Biological filter tank structure

Abstract

The utility model discloses a biological filter tank structure which comprises a biological filter tank body, an air inlet through hole is formed in the upper portion of a right side plate of the biological filter tank body, a net-shaped horizontal frame is installed in the lower portion of the biological filter tank body, and the side wall of the net-shaped horizontal frame is fixed to the lower portion of the inner side wall of the biological filter tank body. A vertical partition plate is fixed on the bottom surface of the top plate of the biological filter tank main body close to one side of the air inlet through hole, the front and rear wall surfaces of the vertical partition plate are fixed on the inner side walls of the front and rear wall plates of the biological filter tank main body, and the bottom of the vertical partition plate is close to the top surface of the net-shaped horizontal frame; the device can realize different times of filtration according to different exhaust gases as required, meets the use of the exhaust gases containing harmful substances with different contents, and has a good use effect.

Description

Technical field:

[0001] The utility model relates to the technical field of environmental protection equipment, and more specifically to a biological filter tank structure. Background technology:

[0002] The biological filter tank allows waste gas to enter the tank body, and then the waste gas is discharged from the air outlet hole on the top after fermentation treatment by the microorganisms installed inside.

[0003] When in use, the waste gas in the existing biological filter box is discharged after only one treatment. For some waste gases with more harmful substances, the effect of a single filtration is limited and needs to be repeated several times, but the existing biological filter box cannot meet such treatment needs. Utility model content:

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a biological filter tank structure, which can filter different times according to different waste gases as needed, meet the use of waste gases containing different contents of harmful substances, and has good use effect.

[0005] The solution of the utility model to solve the technical problem is:

[0006] A biofilter tank box structure, comprising a biofilter tank box body, an air intake hole is formed on the upper part of the right side plate of the biofilter tank box body, a mesh horizontal frame is installed in the lower part of the biofilter tank box body, the side wall of the mesh horizontal frame is fixed to the lower part of the inner side wall of the biofilter tank box body, a vertical partition plate is fixed to the bottom surface of the top plate of the biofilter tank box body on the side close to the air intake hole, the front and rear wall surfaces of the vertical partition plate are fixed to the inner side walls of the front and rear wall plates of the biofilter tank box body, and the bottom of the vertical partition plate is close to the top surface of the mesh horizontal frame;

[0007] The middle part of the top plate of the biological filter tank box body is formed with two upper air outlet holes, the lower part of the left side plate of the biological filter tank box body is formed with a reflux hole, the outer box body is fixed on the lower outer wall of the left side plate of the biological filter tank box body, the middle part of the outer box body is fixed with a partition plate, the bottom surface of the partition plate is fixed on the top surface of the bottom plate of the outer box body, the left and right sides of the partition plate are fixed on the left and right inner walls of the outer box body, the middle part of the top surface of the partition plate is formed with a middle through groove extending downward, and the filter plate is installed on the partition plate The top plate of the outer box body at the rear of the partition plate is formed with a reflux feed through hole, the top plate of the outer box body at the front of the partition plate is formed with an upper placement through groove, the upper placement through groove is communicated with the outer box body at the front of the partition plate, the cover plate is installed in the upper placement through groove and covers the upper placement through groove, the upper part of the left side plate of the biological filter tank body is formed with an upper reflux flow hole, the connecting pipe connects the reflux feed through hole with the upper reflux flow hole, and the reflux flow hole is communicated with the outer box body at the front of the partition plate.

[0008] The filter plate is formed with a plurality of filter through holes, and slots are formed on the left and right sides of the middle through groove of the partition plate and on one side wall of the partition plate at the bottom, and the edge and bottom edge of the filter plate are inserted into the corresponding slots.

[0009] The connecting pipe includes an upper connecting pipe and a lower connecting pipe. The lower part of the upper connecting pipe is connected to the air inlet of the driving fan, the upper part of the lower connecting pipe is connected to the air outlet of the driving fan, the top end of the upper connecting pipe is connected to the upper recirculation hole, and the lower part of the lower connecting pipe is connected to the outer box body behind the partition plate.

