Device for treating odor with different concentrations by using intelligent combined biological process

Abstract

The utility model provides a device for treating stink with different concentrations by an intelligent combined biological process, which relates to the field of stink treatment and comprises a stink inlet pipe, an automatic control system, a gas concentration online detector, a bio-trickling filter and a biological filter. A first gas pipe is connected between the odor inlet pipe and the biological trickling filter, a second gas pipe is arranged between the odor inlet pipe and the biological filter, and a gas concentration online detector for detecting the odor concentration is arranged on the odor inlet pipe; according to the utility model, the gas concentration is detected through the odor concentration online detector, low-concentration odor and medium-concentration odor are respectively fed into the biological filter or the biological trickling filter through the automatic control system to be treated and discharged, and when high-concentration odor is treated, the combined series process system is started by the system; the gas is firstly treated by the bio-trickling filter, and then the treated gas is sent into the biological filter for deep treatment and emission.

Description

Technical Field

[0001] The utility model relates to the technical field of odor treatment, in particular to a device for treating odors of different concentrations by using an intelligent combined biological process. Background Art

[0002] With the improvement of my country's urbanization level, odor control has become an important environmental protection investment project in my country's environmental protection field. Due to the high volatility and irritation of malodorous gases, they may have adverse effects on the respiratory system, nervous system and spirit of people, and even high concentrations of malodorous gases may cause acute poisoning and death. Therefore, the treatment of malodorous gases has great social significance; biological deodorization mainly transforms odorous substances through the physiological metabolism of microorganisms, so that the target pollutants are effectively decomposed and removed to achieve the purpose of odor control; the technology of this application provides an intelligent combined biological process for treating odors of different concentrations to solve the problems of difficult odor treatment, low digestion efficiency and high treatment cost. Utility Model Content

[0003] In view of the above problems, the utility model proposes an intelligent combined biological process for treating odors of different concentrations. The intelligent combined biological process for treating odors of different concentrations detects the gas concentration through the odor concentration online detector, and sends the low and medium concentration odors into the biofilter or the biotrickling filter tower for treatment and discharge through the automatic control system. When treating high-concentration odor, the system starts the combined series process system, so that the gas is first treated by the biotrickling filter tower and then the treated gas is sent to the biofilter for deep treatment and discharge, so as to ensure that the gas meets the emission standards. At the same time, the gas is graded for treatment, which greatly reduces energy consumption and cost.

[0004] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: an intelligent combined biological process for treating odors of different concentrations, comprising an odor inlet pipe, an automatic control system, an online gas concentration detector, a bio-trickling filter and a bio-filter, wherein the bio-trickling filter and the bio-filter are connected in series through a gas pipeline, a first air pipe is connected between the odor inlet pipe and the bio-trickling filter, a second air pipe is provided between the odor inlet pipe and the bio-filter, and an online gas concentration detector for detecting the odor concentration is provided on the odor inlet pipe. The first air pipe and the second air pipe are both provided with a first solenoid valve, the gas pipeline is connected with the second air pipe, and a check valve is provided at one end of the gas pipeline connected with the second air pipe. The first solenoid valve and the online odor concentration detector are both connected with an automatic control system. The automatic control system classifies the odor through the online odor concentration detector and then controls the first solenoid valve to send the odor into the biological trickling filter or the biological filter tank according to the classification result. The biological trickling filter tower and the biological filter tank are also provided with a supply pipeline, and a biological filler layer is provided in the biological trickling filter tower.

[0005] A further improvement is that the supply pipeline includes a supply main pipe, a first supply branch pipe, a second supply branch pipe, a trickling water tank, a filter pool circulating water tank, a spray assembly and a trickling filter assembly; the supply main pipe is connected to the trickling water tank and the filter pool circulating water tank respectively through the first supply branch pipe and the second supply branch pipe; a trickling filter assembly is provided at the upper end of the biological trickling filter tower, and the trickling filter assembly is connected to the trickling water tank through the trickling filter tower circulating pipeline; a spray assembly is provided on the biological filter pool, and the spray assembly is connected to the filter pool circulating water tank through the filter pool circulating pipeline; a reflux pipe is also provided between the trickling water tank and the biological trickling filter tower and between the filter pool circulating water tank and the biological filter pool.

