Hot air blowing device of high-temperature electric dust remover

Abstract

The utility model discloses a hot air blowing device of a high-temperature electric dust remover. A fan is connected with a heating box, the heating box is fixed to the top of a dust remover shell, an outlet of the heating box is connected with a vertical pipeline, the vertical pipeline vertically downwards enters a dust remover top cover and becomes a transverse pipeline through a tee joint, and the transverse pipeline transversely penetrates through a first insulator chamber, a second insulator chamber and a third insulator chamber. The porcelain sleeve is fixed at the inner bottom of the heating box, the porcelain sleeve cover plate is arranged at the upper inner end of the porcelain sleeve, and small holes are formed in the porcelain sleeve cover plate to enable hot air to purge the inner wall of the porcelain sleeve to enable the temperature to rise to be dry and clean. As the fan adopts the porcelain sleeve to purge through hot air, the inner surface and the outer surface are ensured to be dry and clean, and water vapor or dust is prevented from being attached to the surface of the porcelain sleeve to cause dew formation and creepage phenomena. The surface temperature of the porcelain sleeve is continuously higher than the dew point temperature, and normal operation of the dust remover is guaranteed.

Description

Technical field:

[0001] The utility model relates to the field of high-temperature electric precipitators, in particular to a hot air blowing device for high-temperature electric precipitators. Background technology:

[0002] Electrostatic precipitator is an important environmental protection equipment to improve environmental pollution and air quality. For some high-temperature precipitators with bad flue gas conditions, such as glass kiln high-temperature precipitators, the high flue gas temperature is more likely to cause creepage and condensation on porcelain parts, and creepage and condensation on porcelain parts can easily cause the porcelain sleeve to crack. Utility model content:

[0003] The technical problem to be solved by the utility model is to propose a hot air blowing device for a high-temperature electrostatic precipitator, which uses a porcelain sleeve to blow hot air to ensure that the inner and outer surfaces are dry and clean, and to prevent water vapor or dust from adhering to the surface of the porcelain sleeve to cause condensation and creepage. It ensures that the surface temperature of the porcelain sleeve is continuously higher than the dew point temperature, so that the dust collector can operate normally.

[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: the fan outlet of the hot air blowing device of the high-temperature electrostatic precipitator is connected to the inlet of the heating box by a flange, the heating box is fixed to the top of the dust collector shell through a heating box bracket, the heating box outlet is connected to the vertical pipe, the vertical pipe vertically downward enters the inside of the dust collector top cover, and becomes a horizontal pipe through a tee, the horizontal pipe traverses the first insulator chamber, the second insulator chamber and the third insulator chamber, the porcelain sleeve is fixed to the bottom of the dust collector shell, the porcelain sleeve cover plate is arranged on the inner end of the porcelain sleeve, the porcelain sleeve cover plate is provided with small holes, and the hot air blows the inner wall of the porcelain sleeve through the small holes on the porcelain sleeve cover plate to increase the temperature and make it dry and clean.

[0005] The beneficial effects of the utility model are as follows: by using hot air to purge the porcelain sleeve, the inner and outer surfaces are kept dry and clean, and water vapor or dust is prevented from adhering to the surface of the porcelain sleeve to cause condensation and creepage. The surface temperature of the porcelain sleeve is ensured to be continuously higher than the dew point temperature, so that the dust collector can operate normally. Description of the drawings:

[0006] Figure 1 It is the front view of the utility model.

[0007] Figure 2 yes Figure 1 Right view of . Specific implementation method:

[0008] The utility model is further described below in conjunction with the accompanying drawings:

[0009] Example 1: Figure 1 , Figure 2As shown, the outlet of the fan 1 of the hot air blowing device of the high-temperature electrostatic precipitator is connected to the inlet of the heating box 3 by a flange, the heating box 3 is fixed to the top of the dust collector housing 15 through the heating box bracket 2, the outlet of the heating box 3 is connected to the vertical pipe 5, the vertical pipe 5 vertically downward enters the interior of the dust collector top cover 16, and becomes a horizontal pipe 10 through a tee, the horizontal pipe 10 crosses the first insulator chamber 12, the second insulator chamber 13 and the third insulator chamber 14, the porcelain sleeve 9 is fixed to the bottom of the dust collector housing 15, the porcelain sleeve cover plate 8 is arranged on the inner end of the porcelain sleeve 9, the porcelain sleeve cover plate 8 is provided with small holes, and the hot air blows the inner wall of the porcelain sleeve 9 through the small holes on the porcelain sleeve cover plate 8 to increase the temperature and make it dry and clean.

