CN216093007U - Intermittent flue gas dust removal device - Google Patents

Abstract

The utility model discloses an intermittent flue gas dust removal device, which mainly comprises an air inlet pipe, a drying fan, a drying air pipe, an air outlet pipe, an online gas analyzer, a fastening bolt, a sealing cover, a purification liner, active carbon, a hopcalite agent, an outer jacket, a purification sieve plate, an outer jacket wall hole, a liner wall hole and a dust removal cylinder; the dust removal device comprises support legs and a drain valve, wherein the air inlet pipe is arranged at the lower part of the dust removal cylinder; the drying air pipe is connected with the drying fan, and the purifying inner container is divided into three parts at the upper part of the dedusting cylinder; from last to being active carbon district, hopcalite agent district, active carbon district down in proper order, have the active carbon and purifying the inner bag outside in the outer jacket, sealed lid and dust removal barrel top overlap joint to it is continuous by the fastening bolt fastening, cross this device and carry out catalytic reaction with poisonous and harmful gas and generate carbon dioxide, alleviate the pollution and the personnel poisoning risk problem of poisonous and harmful gas to the environment.

Description

Intermittent flue gas dust removal device

Technical Field

The utility model relates to the field of gas sampling monitoring analyzers of calcium carbide furnace purification systems, in particular to an intermittent flue gas dust removal device.

Background

At present, known calcium carbide furnace hydrogen and oxygen analyzer equipment carries out sampling monitoring analysis on gas of a calcium carbide furnace purification system through a sampling pipe, furnace gas of the calcium carbide furnace mainly contains a large amount of dust-containing gas such as hydrogen, oxygen, carbon monoxide and the like, the percentage (volume concentration) of the components of the furnace gas is displayed by feedback after being analyzed by an H meter, an O meter and a CO meter, but the pressure of the sample gas after the analysis is lower than the pressure of the main pipe, the sample gas can not return to the furnace gas main pipe again, the sample gas after the analysis is discharged to the outdoor atmosphere, carbon monoxide exists in the discharged sampling gas, the concentration is between 60 and 70 percent, and the sample gas can not be processed again, so the sample gas is emptied outdoors, the outdoor wind direction is uncertain, the CO alarm instrument frequently gives an alarm, misleading the security awareness of the post personnel, often giving an alarm causes the post personnel to pay no attention to the alarm, and has potential safety hazard; after the CO alarm of the calcium carbide furnace purification system gives an alarm repeatedly, a post worker needs to confirm whether the purification equipment has a fault or gas leakage on site, so that the workload of post workers is increased; the quality control department uses the closed sampler to compare the sampling chromatographic analysis of the purification system with the analysis display data of the hydrogen-oxygen analyzer, the pressure of the sampling gas of the closed sampler is about 0.4MPa, and the quality control department uses the axial flow fan to force the ventilation of the sample gas to be discharged into the atmosphere after the analysis of the chromatographic instrument is finished, so that the operation has the risk of carbon monoxide poisoning of personnel.

Disclosure of Invention

The utility model aims to provide a safe and reliable intermittent flue gas dust removal device which can effectively purify and remove carbon monoxide, impurity particles and trace moisture, thereby reducing the working strength.

In order to achieve the purpose, the utility model provides an intermittent flue gas dust removal device, which aims to overcome the defects of the prior art and mainly comprises a gas inlet pipe, a drying fan, a drying air pipe, a gas outlet pipe, a gas online analyzer, a fastening bolt, a sealing cover, a purification liner, active carbon, a hopcalite agent and active carbon; the device comprises an outer jacket, active carbon, a purification sieve plate, an outer jacket wall hole, an inner container wall hole and a dust removal cylinder; the dust removal device comprises support legs and a drain valve, wherein the air inlet pipe is arranged at the lower part of the dust removal cylinder; the drying air pipe is connected with the drying fan, and the purifying inner container is divided into three parts at the upper part of the dedusting cylinder; from last to being active carbon district, hopcalite agent district, active carbon district down in proper order, have active carbon and outside purifying the inner bag in the outer jacket, sealed lid and dust removal barrel top overlap joint to link to each other by the fastening bolt fastening.

The air inlet pipe is arranged at the position, one third away from the bottom, of the dust removing cylinder body.

The drying air pipe is arranged at a position which is one fourth of the distance from the top of the dust removal cylinder body.

The bottom of the purifying inner container and the outer jacket are supported by a purifying sieve plate.

And sieve pores with the diameter of 6mm are uniformly distributed on the purification sieve plate.

