Low-emission odor concentration treatment equipment

Abstract

The utility model belongs to the technical field of odor treatment, and particularly relates to low-emission odor concentration treatment equipment which comprises a primary spray tower, a water spray mechanism, a water mist spray mechanism and an alkaline water spray mechanism, the two biological deodorization towers are communicated with an ozone oxidation device through a collecting pipe, and the ozone oxidation device is communicated with a secondary spraying tower through a gas conveying pipe; the spraying end of the water spraying mechanism extends into the primary spraying tower; the spraying end of the water mist spraying mechanism extends into the biological deodorization tower, and biological stuffing is arranged on the inner wall of the biological deodorization tower and located below the spraying end of the water mist spraying mechanism; according to the scheme, the odor treatment effect is better, treatment is more thorough, and the deodorization efficiency is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of odor treatment, and in particular relates to low emission odor concentration treatment equipment. Background Art

[0002] In sewage treatment, the odorous substances in sewage and separated sludge are derived from anaerobic biological reactions that consume organic matter, sulfur and nitrogen. Municipal sewage contains enough organic sulfur and inorganic sulfates to cause odor. Odorous chemicals include organic and inorganic molecules. The inorganic gases that make up the odor are mainly hydrogen sulfide and ammonia, while organic gases are a variety of extremely complex odorous substances produced when degrading organic matter, including indole, skatole, mercaptan and amine.

[0003] In order to meet environmental emission standards, the odor generated during sewage treatment needs to be collected and purified. Chemical or biological methods are commonly used. The chemical method is to use chemical agents to react with hydrogen sulfide or ammonia in the odorous gas through spraying and other methods to eliminate it. This is also the most common and widespread method for sewage odor treatment. The spray absorption method is to spray the odor with a liquid treatment agent to settle the water-soluble and large particle components in the odor, so as to achieve the purpose of separating pollutants from clean air. The existing spraying device does not completely absorb the odor, resulting in incomplete removal and low efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a low emission odor concentration treatment device to solve the problem that the existing spray device does not completely absorb the odor, resulting in incomplete removal and low efficiency.

[0005] The technical solution adopted by the utility model is as follows: a low-emission odor concentration treatment device, comprising a primary spray tower and a water spray mechanism, the gas outlet of the primary spray tower is connected with a shunt pipe, the water spray mechanism is arranged outside the primary spray tower, and the spray end of the water spray mechanism penetrates the primary spray tower and extends into the primary spray tower;

[0006] A biological deodorization tower and a water mist spray mechanism, wherein two biological deodorization towers are provided, and two gas outlets of the diverter pipe are provided, which are respectively connected to the gas inlets of the two biological deodorization towers, and the gas outlets of the two biological deodorization towers are connected to a confluence pipe, and two gas inlets are provided on one side of the confluence pipe, which are respectively connected to the gas outlets of the two biological deodorization towers, and an gas outlet is provided on the other side of the confluence pipe; the water mist spray mechanism is provided outside the biological deodorization tower, and the spray end of the water mist spray mechanism penetrates the biological deodorization tower and extends into the biological deodorization tower, and a biological filler is provided below the spray end of the water mist spray mechanism, and one end of the biological filler is connected to the inner wall of the biological deodorization tower;

[0007] An ozone oxidation device, wherein the ozone oxidation device is arranged on one side of the two biological deodorization towers, and the air outlet of the manifold is connected to the air inlet of the ozone oxidation device;

[0008] A secondary spray tower and an alkaline water spray mechanism, wherein the secondary spray tower is arranged on one side of the ozone oxidation device, the air outlet of the ozone oxidation device is connected with an air supply pipe, the air outlet of the air supply pipe is connected with the air inlet of the secondary spray tower, the alkaline water spray mechanism is arranged outside the secondary spray tower, and the spray end of the alkaline water spray mechanism passes through the secondary spray tower and extends into the secondary spray tower.