[0010] The outstanding effects of the utility model are:

[0011] It can filter different times according to different exhaust gases as needed, meet the use of exhaust gases containing different contents of harmful substances, and has good use effect. Description of the drawings:

[0012] Figure 1 It is a partial cross-sectional view of the utility model (without connecting pipes and other components);

[0013] Figure 2 yes Figure 1 Schematic diagram of the local structure of the angle change (connecting pipes and other components are not connected);

[0014] Figure 3 It is a partial cross-sectional view of the utility model;

[0015] Figure 4 It is a partial cross-sectional view of the outer box body of the utility model;

[0016] Figure 5 yes Figure 3 A partial enlarged view of

[0017] Figure 6 yes Figure 3 A partial enlarged view of another part. Specific implementation method:

[0018] For example, see Figures 1 to 6 As shown, a biofilter box structure includes a biofilter box body 10, an air intake hole 11 is formed on the upper part of the right side plate of the biofilter box body 10, a mesh horizontal frame 20 is installed in the lower part of the biofilter box body 10, the side wall of the mesh horizontal frame 20 is fixed to the lower part of the inner wall of the biofilter box body 10, a vertical partition plate 12 is fixed to the bottom surface of the top plate of the biofilter box body 10 on the side close to the air intake hole 11, the front and rear wall surfaces of the vertical partition plate 12 are fixed on the inner wall of the front and rear wall plates of the biofilter box body 10, and the bottom of the vertical partition plate 12 is close to the top surface of the mesh horizontal frame 20; a horizontal filter mesh plate is fixed between the lower part of the vertical partition plate 12 and the right side plate of the biofilter box body 10.

[0019] Two upper air outlet holes 13 are formed in the middle of the top plate of the biological filter tank body 10. The upper air outlet holes 13 are connected to the exhaust pipe through a connecting pipe, which can discharge the waste gas treated by microorganisms upward from the upper air outlet holes 13 and discharged along the exhaust pipe.

[0020] The lower part of the left side plate of the biological filter tank body 10 is formed with a reflux hole 14, the outer box body 30 is fixed on the lower outer side wall of the left side plate of the biological filter tank body 10, and the middle part of the outer box body 30 is fixed with a partition plate 31, the bottom surface of the partition plate 31 is fixed to the top surface of the bottom plate of the outer box body 30, and the left and right sides of the partition plate 31 are fixed to the left and right inner side walls of the outer box body 30. The middle part of the top surface of the partition plate 31 is formed with a middle through groove extending downward, and the filter plate 32 is installed on the partition plate 31 and covers the middle through groove. A reflux feed through hole 33 is formed on the top plate of the box body 30, an upper placement groove 34 is formed on the top plate of the outer box body 30 in front of the partition plate 31, the upper placement groove 34 is communicated with the outer box body 30 at the front of the partition plate 31, the cover plate 35 is installed in the upper placement groove 34 and covers the upper placement groove 34, an upper reflux flow hole 15 is formed on the upper part of the left side plate of the biological filter box body 10, the connecting pipe 40 connects the reflux feed through hole 33 with the upper reflux flow hole 15, and the reflux flow hole 14 is communicated with the outer box body 30 in front of the partition plate 31.

[0021] Furthermore, a plurality of filter through holes are formed on the filter plate 32, and slots are formed on one side wall of the partition plate 31 at the left and right sides of the central through groove of the partition plate 31, the edges of the filter plate 32 are inserted into the corresponding slots, and the bottom surface of the filter plate 32 is pressed against the top surface of the bottom plate of the outer box body 30.

[0022] Furthermore, the connecting pipe 40 includes an upper connecting pipe and a lower connecting pipe, the lower portion of the upper connecting pipe is connected to the air inlet of the driving fan 41, the upper portion of the lower connecting pipe is connected to the air outlet of the driving fan 41, the top end of the upper connecting pipe is connected to the upper reflux hole 15, and the lower portion of the lower connecting pipe is connected to the outer box body 30 behind the partition plate 31. A connecting seat is fixed to the side wall of the driving fan 41, and the connecting seat is fixed to the left side wall of the left side plate of the biological filter tank body 10.

