Backwashing device for bio-trickling deodorization tower and bio-trickling deodorization tower

Abstract

The utility model relates to a bio-trickling deodorization tower and a backwashing device for the bio-trickling deodorization tower, and belongs to the technical field of environmental purification, the backwashing device comprises a tower body, a water backwashing assembly and a gas backwashing assembly, the water backwashing assembly is communicated with the tower body, the tower body internally comprises a filler cavity for placing a biological filler, and the filler cavity is communicated with the gas backwashing assembly. The bottom of the filler cavity is provided with a bottom screen plate, the gas backwashing assembly comprises a gas distribution structural member, the gas distribution structural member is arranged below the bottom screen plate, the gas distribution structural member comprises an outer ring pipe and an inner ring pipe which are communicated with each other, the inner side of the outer ring pipe is provided with a plurality of outer gas outlets, the outer side of the inner ring pipe is provided with a first outer gas outlet, and the outer side of the inner ring pipe is provided with a second outer gas outlet. First inner side air outlet holes are formed in the inner side of the inner ring pipe. By arranging the gas distribution structural part, the range of generated bubbles is larger, gas distribution is more uniform, by arranging the fan blade structure, the trend of the bubbles can be changed through rotation under the hydraulic action, the range of the bubbles is larger, and cleaning is cleaner and more efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental purification technical field especially, relates to a backflush device and biological trickling deodorization tower for biological trickling deodorization tower. BACKGROUND

[0002] Biological trickling deodorization tower is sequentially equipped with circulating water tank, waste gas inlet, biological filler, biological trickling filter and waste gas discharge port from bottom to top, and the waste gas to be handled enters into biological trickling deodorization tower from waste gas inlet, and the waste gas to be handled passes through biological filler from bottom to top, wherein biological filler is composed of filler particles with 10-20mm particle size, the particle surface is porous, the particle density is 0.25kg / L, the wear resistance is high, the corrosion resistance is strong, the pollutants in the waste gas to be handled are degraded by microorganism attached to the surface of biological filler, and the waste gas after deodorization is discharged from waste gas discharge port.

[0003] In prior art, the overall structure of air distribution structure is relatively simple, air flow distribution is uneven, and the cleaning efficiency of biological filler is affected. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a backflush device and biological trickling deodorization tower for biological trickling deodorization tower to solve the problems in the background art.

[0005] In order to realize the above-mentioned utility model purposes, the utility model provides a backflush device for biological trickling deodorization tower, which comprises a tower body, a water backflush assembly and a gas backflush assembly, the water backflush assembly is communicated with the tower body, the inside of the tower body comprises a filler cavity for placing biological filler, the bottom of the filler cavity is equipped with a bottom net plate, the gas backflush assembly comprises an air distribution structure, the air distribution structure is arranged below the bottom net plate, the air distribution structure comprises communicated outer ring pipe and inner ring pipe, the inner side of the outer ring pipe is equipped with a plurality of outer air outlet holes, the outer side of the inner ring pipe is equipped with a plurality of first outer side air outlet holes, and the inner side of the inner ring pipe is equipped with a plurality of first inner side air outlet holes.

[0006] Further, the air distribution structure and the bottom net plate are equipped with a fan page structure, the fan page structure is arranged on the bottom side wall of the bottom net plate, the water backflush assembly comprises an inner water pipe arranged in the tower body, the inner water pipe comprises an inner horizontal water pipe and an inner vertical pipe communicated with the inner horizontal water pipe, and the outlet of the inner vertical pipe is located below the fan page structure.

[0007] Further, the water backwashing assembly further comprises a water storage pool, the water storage pool is communicated with the inner horizontal water pipe through a water inlet pipe, a first water inlet valve is arranged on the water inlet pipe, water in the water storage pool is sent to the inner horizontal water pipe through a water pump, an outlet is arranged at the upper end of the tower body, the outlet is communicated with the water storage pool through an outlet pipe, and an outlet valve is arranged on the outlet pipe.

[0008] Further, a middle ring pipe is arranged between the outer ring pipe and the inner ring pipe, the middle ring pipe comprises a plurality of second outer side air outlet holes arranged on the outer side and a plurality of second inner side air outlet holes arranged on the inner side, the inner ring pipe is communicated with the middle ring pipe through a first connecting pipe, and the outer ring pipe is communicated with the middle ring pipe through a second connecting pipe.

[0009] Further, the outer ring pipe is communicated with an air inlet pipe outside, and an air inlet valve is arranged on the air inlet pipe.