[0009] Furthermore, the water spray mechanism includes a first water tank, a first water pump, a first spray pipe and a water spray nozzle, the water outlet of the first water tank is connected to the water inlet of the first water pump, the water outlet of the first water pump is connected to the water inlet of the first spray pipe, the first spray pipe is fixedly connected to the inner wall of the first-level spray tower and horizontally arranged on the upper part of the first-level spray tower, and the bottom of the first spray pipe is connected to a plurality of water spray nozzles arranged in an array.

[0010] Furthermore, the water mist spray mechanism includes a second water tank, a second water pump, a second spray pipe and a water mist spray nozzle, the water outlet of the second water tank is connected to the water inlet of the second water pump, the water outlet of the second water pump is connected to the water inlet of the second spray pipe, the second spray pipe is fixedly connected to the inner wall of the biological deodorization tower, the second spray pipe is horizontally arranged at the upper part of the biological deodorization tower and above the biological filler, and the bottom of the second spray pipe is connected to a plurality of water mist spray nozzles arranged in an array.

[0011] Furthermore, the ozone oxidation device has a cavity inside, and an ozone generator and an ozone mixing component are arranged inside the ozone oxidation device;

[0012] The ozone generator is arranged in the ozone oxidation device and is used for providing ozone into the ozone oxidation device. The ozone mixing component is rotatably installed in the ozone oxidation device.

[0013] Furthermore, the ozone mixing component includes a motor, a rotating shaft, a mixing plate and an adsorption layer; the motor is fixedly mounted on the outer wall of the ozone oxidation device, the driving end of the motor penetrates the side wall of the ozone oxidation device, extends into the ozone oxidation device and is connected to one end of the rotating shaft, the rotating shaft is horizontally rotatably connected in the ozone oxidation device, a plurality of mixing plates are provided, and an array of the plurality of mixing plates is provided on the rotating shaft, and adsorption layers are fixedly provided on the plurality of mixing plates, and the adsorption layers can adsorb ozone and odor.

[0014] Furthermore, the alkaline water spray mechanism includes an alkaline water tank, a third water pump, a third spray pipe, and an alkaline water spray nozzle. The water outlet of the alkaline water tank is connected to the water inlet of the third water pump, the water outlet of the third water pump is connected to the water inlet of the third spray pipe, the third spray pipe is fixedly connected to the inner wall of the secondary spray tower and horizontally arranged on the upper part of the secondary spray tower, and the bottom of the third spray pipe is connected to a plurality of alkaline water spray nozzles arranged in an array.

[0015] Furthermore, an ozone removal mechanism is provided in the secondary spray tower, and the ozone removal mechanism is located above the alkaline water spray mechanism.

[0016] Furthermore, an exhaust port is provided at the top of the secondary spray tower, and an exhaust pipe is connected to the exhaust port.

[0017] Beneficial effects of the utility model:

[0018] The waste gas to be treated is introduced into the primary spray tower through the air inlet of the primary spray tower, and the particles and ammonia molecules of the odor in the waste gas are removed by the water spray mechanism, and the odor in the waste gas is preliminarily treated. The waste gas after the preliminarily treatment flows into the two biological deodorization towers respectively through the diversion pipes connected to the air outlet at the top of the primary spray tower. By setting up two biological deodorization towers, the waste gas after the preliminarily treatment discharged from the primary spray tower can be diverted, thereby reducing the wind speed, so that when the waste gas enters the biological deodorization tower, the odor in the waste gas can be fully mixed and contacted with the biological filler, so that the microorganisms in the biological filler can fully absorb the odor molecules in the waste gas, and the odor treatment effect is better and more efficient. The water mist spray mechanism sprays water mist on the biological filler, so that a mist-like water film is formed on the biological filler, which can keep the bacteria and the biological filler Full contact, and at the same time indirectly make the odor in the waste gas fully contact with the biological filler when passing through the biological filler, so that the odor in the waste gas can be fully absorbed and decomposed by microorganisms; the waste gas treated by microorganisms passes through the confluence pipes on the two biological deodorization towers, and the waste gas is passed into the ozone oxidation device, and the odor and ozone are fully reacted through the ozone oxidation device, thereby destroying the odor molecules and further strengthening the odor treatment; after the odor in the waste gas is oxidized by ozone, it is passed into the secondary spray tower through the air pipe, and the odor entering the secondary spray tower is sprayed with alkaline water through the alkaline water spray mechanism, and the unreacted odor and ozone are removed by the alkaline water spray liquid, so that the odor treatment is more sufficient, and the odor in the waste gas is treated in multiple stages by this equipment, so that the odor treatment effect is better, the treatment is more thorough, and the deodorization efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model (first perspective);