[0023] Furthermore, a control valve body 50 is connected between the upper end of the upper connecting pipe and a connecting sleeve body 16 fixed on the outer side wall of the left side plate of the biofilter tank body 10 at the upper recirculation hole 15 .

[0024] Furthermore, the control valve body 50 includes a connecting sleeve body 51, one end of the connecting sleeve body 51 is connected to the upper end of the upper connecting pipe, and the other end of the connecting sleeve body 51 is connected to one end of the connecting sleeve body 16;

[0025] A first connecting plate 52 and a second connecting plate 53 are fixed to the middle part of the connecting sleeve body 51, and the outer side walls of the first connecting plate 52 and the second connecting plate 53 are welded and fixed to the inner side wall of the connecting sleeve body 51. The second connecting plate 53 is located on the right side of the first connecting plate 52, and a middle through hole 54 is formed in the middle part of the second connecting plate 53. A conical sleeve body 55 is welded and fixed on the inner side of the middle through hole 54. A compression spring 56 is fixed to the middle part of the right side wall of the first connecting plate 52, and a movable plate 57 is fixed to the right end of the compression spring 56. A conical elastic block 58 is fixed to the middle part of the right side of the movable plate 57, and the outer side wall of the right end of the conical elastic block 58 is tightly attached to the inner side wall of the conical sleeve body 55, and the right end of the conical elastic block 58 covers the middle through hole of the conical sleeve body 55. A plurality of edge through holes 521 are formed on the edge of the first connecting plate 52.

[0026] Furthermore, a plurality of transverse guide rods 59 are provided between the first connecting plate 52 and the second connecting plate 53, and both ends of the transverse guide rods 59 are fixed on the relative wall surfaces of the first connecting plate 52 and the second connecting plate 53. The edge of the movable plate 57 is formed with a plurality of transverse through holes, and the transverse guide rods 59 are inserted into the corresponding transverse through holes.

[0027] When the present embodiment is in use, the exhaust gas enters from the air inlet hole 11, is blocked by the vertical partition plate 12, and flows downward, and flows downward after being filtered by the horizontal filter screen plate, and a microbial filter material (not shown in the drawings) is installed in the biofilter tank body 10 at the left side wall of the vertical partition plate 12, and its bottom surface is pressed against the top surface of the mesh horizontal frame 20 (which is welded and fixed by a plurality of transverse bars and longitudinal bars to form a mesh), and the exhaust gas is filtered by the microbial filter material from below the microbial filter material, and then discharged from the upper air outlet hole 13 above;

[0028] When the exhaust gas to be filtered needs to be filtered multiple times, the valve at the exhaust pipe is closed first. After filtering, the exhaust gas will flow out from the upper recirculation hole 15, pushing the conical elastic block 58 to the left to compress the compression spring 56. At the same time, by driving the fan 41 to operate, the gas enters the outer box body 30, and after being filtered through the through holes on the filter plate 32, it flows back to the biological filter box body 10 for a second time. After a certain period of time, the valve at the exhaust pipe is opened, and the driving fan 41 stops running to discharge the gas. At this time, some gas will be in the connecting pipe 40, which will not affect normal use. It can be discharged later when the driving fan 41 is turned on.

[0029] The above implementation modes are only used to illustrate the present invention, but not to limit the present invention. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The scope of patent protection of the present invention should be limited by the claims.

