Sewage treatment device for environmental engineering

Abstract

The utility model discloses a sewage treatment device for environmental engineering, which comprises a bottom plate, a treatment box is fixedly mounted at the top of the bottom plate, a first filter screen, a second filter screen and a third filter screen are arranged on one side of the inner wall of the treatment box from top to bottom, and clamping seats are clamped on two sides of the first filter screen, two sides of the second filter screen and two sides of the third filter screen. The top of the treatment box is provided with a top cover plate, the top end of the top cover plate is provided with a shell cover, the bottom of the shell cover extends into the treatment box, the top of the shell cover is connected with a fixed box, the bottom of the inner wall of the shell cover is provided with an activated carbon filter screen, and the middle of the inner wall of the shell cover is provided with an activated carbon screen frame; according to the sewage treatment device for the environmental engineering, disclosed by the utility model, odor emitted by sewage is adsorbed by the whole device, so that the diffusion of the odor of the sewage in a filtering treatment process is reduced, and the pollution to a working environment is further reduced.

Description

Technical Field

[0001] The utility model relates to the field of environmental engineering, in particular to a sewage treatment device for environmental engineering. Background Art

[0002] Environmental engineering is a branch of environmental science. It mainly studies how to protect and rationally utilize natural resources, use scientific means to solve increasingly serious environmental problems, improve environmental quality, promote environmental protection and social development. It is a science and technology that studies and engages in preventing and controlling environmental pollution and improving environmental quality. Environmental engineering is related to ecology in biology, environmental hygiene and environmental medicine in medicine, as well as environmental physics and environmental chemistry. Environmental engineering China's sewage treatment tasks are often more arduous. In the process of sewage treatment, filtration treatment is an indispensable link. During the use of existing sewage filtration and treatment equipment, sewage will emit some odors, which will spread to the outside and pollute the working environment. Utility Model Content

[0003] The purpose of the utility model is to provide a sewage treatment device for environmental engineering, so as to solve the problem that the sewage treatment task in environmental engineering China proposed in the above background technology is often arduous. In the process of sewage treatment, filtration treatment is an indispensable link. During the use of existing sewage filtration treatment equipment, sewage will emit some odors, and these odors will spread to the outside and cause pollution to the working environment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage treatment device for environmental engineering, comprising a bottom plate, a treatment box is fixedly installed on the top of the bottom plate, the inner wall of the treatment box is provided with a first filter screen, a second filter screen and a third filter screen from top to bottom, both sides of the first filter screen, both sides of the second filter screen and both sides of the third filter screen are clamped with a clamping seat, the clamping seat is connected to the inner wall of the treatment box, a top cover plate is installed on the top of the top cover plate, a shell cover is installed on the top of the shell cover, and the bottom of the shell cover extends to the inside of the treatment box, The top of the shell cover is connected to a fixed box, the bottom of the inner wall of the shell cover is installed with an activated carbon filter, the middle of the inner wall of the shell cover is installed with an activated carbon mesh frame, a negative pressure suction fan is installed inside the fixed box, the input end of the negative pressure suction fan is connected with an intake pipe, one end of the intake pipe is connected with the interior of the shell cover, an activated carbon mesh cylinder is provided inside the intake pipe, the output end of the negative pressure suction fan is connected with an exhaust pipe, the exhaust pipe passes through the fixed box and extends to the outside, a vertical plate is connected to one side of the top of the bottom plate, and a switch panel is installed on the front of the vertical plate.

[0005] Preferably, the negative pressure suction fan is electrically connected to an external power supply through a switch panel, a base frame is connected to the bottom of the negative pressure suction fan, the base frame is connected to the bottom of the inner wall of the fixed box, and the switch panel is used to control the negative pressure suction fan.

[0006] Preferably, the pore size of the first filter is larger than that of the second filter, the pore size of the second filter is larger than that of the third filter, the interior of the activated carbon mesh frame and the interior of the activated carbon mesh cylinder are both filled with activated carbon, and a mesh cover is provided on one side of the activated carbon mesh frame to facilitate the later replacement of the activated carbon inside the activated carbon mesh frame.