[0020] Figure 2 It is a schematic diagram of the overall structure of the utility model (second viewing angle);

[0021] Figure 3 It is a partial structural schematic diagram of the primary spray tower and water spray mechanism of the utility model;

[0022] Figure 4 It is a partial structural schematic diagram of the biological deodorizing tower and water mist spraying mechanism of the utility model;

[0023] Figure 5 This is a schematic diagram of the internal structure of the ozone oxidation device of the utility model;

[0024] Figure 6 It is a partial structural schematic diagram of the secondary spray tower and alkaline water spray mechanism of the utility model;

[0025] The attached drawings are marked as follows:

[0026] A primary spray tower 1, a water spray mechanism 2, a first water tank 21, a first water pump 22, a first spray pipe 23, a water spray nozzle 24, a diversion pipe 3, a biological deodorization tower 4, a biological filler 41, a water mist spray mechanism 5, a second water tank 51, a second water pump 52, a second spray pipe 53, a water mist spray nozzle 54, a conduit 6, an ozone oxidation device 7, an ozone generator 71, a motor 72, a rotating shaft 73, a mixing plate 74, an adsorption layer 75, an air supply pipe 76, a secondary spray tower 8, an ozone removal mechanism 81, an exhaust port 82, an exhaust pipe 83, an alkaline water spray mechanism 9, an alkaline water tank 91, a third water pump 92, a third spray pipe 93, and an alkaline water spray nozzle 94. DETAILED DESCRIPTION

[0027] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0028] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Embodiment 1:

[0031] like Figure 1 to Figure 6 As shown, a low emission odor concentration treatment device includes a primary spray tower 1 and a water spray mechanism 2, wherein the gas outlet of the primary spray tower 1 is connected with a diverter pipe 3, the water spray mechanism 2 is arranged outside the primary spray tower 1, and the spray end of the water spray mechanism 2 penetrates the upper part of the side wall of the primary spray tower 1 and extends into the primary spray tower 1;

[0032] A biological deodorization tower 4 and a water mist spray mechanism 5, wherein two biological deodorization towers 4 are provided, and two air outlets of the diverter pipe 3 are provided, which are respectively connected to the air inlets of the two biological deodorization towers 4, and the air inlets of the two biological deodorization towers 4 are both arranged at the lower part of the two biological deodorization towers 4, and the air outlets of the two biological deodorization towers 4 are connected to a confluence pipe 6, and two air inlets are provided on one side of the confluence pipe 6, which are respectively connected to the air outlets of the two biological deodorization towers 4, and the air outlets of the two biological deodorization towers 4 are both arranged at the top of the two biological deodorization towers 4, and an air outlet is provided on the other side of the confluence pipe 6; the water mist spray mechanism 5 is provided at the biological deodorization tower 4, the spray end of the water mist spray mechanism 5 penetrates the upper part of the side wall of the biological deodorization tower 4 and extends into the biological deodorization tower 4, and a biological filler 41 is arranged below the spray end of the water mist spray mechanism 5, and one end of the biological filler 41 is connected to the inner wall of the biological deodorization tower 4; by setting two biological deodorization towers 4, the waste gas after preliminary treatment discharged from the primary spray tower 1 can be diverted, thereby reducing the wind speed, so that when the waste gas enters the biological deodorization tower 4, the odor in the waste gas can be fully mixed and contacted with the biological filler 41, so that the microorganisms in the biological filler 41 can fully absorb the odor molecules in the waste gas, and the treatment effect of the odor is better and the efficiency is higher;