[0006] A further improvement is that a second solenoid valve is also provided on the first supply branch pipe and the second supply branch pipe, liquid level sensors are provided in the drip water tank and the filter pool circulating water tank, a water pump is provided on one side of the drip water tank and the filter pool circulating water tank, the second solenoid valve, the liquid level sensor and the water pump are all connected to the automatic control system, and the automatic control system monitors the liquid level of the drip water tank and the filter pool circulating water tank through the liquid level sensor and replenishes liquid by controlling the second solenoid valve.

[0007] A further improvement is that the biological filler layer includes a filler disk, activated carbon filling holes and a biological attachment seat, the filler disk is stacked on the inner wall of the upper end of the biological trickling filter tower, and multiple groups of activated carbon filling holes are distributed in a circular array on the filler disk, and biological attachment seats are provided on the outer sides and center positions of the multiple groups of activated carbon filling holes.

[0008] A further improvement is that the biological attachment seat includes a first outer ring, a first inner ring and a first connecting rod, the first outer ring and the first inner ring are distributed up and down on the same central axis, a plurality of groups of first connecting rods are distributed in a circular array between the first inner ring and the first outer ring, and a first filter is provided on the arc surface enclosed by the plurality of groups of first connecting rods and the first inner ring and the first outer ring.

[0009] Further improvements are: a second inner ring is provided on the inner side of the first outer ring, a second outer ring is provided on the outer side of the first inner ring, a plurality of groups of second connecting rods are distributed in a circular array between the second inner ring and the second outer ring, a second filter screen is provided on the arc surface formed by the plurality of groups of second connecting rods and the second inner ring and the second outer ring, and there are cross openings between the plurality of groups of second filter screens and the first filter screens and they are adapted to each other.

[0010] Further improvements are: multiple groups of support rods are connected between the first outer ring and the second inner ring, and between the second outer ring and the first inner ring, the arc surface formed by the multiple groups of support rods and the first inner ring, the first outer ring, the second inner ring, and the second outer ring is filled with a third filter, and the first inner ring and the second inner ring are provided with a fourth filter.

[0011] The beneficial effects of the utility model are as follows: the utility model detects the gas concentration through the online odor concentration detector, and sends the low and medium concentration odors into the biofilter or the biotrickling filter tower for treatment and discharge through the automatic control system. When treating high-concentration odor, the system starts the combined series process system, so that the gas is first treated by the biotrickling filter tower and then the treated gas is sent to the biofilter for deep treatment and discharge, so as to ensure that the gas meets the discharge standards. At the same time, the gas is graded for treatment, which greatly reduces energy consumption and cost. At the same time, the automatic control greatly increases the practicality of the device. At the same time, the device forms a three-dimensional biological habitat community through the design of the biological attachment seat, thereby greatly increasing the device's odor treatment capacity and treatment rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a flow chart of the utility model.

[0013] Figure 2 It is a schematic diagram of the biological filler layer of the utility model.

[0014] Figure 3 It is a schematic diagram of the biological attachment seat of the utility model.

[0015] Figure 4 It is a partial distribution diagram of the first filter screen, the second filter screen, the third filter screen and the fourth filter screen of the utility model.

[0016] Among them: 1. Odor inlet pipe; 2. Automatic control system; 3. Gas concentration online detector; 4. Bio-trickling filter tower; 5. Bio-filter tank; 6. Gas pipeline; 7. First air pipe; 8. Second air pipe; 9. First solenoid valve; 10. Check valve; 11. Supply main pipe; 12. First supply branch pipe; 13. Second supply branch pipe; 14. Trickling filter water tank; 15. Filter tank circulation water tank; 16. Spray assembly; 17. Trickling filter assembly; 18. Trickling filter tower circulation pipeline; 1 9. Filter tank circulation pipeline; 20. Reflux pipe; 21. Second solenoid valve; 22. Liquid level sensor; 23. Water pump; 24. Filling plate; 25. Activated carbon filling hole; 26. Biological attachment seat; 27. First outer ring; 28. First inner ring; 29. ​​First connecting rod; 30. First filter screen; 31. Second inner ring; 32. Second outer ring; 33. Second connecting rod; 34. Second filter screen; 35. Support rod; 36. Third filter screen; 37. Fourth filter screen. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0018] according to Figure 1-4 As shown, this embodiment proposes an intelligent combined biological process for treating odors of different concentrations, including an odor inlet pipe 1, an automatic control system 2, a gas concentration online detector 3, a bio-trickling filter 4 and a bio-filter 5, wherein the bio-trickling filter 4 and the bio-filter 5 are connected in series through a gas pipeline 6, a first air pipe 7 is connected between the odor inlet pipe 1 and the bio-trickling filter 4, a second air pipe 8 is provided between the odor inlet pipe 1 and the bio-filter 5, an online gas concentration detector 3 for detecting the odor concentration is provided on the odor inlet pipe 1, and the first air pipe 7 and The second air pipe 8 is provided with a first solenoid valve 9, the gas pipeline 6 is connected with the second air pipe 8, and a check valve 10 is provided at one end of the gas pipeline 6 connected with the second air pipe 8. The first solenoid valve 9 and the online odor concentration detector are both connected with the automatic control system 2. The automatic control system 2 classifies the odor through the online odor concentration detector and then controls the first solenoid valve 9 to send the odor into the biotrickling filter 4 or the biofilter 5 according to the classification result. The biotrickling filter 4 and the biofilter 5 are also provided with a supply pipeline, and a biological filler layer is provided in the biotrickling filter 4.