[0007] Preferably, a side box is connected to the bottom of one side of the treatment box, a circulating water pump is installed inside the side box, the input end of the circulating water pump is connected to the bottom of the treatment box, the output end of the circulating water pump is connected to a circulating pipe, one end of the circulating pipe is connected to the top of the treatment box, and the circulating water pump is electrically connected to the switch panel.

[0008] Preferably, a transparent window is provided at the bottom of the front side of the treatment box, and a drain valve is installed at the bottom of the treatment box on the side close to the switch panel, and the drain valve is used to discharge the filtered sewage.

[0009] Preferably, a material port is provided at one corner of the top cover plate, and a sewage conduit extending to the interior of the treatment box is provided in the middle of the material port, and the sewage conduit is used to introduce sewage from the outside.

[0010] Preferably, both sides of the shell cover are connected with limiting plates for fixing the shell cover, and the limiting plates are connected to the top of the top cover plate through bolts, so that the limiting plates are convenient for installing and fixing the shell cover.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] During use, sewage enters the treatment box for filtration treatment, and the negative pressure suction fan inside the fixed box is started. The negative pressure suction fan can absorb the air inside the shell cover through the suction pipe, so that negative pressure is generated inside the shell cover, and then the smelly air inside the treatment box will enter the shell cover, and then be continuously drawn away by the negative pressure suction fan. During the air extraction process, the air enters the suction pipe through the activated carbon filter and the activated carbon mesh frame. The activated carbon filter and the activated carbon mesh frame can absorb odors in the air, and are adsorbed and purified again when passing through the activated carbon mesh cylinder inside the suction pipe. The entire device adsorbs the odor emitted by the sewage, reduces the spread of sewage odor during the filtration process, and thus reduces the pollution of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is the internal structure diagram of the processing box of the utility model;

[0015] Figure 3 This is the internal structure diagram of the shell cover of the utility model;

[0016] Figure 4 This is the internal structure diagram of the fixed box of the utility model.

[0017] In the figure: 1. bottom plate; 2. treatment box; 3. top cover plate; 4. shell cover; 5. fixed box; 6. material port; 7. sewage conduit; 8. transparent window; 9. vertical plate; 10. switch panel; 11. drain valve; 12. limit plate; 13. first filter screen; 14. second filter screen; 15. third filter screen; 16. card seat; 17. side box; 18. circulating water pump; 19. circulating pipe; 20. activated carbon filter screen; 21. activated carbon mesh frame; 22. bottom frame; 23. negative pressure suction fan; 24. suction pipe; 25. activated carbon mesh cylinder; 26. discharge pipe; 27. mesh cover. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4The utility model provides a sewage treatment device for environmental engineering, comprising a bottom plate 1, a treatment box 2 is fixedly installed on the top of the bottom plate 1, a first filter screen 13, a second filter screen 14 and a third filter screen 15 are arranged on one side of the inner wall of the treatment box 2 from top to bottom, both sides of the first filter screen 13, both sides of the second filter screen 14 and both sides of the third filter screen 15 are clamped with a clamping seat 16, the clamping seat 16 is connected to the inner wall of the treatment box 2, a top cover plate 3 is installed on the top of the treatment box 2, a shell cover 4 is installed on the top of the top cover plate 3, and the bottom of the shell cover 4 extends to the inside of the treatment box 2, a fixed box 5 is connected to the top of the shell cover 4, and an activated carbon filter is installed at the bottom of the inner wall of the shell cover 4 Net 20, an activated carbon net frame 21 is installed in the middle of the inner wall of the shell cover 4, a negative pressure suction fan 23 is installed inside the fixed box 5, the input end of the negative pressure suction fan 23 is connected with a suction pipe 24, one end of the suction pipe 24 is connected with the inside of the shell cover 4, an activated carbon net cylinder 25 is arranged inside the suction pipe 24, both sides of the shell cover 4 are connected with limit plates 12 for fixing the shell cover 4, the limit plates 12 are connected to the top of the top cover plate 3 by bolts, the output end of the negative pressure suction fan 23 is connected with a discharge pipe 26, the discharge pipe 26 passes through the fixed box 5 and extends to the outside, one side of the top of the bottom plate 1 is connected with a vertical plate 9, and a switch panel 10 is installed on the front of the vertical plate 9;

