box 11, change the cooling water to guarantee to have the best cooling effect to tail gas.

Further, the cooling box 1 further comprises a filter screen 14; the water inlet channel 12 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the drainage channel 13 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the filter screen 14 is fixedly connected with the box body 11 and is positioned inside the box body 11.

In this embodiment, cooling water can be added into the tank 11 through the water inlet passage 12; the heated cooling water can be discharged from the box body 11 through the drainage channel 13, and the cooling water is replaced, so that the optimal cooling effect on the tail gas is ensured; from a plurality of 3 spun cooling water of shower nozzle can be through filter 14 filters the back and drops extremely 11 bottoms of box, through filter 14 can filter the dust in the tail gas to avoid washing the cooling water of tail gas and mix with the dust.

Further, the cooling box 1 further comprises a plurality of water cooling fins 15; the water inlet channel 12 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the drainage channel 13 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the filter screen 14 is fixedly connected with the box body 11 and is positioned inside the box body 11; a plurality of water-cooling piece 15 respectively with box 11 fixed connection, and be located respectively inside box 11, and be in respectively filter screen 14 below.

In this embodiment, cooling water can be added into the tank 11 through the water inlet passage 12; the heated cooling water can be discharged from the box body 11 through the drainage channel 13, and the cooling water is replaced, so that the optimal cooling effect on the tail gas is ensured; cooling water sprayed from the plurality of spray heads 3 is filtered by the filter screen 14, absorbs heat by the plurality of water cooling fins 15 and then falls to the bottom of the box body 11, and dust in tail gas can be filtered by the filter screen 14, so that dust in the cooling water for washing the tail gas is prevented from being mixed; the water cooling fins 15 can absorb heat in the cooling water, so that the cooling water can keep low temperature, and the optimal cooling effect on the tail gas is ensured.

Further, the cooling box 1 further comprises a motor 16, a rotating shaft 17 and a cleaning brush 18; the water inlet channel 12 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the drainage channel 13 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the filter screen 14 is fixedly connected with the box body 11 and is positioned inside the box body 11; the water cooling pieces 15 are respectively and fixedly connected with the box body 11, are respectively positioned in the box body 11, and are respectively positioned below the filter screen 14; the motor 16 is fixedly connected with the box body 11 and is positioned below the box body 11; one end of the rotating shaft 17 is fixedly connected with the output end of the motor 16, and one end of the rotating shaft 17, which is far away from the motor 16, penetrates through the box body 11 and is positioned inside the box body 11; the cleaning brush 18 is fixedly connected with the rotating shaft 17 and is positioned at one end of the rotating shaft 17 far away from the motor 16.

In this embodiment, cooling water can be added into the tank 11 through the water inlet passage 12; the heated cooling water can be discharged from the box body 11 through the drainage channel 13, and the cooling water is replaced, so that the optimal cooling effect on the tail gas is ensured; cooling water sprayed from the plurality of spray heads 3 is filtered by the filter screen 14, absorbs heat by the plurality of water cooling fins 15 and then falls to the bottom of the box body 11, and dust in tail gas can be filtered by the filter screen 14, so that dust in the cooling water for washing the tail gas is prevented from being mixed; the water cooling fins 15 can absorb heat in the cooling water, so that the cooling water can keep low temperature, and the optimal cooling effect on the tail gas is ensured; through opening motor 16 can drive pivot 17 is rotatory, pivot 17 drives cleaning brush 18 is followed the filter screen 14 surface is rotatory, can prevent that the dust from blockking up filter screen 14.

Further, the cleaning brush 18 includes a mounting case 181, a plurality of springs 182, and a brush 183; the mounting shell 181 is fixedly connected with the rotating shaft 17 and is located at one end of the rotating shaft 17 far away from the motor 16; the plurality of springs 182 are respectively fixedly connected with the mounting shell 181 and respectively located inside the mounting shell 181; the brush 183 is fixedly connected to the plurality of springs 182, and is located on a side of the plurality of springs 182 away from the mounting case 181.

In this embodiment, the motor 16 is turned on to drive the rotating shaft 17 and the mounting shell 181 to rotate, and the mounting shell 181 drives the brush 183 to rotate along the surface of the filter screen 14, so as to prevent dust from blocking the filter screen 14; through a plurality of spring 182 is right the propelling force of brush 183 can make brush 183 always with filter screen 14 closely contacts closely, prevents brush 183 take place wearing and tearing after long-time the use and can't with filter screen 14 contacts mutually.

Further, the drain passage 13 includes a drain pipe 131 and a drain control valve 132; the drain pipe 131 is fixedly connected and communicated with the box body 11 and is positioned on the side of the box body 11; the drain control valve 132 is fixedly connected to the drain pipe 131 and is located at a side of the drain pipe 131.

