A boiler flue gas dust removal and cleaning device

Abstract

The utility model relates to a boiler flue gas equipment technical field, specifically disclose a kind of boiler flue gas dust removal cleaning device, including box, the bottom of the box is connected with hopper, the bottom of the hopper is connected with valve, the upper portion of inside the box is connected with baffle, several dust removal cloth bag are installed in the baffle, cloth bag backflush device is installed in the upper cavity, the top of the box is equipped with air outlet, one side wall of the box is provided with upper air inlet and lower air inlet, the bottom of the baffle is provided with wind baffle, the lower air inlet is connected with smoke delivery pipeline, bifurcation pipe is arranged on the smoke delivery pipeline, the bifurcation pipe is connected with the upper air inlet, the side wall of the box with the upper air inlet and lower air inlet is horizontally provided with shaft, one end in the box of the shaft is connected with swing arm, the swing arm is connected with upper baffle and lower baffle, and the dust removal cleaning device considers the advantages of side air inlet and lower air inlet mode.

Claims

1. A boiler flue gas dust removal and cleaning device, comprising a housing (1), wherein a dust hopper (2) is connected to the bottom of the housing (1), a valve (3) is connected to the bottom of the dust hopper (2), a partition (11) is connected to the upper part of the housing (1), the partition (11) divides the inner cavity of the housing (1) into an independent upper cavity (12) and a lower cavity (13), the lower cavity (13) is connected to the dust hopper (2), a plurality of dust removal bags (4) are installed in the partition (11), a bag back-blowing device is installed in the upper cavity (12), and an exhaust port (14) connected to the upper cavity (12) is provided at the top of the housing (1), characterized in that, An upper air inlet (15) and a lower air inlet (16) are provided on one side wall of the housing (1) corresponding to the lower cavity (13). A baffle plate (111) is provided on the bottom side of the partition plate (11) near the upper air inlet (15). The bottom edge of the baffle plate (111) is lower than the bottom edge of the dust collector bag (4). The upper air inlet (15) is higher than the bottom edge of the baffle plate (111), and the lower air inlet (16) is lower than the bottom edge of the baffle plate (111). The lower air inlet (16) is connected to the smoke supply pipe (6). A branch pipe (61) is provided on the smoke supply pipe (6). The branch pipe (61) is connected to the upper air inlet (15). The upper air inlet (15) and the lower air inlet (16) are provided. A rotating shaft (71) is horizontally inserted through the side wall of the housing (1) of the air inlet (16). One end of the rotating shaft (71) inside the housing (1) is connected to a swing arm (7). An upper baffle (72) and a lower baffle (73) are connected to the swing arm (7). The upper baffle (72) can cover the upper air inlet (15), and the lower baffle (73) can cover the lower air inlet (16). When the upper baffle (72) covers the upper air inlet (15), the lower air inlet (16) is open. When the lower baffle (73) covers the lower air inlet (16), the upper air inlet (15) is open. A motor (9) that drives the rotating shaft (71) to rotate is installed outside the housing (1).

2. The boiler flue gas dust removal and cleaning device according to claim 1, characterized in that, The bag backflushing device includes several jet pipes (51) and several pulse solenoid valves (52). Several jet pipes (51) are arranged horizontally in the upper cavity (12). Several pulse solenoid valves (52) are connected to the jet pipes (51). Several pulse solenoid valves (52) are respectively arranged for several dust collector bags (4). An air bag (5) is installed on the outside of the housing (1). Several jet pipes (51) are all connected to the air bag (5).

3. The boiler flue gas dust removal and cleaning device according to claim 1, characterized in that, A fan (10) is connected to the exhaust port (14).

4. The boiler flue gas dust removal and cleaning device according to claim 1, characterized in that, The dust collector bag (4) is provided with a support cage (110) inside, and the support cage (110) is fixed on the partition (11).

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