CN211987944U - Ozone adding device - Google Patents

Ozone adding device Download PDF

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Publication number
CN211987944U
CN211987944U CN202020441836.6U CN202020441836U CN211987944U CN 211987944 U CN211987944 U CN 211987944U CN 202020441836 U CN202020441836 U CN 202020441836U CN 211987944 U CN211987944 U CN 211987944U
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ozone
perforated
flue
guide plates
flue gas
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杨森林
刘勇
胡小吐
胡静龄
钟璐
杨颖欣
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Guangdong Jiade Environmental Protection Technology Co Ltd
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Guangdong Jiade Environmental Protection Technology Co Ltd
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Abstract

The utility model provides an ozone adding device, which comprises a mixing flue arranged horizontally, at least three ozone adding components and at least three groups of perforated guide plates, wherein the ozone adding components and the perforated guide plates are arranged in the mixing flue; the air inlet end of the ozone adding assembly is respectively and independently connected with an ozone supply device and a scavenging gas supply device; and a group of perforated guide plates are respectively and independently arranged behind each ozone adding component. The utility model discloses an interval sets up ozone in mixing the flue and throws feeder assembly and perforation guide plate, has improved the mixed effect of ozone and flue gas to improve the utilization ratio of ozone, and the oxidation effect of flue gas.

Description

Ozone adding device
Technical Field
The utility model belongs to the technical field of the flue gas is handled, a gas mixing device is related to, especially, relate to an ozone throws feeder apparatus.
Background
Nitrogen oxides and sulfur dioxide are the main pollutants of various types of flue gases. The emission of nitrogen oxides and sulfur dioxide into the atmosphere not only directly harms human health, but also causes a series of environmental problems such as haze, acid rain, photochemical pollution and the like, so that the control of the emission of the nitrogen oxides and the sulfur dioxide is very important for improving the quality of the atmospheric environment.
Mainstream technologies for flue gas desulfurization and denitration include wet flue gas desulfurization, SCR flue gas denitration, activated carbon/coke flue gas desulfurization and denitration, flue gas circulating fluidized bed desulfurization and denitration, and the like. The wet flue gas desulfurization mainly adopts a limestone or lime-gypsum method, an ammonia method, a seawater desulfurization method and the like. The limestone or lime-gypsum method is the most widely used wet flue gas desulfurization technique, and has the advantages of high desulfurization efficiency, good operation reliability, wide absorbent source, low price and the like. SCR flue gas denitration technique has advantages such as denitration efficiency is high, area is little, but conventional SCR flue gas denitration technical requirement temperature is higher, if reaction temperature is low excessively, not only influences denitration efficiency, and more importantly the catalyst is easily poisoned. In order to cope with industrial furnace flue gas with low temperature and complex components and places where an SCR denitration system is not suitable to be arranged, in recent years, technologies such as activated carbon/coke flue gas desulfurization and denitration, flue gas circulating fluidized bed flue gas desulfurization and denitration and the like are popularized and applied.
The activated carbon/coke flue gas desulfurization and denitrification technology has the advantages of purifying various pollutants, and has high purification efficiency, but the activated carbon/coke has higher cost and complex circulation and regeneration processes, so that the system failure rate is higher. The flue gas circulating fluidized bed technology has high purification efficiency, but the denitration efficiency guarantee rate is relatively low, and the problems of high system failure rate and the like are also faced. Based on this, people propose ozone oxidation and absorb flue gas desulfurization denitration technique in coordination, this technique utilizes ozone to oxidize nitric oxide into high valence state's nitrogen oxide earlier, utilizes conventional wet flue gas desulfurization system to realize high-efficient SOx/NOx control, and this technique adopts the two-phase contact of air current to realize the desorption of pollutant, and the guarantee rate that the system does not have trouble operation is higher.
At present, the relationship between the ozone adding amount and the removal efficiency cannot be coordinated in the method for desulfurizing and denitrating the flue gas by synergistic absorption of ozone oxidation, the problems of large ozone adding amount and high operation cost exist, the unification of standard emission and energy conservation and consumption reduction cannot be realized, the ratio of generating high-price nitrogen oxide by ozone oxidation NO cannot be controlled, and the problem of ozone waste exists.