[0019] When the odor concentration online detector detects that the intake air concentration is low, the system automatically controls the opening and closing of the two groups of first solenoid valves 9 to send the odor into the biofilter 5 for treatment and discharge. When the odor concentration online detector detects that the intake air concentration is medium, the system adjusts accordingly and automatically sends the odor into the biotrickling filter 4 for treatment and discharge. When the intake air concentration is high, the system starts the combined series process system to make the gas pass through the biotrickling filter 4 for treatment first and then send the treated gas into the biofilter 5 for deep treatment and discharge, so as to ensure that the gas meets the emission standards. At the same time, the gas is graded for treatment, which greatly reduces energy consumption and cost. At the same time, the automatic control greatly increases the practicality of the device.

[0020] The replenishment pipeline includes a replenishment main pipe 11, a first replenishment branch pipe 12, a second replenishment branch pipe 13, a trickling water tank 14, a filter pool circulating water tank 15, a spray assembly 16 and a trickling filter assembly 17. The replenishment main pipe 11 is connected to the trickling water tank 14 and the filter pool circulating water tank 15 through the first replenishment branch pipe 12 and the second replenishment branch pipe 13 respectively. A trickling filter assembly 17 is provided at the upper end of the biological trickling filter tower 4. The trickling filter assembly 17 is connected to the trickling water tank 14 through a trickling filter tower circulating pipeline 18. A spray assembly 16 is provided on the biological filter pool 5. The spray assembly 16 is connected to the filter pool circulating water tank 15 through a filter pool circulating pipeline 19. A reflux pipe 20 is also provided between the trickling water tank 14 and the biological trickling filter tower 4 and between the filter pool circulating water tank 15 and the biological filter pool 5.

[0021] The biological trickling filter 4 adopts a trickling filtration method to reduce water vapor entrainment, and the design of the return pipe 20 can recycle the nutrient solution, further reducing the processing cost.

[0022] A second solenoid valve 21 is also provided on the first supply branch pipe 12 and the second supply branch pipe 13. A liquid level sensor 22 is provided in the dripping water tank 14 and the filter circulating water tank 15. A water pump 23 is provided on one side of the dripping water tank 14 and the filter circulating water tank 15. The second solenoid valve 21, the liquid level sensor 22 and the water pump 23 are all connected to the automatic control system 2. The automatic control system 2 monitors the liquid level of the dripping water tank 14 and the filter circulating water tank 15 through the liquid level sensor 22 and replenishes the liquid by controlling the second solenoid valve 21.

[0023] The liquid levels in the trickling water tank 14 and the filter circulating water tank 15 are detected by the liquid level sensor 22. When the liquid level is lower than the warning value, the automatic control system 2 adds liquid to the trickling water tank 14 and the filter circulating water tank 15 respectively through the supply main pipe 11 and the control of the second solenoid valve 21. At the same time, when performing the processing work, the automatic control system 2 controls the start and stop of the water pump 23 and cooperates with the gas concentration online detector 3 to control the working status of the biological trickling tower 4 and the biological filter 5.

