Smoke exhaust air pipe capable of reducing pollution

Abstract

The utility model discloses a smoke exhaust air duct capable of reducing pollution, which comprises an air duct main body, the air duct main body is divided into a front filter cavity and a rear exhaust cavity, a water adsorption tank is arranged at the bottom of the middle of the air duct main body, a plurality of through holes communicated with the water adsorption tank are arranged at the bottom of the rear end of the front filter cavity, and an air outlet communicated with the water adsorption tank is arranged at the bottom of the front side of the rear exhaust cavity. A filter cloth cover is arranged on the front side of the inclined supporting net, a dust collecting box is arranged at the position, below the filter cloth cover, of the bottom of the air pipe body, and an air inlet and an air outlet are formed in the front portion and the rear portion of the air pipe body. Compared with the prior art, the utility model has the advantages that dust is filtered and collected through the front side, filtering and cleaning are convenient, water is filtered in the middle, harmful gas can be conveniently adsorbed and neutralized by water, and meanwhile, peculiar smell is adsorbed through the rear end, so that harmful flue gas can be comprehensively filtered for some small factories.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust ducts, in particular to a smoke exhaust duct capable of reducing pollution. Background Art

[0002] Smoke exhaust is a professional term in fire protection engineering, which refers to the discharge of smoke to the outside of the building. Smoke is generally harmful or highly polluted air, so simple smoke exhaust equipment generally simply discharges smoke to the outside, which can easily cause damage to the surrounding environment.

[0003] In order to prevent the emission of harmful smoke, the existing technology often starts with pre-treatment operations. Generally, smoke exhaust equipment is large spray equipment. The equipment is large and the cost is high. It can only be used in factories of large industries. Some small equipment is simply equipped with exhaust equipment to discharge it outward. At most, a filter cover is added, but it needs to be cleaned regularly. If it is not cleaned for a long time, the filtering operation will still not be achieved. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a smoke exhaust duct with low cost and convenient use to reduce pollution in view of the deficiencies in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a kind of smoke exhaust duct with reduced pollution, including an air duct main body, the air duct main body is divided into a front filter chamber and a rear exhaust chamber, the middle bottom of the air duct main body is connected with a water adsorption box, the bottom of the rear end of the front filter chamber is provided with a plurality of through holes connected with the water adsorption box, the front bottom of the rear exhaust chamber is provided with an air outlet connected with the water adsorption box, the bottom of the front side of the rear exhaust chamber is connected with an air guide pipe connected with the through holes, the bottom of the air guide pipe is connected with an air distribution plate, the middle of the front filter chamber is connected with an inclined support net with upper front and lower rear, the front side of the inclined support net is connected with a filter cloth cover, the bottom of the air duct main body is located below the filter cloth cover and is connected with a dust outlet, the bottom of the dust outlet is connected with a dust collecting box, the bottom of the dust collecting box is connected with a dust exhaust sealing door, and the air duct main body is provided with air inlet and exhaust port respectively matching the front filter chamber and the rear exhaust chamber.

[0006] Furthermore, the air inlet and the exhaust port are respectively connected to a front fan and a rear fan, and the outsides of the air inlet and the exhaust port are connected to filter screens, which is convenient for increasing wind force and speeding up filtering operations.

[0007] Furthermore, the bottom of the gas distribution plate is provided with an exhaust hole connected to the air guide pipe, so as to facilitate full contact between gas and liquid.

[0008] Furthermore, an activated carbon adsorption layer is connected to the rear discharge cavity, a supporting grid for supporting the activated carbon adsorption layer is connected to the rear discharge cavity, and a replacement sealing door for matching the activated carbon adsorption layer is connected to the outer side of the air duct body to facilitate the absorption of odor at the rear end.

[0009] Furthermore, one side is respectively connected with a water adding valve pipe and a drain valve pipe at the upper and lower parts, so as to facilitate water adding and draining operations.