[0020] In this embodiment, the negative pressure suction fan 23 can absorb the air inside the shell cover 4 through the suction pipe 24, so that negative pressure is generated inside the shell cover 4, and then the air inside the treatment box 2 will enter the shell cover 4, and then be continuously drawn away by the negative pressure suction fan 23. During the air extraction process, the air enters the suction pipe 24 through the activated carbon filter 20 and the activated carbon mesh frame 21. The activated carbon filter 20 and the activated carbon mesh frame 21 can absorb odors and smells in the air, and when passing through the activated carbon mesh cylinder 25 inside the suction pipe 24, it is adsorbed and purified again.

[0021] See also Figure 1-4 A transparent window 8 is provided at the bottom of the front of the treatment box 2, a drain valve 11 is installed at the bottom of the treatment box 2 near the switch panel 10, a material port 6 is provided at one corner of the top cover plate 3, a sewage conduit 7 extending to the inside of the treatment box 2 is provided in the middle of the material port 6, a negative pressure suction fan 23 is electrically connected to an external power supply through the switch panel 10, a bottom of the negative pressure suction fan 23 is connected to a base frame 22, and the base frame 22 is connected to the bottom of the inner wall of the fixed box 5, the aperture of the first filter screen 13 is larger than the aperture of the second filter screen 14, the aperture of the second filter screen 14 is larger than the aperture of the third filter screen 15, the inside of the activated carbon mesh frame 21 and the inside of the activated carbon mesh cylinder 25 are filled with activated carbon, and a mesh cover 27 is provided on one side of the activated carbon mesh frame 21;

[0022] In this embodiment, sewage is introduced into the treatment box 2 through the sewage conduit 7 for filtering treatment. The sewage is triple filtered through the first filter 13, the second filter 14 and the third filter 15 inside the treatment box 2, and the filtered sewage can be led to other treatment processes through the drain valve 11 on one side of the treatment box 2. The sewage conduit 7 is matched with the material port 6.

[0023] See also Figure 1-4 A side box 17 is connected to the bottom of one side of the processing box 2, a circulating water pump 18 is installed inside the side box 17, an input end of the circulating water pump 18 is connected to the bottom of the processing box 2, an output end of the circulating water pump 18 is connected to a circulating pipe 19, one end of the circulating pipe 19 is connected to the top of the processing box 2, and the circulating water pump 18 is electrically connected to the switch panel 10;

[0024] In this embodiment, during the sewage filtration process, the circulating water pump 18 can be started to pump water from the bottom of the inner wall of the treatment box 2 to the top of the treatment box 2 so that the sewage can be filtered again. The circulating filtration can improve the effect of sewage filtration.