[0010] Example 2: Figure 1 , Figure 2 As shown, the first insulator chamber 12 , the second insulator chamber 13 and the third insulator chamber 14 of the hot air blowing device of the high-temperature electric precipitator are arranged inside the precipitator housing 15 .

[0011] Example 3: Figure 1 , Figure 2 As shown, the fan 1 of the hot air blowing device of the high-temperature electrostatic precipitator is arranged at the upper end of the dust collector top cover 16 of the dust collector housing 15, a screen is arranged at the inlet of the fan 1, and pipe plugging plates 11 are welded at both ends of the transverse pipe 10.

[0012] Example 4: Figure 1 , Figure 2 As shown, the heating box 3, vertical pipe 5 and transverse pipe 10 of the high-temperature electrostatic precipitator hot air blowing device are wrapped with an insulation layer 6, a rainproof canopy 4 is provided on the heating box 3, and a pipe rainproof cover 7 is provided on the vertical pipe 5.

[0013] Example 5: Figure 1 , Figure 2 As shown, the transverse pipe 10 of the hot air blowing device of the high-temperature electrostatic precipitator passes through all the electric fields of the precipitator, and the pipes entering the first insulator chamber 12, the second insulator chamber 13 and the third insulator chamber 14 are drilled on site during construction.

[0014] Example 6: Figure 1 , Figure 2 As shown, the cable of the hot air blowing device of the high-temperature electrostatic precipitator is connected to the heating element in the heating box 3 through the small hole on the porcelain sleeve cover plate 8.

[0015] Embodiment 7: The working principle of the utility model is:

[0016] The fan introduces the air filtered by the external screen into the heating box for heating. The heated air enters each insulator chamber through the vertical and horizontal pipes. The hot air is diffused and evenly fills the entire insulator chamber, and the insulator chamber is blown with hot air to heat the outer wall of the porcelain sleeve and make the outer surface of the porcelain sleeve in the insulator chamber dry and clean. A part of the hot air blows the inner wall of the porcelain sleeve through the small holes on the porcelain sleeve cover to increase the temperature of the inner wall. At this time, both the inner and outer walls are fully heated and the inner wall is also dry and clean, which can prevent the surface and inner wall of the porcelain sleeve from condensation and creepage and cracking, thereby ensuring the normal operation of the high-temperature dust collector.

[0017] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A hot air blowing device for a high-temperature electric precipitator, characterized in that: The outlet of the fan (1) is connected to the inlet of the heating box (3) by a flange. The heating box (3) is fixed to the top of the dust collector housing (15) through a heating box bracket (2). The outlet of the heating box (3) is connected to a vertical pipe (5). The vertical pipe (5) vertically downwardly enters the interior of the dust collector top cover (16) and becomes a transverse pipe (10) through a tee. The transverse pipe (10) crosses the first insulator chamber (12), the second insulator chamber (13) and the third insulator chamber (14). The porcelain sleeve (9) is fixed to the bottom of the dust collector housing (15). The porcelain sleeve cover plate (8) is arranged on the inner end of the porcelain sleeve (9). The porcelain sleeve cover plate (8) is provided with small holes. Hot air passes through the small holes on the porcelain sleeve cover plate (8) to blow the inner wall of the porcelain sleeve (9) to increase the temperature and make it dry and clean.

2. The hot air blowing device for high temperature electric precipitator according to claim 1 is characterized in that: The first insulator chamber (12), the second insulator chamber (13) and the third insulator chamber (14) are arranged inside the dust collector housing (15).

3. The hot air blowing device for a high-temperature electric precipitator according to claim 1 is characterized in that: The fan (1) is arranged on the upper end of the dust collector top cover (16) of the dust collector housing (15), a screen is arranged at the inlet of the fan (1), and pipe plugging plates (11) are welded at both ends of the transverse pipe (10).

4. The hot air blowing device for a high-temperature electric precipitator according to claim 1 is characterized in that: The heating box (3), vertical pipe (5) and transverse pipe (10) are externally wrapped with a heat-insulating layer (6); a rainproof canopy (4) is provided on the heating box (3); and a pipe rainproof cover (7) is provided on the vertical pipe (5).

5. The hot air blowing device for a high temperature electric precipitator according to claim 1 is characterized in that: The transverse pipe (10) passes through all the electric fields of the dust collector, and the pipes entering the first insulator chamber (12), the second insulator chamber (13) and the third insulator chamber (14) are drilled on site during construction.

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