[0010] Furthermore, an electric push rod fixedly connected to the inclined support net is connected to the rear side of the front filter chamber to facilitate the oscillation of the inclined support net and the dust removal operation of the front filter cloth cover.

[0011] The advantages of the pollution-reducing smoke exhaust duct of the utility model compared with the prior art are: the utility model filters dust and collects dust at the front side, which is convenient for filtering and cleaning, and filters water in the middle, which can facilitate water adsorption and neutralization of harmful gases, while absorbing odors through the rear end, so that harmful smoke can be filtered more comprehensively for some small factories. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a structural schematic diagram of a smoke exhaust duct for reducing pollution.

[0013] Figure 2 The utility model is a schematic cross-sectional structure diagram of a smoke exhaust duct for reducing pollution.

[0014] Figure 3 The utility model is a side sectional structural schematic diagram of a smoke exhaust duct for reducing pollution.

[0015] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of an air distribution plate of a smoke exhaust duct for reducing pollution.

[0016] As shown in the figure: 1. Duct body; 2. Front filter chamber; 3. Rear discharge chamber; 4. Water adsorption box; 5. Air outlet; 6. Through hole; 7. Air guide pipe; 8. Air distribution plate; 9. Exhaust through hole; 10. Air inlet; 11. Exhaust port; 12. Front fan; 13. Rear fan; 14. Filter screen; 15. Inclined support net; 16. Filter cloth cover; 17. Dust outlet; 18. Dust collection box; 19. Dust exhaust sealing door; 20. Activated carbon adsorption layer; 21. Support grid; 22. Replacement sealing door; 23. Water adding valve pipe; 24. Drain valve pipe; 25. Electric push rod. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] Combined with Figure 1-4A smoke exhaust duct for reducing pollution comprises an air duct body 1, wherein the air duct body 1 is divided into a front filter chamber 2 and a rear exhaust chamber 3, a water adsorption box 4 is connected to the middle bottom of the air duct body 1, a plurality of through holes 6 communicating with the water adsorption box 4 are arranged at the rear end bottom of the front filter chamber 2, an air outlet 5 communicating with the water adsorption box 4 is arranged at the front bottom of the rear exhaust chamber 3, an air guide pipe 7 communicating with the through hole 6 is connected to the inner bottom of the water adsorption box 4, an air distribution plate 8 is connected to the bottom of the air guide pipe 7, and a gas distribution plate 8 is arranged at the bottom of the gas distribution plate 8. The exhaust through hole 9 connected to the tube 7, the air enters the front side of the air duct body 1, and enters the water adsorption box 4 through the through hole 6, the air guide pipe 7 and the air distribution plate 8 for water adsorption. The gas can form smaller bubbles through the exhaust through hole 9, which can ensure that the gas and the liquid are fully in contact and react. The water in the water adsorption box 4 is replaced according to demand. If some acidic gases need to be neutralized, some alkaline liquid can be placed in the water in the water adsorption box 4. A water adding valve pipe 23 and a drain valve pipe 24 are respectively connected to the upper and lower sides of one side, and the internal liquid can be replaced regularly through the water adding valve pipe 23 and the drain valve pipe 24.

[0019] The air duct body 1 is provided with an air inlet 10 and an exhaust port 11 respectively cooperating with the front filter chamber 2 and the rear exhaust chamber 3. The air inlet 10 and the exhaust port 11 are respectively connected with a front fan 12 and a rear fan 13. The outsides of the air inlet 10 and the exhaust port 11 are connected with a filter screen plate 14. The front fan 12 and the rear fan 13 in the air inlet 10 and the exhaust port 11 can speed up the gas input and output, speed up the gas filtration rate, and at the same time, pre-filtration can be performed through the filter screen plate 14 to prevent larger garbage from entering.