[0025] When in use, the utility model is a sewage treatment device for environmental engineering. During use, sewage is introduced into the treatment box 2 through the sewage conduit 7 for filtering treatment. The sewage is triple filtered through the first filter 13, the second filter 14 and the third filter 15 inside the treatment box 2. During the sewage filtering process, the odor of sewage will accumulate above the treatment box 2. The negative pressure suction fan 23 inside the fixed box 5 is started to work. The negative pressure suction fan 23 can absorb the air inside the shell cover 4 through the suction pipe 24, so that the shell cover 4 generates negative pressure, and then the air inside the treatment box 2 will enter the shell cover 4. The inside of the hood 4 is then continuously sucked away by the negative pressure suction fan 23. During the suction process, the air enters the suction pipe 24 through the activated carbon filter 20 and the activated carbon mesh frame 21. The activated carbon filter 20 and the activated carbon mesh frame 21 can absorb the odor in the air. When passing through the activated carbon mesh cylinder 25 inside the suction pipe 24, it is adsorbed and purified again. The activated carbon inside the activated carbon mesh cylinder 25 and the activated carbon mesh frame 21 can improve the adsorption treatment effect on the air, and adsorb the odor emitted by the sewage. The entire device reduces the spread of sewage odor, thereby reducing the pollution of the working environment.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sewage treatment device for environmental engineering, comprising a bottom plate (1), characterized in that: A processing box (2) is fixedly mounted on the top of the bottom plate (1); a first filter screen (13), a second filter screen (14) and a third filter screen (15) are provided on one side of the inner wall of the processing box (2) from top to bottom; both sides of the first filter screen (13), both sides of the second filter screen (14) and both sides of the third filter screen (15) are clamped with a clamping seat (16); the clamping seat (16) is connected to the inner wall of the processing box (2); a top cover plate (3) is mounted on the top of the processing box (2); a shell cover (4) is mounted on the top of the top cover plate (3); the bottom of the shell cover (4) extends into the interior of the processing box (2); the top of the shell cover (4) is connected to a fixed box (5); the inner wall of the shell cover (4) An activated carbon filter (20) is installed at the bottom, an activated carbon mesh frame (21) is installed at the middle of the inner wall of the shell cover (4), a negative pressure suction fan (23) is installed inside the fixed box (5), the input end of the negative pressure suction fan (23) is connected to an intake pipe (24), one end of the intake pipe (24) is connected to the inside of the shell cover (4), an activated carbon mesh cylinder (25) is provided inside the intake pipe (24), the output end of the negative pressure suction fan (23) is connected to an exhaust pipe (26), the exhaust pipe (26) passes through the fixed box (5) and extends to the outside, one side of the top of the bottom plate (1) is connected to a vertical plate (9), and a switch panel (10) is installed on the front of the vertical plate (9).

2. A sewage treatment device for environmental engineering according to claim 1, characterized in that: The negative pressure suction fan (23) is electrically connected to an external power source via a switch panel (10); the bottom of the negative pressure suction fan (23) is connected to a base frame (22); and the base frame (22) is connected to the bottom of the inner wall of the fixed box (5).

3. The sewage treatment device for environmental engineering according to claim 1, characterized in that: The pore size of the first filter screen (13) is larger than the pore size of the second filter screen (14), the pore size of the second filter screen (14) is larger than the pore size of the third filter screen (15), the interior of the activated carbon mesh frame (21) and the interior of the activated carbon mesh cylinder (25) are both filled with activated carbon, and a mesh cover (27) is provided on one side of the activated carbon mesh frame (21).

4. The sewage treatment device for environmental engineering according to claim 1, characterized in that: The bottom of one side of the treatment box (2) is connected to a side box (17), a circulating water pump (18) is installed inside the side box (17), the input end of the circulating water pump (18) is connected to the bottom of the treatment box (2), the output end of the circulating water pump (18) is connected to a circulating pipe (19), one end of the circulating pipe (19) is connected to the top of the treatment box (2), and the circulating water pump (18) is electrically connected to the switch panel (10).

5. The sewage treatment device for environmental engineering according to claim 1, characterized in that: A transparent window (8) is provided at the bottom of the front side of the processing box (2), and a drain valve (11) is installed at the bottom of the processing box (2) on the side close to the switch panel (10).

6. The sewage treatment device for environmental engineering according to claim 1, characterized in that: A material opening (6) is provided at one corner of the top cover plate (3), and a sewage conduit (7) extending to the interior of the treatment box (2) is provided in the middle of the material opening (6).

7. The sewage treatment device for environmental engineering according to claim 1, characterized in that: Both sides of the shell cover (4) are connected to limit plates (12) for fixing the shell cover (4), and the limit plates (12) are connected to the top of the top cover plate (3) via bolts.

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