Claims

1. A biofilter tank structure, comprising a biofilter tank body (10), characterized in that: An air intake hole (11) is formed on the upper part of the right side plate of the biofilter tank box body (10), a mesh horizontal frame (20) is installed in the lower part of the biofilter tank box body (10), the side wall of the mesh horizontal frame (20) is fixed to the lower part of the inner wall of the biofilter tank box body (10), a vertical partition plate (12) is fixed to the bottom surface of the top plate of the biofilter tank box body (10) on the side close to the air intake hole (11), the front and rear wall surfaces of the vertical partition plate (12) are fixed to the inner side walls of the front and rear wall plates of the biofilter tank box body (10), and the bottom of the vertical partition plate (12) is close to the top surface of the mesh horizontal frame (20); Two upper air outlet holes (13) are formed in the middle of the top plate of the biological filter tank box body (10), and a reflux hole (14) is formed in the lower part of the left side plate of the biological filter tank box body (10). An outer box body (30) is fixed on the lower outer side wall of the left side plate of the biological filter tank box body (10), and a partition plate (31) is fixed in the middle of the outer box body (30). The bottom surface of the partition plate (31) is fixed to the top surface of the bottom plate of the outer box body (30), and the left and right sides of the partition plate (31) are fixed to the left and right inner side walls of the outer box body (30). A middle through groove extending downward is formed in the middle of the top surface of the partition plate (31), and the filter plate (32) is installed on the partition plate (31) and covers the middle through groove. A reflux feed through hole (33) is formed on the top plate of the outer box body (30) at the rear of the partition (31), an upper placement through groove (34) is formed on the top plate of the outer box body (30) at the front of the partition (31), the upper placement through groove (34) is communicated with the outer box body (30) at the front of the partition (31), a cover plate (35) is installed in the upper placement through groove (34) and covers the upper placement through groove (34), an upper reflux flow hole (15) is formed on the upper part of the left side plate of the biological filter tank body (10), a connecting pipe (40) connects the reflux feed through hole (33) with the upper reflux flow hole (15), and the reflux flow hole (14) is communicated with the outer box body (30) at the front of the partition (31).

2. A biofilter tank structure according to claim 1, characterized in that: The filter plate (32) is formed with a plurality of filter through holes, and slots are formed on the left and right sides of the middle through groove of the partition plate (31) and on one side wall of the partition plate (31) at the bottom, and the edge and bottom edge of the filter plate (32) are inserted into the corresponding slots.

3. A biofilter tank structure according to claim 1, characterized in that: The connecting pipe (40) comprises an upper connecting pipe and a lower connecting pipe, the lower portion of the upper connecting pipe is connected to the air inlet of the driving fan (41), the upper portion of the lower connecting pipe is connected to the air outlet of the driving fan (41), the top end of the upper connecting pipe is connected to the upper recirculation hole (15), and the lower portion of the lower connecting pipe is connected to the outer box body (30) behind the partition plate (31).

4. A biofilter tank structure according to claim 3, characterized in that: A control valve body (50) is connected between the upper end of the upper connecting pipe and a connecting sleeve (16) fixed on the outer side wall of the left side plate of the biofilter tank body (10) at the upper recirculation hole (15).

5. A biofilter tank structure according to claim 4, characterized in that: The control valve body (50) comprises a connecting sleeve body (51), one end of the connecting sleeve body (51) is connected to the upper end of the upper connecting pipe, and the other end of the connecting sleeve body (51) is connected to one end of the connecting sleeve body (16); A first connecting plate (52) and a second connecting plate (53) are fixed in the middle of the connecting sleeve body (51); the outer side walls of the first connecting plate (52) and the second connecting plate (53) are welded and fixed to the inner side wall of the connecting sleeve body (51); the second connecting plate (53) is located on the right side of the first connecting plate (52); a middle through hole (54) is formed in the middle of the second connecting plate (53); a conical sleeve body (55) is welded and fixed on the inner side of the middle through hole (54); A compression spring (56) is fixed to the middle of the right side wall of the connecting plate (52), a movable plate (57) is fixed to the right end of the compression spring (56), a conical elastic block (58) is fixed to the middle of the right side of the movable plate (57), the outer wall of the right end of the conical elastic block (58) is tightly attached to the inner wall of the conical sleeve (55), the right end of the conical elastic block (58) covers the middle through hole of the conical sleeve (55), and a plurality of edge through holes (521) are formed on the edge of the first connecting plate (52).

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