In the present embodiment, the drain pipe 131 can discharge the heated cooling water from the tank 11, and the cooling water can be replaced, thereby ensuring the best cooling effect on the exhaust gas; the communication and closure of the drain pipe 131 can be easily controlled by the drain control valve 132.

Further, the desulfurization tank 9 includes a casing 91, a liquid inlet pipe 92, a liquid outlet pipe 93, and a liquid outlet control valve 94; the shell 91 is fixedly connected and communicated with the gas pipe 8 and is positioned on one side of the gas pipe 8 far away from the box body 11; the liquid inlet pipe 92 is fixedly connected and communicated with the shell 91 and is positioned above the shell 91; the liquid discharge pipe 93 is fixedly connected and communicated with the shell 91 and is positioned on the side edge of the shell 91; the drainage control valve 94 is fixedly connected with the drainage pipe 93 and is positioned at the side of the drainage pipe 93.

In the present embodiment, the desulfurizing agent can be introduced into the casing 91 from the outside through the liquid inlet pipe 92; the desulfurizer can be discharged from the housing 91 through the liquid discharge pipe 93, so that the desulfurizer can be replaced after being used for a long time; control of the communication and closing of the drain pipe 93 is facilitated by the drain control valve 94.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. A tail gas dust removal and desulfurization device of a graphitization kiln, which is characterized in that,

the tail gas dedusting and desulfurizing device for the graphitization kiln comprises a cooling box, a partition plate, a plurality of spray heads, a water pump, a water pumping pipe, a water guide pipe, an air inlet pipe, an air delivery pipe, a desulfurizing box and an exhaust pipe; the partition plate is fixedly connected with the cooling box and is positioned in the cooling box; the plurality of spray heads are respectively and fixedly connected with the partition plate and are respectively positioned below the partition plate; the water pump is fixedly connected with the cooling box and is positioned on the side edge of the cooling box; the water pumping pipe is fixedly connected and communicated with the cooling box and the water pump respectively and is positioned between the cooling box and the water pump; the water guide pipe is fixedly connected and communicated with the cooling box and the water pump respectively and is positioned between the cooling box and the water pump; the air inlet pipe is fixedly connected and communicated with the cooling box and is positioned on the side edge of the cooling box; the gas pipe is fixedly connected and communicated with the cooling box and is positioned on one side of the cooling box, which is far away from the gas inlet pipe; the desulfurization box is fixedly connected and communicated with the gas pipe and is positioned on one side of the gas pipe, which is far away from the cooling box; the exhaust pipe is fixedly connected with the desulfurization box and is positioned on the side edge of the desulfurization box.

2. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 1, characterized in that,

the cooling box comprises a box body, a water inlet channel and a water drainage channel; the water inlet channel is fixedly connected and communicated with the box body and is positioned on the side edge of the box body; the drainage channel is fixedly connected and communicated with the box body and is positioned on the side edge of the box body.

3. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 2, characterized in that,

the cooling box also comprises a filter screen; the filter screen with box fixed connection to be located inside the box.

4. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 3, characterized in that,

the cooling box also comprises a plurality of water cooling fins; the water cooling pieces are fixedly connected with the box body respectively, are positioned inside the box body and are positioned below the filter screen respectively.

5. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 4, characterized in that,

the cooling box also comprises a motor, a rotating shaft and a cleaning brush; the motor is fixedly connected with the box body and is positioned below the box body; one end of the rotating shaft is fixedly connected with the output end of the motor, and one end of the rotating shaft, which is far away from the motor, penetrates through the box body and is positioned inside the box body; the cleaning brush is fixedly connected with the rotating shaft and is positioned at one end, far away from the motor, of the rotating shaft.

6. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 5, characterized in that,

the cleaning brush comprises a mounting shell, a plurality of springs and a brush; the mounting shell is fixedly connected with the rotating shaft and is positioned at one end of the rotating shaft, which is far away from the motor; the springs are respectively fixedly connected with the mounting shell and are respectively positioned in the mounting shell; the hairbrush is fixedly connected with the springs respectively and is positioned on one side, far away from the mounting shell, of the springs.

7. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 6, characterized in that,

the drainage channel comprises a drainage pipe and a drainage control valve; the drain pipe is fixedly connected and communicated with the box body and is positioned on the side edge of the box body; the drainage control valve and the drainage pipe are fixedly connected and are positioned on the side edge of the drainage pipe.

8. The dust removal and desulfurization device for tail gas of graphitization kiln according to claim 7, characterized in that,

the desulfurization box comprises a shell, a liquid inlet pipe, a liquid discharge pipe and a liquid discharge control valve; the shell is fixedly connected and communicated with the gas pipe and is positioned on one side of the gas pipe, which is far away from the box body; the liquid inlet pipe is fixedly connected and communicated with the shell and is positioned above the shell; the liquid discharge pipe is fixedly connected and communicated with the shell and is positioned on the side edge of the shell; the drainage control valve is fixedly connected with the drainage pipe and is positioned on the side edge of the drainage pipe.

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