[0020] An inclined support net 15 with an upper front and lower rear portion is connected to the middle portion of the front filter chamber 2, a filter cloth cover 16 is connected to the front side of the inclined support net 15, a dust outlet 17 is connected to the bottom of the air duct main body 1 below the filter cloth cover 16, a dust collecting box 18 is connected to the bottom of the dust outlet 17, fine dust can be filtered by the inclined support net 15 and the filter cloth cover 16, fine particles filtered by the filter cloth cover 16 can be collected by the dust collecting box 18, a dust exhaust sealing door 19 is connected to the bottom of the dust collecting box 18, and the settled dust can be discharged by regularly opening the dust exhaust sealing door 19, an electric push rod 25 fixedly connected to the inclined support net 15 is connected to the rear side of the front filter chamber 2, the inclined support net 15 can be vibrated by the electric push rod 25, so that the dust adsorbed on the filter cloth cover 16 can fall down, if the inclined support net 15 adopts a harder mesh plate, the electric push rod 25 can be appropriately replaced with a vibration motor.

[0021] An activated carbon adsorption layer 20 is connected to the rear discharge chamber 3, a supporting grid 21 for supporting the activated carbon adsorption layer 20 is connected to the rear discharge chamber 3, and a replacement sealing door 22 for cooperating with the activated carbon adsorption layer 20 is connected to the outer side of the air duct main body 1. The activated carbon adsorption layer 20 can absorb some gases with strong odor, and the replacement sealing door 22 is convenient for regular replacement of the activated carbon adsorption layer 20. The activated carbon adsorption layer 20 can be inserted according to demand.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A smoke exhaust duct for reducing pollution, comprising a duct body (1), characterized in that: The air duct body (1) is divided into a front filter chamber (2) and a rear discharge chamber (3); a water adsorption box (4) is connected to the middle bottom of the air duct body (1); a plurality of through holes (6) communicating with the water adsorption box (4) are provided at the rear end bottom of the front filter chamber (2); an air outlet (5) communicating with the water adsorption box (4) is provided at the front bottom of the rear discharge chamber (3); an air guide pipe (7) communicating with the through hole (6) is connected to the inner bottom of the water adsorption box (4); an air distribution plate (8) is connected to the bottom of the air guide pipe (7); and the front filter chamber ( 2) An inclined support net (15) is connected to the middle part of the inner part and is arranged at the upper front and lower rear. A filter cloth cover (16) is connected to the front side of the inclined support net (15). A dust discharge port (17) is connected to the bottom of the air duct body (1) below the filter cloth cover (16). A dust collecting box (18) is connected to the bottom of the dust discharge port (17). A dust discharge sealing door (19) is connected to the bottom of the dust collecting box (18). An air inlet (10) and an air outlet (11) are provided at the front and rear of the air duct body (1) to respectively cooperate with the front filter chamber (2) and the rear exhaust chamber (3).

2. The smoke exhaust duct for reducing pollution according to claim 1, characterized in that: The air inlet (10) and the air outlet (11) are respectively connected to a front fan (12) and a rear fan (13), and the outsides of the air inlet (10) and the air outlet (11) are both connected to a filter screen (14).

3. The smoke exhaust duct for reducing pollution according to claim 1, characterized in that: The bottom of the gas distribution plate (8) is provided with an exhaust through hole (9) which is in communication with the air guide pipe (7).

4. The smoke exhaust duct for reducing pollution according to claim 1, characterized in that: An activated carbon adsorption layer (20) is connected to the rear discharge chamber (3), a support grid (21) for supporting the activated carbon adsorption layer (20) is connected to the rear discharge chamber (3), and a replacement sealing door (22) for matching the activated carbon adsorption layer (20) is connected to the outside of the air duct body (1).

5. The smoke exhaust duct for reducing pollution according to claim 1, characterized in that: The one side is respectively connected with a water adding valve pipe (23) and a water draining valve pipe (24) at the top and the bottom.

6. The smoke exhaust duct for reducing pollution according to claim 1, characterized in that: The inner rear side of the front filter chamber (2) is connected to an electric push rod (25) fixedly connected to the inclined support net (15).

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