[0033] The biological deodorization tower 4 is provided with a water mist spraying mechanism 5 and biological fillers 41 in sequence from top to bottom;

[0034] An ozone oxidation device 7, wherein the ozone oxidation device 7 is arranged on one side of the two biological deodorization towers 4, and the air outlet of the manifold 6 is connected to the air inlet of the ozone oxidation device 7;

[0035] A secondary spray tower 8 and an alkaline water spray mechanism 9, wherein the secondary spray tower 8 is arranged on one side of the ozone oxidation device 7, the air outlet of the ozone oxidation device 7 is connected with an air supply pipe 76, the air outlet of the air supply pipe 76 is connected with the air inlet of the secondary spray tower 8, the alkaline water spray mechanism 9 is arranged outside the secondary spray tower 8, and the spray end of the alkaline water spray mechanism 9 passes through the upper part of the side wall of the secondary spray tower 8 and extends into the secondary spray tower 8.

[0036] like Figure 3 As shown, as a preferred solution, the water spray mechanism 2 includes a first water tank 21, a first water pump 22, a first spray pipe 23 and a water spray nozzle 24. The water outlet of the first water tank 21 is connected to the water inlet of the first water pump 22 through a pipeline, and the water outlet of the first water pump 22 is connected to the water inlet of the first spray pipe 23 through a pipeline. The first spray pipe 23 is fixedly connected to the inner wall of the first spray tower 1 and horizontally arranged at the upper part of the first spray tower 1. The bottom of the first spray pipe 23 is connected to a plurality of water spray nozzles 24 arranged in an array. The first water pump 22 is started to transport the water in the first water tank 21 to the first spray pipe 23, and the waste gas entering the first spray tower 1 is sprayed with water through the water spray nozzle 24. The particles and ammonia molecules of odor in the waste gas are removed by spraying water, and the odor in the waste gas is preliminarily treated. In this embodiment, three first spray pipes 23 are arranged in a vertical array, and the water inlets of the three first spray pipes 23 are connected to the water outlet of the first water pump 22 through a diversion water pipe. The bottoms of the three first spray pipes 23 are connected to several water spray nozzles 24 arranged in an array along the axial direction of the first spray pipe 23. The spraying effect of multiple first spray pipes 23 is better and the deodorization efficiency is higher.

[0037] like Figure 4As shown, as a preferred embodiment, the water mist spray mechanism 5 includes a second water tank 51, a second water pump 52, a second spray pipe 53 and a water mist spray nozzle 54, the water outlet of the second water tank 51 is connected with the water inlet of the second water pump 52 through a pipe, the water outlet of the second water pump 52 is connected with the water inlet of the second spray pipe 53 through a pipe, the second spray pipe 53 is fixedly connected to the inner wall of the biological deodorization tower 4, the second spray pipe 53 is horizontally arranged at the upper part of the biological deodorization tower 4 and above the biological filler 41, and the bottom of the second spray pipe 53 is connected with a plurality of water mist spray nozzles 54 arranged in an array. Start the second water pump 52 to transport the water in the second water tank 51 to the second spray pipe 53, and spray water mist to the biological filler 41 through the water mist spray nozzle 54, so that a mist-like water film is formed on the biological filler 41, which can keep the bacteria and the biological filler 41 in full contact, and at the same time indirectly make the odor in the exhaust gas fully contact with the biological filler 41 when passing through the biological filler 41, so that the odor in the exhaust gas can be fully absorbed and decomposed by microorganisms. In this embodiment, there are three second spray pipes 53 arranged in a vertical array, and three second spray pipes 53 are arranged in an array corresponding to the biological filler 41. The water inlets of the three second spray pipes 53 are connected to the water outlet of the second water pump 52 through a diverter water pipe. The bottoms of the three second spray pipes 53 are connected to several array-arranged water mist spray nozzles 54 along the axial direction of the second spray pipe 53. The spraying effect of setting multiple second spray pipes 53 is better;