The purifying liner is internally provided with an active carbon first area, a hopcalite agent area and an active carbon second area from bottom to top, and sections are separated by purifying sieve plates between the areas.

The drying fan ensures that the pressure in the system is maintained at 200 KPa and 300 KPa.

The drying air pipe is in a circular shape formed by welding stainless steel pipes with the diameter of 20mm, air blowing holes with the diameter of 6 are uniformly distributed at the lower part of the drying air pipe, and the distance between the air blowing holes is 20 mm.

And a tuyere filtering device is arranged in front of the inlet pipe and the air inlet pipe of the drying fan.

The outer wall of the outer jacket is provided with an outer jacket wall hole, the inner wall of the outer jacket is communicated with an inner container wall hole, and the diameter of the wall hole is 6 mm.

Compared with the prior art, the utility model has the beneficial effects that: the method comprises the following steps of enabling higher gas containing various harmful gases and water, particularly carbon monoxide gas to pass through an active carbon first area in an intermittent flue gas dust removal device from bottom to top through an air inlet pipe to remove water and ash, enabling clean carbon monoxide to react with a hopcalite agent area to generate carbon dioxide, and enabling the carbon dioxide to pass through an active carbon second area again to achieve the purpose of secondary cleaning; the outer jacket wall hole effectively carries out primary screening to the flue gas, install tuyere filter equipment before drying blower import pipe and the intake pipe, played the purpose that cooling air filtration purified, carry out catalytic reaction with poisonous and harmful gas through this device and generate carbon dioxide, alleviate the pollution and the personnel poisoning risk problem of poisonous and harmful gas to the environment.

Drawings

FIG. 1 is a schematic view of an intermittent flue gas dust removal device of the present invention.

In fig. 1: 1 is an air inlet pipe; 2 is a drying fan; 3 is dry air; 4 is a dry air pipe; 401 is a pressure gauge; 5 is an air outlet pipe; 501 is a gas on-line analyzer; 6 is a fastening bolt; 7 is a sealing cover; 8 is a purifying liner; 9 is active carbon; 10 is a purifying sieve plate; 11 is hopcalite; 12 is a purifying sieve plate; 13 is active carbon; 14 is an outer jacket; 15 is activated carbon; 16 is a purifying sieve plate; 17 is an outer jacket wall hole; 18 is a liner wall hole; 19 is a dust removal cylinder body; 20 are supporting legs; 21 is a blow-off valve.

Detailed Description

Referring to the attached drawing 1, in order to achieve the above object, embodiment 1 of the present invention provides a flame detection device of an alkali making furnace, which is capable of effectively cooling and cleaning a flame detector lens, and is safe and reliable for furnace detection.

In order to achieve the purpose, the utility model provides an intermittent flue gas dust removal device, which aims to overcome the defects of the prior art and mainly comprises an air inlet pipe 1, a drying fan 2, a drying air pipe 4, an air outlet pipe 5, an on-line gas analyzer 501, a fastening bolt 6, a sealing cover 7, a purification liner 8, activated carbon 9, a hopcalite agent 11 and activated carbon 13; an outer jacket 14, active carbon 15, a purification sieve plate 16, an outer jacket wall hole 17, an inner container wall hole 18 and a dedusting cylinder 19; the dust removal device comprises supporting legs 20 and a blow-down valve 21, wherein the air inlet pipe 1 is arranged at the lower part of a dust removal cylinder 19; the drying air pipe 4 is connected with the drying fan 2, and the purifying liner 8 is divided into three parts at the upper part of the dedusting cylinder 19; from last to being active carbon 9 district, hopcalite agent 11 district, active carbon 13 district down in proper order, having active carbon 15 and outside purifying inner bag 8 in outer jacket 14, sealed lid 7 and the overlap joint of 19 tops of dust removal barrel to fasten continuously by fastening bolt 6.

The air inlet pipe 1 is arranged at the position, one third away from the bottom, of the dust removing cylinder 19.

The drying air pipe 4 is arranged at the top one fourth of the dedusting cylinder 19.

The bottom of the purifying inner container 8 and the outer jacket 14 are supported by a purifying sieve plate 16.

And sieve pores with the diameter of 6mm are uniformly distributed on the purification sieve plate 16.

The purification liner 8 is provided with an active carbon 9 area, a hopcalite agent 11 area and an active carbon 13 area, and the areas are separated by purification sieve plates 10 and 12.

The drying fan 2 ensures that the pressure in the system is kept at 200 KPa and 300 KPa.