[0024] The biological filler layer includes a filler disk 24, an activated carbon filling hole 25 and a biological attachment seat 26. The filler disk 24 is stacked on the inner wall of the upper end of the biological trickling filter 4. A plurality of groups of activated carbon filling holes 25 are distributed in a ring array on the filler disk 24. Biological attachment seats 26 are arranged on the outer sides and the center positions of the plurality of groups of activated carbon filling holes 25. Gas is adsorbed through the plurality of groups of activated carbon filling holes 25, and at the same time, the plurality of groups of biological attachment seats 26 are used for the habitat of biological colonies, which is beneficial to the treatment of gas.

[0025] The biological attachment seat 26 includes a first outer ring 27, a first inner ring 28 and a first connecting rod 29. The first outer ring 27 and the first inner ring 28 are distributed up and down on the same central axis. A plurality of groups of first connecting rods 29 are distributed in a circular array between the first inner ring 28 and the first outer ring 27. A first filter 30 is provided on the arc surface enclosed by the plurality of groups of first connecting rods 29, the first inner ring 28 and the first outer ring 27.

[0026] The device forms a truncated cone-shaped hollow structure between the first outer ring 27, the first inner ring 28 and the first connecting rod 29, and at the same time, a first filter screen 30 is arranged around the outer side of the structure, thereby increasing the habitat area of ​​the biological colony and further improving the gas treatment effect.

[0027] A second inner ring 31 is provided on the inner side of the first outer ring 27, a second outer ring 32 is provided on the outer side of the first inner ring 28, a plurality of groups of second connecting rods 33 are distributed in a ring array between the second inner ring 31 and the second outer ring 32, a second filter screen 34 is provided on the arc surface enclosed by the plurality of groups of second connecting rods 33 and the second inner ring 31 and the second outer ring 32, and there are cross openings between the plurality of groups of second filter screens 34 and the first filter screen 30 and they are adapted to each other.

[0028] Furthermore, a second inner ring 31 is arranged on the inner side of the first outer ring 27, and a second outer ring 32 is arranged on the outer side of the first inner ring 28. At the same time, a second connecting rod 33 is arranged between the second outer ring 32 and the second inner ring 31, and the first connecting rod 29 and the second connecting rod 33 are arranged alternately, and then the second filter screen 34 and the first filter screen 30 are cross-filmed, thereby further increasing the habitat area of ​​the biological colony, thereby increasing the odor treatment effect of the device.

[0029] A plurality of support rods 35 are connected between the first outer ring 27 and the second inner ring 31 and between the second outer ring 32 and the first inner ring 28. The arc surface formed by the plurality of support rods 35 and the first inner ring 28, the first outer ring 27, the second inner ring 31 and the second outer ring 32 is filled with a third filter 36. A fourth filter 37 is provided on the first inner ring 28 and the second inner ring 31.

[0030] Through the design of the third filter 36 and the fourth filter 37, in cooperation with the first filter 30 and the second filter 34, a three-dimensional biological colony habitat is formed, thereby greatly increasing the odor treatment capacity and treatment rate of the device.

[0031] The intelligent combined biological process is used to treat odors of different concentrations. When the odor concentration online detector detects that the intake air concentration is low, the system automatically controls the opening and closing of the two groups of first solenoid valves 9 to send the odor into the biological filter 5 for treatment and discharge. When the odor concentration online detector detects that the intake air concentration is medium, the system adjusts accordingly and automatically sends the odor into the biological trickling filter 4 for treatment and discharge. When the intake air concentration is high, the system starts the combined series process system, so that the gas is first treated by the biological trickling filter 4 and then the treated gas is sent to the biological filter 5 for deep treatment and discharge, so as to ensure that the gas meets the discharge standards.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An intelligent combined biological process for treating odors of different concentrations, characterized by: The invention comprises an odor inlet pipe (1), an automatic control system (2), an online gas concentration detector (3), a bio-trickling filter (4) and a bio-filter (5), wherein the bio-trickling filter (4) and the bio-filter (5) are connected in series via a gas transmission pipeline (6), a first air pipe (7) is connected between the odor inlet pipe (1) and the bio-trickling filter (4), a second air pipe (8) is provided between the odor inlet pipe (1) and the bio-filter (5), an online gas concentration detector (3) for detecting odor concentration is provided on the odor inlet pipe (1), and a first solenoid valve ( 9), the gas pipeline (6) is connected to the second gas pipeline (8), a check valve (10) is provided at one end of the gas pipeline (6) connected to the second gas pipeline (8), the first solenoid valve (9) and the online odor concentration detector are both connected to the automatic control system (2), the automatic control system (2) classifies the odor through the online odor concentration detector and then controls the first solenoid valve (9) to send the odor into the biotrickling filter (4) or the biofilter (5) according to the classification result, the biotrickling filter (4) and the biofilter (5) are also provided with a supply pipeline, and the biotrickling filter (4) is provided with a biological filler layer.