[0038] Specifically, the microorganisms of the three biological fillers 41 include photosynthetic bacteria, nitrifying bacteria, Bacillus megaterium, Lactobacillus acidophilus, and Alcaligenes faecalis. The mass ratios of photosynthetic bacteria, nitrifying bacteria, Bacillus megaterium, Lactobacillus acidophilus, and Alcaligenes faecalis in the biological fillers 41 arranged in three arrays from bottom to top are 1:1.7:2:2.5:2, 1.5:2:1.5:2:1.5, and 2:2.5:1:1.5:1, respectively. The odor is discharged upward from the lower part of the biological deodorization tower 4, and passes through the biological fillers 41 arranged in the above three arrays from bottom to top in sequence, thereby realizing the segmented treatment of high-concentration odor. As the odor concentration decreases, the proportions of Bacillus megaterium, Lactobacillus acidophilus, and Alcaligenes faecalis in the microbial strains are gradually reduced, so that the deodorization ability of Bacillus megaterium, Lactobacillus acidophilus, and Alcaligenes faecalis under high-concentration odor conditions can be fully utilized, so that they are in a dominant state in the deodorization decomposition and metabolism process, and the odor concentration can be quickly reduced.

[0039] like Figure 5As shown, as a preferred embodiment, the ozone oxidation device 7 has a cavity inside, and an ozone generator 71 and an ozone mixing component are provided inside the ozone oxidation device 7; the ozone generator 71 is provided inside the ozone oxidation device 7 to provide ozone to the ozone oxidation device 7, and the ozone mixing component is rotatably installed inside the ozone oxidation device 7. The ozone oxidation device 7 is filled with ozone by the ozone generator 71, and the ozone mixing component is used in conjunction with the ozone, so that the odor in the exhaust gas can be fully mixed with the ozone, and the oxidation reaction time can be delayed to a certain extent.

[0040] like Figure 5 As shown, as a preferred embodiment, the ozone mixing component includes a motor 72, a rotating shaft 73, a mixing plate 74 and an adsorption layer 75; the motor 72 is fixedly mounted on the outer wall of the ozone oxidation device 7, the driving end of the motor 72 penetrates the side wall of the ozone oxidation device 7 and extends into the ozone oxidation device 7 and is connected to one end of the rotating shaft 73, the rotating shaft 73 is horizontally rotatably connected in the ozone oxidation device 7, a plurality of mixing plates 74 are provided, and a plurality of the mixing plates 74 are arrayed on the rotating shaft 73, and an adsorption layer 75 is fixedly arranged on the plurality of mixing plates 74, and the adsorption layer 75 can adsorb ozone and odor. The starting motor 72 drives the rotating shaft 73 to rotate slowly. The rotation of the rotating shaft 73 drives the mixing plate 74 to rotate slowly, thereby driving the adsorption layer 75 on the mixing plate 74 to rotate in the ozone oxidation device 7. In this embodiment, the adsorption layer 75 is an activated carbon adsorption plate with a porous structure. The adsorption layer 75 can adsorb odor and ozone in the ozone oxidation device 7 during the rotation process, so that the odor and ozone can fully react, thereby destroying the odor molecules and further strengthening the odor treatment.

[0041] like Figure 6As shown, as a preferred embodiment, the alkaline water spray mechanism 9 includes an alkaline water tank 91, a third water pump 92, a third spray pipe 93, and an alkaline water spray nozzle 94. The water outlet of the alkaline water tank 91 is connected to the water inlet of the third water pump 92 through a pipeline, and the water outlet of the third water pump 92 is connected to the water inlet of the third spray pipe 93 through a pipeline. The third spray pipe 93 is fixedly connected to the inner wall of the secondary spray tower 8 and horizontally arranged on the upper part of the secondary spray tower 8. The bottom of the third spray pipe 93 is connected to a plurality of alkaline water spray nozzles 94 arranged in an array. The third water pump 92 is started to transport the alkaline water in the alkaline water tank 91 to the third spray pipe 93, and the alkaline water in the third spray pipe 93 is sprayed on the odor entering the secondary spray tower 8 through the alkaline water spray nozzle 94. The unreacted odor and ozone are removed by the alkaline water spray liquid, so that the odor treatment is more complete. Through the multi-stage treatment of the odor, the treatment effect is better, so that the odor concentration is treated to less than 400 dimensionless. In this embodiment, three third spray pipes 93 are arranged in a vertical array, and the water inlets of the three third spray pipes 93 are connected to the water outlet of the third water pump 92 through a diverter water pipe. The bottoms of the three third spray pipes 93 are connected to several array-arranged alkaline water spray nozzles 94 along the axial direction of the third spray pipe 93. The spraying effect of multiple third spray pipes 93 is better and the deodorization efficiency is higher.