CN 206837824U discloses a high-efficient flue gas ozone gas mixture for ozone denitration, including the box, be provided with the pivot in the box, be provided with the paddle in the pivot, box one end is provided with gas inlet, and the other end is provided with gas outlet, and gas inlet is connected with the flue gas supply pipe, and the flue gas supply pipe has surrounded the ozone supply pipe outward, and ozone supply pipe and flue gas supply pipe all are connected with gas inlet through the hybrid tube. A main pipe is arranged in the mixing pipe, one end of the main pipe is connected with the flue gas supply pipe, and the other end of the main pipe is connected with the gas inlet; the box is internally provided with a guide plate for guiding gas to gather to the middle part of the box, and the guide plate comprises a first arc-shaped plate and a second arc-shaped plate which are respectively arranged at the top and the bottom of the box.
CN 205586812U discloses an ozone mixes flue gas system distribution device for organic catalytic denitration of low temperature, including flue gas pipeline, mixture anticorrosive coating, ozone gas mixture person in charge, ozone gas mixture main pipe subassembly and ozone gas mixture nozzle component, the flue gas pipeline level is settled, and flue gas pipeline inner wall adheres to and mixes the first body anticorrosive coating, and ozone gas mixture nozzle component includes ozone blowout straight tube, and ozone gas mixture person in charge, ozone gas mixture nozzle component adopt the seamless stainless steel pipe of 316L.
CN 209393000U discloses an ozone and flue gas mixing gas distribution device, which comprises an ozone gas distribution pipe fitting, a flue gas channel and a mixing structure, wherein the ozone gas distribution pipe fitting comprises an ozone inlet main pipe, the inner side wall of the flue gas channel is provided with the mixing structure, and a transverse equalizing pipe and a longitudinal equalizing pipe are connected in a staggered manner to form a latticed mixing structure; the ozone inlet branch pipe extends into the flue gas channel, and the ozone nozzle faces the mixing structure in the flue gas channel.
The structure can improve the mixing state of the ozone and the flue gas, but the mixing effect of the ozone and the flue gas can be still further improved, so that the using amount of the ozone is reduced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an ozone adds feeder apparatus, ozone is added feeder apparatus and is added on the basis of the subassembly is thrown to current ozone, sets up the perforation guide plate after the subassembly is thrown to ozone, utilizes the water conservancy diversion effect of perforation guide plate, improves the mixed effect of ozone and flue gas to improve the utilization ratio of ozone, realized the reduction of ozone use amount.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an ozone dosing device, ozone dosing device includes the mixing flue that the level was arranged and sets up at least three ozone in mixing flue and throws the subassembly and three at least group perforation guide plates.
The air inlet end of the ozone adding assembly is respectively and independently connected with an ozone supply device and a scavenging gas supply device.
And a group of perforated guide plates are respectively and independently arranged behind each ozone adding component.
The utility model discloses set up at least three ozone in the mixed flue and throw the subassembly and at least three group perforation guide plates, the quantity that the subassembly was thrown to ozone is 3, 4, 5, 6, 7, 8 or 10, but not limited to the numerical value enumerated, other numerical values not enumerated in the numerical value range are suitable for equally; the number of groups of perforated baffles is 3, 4, 5, 6, 7, 8 or 10, but is not limited to the recited values, and other values not recited in the numerical range are equally applicable.
If the number of the ozone adding assemblies and the number of the perforated guide plates are too small, the effect of uniformly mixing the flue gas and the ozone cannot be achieved; too many ozone adding assemblies and perforated guide plates can increase the equipment investment cost and are not beneficial to reducing the flue gas treatment cost. Therefore, the number of the ozone adding component in the mixing flue is preferably 3, and the group number of the perforated guide plates is preferably 3.
Ozone is thrown and is thrown behind the subassembly and indicate, ozone is thrown and is thrown the downwind direction of the flue gas flow direction of subassembly. The utility model discloses an interval sets up ozone in mixing the flue and throws feeder assembly and perforation guide plate, has improved the mixed effect of ozone and flue gas to improve the utilization ratio of ozone, and the oxidation effect of flue gas.
The ozone adding device of the utility model comprises but is not limited to an ozone generator; the purge gas supply means includes, but is not limited to, an air compressor.
Preferably, the ozone adding assembly comprises an ozone gas distribution pipeline and an ozone nozzle arranged on the ozone gas distribution pipeline. The setting direction of the ozone nozzle is the same as the flowing direction of the flue gas in the mixing flue.