2. The device for treating odors of different concentrations by an intelligent combined biological process according to claim 1 is characterized in that: The replenishment pipeline comprises a replenishment main pipe (11), a first replenishment branch pipe (12), a second replenishment branch pipe (13), a trickling filter tank (14), a filter tank circulating water tank (15), a spray assembly (16) and a trickling filter assembly (17); the replenishment main pipe (11) is connected to the trickling filter tank (14) and the filter tank circulating water tank (15) through the first replenishment branch pipe (12) and the second replenishment branch pipe (13), respectively; the upper end of the biological trickling filter tower (4) is provided with a trickling filter The component (17) is connected to the trickling filter tank (14) through a trickling filter tower circulation pipeline (18); the biological filter tank (5) is provided with a spray component (16); the spray component (16) is connected to the filter tank circulation water tank (15) through a filter tank circulation pipeline (19); and a return pipe (20) is further provided between the trickling filter tank (14) and the biological trickling filter tower (4) and between the filter tank circulation water tank (15) and the biological filter tank (5).

3. The device for treating odors of different concentrations by an intelligent combined biological process according to claim 2 is characterized in that: A second solenoid valve (21) is also provided on the first replenishment branch pipe (12) and the second replenishment branch pipe (13); a liquid level sensor (22) is provided in the dripping water tank (14) and the filter pool circulating water tank (15); a water pump (23) is provided on one side of the dripping water tank (14) and the filter pool circulating water tank (15); the second solenoid valve (21), the liquid level sensor (22) and the water pump (23) are all connected to the automatic control system (2); the automatic control system (2) monitors the liquid levels of the dripping water tank (14) and the filter pool circulating water tank (15) through the liquid level sensor (22) and replenishes the liquid by controlling the second solenoid valve (21).

4. The device for treating odors of different concentrations by an intelligent combined biological process according to claim 1 is characterized in that: The biological filler layer comprises a filler disc (24), activated carbon filling holes (25) and a biological attachment seat (26); the filler disc (24) is stacked on the inner wall of the upper end of the biological trickling filter (4); a plurality of groups of activated carbon filling holes (25) are distributed in a circular array on the filler disc (24); and biological attachment seats (26) are provided on the outer sides and at the center of the plurality of groups of activated carbon filling holes (25).

5. The device for treating odors of different concentrations by an intelligent combined biological process according to claim 4 is characterized in that: The biological attachment seat (26) comprises a first outer ring (27), a first inner ring (28) and a first connecting rod (29); the first outer ring (27) and the first inner ring (28) are arranged vertically on the same central axis; a plurality of groups of first connecting rods (29) are arranged in a ring array between the first inner ring (28) and the first outer ring (27); and a first filter screen (30) is provided on the arc surface enclosed by the plurality of groups of first connecting rods (29), the first inner ring (28) and the first outer ring (27).

6. The device for treating odors of different concentrations by an intelligent combined biological process according to claim 5 is characterized in that: A second inner ring (31) is provided on the inner side of the first outer ring (27), a second outer ring (32) is provided on the outer side of the first inner ring (28), a plurality of groups of second connecting rods (33) are distributed in a ring array between the second inner ring (31) and the second outer ring (32), a second filter screen (34) is provided on the arc surface formed between the plurality of groups of the second connecting rods (33) and the second inner ring (31) and the second outer ring (32), and a cross opening exists between the plurality of groups of the second filter screens (34) and the first filter screens (30) and they are adapted to each other.

7. The device for treating odors of different concentrations by an intelligent combined biological process according to claim 6 is characterized in that: A plurality of groups of support rods (35) are connected between the first outer ring (27) and the second inner ring (31), and between the second outer ring (32) and the first inner ring (28); a third filter screen (36) is filled on the arc surface formed between the plurality of groups of support rods (35) and the first inner ring (28), the first outer ring (27), the second inner ring (31), and the second outer ring (32); and a fourth filter screen (37) is provided on the first inner ring (28) and the second inner ring (31).

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