[0042] like Figure 6 As shown, as a preferred solution, an ozone removal mechanism 81 is provided in the secondary spray tower 8, and the ozone removal mechanism 81 is provided on the inner wall of the secondary spray tower 8, and the ozone removal mechanism 81 is located above the alkaline water spray mechanism 9, and the ozone removal mechanism 81 is a honeycomb structure made of heavy metal. The waste gas sprayed by the alkaline water spray mechanism 9 passes upward through the honeycomb structure made of heavy metal, destroys the ozone mixed in the treated waste gas, and removes the ozone in the gas discharged from the secondary spray tower 8.

[0043] As a preferred solution, an exhaust port 82 is provided at the top of the secondary spray tower 8, and an exhaust pipe 83 is connected to the exhaust port 82. By providing the exhaust port 82 at the top of the secondary spray tower 8 and connecting the exhaust pipe 83 at the exhaust port 82, it is convenient to discharge the treated gas through the exhaust pipe 83 at the top of the secondary spray tower 8.

[0044] In other embodiments, an ozone exhaust processor is used to remove ozone. Specifically, an ozone exhaust processor of Jiangsu Wohuan Environmental Protection Technology Co., Ltd., whose brand is Jiangsu Wohuan and whose model is WH-SA, is used. By connecting the air inlet of the ozone exhaust processor with the exhaust pipe 83 at the top of the secondary spray tower 8, the exhaust gas from the secondary spray tower 8 is passed into the ozone exhaust processor, thereby facilitating the removal of ozone exhaust gas in the secondary spray tower 8.

[0045] In this embodiment, since the spray liquid of the secondary spray tower 8 is alkaline water, when the sewage generated by the spraying of the secondary spray tower 8 is treated, the pH value of the sewage needs to be adjusted before being discharged to the sewage treatment center. The sewage in the secondary spray tower 8 is first flowed to the sewage pool of the primary spray tower 1 through the sewage pipe and the sewage pump, and the pH value of the mixed sewage of the secondary spray tower 8 and the primary spray tower 1 is adjusted, and then uniformly discharged into the sewage treatment center;

[0046] For the sewage in the biological deodorization tower 4, a sewage pool is provided in the biological deodorization tower 4, and the sewage in the biological deodorization tower 4 is tested by a turbidity meter. The flow rate of the sewage in the biological deodorization tower 4 flowing into the sewage treatment center is adjusted according to the turbidity degree of the sewage in the biological deodorization tower 4 tested by the turbidity meter.

[0047] The working mode of the utility model is as follows:

[0048] When in use, the waste gas to be treated is introduced into the primary spray tower 1 through the air inlet of the primary spray tower 1, the first water pump 22 is started to transport the water in the first water tank 21 to the first spray pipe 23, and the waste gas entering the primary spray tower 1 is sprayed with water through the water spray nozzle 24. The particles and ammonia molecules of the odor in the waste gas are removed by spraying water, and the odor in the waste gas is preliminarily treated. The waste gas after the preliminary treatment flows into the two biological deodorization towers 4 respectively through the diversion pipe 3 connected to the air outlet at the top of the primary spray tower 1. By setting up two biological deodorization towers 4, the waste gas after the preliminary treatment discharged from the primary spray tower 1 can be diverted, thereby reducing the wind speed, so that the waste gas enters the biological deodorization tower 1. When the waste gas is in the deodorizing tower 4, the odor in the waste gas can be fully mixed and contacted with the biological filler 41, so that the microorganisms in the biological filler 41 can fully absorb the odor molecules in the waste gas, and the treatment effect of the odor is better and more efficient, and the second water pump 52 is started to transport the water in the second water tank 51 to the second spray pipe 53, and the water mist is sprayed on the biological filler 41 through the water mist spray nozzle 54, so that a mist-like water film is formed on the biological filler 41, which can keep the bacteria and the biological filler 41 in full contact, and at the same time indirectly make the odor in the waste gas fully contact with the biological filler 41 when passing through the biological filler 41, so that the odor in the waste gas can be fully absorbed and decomposed by the microorganisms; The waste gas treated by microorganisms passes through the conduit 6 on the two biological deodorization towers 4, and the waste gas is passed into the ozone oxidation device 7. The ozone generator 71 makes the ozone oxidation device 7 full of ozone, and in conjunction with the ozone mixing component, the motor 72 is started to drive the shaft 73 to rotate slowly. The rotation of the shaft 73 drives the mixing plate 74 to rotate slowly, thereby driving the adsorption layer 75 on the mixing plate 74 to rotate in the ozone oxidation device 7. In this embodiment, the adsorption layer 75 is an activated carbon adsorption plate with a porous structure. The adsorption layer 75 can adsorb the odor and ozone in the ozone oxidation device 7 during the rotation process, so that the odor and ozone can fully react, thereby destroying the odor molecules. , further strengthen the treatment of odor; after the odor in the waste gas is oxidized by ozone, it is introduced from the bottom of the secondary spray tower 8, and the third water pump 92 is started to transport the alkaline water in the alkaline water tank 91 to the third spray pipe 93, and the alkaline water in the third spray pipe 93 is sprayed on the odor entering the secondary spray tower 8 through the alkaline water spray nozzle 94, and the unreacted odor and ozone are removed by the alkaline water spray liquid, so that the odor treatment is more sufficient, and the multi-stage treatment of the odor has a better treatment effect, so that the odor concentration is treated to below 400 dimensionless, and the odor in the waste gas is treated in multiple stages by this equipment, so that the odor treatment effect is better, the treatment is more thorough, and the deodorization efficiency is higher.

[0049] The utility model is described in detail above. The description of the specific embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A low emission odor concentration treatment device, characterized in that: include A primary spray tower (1) and a water spray mechanism (2), wherein the gas outlet of the primary spray tower (1) is connected to a diverter pipe (3), the water spray mechanism (2) is arranged outside the primary spray tower (1), and the spray end of the water spray mechanism (2) penetrates the primary spray tower (1) and extends into the primary spray tower (1); A biological deodorization tower (4) and a water mist spray mechanism (5), wherein two biological deodorization towers (4) are provided, and two gas outlets of the diverter pipe (3) are provided, which are respectively connected to the gas inlets of the two biological deodorization towers (4), and the gas outlets of the two biological deodorization towers (4) are connected to a confluence pipe (6), and two gas inlets are provided on one side of the confluence pipe (6), which are respectively connected to the gas outlets of the two biological deodorization towers (4), and one gas outlet is provided on the other side of the confluence pipe (6); the water mist spray mechanism (5) is provided outside the biological deodorization tower (4), and the spray end of the water mist spray mechanism (5) penetrates the biological deodorization tower (4) and extends into the biological deodorization tower (4), and a biological filler (41) is provided below the spray end of the water mist spray mechanism (5), and one end of the biological filler (41) is connected to the inner wall of the biological deodorization tower (4); An ozone oxidation device (7), wherein the ozone oxidation device (7) is arranged on one side of the two biological deodorization towers (4), and the air outlet of the manifold (6) is connected to the air inlet of the ozone oxidation device (7); A secondary spray tower (8) and an alkaline water spray mechanism (9), wherein the secondary spray tower (8) is arranged on one side of the ozone oxidation device (7), the gas outlet of the ozone oxidation device (7) is connected to an air supply pipe (76), the gas outlet of the air supply pipe (76) is connected to the gas inlet of the secondary spray tower (8), the alkaline water spray mechanism (9) is arranged outside the secondary spray tower (8), and the spray end of the alkaline water spray mechanism (9) penetrates the secondary spray tower (8) and extends into the secondary spray tower (8).