Ozone gas distribution pipeline is the conventional ozone gas distribution pipeline in this field, ozone gas distribution pipeline's effect is spouted into mixed flue for the ozone that provides with ozone feeding device by the ozone nozzle. Exemplarily, the ozone gas distribution pipeline is a distribution plate disclosed in CN 207576113U, and includes a main pipe and a distribution pipe, and the ozone nozzle is disposed on the distribution pipe. Ozone from the ozone supply device flows into the main pipe, flows into the distribution pipe in the main pipe, and is sprayed out from the ozone nozzle.
The utility model discloses a make the ozone nozzle set up the direction the same with the flow direction of flue gas in the mixed flue, reduced the risk that granule impurity blockked up the ozone nozzle in the flue gas. The ozone adding device can stably operate for a long time by matching with the use of a blowing gas supply device, and the maintenance period and difficulty can be reduced.
Preferably, the ozone nozzle is a hollow conical spiral nozzle.
Preferably, each group of perforated baffles comprises 6-16 perforated baffles arranged perpendicular to the flow direction of the flue gas, and the number of the perforated baffles can be 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16.
The skilled person in the art can select the number of the perforated guide plates in each group and the distance between two adjacent perforated guide plates according to the size of the mixed flue, and the utility model is not limited in detail here.
Preferably, the perforated baffles in each set of perforated baffles are equally spaced, and more preferably, the spacing between two adjacent perforated baffles is 200-1000mm, such as 200mm, 400mm, 600mm, 800mm or 1000mm, but not limited to the values listed, and other values not listed in the range of values are equally applicable.
Preferably, the perforated deflector comprises an upper deflector surface and a lower deflector surface parallel to the flow direction of the flue gas; the upper flow guide surface and the lower flow guide surface are arranged in a staggered mode and are connected through the perforation flow guide surface which is obliquely arranged.
The distance between the two adjacent perforated guide plates is the distance between the upper guide surfaces of the two adjacent perforated guide plates or the distance between the lower guide surfaces of the two adjacent perforated guide plates.
Preferably, the perforated guiding surface is provided with through holes with a diameter of 3-10mm, such as 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm, but not limited to the values listed, and other values not listed in the numerical range are also applicable; the porosity is from 20 to 45%, for example 20%, 25%, 30%, 35%, 40% or 45%, but is not limited to the values listed, and other values not listed in the numerical range are equally applicable.
Through-hole evenly distributed on the water conservancy diversion face of perforating, interval and arrangement mode between the adjacent through-hole the utility model discloses do not specifically inject, technical personnel in the field can rationally select according to actual need.
Preferably, the angle between the plane of the perforated flow-directing surface and the flow direction of the flue gas is 15-45 °, for example 15 °, 20 °, 25 °, 30 °, 35 °, 40 ° or 45 °, but not limited to the recited values, and other values in the range of values not recited are equally applicable.
Preferably, the distance between the upper flow guide surface of the top perforated flow guide plate in each group of perforated flow guide plates and the top of the mixing flue is 20-120% of the distance between two adjacent perforated flow guide plates, for example, 20%, 40%, 60%, 80%, 100% or 120%, but not limited to the values listed, and other values not listed in the numerical range are also applicable.
Preferably, the distance between the lower guide surface of the bottom perforated guide plate in each group of perforated guide plates and the bottom of the mixing flue is 20-120% of the distance between two adjacent perforated guide plates, for example, 20%, 40%, 60%, 80%, 100% or 120%, but not limited to the values listed, and other values not listed in the range of the values are also applicable.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an interval sets up ozone in mixing the flue and throws feeder assembly and perforation guide plate, has improved the mixed effect of ozone and flue gas to improve the utilization ratio of ozone, and the oxidation effect of flue gas.
Drawings
FIG. 1 is a schematic structural diagram of an ozone adding apparatus provided in example 1;
fig. 2 is a schematic structural view of a perforated baffle provided in example 1;
wherein: 1, an ozone generator; 2, an air compressor; 3, an ozone adding component; 4, perforating a flow guide plate; 41, an upper flow guide surface; 42, perforating the flow guide surface; 43, lower guide surface.
Detailed Description
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
The embodiment provides an ozone adding device, the structural schematic diagram of which is shown in fig. 1, and the ozone adding device comprises a horizontally arranged mixing flue, 3 ozone adding assemblies and 3 groups of perforated guide plates, wherein the 3 ozone adding assemblies and the 3 groups of perforated guide plates are arranged in the mixing flue; and a group of perforated guide plates are respectively and independently arranged behind each ozone adding component.
The air inlet end of the ozone adding component is respectively and independently connected with an ozone generator and an air compressor.
