CN201168531Y - Electric bag combined dust collector - Google Patents

Abstract

The utility model discloses an electric bag combined dust collector, which includes an electrostatic dust removal unit and a bag dust removal unit, the two units are connected into a whole, and an air equalizer is provided at the junction of the electrostatic dust removal unit and the bag dust removal unit. device. The utility model not only has high dust removal efficiency, but also reduces the number of cleaning times of the cloth bag and improves the service life of the cloth bag.

Description

Electric bag combined dust collector

technical field

The utility model relates to an electric bag combined dust collector, which comprises an electrostatic dust removal unit and a cloth bag dust removal unit.

Background technique

At present, the electric bag combined dust collector is widely used in electric power, building materials, steel, chemical industry, papermaking, food and other industries. The electric bag combined dust collector includes an electrostatic dust removal unit and a bag dust removal unit, and these two units are connected as a whole. When the electric bag combined dust collector is working, the dust-laden flue gas enters directly from the inlet of the electrostatic precipitator unit first, and the dust particles, after being charged, tend to the dust collection electrode under the action of the electric field force and are collected by the dust collection electrode. , The flue gas after electrostatic dust removal enters the bag dust removal unit, and the clean gas filtered by the bag enters the clean air chamber and is discharged from the outlet through the exhaust fan. Since the flue gas after dust removal by the electrostatic precipitator unit directly enters the bag dust removal unit, the air flow direction and flow velocity of the flue gas cannot be controlled, which not only causes the different bag loads in the bag dust removal unit to reduce the dust removal efficiency, but also It also affects the uniformity of the smoke distribution in the electrostatic precipitator unit and reduces the dust removal efficiency of the unit.

Utility model content

The technical problem to be solved by the utility model is to provide an electric bag combined dust collector with high dust removal efficiency.

In order to solve the above technical problems, the utility model is an electric bag combined dust collector, which contains an electrostatic dust removal unit and a bag dust removal unit. The joint is equipped with a uniform air device.

The air equalizing device includes a frame and a strip plate, and the strip plates are arranged in the frame vertically or horizontally in sequence, and gaps are left between the strip plates.

The air equalizing device includes a frame and a perforated plate, and the plate is arranged in the frame.

The bag dust removal unit is a line spray bag type pulse dust collector.

Since the air-equalizing device is installed at the junction of the electrostatic precipitator unit and the bag dust-removal unit, the air flow direction and flow velocity of the flue gas after dust removal by the electrostatic precipitator unit are controlled when passing through the air-equalizing device, so that the flue gas The airflow of the bag filter enters each bag of the bag dust removal unit smoothly and evenly, which improves the dust removal efficiency on the one hand, reduces the number of cleaning of the bag on the other hand, and improves the service life of the bag. Since the flue gas in the electrostatic precipitator unit must pass through the air equalizing device when it enters the bag dust removal unit, due to the blocking effect of the air equalizing device, the flue gas in the electrostatic precipitator unit is evenly distributed and the dust removal efficiency is improved. Since the bag dust removal unit is a row spray bag type pulse dust collector, and the dust removal efficiency of the dust collector is high, it is beneficial to improve the dust removal efficiency of the electric bag combined dust collector.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of an embodiment of the air equalizing device of the electric bag combined dust collector of the present invention.

Detailed ways

In Fig. 1, the electric bag combined dust collector includes an electrostatic dust removal unit 2 and a bag dust removal unit 5, these two units are connected as a whole, and an air equalization device 4 is provided at the junction 3 of these two units. The structure of an embodiment of the air equalizing device 4 is shown in Figure 2. It contains a frame 9 and a strip plate 7. The strip plates 7 are vertically arranged in the frame 9 in sequence, and there are gaps between several strip plates 7. 8. As another embodiment of the air equalizing device 4 , the strip plates 7 can also be arranged horizontally and sequentially in the frame 9 , and gaps 8 are left between several strip plates 7 . Another embodiment of the air equalizing device 4 , the air equalizing device 4 includes a frame 9 and a perforated plate, and the plate is arranged on the frame 9 . In order to improve the dust removal efficiency, the bag dust removal unit 5 can adopt a line spray bag type pulse dust collector with higher dust removal efficiency. When the electric bag combined dust collector is working, the dusty flue gas enters the electrostatic precipitator unit 2 from the inlet 1 under the action of the induced draft fan. After the dust particles are charged, they deviate from the direction of the main airflow and tend to the dust collection electrode , is captured by the dust collecting electrode. When the flue gas after electrostatic dust removal passes through the air equalizing device 4, it must pass through the gap 8 between the strip plates 7 of the air equalizing device 4 or the through holes on the perforated plate, so that the flue gas entering the bag dust removal unit 5 The airflow direction and flow velocity are controlled, so that the airflow of the flue gas enters the baghouses of the baghouse 5 smoothly and evenly. service life. Due to the blocking effect of the air equalizing device 4 on the flow rate of the dust-laden smoke, the flow rate of the smoke in the electrostatic precipitator unit 2 is slowed down, which greatly facilitates the uniform distribution of the smoke in the unit and improves the dust removal efficiency. The flue gas entering the bag dust removal unit 5, the clean gas filtered by the bag enters the clean air chamber and is discharged into the atmosphere from the outlet 6 through the exhaust fan.

Claims (3)

1. An electric bag combined dust collector, which contains an electrostatic dust removal unit and a bag dust removal unit, these two units are connected as a whole, and it is characterized in that: a uniform wind device. 2. The electric bag combined dust collector according to claim 1, characterized in that: the air equalizing device includes a frame and strip plates, and the strip plates are arranged in the frame vertically or horizontally in sequence, and the There is a gap between them. 3. The electric bag combined dust collector according to claim 1 or 2, characterized in that: the bag dust removal unit is a row spray bag type pulse dust collector.

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