[0010] The utility model discloses another aspect a kind of biological trickling filter deodorization tower comprising the backwashing device of above, the biological trickling filter deodorization tower further comprises waste gas inlet pipe, and waste gas valve is arranged on the waste gas inlet pipe.

[0011] Further, the bottom of the tower body is provided with a circulating water tank, and a plug valve is arranged above the circulating water tank.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The gas distribution structure is arranged, the range of generated bubbles is larger, and the gas distribution is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model embodiment;

[0015] Figure 2 It is the enlarged structural schematic diagram of the gas distribution structure of the utility model embodiment. DETAILED DESCRIPTION

[0016] To make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in conjunction with the drawings of the utility model. Obviously, the described embodiment is part of the embodiment of the utility model, not all the embodiments. The embodiments of the utility model will be described in conjunction with the drawings.

[0017] Embodiment 1

[0018] As Figures 1-2As shown, a backwashing device for a biological trickling deodorization tower, comprising a tower body 1, a water backwashing assembly and a gas backwashing assembly, the water backwashing assembly being in communication with the tower body 1, the tower body 1 comprising a filler cavity 9 for placing biological fillers inside, the bottom of the filler cavity 9 being provided with a bottom mesh plate 10, the gas backwashing assembly comprising a gas distribution structure 14, the gas distribution structure 14 being arranged below the bottom mesh plate 10, the gas distribution structure 14 comprising a communicating outer ring pipe 20 and an inner ring pipe 22, the inner side of the outer ring pipe 20 being provided with a plurality of outer gas outlets 23, the outer side of the inner ring pipe 22 being provided with a first outer side gas outlet 26, and the inner side of the inner ring pipe 22 being provided with a first inner side gas outlet 27;

[0019] The gas distribution structure 14 comprises a communicating outer ring pipe 20 and an inner ring pipe 22, the inner side of the outer ring pipe 20 is provided with a plurality of outer gas outlets 23, the plurality of outer gas outlets 23 are uniformly arranged along the inner side, the outer side of the inner ring pipe 22 is provided with a first outer side gas outlet 26, the first outer side gas outlet 26 is uniformly arranged along the inner side, the inner side of the inner ring pipe 22 is provided with a first inner side gas outlet 27, the first outer side gas outlet 26 is uniformly arranged along the inner side, after gas supply, the gas bubbles are formed through the outer gas outlets 23, the first outer side gas outlets 26 and the first inner side gas outlets 27, the gas bubbles are more and more uniform, the cleaning is more clean, and the cleaning efficiency is improved;

[0020] The gas distribution structure 14 and the bottom mesh plate 10 are provided with a fan page structure 11, the fan page structure 11 is arranged on the bottom side wall of the bottom mesh plate 10, the water backwashing assembly comprises an inner water pipe arranged in the tower body 1, the inner water pipe comprises an inner horizontal water pipe 12 and an inner vertical pipe 13 in communication with the inner horizontal water pipe 12, the outlet of the inner vertical pipe 13 is located below the fan page structure 11;

[0021] The fan page structure 11 comprises a blade that can rotate, the blade rotates under the action of water force at the outlet of the inner vertical pipe 13, and after rotation, the blade can beat the gas bubbles generated by the gas distribution structure 14, so that the range of the gas bubbles is larger and the cleaning is more uniform;

[0022] The water backwashing assembly further comprises a water storage tank 2, the water storage tank 2 is in communication with the inner horizontal water pipe 12 through a water inlet pipe 6, the water inlet pipe 6 is provided with a first water inlet valve 7, water in the water storage tank 2 is sent to the inner horizontal water pipe 12 through a water pump 8, the upper end of the tower body 1 is provided with a water outlet 3, the water outlet 3 is in communication with the water storage tank 2 through a water outlet pipe 4, and the water outlet pipe 4 is provided with a water outlet valve 5;

[0023] Water enters the bottom of the filler cavity 9 from the water inlet pipe 6, and then flows out from the water outlet 3, completing the circulation and cleaning the fillers in the filler cavity 9;

[0024] The middle ring pipe 21 is arranged between the outer ring pipe 20 and the inner ring pipe 22, and the middle ring pipe 21 comprises a second outer side gas outlet 24 arranged on the outer side and a second inner side gas outlet 25 arranged on the inner side; the inner ring pipe 22 is communicated with the middle ring pipe 21 through a first connecting pipe 28; and the outer ring pipe 20 is communicated with the middle ring pipe 21 through a second connecting pipe 29.

[0025] The outer ring pipe 20 is communicated with an external gas inlet pipe 17, and the gas inlet pipe 17 is provided with a gas inlet valve 18; and the gas inlet pipe 17 is used for providing gas for the gas distribution structure 14.