The ozone adding assembly comprises an ozone gas distribution pipeline and a hollow conical spiral nozzle arranged on the ozone gas distribution pipeline, the ozone gas distribution pipeline is a distribution plate disclosed by CN 207576113U, and the arrangement direction of the hollow conical spiral nozzle is the same as the flow direction of flue gas in the mixing flue.
Each group of perforated guide plates comprises 10 perforated guide plates which are arranged perpendicular to the flowing direction of the flue gas, the 10 perforated guide plates are arranged at equal intervals, and the interval between every two adjacent perforated guide plates is 600 mm; the structure schematic diagram of the perforated guide plate is shown in fig. 2, and the perforated guide plate comprises an upper guide surface and a lower guide surface which are parallel to the flow direction of the flue gas; the upper flow guide surface and the lower flow guide surface are arranged in a staggered manner and are connected by the inclined perforated flow guide surface; the perforation diversion surface is provided with a through hole with the diameter of 6mm, and the porosity is 36%; the plane of the perforated flow guide surface forms an included angle of 30 degrees with the flow direction of the flue gas; the distance between the upper flow guide surface of the perforated flow guide plate at the top end of each group of perforated flow guide plates and the top of the mixed flue is 70 percent of the distance between the two adjacent perforated flow guide plates; the distance between the lower guide surface of the perforated guide plate at the bottom end of each group of perforated guide plates and the bottom of the mixed flue is 70 percent of the distance between the two adjacent perforated guide plates.
When the ozone adding device provided by the embodiment is used for treating flue gas, ozone is divided into three parts, is sprayed into the mixing flue by the three ozone adding components, and then is mixed with the flue gas flowing in the flue. At a flow rate of 5000Nm3For example, when the molar ratio of the total amount of ozone to NO is 1:1, the NO content in the oxidized mixed gas is less than or equal to 36ppm, and the NO oxidation rate is more than or equal to 92.8%. This embodiment the air compressor machine is used for sweeping hollow toper spiral nozzle, avoids hollow toper spiral nozzle to block up.
Example 2
The embodiment provides an ozone adding device, which comprises a horizontally arranged mixing flue, 3 ozone adding assemblies and 3 groups of perforated guide plates, wherein the 3 ozone adding assemblies and the 3 groups of perforated guide plates are arranged in the mixing flue; and a group of perforated guide plates are respectively and independently arranged behind each ozone adding component.
The air inlet end of the ozone adding component is respectively and independently connected with an ozone generator and an air compressor.
The ozone adding assembly comprises an ozone gas distribution pipeline and a hollow conical spiral nozzle arranged on the ozone gas distribution pipeline, the ozone gas distribution pipeline is a distribution plate disclosed by CN 207576113U, and the arrangement direction of the hollow conical spiral nozzle is the same as the flow direction of flue gas in the mixing flue.
Each group of perforated guide plates comprises 6 perforated guide plates which are arranged perpendicular to the flowing direction of the flue gas, 10 perforated guide plates are arranged at equal intervals, and the interval between every two adjacent perforated guide plates is 1000 mm; the perforated guide plate comprises an upper guide surface and a lower guide surface which are parallel to the flow direction of the smoke; the upper flow guide surface and the lower flow guide surface are arranged in a staggered manner and are connected by the inclined perforated flow guide surface; the perforation diversion surface is provided with a through hole with the diameter of 3mm, and the porosity is 45%; the included angle between the plane of the perforated flow guide surface and the flow direction of the flue gas is 45 degrees; the distance between the upper flow guide surface of the perforated flow guide plate at the top end of each group of perforated flow guide plates and the top of the mixed flue is 20 percent of the distance between the two adjacent perforated flow guide plates; the distance between the lower guide surface of the perforated guide plate at the bottom end of each group of perforated guide plates and the bottom of the mixed flue is 20 percent of the distance between the two adjacent perforated guide plates.
When the ozone adding device provided by the embodiment is used for treating flue gas, ozone is divided into three parts, is sprayed into the mixing flue by the three ozone adding components, and then is mixed with the flue gas flowing in the flue. At a flow rate of 5000Nm3For example, when the molar ratio of the total amount of ozone to NO is 1:1, the content of NO in the oxidized mixed gas is less than or equal to 40ppm, and the NO oxidation rate is more than or equal to 92.0%. This embodiment the air compressor machine is used for sweeping hollow toper spiral nozzle, avoids hollow toper spiral nozzle to block up.