The drying air pipe 4 is in a ring shape formed by welding stainless steel pipes with the diameter of 20mm, air blowing holes with the diameter of 6mm are uniformly distributed at the lower part of the drying air pipe, and the distance between the air blowing holes is 20 mm.

And a tuyere filtering device is arranged in front of an inlet pipe and an air inlet pipe 1 of the drying fan 2.

The outer wall of the outer jacket 14 is provided with outer jacket wall holes 17, the inner wall is communicated with inner container wall holes 18, and the diameter of the wall hole is 6 mm.

Compared with the prior art, the utility model has the beneficial effects that: the higher gas containing various harmful gases and moisture, especially carbon monoxide gas, passes through an active carbon 15 area of an inner jacket and an outer jacket 14 of the intermittent flue gas dust removal device from the air inlet pipe 1 from bottom to top, then passes through an active carbon 13 area of the purification liner 8 for water removal and ash removal, the clean carbon monoxide reacts with a hopcalite agent 11 area to generate carbon dioxide, and passes through an active carbon 9 area again to achieve the purpose of secondary cleaning, and as the dust removal device is made of stainless steel, corrosion-resistant sealant is used for manufacturing a sealant cushion at the fixed connection position of the purification liner 8 and the dust removal cylinder 19; install tuyere filter equipment before 2 import pipes of drying fan and intake pipe 1, played the purpose of cooling air filtration purification, carry out catalytic reaction with poisonous and harmful gas through this device and generate carbon dioxide, alleviate the pollution and the personnel poisoning risk problem of poisonous and harmful gas to the environment.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood that it is not intended to be exhaustive or to limit the utility model to the precise form disclosed, and that various modifications and adaptations may be resorted to without departing from the principles of the utility model and are intended to those skilled in the art by virtue of the fact that the utility model is described in detail and with the understanding that various embodiments of the utility model are suited to the particular use contemplated.

Claims (10)

1. The utility model provides an intermittent type formula flue gas dust collector which characterized in that: the flue gas dust removal device mainly comprises an air inlet pipe, a drying fan, a drying air pipe, an air outlet pipe, an on-line gas analyzer, a fastening bolt, a sealing cover, a purification liner, active carbon, a hopcalite agent and the active carbon; the device comprises an outer jacket, active carbon, a purification sieve plate, an outer jacket wall hole, an inner container wall hole and a dust removal cylinder; the dust removal device comprises support legs and a drain valve, wherein the air inlet pipe is arranged at the lower part of the dust removal cylinder; the drying air pipe is connected with the drying fan, and the purifying inner container is divided into three parts at the upper part of the dedusting cylinder; from last to being active carbon district, hopcalite agent district, active carbon district down in proper order, have active carbon and outside purifying the inner bag in the outer jacket, sealed lid and dust removal barrel top overlap joint to link to each other by the fastening bolt fastening.

2. An intermittent flue gas dust removal device according to claim 1, wherein: the air inlet pipe is arranged at the position, one third away from the bottom, of the dust removing cylinder body.

3. An intermittent flue gas dust removal device according to claim 1, wherein: the drying air pipe is arranged at a position which is one fourth of the distance from the top of the dust removal cylinder body.

4. An intermittent flue gas dust removal device according to claim 1, wherein: the bottom of the purifying inner container and the outer jacket are supported by a purifying sieve plate.

5. An intermittent flue gas dust removal device according to claim 1, wherein: and sieve pores with the diameter of 6mm are uniformly distributed on the purification sieve plate.

6. An intermittent flue gas dust removal device according to claim 1, wherein: the purifying inner container is internally provided with an active carbon area, a hopcalite agent area and an active carbon area, and sections are separated by purifying sieve plates among the areas.

7. An intermittent flue gas dust removal device according to claim 1, wherein: the drying fan ensures that the pressure in the system is maintained at 200 KPa and 300 KPa.

8. An intermittent flue gas dust removal device according to claim 1, wherein: the drying air pipe is in a ring shape formed by welding stainless steel pipes with the diameter of 20mm, air blowing holes with the diameter of 6mm are uniformly distributed at the lower part of the drying air pipe, and the distance between the air blowing holes is 20 mm.

9. An intermittent flue gas dust removal device according to claim 1, wherein: and a tuyere filtering device is arranged in front of the inlet pipe and the air inlet pipe of the drying fan.

10. An intermittent flue gas dust removal device according to claim 1, wherein: the outer wall of the outer jacket is provided with an outer jacket wall hole, the inner wall of the outer jacket is communicated with an inner container wall hole, and the diameter of the wall hole is 6 mm.

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