A multi-channel combined cloth bag dust collector

Abstract

The utility model relates to a kind of multi-channel combined cloth bag dust collector, including shell body, multiple independent dust removal units are equipped in shell body, each dust removal unit includes identical structure component and is arranged side by side;Each dust removal unit respectively includes respective corresponding air inlet channel, air inlet valve, hopper, large particle dust settling zone, filter bag filter area, clean gas chamber, poppet valve plate and air outlet channel;The top of hopper is large particle dust settling zone, the top of large particle dust settling zone is filter bag filter area, the top of filter bag filter area is clean gas chamber, clean gas chamber is connected air outlet channel by poppet valve plate.The utility model is isolated by the partition of at least three independent dust removal units, and the expansion ability in combination unit is divided into room and is different from filter bag configuration, solve multi-dust source point dust cross contamination, site is limited and operation and maintenance problem, realize the independent recovery of steel plant batching dust, space intensive treatment and non-stop maintenance.

Claims

1. A multi-channel combined bag filter dust collector, characterized in that: Includes an outer shell, inside which are multiple independent dust removal units: dust removal unit A, dust removal unit B, dust removal unit C to N, each dust removal unit has the same structural components and they are arranged in parallel; Each dust removal unit includes its own corresponding air inlet channel, air inlet valve, dust hopper, large particle dust settling area, filter bag filtration area, clean air chamber, lifting valve plate, and air outlet channel; the air inlet valves of the first dust removal unit, the second dust removal unit, the third dust removal unit, and the Nth dust removal unit are arranged sequentially from bottom to top on the lower part of one side of the outer casing, and the air outlets of the first dust removal unit, the second dust removal unit, the third dust removal unit, and the Nth dust removal unit are arranged sequentially from bottom to top on the upper part of the other side of the outer casing; the air inlet valve of each dust removal unit is connected to the corresponding air inlet channel, and the air outlet of each dust removal unit is connected to the corresponding air outlet channel; Within each dust removal unit, above the dust hopper is a large-particle dust settling area, above the large-particle dust settling area is a filter bag filtration area, and above the filter bag filtration area is a clean air chamber. The clean air chamber is connected to the air outlet channel via a lifting valve plate. The air inlet channel is connected to the dust hopper, the dust hopper is connected to the large-particle dust settling area, the large-particle dust settling area is connected to the filter bag filtration area, the filter bag filtration area is connected to the clean air chamber, and the clean air chamber is connected to the air outlet channel. An L-shaped partition is provided between the air inlet valves of two adjacent dust removal units. One end of the L-shaped partition is connected between the corresponding two adjacent air inlet valves on the inner wall of the outer casing, and the other end reaches the connection point of the ash hoppers of the corresponding two adjacent dust removal units. A horizontal partition is provided above the air inlet valve of the last dust removal unit. One end of the horizontal partition is connected above the air inlet valve of the corresponding dust removal unit on the inner wall of the outer casing, and the other end is connected below the air outlet of the corresponding dust removal unit on the inner wall of the outer casing. A partition is provided between the clean air chambers of two adjacent dust removal units. The partition is L-shaped. One end of the partition is located in the middle between two adjacent clean air chambers on the top surface of the outer shell, and the other end is connected to the air outlets of two adjacent dust removal units on the inner wall of the outer shell.

2. The multi-channel combined bag filter dust collector according to claim 1, characterized in that: Multiple independent dust removal units are divided into high-temperature dust removal units and normal-temperature dust removal units. The high-temperature dust removal unit is equipped with a high-temperature filter bag filtration area, which uses heat-resistant filter bags. The normal-temperature dust removal unit is equipped with a normal-temperature filter bag filtration area, which uses normal-temperature filter bags.

3. The multi-channel combined bag filter dust collector according to claim 1, characterized in that: The dust removal unit is divided into multiple sub-units. The division method of the independent sub-units is the same as that of the independent dust removal unit. The air inlet channel is divided into multiple sub-channels. Each sub-channel is independently equipped with a dust hopper, settling zone, filter bag zone and clean air chamber, and is equipped with lifting cylinder, jet air manifold and jet pipe respectively. The clean air of the sub-channels all flows into the air outlet channel.

4. The multi-channel combined bag filter dust collector according to claim 1, characterized in that: A rotary valve is provided at the bottom outlet of the ash hopper.

5. A multi-channel combined bag filter dust collector according to claim 1, characterized in that: The filter bag filtration area is equipped with a blow pipe at the top, and one end of the blow pipe extends out of the outer shell and is connected to a blow air bag.

6. A multi-channel combined bag filter dust collector according to claim 1, characterized in that: The lifting valve plate is connected to the lifting cylinder, which is located on the top of the outer casing.

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