Example 3
The embodiment provides an ozone adding device, which comprises a horizontally arranged mixing flue, 3 ozone adding assemblies and 3 groups of perforated guide plates, wherein the 3 ozone adding assemblies and the 3 groups of perforated guide plates are arranged in the mixing flue; and a group of perforated guide plates are respectively and independently arranged behind each ozone adding component.
The air inlet end of the ozone adding component is respectively and independently connected with an ozone generator and an air compressor.
The ozone adding assembly comprises an ozone gas distribution pipeline and a hollow conical spiral nozzle arranged on the ozone gas distribution pipeline, the ozone gas distribution pipeline is a distribution plate disclosed by CN 207576113U, and the arrangement direction of the hollow conical spiral nozzle is the same as the flow direction of flue gas in the mixing flue.
Each group of perforated guide plates comprises 16 perforated guide plates which are arranged in a direction perpendicular to the flowing direction of the flue gas, the 16 perforated guide plates are arranged at equal intervals, and the interval between every two adjacent perforated guide plates is 200 mm; the perforated guide plate comprises an upper guide surface and a lower guide surface which are parallel to the flow direction of the smoke; the upper flow guide surface and the lower flow guide surface are arranged in a staggered manner and are connected by the inclined perforated flow guide surface; the perforation diversion surface is provided with a through hole with the diameter of 10mm, and the porosity is 20%; the plane of the perforated flow guide surface forms an included angle of 30 degrees with the flowing direction of the flue gas. The distance between the upper flow guide surface of the perforated flow guide plate at the top end of each group of perforated flow guide plates and the top of the mixed flue is 120 percent of the distance between the two adjacent perforated flow guide plates; the distance between the lower guide surface of the perforated guide plate at the bottom end of each group of perforated guide plates and the bottom of the mixed flue is 120 percent of the distance between the two adjacent perforated guide plates.
When the ozone adding device provided by the embodiment is used for treating flue gas, ozone is divided into three parts, is sprayed into the mixing flue by the three ozone adding components, and then is mixed with the flue gas flowing in the flue. At a flow rate of 5000Nm3For example, when the molar ratio of the total amount of ozone to NO is 1:1, the content of NO in the oxidized mixed gas is less than or equal to 32ppm, and the NO oxidation rate is more than or equal to 93.6%. This embodiment the air compressor machine is used for sweeping hollow toper spiral nozzle, avoids hollow toper spiral nozzle to block up.
Example 4
The embodiment provides an ozone adding device, which comprises a horizontally arranged mixing flue, 5 ozone adding assemblies and 5 groups of perforated guide plates, wherein the 5 ozone adding assemblies and the 5 groups of perforated guide plates are arranged in the mixing flue; and a group of perforated guide plates are respectively and independently arranged behind each ozone adding component.
The air inlet end of the ozone adding component is respectively and independently connected with an ozone generator and an air compressor.
The ozone adding assembly comprises an ozone gas distribution pipeline and a hollow conical spiral nozzle arranged on the ozone gas distribution pipeline, the ozone gas distribution pipeline is a distribution plate disclosed by CN 207576113U, and the arrangement direction of the hollow conical spiral nozzle is the same as the flow direction of flue gas in the mixing flue.
Each group of perforated guide plates comprises 16 perforated guide plates which are arranged in a direction perpendicular to the flowing direction of the flue gas, the 16 perforated guide plates are arranged at equal intervals, and the interval between every two adjacent perforated guide plates is 200 mm; the perforated guide plate comprises an upper guide surface and a lower guide surface which are parallel to the flow direction of the smoke; the upper flow guide surface and the lower flow guide surface are arranged in a staggered manner and are connected by the inclined perforated flow guide surface; the perforation diversion surface is provided with a through hole with the diameter of 10mm, and the porosity is 20%; the plane of the perforated flow guide surface forms an included angle of 30 degrees with the flowing direction of the flue gas. The distance between the upper flow guide surface of the perforated flow guide plate at the top end of each group of perforated flow guide plates and the top of the mixed flue is 120 percent of the distance between the two adjacent perforated flow guide plates; the distance between the lower guide surface of the perforated guide plate at the bottom end of each group of perforated guide plates and the bottom of the mixed flue is 120 percent of the distance between the two adjacent perforated guide plates.