[0026] Embodiment 2

[0027] As Figure 1 The biological trickling deodorization tower further comprises a waste gas inlet pipe 15, and the waste gas inlet pipe 15 is provided with a waste gas valve 16.

[0028] The bottom of the tower body 1 is provided with a circulating water tank 19, and an above of the circulating water tank 19 is provided with a plug valve 30; the plug valve 30 effectively prevents the water for cleaning the viscous biological membrane from flowing into the circulating water tank 19.

[0029] The gas distribution structure 14 is arranged, so that the range of the generated bubbles is larger, and the gas is distributed more uniformly; and the fan page structure 11 is arranged, and the rotation under the action of water changes the direction of the bubbles, so that the range of the bubbles is larger, and the cleaning is more clean and efficient.

[0030] The technical scheme of the present application is described above in combination with the specific embodiments, but it should be noted that the above description is only for explaining the scheme of the present application, and cannot be explained as the specific limitation of the protection scope of the present application in any way. Based on the explanation herein, the other specific embodiments or equivalent substitutions of the present application that can be thought of by the person skilled in the art without any creative labor will fall into the protection scope of the present application.

Claims

1. A backwash device for a biological trickling deodorization tower, characterized in that, The application relates to a biological trickling filter deodorization tower, which comprises a tower body (1), a water backwashing assembly and a gas backwashing assembly, the water backwashing assembly is communicated with the tower body (1), the tower body (1) internally comprises a filler cavity (9) for placing biological filler, the bottom of the filler cavity (9) is provided with a bottom net plate (10), the gas backwashing assembly comprises a gas distribution structure (14), the gas distribution structure (14) is arranged below the bottom net plate (10), the gas distribution structure (14) comprises a communicated outer ring pipe (20) and an inner ring pipe (22), the inner side of the outer ring pipe (20) is provided with a plurality of outer gas outlet holes (23), the outer side of the inner ring pipe (22) is provided with a plurality of first outer side gas outlet holes (26), and the inner side of the inner ring pipe (22) is provided with a plurality of first inner side gas outlet holes (27).

2. The backwashing device for a biological trickling deodorization tower according to claim 1, characterized by A fan page structure (11) is arranged between the gas distribution structure (14) and the bottom net plate (10), the fan page structure (11) is arranged on the bottom side wall of the bottom net plate (10), the water backwashing assembly comprises an inner water pipe arranged in the tower body (1), the inner water pipe comprises an inner horizontal water pipe (12) and an inner vertical pipe (13) communicated with the inner horizontal water pipe (12), and the outlet of the inner vertical pipe (13) is located below the fan page structure (11).

3. The backwash apparatus for a biological trickling deodorization tower according to claim 2, characterized by The water backwashing assembly further comprises a water storage pool (2), the water storage pool (2) is communicated with the inner horizontal water pipe (12) through a water inlet pipe (6), a first water inlet valve (7) is arranged on the water inlet pipe (6), water in the water storage pool (2) is sent into the inner horizontal water pipe (12) through a water pump (8), the upper end of the tower body (1) is provided with a water outlet (3), the water outlet (3) is communicated with the water storage pool (2) through a water outlet pipe (4), and a water outlet valve (5) is arranged on the water outlet pipe (4).

4. The backwashing device for a bioscrubber deodorizing tower according to claim 1, characterized by A middle ring pipe (21) is further arranged between the outer ring pipe (20) and the inner ring pipe (22), the middle ring pipe (21) comprises a plurality of second outer side gas outlet holes (24) located on the outer side and a plurality of second inner side gas outlet holes (25) located on the inner side, the inner ring pipe (22) and the middle ring pipe (21) are communicated through a first connecting pipe (28), and the outer ring pipe (20) and the middle ring pipe (21) are communicated through a second connecting pipe (29).

5. The backwash apparatus for a biological trickling deodorization tower according to claim 4, characterized by The outer ring pipe (20) is communicated with an external air inlet pipe (17), and an air inlet valve (18) is arranged on the air inlet pipe (17).

6. A trickling biofilter deodorization tower comprising the backwashing device according to any one of claims 1 to 5, characterized in that, The biological trickling filter deodorization tower further comprises a waste gas inlet pipe (15), and a waste gas valve (16) is arranged on the waste gas inlet pipe (15).

7. The biological trickling deodorization tower according to claim 6, characterized in that, The bottom of the tower body (1) is provided with a circulating water tank (19), and a plug valve (30) is arranged above the circulating water tank (19).

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