2. A low emission odor concentration treatment equipment according to claim 1, characterized in that: The water spray mechanism (2) comprises a first water tank (21), a first water pump (22), a first spray pipe (23) and a water spray nozzle (24); the water outlet of the first water tank (21) is connected to the water inlet of the first water pump (22); the water outlet of the first water pump (22) is connected to the water inlet of the first spray pipe (23); the first spray pipe (23) is fixedly connected to the inner wall of the first-stage spray tower (1) and is horizontally arranged at the upper part of the first-stage spray tower (1); the bottom of the first spray pipe (23) is connected to a plurality of water spray nozzles (24) arranged in an array.

3. The low emission odor concentration treatment equipment according to claim 1 is characterized in that: The water mist spray mechanism (5) comprises a second water tank (51), a second water pump (52), a second spray pipe (53) and a water mist spray nozzle (54); the water outlet of the second water tank (51) is connected to the water inlet of the second water pump (52); the water outlet of the second water pump (52) is connected to the water inlet of the second spray pipe (53); the second spray pipe (53) is fixedly connected to the inner wall of the biological deodorization tower (4); the second spray pipe (53) is horizontally arranged at the upper part of the biological deodorization tower (4) and located above the biological filler (41); the bottom of the second spray pipe (53) is connected to a plurality of water mist spray nozzles (54) arranged in an array.

4. The low emission odor concentration treatment equipment according to claim 1 is characterized in that: The ozone oxidation device (7) has a cavity inside, and an ozone generator (71) and an ozone mixing component are arranged inside the ozone oxidation device (7); The ozone generator (71) is arranged in the ozone oxidation device (7) and is used to provide ozone to the ozone oxidation device (7). The ozone mixing component is rotatably installed in the ozone oxidation device (7).

5. A low emission odor concentration treatment device according to claim 4, characterized in that: The ozone mixing component comprises a motor (72), a rotating shaft (73), a mixing plate (74) and an adsorption layer (75); the motor (72) is fixedly mounted on the outer wall of the ozone oxidation device (7); the driving end of the motor (72) penetrates the side wall of the ozone oxidation device (7) and extends into the ozone oxidation device (7) and is connected to one end of the rotating shaft (73); the rotating shaft (73) is horizontally rotatably connected in the ozone oxidation device (7); a plurality of mixing plates (74) are provided, and the plurality of mixing plates (74) are arranged in an array on the rotating shaft (73); and an adsorption layer (75) is fixedly arranged on each of the mixing plates (74); the adsorption layer (75) is capable of adsorbing ozone and odor.

6. The low emission odor concentration treatment equipment according to claim 1 is characterized in that: The alkaline water spraying mechanism (9) comprises an alkaline water tank (91), a third water pump (92), a third spraying pipe (93), and an alkaline water spraying nozzle (94); the water outlet of the alkaline water tank (91) is communicated with the water inlet of the third water pump (92); the water outlet of the third water pump (92) is communicated with the water inlet of the third spraying pipe (93); the third spraying pipe (93) is fixedly connected to the inner side wall of the secondary spraying tower (8) and is horizontally arranged at the upper part of the secondary spraying tower (8); the bottom of the third spraying pipe (93) is communicated with a plurality of alkaline water spraying nozzles (94) arranged in an array.

7. The low emission odor concentration treatment equipment according to claim 1 is characterized in that: An ozone removal mechanism (81) is provided in the secondary spray tower (8), and the ozone removal mechanism (81) is located above the alkaline water spray mechanism (9).

8. The low emission odor concentration treatment equipment according to claim 7 is characterized in that: An exhaust port (82) is provided at the top of the secondary spray tower (8), and an exhaust pipe (83) is connected to the exhaust port (82).

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