When the ozone adding device provided by the embodiment is used for treating flue gas, ozone is divided into three parts, is sprayed into the mixing flue by the three ozone adding components, and then is mixed with the flue gas flowing in the flue. At a flow rate of 5000Nm3For example, when the molar ratio of the total amount of ozone to NO is 1:1, the content of NO in the oxidized mixed gas is less than or equal to 30ppm, and the NO oxidation rate is more than or equal to 94%. This embodiment the air compressor machine is used for sweeping hollow toper spiral nozzle, avoids hollow toper spiral nozzle to block up.
When the ozone adding device provided by the embodiment is used for treating the flue gas, although the treatment effect on NO in the mixed gas is improved to some extent, the cost is higher, and the reduction of the cost for treating the flue gas is not facilitated.
Comparative example 1
This comparative example provides an ozone is thrown and is thrown device, compares with embodiment 3, is provided with 2 ozone in the mixing flue and throws the subassembly and 2 group perforation guide plates except, all the other all with embodiment 3 the same.
When the ozone adding device provided by the comparative example is used for treating flue gas, ozone is divided into three parts, is sprayed into the mixing flue by the three ozone adding assemblies, and then is mixed with the flue gas flowing in the flue. At a flow rate of 5000Nm3For example, when the molar ratio of the total amount of ozone to NO is 1:1, the content of NO in the oxidized mixed gas is less than or equal to 45ppm, and the NO oxidation rate is more than or equal to 91%. The air compressor machine of this comparison example is used for sweeping hollow toper spiral nozzle, avoids hollow toper spiral nozzle to block up.
To sum up, the utility model discloses an interval sets up ozone and throws the feed assembly and perforate the guide plate in mixing the flue, has improved the mixed effect of ozone and flue gas to improve the utilization ratio of ozone, and the oxidation effect of flue gas.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.

Claims (10)

1. An ozone adding device is characterized by comprising a horizontally arranged mixing flue, at least three ozone adding assemblies and at least three groups of perforated guide plates, wherein the ozone adding assemblies and the perforated guide plates are arranged in the mixing flue;
the air inlet end of the ozone adding assembly is respectively and independently connected with an ozone supply device and a scavenging gas supply device;
and a group of perforated guide plates are respectively and independently arranged behind each ozone adding component.
2. The ozone dosing device as claimed in claim 1, wherein the number of the ozone dosing assemblies is 3, and the number of the groups of the perforated baffles is 3.
3. The ozone adding device according to claim 1 or 2, wherein the ozone adding assembly comprises an ozone gas distribution pipeline and an ozone nozzle arranged on the ozone gas distribution pipeline;
the setting direction of the ozone nozzle is the same as the flowing direction of the flue gas in the mixing flue.
4. The ozone dosing device as claimed in claim 3, wherein the ozone nozzle is a hollow conical spiral nozzle.
5. The ozone dosing device as claimed in claim 2, wherein each group of perforated baffles comprises 6-16 perforated baffles arranged perpendicular to the flow direction of the flue gas;
the distance between two adjacent perforated guide plates is 200-1000 mm.
6. The ozone dosing device as claimed in claim 5, wherein the perforated deflector comprises an upper deflector surface and a lower deflector surface parallel to the flow direction of the flue gas;
the upper flow guide surface and the lower flow guide surface are arranged in a staggered mode and are connected through the perforation flow guide surface which is obliquely arranged.
7. The ozone dosing device as claimed in claim 6, wherein the perforation diversion surface is provided with a through hole with a diameter of 3-10mm, and the porosity is 20-45%.
8. The ozone dosing device as claimed in claim 6 or 7, wherein the plane of the perforated diversion surface forms an angle of 15-45 ° with the flow direction of the flue gas.
9. The ozone dosing device as claimed in claim 5, wherein the distance between the upper flow guide surface of the perforated flow guide plate at the top end of each group of perforated flow guide plates and the top of the mixing flue is 20-120% of the distance between two adjacent perforated flow guide plates.
10. The ozone dosing device as claimed in claim 9, wherein the distance between the lower guide surface of the bottom perforated guide plate in each group of perforated guide plates and the bottom of the mixing flue is 20-120% of the distance between two adjacent perforated guide plates.
CN202020441836.6U 2020-03-30 2020-03-30 Ozone adding device Active CN211987944U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112717734A (en) * 2021-02-02 2021-04-30 第一拖拉机股份有限公司 Configuration structure of light oxygen clarification plant treatment module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112717734A (en) * 2021-02-02 2021-04-30 第一拖拉机股份有限公司 Configuration structure of light oxygen clarification plant treatment module

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